CN108193382A - A kind of preparation method of acetate fiber filtering material - Google Patents
A kind of preparation method of acetate fiber filtering material Download PDFInfo
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- CN108193382A CN108193382A CN201711282869.XA CN201711282869A CN108193382A CN 108193382 A CN108193382 A CN 108193382A CN 201711282869 A CN201711282869 A CN 201711282869A CN 108193382 A CN108193382 A CN 108193382A
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- filtering material
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
- A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
-
- 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
- D01D5/0007—Electro-spinning
- D01D5/0015—Electro-spinning characterised by the initial state of the material
- D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
-
- 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
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
-
- 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
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
- D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
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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)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Artificial Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The present invention relates to a kind of preparation methods of acetate fiber filtering material, belong to textile material technical field.The present invention prepares cellulose acetate by bamboo fibre, improve the toughness and antibacterial ability of cellulose acetate, pass through electrostatic spinning process again, there to be nano level diameter, the acetate fibres of great specific surface area and higher porosity are wrapped over polyester filament surface, improve comprehensive mechanical strength, improve tensile property, acetate fiber filtering material is weaved into again, it is not high to effectively improve filtering material durability, the problem of intensity is low, acetate fiber filtering material prepared by the present invention has the specific surface area of bigger, be conducive to the adsorption capacity to molecule and the interception effect to particle, it is high to the filter efficiency of tiny particles content, when air-flow passes through fiber surface, suffered inhibition smaller, maintain excellent gas permeability.
Description
Technical field
The present invention relates to a kind of preparation methods of acetate fiber filtering material, belong to textile material technical field.
Background technology
Acetate fiber is trial-produceed successfully by Britain in early 1920s and realizes industrialized production, at present in cellulose fiber
It is the second largest kind for being only second to viscose rayon in dimension.Acetate fiber is cellulose pulp for raw material, the shape after acetylation
Extremely change derivative into cellulose, be then made through dry-spinning process.Filtering material provides more clean for people’s lives
Product and environment net, that be relatively beneficial to health.With the development of industrial level, the weaving form of filtering material starts a lot of
Come, not only there is weaving filter material and non-woven filter material, the also compound combined type of knitted fabric filter material and diversified forms
Filtering material.Relative to woven fabric and knitted fabric, 3-D solid structure, even pore distribution, the strainability of non-woven material
Good, yield height, price are low, it is made to have the advantage become apparent in terms of filtering, it is indispensable to have become modern industrial production
Staple product, be component part important in filtering material industry.At present, non-woven filter material has been widely used in gas
The filtration arts such as body and liquid, the processing including industrial gas emission, air cleaning processing, industrial filter, sewage disposal, blood
Liquid dialysis etc..
Filtering material oneself through related to people’s lives and industrial production, its various types of filtration equipment with whole nation industry-by-industry
It is mating, guarantee quality is played, develop skill precision, control pollution, environment purification, recycles valuable raw material and reduces industrial cost
Etc. important function.Non-woven material is with 3-D solid structure and durable, easy deep processing, price is relatively cheap, it is more to meet
The advantages of kind filtering requirement, it is component part mouth important in filtering material industry to be very suitable for.
Acetate silk is nontoxic, tasteless with its, the harmful components in absorption flue gas that can be selective, while retains one again
The characteristics of taste of the fixed nicotine without losing tobacco, be most widely used filter-tip filter material now.For acetate fiber
Mainly nano level fiber is made to grind using electrostatic spinning technique in cellulose acetate by the current researcher of filter material material
Study carefully its strainability, but not high using filtering material durability made of cellulose acetate, and intensity is low, poor toughness, antibiotic property
Weak, there is an urgent need for linguistic terms.
Invention content
The technical problems to be solved by the invention：For using, filtering material durability made of cellulose acetate is not high,
And the problem of intensity is low, poor toughness, and antibiotic property is weak, provide a kind of preparation method of acetate fiber filtering material.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of preparation method of acetate fiber filtering material, it is characterised in that specifically preparation process is：
（1）Bamboo fibre is taken to be mixed and heated to 50~55 DEG C with glacial acetic acid and reacts 2~3h, adds acetic anhydride, the concentrated sulfuric acid, heat preservation is anti-
Deionized water, magnesium acetate solution 1~2h of reaction are added in after answering 50~60min, filtration washing drying obtains bamboo base cellulose acetate；
（2）Bamboo base cellulose acetate is dissolved in dichloromethane/acetone mixed solvent, obtains spinning solution；
（3）Polyester filament spool is mounted on yarn roller, being towed in take-up roll by tensioner and into yarn feeding device, is led to
The syringe for crossing 10 ~ 20mL extracts spinning solution, and be fixed on syringe pump, and high voltage power supply positive electrode is connected with syringe needle,
Negative electrode is connected in take-up roll reception device, and spinning solution is released by syringe pump from syringe needle, and Taylor is formed at needle tip
Cone, acetate fiber solution pulled into silk under the action of high voltage electric field, obtain the polyester filament of looping acetate fiber；
（4）The polyester filament of looping acetate fiber is placed in drying box, is combed after dry 6 ~ 8h at 60 ~ 70 DEG C and forms fiber
Net is made cloth by the way of cross lapping and twice positive and negative spun lacing, obtains acetate fiber filtering material.
Step（1）The bamboo fibre, glacial acetic acid, acetic anhydride, the concentrated sulfuric acid, deionized water, the parts by weight of magnesium acetate solution are
30~50 parts of bamboo fibres, 300~500 parts of glacial acetic acid, 180~240 parts of acetic anhydride, 1.2~2.0 parts of concentrated sulfuric acids, 200 ~ 300 parts are gone
Ionized water, 240~400 parts of mass fractions are 20% magnesium acetate solution.
Step（2）The volume ratio of dichloromethane and acetone is 8 in the dichloromethane/acetone mixed solvent：2~8：3.
Step（2）The mass parts of the bamboo base cellulose acetate and mixed solvent be 3 ~ 5 parts of bamboo base cellulose acetates, 95 ~
97 parts of mixed solvents.
Step（3）The syringe needle and reception device distance are 10 ~ 15cm, positive and negative pole tension be respectively 10 ~ 12kV and 8 ~
10kV, spinning speed are 1 ~ 2mL/h, and take-up roll rotating speed is 10 ~ 12min/min.
Step（4）Hydraulic pressure control pressure of second spun lacing in 2 ~ 5MPa, progress twice spun lacing is higher than during the spun lacing
First of spun lacing 15% ~ 25%, speed of production are 8 ~ 12m/min.
Compared with other methods, advantageous effects are the present invention：
（1）The present invention prepares cellulose acetate by bamboo fibre, improves the toughness and antibacterial ability of cellulose acetate, then by quiet
Acetate fibres with nano level diameter, great specific surface area and higher porosity are wrapped over by electrospinning process
Polyester filament surface improves comprehensive mechanical strength, improves tensile property, then weave into acetate fiber filtering material, effectively changes
It has been apt to the problem of filtering material durability is not high, and intensity is low；
（2）Acetate fiber filtering material prepared by the present invention has the specific surface area of bigger, is conducive to the absorption to molecule
Ability and the interception effect to particle, it is high to the filter efficiency of tiny particles content, it is suffered when air-flow passes through fiber surface
Inhibition smaller maintains excellent gas permeability.
Specific embodiment
30~50g bamboo fibres are taken, are added in 300~500g glacial acetic acid, and are heated to 50~55 DEG C of 2~3h of reaction, then add
Entering 180~240g acetic anhydride, 1.2~2.0g concentrated sulfuric acids add in 200~300mL deionized waters after 50~60min of insulation reaction,
And 240~400g mass fractions are added dropwise as 20% magnesium acetate solution using 1~3mL/min, 1~2h is stood after being added dropwise, is filtered
Filter residue is transferred to after filter residue 3~5 times is washed with deionized in drying box, is dried at 105~110 DEG C to constant weight, is obtained bamboo base vinegar
Acid cellulose takes 3 ~ 5g bamboo base cellulose acetates, and it is 8 to add in 95 ~ 97g volume ratios：2~8：3 dichloromethane/acetone mixing is molten
In agent, 6 ~ 8h is stirred with 600 ~ 800r/min, obtains spinning solution, polyester filament spool is mounted on yarn roller, being filled through overtension
It puts and is towed in take-up roll into yarn feeding device, spinning solution is extracted, and be fixed on syringe pump by the syringe of 10 ~ 20mL,
High voltage power supply positive electrode is connected with syringe needle, and negative electrode is connected in take-up roll reception device, and spinning solution is by syringe pump from needle
It is released at head, and taylor cone is formed at needle tip, acetate fiber solution pulled into silk under the action of high voltage electric field, controls
Syringe needle processed and reception device distance are 10 ~ 15cm, and positive and negative pole tension is respectively 10 ~ 12kV and 8 ~ 10kV, spinning speed for 1 ~
2mL/h, take-up roll rotating speed are 10 ~ 12min/min, the polyester filament of looping acetate fiber are obtained, by the terylene of looping acetate fiber
Long filament is placed in drying box, is combed after dry 6 ~ 8h at 60 ~ 70 DEG C and is formed web, using cross lapping and twice positive and negative
The mode of spun lacing, hydraulic pressure control is higher than first of water in 2 ~ 5MPa, the pressure for carrying out second spun lacing during twice spun lacing during spun lacing
Thorn 15% ~ 25%, speed of production are 8 ~ 12m/min, obtain acetate fiber filtering material.
Example 1
30g bamboo fibres are taken, are added in 300g glacial acetic acid, and are heated to 50 DEG C of reaction 2h, add 180g acetic anhydride, the dense sulphur of 1.2g
Acid adds in 200mL deionized waters after insulation reaction 50min, and it is molten as 20% magnesium acetate using 1mL/min 240g mass fractions to be added dropwise
Liquid stands 1h after being added dropwise, and filters to obtain filter residue, is transferred in drying box after filter residue 3 times is washed with deionized, at 105 DEG C
Drying obtains bamboo base cellulose acetate, takes 3g bamboo base cellulose acetates, it is 8 to add in 95g volume ratios to constant weight：2 dichloromethane/
In acetone mixed solvent, 6h is stirred with 600r/min, obtains spinning solution, polyester filament spool is mounted on and is supplied on yarn roller, by opening
It power apparatus and is towed in take-up roll into yarn feeding device, spinning solution is extracted, and be fixed on syringe pump by the syringe of 10mL,
High voltage power supply positive electrode is connected with syringe needle, and negative electrode is connected in take-up roll reception device, and spinning solution is by syringe pump from needle
It is released at head, and taylor cone is formed at needle tip, acetate fiber solution pulled into silk under the action of high voltage electric field, controls
Syringe needle processed and reception device distance are 10cm, and positive and negative pole tension is respectively 10kV and 8kV, spinning speed 1mL/h, and take-up roll turns
Speed is 10min/min, obtains the polyester filament of looping acetate fiber, the polyester filament of looping acetate fiber is placed in drying box,
It is combed after dry 6h at 60 DEG C and forms web, by the way of cross lapping and twice positive and negative spun lacing, hydraulic pressure during spun lacing
Control carries out the pressure of second spun lacing during twice spun lacing higher than first of spun lacing 15% in 2MPa, speed of production 8m/min,
Obtain acetate fiber filtering material.
Example 2
40g bamboo fibres are taken, are added in 400g glacial acetic acid, and are heated to 52 DEG C of reaction 2h, add 210g acetic anhydride, the dense sulphur of 1.6g
Acid adds in 250mL deionized waters after insulation reaction 55min, and it is molten as 20% magnesium acetate using 2mL/min 320g mass fractions to be added dropwise
Liquid stands 1h after being added dropwise, and filters to obtain filter residue, is transferred in drying box after filter residue 4 times is washed with deionized, at 108 DEG C
Drying obtains bamboo base cellulose acetate, takes 4g bamboo base cellulose acetates, it is 8 to add in 96g volume ratios to constant weight：2 dichloromethane/
In acetone mixed solvent, 7h is stirred with 700r/min, obtains spinning solution, polyester filament spool is mounted on and is supplied on yarn roller, by opening
It power apparatus and is towed in take-up roll into yarn feeding device, spinning solution is extracted, and be fixed on syringe pump by the syringe of 15mL,
High voltage power supply positive electrode is connected with syringe needle, and negative electrode is connected in take-up roll reception device, and spinning solution is by syringe pump from needle
It is released at head, and taylor cone is formed at needle tip, acetate fiber solution pulled into silk under the action of high voltage electric field, controls
Syringe needle processed and reception device distance are 12cm, and positive and negative pole tension is respectively 11kV and 9kV, spinning speed 1mL/h, and take-up roll turns
Speed is 11min/min, obtains the polyester filament of looping acetate fiber, the polyester filament of looping acetate fiber is placed in drying box,
It is combed after dry 7h at 65 DEG C and forms web, by the way of cross lapping and twice positive and negative spun lacing, hydraulic pressure during spun lacing
Control carries out the pressure of second spun lacing during twice spun lacing higher than first of spun lacing 20% in 3MPa, speed of production 10m/min,
Obtain acetate fiber filtering material.
Example 3
50g bamboo fibres are taken, are added in 500g glacial acetic acid, and are heated to 55 DEG C of reaction 3h, add 240g acetic anhydride, the dense sulphur of 2.0g
Acid adds in 300mL deionized waters after insulation reaction 60min, and it is molten as 20% magnesium acetate using 3mL/min 400g mass fractions to be added dropwise
Liquid stands 2h after being added dropwise, and filters to obtain filter residue, is transferred in drying box after filter residue 5 times is washed with deionized, at 110 DEG C
Drying obtains bamboo base cellulose acetate, takes 5g bamboo base cellulose acetates, it is 8 to add in 97g volume ratios to constant weight：3 dichloromethane/
In acetone mixed solvent, 8h is stirred with 800r/min, obtains spinning solution, polyester filament spool is mounted on and is supplied on yarn roller, by opening
It power apparatus and is towed in take-up roll into yarn feeding device, spinning solution is extracted, and be fixed on syringe pump by the syringe of 20mL,
High voltage power supply positive electrode is connected with syringe needle, and negative electrode is connected in take-up roll reception device, and spinning solution is by syringe pump from needle
It is released at head, and taylor cone is formed at needle tip, acetate fiber solution pulled into silk under the action of high voltage electric field, controls
Syringe needle processed and reception device distance are 15cm, and positive and negative pole tension is respectively 12kV and 10kV, spinning speed 2mL/h, take-up roll
Rotating speed is 12min/min, obtains the polyester filament of looping acetate fiber, and the polyester filament of looping acetate fiber is placed in drying box
In, it is combed after dry 8h at 70 DEG C and forms web, by the way of cross lapping and twice positive and negative spun lacing, water during spun lacing
Voltage-controlled system is higher than first of spun lacing 25%, speed of production 12m/ in 5MPa, the pressure for carrying out second spun lacing during twice spun lacing
Min obtains acetate fiber filtering material.
Reference examples：The non-woven filter material of Zhejiang company production.
The non-woven filter material of example and reference examples is detected, specific detection is as follows：
Permeability is tested：Gas permeability be material under the certain pressure differential of Permeability gauge, pass through cooling water of units of measurement time, unit plane
Product in by air capacity.The gas permeability of non-woven material is material average pore size and porosity joint effect as a result, this hair
Non-woven material in bright is filtering material, and gas permeability is an important factor for influencing draw resistance size.Test equipment：YG461D
Digital textile air permeation volume gauge.Testing standard：Test area is 20cm2；Using bulk sample testing, without cutting；With
The different parts of product are at least tested 10 times and are averaged.
Filter efficiency and filtration resistance test：Filter efficiency and filtration resistance are the most important performance indicators of filtering material.
Filtration resistance has initial resistance and whole resistance, and initial resistance is exactly initial resistance of the filtering material in clean state, and whole resistance is filtering
Resistance when the device service life ends.Twice that is set as initial resistance of the terminating resistance of material in the present invention.In certain mistake
Under filtering surface product, with the increase of air quantity, the variation of pressure in the engineering that twice of observation terminating resistance arrival initial resistance.Tester
Device：The automatic filtrate tester of TSI8310 types.Testing standard：Area of Sample is the flow of 32L/mm；Mass median diameter is
The NaCl aerosols of 0.26um.
Specific testing result such as table 1.
Table 1
| Detection project | Example 1 | Example 2 | Example 3 | Reference examples |
| Air penetrability (mm/s) | 2856.8 | 2870.1 | 2753.1 | 1485.9 |
| Filter efficiency (%) | 34.85535 | 30.52503 | 26.70940 | 25.91345 |
| Filtration resistance (Pa) | 7.5 | 8.5 | 8.3 | 14.8 |
| Modulus of elasticity（cN/dtex） | 42 | 45 | 47 | 28 |
As shown in Table 1, the non-woven filter material air penetrability that prepared by the present invention is high, and filter efficiency is good, and resistance is low, good toughness, tool
There is good mechanical property.
Claims (6)
1. a kind of preparation method of acetate fiber filtering material, it is characterised in that specifically preparation process is：
（1）Bamboo fibre is taken to be mixed and heated to 50~55 DEG C with glacial acetic acid and reacts 2~3h, adds acetic anhydride, the concentrated sulfuric acid, heat preservation is anti-
Deionized water, magnesium acetate solution 1~2h of reaction are added in after answering 50~60min, filtration washing drying obtains bamboo base cellulose acetate；
（2）Bamboo base cellulose acetate is dissolved in dichloromethane/acetone mixed solvent, obtains spinning solution；
（3）Polyester filament spool is mounted on yarn roller, being towed in take-up roll by tensioner and into yarn feeding device, is led to
The syringe for crossing 10 ~ 20mL extracts spinning solution, and be fixed on syringe pump, and high voltage power supply positive electrode is connected with syringe needle,
Negative electrode is connected in take-up roll reception device, and spinning solution is released by syringe pump from syringe needle, and Taylor is formed at needle tip
Cone, acetate fiber solution pulled into silk under the action of high voltage electric field, obtain the polyester filament of looping acetate fiber；
（4）The polyester filament of looping acetate fiber is placed in drying box, is combed after dry 6 ~ 8h at 60 ~ 70 DEG C and forms fiber
Net is made cloth by the way of cross lapping and twice positive and negative spun lacing, obtains acetate fiber filtering material.
A kind of 2. preparation method of acetate fiber filtering material as described in claim 1, which is characterized in that step（1）It is described
Bamboo fibre, glacial acetic acid, acetic anhydride, the concentrated sulfuric acid, deionized water, the parts by weight of magnesium acetate solution be 30~50 parts of bamboo fibres, 300~
500 parts of glacial acetic acid, 180~240 parts of acetic anhydride, 1.2~2.0 parts of concentrated sulfuric acids, 200 ~ 300 parts of deionized waters, 240~400 parts of matter
Amount score is 20% magnesium acetate solution.
A kind of 3. preparation method of acetate fiber filtering material as described in claim 1, which is characterized in that step（2）It is described
The volume ratio of dichloromethane and acetone is 8 in dichloromethane/acetone mixed solvent：2~8：3.
A kind of 4. preparation method of acetate fiber filtering material as described in claim 1, which is characterized in that step（2）It is described
The mass parts of bamboo base cellulose acetate and mixed solvent be 3 ~ 5 parts of bamboo base cellulose acetates, 95 ~ 97 parts of mixed solvents.
A kind of 5. preparation method of acetate fiber filtering material as described in claim 1, which is characterized in that step（3）It is described
Syringe needle is 10 ~ 15cm with reception device distance, and positive and negative pole tension is respectively 10 ~ 12kV and 8 ~ 10kV, and spinning speed is 1 ~ 2mL/
H, take-up roll rotating speed are 10 ~ 12min/min.
A kind of 6. preparation method of acetate fiber filtering material as described in claim 1, which is characterized in that step（4）It is described
Hydraulic pressure control is higher than first of spun lacing 15% ~ 25%, life in 2 ~ 5MPa, the pressure for carrying out second spun lacing during twice spun lacing during spun lacing
Production speed is 8 ~ 12m/min.
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Cited By (1)
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| CN117431683A (en) * | 2023-12-20 | 2024-01-23 | 吴江市双盈化纺实业有限公司 | High-color-fastness wear-resistant four-side stretch fabric and production process thereof |
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| CN117431683B (en) * | 2023-12-20 | 2024-03-12 | 吴江市双盈化纺实业有限公司 | High-color-fastness wear-resistant four-side stretch fabric and production process thereof |
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Application publication date: 20180622 |