JP2002294899A - Soundproof movable partition, soundproof floor, soundproof fusuma, soundproof shoji or soundproof door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a soundproof movable partition, a soundproof floor, a soundproof fusuma (papered sliding door), a soundproof shoji (shoji screen), and soundproof door having a high noise insulation property by using a vibration damping material providing high damping performance. SOLUTION: This soundproof movable partition is constituted such that a damping sheet 4 composed of a resin component containing chlorine high molecular material having chlorine content of 20 to 70 wt.% of 100 pts.wt. and chlorinated paraffin having average number of carbons of 12 to 50 and having chlorine content of 30 to 65 wt.% of 50 to 300 pts.wt. is bonded on at least a part of a face member 2 and a rigid member 5 is provided on the opposite face to the sheet.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a novel structure in which a movable partition made of a surface material such as wood, light steel, or synthetic resin is provided with soundproofing. The present invention relates to a soundproof movable partition that can effectively absorb and reduce vibrations and noise generated indoors and outdoors in various buildings such as houses and office buildings, and provides a comfortable living environment.

[0002] The present invention also relates to a novel structure in which sound insulation is imparted to a floor surface material composed of a surface material such as gypsum board or wood. More specifically, the present invention relates to a vibration damping material having high vibration damping properties. By using it, it is possible to effectively absorb and reduce vibrations and noise generated on floors or in adjacent rooms inside various buildings such as houses and office buildings, and provide a comfortable living environment About the floor.

[0003] The present invention also relates to a novel structure in which a sliding door or shoji made of Japanese paper or wood is provided with soundproofing.
More specifically, by using damping materials with high damping properties, in various buildings such as houses and office buildings,
The present invention relates to a soundproof sliding door or shoji that can effectively absorb and reduce vibrations and noise generated indoors and outdoors and provide a comfortable living environment.

[0004] The present invention further relates to a novel structure in which a door made of steel, wood, or the like is provided with soundproofing. More specifically, the present invention uses a damping material having a high damping property so that it can be used for a house or office building. The present invention relates to a soundproof door that can effectively absorb and reduce vibrations and noise generated inside and outside a building in various buildings and provide a comfortable living environment.

[0005]

2. Description of the Related Art Conventionally, as a measure against sound insulation in a living environment, a method of improving sound insulation by increasing the weight of constituent members such as ceilings, beams and columns has been generally used. As a heavy material for these components, the heaviest lead (specific gravity 11300 k
g / m ³ ), asphalt mixed with iron powder, concrete and the like. However, if these materials are too heavy and are used for building materials, the building materials are likely to be structurally restricted in terms of load bearing capacity and cannot be used in large quantities in design, so that sufficient sound insulation can be exhibited. Can not. Building materials are generally desired to be less restricted in terms of design, have high sound insulation properties, and be inexpensive. However, since the above materials cannot be used in large quantities, they cannot exhibit sufficient sound insulation properties.

With respect to the soundproof partition, a partition structure has been proposed in which a gypsum board is provided with a vibration-damping member layer having a high loss coefficient such as a rubber sheet or rubber-containing asphalt on one side, and the sound-damping property is used to perform sound insulation. (Tokuko Sho 6
2-48023). However, in this structure, the ability to absorb vibration such as air noise is not high, so that a sufficient improvement in sound absorption cannot be obtained. In many cases, a large amount of damping members are used, and as a result, sound insulation is developed according to the weight rule.

[0007] With regard to the soundproof floor, the soundproofing floor that sandwiches the vibration damping layer with the base material having the protrusions and converts the sound into interfacial friction energy between the protrusions and the vibration damping layer is used. It has been proposed (see JP-A-5-118123). However, this soundproof floor is difficult to produce because of the low damping properties of the damping layer and the necessity of a substrate having a complicated shape, resulting in high cost.

As for the soundproof sliding door or the sliding door, there has been proposed a structure in which a lead sheet is attached to a sliding door and a sliding door for housing to improve the soundproofing performance (see Japanese Patent Application Laid-Open No. Sho 52-80634). However, in practice, a sufficient improvement in sound absorption cannot be obtained by using a small number of heavy sheets. If a large amount of a vibration damping member is used to increase the sound insulation, the weight of the sliding door is increased and the sliding property is deteriorated, so that it cannot be actually used. Further, since a certain amount of light is required for a shoji, a lead sheet having a high light-shielding property cannot be used.

Regarding soundproof floors, there is a proposal for a residential door in which a sound insulation sheet composed of asphalt and iron powder is attached to a wood core material to improve soundproof performance (Japanese Patent Laid-Open No. 2000-2000).
1993383). However, in this case as well, a sufficient improvement in sound absorbing properties cannot be obtained even when some heavy sheets are used. If a large amount of vibration damping members are used to increase the sound insulation, the door weight increases and the thickness becomes extremely large, and the door cannot be used in practice.

[0010]

SUMMARY OF THE INVENTION In view of the foregoing, the present invention provides a soundproof movable partition, a soundproof floor, a soundproof sliding door, a soundproof sliding door, and a high soundproofing property by using a vibration damping material exhibiting high vibration damping performance. It is an object to provide a shoji and a soundproof door.

[0011]

Means for Solving the Problems As a result of repeated studies for solving the above problems, the present inventors have found that a vibration-damping sheet comprising a specific chlorinated polymer material and a specific chlorinated paraffin has a movable partition, The present inventors have found that it is possible to provide a soundproof movable partition, a soundproof floor, a soundproof sliding door, a soundproof sliding door, and a soundproof door which provide good vibration damping properties to floors, sliding doors, sliding doors and doors and exhibit high sound insulation.

That is, according to the first aspect of the present invention, at least a part of the face material includes 100 parts by weight of a chlorine-based polymer material having a chlorine content of 20 to 70% by weight, an average carbon number of 12 to 50 and a chlorine content. 30-65% by weight chlorinated paraffin 50
A soundproof movable partition characterized in that a vibration damping sheet made of a resin composition containing up to 300 parts by weight is stuck thereon, and a rigid member is further provided on the opposite surface of the sheet.

According to a second aspect of the present invention, at least a part of the face material constituting the movable partition has a chlorine content of 20 to 70%.
100% by weight of a chlorinated polymer material having an average carbon number of 12 to 16 and a chlorine content of 30 to 65% by weight, and chlorinated paraffin having an average carbon number of 20 to 50 and a chlorine content of 30 to 65% by weight. Mixture of chlorinated paraffins 50-3
A soundproof movable partition comprising a vibration damping sheet made of a resin composition containing 100 parts by weight and a rigid member attached to the opposite surface of the sheet.

According to a third aspect of the present invention, there is provided the soundproof movable partition according to the first or second aspect, wherein a longitudinal elastic modulus of the rigid member is 1 Gpa or more.

The invention according to claim 4 is characterized in that the chlorine content is 20 to 20%.
A vibration damping sheet comprising a resin composition containing 70 parts by weight of 100 parts by weight of a chlorine-based polymer material and 50 to 300 parts by weight of chlorinated paraffin having an average carbon number of 12 to 50 and a chlorine content of 30 to 65% by weight. A soundproof floor characterized in that at least a part is attached to a floor member, and a rigid member is attached to an opposite surface of the sheet.

The invention according to claim 5 is characterized in that the chlorine content is 20 to 20%.
100 parts by weight of a chlorine-based polymer material of 70% by weight, chlorinated paraffin having an average carbon number of 12 to 16 and a chlorine content of 30 to 65% by weight, and an average carbon number of 20 to 50 and a chlorine content of 30 to 65% by weight 50 chlorinated paraffin mixtures
At least a part of a vibration damping sheet made of a resin composition containing up to 300 parts by weight is attached to a floor member, and a rigid member is attached to the opposite surface of the sheet. On the floor.

According to a sixth aspect of the present invention, there is provided the soundproof floor according to the fourth or fifth aspect, wherein the rigid member has a longitudinal elastic modulus of 1 Gpa or more.

According to a seventh aspect of the present invention, at least a part of a sliding door or a sliding screen is provided with 100 parts by weight of a chlorine-based polymer material having a chlorine content of 20 to 70% by weight, an average carbon number of 12 to 50 and a chlorine content of 30. ~ 65% by weight chlorinated paraffin 50 ~
A soundproof sliding door or a soundproof sliding door characterized in that a vibration damping sheet made of a resin composition containing 300 parts by weight is attached thereto, and a rigid member is further attached to the opposite surface of the sheet.

The invention according to claim 8 is characterized in that at least a part of the sliding door or the shoji includes 100 parts by weight of a chlorine-based polymer material having a chlorine content of 20 to 70% by weight, an average carbon number of 12 to 16 and a chlorine content of 30. A vibration damping sheet comprising a resin composition containing chlorinated paraffins of from about 65 to 65% by weight and a mixture of chlorinated paraffins having an average carbon number of from 20 to 50 and a chlorine content of from 30 to 65% by weight is 50 to 300 parts by weight. The soundproof sliding door or the soundproofing shoji is further provided with a rigid member attached to the opposite surface of the seat.

According to a ninth aspect of the present invention, there is provided the soundproof sliding door or the soundproof sliding door according to the seventh or eighth aspect, wherein the longitudinal elastic modulus of the rigid member is 1 Gpa or more.

According to a tenth aspect of the present invention, at least a part of the door has 100 parts by weight of a chlorine-based polymer material having a chlorine content of 20 to 70% by weight, an average carbon number of 12 to 50 and a chlorine content of 30 to 65. 50 to 300% by weight of chlorinated paraffin
A soundproof door characterized in that a vibration damping sheet made of a resin composition containing parts by weight is stuck thereon, and a rigid member is further provided on the opposite surface of the sheet.

The invention according to claim 11 is that at least a part of the door has 100 parts by weight of a chlorine-based polymer material having a chlorine content of 20 to 70% by weight, an average carbon number of 12 to 16 and a chlorine content of 30 to 65%. A vibration damping sheet made of a resin composition containing 50% to 300% by weight of a mixture of chlorinated paraffins having an average carbon number of 20 to 50 and a chlorine content of 30 to 65% by weight is attached. The soundproof door further comprises a rigid member attached to the opposite surface of the seat.

According to a twelfth aspect of the present invention, the rigid member has a longitudinal elastic modulus of 1 Gpa or more.
Or a soundproof door according to item 11.

I) First, the soundproof movable partition according to the present invention will be described.

In the resin composition constituting the vibration damping sheet for imparting a soundproofing effect by the vibration damping property to the movable partition, one of the components, a chlorine polymer material, is a vinyl chloride resin, a vinylidene chloride resin, It may be a vinyl-vinylidene chloride copolymer, a blend of a vinyl chloride resin and a vinylidene chloride resin, a chlorinated polyethylene resin, a chlorinated vinyl chloride resin, a vinyl chloride-vinyl acetate copolymer, or the like. The chlorine content of the chlorine-based polymer material is 20 to 70% by weight. If the chlorine content is less than 20% by weight, the vibration damping performance is reduced, and if it exceeds 70% by weight, the resin becomes hard and molding becomes difficult.

The chlorine-based polymer material contains a substituent other than chlorine, for example, a cyano group, a hydroxyl group, an acetyl group, a methyl group, an ethyl group, bromine, fluorine and the like in an amount of 5% by weight or less. Is also good. If the proportion of the substituent other than chlorine exceeds 5% by weight, the vibration damping performance tends to be reduced. Preferred chlorine-based polymer materials are amorphous materials having a low storage modulus and therefore a large loss tangent value.

When the resin is hard even if the chlorine content of the chlorine-based polymer material is 70% by weight or less, a phthalic acid-based plasticizer represented by dioctyl phthalate (DOP) or diisononyl phthalate (DINP) It is preferable to mix an appropriate amount of the general plasticizer for polyvinyl chloride resin into the resin.

Further, in a transparent movable partition for which daylighting property is required, it is desired that the above resin composition is transparent. In this case, it is preferable to add about 1 to 20 parts by weight of a rosin ester to 100 parts by weight of the resin composition.

The chlorinated paraffin which is another component of the vibration damping sheet is chlorinated paraffin having 12 to 50 carbon atoms and a chlorine content of 30 to 65% by weight, or chlorinated paraffin having an average carbon number of 12 to 16 and chlorine. It is a mixture of chlorinated paraffin having a content of 30 to 65% by weight and chlorinated paraffin having an average carbon number of 20 to 50 and a chlorine content of 30 to 65% by weight. The ratio of the two types of chlorinated paraffins constituting this mixture may be arbitrary, but in order to exhibit high damping properties, it is better to increase the ratio of the former. By using such a mixture, the damping peak can be optimized in the temperature range where it is actually used.

The amount of the chlorinated paraffin (the total amount in the case of a mixture) is 50 to 300 parts by weight based on 100 parts by weight of the chlorine-based polymer material. If the amount is less than 50 parts by weight, sufficient vibration damping properties will not be exhibited, and if the amount is more than 300 parts by weight, mechanical strength tends to decrease and shape retention tends to be difficult.

The molecular chain structure of the chlorinated paraffin may be branched, but linear chlorinated paraffin is preferred. The closer the chlorine content of the chlorinated paraffin is to the chlorine content of the chlorine-based polymer material, the better the compatibility and the better.

When the vibration damping sheet requires hardness, a filler may be mixed with the sheet. Examples of fillers include, in addition to metal powders, general-purpose inorganic materials such as mica, kaolin, montmorillonite, silica, calcium carbonate, aluminum hydroxide, magnesium hydroxide, magnesium phosphate, carbon crystals such as graphite, vermiculite, and the like. You.
The mixing ratio of the filler to 100 parts by weight of the vibration damping sheet is as follows:
Preferably it is 0 to 100 parts by weight. If the compounding ratio of the filler is too large, the characteristics of the inorganic material are superior to the characteristics of the resin, so that the damping performance may be reduced.

The thickness of the damping sheet is not particularly limited, but is preferably about 100 μm to 10 mm. As the thickness of the sheet increases, the vibration absorbing performance increases. However, if the thickness increases, the material cost increases and the weight increases, so this range is preferable. If the thickness is too thin, the vibration absorption is reduced and the sound insulation is reduced.

The movable partition to which the vibration damping sheet is attached is generally composed of a pair of face members facing each other and a plurality of face material supports disposed between the face members and fixing the face materials. However, it may be composed of only a face material, that is, a single plate. The movable partition may also be solid or hollow. The face material of the movable partition may be flat or curved, or may have a more complicated shape.

The material of the face material of the movable partition may be any material as long as it has a certain degree of rigidity and exhibits a function as a housing structural member. Examples of the material to be used include, in addition to a thin steel plate called light steel, aluminum, and the like, lead, copper, stainless steel, and other metal plates, etc., if permitted by weight. In addition, a plate material made of an inorganic material such as concrete, gypsum board, marble, slate plate, sand plate, and glass plate may be used. Further, polycarbonate (PC),
Bisphenol A-modified resin such as polysulfone (PSf), acrylic resin represented by polymethyl methacrylate (PMMA), chlorine-based resin such as polyvinyl chloride (PVC), chlorinated polyvinyl chloride (CPVC), acrylonitrile-butadiene-styrene Ester resins such as copolymer (ABS), polyethylene terephthalate (PET) and polyethylene naphthalate (PEN), polyolefin resins such as polystyrene (PS), polyethylene (PE) and polypropylene (PP), melamine resins, and imide resins Amide resins such as nylon 6 and nylon 66,
A plate material or a composite plate made of an aramid resin represented by Kepler 29, a urethane resin, a thermosetting resin such as dicyclopentadiene or bakelite, or another resin may be used. Any of these resin plate materials may be foamed. The face material may also be a cellulosic material such as wood, paper, or particle board, or chitin chitosan, which is a modification of a natural product. These synthetic or natural materials may be reinforced with glass fibers, carbon fibers, liquid crystals and the like. Light steel, aluminum, particle board, plastic plate, and the like are more preferable in terms of price, availability, light weight, rigidity, and the like.

The rigid member bonded to the opposite surface of the vibration damping sheet preferably has a longitudinal elastic modulus of 1 GPa or more.
The material is not particularly limited. This may be a plate made of lead, iron, steel, copper, aluminum, stainless steel or other metal, or a plate made of an inorganic material such as concrete, gypsum board, marble, slate plate, sand plate, glass plate, etc. Further, bisphenol A-modified resins such as polycarbonate (PC) and polysulfone (PSf), acrylic resins represented by polymethyl methacrylate (PMMA), polyvinyl chloride (PVC), chlorinated polyvinyl chloride (CPVC), and the like. Chlorine resin, acrylonitrile-
Ester resins such as butadiene-styrene copolymer (ABS), polyethylene terephthalate (PET) and polyethylene naphthalate (PEN), and polystyrene (P
S), polyethylene (PE), polypropylene (PP)
Such as polyolefin resins, melamine resins, imide resins, amide resins such as nylon 6 and nylon 66, aramid resins represented by Kepler 29, urethane resins, thermosetting resins such as dicyclopentadiene and bakelite,
A plate material or a composite plate made of another resin may be used. Any of these resin plate materials may be foamed. The rigid member may also be a cellulosic material such as wood or paper, or chitin chitosan which is a modification of a natural product. These synthetic or natural materials may be reinforced with glass fibers, carbon fibers, liquid crystals and the like. Steel and aluminum are preferred from the viewpoints of price, availability, and rigidity even when the thickness is small. When daylighting is desired, a transparent plastic plate, a glass plate, paper or the like is preferable. The surface of the rigid member may be sprayed or baked, or may be anodized or plated if it is metallic. The material of the rigid member may be soundproof, that is, the same as or different from that of the movable partition.

The position where the vibration damping sheet is attached to the surface material of the movable partition may be on both the front and back surfaces of the surface material, either one of the surfaces, or may be a part of the surface. The movable partition, as described above, may be composed of a pair of facing surface materials and a plurality of surface material supports disposed between the surface materials and fixing the surface materials. It may be something. The damping sheet may be attached to any surface of the face material, and the attachment may be on the entire surface of the face material or on a part thereof. A rigid member is attached to the opposite surface of the vibration damping sheet attached to the face material. The position of the vibration damping sheet may be between the face material and the face material support. In this case, since the face material support works as a substitute for the rigid member, it is not necessary to provide a separate rigid member.

The bonding of the rigid member and the vibration damping sheet may be performed by a press, or they may be bonded using two narrow pressure rolls. Further, a laminate of the vibration damping sheet and the rigid member may be formed by two-layer extrusion, or a three-layer sheet composed of the vibration damping sheet and the two rigid members sandwiching the vibration damping sheet may be extruded. The vibration damping sheet and the rigid member may be sequentially laminated at the production stage of the movable partition without producing the laminate in advance. Since the damping sheet itself has tackiness, a rigid member may be directly laminated on the damping sheet, or may be laminated using a double-sided tape or an adhesive.

Next, a method for producing a vibration damping sheet according to the present invention will be described.

The vibration damping sheet of the present invention is obtained by shaping the resin composition for a sheet into a sheet. Examples of the molding method include an extrusion method, a solvent casting method, a method using a kneader and a press, calender molding, inflation molding, and blow molding. When kneading the sheet and the composition separately, the kneader may be a roll kneader, a kneader, or an extruder.

When the sheet is formed by extrusion, the preferable forming temperature is [melting temperature of chlorine-based polymer material / filler system−
40 ° C] to [melting temperature + 40 ° C]. However, when the decomposition temperature is low, or when the viscosity of the chlorine-based polymer material is originally low, it is not always necessary to be within this temperature range. The extruder may be a single-screw extruder, but a twin-screw extruder in the same direction or a different direction is preferable in order to improve kneading properties. Although the screw form may be a full flight, mixing is preferable because kneading properties are further improved. In addition, in order to improve the compatibility, it is preferable to finely adjust the screw rotation speed, the cut shape of the screw mixing portion, the control temperature, and the like. Screw length and diameter ratio (L /
D) is optimized according to the combination of materials.

The die is preferably a T die or an L die, but may be a circular die when the T die or the L die cannot be used due to an increase in pressure loss or the like. Further, calender molding in which a bar-shaped extrudate is narrowed by a narrow pressure roll provided in a take-off machine may be used.

The take-up machine may be a narrow pressure roll such as a calender, a belt-belt forming machine for narrowing the pressure between belts, or a belt / roll take-up machine. The take-off temperature is preferably set such that the temperature is gradually lowered from the upstream side to the glass transition point or lower, or to room temperature when the glass transition point is lower than room temperature.

When the vibration damping sheet is extruded by itself, the first
Since the sheet may stick to the roll and become unremovable, the first roll may be transported in advance by holding release paper or the like, and the damping sheet may be transported thereon. Further, if release paper is laminated not only on one side but also on both sides of the vibration damping sheet, the post-process is easy. Further, it is desirable that the release property of the release paper is changed between the front and back, because the release paper on the side where the release property is light can be easily peeled off in the release paper release step.

In place of the release paper, the damping sheet is directly laminated on a rigid member such as a thin steel plate, or the movable partition is conveyed so that the movable partition can be bonded to the surface of the damping sheet opposite to the rigid member. Is also good. By doing so, man-hours and members can be reduced, and costs can be reduced.

When extruding a laminated body of a vibration damping sheet and a rigid member in two layers, or extruding a three-layer sheet composed of a vibration damping sheet and two layers of rigid members sandwiching the same, It is preferable to make the temperature of the rigid member as close as possible. In that case, two or three extruders are required, but one mold may be used as a mold.

When the vibration damping sheet is narrowed by using a calender, if the vibration damping sheet becomes thin, it may adhere to a narrow pressure roll and cannot be formed into a sheet. In such a case, the roll may be subjected to a fluorine coating treatment or the like to increase the releasability. For example, release paper or a protection film made of polyethylene may be laminated on at least one surface of the sheet at almost the same time as the extrusion to enhance the releasability. A release sheet may be held in each roll, and a sandwich body having a sheet as a core may be taken out. Further, in order to squeeze the material well, the sheet can be formed into a predetermined thickness with high accuracy by inserting it into a calender while heating it with a feeding device such as a feeder ruder and squeezing the material. Instead of the release paper, a rigid material such as a thin steel plate may be used to hold the roll.

When the sheet is formed by a solvent casting method,
As a coating machine, a die coater or a comma coater is preferable in order to improve the thickness accuracy. The solution may be applied on an endless belt using a steel belt, or may be applied on another plastic film or sheet insoluble in the solvent used and then dried. It is also possible to use a rigid member as a base material for coating, and to stick this as it is to the vibration damping sheet. However, in that case, it is necessary that a rigid member such as a thin steel plate does not dissolve in the solvent.

It is desirable that the boiling point of the solvent be lower than the melting point of the chlorine-based polymer material in order to realize sufficient drying. For example, if the chlorine-based polymer material is chlorinated polyethylene having a chlorine content of 40% by weight (melting point: 90 to 100 ° C.), the solvent is a low-boiling solvent such as THF (tetrahydrofuran) (boiling point: 6).
6 ° C.). There is no particular limitation as long as it dissolves the filler in the chlorine-based polymer material and the resin composition as well as THF.

After coating, the substrate holding the coating layer is continuously or intermittently sent to a drying furnace, and after drying, the formed sheet is peeled off. The solvent content when peeling the sheet from the substrate is preferably 3 to 20%. Since the volatilization of the solvent from the surface side of the substrate holding the coating layer is insufficient, drying the solvent to a solvent content of 3% or less takes a long time and is not efficient. On the other hand, if the solvent content is 20% or more, the viscosity of the resin layer is low and the sheet cannot be stably peeled, which is not preferable. It is preferable that the sheet after being peeled off from the substrate is further dried on both sides in a drying oven to evaporate the solvent almost completely. When the substrate is used as a rigid member, the solvent is sufficiently volatilized in a drying oven or curing without peeling the sheet.

Ii) Next, the soundproof floor according to the present invention will be described.

The vibration-damping sheet used for the sound-insulating floor according to the present invention, which is made of a resin composition containing a chlorinated polymer material and chlorinated paraffin, may be the same as the sound-insulating movable partition.

The floor member to which the vibration damping sheet is attached is
What is necessary is to have a certain degree of rigidity and to express the function of dividing the two spaces, the ceiling space below the floor and the living room (upstairs).

The position where the vibration damping sheet is stuck to the floor member is preferably the floor surface material. The floor surface material and the floor joist supporting the floor surface material from below can be used. Between.

The floor material may be made of wood, gypsum board, or the like, or may be lead, iron, steel, copper, aluminum, stainless steel, or another metal plate. In addition, a plate material made of an inorganic material such as concrete, gypsum board, marble, slate plate, sand plate, and glass plate may be used. Further, polycarbonate (PC),
Bisphenol A-modified resin such as polysulfone (PSf), acrylic resin represented by polymethyl methacrylate (PMMA), chlorine-based resin such as polyvinyl chloride (PVC), chlorinated polyvinyl chloride (CPVC), acrylonitrile-butadiene-styrene Ester resins such as copolymer (ABS), polyethylene terephthalate (PET) and polyethylene naphthalate (PEN), polyolefin resins such as polystyrene (PS), polyethylene (PE) and polypropylene (PP), melamine resins, and imide resins Amide resins such as nylon 6 and nylon 66,
A plate material or a composite plate made of an aramid resin represented by Kepler 29, a urethane resin, a thermosetting resin such as dicyclopentadiene or bakelite, or another resin may be used. Any of these resin plate materials may be foamed. The face material may also be a cellulosic material such as wood, paper, or particle board, or chitin chitosan, which is a modification of a natural product. In addition, those resins may be reinforced with glass fiber, carbon fiber, liquid crystal, or the like. Wood, gypsum board and the like are more preferable in terms of price and availability.

The rigid member to be bonded to the opposite surface of the vibration damping sheet, the method of manufacturing the vibration damping sheet, and other points may be the same as those of the soundproof movable partition.

Iii) Next, the soundproof sliding door or the soundproof shoji according to the present invention will be described.

The damping sheet made of the resin composition containing a chlorinated polymer material and chlorinated paraffin used for the soundproof sliding door or the soundproofing screen according to the present invention may be the same as the soundproof movable partition.

The surface material of the sliding door and the sliding door to which the above-mentioned vibration damping sheet is bonded may be any material as long as it has a certain degree of rigidity and exhibits a function as a structural member of a house. Typical materials used include plain paper, Japanese paper, shoji paper, and the like. Lead, iron, steel, copper, aluminum, stainless steel, and other metal plates can also be used. In this case, the surface is made to look like a normal sliding door or the like by sticking Japanese paper or the like to the surface with relatively light weight. Also, concrete and plasterboard, marble,
A plate material made of an inorganic material such as a slate plate, a sand plate, and a glass plate may be used. Further, a bisphenol A-modified resin such as polycarbonate (PC) and polysulfone (PSf), and an acrylic resin represented by polymethyl methacrylate (PMMA); Chlorine resins such as polyvinyl chloride (PVC) and chlorinated polyvinyl chloride (CPVC); acrylonitrile-butadiene-styrene copolymer (ABS); ester resins such as polyethylene terephthalate (PET) and polyethylene naphthalate (PEN) , Polystyrene (PS), polyethylene (PE), polypropylene (P
P) and the like, melamine resins, imide resins, amide resins such as nylon 6 and nylon 66, aramid resins represented by Kepler 29, urethane resins, thermosetting resins such as dicyclopentadiene and bakelite, and others. It may be a plate material or a composite plate made of resin. Any of these resin plate materials may be foamed. The face material may also be a cellulosic material such as wood, paper, or particle board, or chitin chitosan, which is a modification of a natural product. In addition, those resins may be reinforced with glass fiber, carbon fiber, liquid crystal, or the like. Paper such as plain paper, Japanese paper, shoji paper, or a plastic plate having a certain level of daylighting properties is more preferable in terms of price, availability, and slidability.

The fusuma and the shoji are generally composed of a pair of face members facing each other and a plurality of face material supports disposed between the face materials and fixing the face materials. That is, it may be a single plate. The fusuma and shoji may also be solid or hollow. The surface material of the sliding door and the sliding door may be flat or curved, or may have a more complicated shape.

The position where the vibration damping sheet is attached to the surface material of the fusuma or shoji may be on both sides of the surface material, on either one of the surfaces or on a part of the surface. The movable partition, as described above, may be composed of a pair of facing surface materials and a plurality of surface material supports disposed between the surface materials and fixing the surface materials. It may be something. The damping sheet may be attached to any surface of the face material, and the attachment may be on the entire surface of the face material or on a part thereof. A rigid member is attached to the opposite surface of the vibration damping sheet attached to the face material. The position of the vibration damping sheet may be between the face material and the face material support. In this case, since the face material support works as a substitute for the rigid member, it is not necessary to provide a separate rigid member.

The rigid member to be bonded to the opposite surface of the damping sheet, the method of manufacturing the damping sheet, and other points may be the same as those of the soundproof movable partition.

In the method of manufacturing a vibration damping sheet, in the extrusion method using release paper, instead of the release paper, the vibration damping sheet is directly attached to the surface material of the sliding door or the sliding door made of shoji paper or Japanese paper, or further subjected to damping. A rigid member such as a thin steel plate or a plastic sheet may be provided on the opposite side of the vibration sheet. By doing so, man-hours and members can be reduced, and costs can be reduced.

In calendering, the roll may be embraced not by release paper, but by sliding paper such as shoji paper or Japanese paper, or face material of shoji, and rigidity such as thin steel sheet or plastic sheet may be provided on the opposite side of the vibration damping sheet. A member may be provided.

Iv) Next, the soundproof door according to the present invention will be described.

The vibration damping sheet used for the soundproof door according to the present invention and made of a resin composition containing a chlorine-based polymer material and chlorinated paraffin may be the same as the soundproof movable partition.

The surface material of the door to which the above-mentioned vibration damping sheet is bonded may be any material as long as it has a certain degree of rigidity and exhibits a function as a structural member of a house. The material used may be wood, steel, or the like, or may be lead, steel, copper, aluminum, stainless steel, or another metal plate. Further, a plate material made of an inorganic material such as concrete, gypsum board, marble, slate plate, sand plate, glass plate, etc. may be used. Further, bisphenol A-modified resin such as polycarbonate (PC) and polysulfone (PSf), polymethyl methacrylate ( PMMA)
Acrylic resin, polyvinyl chloride (PV)
C), chlorinated resins such as chlorinated polyvinyl chloride (CPVC), acrylonitrile-butadiene-styrene copolymer (ABS), ester resins such as polyethylene terephthalate (PET) and polyethylene naphthalate (PEN), and polystyrene (PS). ), Polyethylene (PE),
Polyolefin resins such as polypropylene (PP), melamine resins, imide resins, amide resins such as nylon 6 and nylon 66, aramid resins represented by Kepler 29, urethane resins, thermosetting resins such as dicyclopentadiene and bakelite; A plate material or a composite plate made of another resin may be used. Any of these resin plate materials may be foamed. The face material may also be a cellulosic material such as wood, paper, or particle board, or chitin chitosan, which is a modification of a natural product. In addition, those resins may be reinforced with glass fiber, carbon fiber, liquid crystal, or the like. In terms of price and availability,
Wood and steel are more preferred.

The door is generally composed of a pair of face members facing each other and a plurality of face material supports disposed between the face materials and fixing the face materials. It may be a single plate. The door may also be solid or hollow. The face material of the door may be flat or curved, or may have a more complicated shape.

The position where the vibration damping sheet is attached to the door surface material is as follows.
The front and back surfaces of the face material may be used, either one of them may be used, or a part of the surface may be used. The movable partition, as described above, may be composed of a pair of facing surface materials and a plurality of surface material supports disposed between the surface materials and fixing the surface materials. It may be something. The damping sheet may be attached to any surface of the face material, and the attachment may be on the entire surface of the face material or on a part thereof. A rigid member is attached to the opposite surface of the vibration damping sheet attached to the face material. The position of the vibration damping sheet may be between the face material and the face material support. In this case, since the face material support works as a substitute for the rigid member, it is not necessary to provide a separate rigid member.

The rigid member to be bonded to the opposite surface of the damping sheet, the method of manufacturing the damping sheet, and other points may be the same as those of the soundproof movable partition.

[0071]

[Action] The soundproof movable partition, soundproof floor, soundproof sliding door of the present invention,
According to the soundproof sash and the soundproof door, the vibration damping sheet comprises 100 parts by weight of a chlorine-based polymer material having a chlorine content of 20 to 70% by weight, an average carbon number of 12 to 50 and a chlorine content of 30 to 65.
% By weight of chlorinated paraffin or average carbon number of 12 to
A chlorinated paraffin having a chlorine content of 16 and a chlorine content of 30 to 65% by weight and an average carbon number of 20 to 50 and a chlorine content of 30 to 6
Since the resin composition contains 50 to 300 parts by weight of a mixture of 5% by weight of a chlorinated paraffin, it has remarkably high vibration damping properties and excellent transparency. Therefore, by attaching this to a movable partition, a floor, a sliding door, a sliding door, or a door, and further providing a rigid member on the opposite surface, a soundproof movable partition, a soundproof floor, a soundproof sliding door, a soundproof sliding door, or the like, which exhibits high sound insulation. A soundproof door is obtained.

The mechanism by which the composite material comprising the chlorine-based polymer material and the chlorinated paraffin exhibits high damping performance is not completely clear, but a heavy atom or molecule is bonded to the side chain of the molecular chain. Thus, when the molecular chain vibrates in response to the vibration, it is considered that a large mass generates large kinetic energy. In other words, the conversion efficiency of vibration energy to heat energy is high.

Further, in the present invention, the damping sheet is sandwiched between the movable partition, the floor, the sliding door, the sliding door or the door and the rigid member, so that the damping sheet is fixed with a hard material from both sides thereof and slips inside the sheet. (Shear) is generated, and the vibrational energy is converted into thermal energy by the shear heat generation. If there is no constraining layer such as a rigid member, no shear is generated, only the vibration damping sheet is stretched, and no shear heat is generated, so that the vibration absorbing function, that is, the vibration damping function is not exhibited.

[0074]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be specifically described based on embodiments.

Example 1 Chlorinated polyethylene ("Eraslen 40" manufactured by Showa Denko KK)
90 parts by weight of 100 parts by weight of “2NA”, chlorine content of 40% by weight) and 200 parts by weight of chlorinated paraffin (“E500”, manufactured by Asahi Denka Co., Ltd., chlorine content of 50% by weight, average carbon number: 14).
Kneaded with a roll kneader at 120 ° C.
The sheet was formed into a sheet by a press at ℃. Thus, thickness 0.3
mm was obtained.

The whole thickness of one side of this vibration damping sheet is 0.2 m.
A rigid member made of m steel sheets (manufactured by Kobe Steel) was laminated.

As shown in FIG. 8, a movable partition (Matsushita Electric Works, "Folding Door Type Artoku R Series") (1) is composed of a pair of wooden facing members (2) facing each other and a space between the facing wooden facing members (2). And a plurality of face material supports (3), ie, braids, which are arranged over the base material and fix the face material. In FIG. 1, a pair of face members (2) is removed from a movable partition (1), and a laminated body composed of the vibration damping sheet (4) and a rigid member (5) is provided on a portion of each inner surface that is not in contact with a face member support. Was attached on the damping sheet side. Thereafter, the pair of face materials (2) and the plurality of face material supports (3) were assembled in the original state, thereby producing a soundproof movable partition.

Example 2 Chlorinated polyethylene (Eraslen 40 manufactured by Showa Denko KK)
2NA ", 100 parts by weight of chlorine content 40% by weight), 100 parts by weight of chlorinated paraffin (E500, manufactured by Asahi Denka Co., Ltd., 50% by weight of chlorine), and 100 parts by weight of chlorinated paraffin (manufactured by Ajinomoto Fine Techno Co., Ltd.," Empara 70 ", chlorine content 7
0% by weight) and 100 parts by weight with a roll kneader, and the obtained kneaded material is pressed at 120 ° C. to have a thickness of 0.3 mm.
Sheet was obtained.

A soundproof movable partition was produced in the same manner as in Example 1 except that this sheet was used as a vibration damping sheet (4).

Comparative Example 1 As shown in FIG. 8, a movable partition (Folding Door Type Artoku R Series, manufactured by Matsushita Electric Works) (1) prepared in Example 1 was laminated on a vibration-damping sheet and a rigid member. This was directly used for sound insulation measurement without sticking.

Comparative Example 2 In FIG. 9, except that a 3 mm-thick lead sheet ("Soft Calm AP-1" manufactured by Toho Zinc Co., Ltd.) (6) was used instead of the laminated body composed of the vibration damping sheet and the rigid member. A soundproof movable partition was produced in the same manner as in Example 1.

Performance Evaluation Test The soundproof performance of the soundproof movable partitions prepared in Examples 1 and 2 and Comparative Examples 1 and 2 was evaluated by the following method.

The soundproof movable partition is JIS-A1416.
(1974). The face material was not fixed directly to the wall of the reverberation room, but was filled with clay and fixed. The sound pressure level of the sound source is 110 dB (45 dB background noise).
B), and all-pass pink noise was used using a noise generator (manufactured by RION, model “SF-05”). For the measurement of the sound pressure level, an octave band precision sound level meter (model “NA-29” manufactured by RION) was used. First, the sound pressure level on the sound source side was measured, and then the sound pressure level on the transmission side was measured. The sound pressure level difference from the sound source was determined by the average value (all pass) in all frequency ranges.

Table 1 summarizes the results of these measurements.

[0085]

[Table 1]

When no damping sheet is used (Comparative Example 1)
Those having improved sound insulation by 5 dB or more as compared with are considered to have good sound insulation.

As is clear from Table 1, the soundproof movable partitions prepared in the examples all show good sound insulation.

Example 3 Chlorinated polyethylene ("Eraslen 40" manufactured by Showa Denko KK)
90 parts by weight of 100 parts by weight of “2NA”, chlorine content of 40% by weight) and 200 parts by weight of chlorinated paraffin (“E500”, manufactured by Asahi Denka Co., Ltd., chlorine content of 50% by weight, average carbon number: 14).
Kneaded with a roll kneader at 120 ° C.
The sheet was formed into a sheet by a press at ℃. Thus, thickness 0.3
mm was obtained.

Next, in FIG. 2 and FIG. 3, the vibration damping sheet is provided on the entire upper surface of a plywood floor surface material (11) of a 6-tatami room on the second floor of an actual house (“Senwa” manufactured by Sekisui Chemical Co., Ltd.). (14)
A rigid member (1 made of a 0.4 mm thick steel plate (manufactured by Kobe Steel)) is applied over the entire upper surface of the damping sheet (14).
5) was pasted. Thus, a soundproof floor was produced. In FIG.
(16) is a floor joist supporting the floor surface material (11) from below, (17) is a floor beam supporting the floor joist (16) from below, (18) is a roof beam below it, (1)
9) is the ceiling below.

Example 4 In FIG. 4, the vibration damping sheet (14) prepared in the same manner as in Example 3 was stuck on the entire lower surface of the floor surface material (11), and the lower surface of the vibration damping sheet (14) was further removed. A rigid member (15) made of a 0.4 mm-thick steel plate (manufactured by Kobe Steel) was attached to the entire surface. A floor joist (16) for supporting the rigid member (15) was provided under the rigid member (15). Except for the above, a soundproof floor was produced in the same manner as in Example 3. The fixing of the floor surface material (11) and the floor joist (16) was performed by driving nails at intervals of 15 cm.

Comparative Example 3 Acrylonitrile having a thickness of 5 mm was used instead of the vibration damping sheet.
Other than using butadiene rubber sheet (manufactured by Togawa Rubber Co.),
A soundproof floor was produced in the same manner as in Example 3. Performance evaluation test For the soundproof floors produced in Examples 3 to 4 and Comparative example 3,
The sound insulation performance was evaluated by the following method.

In FIG. 2, a measurement sound was generated from a speaker (20) in a room on the second floor having a soundproof floor.

The sound pressure level of the sound source was set to 110 dB (45 dB for background noise), and an all-pass pink noise was used using a noise generator (model “SF-05” manufactured by RION). For measuring the sound pressure level, an octave band precision sound level meter (manufactured by RION, model “NA-2”
9 ") was used. The measuring instrument (20a) was installed in the room below the speaker installation room. First, the sound pressure level on the sound source side was measured, and then the sound pressure level on the transmission side was measured as an evaluation index. The evaluation was obtained by the arithmetic mean of the sound pressure level differences of the octave band center frequencies from 63 Hz to 4 kHz.

Table 2 summarizes the results of these measurements.

[0095]

[Table 2]

Acrylonitrile instead of the vibration damping sheet
A sound insulating property that is improved by 5 dB or more as compared with the case where a butadiene rubber sheet is used (Comparative Example 3) is regarded as good sound insulating property.

As is clear from Table 2, the soundproof floors manufactured in the examples all show good sound insulation.

Example 5 Chlorinated polyethylene ("Eraslen 40" manufactured by Showa Denko KK)
90 parts by weight of 100 parts by weight of “2NA”, chlorine content of 40% by weight) and 200 parts by weight of chlorinated paraffin (“E500”, manufactured by Asahi Denka Co., Ltd., chlorine content of 50% by weight, average carbon number: 14).
Kneaded with a roll kneader at 120 ° C.
The sheet was formed into a sheet by a press at ℃. Thus, thickness 0.3
mm was obtained.

The vibration damping sheet has a thickness of 0.2 m on one entire surface.
m of rigid members made of steel plate (manufactured by Kobe Steel)
A laminate including the vibration damping sheet and the rigid member was obtained.

Wado Fusuma (Oseki, manufactured by Around Tatami Shoten) (21)
As shown in FIG. 10, a pair of opposed wooden skeletons (22)
And, a plurality of face material supports (23) or braids arranged between these skeletons and fixing the skeleton, and a sticker (26) provided on each outer surface of the skeleton (22), Furthermore, it consists of an upper sticking (27) provided on the outer surface thereof, that is, sliding paper. In FIG. 5, the pair of bone restraints (22) and the plurality of face material supports (23) are removed, and the vibration damping sheet (2) is attached to a portion of the inner surface of the bone restraint (22) that does not contact the face material support.
A laminate composed of 4) and the rigid member (25) was attached on the vibration damping sheet side. Then, a pair of osteotomy (22) and a plurality of face material supports (23)
Was assembled in the original condition to produce a soundproof sliding door.

Example 6 Chlorinated polyethylene (Eraslen 40 manufactured by Showa Denko KK)
100 parts by weight of chlorinated paraffin (E500, manufactured by Asahi Denka Co., 50% by weight of chlorine) and 100 parts by weight of chlorinated paraffin (Toyo Parax 270, manufactured by Tosoh Corporation) , A chlorine content of 70% by weight and an average carbon number of 12) of 100 parts by weight were kneaded at 90 ° C. by a roll kneader, and the obtained kneaded product was pressed at 120 ° C. to obtain a sheet having a thickness of 0.3 mm. Was.

A soundproof sliding door was manufactured in the same manner as in Example 5 except that this sheet was used as a vibration damping sheet (24).

Comparative Example 4 As shown in FIG. 10, a laminated body composed of a vibration damping sheet and a rigid member was attached to the wafusuma (“Ozeki” manufactured by Chun An Tatami Shoten Co., Ltd.) (21) prepared in Example 5. This was directly used for sound insulation measurement without being performed.

Comparative Example 5 As shown in FIG. 11, a 3 mm-thick lead sheet (manufactured by Toho Zinc Co., Ltd.) was used instead of the laminated body composed of the vibration damping sheet and the rigid member.
A soundproof sliding door was produced in the same manner as in Example 5, except that "Soft Calm AP-1") (30) was used.

Example 7 The vibration damping sheet prepared in Example 5 had a thickness of 0.1 mm on one entire surface.
A rigid member made of a 2 mm polycarbonate plate (prototype of Sekisui Chemical Co., Ltd., raw material: “K-1300” manufactured by Teijin Chemicals Limited) was laminated. On the other side, shoji paper (Lytec, "shoji paper") was attached. Thus, a three-layer laminate of the vibration damping sheet, the rigid member, and the shoji paper was obtained.

Washi shoji ("Ozeki", manufactured by Around Tatami Shoten) (28)
As shown in FIG. 12, a pair of facing shoji paper (29)
And a plurality of face material supports (23), that is, braids, which are arranged between the shoji papers.

In FIG. 6, the shoji paper (29) is peeled from the Japanese shoji (shoji), and the damping sheet (24), the rigid member (25) and the shoji paper (29) are removed.
The layer laminate was provided on both sides of the wooden facing support (23) to produce a soundproof shoji.

Example 8 A soundproof sash was produced in the same manner as in Example 7, except that the sheet produced in Example 6 was used as a vibration damping sheet (24).

Comparative Example 6 As shown in FIG. 12, the Japanese paper shoji (“Ozeki”, manufactured by Chun An Tatami Shoten Co., Ltd.) prepared in Example 7 (21) was not provided with a laminate made of a vibration damping sheet and a rigid member. This was directly subjected to sound insulation measurement.

Comparative Example 7 As shown in FIG. 13, a 3-mm thick lead sheet ("Soft Calm AP-1", manufactured by Toho Zinc Co.) (30) was replaced with a shoji instead of the three-layer laminate prepared in Example 7. A soundproof sash was produced in the same manner as in Example 7, except that a two-layer laminate of paper (29) was used.

Performance Evaluation Test The soundproof sliding doors and the soundproof sashes prepared in Examples 5 to 8 and Comparative Examples 4 to 7 were evaluated for sound insulation performance by the following method.

[0112] The soundproof sliding door and the soundproof shoji are JIS-A141.
6 (1974). The face material was not fixed directly to the wall of the reverberation room, but was filled with clay and fixed. The sound pressure level of the sound source is 110 dB (45
dB), and all-pass pink noise was used using a noise generator (manufactured by RION, model “SF-05”). For the measurement of the sound pressure level, an octave band precision sound level meter (model “NA-29” manufactured by RION) was used. First, measure the sound pressure level on the sound source side, and then
The sound pressure level on the transmission side was measured. The sound pressure level difference from the sound source was determined by the average value (all pass) in all frequency ranges.

Light was applied to the soundproof sash made in Examples 7 to 8 and Comparative Examples 6 to 7. The lighting was visually observed.

Tables 3 and 4 collectively show the results of these measurements.

[0115]

[Table 3]

[0116]

[Table 4]

When the sound insulation is improved by 5 dB or more as compared with the case where the vibration damping sheet is not used (Comparative Examples 4 and 6), the sound insulation is excellent. A person with good lighting was marked with "O", and a person with poor lighting was marked with "X".

As is clear from Tables 3 and 4, both the soundproof sliding doors and the soundproofing screens manufactured in the examples show good sound insulation, and the soundproofing screens manufactured in the example both show good light-collecting properties. Things.

Example 9 Chlorinated polyethylene (Eraslen 40 manufactured by Showa Denko KK)
90 parts by weight of 100 parts by weight of “2NA”, chlorine content of 40% by weight) and 200 parts by weight of chlorinated paraffin (“E500”, manufactured by Asahi Denka Co., Ltd., chlorine content of 50% by weight, average carbon number: 14).
Kneaded with a roll kneader at 120 ° C.
The sheet was formed into a sheet by a press at ℃. Thus, thickness 0.3
mm was obtained.

Wooden door (Northwood, "Interior door PIDCOL24, 2'4"), 711 × 2032 m
m) and (41), as shown in FIG. 14, a pair of facing wooden surface materials (42) and a plurality of surface material supports (43) arranged between these surface materials and fixing the surface materials. ), That is, kumiko. In FIG. 7, a pair of face materials (42) are removed from the wooden door (41),
The vibration damping sheet (44) was attached to a portion of each inner surface that did not contact the face material support. Then, a rigid member (45) made of a steel plate (manufactured by Kobe Steel) having a thickness of 0.2 mm was stuck on the entire surface opposite to the vibration damping sheet (44). Thereafter, the pair of face materials (42) and the plurality of face material supports (43) were assembled in the original state, and a soundproof door was manufactured.

Example 10 Chlorinated polyethylene (Eraslen 40 manufactured by Showa Denko KK)
2NA ", 100 parts by weight of chlorine content, 40 parts by weight of chlorine, 100 parts by weight of chlorinated paraffin (E500, manufactured by Asahi Denka Co., Ltd., 50% by weight of chlorine) and 100 parts by weight of chlorinated paraffin (manufactured by Ajinomoto Fine Techno Co., Ltd.," Empara 70 ", chlorine content 7
0% by weight) and 100 parts by weight with a roll kneader, and the obtained kneaded material is pressed at 120 ° C. to have a thickness of 0.3 mm.
Sheet was obtained.

A soundproof door was manufactured in the same manner as in Example 9 except that this sheet was used as a vibration damping sheet (44).

Comparative Example 8 As shown in FIG. 14, the wooden door prepared in Example 9 ("Interior door PIDCOL24" manufactured by Northwood Corp.)
2′4 ″) (41), without laminating the laminated body composed of the vibration damping sheet and the rigid member, was directly used for the sound insulation measurement.

Comparative Example 9 In FIG. 15, a 2 mm-thick asphalt-based sound insulating sheet (4 parts) composed of 100 parts by weight of asphalt and 600 parts by weight of iron powder was used instead of the laminated body composed of the vibration damping sheet and the rigid member.
A soundproof movable partition was produced in the same manner as in Example 9 except that 6) was used.

Performance Evaluation Test The sound insulating doors manufactured in Examples 9 to 10 and Comparative Examples 8 to 9 were evaluated for sound insulating performance by the following method.

The soundproof door is JIS-A1416 (197)
It was installed in an acoustic measurement room conforming to 4). The face material was not fixed directly to the wall of the reverberation room, but was filled with clay and fixed. The sound pressure level of the sound source was 110 dB (45 dB of background noise), and the noise generator (manufactured by RION, model “SF”) was used.
-05 ") and all-pass pink noise was used. For the measurement of the sound pressure level, an octave band precision sound level meter (model “NA-29” manufactured by RION) was used.
First, the sound pressure level on the sound source side was measured, and then the sound pressure level on the transmission side was measured. The sound pressure level difference from the sound source was determined by the average value (all pass) in all frequency ranges.

Table 5 summarizes the results of these measurements.

[0128]

[Table 5]

When no damping sheet is used (Comparative Example 8)
Those having improved sound insulation by 5 dB or more as compared with are considered to have good sound insulation.

As is clear from Table 5, the soundproof doors manufactured in the examples all show good sound insulation.

[0131]

The soundproof movable partition, soundproof floor, soundproof sliding door, soundproof sash or soundproof door according to the present invention has a vibration damping member having excellent vibration damping performance which absorbs the vibration of the face material and transmits the sound to the opposite side. And high sound insulation performance can be obtained. In addition, it is low cost and lightweight.

In a preferred embodiment of the present invention, as the organic polymer material, 100 parts by weight of a chlorine-based polymer material having a chlorine content of 20 to 65% by weight, an average carbon number of 10 to 50 and a chlorine content of 30 to 65% are used. 70% by weight chlorinated paraffin 10
Since the resin composition containing 0 to 350 parts by weight is used, sound insulation having more excellent sound insulation performance can be obtained.

As described above, according to the present invention, it is possible to provide a soundproof movable partition, a soundproof floor, a soundproof sliding door, a soundproof sliding door, or a soundproof door which is low-cost, lightweight, easy to construct, and excellent in sound insulation performance. it can.

In a variety of living environment fields such as a detached house or an apartment apartment, or in various living environment fields such as other buildings, vibration and noise generated indoors and outdoors can be absorbed and reduced to provide a comfortable environment. It becomes possible to do.

[Brief description of the drawings]

FIG. 1 is a vertical sectional view showing a soundproof movable partition according to Examples 1 and 2.

FIG. 2 is a longitudinal sectional view showing a house on which a soundproof floor is installed.

FIG. 3 is a vertical sectional view showing a soundproof floor according to a third embodiment.

FIG. 4 is a vertical sectional view showing a soundproof floor according to a fourth embodiment.

FIG. 5 is a vertical sectional view showing a soundproof sliding door according to Examples 5 and 6.

FIG. 6 is a vertical sectional view showing a soundproof sash according to Examples 7 and 8.

FIG. 7 is a vertical sectional view showing a soundproof door according to Examples 9 and 10.

FIG. 8 is a vertical sectional view showing a movable partition according to Comparative Example 1.

FIG. 9 is a vertical sectional view showing a soundproof movable partition according to Comparative Example 2.

FIG. 10 is a vertical sectional view showing a sliding door according to Comparative Example 4.

11 is a vertical sectional view showing a soundproof sliding door according to Comparative Example 5. FIG.

FIG. 12 is a vertical sectional view showing the occurrence of Comparative Example 6.

FIG. 13 is a vertical sectional view showing a soundproof sash according to Comparative Example 7.

FIG. 14 is a vertical sectional view showing a door according to Comparative Example 8.

FIG. 15 is a vertical sectional view showing a soundproof door according to Comparative Example 9.

[Explanation of symbols]

 (1): movable partition (2) (11) (42): face material (3) (23) (43): face material support (4) (14) (24) (44): damping sheet (5) ) (15) (25) (45): Rigid members (16): Floor joists (21): Japanese sliding doors (22): Bone shackles (26): Paste (27): Top paste (28): Japanese shoji ( 29): Shoji paper (41): Wooden door

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) E04F 15/18 601 E04F 15/18 601A E06B 5/20 E06B 5/20 F term (Reference) 2E001 DF01 DF06 DF06 FA07 FA11 GA24 HF14 HF16 2E039 BB02 4F100 AB03 AH05B AK01B AK04 AL05B AP00 AR00C AT00A BA03 BA07 BA10A BA10C CA30B EJ17 EJ42 GB07 JH01 JH02 JH02B JK01C JK07C YY00B YY00C 4J002W00W 4B002W04W04B04

Claims (12)

[Claims] A chlorine content of at least a part of a face material is 2
Vibration damping comprising a resin composition containing 100 parts by weight of a chlorine-based polymer material of 0 to 70% by weight and 50 to 300 parts by weight of chlorinated paraffin having an average carbon number of 12 to 50 and a chlorine content of 30 to 65% by weight. A soundproof movable partition having a sheet attached thereto and a rigid member attached to the opposite surface of the sheet. 2. A part of a face material constituting a movable partition, 100 parts by weight of a chlorine-based polymer material having a chlorine content of 20 to 70% by weight, an average carbon number of 12 to 16 and a chlorine content of 30 to 65. A vibration damping sheet comprising a resin composition containing chlorinated paraffin of 50% by weight and a mixture of chlorinated paraffin having an average carbon number of 20 to 50 and a chlorine content of 30 to 65% by weight is attached. A soundproof movable partition characterized by further comprising a rigid member attached to the opposite surface of the seat. 3. The soundproof movable partition according to claim 1, wherein the rigid member has a longitudinal elastic modulus of 1 Gpa or more. 4. 100 parts by weight of a chlorine-based polymer material having a chlorine content of 20 to 70% by weight, and chlorinated paraffins 50 to 3 having an average carbon number of 12 to 50 and a chlorine content of 30 to 65% by weight.
A soundproof floor characterized in that at least a part of a vibration damping sheet made of a resin composition containing 00 parts by weight is attached to a floor member, and a rigid member is attached to the opposite surface of the sheet. 5. A chlorine-based polymer material having a chlorine content of 20 to 70% by weight, 100 parts by weight, a chlorinated paraffin having an average carbon number of 12 to 16 and a chlorine content of 30 to 65% by weight, and an average carbon number of 20 to 70%. 50 and chlorine content of 30 to 65% by weight
At least a portion of a vibration damping sheet made of a resin composition containing 50 to 300 parts by weight of a chlorinated paraffin mixture is attached to a floor member, and a rigid member is attached to the other surface of the sheet. Soundproof floor characterized by being. 6. The soundproof floor according to claim 4, wherein the longitudinal elastic modulus of the rigid member is 1 Gpa or more. 7. At least a part of a fusuma or shoji has 100 parts by weight of a chlorine-based polymer material having a chlorine content of 20 to 70% by weight, an average carbon number of 12 to 50 and a chlorine content of 30 to 65.
A sound-insulating sliding door characterized in that a vibration damping sheet made of a resin composition containing 50 to 300 parts by weight of chlorinated paraffin by weight is attached, and a rigid member is attached to the other surface of the sheet. Or soundproof shoji. 8. At least a part of a sliding door or a sliding screen includes 100 parts by weight of a chlorine-based polymer material having a chlorine content of 20 to 70% by weight, an average carbon number of 12 to 16 and a chlorine content of 30 to 65.
Weight percent chlorinated paraffins and an average carbon number of 20-5
A vibration damping sheet comprising a resin composition containing 0 to 50 parts by weight of a chlorinated paraffin mixture having a chlorine content of 30 to 65% by weight, and a rigid member provided on the opposite surface of the sheet. A soundproof fusuma or soundproof shoji, which is attached. 9. The soundproof sliding door or the soundproofing screen according to claim 7, wherein a longitudinal elastic modulus of the rigid member is 1 Gpa or more. 10. At least a part of the door has 100 parts by weight of a chlorine-based polymer material having a chlorine content of 20 to 70% by weight,
Average carbon number 12-50 and chlorine content 30-65% by weight
A soundproof door characterized in that a vibration damping sheet made of a resin composition containing 50 to 300 parts by weight of chlorinated paraffin is adhered, and a rigid member is attached to the opposite surface of the sheet. 11. At least a part of the door has 100 parts by weight of a chlorine-based polymer material having a chlorine content of 20 to 70% by weight,
Average carbon number 12-16 and chlorine content 30-65% by weight
A damping sheet comprising a resin composition containing chlorinated paraffins and a mixture of chlorinated paraffins having an average number of carbon atoms of 20 to 50 and a chlorine content of 30 to 65% by weight is 50 to 300 parts by weight. A soundproof door further comprising a rigid member attached to the opposite surface of the seat. 12. The soundproof door according to claim 10, wherein the rigid member has a longitudinal elastic modulus of 1 Gpa or more.