CN107841799A - A kind of more component asymmetrical fibres - Google Patents

A kind of more component asymmetrical fibres Download PDF

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Publication number
CN107841799A
CN107841799A CN201711202827.0A CN201711202827A CN107841799A CN 107841799 A CN107841799 A CN 107841799A CN 201711202827 A CN201711202827 A CN 201711202827A CN 107841799 A CN107841799 A CN 107841799A
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China
Prior art keywords
component
asymmetrical
fibres
fiber
section
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CN201711202827.0A
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CN107841799B (en
Inventor
宁新
石川
郑杰
慎张飞
綦宝良
王栋
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Qingdao University
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Qingdao University
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Classifications

    • 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
    • D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
    • D01D5/30—Conjugate filaments; Spinnerette packs therefor
    • 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
    • D01F8/08—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyacrylonitrile as constituent
    • 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
    • D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
    • 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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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Multicomponent Fibers (AREA)

Abstract

The invention discloses a kind of more component asymmetrical fibres, including multiple components, the percent thermal shrinkage of the multiple component is different；The cross section of more component asymmetrical fibres is circular or ellipse, and fiber cross section is divided into multiple adjacent isolated areas successively by the multiple component, and the line of demarcation of adjacent area is straight line or curve；Fiber cross section is divided into asymmetric figure by multiple regions that the multiple component is formed, and is in mechanics dissymmetrical structure by the multiple component composition region so that more component asymmetrical fibres are easy to be divided into multiple secondary fibers from shattered crack.In fibre spinning, stretching or heat treatment process, the tension force brought because the percent thermal shrinkage of each component is different is different, is actively split point so as to induce more component asymmetrical fibres, turns into multiple secondary fibers.

Description

A kind of more component asymmetrical fibres
Technical field
The present invention relates to composite fibre technology field, relates in particular to a kind of more component asymmetrical fibres.
Background technology
Fiber is natural or artificial synthesized filamentous substance.In the modern life, the application of fiber is ubiquitous, including The every aspects such as weaving, building, military affairs, biology, with the development of society, the fiber of single component, performance is single, applicable elements It is limited, can not meet the needs of contemporary life production.To meet the application demand of fiber multifunctional, two-component and multigroup Part composite fibre technology turns into one of important developing direction of fiber propertiesization, and difference is produced by different melt complex form The product of performance, it is greatly expanded the development space of spining technology.In numerous composite spinning technologies, pass through fibre structure Regulation and control, prepare the principal fiber being made up of multiple secondary fiber sections, because this fiber is made up of more components, not only assign fiber Diversified function, but also ultra-fine fiber can be prepared, be greatly enlarged the application of fiber by further splitting point, Favored by numerous industries.
Conventional bicomponent fibers such as bilateral fibre（a）, core-skin type（b）, orange petal type（c）And fabric of island-in-sea type（d）, such as Fig. 9 Shown, two components A, B therein have a symmetry in the Cross section Design of fiber, the thermal contraction of different components in spinning process Normal direction between the component brought（Perpendicular to fiber draw direction）Tension force be cancelled, it is impossible to induce that component is spontaneous to be split point, must Must be by the processing of further solvent or high-pressure water-jet processing, inputting substantial amounts of outside energy can cause different components to split Point, the huge waste but also splitting completely for fiber for not only causing energy point have certain difficulty.
The content of the invention
It is an object of the invention to provide a kind of more component asymmetrical fibres, to solve existing multicomponent fiber as symmetrical junction Structure, the defects of being not easy to carry out to split point.
Therefore, the invention provides a kind of more component asymmetrical fibres, including multiple components, the heat receipts of the multiple component Shrinkage is different；The cross section of more component asymmetrical fibres is circular or ellipse, and the multiple component is by fiber cross section It is divided into multiple adjacent isolated areas successively, the line of demarcation of adjacent area is straight line or curve；What the multiple component was formed Fiber cross section is divided into asymmetric figure by multiple regions, is in mechanics dissymmetrical structure by the multiple component composition region, So that more component asymmetrical fibres are easy to be divided into multiple secondary fibers from shattered crack.
Preferably, more component asymmetrical fibres are two-component polymer fiber, three multi-component polymeric fibers or four groups Part polymer fiber, the two-component polymer fiber be A/A ' two-component polymers fiber, A/B two-component polymers fiber or AB/C two-component polymer fibers, component ratio shared by each component is not less than 10%, not higher than 90%；Three multi-component polymeric fiber For the multi-component polymeric fibers of A/A '/B tri- or the multi-component polymeric fibers of A/B/C tri-, component ratio shared by each component is not less than 10%, no Higher than 80%；Four multi-component polymeric fiber is the multi-component polymeric fibers of A/B/C/D tetra-, and component ratio is not less than shared by each component 10%, not higher than 70%；Component A and component A ' belongs to component of the same race, and difference is that component A and component A ' percent thermal shrinkage is different, Component AB is component A and component B mixture.
Preferably, component A, component B, component C and component D belong to thermoplastic polymer or solution dissolubility polymer, The thermoplastic polymer includes polypropylene（PP）, polyethylene（PE）, polyamide（PA）, polyester（PET）, polyphenylene sulfide（PPS）、 Polymethyl methacrylate（PMMA）And Kynoar（PVDF）In one kind, the solution dissolubility polymer include poly- third Alkene nitrile（PAN）, polytetrafluoroethylene (PTFE)（PTFE）In one kind.
Preferably, a diameter of 1 μm -100 μm of more component asymmetrical fibres.
Preferably, more component asymmetrical fibres are solid fibre, the end in multiple regions that the multiple component is formed Point coincides, and is not coincided with the center of circle where more component asymmetrical fibre cross sections.
Preferably, more component asymmetrical fibres are hollow fibre, and more component asymmetrical fibre cross sections have Open circles, the center of circle of open circles do not coincide with the center of circle where more component asymmetrical fibre cross sections, the multiple group Multiple regions that part is formed are in contact with open circles.
Compared with prior art, the advantages and positive effects of the present invention are：The invention provides a kind of more components are asymmetric Fiber, including multiple components, the percent thermal shrinkage of the multiple component are different；The cross section of more component asymmetrical fibres is circle Fiber cross section is divided into multiple adjacent isolated areas successively, point of adjacent area by shape or ellipse, the multiple component Boundary line is straight line or curve；Fiber cross section is divided into asymmetric figure by multiple regions that the multiple component is formed, by institute It is in mechanics dissymmetrical structure to state multiple components and form regions so that more component asymmetrical fibres are easy to be divided into from shattered crack more Individual secondary fiber.The cross section of traditional multicomponent fiber is mostly symmetrical structure, and the stress on cross section is easily cancelled out each other, and is led to Often need make it that fiber splits point by the post processing such as spun lacing means.And more component asymmetrical fibres of the present invention, including Multiple components, the percent thermal shrinkage of multiple components are different；The cross section of more component asymmetrical fibres is circle, and multiple components are by fiber Cross section is divided into multiple adjacent isolated areas successively, and the line of demarcation of adjacent area is straight line or curve；Multiple components are formed Multiple regions fiber cross section is divided into asymmetric figure, by multiple components composition region be in mechanics dissymmetrical structure, make Much component asymmetrical fibre is easy to be divided into multiple secondary fibers from shattered crack.In fibre spinning, stretching or heat treatment process In, the tension force brought because the percent thermal shrinkage of each component is different is different, so as to induce more component asymmetrical fibre masters It is dynamic to split point, turn into multiple secondary fibers.
After the embodiment of the present invention is read in conjunction with the figure, the other features and advantages of the invention will become more clear Chu.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment 1 of the more component asymmetrical fibres of the present invention；
Fig. 2 is the structural representation of the embodiment 2 of the more component asymmetrical fibres of the present invention；
Fig. 3 is the structural representation of the embodiment 3 of the more component asymmetrical fibres of the present invention；
Fig. 4 is the structural representation of the embodiment 4 of the more component asymmetrical fibres of the present invention；
Fig. 5 is the structural representation of the embodiment 5 of the more component asymmetrical fibres of the present invention；
Fig. 6 is the structural representation of the embodiment 6 of the more component asymmetrical fibres of the present invention；
Fig. 7 is the structural representation of the embodiment 7 of the more component asymmetrical fibres of the present invention；
Fig. 8 is the structural representation of the embodiment 8 of the more component asymmetrical fibres of the present invention；
Fig. 9 is the structural representation of the Symmetrical polymer fiber of prior art.
Embodiment
The embodiment of the present invention is described in detail below, it should be appreciated that described herein specific Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The invention provides a kind of more component asymmetrical fibres, including multiple components, the percent thermal shrinkage of the multiple component It is different；The cross section of more component asymmetrical fibres separates fiber cross section for circular or ellipse, the multiple component For multiple adjacent isolated areas successively, the line of demarcation of adjacent area is straight line or curve；The multiple component is formed multiple Fiber cross section is divided into asymmetric figure by region, is in mechanics dissymmetrical structure by the multiple component composition region so that More component asymmetrical fibres are easy to be divided into multiple secondary fibers from shattered crack.
The cross section of traditional multicomponent fiber is mostly symmetrical structure, and the stress on cross section is easily cancelled out each other, generally Needing can be so that fiber splits point by the post processing such as spun lacing means.And more component asymmetrical fibres of the present invention, including it is more Individual component, the percent thermal shrinkage of multiple components are different；The cross section of more component asymmetrical fibres is circle, and multiple components are horizontal by fiber Section is divided into multiple adjacent isolated areas successively, and the line of demarcation of adjacent area is straight line or curve；What multiple components were formed Fiber cross section is divided into asymmetric figure by multiple regions, is in mechanics dissymmetrical structure by multiple components composition region so that More component asymmetrical fibres are easy to be divided into multiple secondary fibers from shattered crack.In fibre spinning, stretching or heat treatment process, The tension force brought because the percent thermal shrinkage of each component is different is different, is actively split so as to induce more component asymmetrical fibres Point, turn into multiple secondary fibers, so as to reach the purpose for preparing superfine fibre.The quantity of the secondary fiber split into is less than or equal to The number in the region that multiple components are formed, the secondary fiber split into can apply to textile or nonwoven products.
Preferably, more component asymmetrical fibres are two-component polymer fiber, three multi-component polymeric fibers or four groups Part polymer fiber, the two-component polymer fiber are A/A ' two-component polymers fiber or A/B two-component polymer fibers, Component ratio shared by each component is not less than 10%, not higher than 90%；Component A and component A ' belongs to component of the same race, difference be component A and Component A ' percent thermal shrinkage is different；Three multi-component polymeric fiber is tri- groups of the multi-component polymeric fibers of A/A '/B tri- or A/B/C Part polymer fiber, component ratio shared by each component is not less than 10%, not higher than 80%；Four multi-component polymeric fiber is A/B/C/ The multi-component polymeric fibers of D tetra-, component ratio shared by each component is not less than 10%, not higher than 70%.
Preferably, component A, component B, component C and component D belong to thermoplastic polymer or solution dissolubility polymer, The thermoplastic polymer includes polypropylene（PP）, polyethylene（PE）, polyamide（PA）, polyester（PET）, polyphenylene sulfide（PPS）、 Polymethyl methacrylate（PMMA）And Kynoar（PVDF）In one kind, the solution dissolubility polymer include poly- third Alkene nitrile（PAN）, polytetrafluoroethylene (PTFE)（PTFE）In one kind.
Preferably, a diameter of 1 μm -100 μm of more component asymmetrical fibres.
Preferably, more component asymmetrical fibres are solid fibre, the end in multiple regions that the multiple component is formed Point coincides, and is not coincided with the center of circle where more component asymmetrical fibre cross sections, so that multiple component structures Into multiple regions fiber cross section is divided into asymmetric figure.
Preferably, more component asymmetrical fibres are hollow fibre, and more component asymmetrical fibre cross sections have Open circles, the center of circle of open circles do not coincide with the center of circle where more component asymmetrical fibre cross sections, the multiple group Multiple regions that part is formed are in contact with open circles, so that fiber cross section is divided in multiple regions that multiple components are formed It is cut into asymmetric figure.
The preparation process of more component asymmetrical fibres of the present invention includes：Multiple components are prepared into respectively by extruder Corresponding master batch, master batch is melted and is added separately to spinning manifold by works such as melt distribution, extrusion, spinning, stretching, lappings Skill prepares more component asymmetrical fibres.
Embodiment 1
As shown in figure 1, more component asymmetrical fibres of the present embodiment are solid fibre, cross section is circular, a diameter of 1 μm, by Polypropylene（A）And polyethylene（B）Composition；Polypropylene（A）And polyethylene（B）By fiber cross section be divided into 16 it is adjacent successively Independent sector region, wherein, component polypropylene（A）Account for 8 sector regions；Component polyethylene（B）Account for 8 sector regions, 16 The cross section of more component asymmetrical fibres is divided into asymmetric figure by region so that it is not right in mechanics that multiple components form region Claim structure so that more component asymmetrical fibres can be divided into 16 secondary fibers from shattered crack.
Embodiment 2
As shown in Fig. 2 more component asymmetrical fibres of the present embodiment are solid fibre, cross section is circular, a diameter of 5 μm, by Polypropylene（A）, polyethylene（B）And polyethylene terephthalate（C）Composition；Polypropylene（A）, polyethylene（B）With poly- to benzene Naphthalate（C）Fiber cross section is divided into 6 adjacent isolated areas successively, the line of demarcation of adjacent area is song Line；Wherein, component polypropylene（A）Account for 2 regions, component polyethylene（B）Account for 2 regions, component polyethylene terephthalate Ester（C）Account for 2 regions；The cross section of more component asymmetrical fibres is divided into asymmetric figure by 6 regions so that multiple components It is in mechanics dissymmetrical structure to form region so that more component asymmetrical fibres can be divided into 6 secondary fibers from shattered crack.
Embodiment 3
As shown in figure 3, more component asymmetrical fibres of the present embodiment are solid fibre, cross section is circular, a diameter of 1 μm, by Polypropylene（A）And polyethylene（B）Composition；Polypropylene（A）And polyethylene（B）By fiber cross section be divided into 8 it is adjacent successively Isolated area, the line of demarcation of adjacent area is curve；Wherein, component polypropylene（A）Account for 4 regions, component polyethylene（B）Account for 4 Individual region；The cross section of more component asymmetrical fibres is divided into asymmetric figure by 8 regions so that multiple components form region In mechanics dissymmetrical structure so that more component asymmetrical fibres can be divided into 8 secondary fibers from shattered crack.
Embodiment 4
As shown in figure 4, more component asymmetrical fibres of the present embodiment are hollow fibre, cross section is circle, and cross-sectional diameter is 50 μm, boring circular diameter is 10 μm, by polypropylene（A）And polyethylene（B）Composition；Polypropylene（A）And polyethylene（B）By fibre Dimension cross section is divided into 8 adjacent isolated areas successively, and the line of demarcation of adjacent area is curve；Wherein, component polypropylene（A） Account for 4 regions, component polyethylene（B）Account for 4 regions；It is not right that the cross section of more component asymmetrical fibres is divided into by 8 regions Claim figure so that it is in mechanics dissymmetrical structure that multiple components, which form region, so that more component asymmetrical fibres can be from shattered crack point As 8 secondary fibers.
Embodiment 5
As shown in figure 5, more component asymmetrical fibres of the present embodiment are solid fibre, cross section is ellipse, and oval is big straight Footpath is 20 μm, by polypropylene（A）And polyethylene（B）Composition；Polypropylene（A）And polyethylene（B）Fiber cross section is divided into 16 Individual adjacent isolated area successively, the line of demarcation of adjacent area is curve；Wherein, component polypropylene（A）Account for 8 regions, component Polyethylene（B）Account for 8 regions；The cross section of more component asymmetrical fibres is divided into asymmetric figure by 16 regions so that more It is in mechanics dissymmetrical structure that individual component, which forms region, so that more component asymmetrical fibres can be divided into 16 secondary fibres from shattered crack Dimension.
Embodiment 6
As shown in fig. 6, more component asymmetrical fibres of the present embodiment are solid fibre, cross section is ellipse, and oval is big straight Footpath is 100 μm, by polypropylene（A）, polyethylene（B）, polyphenylene sulfide（C）And polyethylene terephthalate（D）Composition；Poly- third Alkene（A）, polyethylene（B）, polyphenylene sulfide（C）And polyethylene terephthalate（D）By fiber cross section be divided into 16 according to Secondary adjacent isolated area, the line of demarcation of adjacent area is curve；Wherein, component polypropylene（A）Account for 4 regions, the poly- second of component Alkene（B）Account for 4 regions, polyphenylene sulfide（C）Account for 4 regions, polyethylene terephthalate（D）Account for 4 regions；16 regions The cross section of more component asymmetrical fibres is divided into asymmetric figure so that it is in mechanics asymmetrical junction that multiple components, which form region, Structure so that more component asymmetrical fibres can be divided into 16 secondary fibers from shattered crack.
Embodiment 7
As shown in fig. 7, more component asymmetrical fibres of the present embodiment are solid fibre, cross section is ellipse, and oval is big A diameter of 5 μm, by polypropylene, polyacrylonitrile blended thing（A）And polyethylene（B）Composition；Polypropylene, polyacrylonitrile blended thing（A） And polyethylene（B）Fiber cross section is divided into 32 adjacent isolated areas successively, the line of demarcation of adjacent area is curve；Its In, component polypropylene, polyacrylonitrile blended thing（A）Account for 16 regions, component polyethylene（B）Account for 16 regions；32 regions will The cross section of more component asymmetrical fibres is divided into asymmetric figure so that it is in mechanics asymmetrical junction that multiple components, which form region, Structure so that more component asymmetrical fibres can be divided into 32 secondary fibers from shattered crack.
Embodiment 8
As shown in figure 8, more component asymmetrical fibres of the present embodiment are hollow fibre, cross section is ellipse, and oval is big A diameter of 5 μm, boring circular diameter is 10 μm, by polypropylene, polyacrylonitrile blended thing（A）And polyethylene（B）Composition；Poly- third Alkene, polyacrylonitrile blended thing（A）And polyethylene（B）Fiber cross section is divided into 32 adjacent isolated areas successively, it is adjacent The line of demarcation in region is curve；Wherein, component polypropylene, polyacrylonitrile blended thing（A）Account for 16 regions, component polyethylene（B） Account for 16 regions；The cross section of more component asymmetrical fibres is divided into asymmetric figure by 32 regions so that multiple component structures It is in mechanics dissymmetrical structure into region so that more component asymmetrical fibres can be divided into 32 secondary fibers from shattered crack.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than is limited；Although with reference to foregoing reality Example is applied the present invention is described in detail, for the person of ordinary skill of the art, still can be to foregoing implementation Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these are changed or replaced Change, the essence of appropriate technical solution is departed from the spirit and scope of claimed technical solution of the invention.

Claims (6)

  1. A kind of 1. more component asymmetrical fibres, it is characterised in that
    Including multiple components, the percent thermal shrinkage of the multiple component is different；
    Fiber cross section is divided into by the cross section of more component asymmetrical fibres for circular or ellipse, the multiple component Multiple adjacent isolated areas successively, the line of demarcation of adjacent area is straight line or curve；
    Fiber cross section is divided into asymmetric figure by multiple regions that the multiple component is formed, and the multiple component is formed Region is in mechanics dissymmetrical structure so that more component asymmetrical fibres are easy to be divided into multiple secondary fibers from shattered crack.
  2. 2. more component asymmetrical fibres as claimed in claim 1, it is characterised in that
    More component asymmetrical fibres are that two-component polymer fiber, three multi-component polymeric fibers or four component polymers are fine Dimension,
    The two-component polymer fiber is the double groups of A/A ' two-component polymers fiber, A/B two-component polymers fiber or AB/C Part polymer fiber, component ratio shared by each component is not less than 10%, not higher than 90%；
    Three multi-component polymeric fiber is the multi-component polymeric fibers of A/A '/B tri- or the multi-component polymeric fibers of A/B/C tri-, each group Component ratio is not less than 10% shared by part, not higher than 80%；
    Four multi-component polymeric fiber is the multi-component polymeric fibers of A/B/C/D tetra-, and component ratio shared by each component is not less than 10%, Not higher than 70%；
    Component A and component A ' belongs to component of the same race, and difference is that component A and component A ' percent thermal shrinkage is different, and component AB is group Part A and component B mixture.
  3. 3. more component asymmetrical fibres as claimed in claim 1, it is characterised in that
    Component A, component B, component C and component D belong to thermoplastic polymer or solution dissolubility polymer,
    The thermoplastic polymer includes polypropylene（PP）, polyethylene（PE）, polyamide（PA）, polyester（PET）, polymethyl Sour methyl esters（PMMA）And Kynoar（PVDF）Polyphenylene sulfide（PPS）In one kind,
    The solution dissolubility polymer includes polyacrylonitrile（PAN）, polytetrafluoroethylene (PTFE)（PTFE）, in one kind.
  4. 4. more component asymmetrical fibres as claimed in claim 1, it is characterised in that
    A diameter of 1 μm -100 μm of more component asymmetrical fibres.
  5. 5. more component asymmetrical fibres as claimed in claim 1, it is characterised in that
    More component asymmetrical fibres are solid fibre, and the end points in multiple regions that the multiple component is formed coincides, and Do not coincided with the center of circle where more component asymmetrical fibre cross sections.
  6. 6. more component asymmetrical fibres as claimed in claim 1, it is characterised in that
    More component asymmetrical fibres are hollow fibre, and more component asymmetrical fibre cross sections have open circles, hollow The round center of circle does not coincide with the center of circle where more component asymmetrical fibre cross sections,
    Multiple regions that the multiple component is formed are in contact with open circles.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110106566A (en) * 2019-06-20 2019-08-09 苏州金泉新材料股份有限公司 Three component composite fiber spinning devices
CN113215674A (en) * 2021-06-28 2021-08-06 江南大学 Nanofiber, preparation method and application thereof
CN113677840A (en) * 2019-04-16 2021-11-19 陶氏环球技术有限责任公司 Nonwoven web and method of making same

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JPH04316608A (en) * 1991-04-16 1992-11-09 Ube Nitto Kasei Co Ltd Thermo-splittable conjugated fiber
JPH0881832A (en) * 1994-09-05 1996-03-26 Nippon Ester Co Ltd Polyester splitting type conjugate fiber
WO1999019131A1 (en) * 1997-10-09 1999-04-22 Hills, Inc. Method and apparatus for in-line splitting of plural-component fibers and formation of nonwoven fabrics

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Publication number Priority date Publication date Assignee Title
US4364983A (en) * 1979-03-02 1982-12-21 Akzona Incorporated Multifilament yarn of individual filaments of the multicomponent matrix/segment type which has been falsetwisted, a component thereof shrunk, a component thereof heatset; fabrics comprising said
JPH04316608A (en) * 1991-04-16 1992-11-09 Ube Nitto Kasei Co Ltd Thermo-splittable conjugated fiber
JPH0881832A (en) * 1994-09-05 1996-03-26 Nippon Ester Co Ltd Polyester splitting type conjugate fiber
WO1999019131A1 (en) * 1997-10-09 1999-04-22 Hills, Inc. Method and apparatus for in-line splitting of plural-component fibers and formation of nonwoven fabrics

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113677840A (en) * 2019-04-16 2021-11-19 陶氏环球技术有限责任公司 Nonwoven web and method of making same
CN113677840B (en) * 2019-04-16 2023-09-08 陶氏环球技术有限责任公司 Nonwoven web and method of making the same
CN110106566A (en) * 2019-06-20 2019-08-09 苏州金泉新材料股份有限公司 Three component composite fiber spinning devices
CN113215674A (en) * 2021-06-28 2021-08-06 江南大学 Nanofiber, preparation method and application thereof
CN113215674B (en) * 2021-06-28 2022-03-04 江南大学 Nanofiber, preparation method and application thereof

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