CN106400227A - Production method of spun dyeing complete extinction ATY fiber for vehicles - Google Patents

Production method of spun dyeing complete extinction ATY fiber for vehicles Download PDF

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Publication number
CN106400227A
CN106400227A CN201610792957.3A CN201610792957A CN106400227A CN 106400227 A CN106400227 A CN 106400227A CN 201610792957 A CN201610792957 A CN 201610792957A CN 106400227 A CN106400227 A CN 106400227A
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CN
China
Prior art keywords
fiber
full
dull
pet
aty
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Pending
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CN201610792957.3A
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Chinese (zh)
Inventor
李众
万秋琪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHANGZHOU XINZHANJIANG SPECIAL FIBER Co Ltd
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CHANGZHOU XINZHANJIANG SPECIAL FIBER Co Ltd
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Priority to CN201610792957.3A priority Critical patent/CN106400227A/en
Publication of CN106400227A publication Critical patent/CN106400227A/en
Pending legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/12—Stretch-spinning methods
    • D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/78—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products
    • D01F6/84—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products from copolyesters
    • 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
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/16—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam
    • D02G1/165—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam characterised by the use of certain filaments or yarns
    • 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
    • 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
    • D02G3/36—Cored or coated yarns or threads
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
    • 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
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
    • 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
    • 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
    • D10B2505/00—Industrial
    • D10B2505/12—Vehicles

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Artificial Filaments (AREA)

Abstract

The invention relates to the fiber manufacture field and especially relates to a production method of spun dyeing complete extinction ATY fiber for vehicles. complete extinction PET colored POY fiber is used as raw material, through air-texturing and thermoforming to obtain spun dyeing complete extinction ATY fiber for vehicles. The produced spun dyeing complete extinction ATY fiber for vehicles is especially suitable for the production of textile fabrics with a high degree of light fastness and high weather resistance such as automotive decorative fabrics. Combined spinning of high light fastness colored master batches and PET complete extinction slices is used as the fiber of the invention, and spun dyeing complete extinction ATY fiber is obtained through air-texturing, wherein the spun dyeing complete extinction ATY fiber has high weather resistance, bright and soft appearance and good drapability.

Description

A kind of automobile-used production method spinning front coloring full-dull ATY fiber
Technical field
The present invention relates to fabric manufacturing area, particularly a kind of automobile-used production method spinning front coloring full-dull ATY fiber.
Background technology
Whole extinction polyester fiber is increasingly subject to textile enterprise with its unique appearance characteristics (gloss is soft, drapability is good) Favor and like, from 2003, with domestic whole extinction polyester fiber fabric in the breakthrough of Final finishing technology, totally disappeared optical fiber Dimension application is constantly expanded.Whole extinction polyester fiber except have the intrinsic premium properties of conventional polyester fiber (as high in intensity, Elasticity is good, heat-resisting, wear-resisting etc.), also have the advantages that gloss is soft, can deeply contaminate and fabric fall is good.Fine with omni-direction permutation Tie up the aurora that woven automobile decoration fabric can eliminate polyester fibre surface, make fabric have soft light as wool fabric Pool.Compare semi dull fibre, whole extinction polyester fiber has bigger advantage in rear road dyeability and cotton feel, its market Application potential is huge.And the method making whole extinction polyester fiber is rarely reported, and carry out coloring meeting in spinning process to ring Chronic pollution is caused in border.
Content of the invention
The present invention is in order to overcome the shortcomings of above-mentioned technical problem, there is provided coloring full-dull ATY fiber before a kind of automobile-used spinning Production method, above-mentioned technical problem can be fully solved.
The technical scheme solving above-mentioned technical problem is as follows：
A kind of automobile-used production method spinning front coloring full-dull ATY fiber, with full-dull PET (poly terephthalic acid second two Alcohol ester) coloured POY fiber obtains coloring full-dull ATY fiber, institute before automobile-used spinning after the air-texturing and thermal finalization for raw material The air-texturing pressure stated is 6.8～12kgf/cm2, the temperature of thermal finalization is 200～235 DEG C.
Further, the specification of the coloured POY fiber of full-dull PET (polyethylene terephthalate) be 140～ The preparation method of the coloured POY fiber of 540dt/36～192f, full-dull PET (polyethylene terephthalate) is：To totally disappeared Light PET section and color master-batch are raw material, the addition of described color master-batch be full-dull PET coupon weight 2.0～ 12.0%, through pre-crystallized, dry, mixing, extrusion, filtration, spinning, side-blown air cooling, oil and winding obtains；Wherein, Masterbatch is inorganic, organic pigment, PET/PBT master batch carrier, the mixture of LONGM2# antistatic additive of high light fastness；PBT The effect of the pigment, dyestuff and PET section melt mixed in master batch can be increased.Wherein, spinning temperature is 275～295 DEG C, connection Benzene temperature be 277～295 DEG C, cooling adopt cross air blasting mode, blowing wind-warm syndrome be 20～30 DEG C, cooling wind speed be 0.35～ 0.7m/s, winding speed is 2800～3400m/min.
PET full-dull polyester physical index：Relative viscosity 0.682 ± 0.02,258 ± 2 DEG C of fusing point, terminal hydroxyl content 30 ± 2mol/t, form and aspect (b) 3.2, aggregated particle (10 μm of ＞)≤1.0/mg, moisture content is less than 600ppm, content of titanium dioxide 2.2 ± 0.5%.
The invention has the beneficial effects as follows：
Full-dull ATY fiber is coloured with omni-direction permutation section as spinning material, terminal before the automobile-used spinning that the present invention produces Finished product fabric can eliminate the aurora of polyester fibre surface, and finished product carries out deformation processing using air-texturing mode to yarn, The looped pile of yam surface also can be effectively increased the diffusing reflection of fiber surface light, makes fabric have soft gloss as wool fabric, There is imitative short fine similar style, soft with the terminal fabric gloss appearance of fiber weaving of the present invention, drapability is good, greatly improves Application in automotive fabric field for the terylene woven fabric, product processes are simple, power consumption is low.Present invention design simultaneously Coloring full-dull ATY fiber before automobile-used spinning, using coloring spinning technique before spinning, the three wastes such as production process no waste water,waste gas and industrial residue Pollution, subsequent product need not dye again, is a kind of environmental protection fiber very friendly to environment.
Full-dull ATY fiber is coloured, being particularly well-suited to making automobile decoration fabric etc. will before the automobile-used spinning that the present invention produces Ask higher light fastness, the textile fabric of high durable performance, fiber of the present invention adopts high light fastness color master-batch and PET Full-dull polyester co-blended spinning, and coloring full-dull ATY fiber before spinning is prepared by air-texturing, have higher weather-proof Performance, gloss appearance is soft, drapability is good, and end product is applied to the automobiles such as face fabric for automobile seat, automotive headrest fabric and spins Fabric.
Brief description
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the schematic diagram of the production method of embodiment 1；
In figure：1 is first roller, and 2 is the second roller, and 3 is the 3rd roller, and 4 is the 4th roller, and 5 is fast sale, and 6 is air Deformation case, roller based on 7,8 is heat-setting box, and 9 is oil tanker, and 10 is the product that winding obtains.
Specific embodiment
Embodiment 1：
As shown in figure 1, a kind of automobile-used production method spinning front coloring full-dull ATY fiber, concretely comprise the following steps：With full-dull The coloured POY fiber of PET (polyethylene terephthalate) is raw material, that is, with full-dull PET (polyethylene terephthalate Ester) coloured POY fiber is space-variant Pisi and space-variant core filaments, enters silk using first roller 1 and the second roller 2, and through fast-selling 5 hot-drawns Stretch, then after stretching through the 3rd roller 3 and the 4th roller 4, respectively through first roller 1 and the 3rd roller 3, Pisi is respectively through for core filaments Two rollers 2 and the 4th roller 4, enter air-texturing in space-variant case 6, and described air-texturing pressure is 6.8kgf/cm2, wherein, In air texturing box, setting humidifying water nozzle and air texturing nozzle carry out squirting process to fiber, and then wire vent guides heat through main roller 7 Carry out thermal finalization process, the temperature of thermal finalization is 200 DEG C, is wound into product after finally being oiled by oil tanker 9 in shaping box 8 10.
Wherein, the specification of the coloured POY fiber of full-dull PET (polyethylene terephthalate) is 140～540dt/36 ～192f.
The preparation method of the coloured POY fiber of full-dull PET (polyethylene terephthalate) is：Full-dull PET is cut Piece and color master-batch are raw material, and the addition of described color master-batch is the 2.0% of full-dull PET coupon weight, ties through pre- Crystalline substance, drying, mixing, extrusion, filtration, spinning, side-blown air cooling, oil and winding obtains；Wherein, color master-batch is high Exposure to Sunlight jail Inorganic, organic pigment, PET/PBT master batch carrier, the mixture of LONGM2# antistatic additive of degree；Wherein, spinning temperature is 275 DEG C, biphenyl temperature is 277 DEG C, and cooling adopts cross air blasting mode, and blowing wind-warm syndrome is 20 DEG C, and cooling wind speed is 0.35m/s, winding speed Spend for 2800m/min.
Before this automobile-used spinning, coloring full-dull ATY fiber final color is with full-dull PET (polyethylene terephthalate) On the basis of coloured POY fiber color.
Wherein, before automobile-used spinning, coloring full-dull ATY fiber dimensious scope is 180～1000dt/72～384f.Wherein, main Roller process velocity 250m/min, 98 DEG C of fast-selling temperature, core filaments overfeeding 8%, Pisi overfeeding 16%, sizing adopts closed hot tank Sizing.
Embodiment 2：
A kind of automobile-used production method spinning front coloring full-dull ATY fiber, concretely comprises the following steps：(gathered to benzene with full-dull PET Naphthalate) coloured POY fiber is raw material, that is, fine with the coloured POY of full-dull PET (polyethylene terephthalate) Tie up as space-variant Pisi and space-variant core filaments, silk is entered using first roller 1 and the second roller 2, and through fast-selling 5 hot-stretch, then through the 3rd After roller 3 and the 4th roller 4 stretching, respectively through first roller 1 and the 3rd roller 3, Pisi is respectively through the second roller 2 and for core filaments Four rollers 4, enter air-texturing in space-variant case 6, and described air-texturing pressure is 12kgf/cm2, wherein, in air texturing box Setting humidifying water nozzle and air texturing nozzle carry out squirting process to fiber, and then wire vent guides in heat-setting box 8 through main roller 7 and carries out Thermal finalization is processed, and the temperature of thermal finalization is 235 DEG C, is wound into product 10 by oil tanker 9 after finally being oiled.
Wherein, the specification of the coloured POY fiber of full-dull PET (polyethylene terephthalate) is 140～540dt/36 ～192f.
The preparation method of the coloured POY fiber of full-dull PET (polyethylene terephthalate) is：Full-dull PET is cut Piece and color master-batch are raw material, and the addition of described color master-batch is the 12.0% of full-dull PET coupon weight, ties through pre- Crystalline substance, drying, mixing, extrusion, filtration, spinning, side-blown air cooling, oil and winding obtains；Wherein, color master-batch is high Exposure to Sunlight jail Inorganic, organic pigment, PET/PBT master batch carrier, the mixture of LONGM2# antistatic additive of degree；Wherein, spinning temperature is 295 DEG C, biphenyl temperature is 295 DEG C, and cooling adopts cross air blasting mode, and blowing wind-warm syndrome is 30 DEG C, and cooling wind speed is 0.7m/s, winding speed Spend for 3400m/min.
Before this automobile-used spinning, coloring full-dull ATY fiber final color is with full-dull PET (polyethylene terephthalate) On the basis of coloured POY fiber color.
Wherein, before automobile-used spinning, coloring full-dull ATY fiber dimensious scope is 180～1000dt/72～384f.Wherein, main Roller process velocity 650m/min, 145 DEG C of fast-selling temperature, core filaments overfeeding 36%, Pisi overfeeding 58%, sizing adopts closed type hot Case is shaped.
Embodiment 3：
A kind of automobile-used production method spinning front coloring full-dull ATY fiber, concretely comprises the following steps：(gathered to benzene with full-dull PET Naphthalate) coloured POY fiber is raw material, that is, fine with the coloured POY of full-dull PET (polyethylene terephthalate) Tie up as space-variant Pisi and space-variant core filaments, silk is entered using first roller 1 and the second roller 2, and through fast-selling 5 hot-stretch, then through the 3rd After roller 3 and the 4th roller 4 stretching, respectively through first roller 1 and the 3rd roller 3, Pisi is respectively through the second roller 2 and for core filaments Four rollers 4, enter air-texturing in space-variant case 6, and described air-texturing pressure is 9.5kgf/cm2, wherein, air texturing box Interior setting humidifying water nozzle and air texturing nozzle carry out squirting process to fiber, and then wire vent guides in heat-setting box 8 through main roller 7 Row thermal finalization is processed, and the temperature of thermal finalization is 215 DEG C, is wound into product 10 by oil tanker 9 after finally being oiled.
Wherein, the specification of the coloured POY fiber of full-dull PET (polyethylene terephthalate) is 140～540dt/36 ～192f.
The preparation method of the coloured POY fiber of full-dull PET (polyethylene terephthalate) is：Full-dull PET is cut Piece and color master-batch are raw material, and the addition of described color master-batch is the 7.0% of full-dull PET coupon weight, ties through pre- Crystalline substance, drying, mixing, extrusion, filtration, spinning, side-blown air cooling, oil and winding obtains；Wherein, color master-batch is high Exposure to Sunlight jail Inorganic, organic pigment, PET/PBT master batch carrier, the mixture of LONGM2# antistatic additive of degree；Wherein, spinning temperature is 285 DEG C, biphenyl temperature is 286 DEG C, and cooling adopts cross air blasting mode, and blowing wind-warm syndrome is 25 DEG C, and cooling wind speed is 0.55m/s, winding speed Spend for 3100m/min.
Before this automobile-used spinning, coloring full-dull ATY fiber final color is with full-dull PET (polyethylene terephthalate) On the basis of coloured POY fiber color.
Wherein, before automobile-used spinning, coloring full-dull ATY fiber dimensious scope is 180～1000dt/72～384f.Wherein, main Roller process velocity 400m/min, 115 DEG C of fast-selling temperature, core filaments overfeeding 21%, Pisi overfeeding 38%, sizing adopts closed type hot Case is shaped.
The above, be only presently preferred embodiments of the present invention, and not the present invention is done with any pro forma restriction, every according to According to any simple modification in the technical spirit of the present invention, above example made, equivalent variations, each fall within the guarantor of the present invention Within the scope of shield.

Claims (2)

1. a kind of automobile-used production method spinning front coloring full-dull ATY fiber is it is characterised in that (gathered to benzene two with full-dull PET Formic acid glycol ester) coloured POY fiber obtains coloring full-dull ATY before automobile-used spinning after the air-texturing and thermal finalization for raw material Fiber, described air-texturing pressure is 6.8～12kgf/cm2, the temperature of thermal finalization is 200～235 DEG C.
2. according to claim 1 automobile-used spin before coloring full-dull ATY fiber production method it is characterised in that described The coloured POY fiber of full-dull PET (polyethylene terephthalate) specification be 140～540dt/36～192f, totally disappeared The preparation method of the coloured POY fiber of light PET (polyethylene terephthalate) is：By full-dull PET section and color master-batch For raw material, the addition of described color master-batch is the 2.0～12.0% of full-dull PET coupon weight, through pre-crystallized, dry Dry, mixing, extrusion, filtration, spinning, side-blown air cooling, oil and winding obtains；Wherein, color master-batch is high light fastness Inorganic, organic pigment, PET/PBT master batch carrier, the mixture of LONGM2# antistatic additive；Wherein, spinning temperature is 275～295 DEG C, biphenyl temperature is 277～295 DEG C, and cooling adopts cross air blasting mode, and blowing wind-warm syndrome is 20～30 DEG C, and cooling wind speed is 0.35 ～0.7m/s, winding speed is 2800～3400m/min.
CN201610792957.3A 2016-08-31 2016-08-31 Production method of spun dyeing complete extinction ATY fiber for vehicles Pending CN106400227A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110453327A (en) * 2019-09-09 2019-11-15 信泰(福建)科技有限公司 The production method of blank variable yarn and a kind of blank variable yarn
CN113668115A (en) * 2021-05-13 2021-11-19 江苏欣战江纤维科技股份有限公司 Production method of high-weather-resistance mixed-color air textured yarn for dope-dyed vehicles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110453327A (en) * 2019-09-09 2019-11-15 信泰(福建)科技有限公司 The production method of blank variable yarn and a kind of blank variable yarn
CN113668115A (en) * 2021-05-13 2021-11-19 江苏欣战江纤维科技股份有限公司 Production method of high-weather-resistance mixed-color air textured yarn for dope-dyed vehicles

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Application publication date: 20170215

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