CN107419355B - A kind of processing method of useless acrylic fibres cloth - Google Patents
A kind of processing method of useless acrylic fibres cloth Download PDFInfo
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- CN107419355B CN107419355B CN201710712944.5A CN201710712944A CN107419355B CN 107419355 B CN107419355 B CN 107419355B CN 201710712944 A CN201710712944 A CN 201710712944A CN 107419355 B CN107419355 B CN 107419355B
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/54—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of unsaturated nitriles
-
- 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
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
- D06M16/003—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic with enzymes or microorganisms
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/26—Polymers or copolymers of unsaturated carboxylic acids or derivatives thereof
- D06M2101/28—Acrylonitrile; Methacrylonitrile
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Bedding Items (AREA)
Abstract
The invention mainly relates to textile technology fields, disclose a kind of processing method of useless acrylic fibres cloth, including：Sorting removal of impurities, decoloration sterilization, high-temperature fusion, fibre strengthening, spinning moulding；Method is simple, and obtained regeneration acrylic fiber intensity is high, and percent of decolourization reaches 85.7%, and preparation process is free of any toxic reagent, health environment-friendly；It is cleaned after the sorting of useless acrylic fibres cloth, removes sundries, be convenient for subsequent processing；Primary election cloth is placed in decolouring pond, zymotic fluid is added and zymophyte elder generation hot fermentation promotes growing microorganism, multiple-microorganism carries out metabolism, generate a large amount of Extracellular metabolism, the binding ability of dyestuff and cloth is reduced, decoloration is promoted, then replaces zymotic fluid and carries out cold fermentation, it significantly improves the decolorizing effect of useless acrylic fibres fiber, expands the application range of regeneration acrylic fiber and safe and healthy.
Description
Technical field
The invention mainly relates to textile technology field more particularly to a kind of processing methods of useless acrylic fibres cloth.
Background technology
Increasing to the demand of clothes as China human mortality is continuously increased, resource is more and more nervous, and generate
Waste and old out-of-date clothes is more and more, and along with the leftover pieces generated in Apparel Manufacturing, scrap fabric is also more and more, still
The rate of recovery of China's scrap fabric only has 20 ~ 40% at present, and prodigious waste is caused to resource.
Seldom to effective reclaiming method of scrap fabric at present, 105839199 A of patent document CN disclose one kind
Polyester disused cloth is prepared into Regenerated Polyester Staple Fiber dimension, only first removes waste and old terylene cloth by polyester disused cloth spinning chemical fibre technique
Impurity is squeezed after remelted mixing, obtains Regenerated Polyester Staple Fiber dimension, there is no decolorization is carried out to terylene, is obtained
Regenerated polyester fiber is colorful, and the raw material of waste and old terylene cloth is different, the regenerated polyester fiber of generation just not phase
Together, hence it is evident that limit the use scope of Regenerated Polyester Staple Fiber dimension.
Invention content
In order to make up the defect of prior art, the object of the present invention is to provide a kind of processing methods of useless acrylic fibres cloth.
A kind of processing method of useless acrylic fibres cloth, includes the following steps：
（1）Sorting removal of impurities：Useless acrylic fibres cloth is sub-elected from mixing cloth, is washed, sundries is removed, convenient for follow-up
Processing, obtains primary election acrylic fibers；
（2）Decoloration sterilization：Primary election cloth is placed in decolouring pond, the zymotic fluid of 2 ~ 3 times of amounts of primary election fabric weight is added, connects
Enter zymophyte, ferment 2 ~ 4 days in 34 ~ 36 DEG C, take out cloth, rejoin zymotic fluid, access zymophyte, in 30 ~ 32 DEG C of fermentations 2
~ 3 days, first hot fermentation promoted growing microorganism, multiple-microorganism to carry out metabolism, generate a large amount of Extracellular metabolism, drops
The binding ability of low dye and cloth promotes decoloration, then replaces zymotic fluid and carry out cold fermentation, promotes Extracellular metabolism production
It is raw, hence it is evident that improve the decolorizing effect of useless acrylic fibres fiber, expand the application range of regeneration acrylic fiber and safe and healthy, clear water drift
It washes, must decolourize to sterilize acrylic fibers；
（3）High-temperature fusion：Decoloration sterilization acrylic fibers are subjected to vacuum fusion, 260 ~ 280 DEG C is heated to, keeps the temperature 20 ~ 30 minutes,
It avoids acrylic fiber fabric color and luster in melting process from deepening, increases acrylic fiber mobility, improve the whiteness of regeneration acrylic fiber and make
With value, melting acrylic fibers are obtained；
（4）Fibre strengthening：Hardening agent is added into melting acrylic fibers, addition is melt acrylic fibers weight 0.03 ~ 0.05%,
It being stirred 20 ~ 25 minutes in 260 ~ 270 DEG C, 52 ~ 54 revs/min, hardening agent is safe and healthy, improves the intensity of regeneration acrylic fiber,
Promote spinning moulding, improve fiber continuity, reduce broken filaments and fault, reduce and accelerate solidification, improves regeneration acrylic fiber
Intensity expands application range, obtains reinforcing acrylic fibers；
（5）Spinning moulding：Acrylic fibers will be strengthened and carry out wet spinning, obtain regeneration acrylic fiber.
The step（2）Zymotic fluid, be the white sand sugar juice that mass concentration is 12 ~ 14%.
The step（2）Zymophyte, be made of the bacterial strain of following parts by weight：Angel wine yeast 16 ~ 18, acidophilus breast
Bacillus 13 ~ 15, Pichia pastoris 7 ~ 9, bacillus licheniformis 6 ~ 8, each bacterial strain take precipitation to mix after secondary fermentation.
The step（3）Vacuum fusion, vacuum degree be -50 ~ -60kPa.
The step（4）Hardening agent, be made of the raw material of following parts by weight：Methylcellulose 13 ~ 15, Arabic gum 7 ~
9, sodium selenite 6 ~ 8.
The step（5）Wet spinning, strengthen acrylic fibers temperature be 40 ~ 42 DEG C.
The processing method of the useless acrylic fibres cloth is obtained to regenerate acrylic fiber.
The application method of the regeneration acrylic fiber, single textile or blended at new cloth, prepare clothes, bedding,
Fabric toy.
It is an advantage of the invention that：The processing method of useless acrylic fibres cloth provided by the invention, method is simple, obtained regeneration
Acrylic fiber intensity is high, and percent of decolourization reaches 85.7%, and preparation process is free of any toxic reagent, health environment-friendly；Useless acrylic fibres cloth
It is cleaned after sorting, removes sundries, be convenient for subsequent processing；Primary election cloth is placed in decolouring pond, zymotic fluid and fermentation is added
Bacterium elder generation hot fermentation promotes growing microorganism, multiple-microorganism to carry out metabolism, generates a large amount of Extracellular metabolism, reduces dye
The binding ability of material and cloth promotes decoloration, then replaces zymotic fluid and carry out cold fermentation, and Extracellular metabolism is promoted to generate, bright
The aobvious decolorizing effect for improving useless acrylic fibres fiber expands the application range of regeneration acrylic fiber and safe and healthy；It is carried out after decoloration
Vacuum fusion increases acrylic fiber mobility, and acrylic fiber fabric color and luster in melting process is avoided to deepen, and improves regeneration acrylic fiber
Whiteness and use value；Hardening agent is added after melting, hardening agent is safe and healthy, improves the intensity of regeneration acrylic fiber, promotes to spin
Silk molding, improves fiber continuity, reduces broken filaments and fault, reduces and accelerates solidification, improves the intensity of regeneration acrylic fiber, expands
Big application range can prepare clothes, bedding and fabric toy with single textile or blended at new cloth.
Specific implementation mode
Illustrate the present invention with specific embodiment below.
Embodiment 1
A kind of processing method of useless acrylic fibres cloth, includes the following steps：
（1）Sorting removal of impurities：Useless acrylic fibres cloth is sub-elected from mixing cloth, is washed, sundries is removed, convenient for follow-up
Processing, obtains primary election acrylic fibers；
（2）Decoloration sterilization：Primary election cloth is placed in decolouring pond, the zymotic fluid of 2 times of amounts of primary election fabric weight, access is added
Zymophyte is fermented 2 days in 34 DEG C, takes out cloth, rejoins zymotic fluid, accesses zymophyte, is fermented 2 days in 30 DEG C, first high temperature
Fermentation promotes growing microorganism, multiple-microorganism to carry out metabolism, generates a large amount of Extracellular metabolism, reduces dyestuff and cloth
Binding ability, promote decoloration, then replace zymotic fluid and carry out cold fermentation, promote Extracellular metabolism to generate, hence it is evident that improve useless
The decolorizing effect of old acrylic fiber expands the regeneration application range of acrylic fiber and safe and healthy, and clear water rinsing must decolourize to sterilize
Acrylic fibers；
（3）High-temperature fusion：Decoloration sterilization acrylic fibers are subjected to vacuum fusion, 260 DEG C is heated to, keeps the temperature 20 minutes, avoid melting
Acrylic fiber fabric color and luster is deepened during melting, and increases acrylic fiber mobility, improves the whiteness and use value of regeneration acrylic fiber,
Acrylic fibers must be melted；
（4）Fibre strengthening：It being added hardening agent into melting acrylic fibers, addition be the 0.03% of melting acrylic fibers weight, in 260 ~
270 DEG C, 52 revs/min are stirred 20 minutes, and hardening agent is safe and healthy, improves the intensity of regeneration acrylic fiber, promotes spinning moulding,
Fiber continuity is improved, broken filaments and fault are reduced, reduces and accelerates solidification, improves the intensity of regeneration acrylic fiber, expands application
Range obtains reinforcing acrylic fibers；
（5）Spinning moulding：Acrylic fibers will be strengthened and carry out wet spinning, it is 40 DEG C to strengthen acrylic fibers temperature, obtains regeneration acrylic fiber.
The step（2）Zymotic fluid, be the white sand sugar juice that mass concentration is 12%.
The step（2）Zymophyte, be made of the bacterial strain of following parts by weight：Angel wine yeast 16, acidophilus breast bar
Bacterium 13, Pichia pastoris 7, bacillus licheniformis 6, each bacterial strain take precipitation to mix after secondary fermentation.
The step（3）Vacuum fusion, vacuum degree be -50kPa.
The step（4）Hardening agent, be made of the raw material of following parts by weight：Methylcellulose 13, Arabic gum 7, Asia
Sodium selenate 6.
The processing method of the useless acrylic fibres cloth is obtained to regenerate acrylic fiber.
The application method of the regeneration acrylic fiber, single textile or blended at new cloth, prepare clothes, bedding,
Fabric toy.
Embodiment 2
A kind of processing method of useless acrylic fibres cloth, includes the following steps：
（1）Sorting removal of impurities：Useless acrylic fibres cloth is sub-elected from mixing cloth, is washed, sundries is removed, convenient for follow-up
Processing, obtains primary election acrylic fibers；
（2）Decoloration sterilization：Primary election cloth is placed in decolouring pond, the zymotic fluid of 2 times of amounts of primary election fabric weight, access is added
Zymophyte is fermented 3 days in 35 DEG C, takes out cloth, rejoins zymotic fluid, accesses zymophyte, is fermented 2 days in 31 DEG C, first high temperature
Fermentation promotes growing microorganism, multiple-microorganism to carry out metabolism, generates a large amount of Extracellular metabolism, reduces dyestuff and cloth
Binding ability, promote decoloration, then replace zymotic fluid and carry out cold fermentation, promote Extracellular metabolism to generate, hence it is evident that improve useless
The decolorizing effect of old acrylic fiber expands the regeneration application range of acrylic fiber and safe and healthy, and clear water rinsing must decolourize to sterilize
Acrylic fibers；
（3）High-temperature fusion：Decoloration sterilization acrylic fibers are subjected to vacuum fusion, 270 DEG C is heated to, keeps the temperature 25 minutes, avoid melting
Acrylic fiber fabric color and luster is deepened during melting, and increases acrylic fiber mobility, improves the whiteness and use value of regeneration acrylic fiber,
Acrylic fibers must be melted；
（4）Fibre strengthening：It being added hardening agent into melting acrylic fibers, addition be the 0.04% of melting acrylic fibers weight, in 260 ~
270 DEG C, 53 revs/min are stirred 23 minutes, and hardening agent is safe and healthy, improves the intensity of regeneration acrylic fiber, promotes spinning moulding,
Fiber continuity is improved, broken filaments and fault are reduced, reduces and accelerates solidification, improves the intensity of regeneration acrylic fiber, expands application
Range obtains reinforcing acrylic fibers；
（5）Spinning moulding：Acrylic fibers will be strengthened and carry out wet spinning, it is 41 DEG C to strengthen acrylic fibers temperature, obtains regeneration acrylic fiber.
The step（2）Zymotic fluid, be the white sand sugar juice that mass concentration is 13%.
The step（2）Zymophyte, be made of the bacterial strain of following parts by weight：Angel wine yeast 17, acidophilus breast bar
Bacterium 14, Pichia pastoris 8, bacillus licheniformis 7, each bacterial strain take precipitation to mix after secondary fermentation.
The step（3）Vacuum fusion, vacuum degree be -55kPa.
The step（4）Hardening agent, be made of the raw material of following parts by weight：Methylcellulose 14, Arabic gum 8, Asia
Sodium selenate 7.
The processing method of the useless acrylic fibres cloth is obtained to regenerate acrylic fiber.
The application method of the regeneration acrylic fiber, single textile or blended at new cloth, prepare clothes, bedding,
Fabric toy.
Embodiment 3
A kind of processing method of useless acrylic fibres cloth, includes the following steps：
（1）Sorting removal of impurities：Useless acrylic fibres cloth is sub-elected from mixing cloth, is washed, sundries is removed, convenient for follow-up
Processing, obtains primary election acrylic fibers；
（2）Decoloration sterilization：Primary election cloth is placed in decolouring pond, the zymotic fluid of 3 times of amounts of primary election fabric weight, access is added
Zymophyte is fermented 4 days in 36 DEG C, takes out cloth, rejoins zymotic fluid, accesses zymophyte, is fermented 3 days in 32 DEG C, first high temperature
Fermentation promotes growing microorganism, multiple-microorganism to carry out metabolism, generates a large amount of Extracellular metabolism, reduces dyestuff and cloth
Binding ability, promote decoloration, then replace zymotic fluid and carry out cold fermentation, promote Extracellular metabolism to generate, hence it is evident that improve useless
The decolorizing effect of old acrylic fiber expands the regeneration application range of acrylic fiber and safe and healthy, and clear water rinsing must decolourize to sterilize
Acrylic fibers；
（3）High-temperature fusion：Decoloration sterilization acrylic fibers are subjected to vacuum fusion, 280 DEG C is heated to, keeps the temperature 30 minutes, avoid melting
Acrylic fiber fabric color and luster is deepened during melting, and increases acrylic fiber mobility, improves the whiteness and use value of regeneration acrylic fiber,
Acrylic fibers must be melted；
（4）Fibre strengthening：Hardening agent is added into melting acrylic fibers, addition is melt acrylic fibers weight 0.05%, in 270
DEG C, 54 revs/min stir 25 minutes, hardening agent is safe and healthy, improve regeneration acrylic fiber intensity, promote spinning moulding, carry
High microsteping continuity reduces broken filaments and fault, reduces and accelerates solidification, improves the intensity of regeneration acrylic fiber, expands and applies model
It encloses, obtains reinforcing acrylic fibers；
（5）Spinning moulding：Acrylic fibers will be strengthened and carry out wet spinning, it is 42 DEG C to strengthen acrylic fibers temperature, obtains regeneration acrylic fiber.
The step（2）Zymotic fluid, be the white sand sugar juice that mass concentration is 14%.
The step（2）Zymophyte, be made of the bacterial strain of following parts by weight：Angel wine yeast 18, acidophilus breast bar
Bacterium 15, Pichia pastoris 9, bacillus licheniformis 8, each bacterial strain take precipitation to mix after secondary fermentation.
The step（3）Vacuum fusion, vacuum degree be -60kPa.
The step（4）Hardening agent, be made of the raw material of following parts by weight：Methylcellulose 15, Arabic gum 9, Asia
Sodium selenate 8.
The processing method of the useless acrylic fibres cloth is obtained to regenerate acrylic fiber.
The application method of the regeneration acrylic fiber, single textile or blended at new cloth, prepare clothes, bedding,
Fabric toy.
Comparative example 1
Step（2）In be changed to hydrogen peroxide bleaching decoloration, remaining method, with embodiment 1.
Comparative example 2
Removal step（3）In vacuum, remaining method, with embodiment 1.
Comparative example 3
Removal step（4）In hardening agent in methylcellulose, remaining method, with embodiment 1.
Comparative example 4
Removal step（4）In hardening agent in Arabic gum, remaining method, with embodiment 1.
Comparative example 5
Removal step（4）In hardening agent in sodium selenite, remaining method, with embodiment 1.
Comparative example 6
Step（5）In 40 DEG C be changed to 80 DEG C, remaining method, with embodiment 1.
Comparative example 7
105839199 A of existing CN disclose a kind of polyester disused cloth spinning chemical fibre technique.
The treatment effect of embodiment and comparative example useless acrylic fibres cloth processing method：
Useless acrylic fibres cloth 100kg is randomly choosed, is randomly divided into 10 groups, every group of 10kg, uses embodiment and comparison respectively
The method of example carries out regeneration treatment, according to " the hydrogen peroxide decoloration process of lentinan is studied, Chen Jian etc. " inspection after the completion of processing
Percent of decolourization is surveyed, according to the effect of the biopolishing of cotton fabrics " handle " detection fibre strength and pilling, embodiment and right
The treatment effect of ratio useless acrylic fibres cloth processing method is shown in Table 1.
Table 1：The treatment effect of embodiment and comparative example useless acrylic fibres cloth processing method
| Project | Percent of decolourization/（%） | Strongly/（cN/dtex） | Pilling |
| Embodiment 1 | 85.3 | 46.6 | — |
| Embodiment 2 | 85.7 | 46.8 | — |
| Embodiment 3 | 85.6 | 46.3 | — |
| Comparative example 1 | 81.4 | 42.7 | + |
| Comparative example 2 | 76.7 | 44.2 | + |
| Comparative example 3 | 85.2 | 38.7 | +++ |
| Comparative example 4 | 84.9 | 39.5 | +++ |
| Comparative example 5 | 85.5 | 38.3 | +++ |
| Comparative example 6 | 85.3 | 43.5 | +++ |
| Comparative example 7 | 9.7 | 38.1 | +++ |
Note："-" indicates phozy pilling, and "+" indicates pilling, and "+" more multilist shows that pilling is more serious.
From table 1 the result shows that, the processing method of the useless acrylic fibres cloth of embodiment, percent of decolourization and strength obviously relatively compare
Example is high, phozy not pilling, illustrates that the processing method of useless acrylic fibres cloth provided by the invention has good treatment effect.
Claims (3)
1. a kind of processing method of useless acrylic fibres cloth, which is characterized in that include the following steps：
（1）Sorting removal of impurities：Useless acrylic fibres cloth is sub-elected from mixing cloth, is washed, obtains primary election acrylic fibers；
（2）Decoloration sterilization：Primary election cloth is placed in decolouring pond, the zymotic fluid of 2 ~ 3 times of amounts of primary election fabric weight, access hair is added
Yeast-like fungi ferments 2 ~ 4 days in 34 ~ 36 DEG C, takes out cloth, rejoins zymotic fluid, accesses zymophyte, in 30 ~ 32 DEG C of fermentations 2 ~ 3
It, clear water rinsing must decolourize to sterilize acrylic fibers；
（3）High-temperature fusion：Decoloration sterilization acrylic fibers are subjected to vacuum fusion, 260 ~ 280 DEG C is heated to, keeps the temperature 20 ~ 30 minutes, obtain molten
Melt acrylic fibers；
（4）Fibre strengthening：Hardening agent is added into melting acrylic fibers, addition is melt acrylic fibers weight 0.03 ~ 0.05%, in 260
~ 270 DEG C, 52 ~ 54 revs/min are stirred 20 ~ 25 minutes, and reinforcing acrylic fibers are obtained；
（5）Spinning moulding：Acrylic fibers will be strengthened and carry out wet spinning, obtain regeneration acrylic fiber；
The step（2）Zymotic fluid, be the white sand sugar juice that mass concentration is 12 ~ 14%；
The step（2）Zymophyte, be made of the bacterial strain of following parts by weight：Angel wine yeast 16 ~ 18, lactobacillus acidophilus
13 ~ 15, Pichia pastoris 7 ~ 9, bacillus licheniformis 6 ~ 8, each bacterial strain take precipitation to mix after secondary fermentation；
The step（3）Vacuum fusion, vacuum degree be -50 ~ -60kPa；
The step（4）Hardening agent, be made of the raw material of following parts by weight：Methylcellulose 13 ~ 15, Arabic gum 7 ~ 9, Asia
Sodium selenate 6 ~ 8；
The step（5）Wet spinning, strengthen acrylic fibers temperature be 40 ~ 42 DEG C.
2. a kind of processing method of useless acrylic fibres cloth described in claim 1 is obtained to regenerate acrylic fiber.
3. regenerating the application method of acrylic fiber described in a kind of claim 2, which is characterized in that single textile or blended Cheng Xinbu
Material, prepares clothes, bedding, fabric toy.
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Effective date of registration: 20180930 Address after: 236500 the government of Jin Zhai Township, Jieshou City, Fuyang, Anhui. Applicant after: Anhui Tianzhu Textile Technology Group Limited by Share Ltd Address before: 238100 industrial cluster area of Xian Zhen Town, Hanshan County, Ma'anshan, Anhui Applicant before: MAANSHAN ZHONGGANG GARMENTS CO., LTD. |
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Denomination of invention: A treatment method of waste acrylic fabric Effective date of registration: 20210823 Granted publication date: 20181113 Pledgee: Anhui Science and technology Financing Guarantee Co.,Ltd. Jieshou branch Pledgor: ANHUI PROVINCE TIANZHU TEXTILE SCIENCE AND TECHNOLOGY GROUP Co.,Ltd. Registration number: Y2021980008148 |
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