CN110629342A - Anti-skid and anti-bouncing yarn and fabric and production method thereof - Google Patents
Anti-skid and anti-bouncing yarn and fabric and production method thereof Download PDFInfo
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- CN110629342A CN110629342A CN201911045990.XA CN201911045990A CN110629342A CN 110629342 A CN110629342 A CN 110629342A CN 201911045990 A CN201911045990 A CN 201911045990A CN 110629342 A CN110629342 A CN 110629342A
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
- D02G3/328—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic containing elastane
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
- D03D13/008—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft characterised by weave density or surface weight
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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
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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
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
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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
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
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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
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
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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
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/20—Cellulose-derived artificial fibres
- D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
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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
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/20—Cellulose-derived artificial fibres
- D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
- D10B2201/24—Viscose
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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
- D10B2211/00—Protein-based fibres, e.g. animal fibres
- D10B2211/01—Natural animal fibres, e.g. keratin fibres
- D10B2211/02—Wool
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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
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
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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
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
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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
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/10—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
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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
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
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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
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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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
- D10B2331/06—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyethers
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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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Woven Fabrics (AREA)
Abstract
The invention discloses a yarn and fabric for preventing slipping and bouncing and a production method thereof, wherein the yarn for preventing slipping and bouncing is core-spun yarn and comprises an outer cladding layer and a core layer, and the outer cladding layer is cladded on the outer surface of the core layer; the core layer consists of two chemical fiber filaments with different melting points, namely a first chemical fiber filament and a second chemical fiber filament, wherein the melting point of the first chemical fiber filament is higher than that of the second chemical fiber filament, and the first chemical fiber filament is an elastic filament; the first chemical fiber filament and the second chemical fiber filament are arranged in parallel and spirally wound or the second chemical fiber filament covers the first chemical fiber filament; the surface of the second chemical fiber filament is bonded with the outer cladding and the first chemical fiber filament. Two groups of fibers with different melting points are bonded together, so that the width of a yarn core layer can be increased, the strength, the elastic property and the like of the yarn are effectively enhanced, and the fabric is prevented from slipping and bouncing.
Description
Technical Field
The invention relates to the field of yarn manufacturing, and mainly relates to a yarn and fabric capable of preventing slipping and bouncing and a production method thereof.
Background
The jeans wear is evergreen tree in the wear, and has become an irreplaceable role on the wear stage after more than one hundred years of development and cultural precipitation. The traditional denim fabric is formed by interweaving indigo pure cotton warp yarns and white cotton weft yarns for three times, but with the development of the society and the improvement of the living standard of people, the traditional denim fabric made of coarse count twill pure cotton has failed to meet the pursuit of people on the elasticity, comfort and the like of clothes. With the constant change of life style of people, more and more people select
Going out, people pursue jeans from no elasticity to elasticity, and even have higher requirements on elasticity performance.
The existing elastic fabric usually adopts core-spun yarns to enable the fabric to have certain elastic performance, such as single core-spun yarns and double core-spun yarns, so that people can freely move when wearing the fabric. Particularly, the manufactured elastic jeans can be used for body shaping, show beautiful curves and become a preferred clothing product for many women. Meanwhile, more and more male jeans wear are made of elastic fabrics, so that people are easy to stretch when wearing the jeans wear, and the jeans wear is less restricted by movement.
In the composite yarn structure of the core-spun yarn, the position of the filament serving as the core yarn relative to the position of the short fiber serving as the outer covering is relatively fixed, and the filament cannot be transferred inside and outside the composite yarn structure to the maximum extent, so that the filament and the short fiber cannot be naturally and uniformly mixed and cohered. Therefore, the compound yarn of the core-spun yarn has the problem of insufficient cohesive force between the filament and the short fiber, so that the relative slippage between the filament and the short fiber is easy to occur in the subsequent processing, the weaving efficiency is low, and the quality problem of the fabric is easy to occur.
Washing is an essential step of jeans, when the elastic jeans fabric is subjected to after-treatment and washing treatment, various factors affect the elastic performance of the fabric, such as shaping, and the shaping temperature has a large influence on the elastic performance of the fabric; in the process of making clothes, when the fabric is cut and sewn, the influence on the stretch yarn can be generated in the sewn stitch area; after the jeans wear is washed, the problems of losing and slipping can occur, particularly the problems of losing and slipping at the sewing position of the jeans wear, so that the quality problem of the jeans wear can occur. Therefore, the slipping and losing of the clothes are main factors for restricting the development of the elastic fabric and are also common problems in the denim industry.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a yarn and a fabric for preventing slipping and bouncing and a production method thereof, and aims to solve the problems that the conventional elastic fabric is easy to lose the slipping and bouncing.
The technical scheme of the invention is as follows:
the yarn for preventing the slide bullets is a core-spun yarn and comprises an outer cladding layer and a core layer, wherein the outer cladding layer is clad on the outer surface of the core layer; the core layer consists of two chemical fiber filaments with different melting points, namely a first chemical fiber filament and a second chemical fiber filament, wherein the melting point of the first chemical fiber filament is higher than that of the second chemical fiber filament, and the first chemical fiber filament is an elastic filament; the first chemical fiber filament and the second chemical fiber filament are arranged in parallel and spirally wound or the second chemical fiber filament covers the first chemical fiber filament.
The yarn for preventing the slippery bullet is characterized in that the melting point of the second filament is 90 ~ 210 ℃ and 210 ℃, and the surface of the second chemical fiber filament is bonded with the outer cladding and the first chemical fiber filament.
The yarn for preventing the slippery bullet is characterized in that the first chemical fiber filament and the second chemical fiber filament are arranged in a spiral winding mode or in a mode that the second chemical fiber filament covers the first chemical fiber filament.
The yarn for preventing the slippery bounce is characterized in that the second chemical fiber filament is a non-elastic filament.
The yarn for preventing the slippery bounce is characterized in that the second chemical fiber filament and the first chemical fiber filament are elastic filaments; the second staple filaments and the first staple filaments have different deniers.
The yarn for preventing the slippery bullet is characterized in that the yarn count range of the first chemical fiber filament is 10D-600D, the yarn count range of the second chemical fiber filament is 10D-600D, and the integral yarn count range of the yarn is 6-100 Ne;
the outer coating layer is made of short fibers; the short fiber is one or the mixture of more than two of natural fiber and chemical fiber;
the second chemical fiber filament is one of polyester fiber, polyamide fiber, polyacrylonitrile fiber, polyolefin fiber, polyvinyl alcohol fiber, polyvinyl chloride fiber, rubber filament, elastic polyether ester and polyurethane;
the first chemical fiber filament is rubber filament, bicomponent filament, polyolefin, elastic polyether ester or polyurethane.
The yarn for preventing the slippery bounce is characterized in that the outer coating layer is made of one or more of cotton fiber, hemp fiber, wool fiber, tencel, viscose, modal, terylene, chinlon and polypropylene fiber;
the first chemical fiber filament is spandex, and the second chemical fiber filament is spandex, terylene or chinlon.
The fabric is woven by adopting the yarns, is a woven fabric or a knitted fabric, and has the elastic recovery rate of more than 90%.
The fabric is a woven fabric, and the yarns are adopted as warp yarns or weft yarns; the warp density of the woven fabric is 30-300/inch, and the weft density is 20-200/inch; the fabric is a denim fabric.
A method for producing the fabric, which comprises one or more of drying, scouring and shaping:
wherein the temperature is controlled to be 80-200 ℃ in the shaping process, and the vehicle speed is 20-50 m/min;
the temperature is controlled to be 110 ~ 130 ℃ in the drying process;
the temperature is controlled to be 90-110 ℃ in the boiling process.
Has the advantages that: the yarn with the anti-skid elasticity is characterized in that staple fibers and chemical fiber filaments with different melting points are processed to form a composite yarn, when the yarn is heated to a temperature close to the melting point of the second chemical fiber filaments and the second filaments are slightly soluble, the outer coating layer and the first chemical fiber filaments are not changed, the surface of the second chemical fiber filaments with the low melting point is slightly melted, and the parts of the surface of the second chemical fiber filaments, which are in contact with the outer coating layer and the first chemical fiber filaments, are adhered to the outer coating layer and the first chemical fiber filaments, so that relative sliding between the two filaments and the outer coating layer is avoided. Therefore, even after being cut, the first chemical fiber filaments in the yarns can not retract to the side with holding force, and the fabric can be effectively prevented from slipping and bouncing.
Drawings
Fig. 1 is a schematic structural view of the anti-ballistic yarn of the present invention (the first chemical fiber filaments and the second chemical fiber filaments are arranged side by side).
Fig. 2 is a schematic structural view of the anti-ballistic yarn of the present invention (the first chemical fiber filaments and the second chemical fiber filaments are spirally wound).
Fig. 3 is a schematic structural view of the anti-ballistic yarn of the present invention (the second chemical fiber filament is disposed to cover the first chemical fiber filament).
Detailed Description
The invention provides a yarn and fabric for preventing slipping and bouncing and a production method thereof, and the invention is further described in detail below in order to make the purpose, technical scheme and effect of the invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
Sliding and bouncing: such a situation is manifested by the phenomenon of inelastic, usually in the front of trousers or lateral bones. The reason for the slippery and elastic property is analyzed that the elastic yarn shrinkage force of the high elastic fabric is large, after cutting, the elastic yarn in the yarn is slowly retracted to the side with the holding force due to the fact that the holding force is not available, the longer the placing time is, the more sparse the sewing is, the more destructive the washing method (such as heavy hand wiping and heavy rinsing) is in the water washing process is, the more soft oil is added, the more easily the elastic yarn is accelerated to shrink to the side with the holding force, the other side is free from the elastic yarn, and the part without the elastic yarn has no elasticity, so that the fabric is slippery and elastic.
The invention provides a yarn for preventing spinning, which is a core-spun yarn and comprises an outer cladding layer 10 and a core layer, wherein the outer cladding layer 10 is coated on the outer surface of the core layer; the core layer is composed of two chemical fiber filaments with different melting points, namely a first chemical fiber filament 21 and a second chemical fiber filament 22, the melting point of the first chemical fiber filament 21 is higher than that of the second chemical fiber filament 22, and the first chemical fiber filament 21 is an elastic yarn; the first chemical fiber filament 21 and the second chemical fiber filament 22 are arranged side by side (as shown in fig. 1), spirally wound (as shown in fig. 2) or the second chemical fiber filament 22 covers the first chemical fiber filament 21 (as shown in fig. 3); the surface of the second chemical fiber filament 22 is bonded with the outer cladding 10 and the first chemical fiber filament 21.
The outer cladding 10 is generally made of short fibers, the short fibers and the chemical fiber filaments with different melting points are processed to form the composite yarn, because the two groups of chemical fiber filaments have different melting points, when the yarn is heated to be close to the melting point (90 ~ 210 ℃) of the second filament, the outer cladding 10 and the first chemical fiber filament 21 are not changed, and the surface of the second chemical fiber filament 22 with the low melting point is slightly melted, the surface of the second chemical fiber filament 22, which is in contact with the outer cladding 10 and the first chemical fiber filament 21, is adhered to the outer cladding 10, thus the two groups of chemical fiber filaments with different melting points and the outer cladding 10 are adhered to each other, so that the two chemical fiber filaments and the outer cladding cannot slide relative to each other (namely the first chemical fiber filament cannot shrink to the side with holding force).
For the smooth bullet, the yarn adopts the short fiber to coat the two chemical fiber filaments, after the heating treatment of the after-treatment, the second chemical fiber filament with the low melting point can be bonded with the first chemical fiber filament with the high melting point, and the second chemical fiber filament with the low melting point is bonded with the outer coating layer 10, so that the friction force between the core layer filament and the outer coating layer is increased. Therefore, the elastic yarns are not easy to slide relatively, so that the elastic yarns do not slide (namely, the elastic yarns do not shrink) in the region of the stitching, and the probability of the fabric sliding and bouncing can be greatly reduced. Even if the first chemical fiber filament 21 shrinks due to damage by an external force, or even if both the first chemical fiber filament 21 and the second chemical fiber filament shrink due to damage, the second chemical fiber filament is bonded to the first chemical fiber filament and the outer cover 10, so that the first chemical fiber stretch yarn 21 or the core layer can be prevented from shrinking to a side having a holding force, and thus, the run-flat can be prevented.
For loss of elasticity, two chemical fiber filaments are together, and when one chemical fiber filament is affected, the other chemical fiber filament can compensate certain defects of the chemical fiber filament. The chemical fiber filaments with two different melting points are adopted to enable the chemical fiber filaments to be restricted with each other, for example, when the two elastic filaments with different elastic properties are bonded with each other, the elastic properties of the yarn can be increased through the mutual bonding, and when the yarn is stretched, the stretched performance of the filament with high elasticity can be limited, so that the elastic properties of the yarn are protected. In addition, when one chemical fiber filament has the problem of elastic performance, the other chemical fiber filament can also continue to work.
The elastic fabric is made of elastic yarn (core yarn), which is stretched under stress and rebounded without stress. During everyday exercise and stretching in elastic garments, particularly sitting and standing, certain parts of the garment are stretched more than others, such as the knees, hips, etc. At this time, if there is not enough friction between the elastic yarn and the covering layer, especially in the seam area of the garment, the elastic yarn inside the yarn may shrink in the direction of holding force, or the stitches of the seam where the elastic yarn is located slide off, the elastic yarn is no longer connected to the stitches of the seam, which results in some parts of the fabric being free of elastic yarn, and the parts of the fabric without elastic yarn lose elasticity. Moreover, the part without elastic threads will be arched, which causes the clothes to be unfastened and also affects the beauty of the clothes. In the elastic yarn provided by the invention, the contact positions of the second chemical fiber filament 22, the first chemical fiber filament 21 and the outer coating layer 10 are bonded together, so that the friction force between the core layer and the coating layer and the friction force between the two chemical fiber filaments can be increased, the relative slippage can not occur even if the fabric is under strong stretching, the probability of slippage and elasticity of the fabric under strong stretching is reduced, and the probability of arching of certain parts of the fabric is greatly reduced.
Preferably, the first chemical fiber filament 21 and the second chemical fiber filament 22 are arranged in a spiral shape in a winding manner or the second chemical fiber filament 22 is arranged to cover the first chemical fiber filament 21.
The spiral winding has the advantages that when the two chemical fiber filaments are spirally wound, the contact area between the two chemical fiber filaments is large, when the second chemical fiber filament 22 with the low melting point is heated to be dissolved and adhered together, the adhesion area is large, so that the friction force between the two chemical fiber filaments is further increased, and the first chemical fiber filament 21 is better prevented from shrinking to the side with holding force. Meanwhile, the first chemical fiber filaments 21 can be protected to a certain extent by the spiral winding, and damage to the first chemical fiber filaments 21 caused by a water washing process or other processes can be reduced.
The advantage of adopting second chemical fiber filament 22 cladding first chemical fiber filament 21 setting is that second chemical fiber filament 22 not only is big and even with the area of contact of first chemical fiber filament 21, and second chemical fiber filament 22 is also big and even with outer cladding 10 area of contact moreover, can bond together with first chemical fiber filament and outer short fiber better, prevents more effectively that the slippery and elastic problem from appearing. Meanwhile, the coating structure can better protect the first chemical fiber filaments 21, so that the first chemical fiber filaments 21 are not damaged when the fabric is subjected to a washing process (chemical treatment), and the fabric keeps better elastic performance.
In an embodiment, the second chemical fiber filament 22 is a non-elastic filament, and the first chemical fiber filament 21 is an elastic filament, so that the second chemical fiber filament 22 and the first chemical fiber filament 21 are bonded together to effectively reinforce the strength of the yarn. Moreover, the fabric made of the yarn can play a certain limiting role when being stretched, so that the stretching performance is weakened, the recovery performance is enhanced, the plastic deformation (growth rate) of the fabric is reduced, and the elastic performance of the first chemical fiber filament 21 is better maintained.
In another embodiment, the second chemical fiber filament 22 and the first chemical fiber filament 21 are elastic filaments, the elastic performance of the yarn is more excellent, and the fabric made of the yarn has high elastic elongation and elastic recovery rate, but high growth rate. After the post-finishing and shaping treatment, the second chemical fiber filaments 22 and the first chemical fiber filaments 21 are bonded, so that the yarn has excellent elastic performance. Meanwhile, when the elasticity performance of one chemical fiber filament is in a problem (such as losing elasticity or breaking), the other chemical fiber filament can also continue to provide elasticity, so that the elasticity of the yarn is maintained, the elasticity of the fabric is kept, and the fabric is prevented from slipping and bouncing better.
When the second chemical fiber filaments 22 are elastic filaments, it is preferable that the denier numbers of the second chemical fiber filaments 22 and the first chemical fiber filaments 21 are different. The elastic filaments with different denier numbers have different elastic properties, such as elastic recovery, elongation at break, etc. When the fabric made of the yarn is acted by external force, the chemical fiber filament with low elasticity is stretched to a certain degree, and then the chemical fiber filament starts to provide a certain recovery rate to prevent the chemical fiber filament from being excessively stretched, so that the elasticity recovery performance can be improved to a certain degree, and the resilience performance of the fabric is increased.
When the two chemical fiber filaments are elastic filaments, a 80D spandex is coated by short fibers to obtain a covering yarn A through production tests; two 40D spandex core-spun yarns B were covered with the same staple fiber. Fabrics with the same specification are manufactured, the elastic performance of the fabrics is tested, and the results show that the elastic elongation and the elastic recovery rate of the three core-spun yarns are shown, and the core-spun yarn B is larger than the core-spun yarn A.
Regarding the selection of yarn raw materials, the short fibers adopted by the outer coating layer 10 may be one or a mixture of more than two of natural fibers and chemical fibers, such as cotton fibers, hemp fibers, wool fibers, tencel, viscose, modal, terylene, chinlon, polypropylene fibers, and the like. When the staple fibers are also chemical fibers, it is also desirable to select a material that has a higher melting point than the second staple filaments 22.
In the present embodiment, the second chemical fiber filament 22 may be elastic or inelastic, and therefore, the second chemical fiber filament 22 may be polyester fiber, polyamide fiber, polyacrylonitrile fiber, polyolefin fiber, polyvinyl alcohol fiber, polyvinyl chloride fiber, rubber filament, elastic polyether ester, polyurethane, etc. The first chemical fiber filaments 21 are stretch yarns, and the elastomer fibers include, but are not limited to, rubber filaments, bicomponent filaments, polyolefins, elastic polyetheresters, and polyurethanes. For chemical fiber filament, filament manufacturers can provide filaments with different melting points, and those skilled in the art can purchase filaments according to the required melting point.
Regarding the yarn count range, the yarn count range of the first chemical fiber filaments 21 may be 10D to 600D, the yarn count range of the second chemical fiber filaments 22 may be 10D to 600D, and the overall yarn count range of the yarn is 6 to 100 Ne.
Preferably, the first chemical fiber filament 21 is polyurethane, such as spandex. The second chemical fiber filament 22 is polyester fiber or polyamide fiber, such as terylene, chinlon, spandex, etc. More preferably, the first chemical fiber filament 21 is made of spandex, and the second chemical fiber filament 22 is made of terylene, so that the problem of slippery elasticity of the fabric is prevented, the yarn strength is high, and the elasticity is durable; the first chemical fiber filament 21 and the second chemical fiber filament 22 are both spandex, so that the elasticity of the yarn is better, and the probability of the fabric slipping and bouncing is lower.
In the scheme of the invention, the melting point temperature of the second fiber filaments 22 is 90 ~ 210 ℃, because the fabric made of the yarn is subjected to after-treatment, one or a combination of more than two of drying, scouring and shaping can be carried out in the after-treatment, and the processes have certain requirements on the temperature, the temperature of the general drying process is 110 ~ 130 ℃, the temperature of the scouring process is 90-110 ℃, and the temperature of the shaping process is 80 ~ 200 ℃.
The invention also provides a preparation method of the yarn, and the yarn can be prepared by adopting a conventional spinning method. When the first chemical fiber filament 21 and the second chemical fiber filament 22 are arranged in parallel, the yarn is prepared by the following preparation method:
preparing roving from short fiber materials through blowing, cotton carding, drawing and roving processes in sequence;
the core-spun yarn is manufactured by applying the technical principle of core-spun yarn on a spinning frame, placing roving on a hanging spindle, feeding the roving through a rear roller, a middle roller and a front roller, additionally arranging an overhead frame above the spinning frame, storing a filament reel, introducing a godet wheel through a tension regulator in an axial active unwinding mode, feeding two filaments into a position between the front roller and the middle roller through a filament guiding device, outputting the filaments through the front roller, and coating short fibers with the filaments through twisting and matching with a yarn guide hook. The tension control device for the two filaments is adjusted to ensure that the tension of the filaments is uniform during unwinding and the tension of the process front roller is stable, so that the short fibers are spun into roving slivers and converged with the filaments on the front roller.
Wherein, the draft multiple of the first chemical fiber filament 21 is 1.5-6.0, the draft multiple of the back zone is 1.14-1.54, and the yarn of 6-100Ne is obtained by spinning. When the second chemical fiber filament 22 is also elastic filament, the draft multiple is 1.5-6.0, and the draft multiple of the back zone is 1.14-1.54 during spinning.
When the first chemical fiber filament 21 and the second chemical fiber filament 22 are spirally and mutually wound, the yarn is prepared by the following preparation method:
the method comprises the steps of processing two filaments, enabling the two filaments to be spiral if processing is carried out on a doubling machine, preparing rough yarn by sequentially carrying out processes of blowing, cotton carding, drawing and roving on short fiber materials, then applying covering yarn technical principle on a spinning machine, placing the rough yarn on a hanging spindle, feeding the rough yarn through a rear roller, a middle roller and a front roller, additionally arranging an elevated frame above the spinning frame, storing a filament reel, adopting an axial active unwinding mode, introducing a yarn guide wheel through a tension regulator, feeding the filament to a position between the front roller and the middle roller through a yarn guide device, and covering the filament with the short fiber through twisting and matching with a yarn guide hook after the filament is output by the front roller. The filament tension control device is adjusted to ensure that the tension of the filament is uniform during unwinding and the tension of the front roller during progress is stable, so that short fibers are spun into roving slivers through processing and are converged with the filament on the front roller.
Wherein, the draft multiple of the first chemical fiber filament 21 is 1.5-6.0, the draft multiple of the back zone is 1.14-1.54, and the yarn of 6-100Ne is obtained by spinning. When the second chemical fiber filament 22 is also elastic filament, the draft multiple is 1.5-6.0, and the draft multiple of the back zone is 1.14-1.54 during spinning.
When the second chemical fiber filament 22 coats the first chemical fiber filament 21, the yarn is prepared by adopting the following preparation method:
firstly, coating the first chemical fiber filament 21 on the second chemical fiber filament 22 by adopting a gas bag, a machine bag and other modes to form a composite filament; preparing roving from short fiber materials through blowing, cotton carding, drawing and roving processes in sequence; the roving is placed on a hanging spindle, the roving is fed through a rear roller, a middle roller and a front roller, an overhead frame is additionally arranged above a spinning frame and is used for storing a composite filament reel, an axial active unwinding mode is adopted, a filament guide wheel is introduced through a tension regulator, the composite filament is fed into the position between the front roller and the middle roller through a filament guide device, and the composite filament is delivered through the front roller and is twisted and matched with a yarn guide hook to wrap short fibers with filaments to prepare a cop. By adjusting the composite filament tension control device, the tension of the filament is uniform during unwinding, and the tension of the filament entering the front roller is stable, so that the short fiber is spun into a roving sliver after being processed and is converged with the filament on the front roller. Wherein, the first chemical fiber filament 21 is pre-coated by the second chemical fiber filament 22, the draft multiple of the first chemical fiber filament 21 is 1.5-6.0, the draft multiple of the back zone is 1.14-1.54 during spinning, and the yarn of 6-100Ne is obtained by spinning. When the second chemical fiber filament 22 is also an elastic filament, the draft ratio is 1.5-6.0, and the draft ratio in the back zone is 1.14-1.54.
The invention also provides a fabric which can be a woven fabric or a knitted fabric; the fabric is made of the yarn, and the elastic recovery rate of the fabric is over 90 percent. When the fabric is a knitted fabric, the yarn is the yarn of the present invention. When the fabric is a woven fabric, the warp or weft yarns may be the yarns of the present invention, and the woven fabric may have a warp density of 30 to 300/inch and a weft density of 20 to 200/inch. The clothes prepared by the fabric of the invention have no seam slippage, the surface of the clothes is fitted, and the arching caused by the seam slippage can not occur. Preferably, the fabric is a denim fabric.
The woven fabric generally needs to be subjected to after-finishing treatment, such as high-temperature heating (drying, scouring and shaping) and the like, and if the fabric is denim, the fabric is also subjected to washing water treatment (chemical treatment, such as oxidant treatment, chlorine bleaching treatment, enzyme treatment and the like). The existing covering yarn which takes stretch yarn as a core layer and is wrapped with short fiber is easy to cause damage of the stretch yarn in the after finishing or washing process to influence the elastic property of filament yarn, thereby causing the quality problem of losing elasticity on the fabric. After the fabric made of the yarn provided by the invention is heated or washed by water, the second chemical fiber filaments with low melting point are bonded with the first chemical fiber filaments with high melting point, so that a protective effect is realized on the bonding of the first chemical fiber filaments with high melting point. After the first chemical fiber filaments and the second chemical fiber filaments are bonded, the heating area of the first chemical fiber filaments can be reduced, so that a certain protection effect is achieved. Similarly, when washing water is carried out later, the contact area between the first chemical fiber filaments and the chemical reagent can be reduced, and the damage of the chemical washing water to the first chemical fiber filaments can be reduced. Moreover, when the first chemical fiber filaments and the second chemical fiber filaments are elastic filaments, the elastic property of the yarn can be enhanced, and even if washing water (such as chlorine bleaching) can affect the elastic property of the yarn, the yarn can not lose elasticity after washing water.
The invention also provides a production method of the fabric, which comprises the following steps of after-finishing treatment, wherein the after-finishing treatment comprises one or the combination of more than two of drying, scouring and shaping:
wherein, the shaping process is carried out on a shaping machine, the temperature of the shaping machine is controlled to be 80-200 ℃, the speed of the vehicle is 20-50 m/min, and the temperature and the speed of the vehicle are reasonably controlled;
the temperature is controlled to be 110 ~ 130 ℃ in the drying process;
the temperature is controlled to be 90-110 ℃ in the boiling process.
The post-finishing process may also include bleaching, dyeing, singeing, desizing, mercerizing, preshrinking, and the like, as well as any combination of the steps described. In the present invention, the steps of the after-treatment method other than the setting, boiling, and setting are not particularly limited, and those skilled in the art can set them as needed.
The temperature during the sizing, scouring or shaping process step should not be higher than the melting temperature of the second filamentary filaments 22. Because the second chemical fiber filaments 22 are completely melted into a liquid state by the excessive heating temperature, it is difficult to control the liquid with a certain viscosity to be uniformly bonded together, and the liquid second chemical fiber can adhere to the first chemical fiber filaments 21 and even permeate into the first chemical fiber filaments 21, which cannot enhance the elastic property of the yarn and cannot solve the problem that the manufactured fabric has slippery elasticity. Meanwhile, since the flow direction and the stacking position of the first chemical fiber filaments 21 cannot be controlled after the first chemical fiber filaments are melted, the yarn feels uncomfortable when the number of the stacking positions is large.
In conventional fabrics, if heat setting is not used to "set" the elastomeric fibers, the fabric has high shrinkage, excessive elongation, etc., which can lead to a negative experience for the consumer. Excessive shrinkage of the fabric during the finishing process and home laundering processes can cause creases on the fabric surface, which are created in this manner and are often difficult to remove by ironing. Therefore, in the post-finishing process, it is preferable to include a setting treatment.
The present invention is further illustrated by the following specific examples.
Example 1
Example (b): the first chemical fiber filament adopts 40D low-melting-point spandex filament (the melting point is 140-.
The preparation method of the stretch yarn comprises the following steps: the method comprises the steps of opening and cleaning cotton fibers, carding, drawing and roving to prepare roving, converging the roving and two spandex filaments at a front roller to coat the filaments, twisting the two spandex filaments in a side-by-side mode to form core yarns, wherein the drafting multiples of the spandex filaments with high and low melting points are 3.5 times, the drafting multiple of a rear zone is 1.20, and the 12Ne yarns are prepared through spinning.
The fabric 1 was woven using an 8Ne pure cotton yarn as a warp yarn and a weave structure of 3/1 stitches below, with the stretch yarn as a weft yarn. The fabric is singed, desized, shaped and preshrinked, wherein the shaping temperature on the shaping machine is 165 ℃, and after the clothes made of the fabric are subjected to chlorine bleaching, the problem of slippery and elastic appearance at the sewing line of the clothes does not occur.
Comparative example: the 8Ne pure cotton yarn is used as warp yarn, the weft yarn adopts 12Ne double-core-spun yarn, the core layer is spandex of 40D and 75D, the drafting multiple is 3.5 times, the outer layer is cotton fiber, the fabric 2 is made by adopting an 3/1 weave structure, and the fabric is subjected to the same after-finishing and washing processes.
Since the melting points of the 40D spandex and the 75D spandex used in the comparative example are both greater than 210 ℃, the 40D spandex and the 75D spandex are not slightly melted and bonded together when subjected to the setting treatment.
Fabric 1 and fabric 2 were tested for performance and the results are shown in table 1.
The clothes made of the fabric 1 and the fabric 2 were visually observed, wherein the clothes made of the fabric 1 did not exhibit the hydroplaning and bouncing phenomenon at the sewn place, and the probability of the hydroplaning and bouncing phenomenon at the sewn place of the clothes made of the fabric 2 was 30% higher than that of the clothes made of the fabric 1.
TABLE 1
| Variety of (IV) C | Elastic elongation | Elastic recovery | Rate of increase |
| Fabric 1 | 46.5 | 93.8 | 2.6 |
| Fabric 2 | 48.3 | 90.6 | 4.8 |
Example 2
Example (b): the first chemical fiber filament adopts 75D polyester filament with low melting point (the melting point is 130-160 ℃), the second chemical fiber filament adopts 105D spandex filament with high melting point (more than 190 ℃), the outer coating layer adopts cotton fiber, tencel and nylon short fiber, and the integral yarn count of the elastic yarn is 10S.
The preparation method of the stretch yarn comprises the following steps: the method comprises the steps of opening and cleaning cotton fiber, tencel and nylon short fiber, carding cotton, drawing and roving to obtain roving, processing two filaments into a spiral mode, and then processing
The roving and two filaments are converged at a front roller to realize the coating of the filaments by the short fibers, and then twisted into core yarns, wherein the drafting multiple of the spandex filaments with high melting point is 3.5 times, the drafting multiple of a rear zone is 1.24, and the yarns of 10Ne are prepared through spinning.
The fabric 3 was woven using an elastic yarn as a weft yarn and an 8Ne pure cotton yarn as a warp yarn, and using a weave structure of 3/1. The fabric is singed, desized, shaped and preshrinked, wherein the shaping temperature on a shaping machine is 150 ℃, and after the clothes made of the fabric are subjected to chlorine bleaching, the problem of slippery and elastic appearance at the sewing line of the clothes does not occur.
Comparative example: the 8Ne pure cotton yarn is used as warp yarn, the weft yarn adopts 10Ne double-core-spun yarn, the core layer is 75D polyester filament yarn and 105D spandex filament yarn, the draft multiple of the spandex is 3.5 times, the outer layer is cotton fiber, tencel and nylon short fiber, a fabric 4 is made by adopting an 3/1 tissue structure, and the fabric is subjected to the same after-finishing and washing processes.
Since the melting points of the 75D polyester filaments and the 105D spandex filaments used in the comparative example were both greater than 210 ℃, the 75D polyester filaments and the 105D spandex filaments were not slightly melted and bonded together when subjected to the sizing treatment.
Fabric 3 and fabric 4 were tested for performance and the results are shown in table 2.
The fabric 3 and the fabric 4 were visually observed, wherein the garment made of the fabric 3 did not exhibit the hydroplaning phenomenon at the sewn portion, and the garment made of the fabric 4 exhibited the hydroplaning phenomenon at the sewn portion with a probability higher by 34% than that of the garment made of the fabric 3.
TABLE 2
| Variety of (IV) C | Elastic elongation | Elastic recovery | Rate of increase |
| Fabric 3 | 40.8 | 95.3 | 2.3 |
| Fabric 4 | 43.6 | 91.8 | 4.2 |
Example 3
Example (b): the first chemical fiber filament adopts 75D low-melting point (110-.
The preparation method of the stretch yarn comprises the following steps: the method comprises the steps of opening and cleaning cotton fibers, modal and polyester staple fibers, carding, drawing and roving to prepare roving, converging the roving and composite filaments at a front roller to coat the filaments with the staple fibers, twisting to form core yarns, wherein the drafting multiple of the high-melting-point spandex filaments is 3.5 times, the drafting multiple of a rear zone is 1.25, and spinning to obtain the 9Ne yarn.
The fabric 5 was woven using an elastic yarn as a weft yarn and an 8Ne pure cotton yarn as a warp yarn, and using a weave structure of 3/1. The fabric is singed, desized, shaped and preshrinked, wherein the shaping temperature on a shaping machine is 150 ℃, and after the clothes made of the fabric are subjected to chlorine bleaching, the problem of slippery and elastic appearance at the sewing line of the clothes does not occur.
Comparative example: the 8Ne pure cotton yarn is used as warp yarn, the weft yarn adopts 9Ne double-core-wrapping yarn, the core layer is 40D spandex filament and 75D nylon filament, the draft multiple is 3.5 times, the outer layer is cotton fiber, modal and polyester fiber, the fabric 6 is made by adopting an 3/1 tissue structure, and the fabric is subjected to the same after-finishing and washing processes.
Because the melting points of the 40D spandex filament and the 75D chinlon filament adopted in the comparative example are both higher than 210 ℃, the 40D spandex filament and the 75D chinlon filament are not slightly melted and bonded together during the shaping treatment.
The fabric 5 and the fabric 6 were subjected to the performance test, and the test results are shown in table 3.
The fabric 5 and the fabric 6 were visually observed, wherein the garment made of the fabric 5 did not exhibit the hydroplaning phenomenon at the sewn portion, and the garment made of the fabric 6 exhibited the hydroplaning phenomenon at the sewn portion with a probability higher by 42% than that of the garment made of the fabric 5.
TABLE 3
| Variety of (IV) C | Elastic elongation | Elastic recovery | Rate of increase |
| Fabric 5 | 33.6 | 93.8 | 1.9 |
| Fabric 6 | 35.5 | 90.3 | 3.6 |
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. The yarn for preventing the spinning from the slippery bullets is a core-spun yarn and comprises an outer cladding layer and a core layer, wherein the outer cladding layer is clad on the outer surface of the core layer; the core layer consists of two chemical fiber filaments with different melting points, namely a first chemical fiber filament and a second chemical fiber filament, wherein the melting point of the first chemical fiber filament is higher than that of the second chemical fiber filament, and the first chemical fiber filament is an elastic filament; the first chemical fiber filament and the second chemical fiber filament are arranged in parallel and spirally wound or the second chemical fiber filament covers the first chemical fiber filament.
2. The draw-and-slip resistant yarn of claim 1 wherein the second filaments have a melting point of between 90 ~ 210 degrees Celsius and the second chemical filaments have a surface bonded to the outer cover and the first chemical filaments.
3. The draw and bounce prevention yarn of claim 1, wherein the first and second chemical fiber filaments are in a spiral wound configuration or the second chemical fiber filaments are in a filament-over-filament configuration.
4. The draw and bounce prevention yarn of claim 1, wherein the second chemical fiber filaments are non-stretch filaments.
5. The yam of claim 1, wherein the second chemical fiber filaments and the first chemical fiber filaments are both elastic filaments; the second staple filaments and the first staple filaments have different deniers.
6. The yarn of claim 1, wherein the first chemical fiber filament has a yarn count in the range of 10D-600D, the second chemical fiber filament has a yarn count in the range of 10D-600D, and the yarn has an overall yarn count in the range of 6-100 Ne;
the outer coating layer is made of short fibers; the short fiber is one or the mixture of more than two of natural fiber and chemical fiber;
the second chemical fiber filament is one of polyester fiber, polyamide fiber, polyacrylonitrile fiber, polyolefin fiber, polyvinyl alcohol fiber, polyvinyl chloride fiber, rubber filament, elastic polyether ester and polyurethane;
the first chemical fiber filament is rubber filament, bicomponent filament, polyolefin, elastic polyether ester or polyurethane.
7. The yarn of claim 1, wherein the outer coating layer is made of one or a mixture of more than two of cotton fiber, hemp fiber, wool fiber, tencel, viscose, modal, terylene, chinlon and polypropylene fiber;
the first chemical fiber filament is spandex, and the second chemical fiber filament is spandex, terylene or chinlon.
8. A fabric woven from the yarn of claim 1 ~ 7, wherein the fabric is a woven or knitted fabric having an elastic recovery of greater than 90%.
9. The fabric according to claim 8, wherein the fabric is a woven fabric, and the yarns are adopted as warp yarns or weft yarns; the warp density of the woven fabric is 30-300/inch, and the weft density is 20-200/inch; the fabric is a denim fabric.
10. A method of producing a fabric as claimed in claim 8, which includes one or a combination of more than two of drying, scouring and setting:
wherein the temperature is controlled to be 80-200 ℃ in the shaping process, and the vehicle speed is 20-50 m/min;
the temperature is controlled to be 110 ~ 130 ℃ in the drying process;
the temperature is controlled to be 90-110 ℃ in the boiling process.
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