CN111304904A - Preparation method of polyester fabric with water-repellent, oil-repellent and antibacterial functions - Google Patents
Preparation method of polyester fabric with water-repellent, oil-repellent and antibacterial functions Download PDFInfo
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- CN111304904A CN111304904A CN202010114661.2A CN202010114661A CN111304904A CN 111304904 A CN111304904 A CN 111304904A CN 202010114661 A CN202010114661 A CN 202010114661A CN 111304904 A CN111304904 A CN 111304904A
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- repellent
- polyester fabric
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- oil
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- 239000004744 fabric Substances 0.000 title claims abstract description 107
- 229920000728 polyester Polymers 0.000 title claims abstract description 89
- 239000005871 repellent Substances 0.000 title claims abstract description 61
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 49
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000001035 drying Methods 0.000 claims abstract description 31
- XPBBUZJBQWWFFJ-UHFFFAOYSA-N fluorosilane Chemical compound [SiH3]F XPBBUZJBQWWFFJ-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000011065 in-situ storage Methods 0.000 claims abstract description 23
- 230000003075 superhydrophobic effect Effects 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000002131 composite material Substances 0.000 claims abstract description 17
- 238000012986 modification Methods 0.000 claims abstract description 15
- 230000004048 modification Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000003373 anti-fouling effect Effects 0.000 claims abstract description 7
- 230000004888 barrier function Effects 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 12
- 229910021641 deionized water Inorganic materials 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 12
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 12
- 239000002105 nanoparticle Substances 0.000 claims description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 6
- 238000007598 dipping method Methods 0.000 claims description 6
- 239000003112 inhibitor Substances 0.000 claims description 6
- 229910017604 nitric acid Inorganic materials 0.000 claims description 6
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 6
- AVYKQOAMZCAHRG-UHFFFAOYSA-N triethoxy(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)silane Chemical group CCO[Si](OCC)(OCC)CCC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F AVYKQOAMZCAHRG-UHFFFAOYSA-N 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims 1
- 239000000835 fiber Substances 0.000 abstract description 10
- 239000002086 nanomaterial Substances 0.000 abstract description 4
- 238000009832 plasma treatment Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 3
- 238000009776 industrial production Methods 0.000 abstract description 3
- 230000000704 physical effect Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000003980 solgel method Methods 0.000 abstract description 3
- 238000003760 magnetic stirring Methods 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 239000003242 anti bacterial agent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 241000588724 Escherichia coli Species 0.000 description 2
- 241000191967 Staphylococcus aureus Species 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920004934 Dacron® Polymers 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 229910052586 apatite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000008040 ionic compounds Chemical class 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011858 nanopowder Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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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
-
- 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
-
- 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
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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
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/144—Alcohols; Metal alcoholates
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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
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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
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
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- 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
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/11—Oleophobic properties
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- 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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- 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
- D06M2200/25—Resistance to light or sun, i.e. protection of the textile itself as well as UV shielding materials or treatment compositions therefor; Anti-yellowing treatments
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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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/35—Abrasion, pilling or fibrillation resistance
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- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a preparation method of a polyester fabric with water-repellent, oil-repellent and antibacterial functions, which comprises the following steps: A. carrying out surface modification treatment on the polyester fabric in a normal-pressure dielectric barrier discharge plasma device; B. putting the polyester fabric into a solution to generate a nano TiO2/Ag composite structure in situ and drying; C. fully oscillating and padding the polyester fabric in the super-hydrophobic functional finishing liquid; D. and (3) pre-baking the polyester fabric through an oven, and baking to obtain the water-repellent, oil-repellent, antifouling and antibacterial polyester fabric. The method combines the antibacterial property with the water and oil repellency, adopts a sol-gel method to construct a TiO2-Ag composite nano structure on the surface of the polyester fiber in situ, and combines the normal-pressure plasma treatment and the fluorosilane finishing, so that the polyester fabric has stable super-hydrophobic antibacterial property, good mechanical friction resistance stability, energy-saving, environment-friendly and efficient operation process, less influence on other physical properties of the fabric, easy realization of continuous industrial production and good development space.
Description
Technical Field
The invention relates to the technical field of polyester fabric preparation, in particular to a preparation method of a polyester fabric with water-repellent, oil-repellent and antibacterial functions.
Background
With the improvement of living standard, people have higher and higher requirements on the quality of the fabric, especially on the functionality of the fabric. The water-repellent and oil-repellent finishing of the fabric is to form a layer of low-tension film on the surface of the fabric, and the film cannot be wetted by water or oil, so that the effect of water-repellent and oil-repellent performance is achieved. The water-and oil-repellent finish is generally carried out by the following methods: (1) compact waterproof moisture permeable fabric: the superfine fiber is tightly woven to achieve the aim of water repellency, but water penetration can be prevented only for a short time, and the fabric has no oil repellency, poor tearing performance and hard hand feeling. (2) Laminating a polytetrafluoroethylene film: the product has high processing difficulty, high cost, expensive ready-made clothes and poor softness and drapability. (3) Coating finishing: mainly adopts an organic solvent system, has heavy environmental pollution, and the treated fabric has poor drapability and softness, poor finishing effect durability and low adhesion fastness. (4) Finishing by a fluorocarbon padding method: the whiteness of the finished fabric is reduced, waste water is generated in the finishing process, and the energy consumption is serious. In the prior art, the antibacterial fabric refers to a fabric capable of resisting regeneration and propagation of staphylococcus aureus and escherichia coli. The antibacterial textile comprises antibacterial fibers and antibacterial fabrics. They kill and inhibit microorganisms by adding highly effective, broad spectrum, and textile compatible antimicrobial materials into the fibers or fabrics. The nano antibacterial agent is a novel antibacterial material which is newly developed in recent years and is based on a nanotechnology, and because the nano particles have a quantum effect, a small-size effect and a great specific surface area, the inorganic nano antibacterial agent (such as silver-series nano powder of nano TiO2, ZnO and SiO 2) has an excellent antibacterial effect which cannot be compared with the traditional inorganic antibacterial agent (porous substances such as TiO2, ZnO, zeolite and apatite, metals such as silver, copper and gold, and ionic compounds thereof). The invention combines the normal pressure plasma treatment, the in-situ generation of the composite micro-nano structure of nano TiO2/Ag and the low surface modification of fluorosilane, so that the polyester fabric has the functions of antibiosis, water repellency and oil repellency.
Disclosure of Invention
The invention aims to provide a preparation method of a polyester fabric with water-repellent, oil-repellent and antibacterial functions, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of a polyester fabric with water-repellent, oil-repellent and antibacterial functions comprises the following steps:
A. carrying out surface modification treatment on the polyester fabric in a normal-pressure dielectric barrier discharge plasma device;
B. putting the polyester fabric into a solution to generate a nano TiO2/Ag composite structure in situ and drying;
C. fully oscillating and padding the polyester fabric in the super-hydrophobic functional finishing liquid;
D. and (3) pre-baking the polyester fabric through an oven, and baking to obtain the water-repellent, oil-repellent, antifouling and antibacterial polyester fabric.
Preferably, the treatment atmosphere of the surface modification treatment in the step A is Ar gas, the gas flow is 1L/min, the treatment power is 1KW, and the treatment time is 90-180 s.
Preferably, the polyester fabric and the butyl titanate solution in the step B are prepared according to a bath ratio of 1: 30; and B, generating a nano TiO2/Ag composite structure in situ in the solution by the polyester fabric, wherein the finishing liquid comprises the following raw materials, by mass, 1-3 parts of butyl titanate, 10-12 parts of absolute ethyl alcohol, 5-7 parts of deionized water and 0.1-0.5 part of silver nitrate.
Preferably, nitric acid is dripped into the finishing liquid in the step C to be used as an inhibitor to adjust the pH value to 2-3.
Preferably, after the finishing liquid is used for dipping the fabric in the step C and ultrasonically dispersing for 30min, the finishing temperature is 90 ℃ under magnetic stirring, and the time is 1.5 h; the drying temperature is 120 ℃, and the drying time is 2-6 min.
Preferably, the dacron and the super-hydrophobic functional finishing liquid in the step C are prepared according to a bath ratio of 1:40, and the super-hydrophobic ultraviolet-resistant functional finishing liquid comprises the following raw materials, by mass, 1-1.5 parts of a fluorosilane finishing agent, 99-101 parts of absolute ethyl alcohol and 103 parts of deionized water.
Preferably, after the nanoparticles are generated in situ in the polyester fabric in the step C, the pre-drying temperature is 90 ℃ for 2-6min, the drying temperature is 120 ℃ and the drying time is 1-1.5 min.
Preferably, the prehydrolysis time of the fluorosilane finishing agent in the step C is 30min, and the bath ratio of the fluorosilane finishing liquid is 1: 40; the fluorosilane finishing agent is 1H, 1H, 2H, 2H-perfluorooctyl triethoxysilane.
Preferably, the padding treatment temperature in the step C is 60-90 ℃, the padding is carried out for two times, the padding pressure is 2-2.5MP, and the liquid carrying rate is 50-65%.
Preferably, in the step D, the pre-baking temperature is 100 ℃, the time is 2-6min, the baking temperature is 150 ℃, and the time is 1-1.5 min.
Compared with the prior art, the invention has the beneficial effects that: the method combines the antibacterial property with the water and oil repellency, adopts a sol-gel method to construct a TiO2-Ag composite nano structure on the surface of the polyester fiber in situ, not only endows the fiber with an antibacterial function, but also further adds the surface roughness of the fiber, combines the normal pressure plasma treatment and the fluorosilane finishing, ensures that the polyester fabric has stable super-hydrophobic antibacterial property, has good mechanical friction resistance stability, is energy-saving, environment-friendly and efficient in operation process, has little influence on other physical properties of the fabric, is easy to realize continuous industrial production, and has good development space.
Drawings
FIG. 1 is a flow chart of the preparation of the present invention;
FIG. 2 is a diagram showing the halo method results of the antibacterial experiment of the samples before and after finishing; wherein, a, terylene original shape; b. plasma-TiO2The Ag-fluorosilane finished polyester fabric;
FIG. 3 is a plasma-TiO2A schematic diagram of a stain resistance test of the polyester fabric after the/Ag-fluorosilane finishing, wherein a is a wetting 0s diagram; b. wipe pattern after wetting for 30 s.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-3, the present invention provides a technical solution: a preparation method of a polyester fabric with water-repellent, oil-repellent and antibacterial functions comprises the following steps:
A. carrying out surface modification treatment on the polyester fabric in a normal-pressure dielectric barrier discharge plasma device;
B. putting the polyester fabric into a solution to generate a nano TiO2/Ag composite structure in situ and drying;
C. fully oscillating and padding the polyester fabric in the super-hydrophobic functional finishing liquid;
D. and (3) pre-baking the polyester fabric through an oven, and baking to obtain the water-repellent, oil-repellent, antifouling and antibacterial polyester fabric.
In this embodiment, the processing atmosphere of the surface modification treatment in step a is Ar gas, the gas flow rate is 1L/min, the processing power is 1KW, and the processing time is 90 s.
In the embodiment, the polyester fabric and the butyl titanate solution in the step B are prepared according to a bath ratio of 1: 30; and B, generating a nano TiO2/Ag composite structure in situ in the solution by the polyester fabric in the step B, wherein the finishing liquid comprises the following raw materials in parts by mass, 1 part of butyl titanate, 10 parts of absolute ethyl alcohol, 5 parts of deionized water and 0.1 part of silver nitrate.
In this example, nitric acid was added dropwise to the finishing liquid in step C as an inhibitor to adjust the PH to 2.
In the embodiment, after the finishing liquid is used for dipping the fabric in the step C and ultrasonically dispersing for 30min, the finishing temperature is 90 ℃ under magnetic stirring, and the time is 1.5 h; the drying temperature is 120 ℃ and the drying time is 2 min.
In the embodiment, the polyester fabric and the super-hydrophobic functional finishing liquid in the step C are prepared according to a bath ratio of 1:40, and the super-hydrophobic ultraviolet-resistant functional finishing liquid comprises the following raw materials, by mass, 1 part of a fluorosilane finishing agent, 99 parts of absolute ethyl alcohol and 100 parts of deionized water.
In this embodiment, after the nanoparticles are generated in situ in the polyester fabric in the step C, the pre-drying temperature is 90 ℃ for 2min, and the drying temperature is 120 ℃ for 1 min.
In the embodiment, the prehydrolysis time of the fluorosilane finishing agent in the step C is 30min, and the bath ratio of the fluorosilane finishing liquid is 1: 40; the fluorosilane finishing agent is 1H, 1H, 2H, 2H-perfluorooctyl triethoxysilane.
In this embodiment, the padding temperature in step C is 60 ℃, the padding pressure is 2MP, and the liquid carrying rate is 50%.
In this embodiment, in the step D, the pre-baking temperature is 100 ℃ for 2min, and the baking temperature is 150 ℃ for 1 min.
Example two:
a preparation method of a polyester fabric with water-repellent, oil-repellent and antibacterial functions comprises the following steps:
A. carrying out surface modification treatment on the polyester fabric in a normal-pressure dielectric barrier discharge plasma device;
B. putting the polyester fabric into a solution to generate a nano TiO2/Ag composite structure in situ and drying;
C. fully oscillating and padding the polyester fabric in the super-hydrophobic functional finishing liquid;
D. and (3) pre-baking the polyester fabric through an oven, and baking to obtain the water-repellent, oil-repellent, antifouling and antibacterial polyester fabric.
In this embodiment, the processing atmosphere of the surface modification treatment in step a is Ar gas, the gas flow rate is 1L/min, the processing power is 1KW, and the processing time is 180 s.
In the embodiment, the polyester fabric and the butyl titanate solution in the step B are prepared according to a bath ratio of 1: 30; and B, generating a nano TiO2/Ag composite structure in situ in the solution by the polyester fabric in the step B, wherein the finishing liquid comprises the following raw materials in parts by mass, 3 parts of butyl titanate, 12 parts of absolute ethyl alcohol, 7 parts of deionized water and 0.5 part of silver nitrate.
In this example, nitric acid was added dropwise to the finishing liquid in step C as an inhibitor to adjust the PH to 3.
In the embodiment, after the finishing liquid is used for dipping the fabric in the step C and ultrasonically dispersing for 30min, the finishing temperature is 90 ℃ under magnetic stirring, and the time is 1.5 h; the drying temperature is 120 ℃ and the drying time is 6 min.
In the embodiment, the polyester fabric and the super-hydrophobic functional finishing liquid in the step C are prepared according to a bath ratio of 1:40, and the super-hydrophobic ultraviolet-resistant functional finishing liquid comprises the following raw materials, by mass, 1.5 parts of a fluorosilane finishing agent, 101 parts of absolute ethyl alcohol and 103 parts of deionized water.
In this embodiment, after the nanoparticles are generated in situ in the polyester fabric in the step C, the pre-drying temperature is 90 ℃ for 6min, and the drying temperature is 120 ℃ for 1.5 min.
In the embodiment, the prehydrolysis time of the fluorosilane finishing agent in the step C is 30min, and the bath ratio of the fluorosilane finishing liquid is 1: 40; the fluorosilane finishing agent is 1H, 1H, 2H, 2H-perfluorooctyl triethoxysilane.
In this embodiment, the padding temperature in step C is 90 ℃, the padding pressure is 2.5MP, and the liquid carrying rate is 65%.
In this embodiment, in the step D, the pre-baking temperature is 100 ℃ and the baking time is 6min, and the baking temperature is 150 ℃ and the baking time is 1.5 min.
Example three:
a preparation method of a polyester fabric with water-repellent, oil-repellent and antibacterial functions comprises the following steps:
A. carrying out surface modification treatment on the polyester fabric in a normal-pressure dielectric barrier discharge plasma device;
B. putting the polyester fabric into a solution to generate a nano TiO2/Ag composite structure in situ and drying;
C. fully oscillating and padding the polyester fabric in the super-hydrophobic functional finishing liquid;
D. and (3) pre-baking the polyester fabric through an oven, and baking to obtain the water-repellent, oil-repellent, antifouling and antibacterial polyester fabric.
In this embodiment, the processing atmosphere of the surface modification treatment in step a is Ar gas, the gas flow rate is 1L/min, the processing power is 1KW, and the processing time is 100 s.
In the embodiment, the polyester fabric and the butyl titanate solution in the step B are prepared according to a bath ratio of 1: 30; and B, generating a nano TiO2/Ag composite structure in situ in the solution by the polyester fabric in the step B, wherein the finishing liquid comprises the following raw materials in parts by mass, 3 parts of butyl titanate, 10 parts of absolute ethyl alcohol, 5 parts of deionized water and 0.5 part of silver nitrate.
In this example, nitric acid was added dropwise to the finishing liquid in step C as an inhibitor to adjust the PH to 3.
In the embodiment, after the finishing liquid is used for dipping the fabric in the step C and ultrasonically dispersing for 30min, the finishing temperature is 90 ℃ under magnetic stirring, and the time is 1.5 h; the drying temperature is 120 ℃, and the drying time is 2-6 min.
In the embodiment, the polyester fabric and the super-hydrophobic functional finishing liquid in the step C are prepared according to a bath ratio of 1:40, and the super-hydrophobic ultraviolet-resistant functional finishing liquid comprises the following raw materials, by mass, 1 part of a fluorosilane finishing agent, 101 parts of absolute ethyl alcohol and 101 parts of deionized water.
In this embodiment, after the nanoparticles are generated in situ in the polyester fabric in the step C, the pre-drying temperature is 90 ℃ for 3min, and the drying temperature is 120 ℃ for 1.1 min.
In the embodiment, the prehydrolysis time of the fluorosilane finishing agent in the step C is 30min, and the bath ratio of the fluorosilane finishing liquid is 1: 40; the fluorosilane finishing agent is 1H, 1H, 2H, 2H-perfluorooctyl triethoxysilane.
In this embodiment, the padding temperature in step C is 70 ℃, the padding pressure is 2.1MP, and the liquid carrying rate is 55%.
In this embodiment, in the step D, the pre-baking temperature is 100 ℃ for 3min, and the baking temperature is 150 ℃ for 1 min.
Example four:
a preparation method of a polyester fabric with water-repellent, oil-repellent and antibacterial functions comprises the following steps:
A. carrying out surface modification treatment on the polyester fabric in a normal-pressure dielectric barrier discharge plasma device;
B. putting the polyester fabric into a solution to generate a nano TiO2/Ag composite structure in situ and drying;
C. fully oscillating and padding the polyester fabric in the super-hydrophobic functional finishing liquid;
D. and (3) pre-baking the polyester fabric through an oven, and baking to obtain the water-repellent, oil-repellent, antifouling and antibacterial polyester fabric.
In this embodiment, the processing atmosphere of the surface modification treatment in step a is Ar gas, the gas flow rate is 1L/min, the processing power is 1KW, and the processing time is 120 s.
In the embodiment, the polyester fabric and the butyl titanate solution in the step B are prepared according to a bath ratio of 1: 30; and B, generating a nano TiO2/Ag composite structure in situ in the solution by the polyester fabric in the step B, wherein the finishing liquid comprises the following raw materials in parts by weight, 2 parts of butyl titanate, 11 parts of absolute ethyl alcohol, 6 parts of deionized water and 0.3 part of silver nitrate.
In this example, nitric acid was added dropwise to the finishing liquid in step C as an inhibitor to adjust the PH to 2.
In the embodiment, after the finishing liquid is used for dipping the fabric in the step C and ultrasonically dispersing for 30min, the finishing temperature is 90 ℃ under magnetic stirring, and the time is 1.5 h; the drying temperature is 120 ℃, and the drying time is 2-6 min.
In the embodiment, the polyester fabric and the super-hydrophobic functional finishing liquid in the step C are prepared according to a bath ratio of 1:40, and the super-hydrophobic ultraviolet-resistant functional finishing liquid comprises the following raw materials, by mass, 1.3 parts of a fluorosilane finishing agent, 100 parts of absolute ethyl alcohol and 102 parts of deionized water.
In this embodiment, after the nanoparticles are generated in situ in the polyester fabric in the step C, the pre-drying temperature is 90 ℃ for 4min, and the drying temperature is 120 ℃ for 1.3 min.
In the embodiment, the prehydrolysis time of the fluorosilane finishing agent in the step C is 30min, and the bath ratio of the fluorosilane finishing liquid is 1: 40; the fluorosilane finishing agent is 1H, 1H, 2H, 2H-perfluorooctyl triethoxysilane.
In this embodiment, the padding temperature in step C is 75 ℃, the padding pressure is 2.2MP, and the liquid carrying rate is 58%.
In this embodiment, in the step D, the pre-baking temperature is 100 ℃ for 4min, and the baking temperature is 150 ℃ for 1.3 min.
The maximum contact angle between the polyester fabric with the water-repellent, oil-repellent and antibacterial functions and water is 153 degrees; reference standard AATCC118-2013, oil repellency rating of 6 grade; reference is made to GB/T30159.1-2013 "detection and evaluation of textile soil resistance Properties part one: stain resistance, stain resistance grade 4. According to the reference GB/T18830-2009, the ultraviolet resistance is excellent. According to the standard FZ/T73023-2006, the antibacterial zone is generated for escherichia coli and staphylococcus aureus, the antibacterial rate can reach 99.9%, and the antibacterial agent has good antibacterial performance.
In conclusion, the method combines the antibacterial property with the water and oil repellency, adopts a sol-gel method to construct a TiO2-Ag composite nano structure on the surface of the polyester fiber in situ, not only endows the fiber with an antibacterial function, but also further adds the surface roughness of the fiber, combines the normal pressure plasma treatment and the fluorosilane finishing, ensures that the polyester fabric has stable super-hydrophobic antibacterial property, has good mechanical friction resistance stability, is energy-saving, environment-friendly and efficient in operation process, has little influence on other physical properties of the fabric, is easy to realize continuous industrial production, and has good development space.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A preparation method of a polyester fabric with water-repellent, oil-repellent and antibacterial functions is characterized by comprising the following steps: the method comprises the following steps:
A. carrying out surface modification treatment on the polyester fabric in a normal-pressure dielectric barrier discharge plasma device;
B. putting the polyester fabric into a solution to generate a nano TiO2/Ag composite structure in situ and drying;
C. fully oscillating and padding the polyester fabric in the super-hydrophobic functional finishing liquid;
D. and (3) pre-baking the polyester fabric through an oven, and baking to obtain the water-repellent, oil-repellent, antifouling and antibacterial polyester fabric.
2. The preparation method of the polyester fabric with the water-repellent, oil-repellent and antibacterial functions, according to claim 1, is characterized in that: in the step A, the processing atmosphere of the surface modification treatment is Ar gas, the gas flow is 1L/min, the processing power is 1KW, and the processing time is 90-180 s.
3. The preparation method of the polyester fabric with the water-repellent, oil-repellent and antibacterial functions, according to claim 1, is characterized in that: b, preparing the polyester fabric and the butyl titanate solution according to a bath ratio of 1: 30; and B, generating a nano TiO2/Ag composite structure in situ in the solution by the polyester fabric, wherein the finishing liquid comprises the following raw materials, by mass, 1-3 parts of butyl titanate, 10-12 parts of absolute ethyl alcohol, 5-7 parts of deionized water and 0.1-0.5 part of silver nitrate.
4. The preparation method of the polyester fabric with the water-repellent, oil-repellent and antibacterial functions, according to claim 1, is characterized in that: and C, dropwise adding nitric acid into the finishing liquid in the step C to serve as an inhibitor to adjust the pH value to be 2-3.
5. The preparation method of the polyester fabric with the water-repellent, oil-repellent and antibacterial functions, according to claim 1, is characterized in that: after the finishing liquid is used for dipping the fabric in the step C, ultrasonically dispersing for 30min, and then magnetically stirring and finishing at the temperature of 90 ℃ for 1.5 h; the drying temperature is 120 ℃, and the drying time is 2-6 min.
6. The preparation method of the polyester fabric with the water-repellent, oil-repellent and antibacterial functions, according to claim 1, is characterized in that: and C, preparing the polyester fabric and the super-hydrophobic functional finishing liquid according to a bath ratio of 1:40, wherein the super-hydrophobic ultraviolet-resistant functional finishing liquid comprises the following raw materials, by mass, 1-1.5 parts of a fluorosilane finishing agent, 99-101 parts of absolute ethyl alcohol and 103 parts of deionized water.
7. The preparation method of the polyester fabric with the water-repellent, oil-repellent and antibacterial functions, according to claim 1, is characterized in that: and C, after the nano particles are generated in situ on the polyester fabric in the step C, the pre-drying temperature is 90 ℃, the time is 2-6min, the curing temperature is 120 ℃, and the time is 1-1.5 min.
8. The preparation method of the polyester fabric with the water-repellent, oil-repellent and antibacterial functions, according to claim 1, is characterized in that: in the step C, the prehydrolysis time of the fluorosilane finishing agent is 30min, and the bath ratio of the fluorosilane finishing liquid is 1: 40; the fluorosilane finishing agent is 1H, 1H, 2H, 2H-perfluorooctyl triethoxysilane.
9. The preparation method of the polyester fabric with the water-repellent, oil-repellent and antibacterial functions, according to claim 1, is characterized in that: and C, the padding treatment temperature in the step C is 60-90 ℃, the padding is carried out for two times, the padding pressure is 2-2.5MP, and the liquid carrying rate is 50-65%.
10. The preparation method of the polyester fabric with the water-repellent, oil-repellent and antibacterial functions, according to claim 1, is characterized in that: in the step D, the pre-baking temperature is 100 ℃, the baking time is 2-6min, the baking temperature is 150 ℃, and the baking time is 1-1.5 min.
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| CN114657788A (en) * | 2022-02-09 | 2022-06-24 | 中国第一汽车股份有限公司 | Multifunctional fabric for degrading pollutants in air and preparation method thereof |
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| CN115198423B (en) * | 2022-07-25 | 2023-12-05 | 杭州道贤智能科技有限责任公司 | Antibacterial flame-retardant polyester fabric and preparation method thereof |
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Application publication date: 20200619 |