CN110757922B - Composite fabric and production method thereof - Google Patents
Composite fabric and production method thereof Download PDFInfo
- Publication number
- CN110757922B CN110757922B CN201911152281.1A CN201911152281A CN110757922B CN 110757922 B CN110757922 B CN 110757922B CN 201911152281 A CN201911152281 A CN 201911152281A CN 110757922 B CN110757922 B CN 110757922B
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- CN
- China
- Prior art keywords
- fabric
- waterproof breathable
- breathable layer
- waterproof
- ribbon
- Prior art date
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- 239000004744 fabric Substances 0.000 title claims abstract description 94
- 239000002131 composite material Substances 0.000 title claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 126
- 239000002245 particle Substances 0.000 claims description 55
- 239000013618 particulate matter Substances 0.000 claims description 36
- -1 polypropylene Polymers 0.000 claims description 33
- 239000000243 solution Substances 0.000 claims description 33
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 27
- 239000011148 porous material Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 20
- 238000009987 spinning Methods 0.000 claims description 14
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 12
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 12
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 12
- 238000009826 distribution Methods 0.000 claims description 11
- 238000012546 transfer Methods 0.000 claims description 8
- 239000000443 aerosol Substances 0.000 claims description 7
- 238000013329 compounding Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000011259 mixed solution Substances 0.000 claims description 6
- 239000002759 woven fabric Substances 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 4
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 claims description 3
- UMNKXPULIDJLSU-UHFFFAOYSA-N dichlorofluoromethane Chemical compound FC(Cl)Cl UMNKXPULIDJLSU-UHFFFAOYSA-N 0.000 claims description 2
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 claims description 2
- 230000035699 permeability Effects 0.000 abstract description 12
- 239000010410 layer Substances 0.000 description 83
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 48
- 229910000019 calcium carbonate Inorganic materials 0.000 description 24
- 239000004698 Polyethylene Substances 0.000 description 22
- 229920000573 polyethylene Polymers 0.000 description 22
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 14
- 239000004094 surface-active agent Substances 0.000 description 10
- 239000004745 nonwoven fabric Substances 0.000 description 8
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 7
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000004734 Polyphenylene sulfide Substances 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 229920000069 polyphenylene sulfide Polymers 0.000 description 5
- 239000002344 surface layer Substances 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 4
- 239000004753 textile Substances 0.000 description 4
- 229920001661 Chitosan Polymers 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 229920002223 polystyrene Polymers 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000004111 Potassium silicate Substances 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000378 calcium silicate Substances 0.000 description 2
- 229910052918 calcium silicate Inorganic materials 0.000 description 2
- 235000012241 calcium silicate Nutrition 0.000 description 2
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 2
- 239000001095 magnesium carbonate Substances 0.000 description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 2
- 239000000391 magnesium silicate Substances 0.000 description 2
- 229910052919 magnesium silicate Inorganic materials 0.000 description 2
- 235000019792 magnesium silicate Nutrition 0.000 description 2
- ZADYMNAVLSWLEQ-UHFFFAOYSA-N magnesium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[Mg+2].[Si+4] ZADYMNAVLSWLEQ-UHFFFAOYSA-N 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229910052913 potassium silicate Inorganic materials 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 2
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 235000019794 sodium silicate Nutrition 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 210000000438 stratum basale Anatomy 0.000 description 2
- 238000001132 ultrasonic dispersion Methods 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical class CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical class C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 1
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000005211 alkyl trimethyl ammonium group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 description 1
- NWZBFJYXRGSRGD-UHFFFAOYSA-M sodium;octadecyl sulfate Chemical compound [Na+].CCCCCCCCCCCCCCCCCCOS([O-])(=O)=O NWZBFJYXRGSRGD-UHFFFAOYSA-M 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
-
- 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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/007—Addition polymers
-
- 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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/009—Condensation or reaction polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2437/00—Clothing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a composite fabric and a production method thereof. The composite fabric comprises a base layer fabric and a waterproof breathable layer; the waterproof breathable layer contains ribbon fibers which are overlapped with each other, the ribbon fibers are fluffy distributed in the thickness direction of the waterproof breathable layer, micropores with the diameter of 0.1-3 mu m are formed on the section of the waterproof breathable layer, and the micropores form airflow channels in the waterproof breathable layer. The composite fabric has good air permeability.
Description
Technical Field
The invention relates to a composite fabric and a production method thereof, in particular to a waterproof and breathable composite fabric and a production method thereof.
Background
The composite fabric is a novel material formed by bonding and laminating one or more layers of textile materials, non-woven materials and other functional materials. The composite fabric has more excellent performance after modification. CN209126251U discloses a textile fabric for clothing design, comprising an antistatic layer, a metal conductive wire mesh layer, an odor absorbing layer, a waterproof fabric layer, a textile fabric layer, an inner lining antibacterial layer, a sweat absorbing layer and a breathable wear-resistant layer, wherein the waterproof fabric layer is made by compounding polytetrafluoroethylene and fiber fabric. The textile fabric for clothing design has poor air permeability. CN108556438A discloses a light breathable waterproof game wear fabric, which comprises a waterproof breathable layer on the surface layer, an antibacterial heat-insulating layer in the middle and a moisture-absorbing breathable layer on the inner layer, wherein the waterproof breathable layer is a composite fabric formed by blending thermoplastic polyurethane and ethylene-vinyl acetate copolymer. The air permeability of the fabric of the game wear is poor. CN208211551U discloses a waterproof breathable garment material, including the pure cotton stratum basale, the top of pure cotton stratum basale be provided with polyester cotton latitude bullet cloth layer, polyester cotton latitude bullet cloth layer top is provided with the bamboo charcoal fiber sterilization layer, bamboo charcoal fiber sterilization layer top is provided with polytetrafluoroethylene waterproof ventilated membrane, polytetrafluoroethylene waterproof ventilated membrane's top is provided with the wearing layer. The clothing fabric has poor air permeability.
Disclosure of Invention
Accordingly, an object of the present invention is to provide a composite fabric with good waterproof and air permeability. Further, the composite fabric has good strength.
The invention also aims to provide a method for preparing the composite fabric, which is simple in process and suitable for industrial production. The technical scheme is adopted to achieve the purpose.
In one aspect, the invention provides a composite fabric, comprising a base fabric and a waterproof breathable layer; the waterproof breathable layer contains ribbon fibers which are overlapped with each other, the ribbon fibers are fluffy distributed in the thickness direction of the waterproof breathable layer, micropores with pore diameters of 0.1-3 mu m are formed on the section of the waterproof breathable layer, and the micropores form airflow channels in the waterproof breathable layer.
The composite fabric according to the present invention is preferably one or more selected from polyethylene fibers, polypropylene fibers and polyphenylene sulfide fibers.
According to the composite fabric of the present invention, preferably, the ribbon fiber has a thickness of 0.2 to 3 μm and a width of 2 to 25 μm.
According to the composite fabric of the present invention, preferably, the base layer is a woven fabric or a knitted fabric.
According to the composite fabric disclosed by the invention, preferably, the waterproof breathable layer also contains particles, and the particles and the ribbon fibers are staggered.
The composite fabric according to the invention preferably has the particle D 90 0.1-3 μm.
Preferably, the particles are selected from one or more of titanium dioxide, silicon dioxide, aluminum oxide, silicate, carbonate, polymethyl methacrylate, polyvinylpyrrolidone, polystyrene, polyethylene glycol, polydimethylsiloxane, polylactic acid-glycolic acid copolymer and chitosan.
On the other hand, the invention also provides a production method of the composite fabric, which comprises the following steps:
(1) Forming a spinning solution, and forming the spinning solution into nascent fibers;
(2) Spraying the solution containing the particles on the primary fibers to obtain the primary fibers with the particles attached to the surfaces;
(3) Collecting the nascent fibers with the particles attached to the surfaces to a lapping transfer device to form ribbon fibers, wherein the ribbon fibers are mutually overlapped, and the particles and the ribbon fibers are staggered, so that micropores are formed among the ribbon fibers to obtain the waterproof breathable material;
(4) Removing particles in the waterproof breathable material to obtain a waterproof breathable layer;
(5) And compounding the waterproof breathable layer with the base layer fabric to obtain the composite fabric.
According to the production method of the present invention, preferably, the particulate matter-containing solution in the step (2) further contains a surfactant, and the particulate matter-containing solution is sprayed onto the nascent fibers in the form of an aerosol; the content of the particles in the solution containing the particles is 0.1-20wt% and the content of the surfactant is 0.05-0.5wt%.
According to the production method of the present invention, preferably, the particulate matter in the waterproof and breathable material is removed in step (4) using an aqueous solution of an inorganic acid.
The composite fabric comprises the waterproof breathable layer containing ribbon fibers and the base layer fabric, and has good waterproof and breathable properties. Furthermore, the composite fabric is softer and can be directly contacted with a human body. According to the preferable technical scheme of the invention, the composite fabric has good strength.
Drawings
FIG. 1 is a schematic structural view of a waterproof breathable fabric of the present invention;
FIG. 2 is a schematic structural view of a composite fabric according to the present invention;
fig. 3 is a schematic structural view of another composite fabric according to the present invention.
The reference numerals are explained as follows:
1-a base layer fabric; 2-a waterproof breathable layer; 11-weft yarns; 12-warp yarns; 21-ribbon type fibers; 22-air flow channels; 23-particulate matter.
Detailed Description
The present invention will be further described with reference to specific examples, but the scope of the present invention is not limited thereto.
< composite Fabric >
The composite fabric comprises a base layer fabric and a waterproof breathable layer; the waterproof breathable layer contains ribbon fibers which are overlapped with each other, the ribbon fibers are fluffy distributed in the thickness direction of the waterproof breathable layer, micropores with pore diameter distribution of 0.1-3 mu m are formed on the section of the waterproof breathable layer, and airflow channels are formed in the waterproof breathable layer by the micropores, so that the air permeability of the composite fabric is increased. These micropores are formed by the interstices formed by the ribbon fibers superimposed on one another and the presence of particulate matter, some of which remain after partial or complete removal of the particulate matter. Pore size distribution refers to the percentage of pore size of each stage present in the waterproof and breathable layer by number or volume. The pore size distribution of the micropores is not strictly limited in the present invention, as long as the pore size of most micropores is within the above-described range. For example, at least 50vol% of the micropores have a pore size in the above range; preferably, at least 60vol% of the micropores have a pore size in the above range; more preferably, at least 90vol% of the micropores have a pore size in the above range. Thus, the air permeability and the strength of the composite fabric can be considered. After being combined with the base layer fabric, the waterproof breathable layer is softer and can be used as a garment fabric to be directly contacted with a human body; the waterproof and breathable composite material can also be used as an intermediate functional layer to play a role in waterproof and breathable. The base fabric can be used as a surface layer or an inner layer of the composite fabric. When the base fabric is used as the surface layer, the surface of the base fabric is subjected to hydrophobic treatment, and the fluorine-containing reagent can be sprayed or coated on the surface of the base fabric. In addition, the waterproof breathable layer can be arranged between two layers of base layer fabrics.
In the present invention, the ribbon fiber has micropores with a pore size distribution of 0.1 to 3 μm formed in the cross section of the waterproof breathable layer. Preferably, the ribbon type fiber forms micropores with a pore size distribution of 0.1 to 2.0 μm on the cross section of the waterproof and breathable layer. More preferably, the ribbon fiber forms micropores with a pore size distribution of 0.5 to 2.0 μm in the cross section of the waterproof and breathable layer. These micropores are much smaller than the diameter of the mist (20 μm) and much larger than the diameter of the water vapor (0.0004 μm), so that the water vapor can permeate, but the water cannot pass through due to the obstruction of the surface tension, and the effect of waterproof and ventilation is achieved.
In the present invention, ribbon-type fibers represent fibers having a cross-section of a fiber with a width significantly greater than a thickness, unlike conventional fibers having a circular cross-section. The ribbon fiber may have a thickness of 0.2 to 3 μm. Preferably, the ribbon fiber has a thickness of 0.5 to 2 μm. More preferably, the ribbon fiber has a thickness of 0.5 to 1.5 μm. The ribbon fiber may have a width of 2 to 25 μm. Preferably, the ribbon fiber has a width of 5 to 20 μm. More preferably, the ribbon fiber has a width of 10 to 15 μm. The ratio of the width to the thickness of the ribbon fiber is greater than 2. Preferably, the ratio of the width to the thickness of the ribbon fiber is greater than 4. More preferably, the ratio of the width to the thickness of the ribbon fiber is greater than 6. Thus, a proper amount of micropores can be formed among the ribbon fibers, and the air permeability and strength of the composite fabric are ensured.
In the present invention, the ribbon fiber may be selected from one or more of polypropylene fiber, polyethylene fiber, polyphenylene sulfide fiber. Preferably, the ribbon fiber is selected from one or more of polyethylene fiber and polyphenylene sulfide fiber. More preferably, the ribbon fiber is a polyethylene fiber. The fiber materials can ensure the air permeability and strength of the composite fabric.
The porosity of the waterproof and breathable layer of the present invention is 25 to 55%, preferably 30 to 50%, more preferably 40 to 50%. Thus, the air permeability and strength of the composite fabric can be ensured. The porosity refers to the ratio of the volume of micropores formed by the ribbon fibers superimposed on each other in the cross section of the waterproof and breathable layer to the volume of the waterproof and breathable layer.
The base fabric of the present invention may be a conventional garment fabric, for example, may be a woven or knitted fabric. The composite fabric is softer and can be directly contacted with human body.
The waterproof and breathable layer can be formed by compositing particles and ribbon fibers, or can be formed by ribbon fibers only. The waterproof breathable layer can be obtained by removing all or part of the particles in the waterproof breathable material composed of the particles and ribbon fibers. The composite fabric of the invention can also contain some particles. D of the particulate matter 90 Is 0.1 to 3. Mu.m, preferably 0.5 to 2. Mu.m. More preferably 1 to 2. Mu.m. Thus, the composite fabric has good air permeability and strength. The particulate matter in the present invention may be screened through a cyclone ion separation device or screen. D (D) 90 The particle size corresponding to the number of cumulative particle size distributions of the samples reaching 90% is shown.
The particulate matter of the present invention may be selected from organic particulate matter or inorganic particulate matter. The inorganic particulate matter may be titanium dioxide, silicon dioxide, aluminum oxide, silicate, carbonate. The silicate may be calcium silicate, magnesium silicate, potassium silicate or sodium silicate. The carbonate may be calcium carbonate or magnesium carbonate. The organic particulate matter can be polymethyl methacrylate, polyvinylpyrrolidone, polystyrene, polyethylene glycol, polydimethylsiloxane, polylactic acid-glycolic acid copolymer, and chitosan. Preferably, the particulate matter is at least one of silicate or carbonate. More preferably, the particulate matter is calcium carbonate.
< production method >
The production method of the composite fabric comprises the following steps: (1) a primary fiber forming step; (2) an attaching step; (3) a waterproof breathable material forming step; (4) a waterproof breathable layer forming step; (5) compounding step.
In step (1), a dope is first formed, and then the dope is formed into a nascent fiber. The spinning solution contains fiber-forming polymer and solvent. The fiber-forming polymer can be selected from one or more of polypropylene, polyethylene and polyphenylene sulfide, preferably polyphenylene sulfide or polyethylene, and more preferably polyethylene. According to one embodiment of the invention, the fiber-forming polymer is a linear polyethylene. These polymers are particularly suitable for forming ribbon fibers and are prone to forming voids. The solvent can be one or more of dichloromethane, dichloroethane, n-pentane, fluorodichloromethane, fluorotrichloromethane or n-hexane, preferably dichloromethane or dichloroethane. The concentration of the fiber-forming polymer in the spinning solution may be 5 to 25wt%, preferably 8 to 20wt%, more preferably 10 to 15wt%. According to a specific embodiment of the invention, the spinning solution is a methylene chloride solution with a linear polyethylene concentration of 5-25 wt%. This facilitates the attachment of particulate matter to the surface of the nascent fiber. The term "attached" in the present invention means that there is a large binding force between the two, and the particulate matter does not easily fall off from the surface of the ribbon fiber. The spinning solution is formed into a nascent fiber. The term "as-spun fiber" as used herein means a fiber state in which the spinning solution has not yet solidified into a molded fiber after being discharged from the spinneret. The nascent fibers of the invention may be prepared by flash evaporation or spun bonding, preferably by flash evaporation.
In the step (2), a solution containing particles is sprayed on the primary fiber to obtain the primary fiber with particles attached to the surface. The solution containing the particulate matter comprises the particulate matter, a surfactant and a solvent. D of the particulate matter 90 May be 0.1 to 3. Mu.m, preferably 0.5 to 2. Mu.m, more preferably 1 to 2. Mu.m. The particulate matter content of the solution may be 0.1 to 20wt%, preferably 0.5 to 5wt%, more preferably 0.5 to 2wt%. The composite fabric obtained in this way has good air permeability and strength.
The particulate matter of the present invention may be selected from organic particulate matter or inorganic particulate matter. The inorganic particulate matter may be titanium dioxide, silicon dioxide, aluminum oxide, silicate, carbonate. The silicate may be calcium silicate, magnesium silicate, potassium silicate or sodium silicate. The carbonate may be calcium carbonate or magnesium carbonate. The organic particulate matter can be polymethyl methacrylate, polyvinylpyrrolidone, polystyrene, polyethylene glycol, polydimethylsiloxane, polylactic acid-glycolic acid copolymer, and chitosan. Preferably, the particulate matter is at least one of silicate or carbonate. More preferably, the particulate matter is calcium carbonate. In this way, the particles can be both well attached to the nascent fibers and removed by specific treatments.
The surfactant in the invention can be selected from one or more of polyvinylpyrrolidone, polyethylene oxide, sodium dodecyl benzene sulfonate, sodium hepatobiliary acid, sodium stearyl sulfate, sodium stearate and quaternary ammonium salt. The quaternary ammonium salt can be alkyl trimethyl ammonium salt, dialkyl dimethyl ammonium salt and pyridinium salt. Preferably, the surfactant is selected from one or more of polyvinylpyrrolidone, polyethylene oxide, sodium dodecyl benzene sulfonate. According to a specific embodiment of the present invention, the surfactant is polyvinylpyrrolidone. The surfactant content in the solution may be 0.05 to 0.5wt%, preferably 0.05 to 0.3wt%, more preferably 0.05 to 0.2wt%. This facilitates the dispersion of the particulate matter and its attachment to the nascent fibers.
The solvent of the particulate matter-containing solution of the present invention is alcohol and/or water. Examples of alcohols include, but are not limited to, methanol, ethanol, propanol, or isopropanol. Preferably, the solvent of the solution containing the particulate matter is ethanol, water, or a mixed solution of ethanol and water, more preferably a mixed solution of ethanol and water. The volume ratio of ethanol to water in the ethanol-water mixture may be 1 to 0.01:100, preferably 1 to 0.1:10, more preferably 1 to 1:5. This facilitates the dispersion of the particulate matter and its attachment to the nascent fibers.
According to one embodiment of the invention, a solution containing particulate matter, which contains particulate matter, surfactant and solvent, is sprayed onto the nascent fibers in the form of an aerosol. Wherein the solvent is a mixed solution of ethanol and water, and the volume ratio of the ethanol to the water is 1-0.01:100; the particles are calcium carbonate, and the content of the particles in the solution is 0.1-20wt%; the surfactant is polyvinylpyrrolidone, and the content of the surfactant in the solution is 0.05-0.5 wt%.
In the step (3), the nascent fibers with the particles attached to the surfaces are collected to a lapping transfer device to form ribbon fibers, the ribbon fibers are overlapped with each other, and the particles and the ribbon fibers are staggered, so that micropores are formed among the ribbon fibers, and the waterproof breathable material is obtained. Specifically, the primary fibers with the particles attached to the surfaces are collected to a lapping transfer device to form ribbon fibers, meanwhile, the ribbon fibers are mutually overlapped on the lapping transfer device, and the particles and the ribbon fibers are staggered, so that a large number of micropores are formed among the ribbon fibers.
In the step (4), the particles in the waterproof breathable material are removed, and the waterproof breathable layer is obtained. Only part of the particles can be removed by the removal, and part of the particles still remain in the waterproof breathable layer; the particulate matter may also be removed entirely. According to one embodiment of the present invention, the waterproof and breathable material may be washed with water or an aqueous solution of a mineral acid to remove particulates. The aqueous solution of inorganic acid can be hydrochloric acid, sulfuric acid, or nitric acid. Preferably, the aqueous mineral acid is hydrochloric acid. The pH value of the hydrochloric acid can be 1-3; preferably 1 to 2; more preferably 1. Thus being beneficial to removing particles and ensuring the strength of the composite fabric. After the particles are removed from the ribbon fibers, part of holes still remain among the ribbon fibers, and new holes are formed after the particles are removed. After cleaning, the waterproof breathable layer is softer and is more suitable for being used as a garment material.
In the step (5), the waterproof breathable layer is compounded with the base layer to obtain the composite fabric. The waterproof breathable layer can be compounded with the base layer in a conventional manner to obtain the composite fabric. The modified composite fabric is softer and can be directly contacted with human body.
The base fabric can be used as a surface layer or an inner layer. In addition, the waterproof breathable layer can be arranged between two layers of base layer fabrics. When the base fabric is used as a surface layer, the surface of the base fabric needs to be subjected to hydrophobic treatment, so that the composite fabric is not easy to be soaked by water in the use process. In particular, fluorine-containing chemicals may be sprayed or coated onto the fabric to increase the hydrophobicity of the base fabric.
Example 1
Will D 90 Dispersing calcium carbonate particles with the size of 2 mu m in a mixed solution formed by ethanol and water, wherein the volume ratio of the ethanol to the water is 1:3, then adding polyvinylpyrrolidone, and carrying out ultrasonic dispersion to obtain a calcium carbonate particle solution with the content of calcium carbonate being 2wt% and the content of polyvinylpyrrolidone being 0.1 wt%.
The linear polyethylene was formed with methylene chloride into a spinning solution having a linear polyethylene concentration of 10 wt%. And forming the primary fiber by using a flash evaporation method to form an aerosol from a polyethylene spinning solution, spraying the aerosol onto the surface of the primary fiber, and forming the primary fiber attached with the calcium carbonate particles in a cooling process.
The primary fiber with the calcium carbonate particles attached was collected on a lapping transfer device to form a ribbon fiber (thickness 1.5 μm and width 15 μm). As shown in fig. 1, the ribbon fibers 21 are stacked on each other, and the particles 23 and the ribbon fibers 21 are staggered, so that the ribbon fibers 21 are fluffy distributed in the thickness direction of the nonwoven fabric, and micropores are formed between the ribbon fibers 21 on the cross section of the waterproof and breathable material.
The waterproof and breathable material is washed in hydrochloric acid with the pH value of 1 to remove calcium carbonate particles, then residual hydrochloric acid is washed out by water, and the waterproof and breathable layer is obtained by drying at 80 ℃. After the calcium carbonate particles are removed, a part of the pores remain and new pores are created, the pore size distribution of these pores being 0.1-2.5 μm.
And compounding the waterproof breathable layer with the base woven fabric to obtain the composite fabric. As shown in fig. 2, the base fabric 1 is a woven fabric, and is composed of weft yarns 11 and warp yarns 12. The waterproof and breathable layer 2 contains ribbon-type fibers 21 superimposed on each other, the ribbon-type fibers 21 are fluffy distributed in the thickness direction of the waterproof and breathable layer 2, and micropores of 0.1 to 2.5 μm are formed in the cross section of the waterproof and breathable layer 2, and these micropores form air flow passages 22 in the waterproof and breathable layer.
Example 2
Will D 90 Calcium carbonate particles of 2 μm are dispersed in a mixed solution formed by ethanol and water,the volume ratio of ethanol to water is 1:3, and then polyvinylpyrrolidone is added for ultrasonic dispersion to obtain a calcium carbonate particle solution with the content of calcium carbonate of 2 weight percent and the content of polyvinylpyrrolidone of 0.1 weight percent.
The linear polyethylene was formed with methylene chloride into a spinning solution having a linear polyethylene concentration of 10 wt%. And forming the primary fiber by using a flash evaporation method to form an aerosol from a polyethylene spinning solution, spraying the aerosol onto the surface of the primary fiber, and forming the primary fiber attached with the calcium carbonate particles in a cooling process.
The primary fiber with the calcium carbonate particles attached was collected on a lapping transfer device to form ribbon-type fiber (thickness of 2 μm and width of 9 μm). As shown in fig. 1, the ribbon fibers 21 are stacked on each other, and the particles 23 and the ribbon fibers 21 are staggered, so that the ribbon fibers 21 are fluffy distributed in the thickness direction of the nonwoven fabric, and micropores are formed between the ribbon fibers 21 on the cross section of the waterproof and breathable material.
The waterproof and breathable material is washed in hydrochloric acid with ph=1, part of the calcium carbonate particles are removed, and the residual part of the calcium carbonate particles are in the waterproof and breathable material. And then washing the mixture with water to remove residual hydrochloric acid, and drying the mixture at 80 ℃ to obtain the waterproof breathable layer. After removal of part of the calcium carbonate particles, part of the pores remain and new pores are created, the pore size distribution of these pores being 0.1-2.5 μm.
And a fluorine-containing chemical reagent is sprayed on the surface of the base fabric to increase the hydrophobicity of the surface of the base fabric. And then compounding the waterproof breathable layer with the base layer fabric to obtain the composite fabric. As shown in fig. 3, the base fabric 1 is a woven fabric, and is composed of weft yarns 11 and warp yarns 12. The waterproof and breathable layer 2 contains ribbon fibers 21 stacked on each other, particles 23 and the ribbon fibers 21 are staggered, the ribbon fibers 21 are fluffy distributed in the thickness direction of the waterproof and breathable layer 2, and micropores of 0.1-2.5 μm are formed in the cross section of the waterproof and breathable layer 2, and the micropores form air flow channels 22 in the waterproof and breathable layer.
Examples 3 to 5
Except for calcium carbonate particles D 90 And pore size distribution of micropores are shown in Table 1, the rest of the parametersThe same numbers as in example 1.
TABLE 1
Examples 6 to 8
The parameters were the same as in example 1 except that the thickness and width of the ribbon fiber were as shown in Table 2.
TABLE 2
| Numbering device | Example 6 | Example 7 | Example 8 |
| Thickness (μm) | 1.7 | 1 | 1.2 |
| Width (μm) | 20 | 18 | 15 |
Examples 9 to 11
The same parameters as in example 1 were followed except that the calcium carbonate content of the calcium carbonate particle solution was as shown in Table 3.
TABLE 3 Table 3
| Numbering device | Example 9 | Example 10 | Example 11 |
| Calcium carbonate content (wt%) | 1.5 | 1.0 | 0.5 |
Comparative example
The linear polyethylene was combined with methylene chloride to form a polyethylene dope having a linear polyethylene concentration of 10 wt%. And forming the primary fiber by using a flash evaporation method to deposit the primary fiber on a lapping transfer device to obtain the polyethylene non-woven fabric. The ribbon fibers in the polyethylene nonwoven fabric were superimposed on each other, and the ribbon fibers had a thickness of 2 μm and a width of 9. Mu.m. And compounding the polyethylene non-woven fabric with the base fabric woven fabric to obtain the composite fabric.
Experimental example
The composite fabrics obtained in the examples and the comparative examples were subjected to the maximum hydrostatic pressure test for gram weight, radial tensile strength, latitudinal tensile strength, tear strength, thickness, water vapor transmission amount, and bearable. The waterproof and breathable layer obtained in the above example and the polyethylene nonwoven fabric obtained in the comparative example were subjected to a porosity test. The test method is as follows:
gram weight: using GB/T24218.1-2009 for determination;
radial tensile strength: the measurement is carried out by using GB/T24218.3-2010;
tensile strength in weft direction: testing with GB/T24218.3-2010;
tear strength: testing with GB/T3917.3-2009;
thickness: determination was performed using EN 20534;
water vapor transmission amount: testing using ASTM F1249;
maximum hydrostatic pressure that can be sustained: testing was performed according to AATCC TM 127;
porosity: from the density of the waterproof breathable layer/nonwoven fabric and the density of the fiber raw material, the porosity= (fiber raw material density-waterproof breathable layer/nonwoven fabric density)/fiber raw material density is calculated;
the results obtained are shown in tables 4 and 5.
TABLE 4 Table 4
TABLE 5
The present invention is not limited to the above-described embodiments, and any modifications, improvements, substitutions, and the like, which may occur to those skilled in the art, fall within the scope of the present invention without departing from the spirit of the invention.
Claims (6)
1. The production method of the composite fabric is characterized by comprising the following steps of:
s1, forming a spinning solution into nascent fibers; the spinning solution is formed by polypropylene and a first solvent, wherein the first solvent is selected from one or more of dichloromethane, dichloroethane, n-pentane, fluorodichloromethane, fluorotrichloromethane or n-hexane;
s2, spraying a solution containing particles, polyvinylpyrrolidone and a second solvent on the nascent fibers in an aerosol form to obtain the surface-attached fiberA primary fiber having particulates adhered thereto; d of the particulate matter 90 0.1-3 [ mu ] m, wherein the content of the particles in the solution is 0.1-5 wt%;
s3, collecting the primary fiber with the particles attached to the surface to a lapping transfer device to form ribbon fiber; the ribbon fibers are mutually overlapped, and particles and the ribbon fibers are staggered, so that micropores are formed among the ribbon fibers, and a waterproof breathable material is obtained;
s4, removing the particles in the waterproof breathable material to obtain a waterproof breathable layer;
s5, compounding the waterproof breathable layer with a base layer fabric to obtain a composite fabric;
the waterproof breathable layer contains ribbon fibers which are overlapped with each other, the ribbon fibers are fluffy distributed in the thickness direction of the waterproof breathable layer, micropores with the pore diameter distribution of 0.1-3 mu m are formed on the section of the waterproof breathable layer, and the micropores form airflow channels in the waterproof breathable layer.
2. The production method according to claim 1, wherein in the step S1, the concentration of polypropylene in the spinning solution is 5wt% or more and 25wt% or less.
3. The production method according to claim 1, wherein in the step S2, the second solvent is a mixed solution of ethanol and water; and the volume ratio of water to ethanol in the second solvent is more than or equal to 100 and less than or equal to 10000.
4. The method of claim 1, wherein the ribbon fiber has a thickness of 0.2 μm or more and 3 μm or less and a width of 2 μm or more and 25 μm or less.
5. The production method according to claim 1, wherein the waterproof and breathable layer has a porosity of 40% or more and 50% or less.
6. The method according to claim 1, wherein in the step S5, the base fabric is a woven fabric or a knitted fabric.
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| CN209300328U (en) * | 2018-09-29 | 2019-08-27 | 厦门当盛新材料有限公司 | Windproof fabric and clothes |
| CN109367184A (en) * | 2018-11-23 | 2019-02-22 | 东莞市和域战士纳米科技有限公司 | A kind of vacuum nano plating Water-proof breathable fabric and its production technology |
| CN211165693U (en) * | 2019-11-22 | 2020-08-04 | 厦门当盛新材料有限公司 | Composite fabric |
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