CN103254805A - Method for making adhesive film - Google Patents
Method for making adhesive film Download PDFInfo
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- CN103254805A CN103254805A CN2012100361000A CN201210036100A CN103254805A CN 103254805 A CN103254805 A CN 103254805A CN 2012100361000 A CN2012100361000 A CN 2012100361000A CN 201210036100 A CN201210036100 A CN 201210036100A CN 103254805 A CN103254805 A CN 103254805A
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- bonding coat
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Abstract
The invention provides a method for making an adhesive film having a substrate layer and an adhesive layer through co-extruding a substrate layer forming material and an adhesive layer forming material containing a thermoplastic elastomer and a tackifying resin. The method allows the adhesive film having a good making shaping operability and a stable quality to be made when the content of the tackifying resin in the adhesive layer is high. The invention also provides the adhesive film obtained through the making method. The invention further provides a master batch for the formation of the adhesive layer of the adhesive film used in the making method. The adhesive film having the substrate layer and the adhesive layer through co-extruding the substrate layer forming material including a thermoplastic resin as a main component and the adhesive layer forming material containing the thermoplastic elastomer and the tackifying resin through the adhesive film making method, the adhesive layer forming material contains a polyolefin series resin having a melting temperature (Tm) of 100-180DEG C solved through a differential scanning calorimetry (DSC), and the content proportion of the tackifying resin in the adhesive layer is below 40wt%.
Description
Technical field
The present invention relates to the manufacture method of bonding film.Specifically, the present invention relates to manufacture the shape operation well and the method for the bonding film of stay in grade by coetrusion.In addition, the invention still further relates to the bonding film that utilizes manufacture method of the present invention to obtain.And then the bonding coat that the present invention relates to the bonding film that uses in the manufacture method of the present invention forms uses master batch.Bonding film is also as uses such as self adhesive tape, adhesive sheets.Bonding film of the present invention can transport parts such as the metal sheet after for example metal sheet, the application, aluminum alloy frame, resin board, decorative steel plate, vinylchlorid laminate steel, sheet glass, when processing, slaking etc., be attached in the purposes the surface of these parts protected etc. and use.
Background technology
Bonding film for example has single face at the substrate layer that is made of thermoplastic resin and is provided with constituting that bonding coat forms.In addition, as the manufacture method of bonding film, mostly use behind the organic solvent solution of bonding applying adhesive on the base material in the past, make it dry and form the method for bonding coat.In recent years, environmental problem is serious day by day and be suggested, and therefore, replaces aforesaid method, adopts by the send as an envoy to coetrusion of substrate layer and bonding coat shaping of two layers of co-extrusion.
Usually, form material as substrate layer, because excellences such as moisture resistance, chemical proofing, electrical insulating property do not produce toxic gas even if use the back to burn yet, even if problem is also less etc. aspect aftertreatment, so use the thermoplastic resin of polyolefins such as polyethylene, polypropylene more.
On the other hand, form material as bonding coat, use the hydride thermoplastic elastomers such as (SEBS) of segmented copolymer of segmented copolymer (SBS), styrene-butadiene-styrene of for example segmented copolymer of styrene-isoprene-phenylethene (SIS), styrene-butadiene-styrene and the miscellany of tackifying resin usually.If use such miscellany; then has good binding property; when further forming bonding film by coetrusion; improve for the anchor force of the thermoplastic resin that contains polyolefin as the base material of main component; and when such carrying out such as image surface protective membrane finally peeled off, bonding coat reduced the possibility that adherend pollutes (cull).
But, in coetrusion, in order to form bonding coat, in that being done, thermoplastic elastomer such as SEBS and tackifying resin mix, after having prepared bonding coat formation material, melt extrude if supply to forcing machine, be under pulverous situation at tackifying resin then, tackifying resin disperses, perhaps be attached to the screw rod of supplying opening wall, forcing machine etc., so bonding coat forms material and stably do not supply to forcing machine, in addition, there is not to form the bonding coat that has regulation cooperation ratio exactly, so can not obtain the bonding film of stay in grade.Therefore in addition, even if tackifying resin is particulate state, near the supplying opening of forcing machine, be crushed into Powderedly by screw rod, same problem can take place.
Therefore; in order to improve the above-mentioned shortcoming in the coetrusion; proposed to make the particle (master batch) that makes tackifying resin and vinyl-vinyl acetate copolymer (EVA) melting mixing in advance; by this particle and thermoplastic elastic soma are mixed, supply to the method (with reference to patent documentation 1) of making surface protection film in the forcing machine.But; in such method; when making the high surface protection film of bounding force according to the kind of adherend, purposes; even if the situation that the amount of the tackifying resin that adds in the bonding coat is increased; owing to use EVA as the matrix resin of master batch, so can not improve the cooperation ratio of the tackifying resin in the master batch.In such method, the cooperation ratio that for example makes tackifying resin is 15 weight % when above, can stick together between the particle, and operation decline, the coextrusion stably that becomes is shaped.Therefore, finally can add the cooperation ratio of the tackifying resin in the bonding coat to, even if more estimation on calculating, 15 weight % also become limit.
The special fair 8-13956 communique of [patent documentation 1] Japan
Summary of the invention
Problem of the present invention is, provide by substrate layer being formed material and carry out coextrusion with the bonding coat formation material that contains thermoplastic elastomer and tackifying resin, manufacturing has the method for the bonding film of substrate layer and bonding coat, and be in bonding coat tackifying resin contain proportionally when more, also can make the method for the bonding film of the good and stay in grade of forming operation.Problem of the present invention also is to provide the bonding film that obtains by such manufacture method, and then, be the manufacture method that provides such bonding coat formation that use, bonding film master batch.
The manufacture method of bonding film of the present invention, for by forming material as the substrate layer of main component and form material with the bonding coat that contains thermoplastic elastomer and tackifying resin and carry out coextrusion containing thermoplastic resin, make the method for the bonding film with substrate layer and bonding coat
This bonding coat forms material, and to contain the melting temperature (Tm) of obtaining by differential scanning calorimetry (DSC) (Tm) be 100～180 ℃ polyolefin-based resins,
In this bonding coat this tackifying resin to contain proportional be below the 40 weight %.
In preferred embodiment, be that resin carries out the particle that melting mixing obtains with making total amount and the said polyolefins of above-mentioned tackifying resin, form material with remaining bonding coat and supply to forcing machine, form bonding coat.
In preferred embodiment, tackifying resin described in the above-mentioned particle to contain proportional be 15～85 weight %.
According to additional aspects of the present invention, provide bonding film.Bonding film of the present invention obtains by manufacture method of the present invention.
The bonding coat formation master batch of bonding film is provided according to other aspects of the invention.The bonding coat of bonding film of the present invention forms uses master batch, contain following particle, described particle by to use in the manufacture method of the present invention, tackifying resin and be that 100～180 ℃ polyolefin-based resins carries out melting mixing and obtains by the melting temperature (Tm) (Tm) that differential scanning calorimetry (DSC) is obtained.
According to the present invention, can provide by substrate layer being formed material and carry out coextrusion with the bonding coat formation material that contains thermoplastic elastomer and tackifying resin, make the method for the bonding film with substrate layer and bonding coat, and be in bonding coat tackifying resin contain proportionally when more, also can make the method for the bonding film of the good and stay in grade of forming operation.In addition, can provide the bonding film that obtains by such manufacture method.And then, can provide in such manufacture method bonding coat that use, bonding film to form and use master batch.
Embodiment
The manufacture method of bonding film of the present invention is by substrate layer formation material and bonding coat formation material are carried out the method that co-extrusion comes out to make to have the bonding film of substrate layer and bonding coat.
The bonding film that utilizes manufacture method of the present invention to obtain has substrate layer and bonding coat.Substrate layer can be individual layer, also can be the multilayer more than 2 layers.Bonding coat can be individual layer, also can be the multilayer more than 2 layers.The bonding film that utilizes manufacture method of the present invention to obtain in the scope of not damaging effect of the present invention, can also have other any suitable layers except substrate layer and bonding coat.
In the scope that can realize goal of the invention, the thickness of substrate layer can adopt suitable thickness arbitrarily.As the thickness of such substrate layer, preferred 20～300 μ m, more preferably 30～250 μ m, further preferred 40～200 μ m.
In the scope that can realize purpose of the present invention, the thickness of bonding coat can adopt suitable thickness arbitrarily.As the thickness of such bonding coat, preferred 1～50 μ m, more preferably 2～40 μ m, further preferred 5～20 μ m.Include in the above-mentioned scope by the thickness that makes bonding coat, when utilizing coextrusion to make bonding film, can obtain the bonding film that the good and easy key-course of forming operation constitutes, also has the stay in grade of excellent adhesion characteristic.
In can realizing purpose scope of the present invention, utilize the thickness of the bonding film that manufacture method of the present invention obtains to adopt suitable thickness arbitrarily.
Substrate layer forms material and contains thermoplastic resin as main component.Substrate layer forms containing more than the proportional preferred 50 weight % of thermoplastic resin in the material, more preferably more than 70 weight, further more than the preferred 80 weight %, more than the preferred especially 90 weight %.
Even if even if from using the back to burn also not produce toxic gas in problem aspect the aftertreatment also reason such as less, form contained thermoplastic resin in the material as substrate layer, preferred polyolefm is resin.As such polyolefin-based resins, the block that can enumerate polypropylene for example, has propylene composition and an ethene composition be polypropylene, random be acrylic polymers such as polypropylene; Ethylene-based polymers such as Low Density Polyethylene, medium-density polyethylene, high density polyethylene(HDPE), linear low density polyethylene; The multipolymer of ethene compositions such as ethene-alpha-olefin copolymer, vinyl-vinyl acetate copolymer, ethylene-methyl methacrylate methyl terpolymer and other monomers; Deng.These polyolefin-based resins can only be a kind, also can be more than 2 kinds.
In order to prevent deterioration etc., substrate layer forms material can also contain any suitable additive.As such additive, for example can enumerating, antioxidant, UV light absorber, hindered amine are photostabilizer, antistatic agent, weighting agent (for example calcium oxide, magnesium oxide, silicon oxide, zinc oxide, titanium oxide etc.), pigment, preventing materials accumulation agent (Japanese: order ヤ ニ prevents drug), lubrication prescription, antiblocking agents etc. such as photostabilizer.
Substrate layer can also contain the white color system layer at least and black is 2 layers on layer.By making substrate layer contain 2 layers on white color system layer and black system layer at least, can make the very excellent bonding film of weathering resistance.At this moment, the formation of the bonding film that obtains as manufacture method of the present invention is not particularly limited, and also can adopt any formation in " white color system layer/black system layer/bonding coat ", " black is layer/white color system layer/bonding coat ".In addition, as substrate layer, also can make the layer formation more than 3 layers that has formed the layer beyond black system layer and the white color system layer.Particularly, also can make the formation of " transparent resin layer/white color system layer/black system layer/bonding coat " etc.And then the thickness of white color system layer and black system layer can be identical, also can be different thickness (the white color system layer than the black system thin thickness of layer constitute, the white color system layer is that the thickness of bed thickness constitutes than black).
The white color system layer is the layer of the tone of display white system, and is for example preferred more than 60% with the whiteness of JIS-L-1015 regulation, more preferably more than 70%, further preferred more than 80%, preferred more than 85% especially.The white color system layer preferably contains white pigment.As white pigment, can adopt suitable white pigment arbitrarily.As such white pigment, can enumerate for example titanium oxide.When the white color system layer contained white pigment, with respect to the resinous principle that forms the white color system layer, it contained proportional preferred 0.1～50 weight %, more preferably 1～40 weight %, further preferred 2～30 weight %.
Form the resinous principle of white color system layer, preferred polyolefm is resin.The containing more than the proportional preferred 60 weight % of polyolefin-based resins in the white color system layer is more preferably more than the 70 weight %, further more than the preferred 80 weight %, more than the preferred especially 85 weight %, most preferably more than the 90 weight %.Such polyolefin-based resins can only use a kind, also can use more than 2 kinds.
The thickness of white color system layer can adopt suitable thickness arbitrarily according to purpose.Preferred 5～100 μ m of such thickness, more preferably 10～200 μ m, further preferred 15～100 μ m.
Black system layer is for showing the layer of the tone that black is.Black system layer preferably contains black pigment.As black pigment, can adopt suitable black pigment arbitrarily.As such black pigment, can enumerate for example carbon black.When black system layer contained black pigment, with respect to the resinous principle that forms black system layer, it contained proportional preferred 0.01～10 weight %, more preferably 0.1～5 weight %, further preferred 0.5～3 weight %.
The resinous principle preferred polyolefm that forms black system layer is resin.The containing more than the proportional preferred 60 weight % of polyolefin-based resins in the black system layer is more preferably more than the 70 weight %, further more than the preferred 80 weight %, more than the preferred especially 85 weight %, most preferably more than the 90 weight %.Such polyolefin-based resins can only use a kind, also can use more than 2 kinds.
Bonding coat forms material and contains thermoplastic elastomer and tackifying resin.Bonding coat forms containing more than the proportional preferred 20 weight % of thermoplastic elastomer in the material, more preferably more than the 30 weight %, further more than the preferred 40 weight %, more than the preferred especially 50 weight %.
As thermoplastic elastomer, can adopt suitable thermoplastic elastomer arbitrarily.As such thermoplastic elastomer, can enumerate styrene series elastomer for example, ethylene series elastomerics, polyurethane series elastomerics, ester based elastomers, their hydride etc.Wherein, optimization styrene based elastomers, its hydride.Thermoplastic elastomer can only be a kind, also can be more than 2 kinds.
As styrene series elastomer, particularly, can enumerate for example styrene-butadiene-copolymer (SB), styrene isoprene multipolymer (SI), styrene ethylene-butylene copolymer (SEB), styrene ethylene-propylene copolymer A-B type diblock polymers such as (SEP); The multi-block polymer that styrene butadiene styrene multipolymer (SBS), styrene isoprene styrol copolymer (SIS), the cinnamic multipolymer of styrene ethylene-butylene copolymer (SEBS), styrene ethylene-propylene copolymer vinylbenzene A-B-A type three blocks such as (SEPS) or A-B-A-B type four blocks are above; Styrene butadiene ribber multipolymer polystyrene random copolymerss such as (SBR); The A-B-C type vinylbenzene alkene crystal system block polymer of styrene ethylene-butylene copolymer alkene crystallization (SEBC) etc.; Deng.
As the ethylene series elastomerics, particularly, can enumerate the ethylene series binder resin such as C-B-C type alkene crystal system block polymer, ethene-alpha-olefin copolymer, ethylene-propylene-alpha-olefin copolymer, propylene-alpha-olefin copolymers, vinyl-vinyl acetate copolymer etc. of for example alkene crystalline ethylene-butylene copolymer alkene crystallization (CEBC) etc.
As tackifying resin, can adopt suitable tackifying resin arbitrarily.As such tackifying resin, for example can enumerate petroleum line resin, coumarone indenes such as fatty family or fragrant family, aliphatic/aromatic copolymer system or ester ring type system and be resin, terpenic series resin, terpene phenol resin, alkyl phenol resin, rosin series resin, polymerized rosin is resin, diformazan benzene series resin, and then can also enumerate their hydride etc.Tackifying resin can only be a kind, also can be more than 2 kinds.
In the bonding coat tackifying resin to contain proportional be below the 40 weight %, preferred 3～40 weight %, more preferably 4～40 weight %, further preferred 5～30 weight %.In the bonding coat tackifying resin contain proportional during less than 40 weight %, might bounding force become very a little less than.In the bonding coat tackifying resin contain proportionally when surpassing 40 weight %, the cohesive force of bonding coat disappears, and might produce cull in adherend.
In order to prevent deterioration etc., bonding coat forms material can also contain any suitable additive.As such additive, for example can enumerate tenderizer, antioxidant, UV light absorber, hindered amine and be photostabilizer, antistatic agent, weighting agent (for example calcium oxide, magnesium oxide, silicon oxide, zinc oxide, titanium oxide etc.), pigment, the burnt material of mouthful mould such as photostabilizer and prevent agent, lubrication prescription, antiblocking agent etc.
Can also be as required the surperficial embodiment of bonding coat such as Corona discharge Treatment, uviolizing processing, flame treating, plasma treatment, sputter etching processing etc. be used for the control binding property, attach the surface treatment of operation etc.
Also can be as required until for during practicality, protect at adhere distance piece etc. of bonding coat temporarily.
Bonding coat forms material, and to contain the melting temperature (Tm) of obtaining by differential scanning calorimetry (DSC) (Tm) be 100～180 ℃ polyolefin-based resins.As such polyolefin-based resins, the block that can enumerate polypropylene for example, has propylene composition and an ethene composition be polypropylene, random be acrylic polymers such as polypropylene; Ethylene-based polymers such as Low Density Polyethylene, medium-density polyethylene, high density polyethylene(HDPE), linear low density polyethylene; The multipolymer of ethene compositions such as ethene-alpha-olefin copolymer, vinyl-vinyl acetate copolymer, ethylene-methyl methacrylate methyl terpolymer and other monomers; Deng.These polyolefin-based resins can only be a kind, also can be more than 2 kinds.Form the contained polyolefin-based resins of material as bonding coat, the homopolymer of alkene such as preferred especially Low Density Polyethylene, medium-density polyethylene, high density polyethylene(HDPE), linear low density polyethylene, polypropylene and their random copolymers, segmented copolymer etc.
In the present invention, form the contained polyolefin-based resins of material as bonding coat, the melting temperature (Tm) (Tm) of utilizing differential scanning calorimetry (DSC) to obtain by use is the polyolefin-based resins more than 100 ℃, for example, in increasing particle during the content of tackifying resin, can suppress the adhesion of particle, material is dried to be mixed in that this particle is formed with other bonding coats, the supply of putting into forcing machine is with in the hopper time, also can show good forming operation, can stably supply with bonding coat and form material, and can the stable bonding film of quality bills of materials.Need to prove, when utilizing melting temperature (Tm) (Tm) that differential scanning calorimetry (DSC) obtains less than 100 ℃, particle is very easy to adhesion, not only can not in ensuing operation, do equably and mix, and might can not stably supply with bonding coat and form material in the obstruction of supplying with near the particle after sticking together the hopper of usefulness.On the other hand, the polyolefin-based resins of melting temperature (Tm) (Tm) above 180 ℃ that utilizes differential scanning calorimetry (DSC) to obtain limited very much, lacks versatility, and be in addition, from considering with the aspects such as consistency of tackifying resin, impracticable.
Need to prove, the melting temperature (Tm) (Tm) of utilizing differential scanning calorimetry (DSC) to obtain is the following value of obtaining: according to JIS-K7121, in advance remain under the temperature than low approximately 100 ℃ of melting temperature (Tm) device stable after, be heated to temperature high approximately 30 ℃ when finishing than the fusion peak with the rate of heating of 10 ℃ of per minutes, describe the DSC curve, and by the value obtained of temperature of its fusion peak maximum.Need to prove, use the DSC-200 of Seiko Instruments corporate system to measure among the present invention.
Containing more than the proportional preferred 5 weight % of polyolefin-based resins in the bonding coat formation material is more preferably more than the 8 weight %, further more than the preferred 10 weight %, more than the preferred especially 12 weight %.
The cooperation of tenderizer is effective to improving bounding force usually.As tenderizer, can enumerate low-molecular-weight polyisobutene for example, polybutene, polyisoprene, polyhutadiene, hydrogenated polyisoprene, hydrogenated butadiene polymer, and be that softening agent or phosphoric acid ester are softening agent, aqueous aliphatics through-stone oleo-resinous etc. in derivative, ethylene propylene rubber, Viscotrol C, linseed oil, soybean oil, the processing that their single terminal or two ends have reactive groups such as OH base, COOH base or epoxy group(ing) with oil, naphthenic oil, phthalic acid ester.Tenderizer can only be a kind, also can be more than 2 kinds.
As said derivative, more specifically, can enumerate for example hydrogenated butadiene polymer glycol, hydrogenated butadiene polymer single methanol, hydrogenated polyisoprene glycol, hydrogenated polyisoprene single methanol.Wherein, from suppressing the purpose to the binding property rising of adherend, the hydride of diene polymers such as preferred especially hydrogenated butadiene polymer, hydrogenated polyisoprene or ethylene series tenderizer etc.Particularly, can obtain the trade(brand)name " Kuraprene LIR-200 " etc. of Kuraray corporate system.
The number-average molecular weight of tenderizer is preferred 5000～100,000, and more preferably 10,000～50,000.When the number-average molecular weight of tenderizer is too small, might become that material from from bonding coat to adherend is divided a word with a hyphen at the end of a line or heavy reason such as peeling off, on the other hand, when molecular weight was excessive, might become lacked the raising effect of bounding force.
With respect to the base polymer of bonding coat, below the preferred 100 weight % of the use level of tenderizer, more preferably below the 60 weight %, further below the preferred 40 weight %, below the preferred especially 20 weight %, most preferably below the 10 weight %.
Among the present invention, by substrate layer formation material and bonding coat formation material are carried out coextrusion, make the bonding film with substrate layer and bonding coat.Preferred 2 forcing machines that use substrate layer usefulness and bonding coat to use by two layers of coetrusion that the material of inciting somebody to action separately carries out coextrusion from a mould, are made the bonding film with substrate layer and bonding coat among the present invention.
Among the present invention, preferably not as existing, all bonding coats are formed material to supply in the forcing machine once, make particle but make the total amount of tackifying resin and polyolefin-based resins carry out melting mixing in advance, and with this particle as master batch, form material with remaining bonding coat and supply in the forcing machine.
The master batch that obtains like this, containing tackifying resin and the melting temperature (Tm) of obtaining by differential scanning calorimetry (DSC) (Tm) is 100～180 ℃ the polyolefin-based resins particle that obtains of melting mixing in addition, is used to form the bonding coat of bonding film of the present invention.
Tackifying resin contains proportional preferred 15～85 weight %, more preferably 30～80 weight % in the particle.Above-mentionedly contain proportionally during less than 15 weight %, the set that contacts with each other between the particle, and stop up at the supplying opening of forcing machine in addition, perhaps can not form and has the bonding coat that regulation cooperates ratio exactly.Above-mentioned contain proportional when surpassing 85 weight %, might be near supplying opening the particle screw rod that is extruded machine pulverize, become Powderedly, be attached on the screw rod of forcing machine, become and can not supply with.
In manufacture method of the present invention, though the total amount of tackifying resin can be all as pellet supply in forcing machine, for thermoplastic elastomer, polyolefin-based resins, also can be in addition and this particle do and mix and additional services.
As coetrusion, can wait to carry out according to normally used inflation method, T modulus methods such as film manufacturings.
When substrate layer contains 2 layers on white color system layer and black system layer at least, the formation material that is used to form substrate layer is more than 2 kinds, so, in the manufacture method of the present invention, use the formation material that forms material and formation bonding coat more than 2 kinds that forms substrate layer, multi-layer co-extruded by utilizing, can make bonding film.
The bonding film that obtains by manufacture method of the present invention, the bonding film that constitutes, has the stay in grade of excellent adhesion characteristic in addition for the good and easy key-course of forming operation.
[embodiment]
By the following examples the present invention is specifically described, but the present invention is not subjected to any restriction of these embodiment.
(embodiment 1)
As the thermoplastic resin in the substrate layer formation material, used Low Density Polyethylene (Japanese polyethylene corporate system, NOVATEC LD LF547), as the polyolefin-based resins in the bonding coat formation material, used polypropylene (Japanese POLYCHEM (strain) system, trade(brand)name " NOVATEC PPFX3 ", 139 ℃ of melting temperature (Tm)s, MFR8.0 (according to JIS-K6921-2)), as the thermoplastic elastomer in the bonding coat formation material, used the hydride (SEBS of styrene-butadiene-styrene block copolymer, Shell chemical company system, trade(brand)name " KRATON G1657 "), as the tackifying resin in the bonding coat formation material, having used hydriding terpene is resin (YASUHARA CHEMICAL corporate system, trade(brand)name " Clearon P125 ").
At first, be that resin carries out melting mixing according to the cooperation ratio shown in the table 1 to polyolefin-based resins and hydriding terpene, made mixing particle in advance.Then, with the hydriding terpene in the bonding coat be containing of resin proportional be the mode of 33 weight %, according to the cooperation ratio shown in the table 1 mixing particle and SEBS are in advance done and to mix and to make bonding coat and form material, supply to this bonding coat formation material and substrate layer formation material in the forcing machine respectively, carry out coextrusion with extrusion capacity 40kg/hr, made the bonding film (1) of have substrate layer (thickness 100 μ m) and bonding coat (thickness 15 μ m).
(embodiment 2)
As the thermoplastic elastomer in the bonding coat formation material, use the hydride (SEPS of styrene isoprene styrene block copolymer (SIS), the Kuraray corporate system, trade(brand)name " Septon 2043 ") replaces SEBS, be that resin carries out melting mixing according to the cooperation ratio shown in the table 1 to polypropylene and hydriding terpene, make mixing particle in advance, and according to the cooperation ratio shown in the table 1 mixing particle and SEPS are in advance done and to mix, in addition, implement similarly to Example 1, made the bonding film (2) of have substrate layer (thickness 100 μ m) and bonding coat (thickness 15 μ m).
(embodiment 3)
As the polyolefin-based resins in the bonding coat formation material, use Low Density Polyethylene (110 ℃ of melting temperature (Tm)s, MFR2.0 (according to JIS-K6922-2)) replaces polypropylene, as the thermoplastic elastomer in the bonding coat formation material, use the hydride (SEPS of styrene isoprene styrene block copolymer (SIS), the Kuraray corporate system, trade(brand)name " Septon 2043 ") replaces SEBS, as the tackifying resin in the bonding coat formation material, use hydrogenated aromatic through-stone oleo-resinous (waste river chemical industry (strain) system, trade(brand)name " ARCON P-125 ") replacing hydriding terpene is resin, according to the cooperation ratio shown in the table 1 Low Density Polyethylene and hydrogenated aromatic through-stone oleo-resinous are carried out melting mixing, make mixing particle in advance, and according to the cooperation ratio shown in the table 1 mixing particle and SEPS are in advance done and to mix, in addition, implement similarly to Example 1, made the bonding film (3) of have substrate layer (thickness 100 μ m) and bonding coat (thickness 15 μ m).
(comparative example 1)
Use the polypropylene in vinyl-vinyl acetate copolymer (EVA, 84 ℃ of melting temperature (Tm)s, MFR2.5 (according to JIS-K6922-2)) the replacement bonding coat formation material, be that resin carries out melting mixing according to the cooperation ratio shown in the table 1 to EVA and hydriding terpene, make mixing particle in advance, and according to the cooperation ratio shown in the table 1 mixing particle and SEBS are in advance done and to mix, in addition, implement similarly to Example 1, made the bonding film (C1) of have substrate layer (thickness 100 μ m) and bonding coat (thickness 15 μ m).
(comparative example 2)
Use ethylene-propylene acetoacetic ester copolymerization (EEA, 82 ℃ of melting temperature (Tm)s, MFR5.0 (according to JIS-K6922-2)) the replacement bonding coat forms the polypropylene in the material, use elastomerics as the thermoplasticity that bonding coat forms in the material, use SEPS, and be that resin carries out melting mixing according to the cooperation ratio shown in the table 1 to EEA and hydriding terpene, make mixing particle in advance, except according to the cooperation ratio shown in the table 1 to mixing particle and SEPS in advance do mix, implement similarly to Example 1, made the bonding film (C2) of have substrate layer (thickness 100 μ m) and bonding coat (thickness 15 μ m).
(comparative example 3)
As the thermoplastic elastomer in the bonding coat formation material, use SEPS, do not make mixing particle in advance, and be that resin is done in the lump and mixed according to the cooperation ratio shown in the table 1 to SEPS and hydriding terpene, in addition, implement similarly to Example 1, Production Example is as having the bonding film (C3) of substrate layer (thickness 100 μ m) and bonding coat (thickness 15 μ m).
(comparative example 4)
As the thermoplastic elastomer in the bonding coat formation material, use SEPS, do not make mixing particle in advance, be that resin is done in the lump and mixed according to the cooperation ratio shown in the table 1 to polypropylene, SEPS and hydriding terpene, in addition, implement similarly to Example 1, made the bonding film (C4) of have substrate layer (thickness 100 μ m) and bonding coat (thickness 15 μ m).
(comparative example 5)
As the tackifying resin in the bonding coat formation material, using hydriding terpene is resin (YASUHARA CHEMICAL corporate system, trade(brand)name " Clearon P85 "), and be that resin carries out melting mixing according to the cooperation ratio shown in the table 1 to polypropylene and hydriding terpene, make mixing particle in advance, and according to the cooperation ratio shown in the table 1 mixing particle and SEBS are in advance done and to mix, in addition, implement similarly to Example 1, made the bonding film (C5) of have substrate layer (thickness 100 μ m) and bonding coat (thickness 15 μ m).
(comparative example 6)
According to the cooperation ratio shown in the table 1, mixing particle and SEBS in advance done mix, in addition, implement similarly to Example 1, made the bonding film (C6) of have substrate layer (thickness 100 μ m) and bonding coat (thickness 15 μ m).
(evaluation test)
(forming adhesion due to the material by bonding coat)
Bonding coat being formed supply that material puts into forcing machine with in the hopper time, by whether contacting set, obstruction between the following benchmark evaluation particle.
Zero: do not contact set between the particle, particle can stably supply in the forcing machine.
*: come in contact set between the particle, particle can not supply in the forcing machine.
(bonding coat forms material adhering to extruder screw)
Whether the bonding coat that drops into forms material and is not attached near supplying opening on the extruder screw and stably supplies in the forcing machine, estimates by following benchmark.
Zero: bonding coat forms material and be not attached near the supplying opening on the extruder screw, can stably supply to forcing machine.
*: the screw rod by forcing machine is pulverized the particle of supplying with, become pulverous tackifying resin the agglutinator landfill groove of screw rod, bonding coat forms material can not supply to forcing machine.
These test-results are summarized in table 1.
As shown in Table 1, manufacturing method according to the invention can stably be supplied with bonding coat and form material, and it is good to extrude operation, can form the bonding coat that keeps regulation cooperation ratio exactly, and each adhesion characteristic of making batch is also constant.
Utilizability on the industry
Bonding film of the present invention; can transport parts such as the metal sheet after for example metal sheet, the application, aluminum alloy frame, resin board, decorative steel plate, vinylchlorid laminate steel, sheet glass, when processing, slaking etc., be attached in the purposes the surface of these parts protected etc. and use.
Claims (5)
1. the manufacture method of a bonding film, it is for containing thermoplastic resin as the substrate layer formation material and the bonding coat formation material coextrusion that contains thermoplastic elastomer and tackifying resin of main component by making, make the method for the bonding film with substrate layer and bonding coat
It is that the melting temperature (Tm) that DSC obtains is that Tm is 100～180 ℃ polyolefin-based resins that this bonding coat formation material contains by the differential scanning calorimetry,
In this bonding coat this tackifying resin to contain proportional be below the 40 weight %.
2. the manufacture method of bonding film as claimed in claim 1, wherein,
Total amount and described polyolefin-based resins to described tackifying resin carry out melting mixing and obtain particle, described particle is supplied to forcing machine with remaining bonding coat formation material form bonding coat.
3. the manufacture method of bonding film as claimed in claim 2, wherein,
Tackifying resin described in the described particle to contain proportional be 15～85 weight %.
4. bonding film, it obtains by each described manufacture method in the claim 1～3.
5. the bonding coat of a bonding film forms and uses master batch, wherein,
Its contain use in each described manufacture method in the claim 1～3, with tackifying resin be that melting temperature (Tm) that DSC obtains is that Tm is the particle that 100～180 ℃ polyolefin-based resins obtains through melting mixing by the differential scanning calorimetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100361000A CN103254805A (en) | 2012-02-15 | 2012-02-15 | Method for making adhesive film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100361000A CN103254805A (en) | 2012-02-15 | 2012-02-15 | Method for making adhesive film |
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|---|---|
| CN103254805A true CN103254805A (en) | 2013-08-21 |
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| CN2012100361000A Pending CN103254805A (en) | 2012-02-15 | 2012-02-15 | Method for making adhesive film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106318252A (en) * | 2016-08-18 | 2017-01-11 | 宁波卓胜新材料有限公司 | Coextruded coating-type protection adhesive tape and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1772462A (en) * | 2005-10-24 | 2006-05-17 | 广州市鹿山化工材料有限公司 | Three-layer co-extruded composite film for athesion of metal plate and non-metal plate |
-
2012
- 2012-02-15 CN CN2012100361000A patent/CN103254805A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1772462A (en) * | 2005-10-24 | 2006-05-17 | 广州市鹿山化工材料有限公司 | Three-layer co-extruded composite film for athesion of metal plate and non-metal plate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106318252A (en) * | 2016-08-18 | 2017-01-11 | 宁波卓胜新材料有限公司 | Coextruded coating-type protection adhesive tape and preparation method thereof |
| CN106318252B (en) * | 2016-08-18 | 2019-10-29 | 宁波卓胜新材料有限公司 | A kind of co-extrusion application type protective glue band and preparation method thereof |
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Application publication date: 20130821 |