CN109137468A - A kind of cotton fabric fluorinated acrylate polymer water-repellent finishing method - Google Patents
A kind of cotton fabric fluorinated acrylate polymer water-repellent finishing method Download PDFInfo
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- CN109137468A CN109137468A CN201810793318.8A CN201810793318A CN109137468A CN 109137468 A CN109137468 A CN 109137468A CN 201810793318 A CN201810793318 A CN 201810793318A CN 109137468 A CN109137468 A CN 109137468A
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- cotton fabric
- graft polymerization
- acrylate polymer
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- decyl acrylate
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- 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
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
- D06M10/04—Physical treatment combined with treatment with chemical compounds or elements
- D06M10/08—Organic compounds
- D06M10/10—Macromolecular compounds
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- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
- D06M13/513—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
-
- 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
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
-
- 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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a kind of cotton fabric fluorinated acrylate polymer water-repellent finishing method based on UV light-induced graft polymerization, include: that cotton fabric is placed in 3- mercaptopropyltriethoxysilane ethyl acetate solution to carry out sulfhydryl modified, obtains the cotton fabric of preliminary treatment；Then sulfhydryl modified cotton fabric is placed in perfluoro decyl acrylate solution, the water repellent cotton fabric that surface has super-hydrophobic effect is obtained under the conditions of ultraviolet light.Since the reaction is based on chemical bonds, so static contact angle is held essentially constant after processing of soaping.Operation of the present invention is simple, and grafting efficiency is high, and water repellent effect is obvious, and it is high to arrange washing fastness.
Description
Technical field
The present invention relates to a kind of cotton fabric perfluoroalkyl acrylate polymers arrangement side based on UV light-induced graft polymerization
Method belongs to functional finish of cotton fabric field.
Background technique
With the improvement of living standards, people are to taking textile other than basic demand, various comfort properties, aesthetic appearance
Energy and property etc. are more and more favored.It is some by the new of special finishing in order to meet the needs of people's specific use
Type textile can have the function of various excellent, and water and oil repellent finish fabric is exactly one of them.Currently used water repellent master
It to be organosilicon, fat hydrocarbon and fluorochemical, wherein fluorine-containing water repellent arrangement can assign the good water repellent of fabric, oil repellent
The purpose of fabric water repellent finish is that wetting of the water to fabric is prevented to prevent liquid water using the additonal pressure of fabric capillary
Through, but still maintain the breathable moisture permeability of fabric.WATER REPELLENT FANISH FABRIC is now widely used for production water-proof jacket, household
Tablecloth, waterproof tent etc..Perfluor finishing agent is and wide because of its excellent thermal stability, chemical stability and good water repellency
It is general to be applied to plant location and domestic environments.Fluorine atom feature is that atomic radius is small, electronegativity is big.It is poly- containing multiple C-F keys
Conjunction its surface free energy of object is very low, and the interaction force between molecule and hydrone is very low, thus has good water repellency.
Fluorinated copolymer has excellent chemical resistance, weatherability, water-fast and oil resistivity, is widely used in electrician, electronics, electric appliance, soil
The fields such as wood, space flight and household products.By studying fluoropolymer-containing synthetic method, structure and performance, it is steady to prepare performance
Fixed, the polymer with good hydrophobic performance has broad application prospects in textile clothing field, and technology of preparing has become
For current research hot spot.
The water repellent finish research of cotton fabric is common in recent years following method.One of method is to utilize organic nothing
Machine Material cladding, after inorganic nanoparticles are mixed with organic fluoropolymer, by it to pass through padding method, spin-coating method or spray
The method of mist is arranged on fibrous material.The method can significantly improve the water repellency of fiber, but due to inorganic
Nano particle is easy to reunite in hydrophobing agent, thus the non-uniform rough surface formed, so that its hydrophobic effect be caused not enough to manage
Think.In addition, inorganic nanoparticles and fiber be only in conjunction with physical force, thus its in conjunction with fiber not enough securely, washing
After be easy to fall off, be not able to satisfy product the marketization needs.Make to dredge with plasma method modification and chemical etching facture
Water meter surface roughness is uniform, has good hydrophobicity, but plasma surface is modified because its is with high costs, it is difficult to continuous metaplasia
It produces；Low-fiber strength drops in chemical etching method, and liquid pollution environment etc. after etching, and therefore, the above method only resides within
Laboratory stage is difficult to realize large-scale production.Sol-gel process process flow is simple, at low cost, and reaction process is easy to control
System does not need high temperature and exacting terms especially in terms of film preparation, it is convenient on the substrate of the unlimited shape of large area at
Film shows good application prospect.Therefore sol-gal process is used to construct rough surface by researcher, and common colloidal sol has two
Silica sol, TiO 2 sol, silica-titania complex sol.When sol-gel method constructs rough surface,
Due to fabric good hydrophobicity after washing after the binding strength of collosol coating and cellulosic fabric is lower therefore its arrangement
It can not will exist, this is also that sol-gal process hydrophobic finishing cannot achieve industrialized main cause.Nearest nanotechnology is answered
For water and oil repellent finish.After being arranged by nano material, fabric surface forms the rough surface such as lotus leaf, reaches waterproof and refuses oil
Effect.Although the miniaturization of nanometer finishing agent particle size makes fabric have skin effect, small-size effect and macroscopic quantum
Tunnel-effect will be a kind of ideal fabric finishing agent, but in application process, nano material finishing agent is easy to happen group
It is poly-, to lose nano-meter characteristic, and there is a problem of arranging durability difference.Fluoropolymer as water repellent finishing agent research
It is reported.Studies have reported that a kind of convenient gamma Rays induce perfluorinated acrylate graft polymerization procedure, to prepare pole
Its stable super-hydrophobicity cotton fabric, being able to maintain in pH is that 0-14 range keeps superhydrophobic characteristic and with 250 households washings
Cyclical stability.
Summary of the invention
The purpose of the present invention is: perfluoroalkyl acrylate polymers are combined with cotton fabric by click chemistry, thus
Enhance water repellent effect, reduce finishing time, while raising efficiency, improving washing fastness, to improve cotton fabric waterproofing performance durable
Degree.
In order to achieve the above object, the technical solution of the present invention is to provide a kind of based on UV light-induced graft polymerization
Cotton fabric perfluoro decyl acrylate polymer method for sorting, which comprises the following steps:
Step (1): first cleaning cotton fabric, is subsequently placed in the 3- mercaptopropyltriethoxysilane of 1-5wt%
Sulfhydryl modified, concussion, sufficiently cleaning, vacuum drying are carried out in ethyl acetate solution, obtain dredging base modified cotton fabric；
Step (2): prepare containing perfluoro decyl acrylate polymer organic solvent solution, by thin base modified cotton fabric
Wherein, based on click chemistry principle, induced graft polymerization handles to obtain surface with the complete of super-hydrophobic effect to dipping under ultraviolet light
Fluorine decyl acrylate polymer is grafted cotton fabric.
Preferably, the cotton fabric is pure cotton fabric or cotton fiber blended fabric.
Preferably, cleaning described in step (1) specifically: cleaned at normal temperature with ethyl acetate.
Preferably, temperature sulfhydryl modified described in step (1) is 20-35 DEG C, time 1.5-3h.
It preferably, further include other tools in the ethyl acetate solution of 3- mercaptopropyltriethoxysilane described in step (1)
There is the silane coupling agent of one or more mercapto groups.
Preferably, perfluoro decyl acrylate described in step (2) is acrylate containing fluorine polymer.
Preferably, organic solvent described in step (2) is at least one of methylene chloride, ethyl acetate and butanone.
Preferably, it is with one or more mercapto groups that the sulfydryl in base modified cotton fabric is dredged described in step (2)
Silane structure compound or mixture.
Preferably, induced graft polymerization processing is using photoinitiator ultraviolet under ultraviolet light described in step (2)
Induced graft polymerization is handled under light.
Preferably, the photoinitiator includes 2,2- dimethyl -2- phenyl acetophenone and 2, in 2- dihydromethyl propionic acid
It is at least one.
The present invention first uses 3- mercaptopropyltriethoxysilane to be modified processing to cotton fabric, has cotton fiber
The sulfydryl of greater activity: and then reacted by click chemistry, make hydrosulphonyl silane and the perfluoro decyl propylene with vinyl structure
Acid esters carries out UV light-induced graft polymerization with the cotton fabric Jing Guo modification, is integrated to the two by chemical bonding
On cotton fiber molecule, product after treatment has super hydrophobic functional.Operation of the present invention is simple, high-efficient, and water repellent effect is bright
Aobvious, washing fastness is high, improves cotton fabric waterproofing performance durability degree.
Detailed description of the invention
Fig. 1 is 3- mercaptopropyltriethoxysilane modified cotton fiber reaction mechanism figure；
Fig. 2 is sulfhydryl modified cotton fiber, graft reaction schematic diagram under perfluorinated acrylate ultraviolet light；
Cotton fabric static contact angle schematic diagram after the water repellent finish that Fig. 3 is embodiment 1-3, wherein a is embodiment 1
In static contact angle (148 °)；B is the static contact angle (152 °) in embodiment 2；C is the static contact angle in embodiment 3
(146°)；D is the static contact angle (145 °) after washing in embodiment 1；
Fig. 4 a is the scanning electron microscope diagram on raw cotton fiber surface；Fig. 4 b is that embodiment 1 arranges sweeping for cotton fiber surface
Retouch the micro- electron microscope of son.
Fig. 5 is 1 finishing of cotton textiles of embodiment to the super-hydrophobic effect of common liquid, and wherein a is saturated salt solution, and b is Soviet Union
It fetches water, c is coffee, and d is pure water, and e is cider, and f is lemonade.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
In the embodiment of the present invention, perfluoro decyl acrylate used comes from Sa En chemical technology (Shanghai) Co., Ltd.,
Used fabric substrate is provided by Saintyear Holding Group Co., Ltd., 3- mercaptopropyltriethoxysilane, 2,2- dimethoxy
It is that analysis is pure that base -2- phenyl acetophenone, which is purchased from all reagents of Adamas company, in use without further purification.
Embodiment 1
Dredge propyl-triethoxysilicane with 3- and processing be modified to cotton fabric, and with perfluoro decyl acrylate, sulfydryl
Silane reaction makes cotton have good water repellency, the specific steps are that:
One, pretreatment stage:
(1) 50 DEG C of drying are stand-by after being cleaned at room temperature with ethyl acetate to cotton fabric；
(2) the 3- mercaptopropyltriethoxysilane ethyl acetate solution for preparing 5wt%, the cotton fabric investment after cleaning is molten
In liquid, beaker mouth diaphragm seal is placed in temperature constant magnetic stirring water-bath, and 25 DEG C of concussions are handled 2 hours；
(3) cotton fabric is taken out, is sufficiently cleaned in distilled water, 60 DEG C of vacuum dryings；
Two, the final finishing stage:
(1) preparation mass concentration be respectively 0.5% perfluoro decyl acrylate dichloromethane solution, abundant ultrasonic vibration,
2,2- dimethoxy -2- phenyl acetophenone photoinitiator, ultrasonic vibration is then added；
(2) it is laid on cotton fabric is smooth in culture dish, topples over the above-mentioned finishing fluid of certain volume, slightly submerged cotton fabric
Surface covers one layer of quartz plate at culture dish mouth；
(3) cotton fabric is placed in power is under 500W ultraviolet light cold light source, and lamp is away from 13cm, illumination 30min, turn-over, again
Illumination 30min.
(4) cotton fabric is taken out, deionized water is sufficiently washed, 60 DEG C of drying.
Embodiment 2
Dredge propyl-triethoxysilicane with 3- and processing be modified to cotton fabric, and with perfluoro decyl acrylate, sulfydryl
Silane reaction makes cotton have good water repellency, the specific steps are that:
One, pretreatment stage:
(1) 50 DEG C of drying are stand-by after being cleaned at room temperature with ethyl acetate to cotton fabric；
(2) the 3- mercaptopropyltriethoxysilane ethyl acetate solution for preparing 5wt%, the cotton fabric investment after cleaning is molten
In liquid, beaker mouth diaphragm seal is placed in temperature constant magnetic stirring water-bath, and 25 DEG C of concussions are handled 2 hours；
(3) cotton fabric is taken out, is sufficiently cleaned in distilled water, 60 DEG C of vacuum dryings；
Two, the final finishing stage:
(1) preparation mass concentration be respectively 1% perfluoro decyl acrylate dichloromethane solution, abundant ultrasonic vibration, with
After 2,2- dimethoxy -2- phenyl acetophenone photoinitiator, ultrasonic vibration is added；
(2) it is laid on cotton fabric is smooth in culture dish, topples over the above-mentioned finishing fluid of certain volume, slightly submerged cotton fabric
Surface covers one layer of quartz plate at culture dish mouth；
(3) cotton fabric is placed in power is under 500W ultraviolet light cold light source, and lamp is away from 13cm, illumination 30min, turn-over, again
Illumination 30min.
(4) cotton fabric is taken out, deionized water is sufficiently washed, 60 DEG C of drying.
Embodiment 3
Dredge propyl-triethoxysilicane with 3- and processing be modified to cotton fabric, and with perfluoro decyl acrylate, sulfydryl
Silane reaction makes cotton have good water repellency, the specific steps are that:
One, pretreatment stage:
(1) 50 DEG C of drying are stand-by after being cleaned at room temperature with ethyl acetate to polyester-cotton fabric (65/35)；
(2) the 3- mercaptopropyltriethoxysilane ethyl acetate solution for preparing 5wt%, the polyester-cotton fabric after cleaning is put into
In solution, beaker mouth diaphragm seal is placed in temperature constant magnetic stirring water-bath, and 25 DEG C of concussions are handled 2 hours；
(3) cotton fabric is taken out, is sufficiently cleaned in distilled water, 60 DEG C of vacuum dryings；
Two, the final finishing stage:
(1) preparation mass concentration be respectively 1% perfluoro decyl acrylate dichloromethane solution, abundant ultrasonic vibration, with
After 2,2- dimethoxy -2- phenyl acetophenone photoinitiator, ultrasonic vibration is added；
(2) it is laid on polyester-cotton fabric is smooth in culture dish, topples over the above-mentioned finishing fluid of certain volume, slightly submerged polyester-cotton blend
Fabric surface covers one layer of quartz plate at culture dish mouth；
(3) cotton fabric is placed in power is under 500W ultraviolet light cold light source, and lamp is away from 13cm, illumination 30min, turn-over, again
Illumination 30min.
(4) polyester-cotton fabric is taken out, deionized water is sufficiently washed, 60 DEG C of drying.
Cotton fabric and 3- mercaptopropyltriethoxysilane are carried out condensation reaction first by the present invention, and silane coupling agent is substantial
It is a kind of silane with organo-functional group, having simultaneously in the molecule thereof can be with inorganic material (such as glass, silica sand, metal)
Chemically combined reactive group and with organic material (synthetic resin etc.) chemically combined reactive group.It can use one end
Ethyoxyl, to form grafting, is modified fiber, becomes with mercapto by the reaction of the hydroxyl of condensation reaction and fiber surface
The fiber of base (reaction mechanism is as shown in Figure 1).Secondly, cotton fiber and perfluorinated acrylate containing sulfhydryl reactive group are in ultraviolet light
Irradiation is lower to occur the graft reaction based on click chemistry principle, to form firm chemical bond (reaction mechanism is as shown in Figure 2).
After cotton fabric is carried out water repellent finish, by showing to its static contact angle test result such as Fig. 3: fiber surface is by grafting
1 contact angle of embodiment is up to 148 °.2 contact angle of embodiment is 152 °, and contact angle is compared to pure after polyester-cotton fabric arranges in embodiment 3
Cotton fabric slightly reduces, and is 146 °.Result is analyzed it is found that for method for sorting of the invention, with the increase of finishing agent concentration, is connect
Feeler slightly increases, and water repellent effect is more preferable, reaches super-hydrophobic effect.Polyester cotton compares pure cotton fabric, water repellent effect
Weakened, reason may be that polyester fiber can reactive group number compared to pure cotton fabric and subsequent ultraviolet light grafting stage
Measure it is relatively fewer, it is total and finishing agent treatment effect is caused to die down.
Claims (10)
1. a kind of cotton fabric perfluoro decyl acrylate polymer method for sorting based on UV light-induced graft polymerization, feature
It is, comprising the following steps:
Step (1): first cleaning cotton fabric, is subsequently placed in the acetic acid of the 3- mercaptopropyltriethoxysilane of 1-5wt%
Sulfhydryl modified, concussion, sufficiently cleaning, vacuum drying are carried out in ethyl ester solution, obtain dredging base modified cotton fabric；
Step (2): prepare containing perfluoro decyl acrylate polymer organic solvent solution, by thin base modified cotton fabric impregnate
Wherein, based on click chemistry principle, induced graft polymerization handles to obtain surface the perfluor last of the ten Heavenly stems with super-hydrophobic effect under ultraviolet light
Base acrylate polymer is grafted cotton fabric.
2. the cotton fabric perfluoro decyl acrylate polymer based on UV light-induced graft polymerization is whole as described in claim 1
Reason method, which is characterized in that the cotton fabric is pure cotton fabric or cotton fiber blended fabric.
3. the cotton fabric perfluoro decyl acrylate polymer based on UV light-induced graft polymerization is whole as described in claim 1
Reason method, which is characterized in that cleaning described in step (1) specifically: cleaned at normal temperature with ethyl acetate.
4. the cotton fabric perfluoro decyl acrylate polymer based on UV light-induced graft polymerization is whole as described in claim 1
Reason method, which is characterized in that sulfhydryl modified temperature described in step (1) is 20-35 DEG C, time 1.5-3h.
5. the cotton fabric perfluoro decyl acrylate polymer based on UV light-induced graft polymerization is whole as described in claim 1
Reason method, which is characterized in that further include other in the ethyl acetate solution of 3- mercaptopropyltriethoxysilane described in step (1)
Silane coupling agent with one or more mercapto groups.
6. the cotton fabric perfluoro decyl acrylate polymer based on UV light-induced graft polymerization is whole as described in claim 1
Reason method, which is characterized in that perfluoro decyl acrylate described in step (2) is acrylate containing fluorine polymer.
7. the cotton fabric perfluoro decyl acrylate polymer based on UV light-induced graft polymerization is whole as described in claim 1
Reason method, which is characterized in that organic solvent described in step (2) is at least one of methylene chloride, ethyl acetate and butanone.
8. the cotton fabric perfluoro decyl acrylate polymer based on UV light-induced graft polymerization is whole as described in claim 1
Reason method, which is characterized in that it is with one or more mercapto groups that the sulfydryl in base modified cotton fabric is dredged described in step (2)
Silane structure compound or mixture.
9. the cotton fabric perfluoro decyl acrylate polymer based on UV light-induced graft polymerization is whole as described in claim 1
Reason method, which is characterized in that induced graft polymerization processing is using photoinitiator in purple under ultraviolet light described in step (2)
Induced graft polymerization is handled under outer light.
10. the cotton fabric perfluoro decyl acrylate polymer based on UV light-induced graft polymerization as claimed in claim 9
Method for sorting, which is characterized in that the photoinitiator includes 2,2- dimethyl -2- phenyl acetophenone and 2,2- dihydromethyl propionic acid
At least one of.
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| CN201810793318.8A CN109137468A (en) | 2018-07-18 | 2018-07-18 | A kind of cotton fabric fluorinated acrylate polymer water-repellent finishing method |
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| CN201810793318.8A CN109137468A (en) | 2018-07-18 | 2018-07-18 | A kind of cotton fabric fluorinated acrylate polymer water-repellent finishing method |
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| CN109295715A (en) * | 2018-08-09 | 2019-02-01 | 东华大学 | A kind of water repellent cotton fabric and preparation method thereof |
| CN110774394A (en) * | 2019-11-04 | 2020-02-11 | 合肥工业大学 | Super-hydrophobic multifunctional cellulose-based material surface treatment method |
| CN110841613A (en) * | 2019-10-31 | 2020-02-28 | 合肥工业大学 | Chiral separation multifunctional cellulose-based material and preparation method thereof |
| CN110983785A (en) * | 2019-11-26 | 2020-04-10 | 广东省测试分析研究所（中国广州分析测试中心） | Preparation method of Janus type textile |
| CN111472171A (en) * | 2020-05-18 | 2020-07-31 | 苏州大学 | Super-hydrophobic fabric and preparation method thereof |
| CN113802367A (en) * | 2021-10-27 | 2021-12-17 | 浙江吉麻良丝新材料股份有限公司 | Method for improving ultraviolet resistance of hemp fabric |
| CN116516684A (en) * | 2023-05-05 | 2023-08-01 | 华尔泰国际纺织（杭州）有限公司 | Waterproof and anti-fouling microfiber fabric and processing technology thereof |
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| CN109295715A (en) * | 2018-08-09 | 2019-02-01 | 东华大学 | A kind of water repellent cotton fabric and preparation method thereof |
| CN110841613A (en) * | 2019-10-31 | 2020-02-28 | 合肥工业大学 | Chiral separation multifunctional cellulose-based material and preparation method thereof |
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| CN113802367A (en) * | 2021-10-27 | 2021-12-17 | 浙江吉麻良丝新材料股份有限公司 | Method for improving ultraviolet resistance of hemp fabric |
| CN113802367B (en) * | 2021-10-27 | 2023-10-31 | 浙江吉麻良丝新材料股份有限公司 | Method for improving ultraviolet resistance of China hemp fabric |
| CN116516684A (en) * | 2023-05-05 | 2023-08-01 | 华尔泰国际纺织（杭州）有限公司 | Waterproof and anti-fouling microfiber fabric and processing technology thereof |
| CN116516684B (en) * | 2023-05-05 | 2023-11-10 | 华尔泰国际纺织（杭州）有限公司 | Waterproof and anti-fouling microfiber fabric and processing technology thereof |
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Application publication date: 20190104 |