CN104136670B - The manufacture method of conjugated fibre, polyurethane elastomer cloth and silk and polyurethane elastomer cloth and silk - Google Patents
The manufacture method of conjugated fibre, polyurethane elastomer cloth and silk and polyurethane elastomer cloth and silk Download PDFInfo
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- CN104136670B CN104136670B CN201380007462.XA CN201380007462A CN104136670B CN 104136670 B CN104136670 B CN 104136670B CN 201380007462 A CN201380007462 A CN 201380007462A CN 104136670 B CN104136670 B CN 104136670B
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/16—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds as constituent
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/56—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads elastic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
- D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
- D06H7/22—Severing by heat or by chemical agents
- D06H7/226—Severing by heat or by chemical agents by chemical agents
- D06H7/228—Severing by heat or by chemical agents by chemical agents using dissolvable separator yarns
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06Q—DECORATING TEXTILES
- D06Q1/00—Decorating textiles
- D06Q1/02—Producing patterns by locally destroying or modifying the fibres of a web by chemical actions, e.g. making translucent
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/70—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyurethanes
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/06—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2929—Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/40—Knit fabric [i.e., knit strand or strip material]
Abstract
The present invention provides a kind of conjugated fibre that can form cloth and silk human body being given to good wearing feeling. Described conjugated fibre is that the polyurethane elastomer within the scope of 15 DEG C��50 DEG C (A composition) and soluble thermoplastic polymer hot in nature (B component) are formed by second-order transition temperature, in fibre section, A becomes to be divided into core, and coated more than the 70% of A composition overall circumference of B component. Described B component can be soluble property polyester, thermoplastic polyvinyl alcohol base polymer etc. In addition, the compound ratio (mass ratio) of A composition and B component can be A:B=90:10��40:60.
Description
Association application
The application advocates in the right of priority of on January 31st, 2012 at the Japanese Patent Application 2012-017550 of Japanese publication, and its whole content is quoted as with reference to the part forming the application.
Technical field
The present invention relates to a kind of conjugated fibre that can form cloth and silk human body being given to good wearing feeling.
Background technology
At present, it is known that have the foam being made up of the polymkeric substance with shape memory. These foaies deform under starting the temperature of more than the second-order transition temperatures such as temperature in such as polymer flow, keep this state to be cooled to below second-order transition temperature, thus desired shape is memorized. Such as, patent documentation 1 discloses a kind of foamed resin product having shape-following-up properties, its second-order transition temperature is 10��35 DEG C, loss tangent in the temperature range of 10��35 DEG C is 0.20��0.80, and the ratio of the maximum value of storage modulus (G ') (G ' max) and minimum value (G ' min) (G ' max/G ' min) it is 3.0��30.
On the other hand, the cloth being dressed in human body is required good wearing feeling. Such as, Patent Document 2 discloses a kind of cloth, its second-order transition temperature is in the scope of 15 DEG C��35 DEG C, the peak value of mechanics dynamic loss angle tangent value in the scope of above-mentioned second-order transition temperature, the peak value of above-mentioned mechanics dynamic loss angle tangent value be more than 0.2 and less than 1.0, and describe this cloth and manufacture by monofilament cladding wire, described monofilament cladding wire by naked silk of specific polyurethane elastomer, taking nylon for cladding wire.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2009-35697 publication (claim 1, [0009]��[0013] section)
Patent documentation 2: Japanese Unexamined Patent Publication 2011-149108 publication (claim 1 and [0025]��[0034] section)
Summary of the invention
The problem that invention to be solved
But, the foamed resin product having shape-following-up properties recorded in patent documentation 1 can be dressed in the body surface of human body, follows the shape of body surface, but this kind of foam can not follow the dynamic motion of human body.
On the other hand, the cloth recorded in patent documentation 2 can follow the dynamic motion of human body, but for the formation of this kind of cloth particular polyurethane elastomer yarn due to second-order transition temperature low, therefore, bad by property for the manufacture of the operation after the fibrosis operation of cloth and fibrosis, in fact this kind of polyurethane elastomer silk be difficult to make cloth.
Therefore, it is an object of the invention to provide a kind of cloth and silk being possible not only to human body dynamic motion to be had to the cloth of good wearing feeling, yarn fabric and non-woven fabrics for comprising, and operation when manufacturing cloth and silk is by the good silk of property.
The method dealt with problems
The silk being suitable for the cloth that the dynamic motion for human body gives good wearing feeling has been carried out various research by the present inventor etc., found that, in the specific polyurethane elastomer silk that human body is given good wearing feeling, in order to improve wearing feeling, the lower second-order transition temperature with specified range is important, but at it on the other hand, this kind have relatively lower glass transition temperatures when, fibrosis and cloth and silkization are very difficult. And, after further research, combine this polyurethane elastomer and particular thermal thermoplastic polymer, when covering the specified proportion of the surrounding of polyurethane elastomer with this thermoplastic polymer and carry out Composite, even if when using the polyurethane elastomer with relatively lower glass transition temperatures, fibrosis and cloth and silk can also be carried out well, thus complete the present invention.
Namely, the present invention is a kind of conjugated fibre, it is that the polyurethane elastomer within the scope of 15 DEG C��50 DEG C (A composition) and soluble thermoplastic polymer hot in nature (B component) are formed by second-order transition temperature, wherein, in fibre section, A becomes to be divided into core, and coated more than the 70% of A composition overall circumference of B component.
In described fiber, B component can be formed by least a kind be selected from soluble property polyester and thermoplastic polyvinyl alcohol base polymer.
In addition, the ultimate fibre fiber number of described conjugated fibre can be about 0.3��50dtex. In addition, the compound ratio (mass ratio) of A composition and B component can be about A:B=90:10��40:60.
As long as the composite structure of conjugated fibre meets the described coated ratio of B component, just it is not particularly limited, it is possible to there is various structure, but preferably to have A composition be core composition, B component is the core sheath structure of sheath composition.
In addition, the present invention also comprises the method manufacturing polyurethane elastomer cloth and silk, and it possesses following operation: preparatory process, prepares described conjugated fibre; Conjugated fibre cloth and silk production process, it may also be useful to described conjugated fibre makes the cloth and silk being made up of conjugated fibre; And removal step, from described cloth and silk, remove B component, obtain polyurethane elastomer cloth and silk.
In addition, it is also contained in the present invention with the polyurethane elastomer cloth and silk of aforesaid method manufacture. In this kind of cloth and silk, the ultimate fibre fiber number of the polyurethane elastomeric fiber forming cloth and silk can be 0.3��50dtex.
It should be noted that, the arbitrary combination of at least 2 kinds of integrants disclosed in claim and/or specification sheets and/or accompanying drawing is also contained in the present invention. The arbitrary combination of more than 2 of particularly described in claim claim is also contained in the present invention.
The effect of invention
In the present invention, combine specific polyurethane elastomer and specific thermoplastic polymer, they are carried out conjugate spinning with specific structure, therefore, even if when the polyurethane elastomer using second-order transition temperature lower, it is also possible to improve fiber operation.
In an embodiment of the invention, even if when ultimate fibre fiber number is low, it is also possible to obtain the conjugated fibre of spinnability excellence.
And, in the present invention, it is possible to be effectively manufactured on 15 DEG C��50 DEG C scope, preferably at 15��45 DEG C, more preferably the flexibility height at 15 DEG C��35 DEG C, the polyurethane elastomer cloth and silk that good wearing feeling and/or suitable sense can be given for the dynamic motion of human body.
Accompanying drawing explanation
By taking accompanying drawing as the explanation of following preferred implementation of reference, can clearly understand the present invention. But, enforcement mode and accompanying drawing just for diagram and explanation, are not used to determine the scope of the present invention. The scope of the present invention is determined by the claim book enclosed.
Fig. 1 is fibre section photo, and it illustrates an example of the conjugated fibre form for obtaining fiber of the present invention.
Fig. 2 is the figure of an example of the fibre section illustrating other fiber implementing mode of the present invention.
Fig. 3 is the figure of an example of the fibre section illustrating other fiber implementing mode of the present invention.
Fig. 4 is the figure of an example of the fibre section illustrating other fiber implementing mode of the present invention.
Embodiment
The present invention is described in detail below. The conjugated fibre of the present invention is made up of the polyurethane elastomer as A composition and the thermoplastic polymer soluble hot in nature as B component, and in fibre section, A becomes to be divided into core, and more than the 70% of the overall circumference of the coated A composition of B component.
A composition and B component can be compatible with each other at interface, but are preferably incompatible each other.
(A composition)
The polymkeric substance forming the A composition of conjugated fibre of the present invention is the polyurethane elastomer of second-order transition temperature within the scope of 15 DEG C��50 DEG C. As long as having the second-order transition temperature of this kind lower, polyurethane elastomer is just not particularly limited, the polyurethane elastomer with above-mentioned character such as can taking molar ratio computing as the ratio of 2.00��1.10:1.00:1.00��0.10 coordinate molecular weight be 160��310 2 officials can vulcabond, molecular weight be 400��2000 2 officials can polyvalent alcohols and molecular weight be the glycol of 60��400 or the chainextender of diamines, utilize prepolymer method to be polymerized.
As long as above-mentioned 2 functional isocyanate molecular weight are in the scope of 160��310, just suitably can select in the scope obtaining above-mentioned polyurethane elastomer, such as, as preferred 2 functional isocyanate, can enumerate: 2,4,4 '-diphenylmethane isocyanate of 4-tolylene diisocyanate, 4,4 '-diphenylmethanediisocyanate, carbodiimide modification, hexamethylene diisocyanate etc. These 2 functional isocyanate can be used alone or combinationally use.
As long as above-mentioned 2 officials' energy polyvalent alcohol molecular weight are in the scope of 400��2000, just suitably can select in the scope obtaining above-mentioned polyurethane elastomer, such as, as preferred 2 officials' energy polyvalent alcohols, can enumerate: the propylene oxide adduct etc. of polypropylene glycol, BDA 1,4 butanediol adipate, polytetramethylene glycol, polyoxyethylene glycol, dihydroxyphenyl propane. Above-mentioned 2 officials can polyvalent alcohols can with further with 2 officials can carboxylic acid or the reaction of ring-type ether and the form of reaction product that obtains uses, this kind of reaction product also can use by polyvalent alcohols as 2 officials. These 2 officials can be used alone or combinationally use by polyvalent alcohol.
As glycol and the diamines of above-mentioned chainextender, as long as molecular weight is in the scope of 60��400, just suitably can select in the scope obtaining above-mentioned polyurethane elastomer, such as, as the preference of glycol, can enumerate: ethylene glycol, 1,4-butyleneglycol, two (2-hydroxyethyl) Resorcinol, the ethylene oxide adduct of dihydroxyphenyl propane, the propylene oxide adduct etc. of dihydroxyphenyl propane. In addition, as the preference of diamines, can enumerate: quadrol, 1,2-propylene diamine, 1,3-propylene diamine, m-xylene diamine, p dimethylamine, 4,4 '-ditan diamines, tetrahydrobenzene diamines, 2,4-tolylene diamine, 2,6-tolylene diamine, hexamethylene-diamine etc. These chainextenders can be used alone or combinationally use.
Taking above-mentioned 2 functional isocyanate, 2 officials' energy polyvalent alcohols and chainextender as raw material, use catalyzer as required, utilize prepolymer method synthesis of polyurethane elastomerics. By synthesis, taking 2 functional isocyanate: 2 officials can polyvalent alcohols: the A composition that chainextender coordinates as the ratio of 2.00��1.10:1.00:1.00��0.10 is synthesized. It should be noted that, A composition can contain the various additives such as the matting agent such as titanium oxide, zinc oxide (light screening agent), oxidation inhibitor, UV light absorber as required. These additives can add in the polymer raw of A composition, it is also possible to the either phase at polymerization stage is added, it is possible to suitably uses can obtain having in the scope of the polyurethane elastomer of target property.
It is the polyurethane elastomer within the scope of 15 DEG C��50 DEG C as second-order transition temperature, the following commodity that such as SMPTECHNOLOGY company is commercially available.
SMPMM-2520 (Tg=25 �� 3 DEG C, 1,4-butyleneglycol)
SMPMM-3520 (Tg=35 �� 3 DEG C, 1,4-butyleneglycol)
SMPMM-4520 (Tg=45 �� 3 DEG C, 1,4-butyleneglycol)
SMPMA-2520 (Tg=25 �� 3 DEG C, 1,2-quadrol)
SMPMA-3520 (Tg=35 �� 3 DEG C, 1,2-quadrol)
SMPMA-4520 (Tg=45 �� 3 DEG C, 1,2-quadrol)
The A composition being polymerized is owing to second-order transition temperature is in the scope of 15 DEG C��50 DEG C, therefore, flexibility height under normal temperature, the second-order transition temperature of A composition is 15 DEG C��45 DEG C, be more preferably 15 DEG C��40 DEG C, in the scope that is particularly preferably 15��35 DEG C, in this situation, it is degree same with the surface temperature of human body, is suitable for human body, now, it is possible to consistent with the dynamic motion of human body and give comfortable wearing feeling and/or suitable sense.
At this, temperature when second-order transition temperature refers to that the mechanics physical property of macromolecular elastomer sharply changes, in the present invention, is defined as the temperature of mechanics dynamic loss angle tangent value (following, to be sometimes set to tan ��) peak value display. At this, tan �� is as out-of-phase modulus G during frequency 1Hz " it is defined relative to the tangent of the ratio (G "/G ') of storage modulus G '. It should be noted that, it is more preferable to second-order transition temperature (Tg), close to the shell temperature of human body, is set as in the 25 DEG C��scope of 40 DEG C, particularly 25 DEG C��35 DEG C.
(B component)
As soluble property (or the easy decomposability) thermoplastic polymer of the B component of conjugated fibre of the present invention, with melting spinning as above-mentioned A composition polyurethane elastomer compared with, as long as the material comparatively speaking solvent or reagent easily being dissolved or being decomposed, any material can be adopted.
As this kind of soluble property polymkeric substance, the thermoplastic polymer that water (comprising warm water), alkali, acid etc. can be utilized to dissolve, decompose can be enumerated, it is preferable that enumerate can dissolve relative to alkali, the soluble property polyester polymer that decomposes, the thermoplastic polyvinyl alcohol base polymer etc. that can dissolve relative to water, decompose.
When using soluble property polyester polymer, it is preferred to use the fireballing polyester of alkali dissolution. As soluble property polyester polymer, it is possible to adopt the copolyester of such as polar functionalities, aliphatic polyester etc.
As the copolyester of polar functionalities, the copolyester etc. ester being formed metal organic sulfonate compound (such as 5-sodium sulfo isophthalate, m-phthalic acid-5-potassium sulfonate etc.) 1��5 mole of %, polyalkylene glycol (poly-C1-4 aklylene glycol such as such as polypropylene glycol, polyoxyethylene glycol etc.) 5��30 quality % and the diol component used at present and dicarboxylic acid composition and carrying out copolymerization and formed can be enumerated.
As aliphatic polyester, can enumerate such as: poly(lactic acid); The polyester that the aliphatic diol such as poly-(EGS ethylene glycol succinate), poly-(succinic acid-butanediol ester), poly-(succinic acid-butanediol ester-altogether-tetramethylene adipate) and aliphatic carboxylic acid are formed; The polyhydroxycarboxyliacid acid such as poly-(two alkyd), poly-(3-hydroxybutyrate), poly-(3-hydroxypentanoic acid), poly-(6 hydroxycaproic acid); Poly-(6-caprolactone) or poly-(��-valerolactone) etc. poly-(��-hydroxy alkane acid ester) etc. In these aliphatic polyesters, it is preferable that poly(lactic acid), poly(lactic acid) can be poly-D-ALPHA-Hydroxypropionic acid, poly (l-lactic acid) or their mixture.
As soluble property polyester polymer, when more preferably such as flooding with bath raio 1:30 in 2% aqueous sodium hydroxide solution of 100 DEG C, within such as 60 minutes, preferably within 45 minutes, more preferably within 30 minutes, particularly preferably within 15 minutes, almost dissolve the alkali soluble property polyester of (decomposition) completely.
When using water insoluble thermoplastic polyvinyl alcohol based polymer as B polymer composition, the preferred viscometric degree of polymerization of polyvinyl alcohol polymer used is 200��500, saponification deg is 90��99.99 moles of % (preferably 95��99 moles of %), fusing point is the polyvinyl alcohol of 160��230 DEG C, it can be homopolymer, it can also be multipolymer, but from melt-spinning, water-soluble, the viewpoint of fibrous physical property is set out, preferred use ethene, the carbonatomss such as propylene be less than 4 alpha-olefin etc. carried out the polyethylene copolymer alcohol of 0.1��20 mole of % (preferably 5��15 moles of %) modification.
As water-soluble thermoplastic polyvinyl alcohol base polymer, when preference as flooded with bath raio 1:30 in the hot water of 100 DEG C, such as, within 60 minutes, preferably within 50 minutes, more preferably within 30 minutes, particularly preferably almost dissolve the thermoplastic polyvinyl alcohol base polymer of (decomposition) within 15 minutes completely.
(manufacture method of conjugated fibre)
In addition, as long as the combination of the conjugated fibre A component of polymer of the present invention and B polymer composition is determined, about conjugated fibre, it is possible to use existing known compined spinning apparatus carries out fibrosis. The method carrying out after carrying out melt-spinning with low speed, middling speed stretching can be used in, the direct spinning stretching method that carries out at a high speed, after spinning simultaneously or the arbitrary throwing method such as method carrying out Drawing and false twisting continuously manufacture.
In the conjugated fibre of the present invention, the preferred A:B of compound ratio of A composition polymkeric substance and B component polymkeric substance is 90:10��40:60 (mass ratio), more preferably 85:15��60:40 (mass ratio), regulates both ratios according to fiber shape. When A composition is too much, sometimes fibrosis operation, particularly carrying out fibrosis and producing bonding after reeling, therefore, the operation of production is deteriorated by property sometimes. On the other hand, when B component is too much, it is possible to cannot obtain becoming the good wearing feeling of the human body of product summary.
In the cross section of the conjugated fibre of the present invention, it is overall that B component does not need to cover fiber surface, but in order to guarantee fibrosis winding operation or winding after operability, production the operation property passed through, in fibre section, it is important that A becomes to be divided into more than the 70% of core and the coated A composition overall circumference of B component, more preferably coated more than 80%, it is particularly preferred to coated more than 90%.
With regard to the complex morphological of the present invention, as long as the scope removing B component, not producing crackle on A composition can be dissolved by alkaline purification, water treatment etc. simultaneously, it is possible to be same core pattern, core shift type, multi-core type. It can be the core-sheath-type composite structure of A composition as shown in Figure 1 to be core composition, B component be sheath composition, by core of the A composition shown in Fig. 2, B component be interrupted coated composite structure around it, the composite structure of the A composition of the coated triangular shape of the B component shown in Fig. 3. It should be noted that, the fibre section shape of A composition can be circular section shape, it is possible to think the shaped cross-section such as trilateral, partially flat, Multiblade. And, it is also possible to hollow portion is set in the inside of the A composition shown in Fig. 4, it is also possible to the various cross-sectional shapes such as hollow shape such as porous hollow making more than single hole hollow, diplopore hollow. Wherein, the core-sheath-type composite structure of conjugated fibre preferably has A composition to be core composition, B component be sheath composition.
The ultimate fibre fiber number of the conjugated fibre of the present invention suitably can set according to object, it does not have is particularly limited to, such as, can select from the scope of 0.3��50dtex (preferably 0.3��40dtex). But, from the view point of improve the suitable sense to human body, it is preferable that the ultimate fibre fiber number of 0.3��10dtex (preferably 0.3��5dtex). It should be noted that, in the conjugated fibre of the present invention, it is possible to prevent fracture of wire, and obtain the fine-titred fiber of below 6dtex. These fibers not only can be used as macrofiber and use, and can be used as staple fibre or chopped strand use.
The conjugated fibre of the present invention obtained as mentioned above can be used as various fiber assembly (fiber structure). At this, fiber assembly can enumerate the cloth and silks etc. such as various cloth, non-woven fabrics.
It should be noted that, usually by removing B component from these fiber assemblies, it is possible to obtain the finished product (i.e. polyurethane elastomer cloth and silk) used relative to human body.
Such as, this kind of polyurethane elastomer cloth and silk can obtain by possessing the manufacture method of following operation, that is, preparatory process, prepares above-mentioned conjugated fibre; Conjugated fibre cloth and silk production process, it may also be useful to above-mentioned fiber makes the cloth and silk being made up of conjugated fibre; Removal step, removes B component and obtain polyurethane elastomer cloth and silk from above-mentioned cloth and silk.
It should be noted that, above-mentioned conjugated fibre cloth and silk can be formed separately by the conjugated fibre of the present invention, can also for partly employing cloth or the non-woven fabrics of the conjugated fibre of the present invention, such as intertexture with other fibers such as natural fiber, man-made fiber, synthon is weaved cotton cloth, or it is used as blended ratio, the mixed cloth knitting silk, mixed cotton non-woven fabrics etc. Such as, when using with other fiber combinations, the ratio of the A composition of the conjugated fibre of the present invention shared by knitted woven item or non-woven fabrics can be such as more than 14 quality %, can be preferably more than 15 quality %, preferably more than 18 quality %, it is more preferable to more than 23 quality %. In addition, as blended ratio, mixed knit silk when, the ratio of the A composition in it can be such as 14��95 quality %, can be preferably more than 20 quality %, it is preferable that more than 30 quality %, it is more preferable to more than 40 quality %.
The polyurethane elastomer cloth and silk removing B component and obtain from conjugated fibre cloth and silk by alkaline purification, water treatment etc. is owing to second-order transition temperature is close to human body surface, therefore, excellent relative to the suitable property of the dynamic motion of human body.
In addition, the conjugated fibre used in the application of the invention, the ultimate fibre fiber number forming the polyurethane elastomeric fiber of cloth and silk can be set as the scope of such as 0.3��50dtex (preferably 0.3��40dtex), when carrying out fine denier, it is possible to make the fine denier fiber of 0.3��10dtex, preferably 0.3��5dtex.
For above-mentioned conjugated fibre cloth and silk or polyurethane elastomer cloth and silk, it is possible to implementing fluffing process that looped fabric fluffing etc. carries out after cloth and silk chemical industry sequence as required or other is finally processed.
It should be noted that, from the view point of have almost equal with human body surface dynamic visco-elastic property and static viscoelastic property, the peak value at mechanics dynamic loss angle tangent value (tan ��) of polyurethane elastomer cloth and silk can be such as more than 0.2 and less than 1.0, more than 0.3 and less than 0.8 can be preferably, it is more preferable to be more than 0.4 and less than 0.7. In addition, as mentioned above, it is necessary, this kind of cloth and silk preferably with specific ratio (such as more than 14 quality %) containing A composition.
Embodiment
Hereinafter, by embodiment, the present invention is specifically described, but the present invention is not by any restriction of embodiment. It should be noted that, as long as not having specified otherwise, part and % in embodiment refer to mass parts and quality %.
(embodiment 1)
Use SMPMM-3520 (by Tg=35 �� 3 DEG C that SMPTECHNOLOGY company manufactures, molecular weight is 2 officials' energy vulcabond of 160��310, molecular weight is 2 officials' energy polyvalent alcohols and 1 of 400��2000, 4 butyleneglycols coordinate taking mol ratio as the ratio of 2.00��1.10:1.00:1.00��0.10, utilize the polyurethane elastomer that prepolymer method is polymerized) as A composition, on the other hand, use the limiting viscosity [��] that the polyoxyethylene glycol 8 quality % of molecular weight 2000 and m-phthalic acid 5-sodium sulfonate have been carried out 5 moles of % copolymerization be 0.52 polyethylene terephthalate as B component, by the compound of composition A and composition B than the mass ratio being set to 3:1, respectively with respective forcing machine melting, tell out by conjugate spinning nozzle with conjugated fibre that the cross section shown in Fig. 1 represents.
Then, what utilize length 1.0m horizontal blows after the silk bar told out from spinning-nozzle cools by type cooling air unit, be directed into continuously be arranged at immediately below spinning-nozzle on 1.3m position length 1.0m, internal diameter 30mm tubular heater (inner wall temperature: 180 DEG C), after stretching in tubular heater, finish is given to the fiber sent from tubular heater, then reel with the winding speed of 3000m/ minute through roller, manufactured the conjugated fibre of 111dtex/24 long filament.
Fibrosis, knitting process are good, do not have problems. By the conjugated fibre obtained, circular knitter (28 pin number) is used to make tubular knitted goods. After this knitted fabrics is implemented refining, dipping 30 minutes in the alkali aqueous solution (liquid temperature 100 DEG C) of sodium hydroxide 20g/L, bath raio 1:30, optionally dissolve and remove B component. The wearing feeling of the knitted fabrics obtained is good.
[clad ratio of the B component on fibre section]
From fibre section photo, random 10 threads selected are measured the length in the fibre-coated portion of each long filament, the length calculating covering portion relative to fibre section girth percentage (clad ratio), obtain the mean value of the clad ratio of each long filament.
[spinnability evaluation]
With the generation situation of fine hair during 100kg spinning, fracture of wire so that with 1kg spinning precursor unwinding time fine hair, fracture of wire generation situation evaluate.
��: do not produce fine hair, fracture of wire during spinning, does not produce fine hair, fracture of wire, well time unwinding
Zero: during spinning, do not produce fine hair, fracture of wire, produce fine hair, fracture of wire time unwinding lower than 2 times, well
��: when confirming spinning produce fine hair, fracture of wire lower than 2 times, unwinding time produce fine hair, fracture of wire lower than 5 times
��: produce fine hair, fracture of wire more than 3 times during spinning, time unwinding, produce fine hair, fracture of wire more than 6 times
[evaluation of knitting property]
According to having carried out fine hair when 10kg is knitting, the generation situation of fracture of wire evaluated.
��: do not have fine hair, fracture of wire, well
Zero: produce fine hair, fracture of wire lower than 2 times, well
��: confirm fine hair, fracture of wire more than 2 times and lower than 5 times
��: produce fine hair, fracture of wire more than 6 times
[wearing feeling evaluation]
The wearing feeling of the knitted fabrics obtained is carried out sense evaluation by the panelist of 10 people. In sense is evaluated, being set to 2 points by very excellent for wearing feeling, wearing feeling excellence is set to 1 point, wearing feeling difference is set to 0 point, each panelist evaluates, and calculates its total score, evaluates wearing feeling.
��: total score is more than 15 points
Zero: total score is 11��14 points
��: total score is 7 points��10 points
��: total score is less than 6 points
(embodiment 2)
The A composition of change conjugated fibre as shown in table 1 and the ratio of B component, in addition, operate similarly to Example 1, carries out making, the evaluation of fibrosis and knitted fabrics.
Fibrosis, the knitting process of conjugated fibre are good, and the knitted fabrics obtained has excellent wearing feeling.
(embodiment 3)
Use poly(lactic acid) (CargillDow system, 6200D) as the B component of fiber, in addition, operate similarly to Example 1, carry out making, the evaluation of fibrosis and knitted fabrics.
Fibrosis, the knitting process of conjugated fibre are good, and the knitted fabrics obtained has excellent wearing feeling.
(embodiment 4)
Use the polymkeric substance identical with embodiment 1 as A composition, use modified polyvinyl alcohol (laughable beautiful Co., Ltd. system of thermoplasticity, saponification deg: 98.5, ethylene content 8.0 moles of %, the polymerization degree: 380) as B component, it may also be useful to the material being made up of not moisture antistatic agent composition and smooth agent composition as spinning oil, in addition, implement fibrosis by method similarly to Example 1, make knitted fabrics by same method. Thereafter, in the hot water of 100 DEG C, with bath raio 1:30, knitted fabrics is processed 40 minutes, dissolve and remove B component.
Fibrosis, the knitting process of conjugated fibre are good, and the knitted fabrics obtained keeps good wearing feeling.
(embodiment 5��6)
The cross-sectional shape of change fiber as shown in table 1, in addition, operates similarly to Example 1, carries out making, the evaluation of fibrosis and knitted fabrics.
It should be noted that, in embodiment 5��6, use special-shaped nozzle to carry out fibrosis in spinning-nozzle.
In any one situation, fibrosis, knitting process are well, and the knitted fabrics obtained all has excellent wearing feeling.
(comparative example 1)
Except not using the B component shown in table 1, implement by method similarly to Example 1. Fibrosis operation has some setbacks, and the knitted fabrics obtained does not have good wearing feeling.
(comparative example 2)
Use the A composition shown in table 1, do not use B component, in addition, implement by method similarly to Example 1. Fibrosis operation has some setbacks, and the knitted fabrics obtained does not have good wearing feeling.
(comparative example 3)
With type side by side, A composition, B component are carried out conjugate spinning, and in fibre section, A becomes to be divided into core, the 50% of the overall circumference of the coated A composition of B component, in addition, implements by method similarly to Example 1. The fiber obtained is poor in spinnability, knitting property, and the knitted fabrics obtained does not have good wearing feeling.
(comparative example 4)
Do not use the B component shown in table 1, in addition, implement by method similarly to Example 1, but fibrosis operation is bad. And, as combined filament yarn, it may also be useful to cotton spinning silk 20/1, implement mixed fine with common single cladding wire manufacturing installation, but due to bonding cause unwinding bad, so operation has some setbacks, the knitted fabrics obtained does not have good wearing feeling.
(comparative example 5)
Except not using the B component shown in table 1, implement by method similarly to Example 1, but fibrosis operation is bad. And, as combined filament yarn, it may also be useful to nylon 6 long filament 33T12, implement mixed fine with common single cladding wire manufacturing installation, but due to bonding cause unwinding bad, so operation has some setbacks, the knitted fabrics obtained does not have good wearing feeling.
Industrial applicibility
With regard to the main purposes of the conjugated fibre of the present invention, when macrofiber, it is used alone or partly use macrofiber to make cloth etc., it is possible to as the dress material materials'use manifesting good wearing feeling. This kind of dress material material is particularly requiring in the field of the wearing feeling of people's skin as the most applicable as lining material. On the other hand, when staple fibre, can use as dress material staple, dry type non-woven fabrics and Wet-laid non-woven fabric etc., and, due to the flexibility height at the scope of 15 DEG C��50 DEG C, preferably 15��45 DEG C, more preferably 15 DEG C��35 DEG C, therefore, it is possible not only to use in dress material purposes, and can also use in the non-dress material purposes such as cleaning cloth and silk, strainer material, various life raw material, industrial raw material.
As mentioned above, it is necessary, the preferred embodiment of the present invention is illustrated, but as long as being those skilled in the art, with reference to this case specification sheets, change places at self-evident the range content various change of imagination and correction. Therefore, this kind changes and revises the change and correction that are interpreted as in the invention scope determined by claim.
Claims (8)
1. a conjugated fibre, it is that the polyurethane elastomer within the scope of 15 DEG C��50 DEG C (A composition) and soluble thermoplastic polymer hot in nature (B component) are formed by second-order transition temperature, wherein,
In fibre section, A becomes to be divided into core, and coated more than the 70% of A composition overall circumference of B component,
Described B component is by being selected from soluble property polyester and carried out with the alpha-olefin of carbonatoms less than 4 in the polyethylene copolymer alcohol of modification at least a kind is formed.
2. conjugated fibre according to claim 1, wherein, ultimate fibre fiber number is 0.3��50dtex.
3. conjugated fibre according to claim 1, wherein, the compound ratio (mass ratio) of A composition and B component is A:B=90:10��40:60.
4. conjugated fibre according to claim 2, wherein, the compound ratio (mass ratio) of A composition and B component is A:B=90:10��40:60.
5. conjugated fibre according to any one of Claims 1 to 4, the core sheath structure of it has A composition to be core composition, B component be sheath composition.
6. a manufacture method for polyurethane elastomer cloth and silk, the method possesses following operation:
Preparatory process, prepares the conjugated fibre according to any one of Claims 1 to 5;
Conjugated fibre cloth and silk production process, it may also be useful to described conjugated fibre makes the cloth and silk being made up of conjugated fibre; And
Removal step, removes B component from described cloth and silk, obtains polyurethane elastomer cloth and silk.
7. a polyurethane elastomer cloth and silk, it manufactures by the method for claim 6.
8. polyurethane elastomer cloth and silk according to claim 7, wherein, the ultimate fibre fiber number of the polyurethane elastomeric fiber forming cloth and silk is 0.3��50dtex.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012017550 | 2012-01-31 | ||
| JP2012-017550 | 2012-01-31 | ||
| PCT/JP2013/051575 WO2013115094A1 (en) | 2012-01-31 | 2013-01-25 | Composite fiber, method for producing polyurethane elastomer fabric, and polyurethane elastomer fabric |
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| Publication Number | Publication Date |
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| CN104136670A CN104136670A (en) | 2014-11-05 |
| CN104136670B true CN104136670B (en) | 2016-06-01 |
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| CN201380007462.XA Active CN104136670B (en) | 2012-01-31 | 2013-01-25 | The manufacture method of conjugated fibre, polyurethane elastomer cloth and silk and polyurethane elastomer cloth and silk |
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| US (1) | US20140342629A1 (en) |
| EP (1) | EP2811054B1 (en) |
| JP (1) | JP6195715B2 (en) |
| CN (1) | CN104136670B (en) |
| HK (1) | HK1199074A1 (en) |
| WO (1) | WO2013115094A1 (en) |
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| KR101289129B1 (en) * | 2012-09-28 | 2013-07-23 | 웅진케미칼 주식회사 | Sound-absorbing materials having excellent sound absorption performance and manufacturing method thereof |
| JP6370079B2 (en) * | 2014-03-31 | 2018-08-08 | 株式会社クラレ | Composite fiber made of thermoplastic elastomer |
| US10448678B2 (en) * | 2014-08-13 | 2019-10-22 | Mast Industries (Far East) Limited | Bra incorporating shape memory polymers and method of manufacture thereof |
| JP6501107B2 (en) * | 2015-01-30 | 2019-04-17 | 株式会社Ｓｍｐテクノロジーズ | Film and composite cloth |
| CN105133087B (en) * | 2015-09-30 | 2017-06-06 | 华南理工大学 | Uvioresistant core-sheath self adaptation fiber for the load of Z hoop fibre arrays and preparation method thereof |
| JP7094966B2 (en) * | 2017-02-10 | 2022-07-04 | ビーエーエスエフ ソシエタス・ヨーロピア | Method of manufacturing elastic fiber, method of manufacturing elastic fiber article, elastic fiber and elastic fiber article |
| JP2019026961A (en) * | 2017-07-31 | 2019-02-21 | 株式会社クラレ | Leather-like sheet |
| JP2020082705A (en) * | 2018-11-30 | 2020-06-04 | キョーラク株式会社 | Molded resin strand |
| JP7090741B2 (en) * | 2018-12-21 | 2022-06-24 | 株式会社クラレ | Composite fiber |
| CN115404701B (en) * | 2022-08-26 | 2023-08-29 | 东华大学 | Porous yarn with temperature regulating function and preparation method thereof |
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| JP2628502B2 (en) * | 1991-12-27 | 1997-07-09 | 鐘紡株式会社 | Composite elastic yarn and method for producing the same |
| CA2322569A1 (en) * | 1998-03-11 | 1999-09-16 | The Dow Chemical Company | Fibers made from alpha-olefin/vinyl or vinylidene aromatic and/or hindered cycloaliphatic or aliphatic vinyl or vinylidene interpolymers |
| WO2003006552A1 (en) * | 2001-07-11 | 2003-01-23 | Kuraray Co., Ltd. | Thermoplastic polymer composition |
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- 2013-01-25 CN CN201380007462.XA patent/CN104136670B/en active Active
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- 2013-01-25 JP JP2013012042A patent/JP6195715B2/en active Active
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2014
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| JP2011026736A (en) * | 2009-07-27 | 2011-02-10 | Gunze Ltd | Elastomer-based core-sheath conjugated fiber |
| JP2011149108A (en) * | 2010-01-19 | 2011-08-04 | Smp Technologies Inc | Cloth and yarn usable therefor |
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| Publication number | Publication date |
|---|---|
| JP2013177722A (en) | 2013-09-09 |
| EP2811054B1 (en) | 2022-06-29 |
| EP2811054A4 (en) | 2015-09-23 |
| JP6195715B2 (en) | 2017-09-13 |
| WO2013115094A1 (en) | 2013-08-08 |
| CN104136670A (en) | 2014-11-05 |
| HK1199074A1 (en) | 2015-06-19 |
| EP2811054A1 (en) | 2014-12-10 |
| US20140342629A1 (en) | 2014-11-20 |
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