CN108601447A - Brush batt material and use its brush - Google Patents
Brush batt material and use its brush Download PDFInfo
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- CN108601447A CN108601447A CN201680075566.8A CN201680075566A CN108601447A CN 108601447 A CN108601447 A CN 108601447A CN 201680075566 A CN201680075566 A CN 201680075566A CN 108601447 A CN108601447 A CN 108601447A
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- Prior art keywords
- island
- brush
- composite fiber
- type composite
- sea type
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/04—Preparing bristles
- A46D1/05—Splitting; Pointing
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Abstract
Brush batt material, it is the brush batt material that island portion is exposed in one end of length direction of island-in-sea type composite fiber or two ends, the island-in-sea type composite fiber is made of the different resin of more than two kinds of medicament dissolution speed, it is characterized in that, the peripheral surface forming portion for forming the peripheral surface of island-in-sea type composite fiber is only made of extra large portion, and the island portion of island-in-sea type composite fiber lays particular stress on the position for the close central portion being present in other than peripheral surface forming portion in the cross section of the island-in-sea type composite fiber；And the brush using it.It can provide and not injure by cleaning material, have both excellent cleaning and there is the brush batt material of excellent durability and use its brush.
Description
Technical field
The present invention relates to the brush batt material for the various brushes being suitable including through including toothbrush and use its brush.
Background technology
All the time, well-known using the monofilament of synthetic fibers as the technology of brush batt material.For using this
Brush, such as toothbrush of the brush batt material of sample, it is expected that the cleaning effect of the tooth obtained by hair front end and not injuring clear
The massage effect balance for sweeping flexible touch, gum of the degree of object etc. is excellent well.
But it is full by the meristogenetic situation of single material, being difficult to sometimes until brush batt material to hair front end
Foot is such to be required.That is, to hair front end by the meristogenetic situation of single material, if thickening brush batt material,
The toughness of brush also becomes by force, to improve the massage effect of the cleaning effect to the flat surface of tooth, gum etc., but on the contrary,
The cleaning effect being likely to result between tooth reduces, or become too strong to be easy injury gum etc. to the sense of touch of gum etc..
In addition, until hair front end by the meristogenetic situation of single material, if brush is made to be attenuated with batt material,
Although the cleaning effect between tooth improves, the toughness of brush batt material dies down over the entire length, the massage effect of gum etc.
Fruit is likely to decrease or the durability of batt material itself is likely to decrease.
In the brush of cleaning, washing in other areas, substantially there is also identical problems.
Therefore, it in order to take into account excellent cleaning effect with good balance and be difficult to injure by the characteristic of cleaning material, proposes
Following brush batt materials, wherein use island-in-sea type composite fiber as brush batt material, batt material when for brush
Root make the complex structure of filament that island ingredient is integrated, be so that multiple island portions is exposed and divide fine structure (specially in front end
Sharp document 1).By using the brush batt material, excellent cleaning effect can be taken into account with good balance and be difficult to injure
By the feature of cleaning material, and by the thin island portion fiber of the front end of exposing, soft sense of touch can be obtained.
However, in the brush batt material proposed in above patent document 1, also remain following such problem.That is, residual
The problem of staying be, due to being the whole areas for the cross section that island portion spreads the island-in-sea type composite fiber used with batt material as brush
The structure that domain distribution, the island portion are exposed in the front end of batt material, therefore in the case ofs being actually used in toothbrush etc., to exposing
Island portion, according to the size of external force, the extra large portion of the island portion of the exposing is supported in batt material root when friction etc. applies external force
It is possible that cracking, durability is possible to become inadequate.
However, independently with the problem involved by previous brush batt material as described above, recently, it is proposed that can
The cross-sectional shape of the distribution of island portion, island portion is formed as to the manufacturing technology (patent of the island-in-sea type composite fiber of various forms
Document 2 ~ 4).According to the technology of the proposition, in island-in-sea type composite fiber, island portion substantially can be freely designed relative to extra large portion
Size, configuration, cross sectional shape, configuration density etc., if it is possible to various requirement of the reply in various fields, then by very big
Expectation.
Existing technical literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 3-99604 bulletins.
Patent document 2：Japanese Unexamined Patent Publication 2011-174215 bulletins
Patent document 3：Japanese Unexamined Patent Publication 2012-127022 bulletins
Patent document 4：Japanese Unexamined Patent Publication 2013-14872 bulletins.
Invention content
Problems to be solved by the invention
Therefore, project of the invention is conceived to advantageous feature and the institute of the brush batt material described in previous patent document 1
The problem of residual, and it is conceived to the system for the island-in-sea type composite fiber that mainly substantially can freely design island portion being recently proposed
Technology is made, provides and has both excellent cleaning and the brush with excellent durability in the case where not injuring by cleaning material
Sub- batt material and use its brush.
The means to solve the problem
In order to solve the above problems, brush according to the present invention includes with batt material：Brush batt material is island portion by
One end of length direction or two ends for the island-in-sea type composite fiber that the different resin of more than two kinds of medicament dissolution speed is constituted
Locate the brush batt material exposed, which is characterized in that form the peripheral surface forming portion of the peripheral surface of aforementioned island-in-sea type composite fiber only
It is made of extra large portion, the island portion of the island-in-sea type composite fiber is laid particular stress in the cross section of the island-in-sea type composite fiber is present in aforementioned peripheral surface
The position of close central portion other than forming portion.
In such brush batt material according to the present invention, by being set as island portion in the length side of island-in-sea type composite fiber
To an end or two ends, (as described later, for brush batt material when for brush, there are an ends of batt material
The two kinds of situations for the case where the case where forming hair front end and two ends form hair front end) the brush batt material structure exposed,
The thin island portion for being essentially only the composite fibre exposed in batt material front end with being in direct contact by cleaning material, forms the island
The form that portion is supported in root by the extra large portion of composite fibre, therefore a mao front end is constituted by the weaker multiple exposing island portions of toughness,
Such as the tiny position for being difficult to clean between tooth etc. also shows excellent cleaning, and be tough with being contacted by cleaning material
Property weak exposing island portion, therefore, it is difficult to injure to be obtained soft sense of touch by cleaning material.In addition, with being in direct contact by cleaning material
Only a plurality of (multiple) thin island portions, therefore for being cleaned position, additionally it is possible to it plays and not only scans out but also capture dirt
The function of dirt can show further excellent cleaning.Also, the periphery of the peripheral surface due to forming island-in-sea type composite fiber
Face forming portion is only made of extra large portion, and the island portion of island-in-sea type composite fiber, in the cross section of the island-in-sea type composite fiber, weighting is deposited
It is in the cross section of island-in-sea type composite fiber the position of the close central portion other than peripheral surface forming portion, therefore, close to outer
The island portion of circumferential surface forming portion is near the root of above-mentioned exposing island portion and its at position (position of composite fibre side), by certain thick
Du or more formation peripheral surface forming portion extra large portion covering, to expose island portion apply external force when, it is therefore prevented that make branch because of the external force
The extra large portion cracking of island portion is exposed in support, significantly improves the durability of brush batt material.In other words, the island portion of island-in-sea type composite fiber
In the cross section of the island-in-sea type composite fiber lay particular stress on be present in the peripheral surface forming portion of certain thickness or more formed by extra large portion with
The position of outer close central portion, island portion existing for the weighting are formed in the form of batt material front end exposing, therefore pass through dew
Go out island portion and applied flexibly and be difficult to injure by cleaning material, obtain excellent this advantage of cleaning effect, meanwhile, by certain thickness with
On the peripheral surface forming portion formed by extra large portion and realize excellent durability.
In brush batt material involved by aforementioned present invention, for more effectively table by above-mentioned peripheral surface forming portion
Reveal excellent durability, constitute the thickness in the extra large portion of peripheral surface forming portion preferably for showing the excellent durability and
Speech is adequately more than value.In order to realize this, in the cross section of above-mentioned island-in-sea type composite fiber, close to the island of above-mentioned peripheral surface forming portion
The ratio Ts/Di of the thickness Ts in the extra large portion of the diameter Di in portion and above-mentioned peripheral surface forming portion is preferably 1.2 or more.It more cuts as a result,
Excellent durability is realized by the peripheral surface forming portion being made of extra large portion more than specific thickness on the spot.Ts/Di is preferably
1.5 or more, 2.0 or more are more preferably.
In addition, in brush batt material involved by aforementioned present invention, as in the length side of above-mentioned island-in-sea type composite fiber
The exposed length for the island portion exposed to an end or two ends, the range for being preferably in 0.5 ~ 10mm, more preferably 1 ~ 5mm
Range.If the exposed length of island portion is shorter than 0.5mm, it is difficult to the tiny position such as obtain between tooth by exposing island portion
Excellent cleaning, in addition, being also difficult to obtain good flexible touch.If the exposed length of island portion is longer than 10mm, toughness
Weak exposing island portion is possible to long, exposes island portion excessive deformation and cleans effect as obtained from exposing island portion to generate
The insufficient possibility of massage effect of (such as effect of crawl dirt), gum etc..
In addition, in brush batt material involved by aforementioned present invention, the diameter of above-mentioned island portion, particularly close to peripheral surface
The diameter Di of the island portion of forming portion is preferably in 1 ~ 20 μm of range, more preferably 1 ~ 10 μm of range.If the island portion is straight
Diameter is less than 1 μm, then exposing island portion becomes meticulous, and the toughness for exposing island portion is excessively weak, it is possible to be difficult to be cleaned required dew
Go out the toughness of island portion.If the diameter of island portion is more than 20 μm, the toughness for exposing island portion is become too strong, it is difficult to be obtained between tooth
Etc. the excellent cleaning at tiny position, in addition, it is also possible to be difficult to obtain soft sense of touch.It should be noted that in the present invention, island
The diameter in portion refers to its diameter, the shaped cross-section other than circle in the case of the cross-sectional shape of island portion is round
In the case of refer to external diameter of a circle.It is also the same such for the diameter of aftermentioned island-in-sea type composite fiber.It should be noted that closing
In the diameter of the island portion, all island portions can be not identical fineness degree.
In addition, the quantity as the above-mentioned island portion in the cross section of above-mentioned island-in-sea type composite fiber, preferably 20 or more.Cause
This, in the island portion that one end of length direction or two ends for forming the island-in-sea type composite fiber of 1 brush batt material are exposed
Quantity be preferably also 20 or more.By making the quantity of the island portion be 20 or more, it is easy to capture dirt by exposing island portion, into one
Step improves cleaning property, and in the case ofs requiring to keep the performance, frothing capacity etc. of cosmetics etc., is also easy to play these
Performance.
In addition, in brush batt material involved by aforementioned present invention, the diameter of above-mentioned island-in-sea type composite fiber is preferably in
50 ~ 1,000 μm of range, more preferably 80 ~ 500 μm of range.If the diameter of island-in-sea type composite fiber is less than 50 μm, it is used for
The island-in-sea type composite fiber portion toughness of itself when brush becomes too weak, and according to purposes, cleans effect and is likely to decrease.If island
The diameter of composite fibre is more than 1,000 μm, then the island-in-sea type composite fiber portion toughness of itself when being used for brush is become too strong, although
It is different according to the difference of the form (length, diameter) of the exposing island portion of front end, but the island at the root of exposing island portion is multiple
Condensating fiber portion is squeezed strongly by cleaning material side, it is possible to being easy injury by cleaning material.
In addition, in brush batt material according to the present invention, as the resin types for constituting above-mentioned island-in-sea type composite fiber,
It is not particularly limited as long as being made of the different resin of more than two kinds of medicament dissolution speed, may be exemplified out for example above-mentioned sea
The extra large portion of island composite fibre is made of polyester based resin, island portion is by the slower tree of the medicament dissolution speed compared with the polyester based resin
The form that fat is constituted.More specifically, it may be exemplified that the portion of going to sea is made of polybutylene terephthalate (PBT), island portion is by nylon
The form that (registered trademark) is constituted；Extra large portion is made of polyethylene terephthalate, island portion is by polybutylene terephthalate
The form that ester is constituted.
In addition, in brush batt material according to the present invention, the cross-sectional shape of above-mentioned island-in-sea type composite fiber is substantial
Arbitrary shape is can be set as, other than cross-sectional shape is formed as circular form, can also use and be formed as circle
Any one in the form of outer shaped cross-section (such as the polygons such as triangle, quadrangle, multi-leaf-shaped etc.).The cross section shape
Shape can be set according to purposes, using purpose.Further, it is also possible to for the use shape for being mixed there are many cross-sectional shape
State.
In addition, the cross-sectional shape of the island portion for above-mentioned island-in-sea type composite fiber, similarly substantially can be set as
Arbitrary shape can also use the abnormity be formed as except circle to cut other than cross-sectional shape is formed as circular form
Any one in the form of face shape (such as the polygons such as triangle, quadrangle, Y-shaped etc.).The cross-sectional shape can also root
It is set according to purposes, using purpose.Further, it is also possible to for the form for being mixed there are many cross-sectional shape.
It, can also will be in the end of above-mentioned island-in-sea type composite fiber (one in addition, in brush batt material according to the present invention
A end or two ends) front end of island portion exposed is formed as the thin conical by its shape in front end, it can also be formed until exposing
The front end of island portion substantially maintains the shape of the cross-sectional shape of the island portion in island-in-sea type composite fiber.The front end of island portion will be exposed
Portion be formed as the thin conical by its shape in front end form can for example, by with for dissolving medicament solution rate it is faster
Resin constitutes sea portion and constitutes island portion with the slower resin of solution rate to realize.Be formed as until exposing the front end of island portion
Portion substantially maintains the form of the cross-sectional shape of island portion can be for example, by only sea portion with being dissolved for medicament for dissolving
Resin constitute and with for the undissolved resin of the medicament constitute island portion to realize.
Further, in brush batt material according to the present invention, above-mentioned island-in-sea type composite fiber can also have material that
This different island portion.Further, further, it is also possible to which the form of the island portion with multiple cross sectional dimensions different from each other is made.
Like this, by the way that with a variety of island portions, multiple functions can be had both.
The present invention also provides the brush at least partly using brush batt material according to the present invention as described above.It is special
Not, brush according to the present invention using it is as described above do not injure by cleaning material, to have both excellent cleaning, durability excellent
Batt material different and that soft sense of touch can be obtained, thus particularly suitable as toothbrush, accurate washing brush, wash one's face
Brush, cosmetic brush etc..
It is different according to the difference of its purposes in such brush according to the present invention, but as preferred brush
The range of staple length (length of brush root to hair front end), may be exemplified out the range of 1 ~ 50mm, the more preferably model of 5 ~ 35mm
It encloses.
The effect of invention
Like this, it does not injure by cleaning material according to the present invention it is possible to provide, have both excellent cleaning and with excellent
The brush batt material of durability.
In addition, according to the present invention it is possible to provide at least partly use brush batt material as described above various brushes,
The brush of brush, brush for washing face, cosmetic brush etc. particularly suitable as toothbrush, accurate washing can be provided.
Description of the drawings
Fig. 1 shows that the brush batt material involved by an embodiment of the invention, Fig. 1 (A) are one of batt material
The summary lateral view of end, Fig. 1 (B) are the diagrammatic, cross-sectional figures along the line B-B of Fig. 1 (A).
Fig. 2 is the schematic configuration diagram of fur planting method when showing for brush batt material to be used for toothbrush.
Fig. 3 is the summary lateral view of an end of the brush batt material involved by another embodiment of the present invention.
Fig. 4 is the diagrammatic, cross-sectional figure for the various forms example for showing brush batt material according to the present invention.
Fig. 5 is the diagrammatic, cross-sectional figure for other various forms examples for showing brush batt material according to the present invention.
Specific implementation mode
Hereinafter, being described with reference to embodiments of the present invention.
Fig. 1 shows that the brush batt material 1 involved by an embodiment of the invention (embodiment 1), Fig. 1 (A) are shown
Go out an end of the batt material 1.Brush with batt material 1 as shown in Fig. 1 (B), the structure as following brush batt materials
At being formed by island-in-sea type composite fiber 4, the island-in-sea type composite fiber 4 is by the different resin of more than two kinds of medicament dissolution speed
Cross-sectional shape that (being 2 kinds of resins in illustrated example) is constituted, being made of extra large portion 2 and island portion 3 is circular island-in-sea type composite fiber,
In one end of length direction of island-in-sea type composite fiber 4 or two ends, (Fig. 1 (A) only shows one of the batt material 1 to island portion 3
End) expose and (island portion of exposing 3 is partially shown as exposing island portion 3a below).The brush is in batt material 1, such as Fig. 1 (B)
Shown such, the peripheral surface forming portion 5 for forming the peripheral surface of island-in-sea type composite fiber 4 is only made of extra large portion 2, the island-in-sea type composite fiber
4 island portion 3 spreads the position of the close central portion other than peripheral surface forming portion 5 in the cross section of the island-in-sea type composite fiber 4
Whole region, weighting are present in the position close to central portion.Particularly, in the present embodiment, island-in-sea type composite fiber is made
4, so that the diameter Di of the island portion 3 close to peripheral surface forming portion 5 in the cross section of island-in-sea type composite fiber 4 is formed with peripheral surface
The ratio Ts/Di of the thickness Ts in the extra large portion 2 in portion 5 reaches 1.2 or more.The island-in-sea type composite fiber 4 of such form can be before use
State described in patent document 2 ~ 4 substantially can freely design island portion relative to the size in extra large portion, configuration, cross sectional shape, match
It sets the technology of density etc. and intentionally makes.Alternatively, the compound spinneret in island of known so-called pipeline type can also be used
Head (island component is passed through the fine Ground Split of pipeline group and the spinning head that makes it be distributed with specified states in sea component) makes
Island-in-sea type composite fiber 4.But it can be easier using the technology described in aforementioned patent literature 2 ~ 4 and more precisely be made
Target island-in-sea type composite fiber 4.
The exposing island portion 3a of the length direction end of island-in-sea type composite fiber 4 is for example formed in the following manner.The compound fibre in island
Dimension 4 is formed by the different extra large portion 2 of medicament dissolution speed (such as solution rate based on alkali process) and forms use with resin and island portion 3
This 2 kinds of resins of resin are constituted, thus, for example being used as the polybutylene terephthalate (PBT) of polyester based resin dissolved in alkali
(PBT) sea portion 2 is formed, the nylon (Ny) (registered trademark) for being used as the undissolved resin in alkali forms island portion 3, by the island
The length direction end of composite fibre 4 only carries out alkali process to only the extra large portion 2 of the end sections being made to dissolve with specific length, by
This forms the end sections as shown in Fig. 1 (A) with the brush batt material 1 for exposing island portion 3a.Carry out alkali process and
Only make extra large portion 2 dissolve and exposed length that the above-mentioned specific length of the processing that remains undissolved island portion 3 be exposing island portion 3a.It should
Exposed length is as described above, is preferably in the range of 0.5 ~ 10mm.
In addition, in present embodiment, expose island portion 3a for example by alkali process undissolved resin constitute, therefore pass through
The dissolving in extra large portion 2 and after exposing, the shape of the island portion 3 in island-in-sea type composite fiber 4 also directly retains, and exposes island portion 3a from its root
Until front end is formed as identical cross-sectional shape.In addition, in present embodiment, the cross-sectional shape of island-in-sea type composite fiber 4,
The cross-sectional shape of island portion 3 is all formed as circle, but as described above, the profiled cross-section shape except circle can also be made
Shape.In addition, the diameter for the island portion 3 in island-in-sea type composite fiber 4, particularly the diameter of the island portion 3 close to peripheral surface forming portion 5
The preferred scope of Di, the preferred scope of the quantity of island portion 3 in the cross section of island-in-sea type composite fiber 4, island-in-sea type composite fiber 4 it is straight
The preferred scope of diameter, as previously described.
The brush batt material 1 constituted as described above at least partly uses to make various brushes.In general,
Method of the hair when the brush member of formation is planted as by brush batt material, it is known that representative two methods, for toothbrush
In in case of, illustrate both methods with reference to Fig. 2.
Fig. 2 (A) shows brush batt material 11 planting hair in the toothbrush 13 on the head of toothbrush member of formation 12, as the brush
The son fur planting method of batt material 11, have Fig. 2 (B) as the amplification sectional view of the a-a lines along Fig. 2 (A), shown in (C) that
The two methods of sample.In method shown in Fig. 2 (B), the brush batt material 11 of doubling is inserted into planting pore 14, with being referred to as
Anchors（）Brush batt material 11 is fixed on toothbrush member of formation 12 by 15 setting tool.The toothbrush of completion is usually claimed
For anchors toothbrush.In such anchors toothbrush, before two ends of the brush batt material 11 of pre-production become the hair of brush
End.In method shown in Fig. 2 (C), brush is interted in the through hole 16 of the head surface side member 12a of toothbrush member of formation 12
With an end of batt material 11, heating device (diagram is omited) is applied to the end for the brush batt material 11 being inserted through, to
Formation is referred to as hot-bulb（）17 Anti-extrusion or fixed block engage head back side component 12b and hide thereafter
Hot-bulb 17, to complete toothbrush commodity.The toothbrush of completion is commonly known as without anchors toothbrush.In such no anchors toothbrush, in advance
One end of the brush first made batt material 11 becomes the hair front end of brush.Therefore, brush according to the present invention is used
For batt material 1 when for anchors toothbrush, above-mentioned exposing island portion 3a is formed in two ends of brush batt material 1, for nothing
In the case of anchors toothbrush, expose the end that island portion 3a is formed in brush batt material 1.
In brush using the brush involved by the above embodiment with batt material 1, as described above, by batt material
There is the structure of thin exposing island portion 3a in end, the hair contacted with by cleaning material is constituted by the weaker multiple exposing island portion 3a of toughness
Front end, it is difficult to which injury obtains soft sense of touch, while the tiny position for being difficult to clean between tooth etc. is also shown by cleaning material
Excellent cleaning (excellent dirt scans out performance, dirt Grabbing properties).Also, the island portion 3 of island-in-sea type composite fiber 4 is in the sea
The position for the close central portion being present in other than peripheral surface forming portion 5 is laid particular stress in the cross section of island composite fibre 4, as a result, especially
Be by by formed island-in-sea type composite fiber 4 peripheral surface the peripheral surface forming portion 5 being only made of extra large portion 2 thickness Ts with close to
The ratio Ts/Di of the diameter Di of the island portion 3 of peripheral surface forming portion is set as 1.2 or more, thus close to the island portion of peripheral surface forming portion
3 and then exposing island portion 3a is supported in its root with the state covered by the extra large portion 2 of abundant thickness, even if to exposing
In the case of island portion 3a applies external force repeatedly, the extra large portion 2 for also preventing exposing because of support caused by the external force island portion 3a cracks, real
The durability of high brush batt material 1 is showed.
Fig. 3 shows an end of the brush batt material 21 involved by another embodiment of the present invention (embodiment 2)
Portion.In present embodiment, the exposing island portion 23 that the end of brush batt material 21 is exposed from island-in-sea type composite fiber 22 is in its front end
Portion is formed as the thin conical by its shape in front end.The brush of such form uses batt material 21 can be for example, by using for as dissolving
Sea portion, fast with dissolving is constituted with the faster resin of alkali solution rate (such as polyethylene terephthalate (PET)) of medicament
The slower resin (such as polybutylene terephthalate (PBT) (PBT)) of degree constitutes island portion, to realize.In this way, lead to
The alkali process formed at the part for exposing island portion 23 is crossed, the extra large portion exposed around island portion 23 is gone using fast solution rate
It removes, exposes island portion 23 and remain, but utilize slow solution rate to slow mechanism dissolved by alkali process, be formed as the thin cone in front end
Shape shape.In addition, influenced by the alkali process of the end of the island-in-sea type composite fiber 22, with expose island portion 23 and connect and residual
It at the shoulder of the island-in-sea type composite fiber 22 at the position stayed, forms as illustrated arc-shaped, forms smoother shape.
Have such front end be formed as the thin conical by its shape in front end exposing island portion 23 brush in batt material 21,
Also identically as embodiment 1 above-mentioned, it is difficult to which injury obtains soft sense of touch, and to tiny position also table by cleaning material
Reveal excellent cleaning, and obtains excellent durability.Wherein, about cleaning property, due to exposing the front end of island portion 23
Become sharp, therefore can also play more tiny position excellent cleaning effect.
For the above embodiment 1 and embodiment 2, the characteristic features in the case of applied to toothbrush are summarized in table
1.In embodiment 1, forms sea portion with polybutylene terephthalate (PBT) (PBT), forms island with nylon (Ny) (registered trademark)
Portion in embodiment 2, forms sea portion with polyethylene terephthalate (PET), uses polybutylene terephthalate (PBT)
(PBT) island portion is formed, is formed by alkali process expose island portion respectively.The characteristic of brush batt material in table 1 is expressed as and uses
The usually contrastive feature of the meristogenetic brush batt material of the nylon (registered trademark) of conventional single material, about brush
With the durability of batt material, it is expressed as the contrastive feature with the batt material described in aforementioned patent literature 1.Zero expression in table 1
With same above characteristic compared with comparing object, ◎ expressions are significantly excellent compared with comparing object.
[table 1]
In brush batt material according to the present invention, as long as in the cross section of island-in-sea type composite fiber, island portion weighting is deposited
It is the position of the close central portion other than peripheral surface forming portion, it is preferable that as long as with close to the island portion of peripheral surface forming portion
The mode that the ratio Ts/Di of the thickness Ts in the extra large portion of diameter Di and peripheral surface forming portion reaches 1.2 or more is constituted, then is used as island
Various cross section shapes may be used in composite fibre.Various forms are exemplified in Fig. 4, Fig. 5.
Brush shown in Fig. 4 (A), substantially with homomorphosis shown in Fig. 1 (B), has by 32 He of extra large portion with batt material 31
Peripheral surface forming portion 35 more than island-in-sea type composite fiber 34 that island portion 33 is constituted and the specific thickness being only made of extra large portion.Fig. 4
(B) brush shown in has the island-in-sea type composite fiber 44 being made of extra large portion 42 and island portion 43 and only by extra large portion in batt material 41
The cross-sectional shape of peripheral surface the forming portion 45 more than specific thickness of composition, island-in-sea type composite fiber 44 is formed as substantially square
Shape.Brush shown in Fig. 4 (C) has the island-in-sea type composite fiber 54 being made of extra large portion 52 and island portion 53 and only in batt material 51
The peripheral surface forming portion 55 more than specific thickness be made of extra large portion, cross-sectional shape and the island portion 53 of island-in-sea type composite fiber 44
Both cross-sectional shapes of domain of the existence are shaped generally as square.Brush shown in Fig. 4 (D) in batt material 61, have by
Peripheral surface forming portion more than island-in-sea type composite fiber 64 that extra large portion 62 and island portion 63 are constituted and the specific thickness being only made of extra large portion
65, the cross-sectional shape of island-in-sea type composite fiber 64 is formed as petal-shaped or star-shaped shape.Brush hair shown in Fig. 4 (E)
In material 71, have the island-in-sea type composite fiber 74 that is made of extra large portion 72 and island portion 73 and the specific thickness being only made of extra large portion with
On peripheral surface forming portion 75, island portion 73 is configured to ring-type, to which the cross section central portion in island-in-sea type composite fiber 74 exists not
Configure the region 76 of island portion 73.
In addition, brush shown in Fig. 5 (A) has the island being made of extra large portion 82 and island portion 83a, 83b in batt material 81
Peripheral surface forming portion 85 more than composite fibre 84 and the specific thickness being only made of extra large portion, island portion by cross-sectional shape that
This 2 kinds of island portions compositions of this different island portion 83a (cross section is round) and island portion 83b (cross section is triangle).Cross section is
The island portion 83b of triangle can expect superior dirt cleaning effect, pass through compared with cross section is circular island portion 83a
There are 2 kinds of different island portions 83a, 83b of function, the good cleaning that balance is totally obtained as exposing island portion can be expected
Property.Brush shown in Fig. 5 (B) has the island-in-sea type composite fiber 94 being made of extra large portion 92 and island portion 93 and only in batt material 91
The peripheral surface forming portion 95 more than specific thickness be made of extra large portion, the cross-sectional shape of whole island portions 93 are formed as triangle.
It is made of the island portion that cross section is triangle due to all exposing island portion, can expect excellent dirt cleaning effect.Fig. 5
(C) brush shown in in batt material 101, have the island-in-sea type composite fiber 104 being made of extra large portion 102 and island portion 103 and only by
The peripheral surface forming portion 105 more than specific thickness that extra large portion is constituted, the cross-sectional shape of whole island portions 103 are formed as star.By
It is that star-shaped island portion is constituted, therefore can expect that excellent dirt clears away effect, while energy in all exposing island portion by cross section
Exposing island portion is enough set to have both the elastic of excellent dirt cleaning performance and appropriateness.
In addition, brush shown in Fig. 5 (D) in batt material 111 there is the island being made of extra large portion 112 and island portion 113 to answer
Peripheral surface forming portion 115 more than condensating fiber 114 and the specific thickness being only made of extra large portion, the cross section shape of whole island portions 113
Shape is formed as Y-shaped.The exposing island portion of such Y-shaped cross-sectional shape can expect excellent dirt cleaning effect, simultaneously
It can also expect the effect being held in the ingredient of cleaning well in multiple exposing island portions, such as can expect to be suitable for washing
The performance of face brush, cosmetic brush.Brush shown in Fig. 5 (E) has and to be made of extra large portion 122 and island portion 123 in batt material 121
Peripheral surface forming portion 125 more than island-in-sea type composite fiber 124 and the specific thickness being only made of extra large portion, the cross of whole island portions 123
Cross sectional shape is formed as cocoon shape.In the exposing island portion of such cocoon shape cross-sectional shape, more soft sense of touch can be expected, simultaneously
It can also expect the effect that the ingredient that will be scanned out is held in well in multiple exposing island portions, such as can expect to be suitable for washing
The performance of face brush, cosmetic brush.Further, brush shown in Fig. 5 (F) has in batt material 131 by extra large portion 132 and island portion
Peripheral surface forming portion more than island-in-sea type composite fiber 134 that 133a, 133b are constituted and the specific thickness being only made of extra large portion
135, island portion is formed as material 2 kinds of island portions 133a, 133b different from each other.By island portion 133a by such unlike material,
133b, which is constituted, exposes island portion, for example, exposing island portions elastic, that sense of touch is different can be mixed with good balance, it can
Suitable performance is played according to purposes.
Like this, as the island-in-sea type composite fiber in the present invention, various cross section shapes can be used, according to purposes, are made
With purpose, optimal design can be carried out.
Embodiment
Hereinafter, being illustrated for the embodiment of the present invention.
Embodiment 1 ~ 11, comparative example 1
[making of brush batt material]
As raw material, dries and prepare under conditions of recommendation：Polybutylene terephthalate (PBT) (PBT, eastern レ (strain) system, " ト
レ Us Application " (registered trademark) 1100SW), polyethylene terephthalate (PET, eastern レ (strain) system, T755M), nylon 610
(Ny610, eastern レ (strain) system, " ア ミ ラ Application " (registered trademark) CM2001), (Ny11-PTMG is (poly- by thermoplastic polyamide elastomer
Butanediol), ア Le ケ マ corporations " ペ バ ッ Network ス " (registered trademark) 72R53), polybutylene naphthalate (PBN, Japan
Spin corporation, AE-500).By the quantity of the area ratio of extra large portion, the resin types of island portion, sea portion and island portion, island portion be set as
Shown in table 2, to laying particular stress on the compound fibre of fabric of island-in-sea type for being present in and being designed in a manner of the position of close central portion in extra large portion by island portion
Dimension carries out melt spinning.After so that the fiber that melting sprays is cooled and solidified in water, as the first stage, in 60 DEG C of warm water,
As second stage, 4.5 times are stretched in 120 DEG C of dry atmosphere, then, in xeothermic atmosphere implement relaxation thermal finalization to
Obtain island-in-sea type composite fiber.The composition of gained island-in-sea type composite fiber is shown in table 2.
By above-mentioned fiber tie up for beam diameter be the linear of 45mm and pack after, be cut into arbitrary length.Then, exist
In the state that the both ends of the surface for keeping this cut are exposed, the beam of island-in-sea type composite fiber is impregnated in heated caustic solution,
Two ends of dissolving removal, make island portion expose.By changing the dip time in caustic solution, the exposing for controlling island portion is grown
Degree.The feature of gained brush batt material is shown in table 2.
As comparative example 1, PBT fibers are impregnated in caustic solution in the same manner as described above, are made two
End is processed as the brush batt material of the thin taper in front end.
[making of toothbrush]
It will be installed on anchors formula feather planting machine with batt material by brush obtained by the above method, select defined radical (15 ~ 40
Root or so), together with anchors doubling be punched into the plant pore of head toothbrushes.As head toothbrushes, a diameter of of plant pore is used
1.5mm and the head toothbrushes for planting hair portion arranged with 8 rows 4.The staple length (mm) of the toothbrush made in embodiment, comparative example and plant
Hair root number (root/hole) is shown in table 2.
It is conducted the following evaluation for each toothbrush of gained, obtains result shown in table 2.
[evaluation of cleaning property]
The artificial tartar of ニ ッ シ Application corporations is coated on teeth arrangement model, it is 5 minutes dry or more.From teeth arrangement model
Upper surface presses aqueous toothbrush with the power of load-carrying 230g, is 70mm, rushes in stroke amplitude on the direction along teeth arrangement
Cheng Sudu is that 180mm/ seconds conditions are scrubbed.In the evaluation of tooth surface, on the upside of the molar part of teeth arrangement model,
In the evaluation of between cog, front tooth portion outboard is used.On the basis of dirt residual condition when being scrubbed 20 times with nylon hair toothbrush, root
According to the scrub number until benchmark, cleaning property is calculated by following formula.
Cleaning property=20 ÷ (until scrub number of benchmark).
[hair opening durability evaluation]
To toothbrush, apply the load-carrying of 230g from sliding surface inner vertical, in the state for the warm water for being added dropwise 37 DEG C, to stainless steel
Corrugated plating measures the hair opening rate (%) of brush section along the length direction sliding motion 1000 times of toothbrush.The calculating of hair opening rate
In method, the transverse width of the brush section under original state is denoted as Amm, the transverse width after sliding is denoted as Bmm, is denoted as
(B-A)/A×100%。
[hair cracking durability evaluation]
With above-mentioned hair open durability evaluation under the same conditions, it is every 50 times scrub number for hair front end cracking carry out
The number that the batt material that hair cracks reaches 5 occurs for observation, record.
[sense of touch blistering evaluation]
So that 20 people of adult is used toothbrush 30 days, asks to answer according to following benchmark, average score is denoted as evaluation of estimate.
Score sense of touch is blistered
5 very soft blisterings are very good
4 soft blisterings are good
3 is common neither better nor worse
2 hard blisterings are poor
1 stone blistering is excessively poor.
[table 2]
Industrial applicibility
The present invention can be applied to any brush, particularly suitable for toothbrush, accurate washing brush, brush for washing face, cosmetic brush etc..
Reference sign
1,21 brush batt material
2 seas portion
3 island portions
Island portion is exposed in 3a, 23
4,22 island-in-sea type composite fiber
5 peripheral surface forming portions
11 brush batt materials
12 toothbrush member of formation
12a head surface side members
The heads 12b back side side member
13 toothbrushes
14 plant pore
15 anchors
16 through holes
17 hot-bulbs
31,41,51,61,71,81,91,101,111,121.131 brush batt material
32,42,52,62,72,82,92,102,112,122.132 sea portion
33,43,53,63,73,83a, 83b, 93,103,113,123.133a.133b island portions
34,44,54,64,74,84,94,104,114,124.134 island-in-sea type composite fiber
35,45,55,65,75,85,95,105,115,125.135 peripheral surface forming portion
76 are not configured the region of island portion
Claims (16)
1. brush batt material is the brush that island portion is exposed in one end of length direction of island-in-sea type composite fiber or two ends
Son batt material, the island-in-sea type composite fiber are made of two or more different resin of medicament dissolution speed, which is characterized in that shape
It is only made of extra large portion at the peripheral surface forming portion of the peripheral surface of the island-in-sea type composite fiber, the island portion of the island-in-sea type composite fiber is at this
The position for the close central portion being present in other than the peripheral surface forming portion is laid particular stress in the cross section of island-in-sea type composite fiber.
2. brush batt material according to claim 1, wherein in the cross section of the island-in-sea type composite fiber, close to institute
The ratio Ts/Di for stating the diameter Di of the island portion of the peripheral surface forming portion and thickness Ts in the extra large portion of the peripheral surface forming portion is 1.2
More than.
3. brush batt material according to claim 1 or 2, wherein the exposed length of the island portion is in 0.5 ~ 10mm
Range.
4. according to brush batt material as claimed in any one of claims 1 to 3, wherein the diameter of the island portion is in 1 ~ 20 μm
Range.
5. the brush batt material according to any one of claim 1 ~ 4, wherein the cross section of the island-in-sea type composite fiber
In the island portion quantity be 20 or more.
6. the brush batt material according to any one of claim 1 ~ 5, wherein at the diameter of the island-in-sea type composite fiber
In 50 ~ 1,000 μm of range.
7. the brush batt material according to any one of claim 1 ~ 6, wherein the extra large portion of the island-in-sea type composite fiber by
Polyester based resin is constituted, and island portion is made of the slower resin of the medicament dissolution speed compared with the polyester based resin.
8. the brush batt material according to any one of claim 1 ~ 7, wherein the cross section of the island-in-sea type composite fiber
It is shaped so as to circle.
9. the brush batt material according to any one of claim 1 ~ 7, wherein the cross section of the island-in-sea type composite fiber
Be formed as the shaped cross-section other than circle.
10. according to brush batt material any one of claims 1 to 9, wherein the island portion of the island-in-sea type composite fiber
Cross-sectional shape be formed as round.
11. according to brush batt material any one of claims 1 to 9, wherein the island portion of the island-in-sea type composite fiber
Cross section be formed as the shaped cross-section other than circle.
12. the brush batt material according to any one of claim 1 ~ 11, wherein at the end of the island-in-sea type composite fiber
The front end for the island portion that portion exposes is formed as the thin conical by its shape in front end.
13. the brush batt material according to any one of claim 1 ~ 12, wherein the island-in-sea type composite fiber has material
Matter island portion different from each other.
14. brush at least partly uses the brush batt material described in any one of claim 1 ~ 13.
15. brush according to claim 14, wherein staple length is in the range of 1 ~ 50mm.
16. the brush according to claims 14 or 15 is toothbrush.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015251346 | 2015-12-24 | ||
| JP2015-251346 | 2015-12-24 | ||
| PCT/JP2016/088357 WO2017111008A1 (en) | 2015-12-24 | 2016-12-22 | Brush bristle material, and brush using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108601447A true CN108601447A (en) | 2018-09-28 |
Family
ID=59090639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680075566.8A Pending CN108601447A (en) | 2015-12-24 | 2016-12-22 | Brush batt material and use its brush |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6924994B2 (en) |
| KR (1) | KR20180097625A (en) |
| CN (1) | CN108601447A (en) |
| TW (1) | TWI709673B (en) |
| WO (1) | WO2017111008A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0399604A (en) * | 1989-09-12 | 1991-04-24 | Toray Ind Inc | Brush fiber and brush |
| CN1221323A (en) * | 1996-06-05 | 1999-06-30 | 太阳星光齿磨公司 | Toothbrush |
| JP2006230543A (en) * | 2005-02-23 | 2006-09-07 | Toray Monofilament Co Ltd | Bristle material for brush and brush |
| JP2006340748A (en) * | 2005-06-07 | 2006-12-21 | Lion Corp | Bristle for toothbrush and toothbrush |
| CN101321480A (en) * | 2005-12-02 | 2008-12-10 | 日星瑞士股份公司 | Toothbrush |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0998837A (en) * | 1995-10-09 | 1997-04-15 | Shiseido Co Ltd | Fiber for brush bristle |
| JP2010194150A (en) * | 2009-02-26 | 2010-09-09 | Toray Monofilament Co Ltd | Bristle material for toothbrush, and toothbrush |
| JP5703785B2 (en) | 2010-01-29 | 2015-04-22 | 東レ株式会社 | Compound base |
| JP5630254B2 (en) | 2010-12-15 | 2014-11-26 | 東レ株式会社 | Composite fiber |
| JP5900041B2 (en) | 2011-06-10 | 2016-04-06 | 東レ株式会社 | Composite base and composite fiber manufacturing method |
-
2016
- 2016-12-22 CN CN201680075566.8A patent/CN108601447A/en active Pending
- 2016-12-22 KR KR1020187019635A patent/KR20180097625A/en unknown
- 2016-12-22 WO PCT/JP2016/088357 patent/WO2017111008A1/en active Application Filing
- 2016-12-22 JP JP2017508117A patent/JP6924994B2/en active Active
- 2016-12-23 TW TW105142864A patent/TWI709673B/en active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0399604A (en) * | 1989-09-12 | 1991-04-24 | Toray Ind Inc | Brush fiber and brush |
| CN1221323A (en) * | 1996-06-05 | 1999-06-30 | 太阳星光齿磨公司 | Toothbrush |
| JP2006230543A (en) * | 2005-02-23 | 2006-09-07 | Toray Monofilament Co Ltd | Bristle material for brush and brush |
| JP2006340748A (en) * | 2005-06-07 | 2006-12-21 | Lion Corp | Bristle for toothbrush and toothbrush |
| CN101321480A (en) * | 2005-12-02 | 2008-12-10 | 日星瑞士股份公司 | Toothbrush |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20180097625A (en) | 2018-08-31 |
| JPWO2017111008A1 (en) | 2018-10-11 |
| TWI709673B (en) | 2020-11-11 |
| TW201732100A (en) | 2017-09-16 |
| WO2017111008A1 (en) | 2017-06-29 |
| JP6924994B2 (en) | 2021-08-25 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180928 |