CN111005127A - Elastic flame-retardant antistatic fabric and preparation method thereof - Google Patents

Elastic flame-retardant antistatic fabric and preparation method thereof Download PDF

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Publication number
CN111005127A
CN111005127A CN201911385156.5A CN201911385156A CN111005127A CN 111005127 A CN111005127 A CN 111005127A CN 201911385156 A CN201911385156 A CN 201911385156A CN 111005127 A CN111005127 A CN 111005127A
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Prior art keywords
flame
retardant
yarn
elastic
fiber
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Inventor
周绪波
单国良
盛华
于浩然
毕景中
赵军
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YANTAI TAYHO ADVANCED MATERIALS CO Ltd
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YANTAI TAYHO ADVANCED MATERIALS CO Ltd
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Publication of CN111005127A publication Critical patent/CN111005127A/en
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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
    • 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
    • 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
    • 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
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/441—Yarns or threads with antistatic, conductive or radiation-shielding properties
    • 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
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/443—Heat-resistant, fireproof or flame-retardant yarns or threads
    • 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
    • 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
    • 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
    • D03D15/513—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 heat-resistant or fireproof
    • 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
    • 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
    • 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
    • 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
    • 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
    • D10B2331/021—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides aromatic polyamides, e.g. aramides
    • 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]
    • 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
    • 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
    • D10B2401/00—Physical properties
    • D10B2401/16—Physical properties antistatic; conductive
    • 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
    • D10B2501/00—Wearing apparel

Abstract

The invention discloses an elastic flame-retardant antistatic fabric and a preparation method thereof. Compared with the common flame-retardant antistatic fabric, the flame-retardant antistatic fabric is lighter and lighter, the wearing comfort, the conformability and the air permeability are obviously improved, and the permanent flame-retardant antistatic fabric has excellent permanent flame-retardant and antistatic performances.

Description

Elastic flame-retardant antistatic fabric and preparation method thereof
Technical Field
The invention belongs to the technical field of flame-retardant antistatic elastic fabrics, and particularly relates to an elastic flame-retardant antistatic fabric and a preparation method thereof.
Background
With the importance of society on the life safety of human bodies and frequent safety accidents at the present stage, the application fields of the flame-retardant and antistatic clothes are more and more extensive. The common flame-retardant antistatic clothing is mainly processed by adopting flame-retardant and conductive fibers, the functionality and the durability are emphasized, and the comfort of a part of wearers feeding back the fabric is not good enough. In addition, some existing flame-retardant antistatic products are of a multilayer structure, certain flame-retardant performance is achieved by adding flame-retardant particles, the prepared clothes are heavy, poor in air permeability and functional durability, and pollution and damage to the environment are caused to a certain extent in the production process, so that development of a flame-retardant antistatic fabric which is environment-friendly, comfortable and better in durability is urgently needed.
Disclosure of Invention
The invention provides an elastic flame-retardant antistatic fabric and a preparation method thereof, aiming at overcoming the defects in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
an elastic flame-retardant antistatic fabric comprises a fabric body interwoven by a plurality of warps and a plurality of wefts, wherein both the warps and the wefts have elasticity or only the wefts have elasticity;
when the warp and the weft are elastic, the warp and the weft have the same structure and are both core-spun yarns or covering yarns with flame retardance and elasticity, and conductive wires are spirally wound outside part of the warp and part of the weft in the fabric body;
when only the weft has elasticity, the warp is warp formed by blending flame-retardant fibers or flame-retardant fibers and non-flame-retardant fibers, conductive wires are spirally wound outside part of the warp in the single-layer fabric body, the weft is covering yarns or covering yarns with flame retardance and elasticity, and the conductive wires are spirally wound outside part of the weft in the fabric body.
Further, the core-spun yarn comprises a core-spun core yarn and a core-spun leather yarn covering the outside of the core-spun core yarn, wherein the core-spun core yarn is elastic fiber, and the core-spun leather yarn is a flame-retardant fiber layer;
the covered yarn comprises a covered core yarn and a covered leather yarn spirally wound outside the covered core yarn, the covered core yarn is elastic fiber, and the covered leather yarn is at least one flame-retardant yarn.
Furthermore, the flame-retardant fiber layer and the flame-retardant yarn are both made of flame-retardant fibers or made of flame-retardant fibers and non-flame-retardant fibers in a mixed mode, when the flame-retardant fibers and the non-flame-retardant fibers are mixed, the mass of the flame-retardant fibers in the mixed fibers is larger than or equal to 70%, the mass of the non-flame-retardant fibers is smaller than or equal to 30%, and the non-flame-retardant fibers are uniformly distributed in gaps of the flame-retardant fibers; the non-flame-retardant fiber is any one or combination of more of polyester fiber, polyamide fiber, cotton fiber, viscose fiber and wool fiber.
Furthermore, the elastic fiber is spandex filament, and the flame-retardant fiber is meta-aramid fiber or a mixture of meta-aramid fiber and flame-retardant viscose fiber.
Further, the conductive yarn is a conductive yarn spun by conductive filaments or conductive staple fibers.
Furthermore, the density of the warp threads is 70-85 threads/inch, and one warp thread with conductive wires is arranged in every 0.2-1cm in a plurality of warp threads on the same horizontal plane.
Furthermore, the density of the weft is 58-75 per inch, and one weft with conductive yarns is arranged every 0.2-1cm in a plurality of wefts on the same horizontal plane.
Furthermore, the fineness of the warp and the fineness of the weft are both 10s-100 s.
Further, the surface density of the fabric body is 100-400g/m2The antistatic performance of the fabric reaches that the point-to-point resistance is less than 1 x 1011Ohm.
The preparation method of the elastic flame-retardant antistatic fabric comprises the steps that warp yarns are arranged in parallel in the warp direction, the density of the warp yarns is 70-85 per inch, one weft yarn with conductive yarns is added at intervals of 0.2-1cm, weft yarns are arranged in parallel in the weft direction, the density of the weft yarn is 58-75 per inch, one weft yarn with conductive yarns is added at intervals of 0.2-1cm, and yarns in two directions are interwoven according to a rule to form the elastic flame-retardant antistatic fabric.
Compared with the prior art, the invention has the following beneficial technical effects:
according to the invention, the elastic fiber is introduced into the fabric made of the intrinsic flame-retardant fiber, so that the properties of draping, softness and the like of the fabric are improved, and the wearing comfort is further improved; in addition, different combination modes of the elastic fibers and the conductive yarns are optimized, so that the elastic flame-retardant fabric has antistatic performance. Compared with the prior inelastic flame-retardant antistatic product, the fabric obtained by the invention has the advantages that the fabric flexibility is obviously improved under the condition of the same thickness, and the drapability is better; on the premise of improving the flexibility, the fabric has stronger copying and deforming capabilities and good air permeability in the wearing process, so that the wearing comfort is improved; in addition, under the condition of considering flame retardance, elasticity and familiarity, the antistatic functional performance is achieved through the introduction of the conductive fibers, and the effect of integrating the flame retardance, the antistatic functional performance and the like and the comfort is achieved.
Drawings
FIG. 1 is a schematic structural diagram of a flame-retardant antistatic elastic fabric of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic structural view of a core spun yarn externally wrapped with a conductive filament;
fig. 4 is a schematic structural view of the covering yarn externally wrapped with a conductive filament.
Wherein, 1, warp; 2. a weft; 5. a conductive filament; 6. a core-spun yarn; 7. wrapping core sheath yarn; 8. covering the core yarn; 9. and covering the leather yarns.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the attached drawing figures:
see the figure1 to 4, an elastic flame-retardant antistatic fabric comprises a fabric body interwoven by a plurality of warps 1 and a plurality of wefts 2, wherein the warps 1 and the wefts 2 have the same structure and are both core-spun yarns or covering yarns with flame retardance and elasticity, and conductive wires 5 are spirally wound outside part of the warps 1 and part of the wefts 2 in the fabric body; the core-spun yarn comprises a core-spun core yarn 6 and a core-spun sheath yarn 7 covering the outside of the core-spun core yarn 6, wherein the core-spun core yarn 6 is elastic fiber, and the core-spun sheath yarn 7 is a flame-retardant fiber layer; the covered yarn comprises a covered core yarn 8 and a covered leather yarn 9 spirally wound outside the covered core yarn 8, the covered core yarn 8 is elastic fiber, and the covered leather yarn 9 is at least one flame-retardant yarn; the flame-retardant fiber layer and the flame-retardant yarn are both formed by flame-retardant fibers or formed by mixing the flame-retardant fibers and the non-flame-retardant fibers, when the flame-retardant fibers and the non-flame-retardant fibers are mixed, the mass of the flame-retardant fibers in the mixed fibers is more than or equal to 70 percent, the mass of the non-flame-retardant fibers is less than or equal to 30 percent, and the non-flame-retardant fibers are uniformly distributed in gaps of the flame-; the non-flame-retardant fiber is any one of polyester fiber, polyamide fiber, cotton fiber and wool fiber; the elastic fiber is spandex filament, and the flame-retardant fiber is meta-aramid fiber or a mixture of meta-aramid fiber and flame-retardant viscose fiber; the conductive yarn 5 is conductive yarn spun by conductive filament or conductive staple; the density of the warp threads 1 is 70-85 threads/inch, and in the warp threads 1 which are positioned on the same horizontal plane, one warp thread 1 with conductive wires 5 is arranged every 0.2-1 cm; the density of the weft threads 2 is 58-75 per inch, and one weft thread 2 with conductive wires 5 is arranged in every 0.2-1cm among a plurality of weft threads 2 on the same horizontal plane; the fineness of the warp 1 and the fineness of the weft 2 are both 10s-100 s; the surface density of the fabric body is 100-400g/m2The antistatic performance of the fabric reaches that the point-to-point resistance is less than 1 x 1011Ohm.
Specifically, the elastic flame-retardant antistatic fabric is formed by twisting a plurality of flame-retardant fibers or a mixture of non-flame-retardant fibers and flame-retardant fibers, conductive short fibers/filaments and elastic fibers into yarns, wherein the yarns are woven into the fabric, and the elastic fibers are coated inside the yarns or the fabric by other fibers/filaments and are reduced to be exposed on the surface of the fabric as much as possible; the fabric has the advantages of elasticity, permanent flame retardance, static resistance and high elasticity (the elastic recovery rate is more than 5%).
The flame-retardant antistatic elastic fabric is prepared by weaving and post-processing yarns prepared by mixing and spinning flame-retardant fibers (or mixing flame-retardant fibers and non-flame-retardant fibers), conductive short fibers/filaments and elastic fibers or performing post-processing, wherein the flame-retardant fibers can be mixed with one or more fibers, the non-flame-retardant fibers can be mixed with one or more fibers, the conductive fibers can be organic or inorganic conductive fibers, and the elastic fibers mainly refer to spandex and other elastic fibers.
The preparation process adopts the following operations:
(1) the mixture of the flame-retardant fiber or the non-flame-retardant fiber and the conductive short fiber are spun into yarn according to a certain ratio (the mass ratio of the common conductive short fiber is 0.5-5%, the mass ratio of the flame-retardant fiber is more than or equal to 70%, and the mass ratio of the non-flame-retardant fiber is less than or equal to 30%), the yarn can be spun in a ring spinning mode, a siro spinning mode, a compact spinning mode or a siro compact spinning mode, and the thickness of the yarn is 10;
(2) the elastic fiber is combined with other short fibers (flame-retardant fibers or flame-retardant and non-flame-retardant mixed fibers) in a core-spun, wrapped or yarn-doubled mode to form the elastic yarn, the short fibers are wrapped on the outer layer of the elastic fiber or 1-4 strands of flame-retardant yarns (formed by spinning other fibers) are spirally wound on the outer layer of the elastic fiber, and the fineness of the elastic fiber is 10-1000D. The short fiber refers to flame-retardant fiber or flame-retardant and non-flame-retardant mixed fiber, and the short fiber bundle is single yarn with twist.
(3) The conductive fibers can be introduced by being thoroughly mixed with the flame-retardant or mixed fibers in a fiber mixing manner and randomly distributed in the yarn, or twisted with other fibers in a conductive filament manner to form conductive yarn.
According to the invention, elastic fibers are introduced into the warp and weft (or one direction) yarns of the fabric, so that the elasticity of the fabric in two directions or four directions is improved, the drapability and the flexibility of the fabric are improved, the wearing comfort is further improved, and the antistatic property of the fabric is improved by introducing conductive staple/filament yarns into the fabric by fiber blending or conductive yarn blending and other methodsThe national standard requirement is met; the fabric is woven fabric interwoven in the warp and weft directions, and the surface density range of the fabric is 100-400g/m2The antistatic performance of the fabric reaches that the point-to-point resistance is less than 1 x 1011Ohm.
The present invention is described in further detail below with reference to examples:
example 1
A single-layer flame-retardant antistatic elastic fabric is formed by interweaving yarns in warp and weft directions (interweaving warp and weft yarns). Is formed by blending intrinsically flame-retardant meta-aramid fiber, flame-retardant viscose and the like.
The meta-aramid fiber is dope dyed fiber, the linear density of a monofilament is 1.5D, and the mass fraction of the yarn is 49%; the flame-retardant viscose is white fiber, the linear density of the monofilament is 2D, and the mass fraction in the yarn is 49.5 percent; the elastic fiber is spandex filament, the linear density of the multifilament is 40D/3F, and the mass fraction in the yarn is 0.5 percent; the conductive yarn is nylon-based conductive filament, the mass fraction of the yarn is 1 percent, the linear density of the multifilament is 20D/3F, the thickness of the prepared yarn is 50S/2, and the surface density of the fabric is 160g/m2。
The elastic fiber is arranged in the core of the yarn and is covered by a fiber layer formed by uniformly mixing and dispersing meta-aramid fiber and viscose fiber to form elastic yarn, and the conductive filament is spirally wound outside the conductive yarn to form elastic conductive yarn;
the fabric warp yarns are formed by arranging elastic yarns in parallel, the density of warp yarns is 70 yarns/inch, and one elastic conductive yarn is added at intervals of 0.7 cm; the weft direction is formed by arranging elastic yarns in parallel, the density of the weft yarns is 58 yarns/inch, one elastic conductive yarn is added at intervals of 0.8cm, and the yarns in the two directions are interwoven into the fabric according to a certain rule.
On the premise of ensuring that basic functionality is not reduced, the softness of the elastic fabric is obviously improved, the bending length is reduced by more than 30% compared with the conventional fabric, and the moisture permeability is 6600 g/(m) of the conventional fabric224h) to about 7700, the comfort of the fabric is obviously improved. Antistatic performance: point-to-point resistance 4.66 x 108Omega, surface resistance 2.8X 108Ω(GB 12014-2009)。
Example 2
The flame-retardant antistatic elastic fabric is prepared by processing intrinsically flame-retardant meta-aramid, conductive fibers and elastic fibers.
The meta-aramid fiber is dope dyed fiber, the linear density of a monofilament is 1.3D, and the mass fraction of the yarn is 97%; the elastic fiber is spandex filament, the linear density of the multifilament is 40D/3F, and the mass fraction in the yarn is 1 percent; the conductive fiber is polyester-based conductive short fiber, the monofilament linear density is 3D, and the mass fraction of the yarn is 2%; the thickness of the prepared yarn is 40S/2, and the surface density of the fabric is 200g/m2。
The warp and weft yarns of the fabric contain elastic fibers, and the conductive fibers are blended into the fabric and are uniformly distributed in the fabric.
The elastic fiber is arranged in the core part of the yarn and is spirally wound by 2 fiber bundles spun by meta-aramid fiber and conductive short fiber to form elastic conductive yarn;
the warp direction of the fabric is formed by arranging elastic conductive yarns in parallel, the density of warp yarns is 85 pieces/inch, and one elastic conductive yarn is added at intervals of 1 cm; the weft direction is formed by arranging elastic conductive yarns in parallel, the density of the weft yarn is 75 pieces/inch, one elastic conductive yarn is added at intervals of 1cm, and the yarns in the two directions are interwoven according to a certain rule.
On the premise of ensuring that basic functionality is not reduced, the softness of the elastic fabric is obviously improved, the bending length is reduced by more than 30% compared with the conventional elastic fabric, and the moisture permeability is 6100 g/(m) of the conventional elastic fabric224h) to 7000, the comfort of the fabric is obviously improved. Antistatic performance: point-to-point resistor 8.66 x 1010Omega, surface resistance 2.8X 109Ω(GB12014-2009)。
Example 3
The flame-retardant antistatic elastic fabric is prepared by processing intrinsically flame-retardant meta-aramid, polyamide fiber, conductive filament and elastic fiber.
The meta-aramid fiber is dope dyed fiber, the linear density of a monofilament is 1.5D, and the mass fraction of the yarn is 80%; the elastic fiber is spandex filament, the linear density of the multifilament is 40D/3F, and the mass fraction in the yarn is 1 percent; the specification of the nylon fiber is 2D 851mm, and the mass fraction in the yarn is 17%; the conductive filament isThe nylon-based conductive filament has the multifilament linear density of 20D/3F and the mass fraction in the yarn is 2 percent. The thickness of the prepared yarn is 40S/2, and the surface density of the fabric is 200g/m2。
And only weft yarns of the fabric contain elastic fibers, and the warp direction has no elasticity.
Warp direction: aramid fiber and polyamide fiber are mixed according to the proportion of 89/11 to be spun into 40S/2 yarn as a part of warp, and conductive filament is spirally wound outside the 40S/2 yarn to form the non-elastic conductive yarn.
Weft direction: the elastic fiber is spirally wound by 2 single yarns of 40S/1 spun by meta-aramid fiber and nylon fiber according to the proportion of 89/11 in the core part of the yarn to form the elastic yarn and serve as a part of weft yarn, and the conductive filament is spirally wound outside the elastic yarn to form the elastic conductive yarn.
The fabric warp yarns are formed by arranging 40S/2 blended yarns and non-elastic conductive yarns in parallel, the density of warp yarns is 80 yarns/inch, and one non-elastic conductive yarn is added at intervals of 0.2 cm; the weft direction is formed by arranging elastic yarns and elastic conductive yarns in parallel, the density of the weft yarns is 65 pieces/inch, one elastic conductive yarn is added at intervals of 0.2cm, and the yarns in the two directions are interwoven into the fabric according to a certain rule.
On the premise of ensuring that basic functionality is not reduced, the softness of the elastic fabric is obviously improved, the nylon fibers are beneficial to improving the wear resistance of the fabric, the bending length is reduced by more than 30% compared with the conventional elastic fabric, and the moisture permeability is 6100 g/(m) of the conventional elastic fabric224h) to 7000, the comfort of the fabric is obviously improved. Antistatic performance: point-to-point resistance 4.81 x 107Omega, surface resistance 3.64X 107Ω(GB 12014-2009)。

Claims (10)

1. The elastic flame-retardant antistatic fabric is characterized by comprising a fabric body interwoven by a plurality of warps (1) and a plurality of wefts (2), wherein the warps (1) and the wefts (2) have elasticity or only the wefts (2) have elasticity;
when the warps (1) and the wefts (2) are elastic, the warps (1) and the wefts (2) have the same structure and are both core-spun yarns or covering yarns with flame retardance and elasticity, and conductive wires (5) are spirally wound outside part of the warps (1) and part of the wefts (2) in the fabric body;
when only the weft (2) has elasticity, the warp (1) is a warp formed by blending flame-retardant fibers or flame-retardant fibers and non-flame-retardant fibers, the conductive yarn (5) is spirally wound outside a part of the warps (1) in the single-layer fabric body, the weft (2) is a covering yarn or a covering yarn with flame retardance and elasticity, and the conductive yarn (5) is spirally wound outside a part of the wefts (2) in the fabric body.
2. An elastic flame-retardant antistatic fabric as claimed in claim 1, wherein the core-spun yarn comprises a core-spun yarn (6) and a core-spun sheath yarn (7) covering the outside of the core-spun yarn (6), wherein the core-spun yarn (6) is an elastic fiber, and the core-spun sheath yarn (7) is a flame-retardant fiber layer;
the covered yarn comprises a covered core yarn (8) and a covered leather yarn (9) spirally wound outside the covered core yarn (8), the covered core yarn (8) is elastic fiber, and the covered leather yarn (9) is at least one flame-retardant yarn.
3. The elastic flame-retardant antistatic fabric as claimed in claim 2, wherein the flame-retardant fiber layer and the flame-retardant yarn are both made of flame-retardant fibers or are made of flame-retardant fibers and non-flame-retardant fibers in a mixed manner, when the flame-retardant fibers and the non-flame-retardant fibers are mixed, the mass of the flame-retardant fibers in the mixed fibers is more than or equal to 70%, the mass of the non-flame-retardant fibers is less than or equal to 30%, and the non-flame-retardant fibers are uniformly distributed in gaps among the flame-retardant fibers; the non-flame-retardant fiber is any one or combination of more of polyester fiber, polyamide fiber, viscose fiber, cotton fiber and wool fiber.
4. An elastic flame-retardant antistatic fabric as claimed in claim 3, characterized in that the elastic fiber is spandex filament, and the flame-retardant fiber is meta-aramid fiber or a mixture of meta-aramid fiber and flame-retardant viscose fiber.
5. An elastic flame-retardant antistatic fabric as claimed in claim 1, wherein the conductive filaments (5) are conductive yarns spun from conductive filaments or conductive staple fibers.
6. An elastic flame-retardant antistatic fabric as claimed in claim 1, wherein the density of the warp threads (1) is 70-85 threads/inch, and one warp thread (1) with conductive filaments (5) is arranged every 0.2-1cm in a plurality of warp threads (1) on the same horizontal plane.
7. An elastic flame-retardant antistatic fabric as claimed in claim 1, wherein the density of the weft (2) is 58-75 per inch, and one weft (2) with conductive filaments (5) is arranged every 0.2-1cm in a plurality of wefts (2) on the same horizontal plane.
8. An elastic flame-retardant antistatic fabric as claimed in claim 1, wherein the fineness of the warp (1) and the fineness of the weft (2) are both 10s-100 s.
9. The elastic flame-retardant antistatic fabric as claimed in claim 1, wherein the surface density of the fabric body is 100-400g/m2The antistatic performance of the fabric reaches that the point-to-point resistance is less than 1 x 1011Ohm.
10. The preparation method of the elastic flame-retardant antistatic fabric as claimed in claim 1, characterized in that the fabric warp direction is formed by parallel arrangement of warp threads (1), the density of the warp threads (1) is 70-85 threads/inch, one weft thread (2) with conductive threads (5) is added at intervals of 0.2-1cm, the fabric weft direction is formed by parallel arrangement of weft threads (2), the density of the weft thread (2) is 58-75 threads/inch, one weft thread (2) with conductive threads (5) is added at intervals of 0.2-1cm, and the yarns in two directions are interwoven according to a rule to form the elastic flame-retardant antistatic fabric.
CN201911385156.5A 2019-12-28 2019-12-28 Elastic flame-retardant antistatic fabric and preparation method thereof Pending CN111005127A (en)

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