CN108495576A - Brush batt material and use its brush - Google Patents
Brush batt material and use its brush Download PDFInfo
- Publication number
- CN108495576A CN108495576A CN201680076068.5A CN201680076068A CN108495576A CN 108495576 A CN108495576 A CN 108495576A CN 201680076068 A CN201680076068 A CN 201680076068A CN 108495576 A CN108495576 A CN 108495576A
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- CN
- China
- Prior art keywords
- island
- brush
- composite fiber
- type composite
- batt material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/02—Bristles details
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/04—Arranged like in or for toothbrushes
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/10—For human or animal care
- A46B2200/1066—Toothbrush for cleaning the teeth or dentures
Landscapes
- Brushes (AREA)
- Multicomponent Fibers (AREA)
Abstract
Brush batt material, it is the brush batt material that island portion is exposed in one end of length direction for the island-in-sea type composite fiber being made of two or more different resin of medicament dissolution speed or two ends, it is characterized in that, the cross section of the island portion of island-in-sea type composite fiber is formed as the flat pattern of the major diameter bigger compared with minor axis, the peripheral surface forming portion for forming the peripheral surface of island-in-sea type composite fiber is only made of extra large portion, in the cross section of the island-in-sea type composite fiber, the ratio Ts/Dis of the thickness Ts in the minor axis Dis of the island portion of flat pattern and the extra large portion of peripheral surface forming portion is 1.2 or more；And the brush using it.Be capable of providing have both do not injure by the characteristics such as the flexible touch of cleaning material and including dirt clear away performance including excellent cleanings and also can prevent island portion stripping, holding island portion extra large portion cracking excellent in te pins of durability brush batt material；And the brush using it.
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, not injuring and being cleaned
The massage effect balance of flexible touch, the gum of the degree of object etc. is excellent well, it is further desirable to hair front end is passed through
The excellent cleaning performance of dirt, tartar when cleaning.
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 is unable to get the excellent cleaning of the dirt using hair front end, tartar
Can, or the sense of touch of gum etc. is become too strong to be easy injury gum etc..
In addition, until hair front end is by the feelings that in the meristogenetic situation of single material, brush batt material are only made to attenuate
In condition, the cleaning effect between tooth is improved, but the toughness of brush batt material dies down over the entire length, the massage of gum etc.
Effect 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, excellent effect, such as neck portion are cleaned in order to obtain（）The hair front end entering at place is excellent, cleaning
The hair front end that the durability of high, the further hair front end of the effect of tartar is improved in patent document 1, discloses toothbrush hair
Material has 2 kinds of alternately stacked structures of resin layer on the direction vertical with the axis of batt material, in batt material front end
Portion, a resin layer is more prominent compared with the front end of another resin layer, is thus formed with multiple slits in a resin interlayer.
But in the toothbrush batt material disclosed in Patent Document 1,2 kinds of the whole region in the cross section of batt material
Resin layer is alternately laminated, therefore according to brush usage time, peeling-off in resin interlayer, the elastic force as batt material is possible to
It is insufficient.Accordingly, it is considered to required performance is used, durability may not necessarily be claimed very high.
In addition, in order to take into account excellent cleaning effect with good balance and be difficult to injure by the characteristic of cleaning material, propose
Following brush batt materials, wherein use island-in-sea type composite fiber as brush batt material, batt material when for brush
The root of hair front end be set as the complex structure of filament that island ingredient is integrally formed, be set as that multiple island portions is made to expose in front end
And point fine structure (patent document 2).In addition to this, it is also proposed that it is profiled cross-section shape to make the island portion of island-in-sea type composite fiber
Shape, to make the brush that the dirt cleaning performance using hair front end improves with batt material (patent document 3).By using such
Brush batt material has taken into account excellent cleaning effect with good balance and has been difficult to injure by the feature of cleaning material, and led to
The thin island portion fiber for crossing the front end exposed can obtain soft sense of touch, further, by the cross section shape for making exposing island portion
Shape is shaped cross-section, can improve dirt cleaning performance.
However, the brush batt material proposed in above patent document 2, patent document 3 also remains following such ask
Topic.That is, the problem of residual, is, it is the cross section that island portion spreads the island-in-sea type composite fiber used as brush batt material
The structure that substantial whole region distribution, the island portion are exposed in the front end of batt material, therefore in the feelings for being actually used in toothbrush etc.
In condition, when applying external force bys rubbing etc. to the island portion of exposing, according to the size of external force, the exposing is supported in batt material root
The extra large portion of island portion be possible to crack, 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 the island-in-sea type composite fiber of various forms manufacturing technology (such as
Patent document 4).According to the technology of the proposition, in island-in-sea type composite fiber, island portion substantially can be freely designed relative to sea
Size, configuration, cross sectional shape, the configuration density in portion etc., if it is possible to various requirement of the reply in various fields, then by pole
Big expectation.
Existing technical literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2010-253107 bulletins
Patent document 2：Japanese Unexamined Patent Publication 3-99604 bulletins
Patent document 3：Japanese Unexamined Patent Publication 2011-218088 bulletins
Patent document 4：Japanese Unexamined Patent Publication 2011-174215 bulletins.
Invention content
Problems to be solved by the invention
Therefore, project of the invention be conceived to the brush batt material described in previous patent document 1 ~ 3 advantageous feature and
The problem of remained, and be conceived to be recently proposed mainly can substantially freely as described in patent document 4
Design island portion island-in-sea type composite fiber manufacturing technology, provide have both do not injure by the characteristics such as the flexible touch of cleaning material and including
Dirt clear away performance including excellent cleanings and also with excellent durability brush 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 in sea
The brush batt material that one end of length direction of island composite fibre or two ends are exposed, the island-in-sea type composite fiber is by medicine
Two or more different resin of agent solution rate is constituted, which is characterized in that the cross section of the island portion of aforementioned island-in-sea type composite fiber is formed
For the flat pattern of the major diameter bigger compared with minor axis, formed the peripheral surface forming portion of the peripheral surface of aforementioned island-in-sea type composite fiber only by
Extra large portion is constituted, in the cross section of the island-in-sea type composite fiber, the minor axis Dis of aforementioned island portion and the extra large portion of aforementioned peripheral surface forming portion
The ratio Ts/Dis of thickness Ts is 1.2 or more.Ratio Ts/Dis is preferably 1.5 or more, more preferably 2.0 or more.
In such brush batt material according to the present invention, by being set as the length direction one in island-in-sea type composite fiber
(as described later, for brush batt material when for brush, there are an ends of batt material to be formed for a end or two ends
Both the case where the case where hair front end and two ends form hair front end) the brush batt material structure exposed of island portion, and it is clear
The thin island portion for being essentially only the composite fibre exposed in batt material front end that object is in direct contact is swept, which is formed in root
By the form that the extra large portion of composite fibre supports, therefore a mao front end is constituted by the weaker multiple exposing island portions of toughness, such as to tooth
The tiny position that between cog etc. is difficult to clean also shows excellent cleaning, and it is the weak dew of toughness to be contacted with by cleaning material
Go out island portion, therefore, it is difficult to injure to be obtained soft sense of touch by cleaning material.Also, these island portions, particularly expose island portion it is transversal
Face is formed as the flat pattern of the major diameter bigger compared with minor axis, therefore can easily have dirt and clear away required elasticity,
And the front end of flat pattern has the function of doctor-like, can play excellent dirt cleaning effect, particularly excellent
Dirt scraping effect.Also, the peripheral surface forming portion for the peripheral surface to form island-in-sea type composite fiber is set only to be made of extra large portion, and sea
In the cross section of island composite fibre, close to the minor axis Dis and peripheral surface shape of the island portion of the above-mentioned flat pattern of peripheral surface forming portion
Ratio Ts/Dis at the thickness Ts in the extra large portion in portion is 1.2 or more, as a result, close to the island portion of the flat pattern of peripheral surface forming portion
Near the root for the above-mentioned exposing island portion that it exposes is with its at position (position of composite fibre side), it is prescribed thickness or more
Extra large portion's covering, when applying external force to exposing island portion, it is therefore prevented that make support expose the extra large portion cracking of island portion because of the external force, significantly carry
The high durability of brush batt material.In other words, the island portion of the flat pattern of island-in-sea type composite fiber is in the island-in-sea type composite fiber
Cross section in lay particular stress on be present in other than the peripheral surface forming portion of above-mentioned specific thickness or more formed by extra large portion close to center
The position in portion, island portion existing for the weighting are formed in the form of batt material front end exposing, therefore are applied flexibly by exposing island portion
Do not injured by the characteristics such as the flexible touch of cleaning material and obtain including dirt clear away performance including excellent cleaning
This advantage of effect, meanwhile, it is realized by the peripheral surface forming portion formed by extra large portion more than specific thickness excellent durable
Property.
For the brush batt material involved by aforementioned present invention, major diameter/minor axis of the island portion as above-mentioned flat pattern
Than preferably 2 or more, more preferably 3 or more, further preferably 5 or more.By make island portion major diameter/minor axis ratio be 2 with
On, dirt cleaning function is improved by the shape of doctor-like, the cleaning including dirt cleaning performance further carries
It is high.
In addition, for the brush batt material involved by aforementioned present invention, as the length in above-mentioned island-in-sea type composite fiber
The exposed length for the island portion that one, direction end or two ends are exposed, be preferably in 0.5 ~ 10mm range, more preferably 1 ~
The range of 5mm.If the exposed length of island portion is shorter than 0.5mm, it is difficult to the tiny portion such as obtain between tooth by exposing island portion
The excellent cleaning of position, in addition, being also difficult to obtain good flexible touch.If the exposed length of island portion is longer than 10mm,
The weaker exposing island portion of toughness is possible to long, exposes island portion excessive deformation and is cleaned as obtained from exposing island portion to generate
The insufficient possibility of massage effect of effect (such as effect of cleaning dirt), gum etc..
In addition, for the brush batt material involved by aforementioned present invention, the minor axis Dis of the island portion of above-mentioned flat pattern is excellent
Range of the choosing in 10 ~ 300 μm of range, more preferably 20 ~ 100 μm.If the minor axis Dis of the island portion of the flat pattern is less than
10 μm, then the toughness of the exposing island portion become too weak, it is possible to be difficult to be utilized the dirt for the doctor-like shape for exposing island portion
Clear away the required ductile strength of effect.If the minor axis Dis of the island portion of flat pattern is more than 300 μm, expose the tough of island portion
Property is become too strong, it is difficult to the excellent cleaning at tiny position such as obtain between tooth, in addition, it is also possible to be difficult to obtain softness
Sense of touch.It should be noted that the minor axis Dis of the island portion about the flat pattern, all island portions can be not identical minor axis.
In addition, the quantity of the island portion as the above-mentioned flat pattern in the cross section of above-mentioned island-in-sea type composite fiber, preferably 3
Above, 5 or more, further preferably 7 or more are more preferably.But it is also possible to which the quantity of the island portion of the flat pattern is set as
2.By the way that the quantity of the island portion of the flat pattern is set as 3 or more, the dirt using the exposing island portion can be effectively shown
Effect is cleared away, while improving cleaning property conscientiously, in the case ofs requiring to keep the performance etc. of cosmetics etc., is also easy hair
Shoot these performances.
In addition, for the brush batt material involved by aforementioned present invention, it is excellent as the diameter of above-mentioned island-in-sea type composite fiber
Range of the choosing in 50 ~ 1,000 μm of range, more preferably 80 ~ 500 μm.If the diameter of island-in-sea type composite fiber is less than 50 μm,
The island-in-sea type composite fiber portion toughness of itself when being then used for brush becomes too weak, and according to purposes, cleans effect and is likely to decrease.Such as
The diameter of fruit island-in-sea type composite fiber is more than 1,000 μm, then the island-in-sea type composite fiber portion toughness of itself when being used for brush became
By force, although it is different and different according to the form of the exposing island portion of front end, expose the island-in-sea type composite fiber at the root of island portion
Portion is squeezed strongly by cleaning material side, it is possible to being easy injury by cleaning material.
In addition, for brush batt material according to the present invention, as the resin kind for constituting above-mentioned island-in-sea type composite fiber
Class 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
The extra large portion of island-in-sea type composite fiber is made of polyester based resin, island portion by compared with the polyester based resin medicament dissolution speed it is slower
The form that resin is constituted.More specifically, the portion of going to sea is may be exemplified by polybutylene terephthalate (PBT), island portion by nylon (note
Volume trade mark) constitute form；Extra large portion is made of polyethylene terephthalate, island portion polybutylene terephthalate (PBT)
Form.
In addition, for brush batt material according to the present invention, the cross-sectional shape essence of above-mentioned island-in-sea type composite fiber
On can be set as arbitrary shape, other than cross-sectional shape is formed as circular form, can also use and be formed as round
Any one in the form of shaped cross-section (such as the polygons such as triangle, quadrangle, multi-leaf-shaped etc.) in addition.The cross section
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 configuration of the island portion of flat pattern about above-mentioned island-in-sea type composite fiber, as long as meeting aforementioned only by extra large portion
The condition of the peripheral surface forming portion of composition, then it is also such shown in various forms example as be described hereinafter, can be substantially arbitrary configuration.
Further, it is also possible to for form existing for various configurations Hybrid.About the configuration, can be fitted according to purposes, using purpose
Work as setting.
In addition, for brush batt material according to the present invention, can also make in the end of above-mentioned island-in-sea type composite fiber
The front end for the island portion exposed at (end or two ends) is formed as the thin conical by its shape in front end, can also be formed as straight
The shape of the cross-sectional shape of the island portion in island-in-sea type composite fiber is substantially maintained to the front end for exposing island portion.Make exposing island portion
Front end be formed as the thin conical by its shape in front end form can for example, by with for dissolving medicament solution rate faster
Resin constitute sea portion, with solution rate it is slower resin composition island portion to realize.It is formed until exposing the front end of island portion
Substantially maintain the form of the cross-sectional shape of the island portion of flat pattern can be for example, by only sea portion with for dissolving medicament
The resin of dissolving constitutes and constitutes island portion with for the undissolved resin of the medicament to realize.
Further, for brush batt material according to the present invention, above-mentioned island-in-sea type composite fiber can also have material
Island portion different from each other.Further, further, it is also possible to which the shape of the island portion with multiple cross sectional dimensions different from each other is made
State.Like this, by with a variety of island portions, additionally it is possible to have both multiple functions.
The present invention also provides the brush at least partly using above-mentioned brush batt material according to the present invention.Especially
Ground, brush according to the present invention, which uses, has both as described above do not injure by characteristics such as the flexible touch of cleaning material and including dirt
Excellent cleaning including dirt cleaning performance, and the batt material of excellent in te pins of durability, therefore particularly suitable as dirt, tartar
Cleaning have excellent performance toothbrush, accurate washing brush, brush for washing face, cosmetic brush etc..
For such brush according to the present invention, though it is different and different according to its purposes, as preferred brush
Staple length (length of brush root to hair front end) range, the range that may be exemplified out 1 ~ 50mm, more preferably 1 ~ 20mm
The range of range, further preferably 5 ~ 15mm.
Brush batt material according to the present invention as described above can use especially as remembered in aforementioned patent literature 4
Technology of the island portion relative to the size in extra large portion, configuration, cross sectional shape, configuration density etc. substantially can be freely designed as load
And it intentionally makes.Alternatively, the known island composite spinning jete using so-called pipeline type can also be used (by island component
Pass through the fine Ground Split of pipeline group and the spinning head that makes it be distributed with specified states in sea component) make the compound fibre in island
The technology of dimension, to intentionally make.But it can be more easily and more high-precision using the technology described in aforementioned patent literature 4
Degree ground makes target island-in-sea type composite fiber, so more preferably.
The effect of invention
Like this, it does not injure by characteristics such as the flexible touch of cleaning material and is swept including dirt in accordance with the invention it is possible to provide and have both
Except the excellent cleaning including performance and can prevent island portion stripping, keep island portion extra large portion cracking durability
Excellent brush batt material.
In addition, according to the present invention it is possible to provide at least partly use brush batt material as described above various brushes,
Can especially provide be suitable as toothbrush, accurate washing brush, brush for washing face, cosmetic brush etc. brush.
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
(being 2 kinds of resins in illustrated example) constitutes, is circular island-in-sea type composite fiber, sea by the cross-sectional shape that extra large portion 2 and island portion 3 are constituted
(Fig. 1 (A) only shows an end of the batt material 1 for one end of length direction of island composite fibre 4 or the island portion 3 of two ends
Portion) exposing (island portion of exposing 3 is partially shown as exposing island portion 3a below).Island-in-sea type composite fiber 4 is such as shown in Fig. 1 (B)
Like that, the cross section of island portion 3 is formed as the flat pattern of the major diameter bigger compared with minor axis, forms the periphery of island-in-sea type composite fiber 4
The peripheral surface forming portion 5 in face is only made of extra large portion.Also, in the cross section of island-in-sea type composite fiber 4, the island portion of above-mentioned flat pattern
The ratio Ts/Dis of 3 minor axis Dis and the thickness Ts in the extra large portion of peripheral surface forming portion 5 are 1.2 or more.In illustrated example, Suo Youdao
Portion 3 is formed as the island portion 3 of flat pattern, and each island portion 3 makes the direction of flat pattern be the same direction and be arranged in parallel with each other.
More specifically, 3 minor axis Dis having the same of each island portion is amounted to and 5 length island portion 3 different from each other is arranged.For pancake
Various forms may be used as described later with set direction in the island portion 3 of shape.
The brush as shown in Fig. 1 (B), forms the peripheral surface of the peripheral surface of island-in-sea type composite fiber 4 in batt material 1
Forming portion 5 is only made of extra large portion 2, and the island portion 3 of the flat pattern of the island-in-sea type composite fiber 4 is in the transversal of the island-in-sea type composite fiber 4
In face, the position for the close central portion being present in other than peripheral surface forming portion 5 is laid particular stress on.Also, island-in-sea type composite fiber 4 is made, is made
It obtains in the cross section of island-in-sea type composite fiber 4, the ratio of the thickness Ts in the minor axis Dis of island portion 3 and the extra large portion of peripheral surface forming portion 5
Ts/Dis reaches 1.2 or more, preferably 1.5 or more, further preferred 2.0 or more.The island-in-sea type composite fiber 4 of such form can be with
Using substantially can freely be designed as described in aforementioned patent literature 4 island portion relative to the size in extra large portion, configuration, cut
The technology of face shape, configuration density etc. and intentionally make.More specifically, can using following composite spinning jetes come make by
The island-in-sea type composite fiber as described above 4 that the different resin of more than two kinds of medicament dissolution speed is constituted, the composite spinning jete are
Composite spinning jete for spraying the composite polymeric logistics being made of polymer more than at least two kinds of ingredients, has：With pair
The metering plate for multiple dip hatches that each component of polymer is measured will carried out from the ejection polymer flow of multiple dip hatches
The distribution plate 1 of multiple dispensing orifices 1 is equipped on the interflow slot 1 at interflow, will be from multiple ejection polymer of aforementioned dispensing orifice 1
It is equipped with the distribution plate 2 of multiple dispensing orifices 2 on the interflow slot 2 that stream is collaborated, further will come from upstream side as needed
Dispensing orifice the interflow slot that is collaborated of multiple ejection polymer flows on be equipped with later point of distribution plate 3 of multiple dispensing orifices
Matching board and the ejection plate that the polymer of the distribution plate from most downstream side sprays (is illustrated this in patent document 4
The various forms of the composite spinning jete of sample).Using such manufacturing technology, especially can easily make exposing island portion 3a to
The flat pattern of prestige is formed as the island portion of the shape of doctor-like, and being capable of steadily spinning.Using the island-in-sea type composite fiber 4,
Brush batt material 1 as described above can be manufactured.Alternatively, can also be as described above, use known so-called pipeline
Island component (by the fine Ground Split of pipeline group and is made it in sea component with specified states point by the island composite spinning jete of type
The spinning head of cloth) make island-in-sea type composite fiber 4.
In addition, 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.Island is multiple
Condensating fiber 4 is formed by the different extra large portion 2 of medicament dissolution speed (such as solution rate based on alkali process) and uses 3 shape of resin and island portion
It is constituted at this 2 kinds of resins with resin, thus, for example being used as the poly terephthalic acid fourth two of the polyester based resin dissolved in alkali
Alcohol ester (PBT) forms sea portion 2, and the nylon (Ny) (registered trademark) for being used as the undissolved resin in alkali forms island portion 3, by this
The length direction end of island-in-sea type composite fiber 4 only carries out alkali process to only keep the extra large portion 2 of the end sections molten with specific length
The end sections as shown in Fig. 1 (A) with the brush batt material 1 for exposing island portion 3a are consequently formed in solution.It carries out at alkali
Reason and only dissolve extra large portion 2 and the above-mentioned specific length of the processing that remains undissolved island portion 3 becomes the exposing for exposing island portion 3a
Length.The 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, also directly remain in the flat pattern of the island portion 3 in island-in-sea type composite fiber 4, expose island portion 3a from
Its root is until front end is formed as identical cross-sectional shape.Particularly, with the minor axis Dis of island portion 3 and peripheral surface forming portion 5
The ratio Ts/Dis of thickness Ts in extra large portion reach 1.2 or more mode and formed.Preferred scope, sea for ratio Ts/Dis
The preferred scope of the preferred scope of the quantity of island portion 3 in the cross section of island composite fibre 4, the diameter of island-in-sea type composite fiber 4, such as
It is preceding described.
In order to make various brushes and at least partly using the brush constituted as described above batt material 1.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
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 are the structures of thin and thin exposing island portion 3a for end, are made of the weaker multiple exposing island portion 3a of toughness and are connect with by cleaning material
Tactile hair front end, it is difficult to which injury obtains soft sense of touch by cleaning material, while being difficult between tooth etc. the tiny position cleaned
Show excellent cleaning (excellent dirt scans out performance, dirt cleaning performance).Also, it is formed by the way that island portion 3a will be exposed
For the island portion of flat pattern, the function of excellent doctor-like is shown, dirt, tartar are scraped by its front end well, is realized
Further excellent cleaning.In addition, by by the minor axis of the thickness Ts of peripheral surface forming portion 5 and the island portion 3 of flat pattern
The ratio Ts/Dis of Dis is set as 1.2 or more, and the exposing island portion 3a of flat pattern is in its root to be covered by the extra large portion 2 of abundant thickness
The state of lid and be supported, even if to expose island portion 3a apply external force repeatedly in the case of, also prevent drawing because of the external force
The extra large portion 2 that island portion 3a is exposed in the support risen cracks, and realizes the high-durability of brush batt material 1.
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, in the exposing island portion 23 that the end of brush batt material 21 is exposed from island-in-sea type composite fiber 22, 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 for forming the part for exposing island portion 23 is crossed, the extra large portion exposed around island portion 23 is removed using fast solution rate,
Expose island portion 23 to remain, but utilize slow solution rate slow mechanism dissolved by alkali process, is formed as the thin conical by its shape in front end.
In addition, being influenced by the alkali process of the end of the island-in-sea type composite fiber 22, it is connect and remaining position with exposing island portion 23
Island-in-sea type composite fiber 22 shoulder at, attached as illustrated arc-shaped, form smoother shape.
Have the brush batt material 21 that such front end is formed as the exposing island portion 23 of the thin conical by its shape in front end,
Identically as embodiment 1 above-mentioned, it is difficult to which injury obtains soft sense of touch, and also show tiny position by cleaning material
Go out excellent cleaning, and obtains excellent durability.Also, the pancake for being formed as doctor-like by the way that island portion 23 will be exposed
The island portion of shape scrapes dirt, tartar well by the front end of the exposing island portion 23 of the flat pattern of the doctor-like, show into
The excellent cleaning of one step.In addition, compared with embodiment 1 above-mentioned, the front end due to exposing island portion 23 becomes sharp, because
This 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 being composed so that：In the cross section of island-in-sea type composite fiber
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 island portion weighting is present in peripheral surface forming portion
The position of close central portion in addition, the cross section of island portion are formed as the flat pattern of the major diameter bigger compared with minor axis, island portion
The ratio Ts/Dis of the thickness Ts in the extra large portion of minor axis Dis and aforementioned peripheral surface forming portion reaches 1.2 or more, then is used as island compound
Various cross section shapes may be used in fiber.Various forms are exemplified in Fig. 4, Fig. 5.
Brush shown in Fig. 4 (A), substantially with homomorphosis shown in Fig. 1 (B), is formed to have extra large portion with batt material 31
32 and flat pattern island portion 33 island-in-sea type composite fiber 34, and with the periphery more than specific thickness being only made of extra large portion
Face forming portion 35.The brush island portion 43 in batt material 41, being formed to have extra large portion 42 and flat pattern shown in Fig. 4 (B)
Island-in-sea type composite fiber 44, and with peripheral surface the forming portion 45 more than specific thickness being only made of extra large portion, with Fig. 4 (A) institute
The form shown is compared, and the quantity of the island portion 43 of flat pattern is set as 6, and each island portion 43 is compound towards island with its major diameter direction
The radial direction of fiber 44 is configured.Brush shown in Fig. 4 (C) is in batt material 51, being formed to have extra large portion 52 and flat
The island-in-sea type composite fiber 54 of the island portion 53 of shape, and with peripheral surface the forming portion more than specific thickness being only made of extra large portion
55, compared with form shown in Fig. 4 (B), the quantity of the island portion 53 of flat pattern is set as 4.Brush rough lumber shown in Fig. 4 (D)
In material 61, it is formed to have the island-in-sea type composite fiber 64 of the island portion 63 of extra large portion 62 and flat pattern, and with only by extra large portion's structure
At specific thickness more than peripheral surface forming portion 65, compared with form shown in Fig. 4 (B), the number of the island portion 53 of flat pattern
Amount is set as 3.
In addition, the brush island portion 73 in batt material 71, being formed to have extra large portion 72 and flat pattern shown in Fig. 4 (E)
Island-in-sea type composite fiber 64, and with peripheral surface the forming portion 75 more than specific thickness being only made of extra large portion, with Fig. 4 (C)
Shown in form compare, each island portion 73 of flat pattern is configured along the extending direction of peripheral surface forming portion 75.Fig. 4 (F)
Shown in the brush island portion 83 in batt material 81, being formed to have extra large portion 82 and flat pattern island-in-sea type composite fiber 84, and
And with peripheral surface the forming portion 85 more than specific thickness being only made of extra large portion, compared with form shown in Fig. 4 (E), along
The shape of the island portion 83 for the flat pattern that the extending direction of peripheral surface forming portion 85 is configured is with along overseas circumferential surface forming portion
The mode of 85 extending direction bending is formed.Brush shown in Fig. 4 (G) is in batt material 91, being formed to have extra large portion 92 and flat
The island-in-sea type composite fiber 94 of the island portion 93 of flat shape shape, and formed with the peripheral surface more than specific thickness being only made of extra large portion
Portion 95, compared with form shown in Fig. 4 (F), the bending direction of the shape of each island portion 93 of flat pattern is set as and Fig. 4 (F) institute
The opposite direction of the bending direction that shows.Brush shown in Fig. 4 (H) is in batt material 101, being formed to have extra large portion 102 and flat
The island-in-sea type composite fiber 104 of the island portion 103 of shape, and formed with the peripheral surface more than specific thickness being only made of extra large portion
Portion 105, compared with form shown in Fig. 4 (C), the island portion 103 of flat pattern is formed as thinner (minor axis smaller) and along island
The shape that the radial direction bending of composite fibre 104 extends.
In addition, brush shown in Fig. 4 (I) is formed to have the island portion of extra large portion 112 and flat pattern in batt material 111
113 island-in-sea type composite fiber 114, and with peripheral surface the forming portion 115 more than specific thickness being only made of extra large portion, with figure
Form is compared shown in 4 (E), and the island portion 113 of flat pattern is thicker (minor axis bigger), and the number of the island portion 113 of flat pattern
Amount is set as 2.The brush island portion 123 in batt material 121, being formed to have extra large portion 122 and flat pattern shown in Fig. 4 (J)
Island-in-sea type composite fiber 124, and with peripheral surface the forming portion 125 more than specific thickness being only made of extra large portion, with Fig. 4 (I)
Shown in form compare, the island portion 123 of flat pattern forms thicker and longer, two ends of island portion 123 extend up to
The position that peripheral surface forming portion 125 is in contact.Further, brush shown in Fig. 4 (K) is formed to have sea in batt material 131
The island-in-sea type composite fiber 134 of the island portion 133 of portion 132 and flat pattern, and with the specific thickness being only made of extra large portion more than
Peripheral surface forming portion 135, in the island portion 133 of flat pattern, splay 2 one group of island portion 133 will be configured to four groups
Form is configured, and the quantity of the island portion 133 of flat pattern is set as total 8.
Further, in Fig. 5, the various cross-sectional shapes of island-in-sea type composite fiber itself are instantiated.Brush shown in Fig. 5 (A)
With the island-in-sea type composite fiber 144 for the island portion 143 in batt material 141, being formed to have extra large portion 142 and flat pattern, and have
The peripheral surface forming portion 145 more than specific thickness being only made of extra large portion, the cross-sectional shape (shape of island-in-sea type composite fiber 144
Cross-sectional shape) be formed as triangle, the configuring area of the island portion 143 of the flat pattern configured in parallel with each other is again formed as three
Angular region.The brush island portion 153 in batt material 151, being formed to have extra large portion 152 and flat pattern shown in Fig. 5 (B)
Island-in-sea type composite fiber 154, and with peripheral surface the forming portion 155 more than specific thickness being only made of extra large portion, island is multiple
The cross-sectional shape (shaped cross section shape) of condensating fiber 154 is formed as quadrangle, the flat pattern configured in parallel with each other
The configuring area of island portion 153 is again formed as the region of quadrangle.Brush shown in Fig. 5 (C) is formed as having in batt material 161
There is the island-in-sea type composite fiber 164 of the island portion 163 of extra large portion 162 and flat pattern, and with the specific thickness being only made of extra large portion
The cross-sectional shape (shaped cross section shape) of above peripheral surface forming portion 165, island-in-sea type composite fiber 164 is formed as three leaves
The configuring area of shape, the island portion 163 of the flat pattern configured in parallel with each other is formed as circular region.It is brushed shown in Fig. 5 (D)
In son batt material 171, it is formed to have the island-in-sea type composite fiber 174 of the island portion 173 of extra large portion 172 and flat pattern, and have
There are the peripheral surface forming portion 175 of the specific thickness being only made of extra large portion or more, the cross-sectional shape of island-in-sea type composite fiber 174 (outer
Shape cross-sectional shape) be formed as five leaf, the configuring area of the island portion 173 of the flat pattern configured in parallel with each other is formed as round
The region of shape.Like this, the cross-sectional shape of island-in-sea type composite fiber can also use various forms.
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, illustrating 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
Described in table 2, to being set in such a way that island portion is formed as flat pattern and lays particular stress on the position being present in extra large portion close to central portion
The islands-in-sea bicomponent fibre of meter 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, it is then, real in xeothermic atmosphere
Relaxation thermal finalization is applied 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 for each toothbrush of gained, conducts the following evaluation, 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 backteeth 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 side of hair opening rate
In method, the transverse width with the brush section under original state is Amm, is Bmm with the transverse width after sliding, 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, tongue brush, washing 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
31,41,51,61,71,81,91,101,111,121.131,141,151,161,171 brush batt material
32,42,52,62,72,82,92,102,112,122.132,142,152,162,172 sea portion
33, the island portion of 43,53,63,73,83,93,103,113,123.133,143,153,163,173 flat patterns
34,44,54,64,74,84,94,104,114,124.134,144,154,164,174 island-in-sea type composite fiber
35,45,55,65,75,85,95,105,115,125.135,145,155,165,175 peripheral surface forming portion.
Claims (5)
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 institute
The cross section for stating the island portion of island-in-sea type composite fiber is formed as the flat pattern of the major diameter bigger compared with minor axis, and it is multiple to form the island
The peripheral surface forming portion of the peripheral surface of condensating fiber is only made of extra large portion, in the cross section of the island-in-sea type composite fiber, the island portion
The ratio Ts/Dis of the thickness Ts in the extra large portion of minor axis Dis and the peripheral surface forming portion is 1.2 or more.
2. brush batt material according to claim 1, wherein the major diameter of the island portion/minor axis ratio is 2 or more.
3. brush batt material according to claim 1 or 2, wherein the minor axis Dis of the island portion is in 10 ~ 300 μm
Range.
4. according to brush batt material as claimed in any one of claims 1 to 3, wherein the cross section of the island-in-sea type composite fiber
In the island portion quantity be 3 or more.
5. brush at least partly uses the brush batt material described in any one of claim 1 ~ 4.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015254205 | 2015-12-25 | ||
| JP2015-254205 | 2015-12-25 | ||
| PCT/JP2016/088360 WO2017111011A1 (en) | 2015-12-25 | 2016-12-22 | Brush bristle material, and brush using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108495576A true CN108495576A (en) | 2018-09-04 |
Family
ID=59091055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680076068.5A Pending CN108495576A (en) | 2015-12-25 | 2016-12-22 | Brush batt material and use its brush |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6903002B2 (en) |
| KR (1) | KR20180098290A (en) |
| CN (1) | CN108495576A (en) |
| TW (1) | TWI740875B (en) |
| WO (1) | WO2017111011A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113403703A (en) * | 2021-05-12 | 2021-09-17 | 江苏嘉通能源有限公司 | Preparation method of quadrilateral high-hollowness polyester staple fiber |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CA2631552A1 (en) * | 2005-12-02 | 2007-06-07 | Sunstar Suisse Sa | A toothbrush made of synthetic resin |
| JP2010194150A (en) * | 2009-02-26 | 2010-09-09 | Toray Monofilament Co Ltd | Bristle material for toothbrush, and toothbrush |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87101867A (en) * | 1987-03-09 | 1988-09-21 | 王龄 | Miniature ionic oral therapeutic device |
| JP2623858B2 (en) | 1989-09-12 | 1997-06-25 | 東レ株式会社 | Brush fibers and brushes |
| CN200969979Y (en) * | 2006-11-10 | 2007-11-07 | 宁波三邦日用品有限公司 | Soft cleaning head |
| JP5401162B2 (en) | 2009-04-27 | 2014-01-29 | ライオン株式会社 | Toothbrush bristle and toothbrush |
| JP5703785B2 (en) | 2010-01-29 | 2015-04-22 | 東レ株式会社 | Compound base |
| JP2011218088A (en) | 2010-04-14 | 2011-11-04 | Toray Monofilament Co Ltd | Bristle material for brush and brush |
| US10604866B2 (en) * | 2014-02-25 | 2020-03-31 | Toray Industries, Inc. | Sea-island composite fiber, composite ultra-fine fiber, and fiber product |
-
2016
- 2016-12-22 CN CN201680076068.5A patent/CN108495576A/en active Pending
- 2016-12-22 KR KR1020187019637A patent/KR20180098290A/en unknown
- 2016-12-22 WO PCT/JP2016/088360 patent/WO2017111011A1/en active Application Filing
- 2016-12-22 JP JP2017508120A patent/JP6903002B2/en active Active
- 2016-12-23 TW TW105142867A patent/TWI740875B/en active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CA2631552A1 (en) * | 2005-12-02 | 2007-06-07 | Sunstar Suisse Sa | A toothbrush made of synthetic resin |
| JP2010194150A (en) * | 2009-02-26 | 2010-09-09 | Toray Monofilament Co Ltd | Bristle material for toothbrush, and toothbrush |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20180098290A (en) | 2018-09-03 |
| WO2017111011A1 (en) | 2017-06-29 |
| TW201729723A (en) | 2017-09-01 |
| JPWO2017111011A1 (en) | 2018-10-11 |
| JP6903002B2 (en) | 2021-07-14 |
| TWI740875B (en) | 2021-10-01 |
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Application publication date: 20180904 |