CN110699843A - Yarn pressing plate - Google Patents
Yarn pressing plate Download PDFInfo
- Publication number
- CN110699843A CN110699843A CN201810744967.9A CN201810744967A CN110699843A CN 110699843 A CN110699843 A CN 110699843A CN 201810744967 A CN201810744967 A CN 201810744967A CN 110699843 A CN110699843 A CN 110699843A
- Authority
- CN
- China
- Prior art keywords
- yarn
- copper
- pressing plate
- layer
- based antibacterial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003825 pressing Methods 0.000 title claims abstract description 43
- 239000004744 fabric Substances 0.000 claims abstract description 127
- 238000009940 knitting Methods 0.000 claims abstract description 61
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 9
- 239000010935 stainless steel Substances 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 114
- 239000000463 material Substances 0.000 claims description 104
- 230000000844 anti-bacterial effect Effects 0.000 claims description 99
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 77
- 229910052802 copper Inorganic materials 0.000 claims description 77
- 239000010949 copper Substances 0.000 claims description 77
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 56
- 238000000034 method Methods 0.000 claims description 55
- 229910021389 graphene Inorganic materials 0.000 claims description 53
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 43
- 239000002994 raw material Substances 0.000 claims description 42
- 238000009941 weaving Methods 0.000 claims description 39
- 239000011248 coating agent Substances 0.000 claims description 32
- 238000000576 coating method Methods 0.000 claims description 32
- 239000003607 modifier Substances 0.000 claims description 32
- 238000006243 chemical reaction Methods 0.000 claims description 31
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- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 26
- 229920004933 Terylene® Polymers 0.000 claims description 23
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 21
- 239000000835 fiber Substances 0.000 claims description 21
- 229910052731 fluorine Inorganic materials 0.000 claims description 21
- 239000011737 fluorine Substances 0.000 claims description 21
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 claims description 20
- 239000007789 gas Substances 0.000 claims description 20
- 239000001301 oxygen Substances 0.000 claims description 19
- 229910052760 oxygen Inorganic materials 0.000 claims description 19
- 238000002360 preparation method Methods 0.000 claims description 19
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 16
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 claims description 16
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 16
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- 238000001816 cooling Methods 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 10
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 10
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
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- 239000012943 hotmelt Substances 0.000 claims description 4
- 238000002074 melt spinning Methods 0.000 claims description 4
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 18
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 18
- 230000000694 effects Effects 0.000 description 18
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 17
- 229910000323 aluminium silicate Inorganic materials 0.000 description 16
- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical compound OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 description 15
- 239000011259 mixed solution Substances 0.000 description 15
- 235000002949 phytic acid Nutrition 0.000 description 15
- 239000011258 core-shell material Substances 0.000 description 14
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 12
- 230000000149 penetrating effect Effects 0.000 description 12
- 229920001661 Chitosan Polymers 0.000 description 11
- 230000003647 oxidation Effects 0.000 description 11
- 238000007254 oxidation reaction Methods 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 9
- IMQLKJBTEOYOSI-UHFFFAOYSA-N Phytic acid Natural products OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O IMQLKJBTEOYOSI-UHFFFAOYSA-N 0.000 description 9
- 238000003763 carbonization Methods 0.000 description 9
- 150000001879 copper Chemical class 0.000 description 9
- 238000004132 cross linking Methods 0.000 description 9
- 239000000467 phytic acid Substances 0.000 description 9
- 229940068041 phytic acid Drugs 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 229920002334 Spandex Polymers 0.000 description 8
- 239000002253 acid Substances 0.000 description 8
- 230000002378 acidificating effect Effects 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000001913 cellulose Substances 0.000 description 8
- 229920002678 cellulose Polymers 0.000 description 8
- 238000002955 isolation Methods 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000011148 porous material Substances 0.000 description 8
- 230000004224 protection Effects 0.000 description 8
- 239000004759 spandex Substances 0.000 description 8
- 230000007613 environmental effect Effects 0.000 description 7
- 230000001590 oxidative effect Effects 0.000 description 7
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 6
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 239000005038 ethylene vinyl acetate Substances 0.000 description 6
- 229910002804 graphite Inorganic materials 0.000 description 6
- 239000010439 graphite Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910017604 nitric acid Inorganic materials 0.000 description 6
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 238000004880 explosion Methods 0.000 description 5
- 238000005187 foaming Methods 0.000 description 5
- -1 graphite alkene Chemical class 0.000 description 5
- 239000004005 microsphere Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000020477 pH reduction Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229920004934 Dacron® Polymers 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 4
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000012792 core layer Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 125000003700 epoxy group Chemical group 0.000 description 4
- 239000012467 final product Substances 0.000 description 4
- 230000002209 hydrophobic effect Effects 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 229920001778 nylon Polymers 0.000 description 4
- 229920001542 oligosaccharide Polymers 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 238000002791 soaking Methods 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 229920000469 amphiphilic block copolymer Polymers 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
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- 238000009998 heat setting Methods 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 238000000703 high-speed centrifugation Methods 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 230000008520 organization Effects 0.000 description 3
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- 239000002356 single layer Substances 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 238000001291 vacuum drying Methods 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 2
- 241000238557 Decapoda Species 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 238000001237 Raman spectrum Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 241000191967 Staphylococcus aureus Species 0.000 description 2
- 238000003917 TEM image Methods 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 230000003115 biocidal effect Effects 0.000 description 2
- 229920001400 block copolymer Polymers 0.000 description 2
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
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- 239000011247 coating layer Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910001431 copper ion Inorganic materials 0.000 description 2
- 238000005536 corrosion prevention Methods 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
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- 125000006850 spacer group Chemical group 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 229910021642 ultra pure water Inorganic materials 0.000 description 2
- 239000012498 ultrapure water Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical group OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 210000001520 comb Anatomy 0.000 description 1
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Images
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
- D04B27/10—Devices for supplying, feeding, or guiding threads to needles
- D04B27/24—Thread guide bar assemblies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Woven Fabrics (AREA)
Abstract
The invention relates to a yarn pressing plate which is made of stainless steel; the shape of the utility model is an imitated cuboid; wherein the length is about 2.5-3.5 m, the width is 2-20 cm, and the thickness is 0.1-2 cm. The cross section of the triangular plate is formed by combining a rectangle and a triangle, and the wide side of the rectangle is superposed with one side of the triangle; the yarn pressing plate is connected with the main shaft through a swing arm, and a crankshaft of the warp knitting machine is connected with the main shaft through a connecting rod; the presser bar is disposed at the middle position of the guide bar, and for a seven bar warp knitting machine, it is disposed at the position of the fifth guide bar. The warp knitted fabric has the advantages that the seven guide bars are matched and knitted into the warp knitted fabric, the warp knitted fabric has three-dimensional sense of jacquard exchange positions at the front and the back of any position, the perspective sense is very strong, the air permeability is excellent, the style is unique, and the warp knitted fabric is a novel jacquard mesh fabric; the screen cloth that the yarn was woven is pressed to press yarn board of this application's stereoeffect is better.
Description
Technical Field
The invention relates to the technical field of mesh fabric production, in particular to a yarn pressing plate for mesh fabric production.
Background
Chinese patent application No. 201710970845.7 relates to a mesh cloth reinforcement method, which is characterized in that unfoamed EVA particles are embedded into meshes of a mesh cloth, and the EVA particles are fixed in the mesh cloth through hot foaming or hot pressing to reinforce the mesh cloth. Different from the prior art, the mesh cloth is reinforced through foamed or hot-pressed EVA particles, the EVA is a polymer of ethylene vinyl acetate, the heat resistance, weather resistance, hardness, tensile force, elasticity and the like of the mesh cloth are improved by utilizing the characteristics of the ethylene vinyl acetate, and the method is high in reinforcing speed, remarkable in effect and stable in reinforcing. Mesh reinforcement with different strengths can be carried out on different parts of the sports shoe fabric according to requirements, so that different parts of the sports shoe fabric are different in tension and control force, and the application range of the mesh is widened.
Chinese patent application number 201720913400.0 relates to a screen cloth is got and is put tool, and its technical scheme main points are including the mounting bracket that is used for connecting the manipulator, one side of mounting bracket is provided with the mechanism of getting that glues that is used for bonding the screen cloth, the opposite side bottom of mounting bracket is provided with the clamp that is used for centre gripping screen cloth bottom and puts the mechanism, and this application has stable realization to getting of screen cloth and the effect of putting.
Chinese patent application No. 201720903925.6 relates to a warp-knitted net fabric, which comprises warp-knitted threads, high stretch threads and knotting threads, wherein a plurality of sections of warp-knitted threads are knitted on a plurality of sections of high stretch threads, one section of warp-knitted threads is knitted on four adjacent sections of high stretch threads, and transverse and longitudinal interlaced winding points formed by knitting the warp-knitted threads and the high stretch threads are respectively a first knitting thread knot and a second knitting thread knot. The warp knitting yarns are woven and wound on the high elastic yarns, so that the warp knitting mesh fabric is ensured to have certain elastic expansion performance on the premise of meeting the requirement of air permeability; weaving two adjacent sections of warp knitting yarns in a high-low staggered manner, forming dislocation on the side edges of two adjacent knitting coils, and forming dislocation joints by mutually staggered and winding two adjacent dislocation edges so that the whole warp knitting net cloth is tightly woven to form a whole; meanwhile, the interlaced and wound knotting lines are inserted in the warp knitting lines, so that the tightness of the warp knitting net cloth tissues is enhanced, and meanwhile, the elastic expansion performance of the warp knitting net cloth is improved due to the high elastic energy of the knotting lines, and the cloth is prevented from being torn randomly when being pulled.
Chinese patent application No. 201720327751.3 relates to a filter screen cloth, aim at providing one kind and can slow down the fluid flow velocity, the structure sets up stably, and the filter screen cloth that the filter effect is good, its technical scheme main points are that the filter screen cloth body includes the upper filter layer, lower filter layer and arrange the aquifer between upper filter layer and the lower filter layer in, the aquifer includes first aquifer and second aquifer, first aquifer and second aquifer interconnect, first aquifer and second aquifer all are the waviness, be formed with the impoundment district between first aquifer and the second aquifer, be formed with the holding area between first aquifer and the upper filter layer, be formed with the holding area between second aquifer and the lower filter layer, the longitudinal section in impoundment district is similar square structure, the longitudinal section in holding area is similar triangle-shaped structure, this application is applicable to filter screen cloth technical field.
Chinese patent application No. 201720173688.2 relates to a four comb screen cloth, including: a first layer, a second layer, a third layer and a fourth layer woven by yarns in a warp knitting manner, wherein the first layer and the second layer are both woven by 3 combs of 40D filaments, the third layer and the fourth layer are both woven by 1 comb of 140D spandex, the tissue record of the first layer is (2-1-2-3, 2-3-2-1), the tissue record of the second layer is (1-2-3-2, 3-2-1-2), the tissue record of the third layer is (1-0-1-0, 0-1-0-1), the tissue record of the fourth layer is (0-1-0-1,1-0-1-0), the longitudinal and transverse density ratio of the four-layer mesh fabric of the structure is reasonable, the whole structure is compact, in addition, the first layer and the second layer adopt filaments, so that the thermal stability is good, the third layer and the fourth layer adopt spandex, so that good elasticity is provided, and the shape retention is good.
The Chinese patent application number 201710611383.X relates to a spring 3D mesh composite mattress, which comprises a bottom layer and a surface layer, wherein the bottom layer is a spring layer, the surface layer is a 3D mesh layer, and the spring layer is fixedly connected with the 3D mesh layer through screws; the 3D mesh fabric layer is composed of a plurality of 3D mesh fabrics, and each 3D mesh fabric is formed by hot-pressing through hot melt adhesive; warp knitting interval screen cloth jacket layer divide into upper strata and lower floor, and wherein lower floor and bottom cooperate, and fix on the lower surface of bottom through the hot melt adhesive. The upper layer and the lower layer are opened and closed by a zipper. When the cleaning is needed, only the upper layer of the warp-knitted spacer mesh cloth jacket layer is cleaned. The utility model provides a compound mattress configuration warp knitting interval screen cloth nexine has easily to wash, resistant dirty and ventilation function as the safety cover of compound mattress.
Chinese patent application No. 201711248663.5 relates to a production process of an antibacterial silver ion mesh cloth, which comprises the following steps: the method comprises the following steps: preparing ultrapure water with the resistance value of 7-15M omega cm; step two: soaking the mesh in ultrapure water for one minute; step three: preparing a silver ion solution with the silver content of 99.8%; step four: spraying the silver ion solution on the surface of the mesh cloth processed in the step two by using spraying equipment, so that the surface of the mesh cloth is completely covered by silver; step five: and (4) heating the mesh processed in the fourth step by infrared rays to 80-150 ℃, and baking for 20 minutes to obtain the silver ion mesh.
Chinese patent application No. 201711307425.7 relates to a weaving process of ventilative sandwich screen cloth, sandwich screen cloth adopts the integrative weaving of circular knitting machine, this sandwich screen cloth includes the surface course, the bottom and be used for connecting the monofilament of surface course and bottom, the in-process of weaving of sandwich screen cloth, the surface course is woven to the cylinder that adopts the circular knitting machine, the bottom is woven to the dial that adopts the circular knitting machine, shift the partial coil of surface course to the bottom and form the mesh in the position that the coil shifted, weave the monofilament on surface course and bottom through the mode of knitting that the tuck is drawn together, the surface course passes through monofilament complex connection with the bottom and is in the same place. Adopt the technical scheme of this application, weave the sandwich net through circular knitting machine an organic whole, can utilize the characteristics of circular knitting machine to enrich the variety of sandwich screen cloth, guarantee the stability of product, weave the in-process, form the mesh on surface course and/or bottom through the mode that the coil shifted to promote sandwich screen cloth's air permeability.
Chinese patent application No. 201720903924.1 relates to a high elasticity warp knitting net cloth, including warp knitting thread and warp knitting slash, the warp knitting thread is vertical direction and arranges, and all around being equipped with 8 word nodes on every warp knitting thread, is provided with an O type node between two adjacent 8 byte points, and the junction of two corresponding warp knitting slashes is all around being equipped with a central node, and it has the polyester fiber line to alternate between two adjacent O type nodes, and the polyester fiber line all passes the central node that corresponds, and it has a high elasticity line all to alternate between the central node that is vertical direction and distributes. This high elasticity warp knitting screen cloth through changing the shape of traditional net wiring and line between the connected node, with the reasonable structure that adds net wiring of adding of high elasticity elastic line and polyester fiber line for the screen cloth structure is inseparabler, has increased its elastic capacity, makes it can bear great pulling force, compares current screen cloth comparison, and this screen cloth is difficult more pulled the damage.
Chinese patent application No. 201720903936.4 relates to a tetrahedral mesh cloth, which comprises a mesh cloth body, the mesh cloth body comprises a longitudinal connecting line, the longitudinal connecting line comprises a bottom line segment, two ends of the bottom line segment are respectively connected with one ends of two groups of first coils, the other ends of the two groups of first coils are respectively connected with one ends of two groups of waist line segments, the other ends of the two groups of waist line segments are respectively connected with two groups of second coils, the first coil and the second coil are both inserted with the transverse connecting wire, and the mesh fabric structure is more stable and firmer through the close winding of the first coil, the second coil and the transverse connecting wire, through the angle setting between bottom line segment and two sets of waist line segments, make the screen cloth surface form wavy structure, have elasticity and buffer function, solved among the prior art screen cloth insecure with do not have elastic problem.
Chinese patent application number 201720328023.4 relates to a high strength filter screen cloth, aim at providing a structural strength height, the filter screen cloth that the filter effect is good, its technical scheme main points are that the filter screen cloth body includes a plurality of warps and a plurality of weft, each warp all includes first net twine and second net twine with each weft, be equipped with first crystalline substance on each warp's length direction's the both ends, be equipped with the second crystalline substance on each weft length direction's the both ends, warp's length direction's both ends all are equipped with and are used for fixed first borduring, first crystalline substance is arranged in first borduring, each weft's length direction's both ends all are equipped with and are used for fixed second borduring, the second crystalline substance is arranged in the second bordured, second bordures and is passed through the connecting wire and is made up with the filter screen cloth body and is connected, this application.
Chinese patent application No. 201721398357.5 relates to a screen cloth is pressed from both sides to PVC coating belongs to and presss from both sides screen cloth technical field, including the base cloth layer, the upper surface on base cloth layer is equipped with first dacron layer, the upper surface on first dacron layer is equipped with first PVC resin foaming layer, the upper surface on first PVC resin foaming layer is equipped with first UV coating, be equipped with first knurling layer on the first UV coating, the lower surface on base cloth layer is equipped with second dacron layer, the lower surface on second dacron layer is equipped with second PVC resin foaming layer, the lower surface on second PVC resin foaming layer is equipped with second UV coating, be equipped with second knurling layer on the second UV coating. This application improves the bulk strength of this double-layered net cloth greatly, and it has good light fastness, wearability and antistatic ability, has increased the light fastness and the ultraviolet resistance ability of double-layered net cloth simultaneously to increase the life who presss from both sides the screen cloth.
Chinese patent application No. 201810060197.6 relates to a screen cloth, provides a novel 3D screen cloth for shellproof clothing, solves the used cloth of current shellproof clothing and wears uncomfortable, prevents the relatively poor defect of performance of non-penetrability damage, including nexine, the shellproof cloth layer in top layer and set up the support component between the two, be equipped with the kinetic energy absorbed layer on the shellproof cloth layer in top layer, the kinetic energy absorbed layer upper surface is equipped with the buffer layer, the shellproof cloth layer in top layer is woven by high performance textile fiber and is formed, the support component is woven for the polyester monofilament and forms.
Chinese patent application No. 201810049198.0 relates to the technical field of textile production, and provides a sandwich mesh cloth for composite plates, which can be compounded with plates, is high temperature resistant, effectively enhances the strength, impact resistance and shear stress resistance of the plates, and consists of a surface layer, a bottom layer and a supporting yarn connected between the surface layer and the bottom layer; the surface layer, the bottom layer and the supporting yarns are woven into three-dimensional sandwich mesh cloth in a warp knitting mode; the surface layer is woven by heat-resistant spandex fibers and carbon fibers into a mutually parallel structure; the bottom layer is woven into a mutually parallel structure by heat-resistant spandex fibers and polyester fibers; the supporting yarn is heat-resistant spandex fiber woven monofilament. 1
Chinese patent application No. 201711234928.6 relates to a mixed color knitting process for jacquard cloth with double jacquard, which is integrally knitted by a double-needle bar double jacquard warp knitting machine, the double-needle bar double jacquard warp knitting machine comprises a front needle bar, a back needle bar and guide bars, the guide bars comprise ground guide bars GB1, GB2, GB5, GB6 and jacquard weave bars JB1, JB2, one of the ground guide bars of each guide bar selects nylon low stretch yarn or cation low stretch yarn or one of the jacquard weave bars selects polyester low stretch yarn, the other guide bars select respectively polyester low stretch yarn, nylon semi-gloss yarn and cation low stretch yarn, through the doubling of polyester low stretch yarn and nylon semi-gloss yarn and the doubling of polyester low stretch yarn and cation low stretch yarn, the grey cloth is tightly knitted with the back face without gaps, the double jacquard cloth with better mixed color effect is knitted, the color is richer, and the problem of foamed jacquard cloth is solved, Uneven through holes, exposed threads in the holes, low physical property, lower supporting force and the like, and greatly improves the product quality.
Chinese patent application No. 201720173681.0 relates to a novel three comb screen cloth, including: a first layer, a second layer and a third layer woven from yarns in a warp knitting manner, the first layer and the second layer each woven from 3-combs of 40D filaments, the third layer woven from 2-combs of 40D spandex, wherein the texture records of the first layer include (1-3-1-3, 3-1-3-1) and (3-5-3-5,5-3-5-3) spaced apart from each other, the texture records of the second layer include (3-5-3-5,5-3-5-3) and (1-3-1-3, 3-1-3-1) spaced apart from each other, the texture records of the third layer include (1-2-1-2, 2-1-2-1) and (1-1-1-1,1-1-1-1), the four layers of mesh cloth of the weave structure has reasonable longitudinal and transverse density ratio and compact integral structure, in addition, the first layer and the second layer adopt filaments and have good thermal stability, and the third layer adopts spandex and provides good elasticity and shape retention.
Chinese patent application No. 201720903920.3 relates to a double-deck warp knitting net cloth of strengthening, including the main line of weaving, the annular is equipped with around the knot on the main line of treating, around the knot intercrossing on two adjacent main lines of weaving cup joints, and transversely run through on the knot and be fixed with the reinforced line, it is divided into to weave cloth and weave down to weave, and the intermediate layer between them is equipped with the fibre cloth layer, be equipped with the mesh on the fibre cloth layer, should weave on and be equipped with the fixed wire loop on the corresponding knot of weaving between weaving down, the fixed wire loop runs through and passes the mesh, fix the last cloth of upper and lower. This application structure is through being in the same place each main line cluster of weaving around the festival to with the cross-fixing have the enhancement line on the festival, improve each joint strength who weaves between the line, the bilayer is provided with simultaneously and weaves down, and adds the fibre cloth layer between this two-layer is weaved, improves the stability between two-layer is weaved, weaves about fixed through the fixed wire ring simultaneously, guarantees the integrality of whole warp knitting net cloth, thereby improves the intensity of screen cloth.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a yarn pressing plate.
The purpose of the invention is realized by the following technical scheme:
a yarn pressing plate is made of stainless steel.
A yarn pressing plate is shaped like a cuboid; wherein, the length is about 2.5 to-3.5 meters, the width is 2 to 20 centimeters, and the thickness is 0.1 to 2 centimeters. The preferred technical scheme is that the length is about 3.5 meters, the width is 12 centimeters, and the thickness is 1 centimeter.
A yarn pressing plate is formed by combining a rectangle and a triangle in cross section, and the wide side of the rectangle is superposed with one side of the triangle, as shown in figure 2.
The yarn pressing plate is connected with the main shaft through a swing arm, and a crankshaft of the warp knitting machine is connected with the main shaft through a connecting rod; as shown in fig. 1.
The yarn pressing plate is arranged at the middle position of the guide bar, and the seven-guide-bar warp knitting machine is arranged at the position of the fifth guide bar; as shown in fig. 3.
The stainless steel is provided with the environmental protection functional coating which has the function of prolonging the service life.
An environment-friendly functional coating comprises the following raw materials in percentage by mass:
a preparation method of an environment-friendly functional coating comprises the following specific steps:
(1) preparing a graphene oxide modifier:
carrying out ultrasonic dispersion on an aqueous solution of graphene oxide and an aqueous solution of barium nitrate to obtain a graphene oxide modifier containing barium ions; controlling the molar ratio of the graphene oxide to the barium nitrate to be 1:1-1: 2;
the step utilizes the characteristic of small size of the graphene, so that the graphene can be filled into micro-pores and defects of the coating, the micromolecule corrosion medium is prevented and delayed from being immersed into a metal matrix to a certain extent, the physical isolation effect of the coating is enhanced, and the corrosion resistance of the coating is enhanced; meanwhile, the graphene is of a layered structure and is an extremely thin lamellar structure, the graphene can be stacked in a coating layer by layer to form a compact physical isolation layer, and micromolecule corrosive media are difficult to pass through the compact physical isolation layer, so that the anticorrosive coating containing the graphene has a very strong physical isolation effect. The other improvement point of the application is that hydroxyl, carboxyl and epoxy groups carried by graphene oxide are combined with barium ions which are uniformly dispersed in a solution, the graphene oxide and the barium ions are subjected to a complexing reaction to obtain a modifier, the barium ions are used for improving the wear resistance of the material, and the barium ions are coated on the surface of metal to protect the metal from corrosion, so that the service life of a final product is prolonged; the hydroxyl, carboxyl and epoxy groups contained in the graphene oxide of the present application utilize a subsequent crosslinking reaction, rather than a difficult crosslinking reaction of graphene itself with other media. The modification process of the graphene is saved.
(2) Preparation of fluorine-containing silane modifier:
performing ultrasonic dispersion on trifluoroacetic acid and 3-aminopropyltriethoxysilane to obtain a fluorine-containing silane modifier; controlling the molar ratio of trifluoroacetic acid to 3-aminopropyltriethoxysilane to be 4:1-2: 1;
in the step, trifluoroacetic acid and 3-aminopropyltriethoxysilane are subjected to mixed reaction to complete the addition of the fluorine-containing functional material, complete the fixing function of the fluorine-containing functional material and improve the oleophobic function of the material surface, and the addition of the silane material is beneficial to the realization of the hydrophobic function and realizes the dual functions of hydrophobic and oleophobic; meanwhile, the low surface energy function of the fluorine functional material is utilized to realize the wear-resistant function of the material, so that the hydrophobic, oleophobic and wear-resistant functions are achieved, and the purpose of prolonging the service life of a final product is finally achieved;
(3) preparing an environment-friendly functional coating:
carrying out crosslinking reaction on a graphene oxide modifier, a fluorine-containing silane modifier, oligomeric chitosan, core-shell mesoporous aluminosilicate, trimethoxy silane and ethanol for 10-20 hours to obtain the environment-friendly functional coating.
The oligochitosan contains a large amount of positive charge cationic basic amino-oligosaccharide, can be crosslinked with a graphene oxide modifier, can also be crosslinked with a fluorine-containing silane modifier, and can also be crosslinked with trimethoxy silane, so that the oligochitosan is easily dissolved in water and alcohol solution, is a micromolecule oligosaccharide with amino, which is degraded from chitosan of shrimp and crab shells, is a sugar chain with the polymerization degree of 2-20, and has the characteristics of pure nature, no radiation, no pollution, no addition and the like. And when the material is added into a coating to act as a cross-linking agent, the material is very ideal. Has the functions of health and environmental protection.
The core-shell mesoporous aluminosilicate is a microsphere structure, the microsphere has a regular spherical shape, a superparamagnetic inner core protected by dense silicon dioxide, a highly open single-layer ordered mesoporous aluminosilicate shell and regularly arranged pore channels, the pore wall has high-density acidic active sites, and the pore diameter is large, so that the core-shell mesoporous aluminosilicate is easy to perform crosslinking reaction with groups in a graphene oxide modifier, a fluorine-containing silane modifier and oligomeric chitosan, is a silicate material, is also very easy to crosslink with trimethoxy silane, and has good compatibility. In addition, due to the microporous structure of the core-shell mesoporous aluminosilicate, an isolating layer is formed on the surface of the metal, so that the core-shell mesoporous aluminosilicate has the functions of isolating external oil stains and other materials and performing corrosion prevention and environmental protection.
Core-shell mesoporous aluminosilicate: (1) by a stober method, ferroferric oxide is dispersed in ethanol, and then TEOS and ammonia water are added to prepare the ferroferric oxide @ silicon dioxide composite material; the preparation method comprises the following steps of (1) taking amphoteric block copolymer polystyrene-b-poly-4-vinylpyridine (Ps-b-P4VP) as a guiding agent, adding aluminum hydroxide and TEOS (tetraethyl orthosilicate) for reaction to prepare ferroferric oxide @ silica-Ps-b-P4 VP/aluminum hydroxide/silica; and finally, calcining to remove the amphiphilic block copolymer Ps-b-P4VP to obtain the core-shell mesoporous aluminosilicate.
A knitting method of a jacquard fabric of a yarn pressing plate adopts seven guide bars to be matched and knitted into a warp knitting fabric; the specific weaving method comprises the following steps:
the jacquard guide bars JB1.1 and JB1.2 can exchange pad yarns at the bottom layer of the surface layer to form loops, the jacquard guide bars JB2.1 and JB2.2 can exchange pad yarns at the bottom layer of the surface layer to form loops, and the yarn pressing plate is positioned between the JB2.2 and GB3 to press yarns on the jacquard guide bars; GB3, GB4 knit loops in the ground layer and bar GB5 knit the backing weave in the ground layer. Seven guide bars are matched and woven into warp knitting fabric, the warp knitting fabric has three-dimensional sense of jacquard exchange positions at the front and the back of any position, the perspective sense is very strong, the air permeability is excellent, the style is unique, and the warp knitting fabric is a novel shoe material fabric. JB1.1, JB1.2, JB2.1, JB2.2 can be woven into both top and bottom layers, while GB3, GB4, GB5 can be woven into only the bottom layer.
The yarn laying organization and the yarn threading mode of each guide bar are as follows:
(1) the yarn laying weave of the guide bar JB1.1 is as follows: 0-1/3-2//;
the yarn laying weave of the guide bar JB1.2 is as follows: 0-1/3-2//;
the threading mode of the guide bars JB1.1 and JB1.2 is as follows: fully penetrating;
(2) the yarn laying weave of the guide bar JB2.1 is as follows: 0-1/3-2//;
the yarn laying weave of the guide bar JB2.2 is as follows: 0-1/3-2//;
the threading mode of the guide bars JB2.1 and JB2.2 is as follows: full puncture
(3) The yarn pressing plate presses yarn during looping by jacquard each time, so that the fabric is concave-convex, and the local thickness of the fabric is improved;
(4) the laying weave of the guide bar GB3 is: 1-0/0-1//;
the threading mode of the guide bar GB3 is as follows: fully penetrating;
(5) the laying weave of the guide bar GB4 is: 1-0/0-1//;
the threading mode of the guide bar GB4 is as follows: fully penetrating;
(6) the laying weave of the guide bar GB5 is: 1-1/0-0//;
the threading mode of the guide bar GB5 is as follows: fully penetrating;
the weaving raw materials used by each guide bar are as follows:
the weaving raw materials used by the guide bars J B1.1.1, J B1.2.2 are: 450D terylene low stretch yarn;
the weaving raw materials used by the guide bars J B2.1.1, J B2.2.2 are: 300D terylene low stretch yarn;
the weaving raw materials used by the guide bar GB3 are as follows: 0.10mm terylene folding-resistant monofilament;
the weaving raw materials used by the guide bar GB4 are as follows: 0.10mm terylene folding-resistant monofilament;
the weaving raw materials used by the guide bar GB5 are as follows: 0.10mm terylene folding-resistant monofilament.
The preparation method of the polyester low stretch yarn comprises the following steps:
mixing copper series antibacterial functional master batches and PET slices, and then carrying out hot melt spinning, wherein the mass ratio of the copper series antibacterial functional master batches to the PET slices is 4: 96; cooling by circular blowing, oiling, drafting and winding to obtain the antibacterial polyester fiber;
the specific spinning process comprises the following steps: the winding speed is 3500-4500 m/min, the circular blowing air speed is 0.25-0.5 m/min, the length of a circular blowing air cylinder is 110-185 cm, and the stretching multiple is 1.6-2.1 times;
the method comprises the following steps of (1) taking antibacterial polyester fibers as raw materials, adopting a DTY (draw texturing yarn) elasticizing method, and preparing the required polyester low-stretch yarns through a pre-network nozzle, a first roller, a deformation hot box, a cooling plate, a false twister, a second roller, a main network nozzle, an auxiliary second roller, a setting hot box, a third roller, a oiling wheel and winding forming;
the DTY texturing process comprises the following specific processes: the processing speed is 480-710 m/min, the stretching multiple is 1.6-1.76 times, the deformation temperature is 175-195 ℃, the heat setting temperature is 150-170 ℃, the D/Y value of the surface linear velocity of the friction disc and the speed of the strand silk leaving the false twister is 1.90-1.95, and the network degree is 110-140/m;
the polyester low stretch yarn has excellent three-dimensional curling performance and heat retention performance; the polyester low-stretch yarn is widely applied to warp-knitted spacer fabrics, particularly mesh fabrics, can keep excellent thermal insulation performance on the basis of keeping excellent elasticity by taking the polyester low-stretch yarn as the elasticity between spandex and nylon, can be endowed with excellent health care function by adding the antibacterial functional particles in fibers, has a synergistic thermal insulation effect, and has wide application prospects in the technical fields of mesh fabrics and the like.
The single number of the terylene low stretch yarn is 200-500D.
The preparation method of the copper series antibacterial functional master batch comprises the following specific steps:
(1) pretreatment of copper-based antibacterial material
Taking reed rods, stripping to obtain a reed straw core layer material, carrying out acid washing on the reed straw core, then carrying out alkali washing pretreatment, and then cleaning with clear water for three times to obtain a pretreatment substance for preparing the copper-based antibacterial material;
the acid pickling process of the reed straw core is to soak the reed straw core in a strong oxidizing acidic mixed solution at the temperature of 80-90 ℃ for 3-6 hours;
the strong oxidizing acidic mixed solution is a mixed solution of nitric acid and hydrogen peroxide, wherein the mass fraction of the nitric acid solution is 10-15%, and the mass fraction of the hydrogen peroxide solution is 10-15%;
the strong oxidizing acid solution is adopted for acidification and activation treatment, so that the cellulose can be fully acidified and activated, and simultaneously, the metal ions can be completely invaded out of the cellulose, and the impurity removal of the metal ions is ensured;
the alkaline process of the reed straw cores comprises the steps of soaking the reed straw cores treated by the acidification process in an alkaline alcohol solution at the temperature of 80-90 ℃ for 3-6 hours;
the alkaline alcohol solution is a mixed solution of isopropanol of potassium hydroxide, wherein the molar ratio of the potassium hydroxide to the isopropanol is 1: 05-1: 25;
the reed straw which is a biomass cellulose material has high fiber content and is widely used for cellulose or papermaking pulp at present; the core material in the reed straw is high-content cellulose, the carbon element content is rich, the core material is a thin layer material, and the thickness between each layer is in a micron level, so that after post carbonization, a graphite layer can be well carbonized and peeled; meanwhile, the cellulose material in the reed straw is acidified, so that the surface of the cellulose material can be fully activated, other heavy metal ions in cellulose are removed, and meanwhile, the alkaline solution is used for removing impurities, so that the content of metal ions in the reed straw is reduced, and the problems of catalytic inactivation and the like in the carbonization and graphitization processes in the later period are solved.
(2) Preparation of intermediate treatment product of copper-based antibacterial material:
taking the pretreated substance of the copper antibacterial material in the step (1) as a raw material, taking a mixed solution of phytic acid and copper phytate as a functional treatment solution, and carrying out functional load reaction under strong stirring, wherein the temperature of the functional load reaction is 85-90 ℃, and the time of the functional load reaction is 24-36 h; after the functional load, carrying out ultra-high speed centrifugation to obtain centrifugal precipitate, and carrying out vacuum drying treatment on the centrifugal precipitate at the temperature of 80 ℃ to obtain an intermediate treatment substance of the copper-based antibacterial material;
the mass fraction of the phytic acid in the functional treatment liquid is 2-5%;
the mass fraction of the copper phytate in the functional treatment liquid is 1-3%;
the phytic acid serving as an organic acid has a six-membered ring structure, and meanwhile, the phosphoric acid structure of the phytic acid can achieve good effects of acidification and catalytic carbonization on lignocellulose and is also a main catalyst for preparing graphene at present; through the structure of cooperation phytic copper, utilize the adsorption of activated reed straw core, through phytic acid and the adhesion effect of matter acid copper after the absorption, thereby do benefit to the catalytic carbonization and the graphitization effect of reed straw core, and copper-containing ion has excellent antibiotic effect after the carbonization effect of high temperature, thereby play and both can catalytic carbonization and obtain graphite alkene, can also obtain the copper ion of antibiotic function at graphite alkene surface load simultaneously, thereby further reinforcing material's antibacterial property.
(3) Preparing a modified substance of the copper-based antibacterial material:
taking the intermediate treatment product of the copper-based antibacterial material prepared in the step (3) as a raw material, and carrying out oxidation treatment for 10-20 h in an oxidation atmosphere with the oxidation temperature of 185-200 ℃, the volume fraction of oxygen of 10-15% and the volume fraction of ozone of 1-1.5%; then carrying out carbonization treatment in a helium atmosphere at 500-600 ℃ to obtain a modified substance of the copper-based antibacterial material;
through the heating of multistep, utilize the oxidation effect of ozone, improve the oxidation behavior of functional load reed pole core to do benefit to the carbomorphism process in the inert gas of later stage, improve its preoxidation carbomorphism efficiency.
(4) Preparing a copper-based antibacterial material:
taking the modified substance of the copper-based antibacterial material prepared in the step (3) and potassium nitrate as raw materials, uniformly stirring and mixing, then continuously conveying the mixed gas of the materials and low-oxygen nitrogen gas to perform high-temperature explosive graphitization reaction on the modified substance of the copper-based antibacterial material in a low-oxygen atmosphere, collecting the gas at the outlet of the mixed gas of the high-temperature explosive graphitization reaction, and cooling and collecting to obtain the copper-based antibacterial material;
the mass ratio of the modified substance of the antibacterial material to the potassium nitrate is 1: 0.05-1: 0.08;
the temperature in the high-temperature explosive graphitization process is 1000-2100 ℃, wherein the volume fraction of oxygen in a low-oxygen nitrogen atmosphere is 2-6%;
the volume ratio of the materials to the mixed gas in the continuous conveying process is 1: 800-1: 1000;
the conveying flow rate of the mixed gas is 10-20L/min.
The potassium nitrate itself has certain combustion-supporting effect, consequently at certain within range, can play the explosion synergist, and the modification of copper antibacterial material itself passes through the potassium nitrate in the explosive action in the twinkling of an eye, utilize the instant effort of explosion, thereby reach the effect of peeling off graphite alkene, and utilize the regulating action of potassium nitrate and oxygen concentration, thereby reach the number of piles control of graphite alkene itself, and after the combustion and explosion of potassium nitrate, the gas and the product of production pass through the collection in later stage, thereby reach the high efficiency and the serialization production operation of graphite alkene, high efficiency and with low costs. Simultaneously, the copper ions with the antibacterial function are loaded, the antibacterial effect of the graphene is synergistically enhanced, the graphene is stripped through combustion and explosion of potassium nitrate, the content of the potassium nitrate and the concentration of oxygen are controlled, the material combustion and explosion in a limited space are achieved, the effect of stripping the graphene is achieved through explosive force, and the method has the advantages of being high in efficiency, low in cost and the like.
(5) Preparing the copper-based antibacterial master batch:
mixing and melting the copper-based antibacterial material prepared in the step (4) and PET particles, and then extruding to obtain copper-based antibacterial functional master batches; the mass ratio of the copper-based antibacterial material to the PET particles is 1: 8.
Compared with the prior art, the invention has the following positive effects:
seven sley bars cooperate and weave into the warp knitting, and this fabric utensil arbitrary position front and back merchant card exchange position third dimension, perspective sense is very strong, and the gas permeability is fabulous, the style is unique, is a neotype merchant's card screen cloth of a section.
The screen cloth that the yarn was woven is pressed to press yarn board of this application's stereoeffect is better.
Drawings
FIG. 1 is a schematic view of the assembly of a yarn platen;
FIG. 2 is a left side view of the yarn platen;
FIG. 3 is a schematic view of the installation position of the yarn pressing plate;
FIG. 4 is a Raman spectrum of the copper-based antibacterial material;
FIG. 5 is a scanning electron microscope image of the copper-based antibacterial material;
FIG. 6 is a transmission electron micrograph of a copper-based antibacterial material;
the labels in the figures are: 1 crankshaft, 2 connecting rods, 3 yarn pressing plates, 4 swing arms, 5 main shafts and 5 main shafts.
Detailed Description
The following provides a specific embodiment of a yarn pressing plate of the present invention.
Example 1
A yarn pressing plate is made of stainless steel.
A yarn pressing plate is shaped like a cuboid; wherein the length is about 2.5-3.5 m, the width is 2-20 cm, and the thickness is 0.1-2 cm. The preferred technical scheme is that the length is about 3.5 meters, the width is 12 centimeters, and the thickness is 1 centimeter.
A yarn pressing plate is formed by combining a rectangle and a triangle in cross section, and the wide side of the rectangle is superposed with one side of the triangle.
The yarn pressing plate 3 is connected with the main shaft 5 through the swing arm 4, and the crankshaft 1 of the warp knitting machine is connected with the main shaft 5 through the connecting rod 2; as shown in fig. 1.
The yarn pressing plate is arranged at the middle position of the guide bar, and the seven-guide-bar warp knitting machine is arranged at the position of the fifth guide bar; as shown in fig. 2.
The stainless steel is provided with the environmental protection functional coating which has the function of prolonging the service life.
An environment-friendly functional coating comprises the following raw materials in percentage by mass:
a preparation method of an environment-friendly functional coating comprises the following specific steps:
(1) preparing a graphene oxide modifier:
carrying out ultrasonic dispersion on an aqueous solution of graphene oxide and an aqueous solution of barium nitrate to obtain a graphene oxide modifier containing barium ions; controlling the molar ratio of the graphene oxide to the barium nitrate to be 1: 2;
(2) preparation of fluorine-containing silane modifier:
performing ultrasonic dispersion on trifluoroacetic acid and 3-aminopropyltriethoxysilane to obtain a fluorine-containing silane modifier; controlling the molar ratio of trifluoroacetic acid to 3-aminopropyltriethoxysilane to be 2: 1;
(3) preparing an environment-friendly functional coating:
carrying out crosslinking reaction on a graphene oxide modifier, a fluorine-containing silane modifier, oligomeric chitosan, core-shell mesoporous aluminosilicate, trimethoxy silane and ethanol for 10-20 hours to obtain the environment-friendly functional coating.
The core-shell mesoporous aluminosilicate is a microsphere structure, the microsphere has a regular spherical shape, a superparamagnetic inner core protected by dense silicon dioxide, a highly open single-layer ordered mesoporous aluminosilicate shell and regularly arranged pore channels, the pore wall has high-density acidic active sites, and the pore diameter is large, so that the core-shell mesoporous aluminosilicate is easy to perform crosslinking reaction with groups in a graphene oxide modifier, a fluorine-containing silane modifier and oligomeric chitosan, is a silicate material, is also very easy to crosslink with trimethoxy silane, and has good compatibility. In addition, due to the microporous structure of the core-shell mesoporous aluminosilicate, an isolating layer is formed on the surface of the metal, so that the core-shell mesoporous aluminosilicate has the functions of isolating external oil stains and other materials and performing corrosion prevention and environmental protection.
Core-shell mesoporous aluminosilicate: (1) by a stober method, ferroferric oxide is dispersed in ethanol, and then TEOS and ammonia water are added to prepare the ferroferric oxide @ silicon dioxide composite material; the preparation method comprises the following steps of (1) taking amphoteric block copolymer polystyrene-b-poly-4-vinylpyridine (Ps-b-P4VP) as a guiding agent, adding aluminum hydroxide and TEOS (tetraethyl orthosilicate) for reaction to prepare ferroferric oxide @ silica-Ps-b-P4 VP/aluminum hydroxide/silica; finally, calcining to remove the amphiphilic block copolymer Ps-b-P4VP to obtain core-shell mesoporous aluminosilicate; a detailed preparation process is described in Amphiphilic Block copolymers oriented Interface compositions to structural multifunctionality Microspheres with magnetic Core and Monolayer Mesoporous alumina Shell (adv. Mater.,2018, DOI: 10.1002/adma.201800345).
A knitting method of a jacquard fabric of a yarn pressing plate adopts seven guide bars to be matched and knitted into a warp knitting fabric; the specific weaving method comprises the following steps:
the jacquard guide bars JB1.1 and JB1.2 can exchange pad yarns at the bottom layer of the surface layer to form loops, the jacquard guide bars JB2.1 and JB2.2 can exchange pad yarns at the bottom layer of the surface layer to form loops, and the yarn pressing plate is positioned between the JB2.2 and GB3 to press yarns on the jacquard guide bars; GB3, GB4 knit loops in the ground layer and bar GB5 knit the backing weave in the ground layer. Seven guide bars are matched and woven into warp knitting fabric, the warp knitting fabric has three-dimensional sense of jacquard exchange positions at the front and the back of any position, the perspective sense is very strong, the air permeability is excellent, the style is unique, and the warp knitting fabric is a novel shoe material fabric. JB1.1, JB1.2, JB2.1, JB2.2 can be woven into both top and bottom layers, while GB3, GB4, GB5 can be woven into only the bottom layer.
The yarn laying organization and the yarn threading mode of each guide bar are as follows:
(1) the yarn laying weave of the guide bar JB1.1 is as follows: 0-1/3-2//;
the yarn laying weave of the guide bar JB1.2 is as follows: 0-1/3-2//;
the threading mode of the guide bars JB1.1 and JB1.2 is as follows: fully penetrating;
(2) the yarn laying weave of the guide bar JB2.1 is as follows: 0-1/3-2//;
the yarn laying weave of the guide bar JB2.2 is as follows: 0-1/3-2//;
the threading mode of the guide bars JB2.1 and JB2.2 is as follows: full puncture
(3) The yarn pressing plate presses yarn during looping by jacquard each time, so that the fabric is concave-convex, and the local thickness of the fabric is improved;
(4) the laying weave of the guide bar GB3 is: 1-0/0-1//;
the threading mode of the guide bar GB3 is as follows: fully penetrating;
(5) the laying weave of the guide bar GB4 is: 1-0/0-1//;
the threading mode of the guide bar GB4 is as follows: fully penetrating;
(6) the laying weave of the guide bar GB5 is: 1-1/0-0//;
the threading mode of the guide bar GB5 is as follows: fully penetrating;
the weaving raw materials used by each guide bar are as follows:
the weaving raw materials used by the guide bars JB1.1 and JB1.2 are as follows: 450D terylene low stretch yarn;
the weaving raw materials used by the guide bars JB2.1 and JB2.2 are as follows: 300D terylene low stretch yarn;
the weaving raw materials used by the guide bar GB3 are as follows: 0.10mm terylene folding-resistant monofilament;
the weaving raw materials used by the guide bar GB4 are as follows: 0.10mm terylene folding-resistant monofilament;
the weaving raw materials used by the guide bar GB5 are as follows: 0.10mm terylene folding-resistant monofilament.
The preparation method of the polyester low stretch yarn comprises the following steps:
mixing copper series antibacterial functional master batches and PET slices, and then carrying out hot melt spinning, wherein the mass ratio of the copper series antibacterial functional master batches to the PET slices is 4: 96; cooling by circular blowing, oiling, drafting and winding to obtain the antibacterial polyester fiber;
the specific spinning process comprises the following steps: the winding speed is 3500-4500 m/min, the circular blowing air speed is 0.25-0.5 m/min, the length of a circular blowing air cylinder is 110-185 cm, and the stretching multiple is 1.6-2.1 times;
the method comprises the following steps of (1) taking antibacterial polyester fibers as raw materials, adopting a DTY (draw texturing yarn) elasticizing method, and preparing the required polyester low-stretch yarns through a pre-network nozzle, a first roller, a deformation hot box, a cooling plate, a false twister, a second roller, a main network nozzle, an auxiliary second roller, a setting hot box, a third roller, a oiling wheel and winding forming;
the DTY texturing process comprises the following specific processes: the processing speed is 480-710 m/min, the stretching multiple is 1.6-1.76 times, the deformation temperature is 175-195 ℃, the heat setting temperature is 150-170 ℃, the D/Y value of the surface linear velocity of the friction disc and the speed of the strand silk leaving the false twister is 1.90-1.95, and the network degree is 110-140/m; the antibacterial effect of the terylene low stretch yarn on staphylococcus aureus is more than 93.5%, and the antibacterial effect on escherichia coli is more than 95%.
The preparation method of the copper series antibacterial functional master batch comprises the following specific steps:
(1) pretreatment of copper-based antibacterial material
Taking reed rods, stripping to obtain a reed straw core layer material, carrying out acid washing on the reed straw core, then carrying out alkali washing pretreatment, and then cleaning with clear water for three times to obtain a pretreatment substance for preparing the copper-based antibacterial material;
the acid pickling process of the reed straw core is to soak the reed straw core in a strong oxidizing acidic mixed solution at the temperature of 80-90 ℃ for 3-6 hours;
the strong oxidizing acidic mixed solution is a mixed solution of nitric acid and hydrogen peroxide, wherein the mass fraction of the nitric acid solution is 15%, and the mass fraction of the hydrogen peroxide solution is 15%;
the alkaline process of the reed straw cores comprises the steps of soaking the reed straw cores treated by the acidification process in an alkaline alcohol solution at the temperature of 80-90 ℃ for 3-6 hours;
the alkaline alcohol solution is a mixed solution of isopropanol of potassium hydroxide, wherein the molar ratio of the potassium hydroxide to the isopropanol is 1: 25;
(2) preparation of intermediate treatment product of copper-based antibacterial material:
taking the pretreated substance of the copper antibacterial material in the step (1) as a raw material, taking a mixed solution of phytic acid and copper phytate as a functional treatment solution, and carrying out functional load reaction under strong stirring, wherein the temperature of the functional load reaction is 85-90 ℃, and the time of the functional load reaction is 24-36 h; after the functional load, carrying out ultra-high speed centrifugation to obtain centrifugal precipitate, and carrying out vacuum drying treatment on the centrifugal precipitate at the temperature of 80 ℃ to obtain an intermediate treatment substance of the copper-based antibacterial material;
the phytic acid in the functional treatment liquid accounts for 5% by mass;
the mass fraction of the copper phytate in the functional treatment liquid is 3 percent;
(3) preparing a modified substance of the copper-based antibacterial material:
taking the intermediate treatment product of the copper-based antibacterial material prepared in the step (3) as a raw material, and carrying out oxidation treatment for 10-20 h in an oxidation atmosphere with the oxidation temperature of 185-200 ℃, the volume fraction of oxygen of 10-15% and the volume fraction of ozone of 1-1.5%; then carrying out carbonization treatment in a helium atmosphere at 500-600 ℃ to obtain a modified substance of the copper-based antibacterial material;
(4) preparing a copper-based antibacterial material:
taking the modified substance of the copper-based antibacterial material prepared in the step (3) and potassium nitrate as raw materials, uniformly stirring and mixing, then continuously conveying the mixed gas of the materials and low-oxygen nitrogen gas to perform high-temperature explosive graphitization reaction on the modified substance of the copper-based antibacterial material in a low-oxygen atmosphere, collecting the gas at the outlet of the mixed gas of the high-temperature explosive graphitization reaction, and cooling and collecting to obtain the copper-based antibacterial material;
the mass ratio of the modified substance of the antibacterial material to the potassium nitrate is 1: 0.08;
the temperature in the high-temperature explosive graphitization process is 1000-2100 ℃, wherein the volume fraction of oxygen in a low-oxygen nitrogen atmosphere is 2-6%;
the volume ratio of the materials to the mixed gas in the continuous conveying process is 1: 1000;
the conveying flow rate of the mixed gas is 10-20L/min.
FIG. 4 is a Raman spectrum of the copper-based antibacterial material; 1595cm-1 in the atlas of the copper-based antibacterial material corresponds to a characteristic peak of graphitization degree, 1350cm-1 corresponds to a disordered carbon layer structure in graphene, and the strength ratio of the peak is 16.3, so that the prepared material is high in graphitization degree, and meanwhile, a 2D peak which is specific to the graphene material can be obviously seen in the atlas, and the 2D peak is high, so that the prepared biomass graphene is good in quality.
FIG. 5 is a scanning electron microscope image of the copper-based antibacterial material; FIG. 6 is a transmission electron micrograph of a copper-based antibacterial material; the graphene is of a lamellar structure, and in an electron microscope photo, the lamellar of the graphene can be clearly distinguished, and the graphene contains a loaded functional particle material.
(5) Preparing the copper-based antibacterial master batch:
mixing and melting the copper-based antibacterial material prepared in the step (4) and PET particles, and then extruding to obtain copper-based antibacterial functional master batches; the mass ratio of the copper-based antibacterial material to the PET particles is 1: 8.
Example 2
A yarn pressing plate is made of stainless steel.
A yarn pressing plate is shaped like a cuboid; wherein the length is about 2.5-3.5 m, the width is 2-20 cm, and the thickness is 0.1-2 cm. The preferred technical scheme is that the length is about 3.5 meters, the width is 12 centimeters, and the thickness is 1 centimeter.
A yarn pressing plate is formed by combining a rectangle and a triangle in cross section, and the wide side of the rectangle is superposed with one side of the triangle.
The yarn pressing plate 3 is connected with the main shaft 5 through the swing arm 4, and the crankshaft 1 of the warp knitting machine is connected with the main shaft 5 through the connecting rod 2; as shown in fig. 1.
The yarn pressing plate is arranged at the middle position of the guide bar, and the seven-guide-bar warp knitting machine is arranged at the position of the fifth guide bar; as shown in fig. 2.
The stainless steel is provided with the environmental protection functional coating which has the function of prolonging the service life.
An environment-friendly functional coating comprises the following raw materials in percentage by mass:
a preparation method of an environment-friendly functional coating comprises the following specific steps:
(1) preparing a graphene oxide modifier:
carrying out ultrasonic dispersion on an aqueous solution of graphene oxide and an aqueous solution of barium nitrate to obtain a graphene oxide modifier containing barium ions; controlling the molar ratio of the graphene oxide to the barium nitrate to be 1: 1;
the step utilizes the characteristic of small size of the graphene, so that the graphene can be filled into micro-pores and defects of the coating, the micromolecule corrosion medium is prevented and delayed from being immersed into a metal matrix to a certain extent, the physical isolation effect of the coating is enhanced, and the corrosion resistance of the coating is enhanced; meanwhile, the graphene is of a layered structure and is an extremely thin lamellar structure, the graphene can be stacked in a coating layer by layer to form a compact physical isolation layer, and micromolecule corrosive media are difficult to pass through the compact physical isolation layer, so that the anticorrosive coating containing the graphene has a very strong physical isolation effect. The other improvement point of the application is that the hydroxyl, carboxyl and epoxy groups carried by graphene are combined with barium ions which are uniformly dispersed in a solution, the modifier is obtained by the complexation reaction of graphene oxide and barium ions, the wear resistance of the material is improved by the barium ions, and the barium ions are coated on the surface of metal, so that the metal can be protected from corrosion, and the service life of a final product is prolonged; the hydroxyl, carboxyl and epoxy groups contained in the graphene oxide of the present application utilize a subsequent crosslinking reaction, rather than a difficult crosslinking reaction of graphene itself with other media. The modification process of the graphene is saved.
(2) Preparation of fluorine-containing silane modifier:
performing ultrasonic dispersion on trifluoroacetic acid and 3-aminopropyltriethoxysilane to obtain a fluorine-containing silane modifier; controlling the molar ratio of trifluoroacetic acid to 3-aminopropyltriethoxysilane to be 4:1-2: 1;
the step is to perform mixed reaction on trifluoroacetic acid and 3-aminopropyltriethoxysilane to complete the addition of the fluorine-containing functional material, complete the fixing function of the fluorine-containing functional material, improve the hydrophobic function of the surface of the material, and realize the wear-resistant function of the material by using the low surface energy function of the fluorine-containing functional material, thereby finally achieving the purpose of prolonging the service life of the final product;
(3) preparing an environment-friendly functional coating:
and carrying out crosslinking reaction on the graphene oxide modifier, the fluorine-containing silane modifier, the oligomeric chitosan, the trimethoxy silane and the ethanol for 10-20 hours to obtain the environment-friendly functional coating.
The oligochitosan contains a large amount of positive charge cationic basic amino-oligosaccharide, can be crosslinked with a graphene oxide modifier, can also be crosslinked with a fluorine-containing silane modifier, and can also be crosslinked with trimethoxy silane, so that the oligochitosan is easily dissolved in water and alcohol solution, is a micromolecule oligosaccharide with amino, which is degraded from chitosan of shrimp and crab shells, is a sugar chain with the polymerization degree of 2-20, and has the characteristics of pure nature, no radiation, no pollution, no addition and the like. And when the material is added into a coating to act as a cross-linking agent, the material is very ideal. Has the functions of health and environmental protection.
A knitting method of a jacquard fabric of a yarn pressing plate adopts seven guide bars to be matched and knitted into a warp knitting fabric; the specific weaving method comprises the following steps:
the jacquard guide bars JB1.1 and JB1.2 can exchange pad yarns at the bottom layer of the surface layer to form loops, the jacquard guide bars JB2.1 and JB2.2 can exchange pad yarns at the bottom layer of the surface layer to form loops, and the yarn pressing plate is positioned between the JB2.2 and GB3 to press yarns on the jacquard guide bars; GB3, GB4 knit loops in the ground layer and bar GB5 knit the backing weave in the ground layer. Seven guide bars are matched and woven into warp knitting fabric, the warp knitting fabric has three-dimensional sense of jacquard exchange positions at the front and the back of any position, the perspective sense is very strong, the air permeability is excellent, the style is unique, and the warp knitting fabric is a novel shoe material fabric. JB1.1, JB1.2, JB2.1, JB2.2 can be woven into both top and bottom layers, while GB3, GB4, GB5 can be woven into only the bottom layer.
The yarn laying organization and the yarn threading mode of each guide bar are as follows:
(1) the yarn laying weave of the guide bar JB1.1 is as follows: 0-1/3-2//;
the yarn laying weave of the guide bar JB1.2 is as follows: 0-1/3-2//;
the threading mode of the guide bars JB1.1 and JB1.2 is as follows: fully penetrating;
(2) the yarn laying weave of the guide bar JB2.1 is as follows: 0-1/3-2//;
the yarn laying weave of the guide bar JB2.2 is as follows: 0-1/3-2//;
the threading mode of the guide bars JB2.1 and JB2.2 is as follows: full puncture
(3) The yarn pressing plate presses yarn during looping by jacquard each time, so that the fabric is concave-convex, and the local thickness of the fabric is improved;
(4) the laying weave of the guide bar GB3 is: 1-0/0-1//;
the threading mode of the guide bar GB3 is as follows: fully penetrating;
(5) the laying weave of the guide bar GB4 is: 1-0/0-1//;
the threading mode of the guide bar GB4 is as follows: fully penetrating;
(6) the laying weave of the guide bar GB5 is: 1-1/0-0//;
the threading mode of the guide bar GB5 is as follows: fully penetrating;
the weaving raw materials used by each guide bar are as follows:
the weaving raw materials used by the guide bars J B1.1.1, J B1.2.2 are: 450D terylene low stretch yarn;
the weaving raw materials used by the guide bars J B2.1.1, J B2.2.2 are: 300D terylene low stretch yarn;
the weaving raw materials used by the guide bar GB3 are as follows: 0.10mm terylene folding-resistant monofilament;
the weaving raw materials used by the guide bar GB4 are as follows: 0.10mm terylene folding-resistant monofilament;
the weaving raw materials used by the guide bar GB5 are as follows: 0.10mm terylene folding-resistant monofilament.
The preparation method of the polyester low stretch yarn comprises the following steps:
mixing copper series antibacterial functional master batches and PET slices, and then carrying out hot melt spinning, wherein the mass ratio of the copper series antibacterial functional master batches to the PET slices is 4: 96; cooling by circular blowing, oiling, drafting and winding to obtain the antibacterial polyester fiber;
the specific spinning process comprises the following steps: the winding speed is 3500-4500 m/min, the circular blowing air speed is 0.25-0.5 m/min, the length of a circular blowing air cylinder is 110-185 cm, and the stretching multiple is 1.6-2.1 times;
the method comprises the following steps of (1) taking antibacterial polyester fibers as raw materials, adopting a DTY (draw texturing yarn) elasticizing method, and preparing the required polyester low-stretch yarns through a pre-network nozzle, a first roller, a deformation hot box, a cooling plate, a false twister, a second roller, a main network nozzle, an auxiliary second roller, a setting hot box, a third roller, a oiling wheel and winding forming;
the DTY texturing process comprises the following specific processes: the processing speed is 480-710 m/min, the stretching multiple is 1.6-1.76 times, the deformation temperature is 175-195 ℃, the heat setting temperature is 150-170 ℃, the D/Y value of the surface linear velocity of the friction disc and the speed of the strand silk leaving the false twister is 1.90-1.95, and the network degree is 110-140/m; the antibacterial effect of the terylene low stretch yarn on staphylococcus aureus is more than 93.5%, and the antibacterial effect on escherichia coli is more than 95%.
The preparation method of the copper series antibacterial functional master batch comprises the following specific steps:
(1) pretreatment of copper-based antibacterial material
Taking reed rods, stripping to obtain a reed straw core layer material, carrying out acid washing on the reed straw core, then carrying out alkali washing pretreatment, and then cleaning with clear water for three times to obtain a pretreatment substance for preparing the copper-based antibacterial material;
the acid pickling process of the reed straw core is to soak the reed straw core in a strong oxidizing acidic mixed solution at the temperature of 80-90 ℃ for 3-6 hours;
the strong oxidizing acidic mixed solution is a mixed solution of nitric acid and hydrogen peroxide, wherein the mass fraction of the nitric acid solution is 10%, and the mass fraction of the hydrogen peroxide solution is 10%;
the alkaline process of the reed straw cores comprises the steps of soaking the reed straw cores treated by the acidification process in an alkaline alcohol solution at the temperature of 80-90 ℃ for 3-6 hours;
the alkaline alcohol solution is a mixed solution of isopropanol of potassium hydroxide, wherein the molar ratio of the potassium hydroxide to the isopropanol is 1: 05;
(2) preparation of intermediate treatment product of copper-based antibacterial material:
taking the pretreated substance of the copper antibacterial material in the step (1) as a raw material, taking a mixed solution of phytic acid and copper phytate as a functional treatment solution, and carrying out functional load reaction under strong stirring, wherein the temperature of the functional load reaction is 85-90 ℃, and the time of the functional load reaction is 24-36 h; after the functional load, carrying out ultra-high speed centrifugation to obtain centrifugal precipitate, and carrying out vacuum drying treatment on the centrifugal precipitate at the temperature of 80 ℃ to obtain an intermediate treatment substance of the copper-based antibacterial material;
the phytic acid mass fraction in the functional treatment liquid is 2%;
the mass fraction of the copper phytate in the functional treatment liquid is 1 percent;
(3) preparing a modified substance of the copper-based antibacterial material:
taking the intermediate treatment product of the copper-based antibacterial material prepared in the step (3) as a raw material, and carrying out oxidation treatment for 10-20 h in an oxidation atmosphere with the oxidation temperature of 185-200 ℃, the volume fraction of oxygen of 10-15% and the volume fraction of ozone of 1-1.5%; then carrying out carbonization treatment in a helium atmosphere at 500-600 ℃ to obtain a modified substance of the copper-based antibacterial material;
(4) preparing a copper-based antibacterial material:
taking the modified substance of the copper-based antibacterial material prepared in the step (3) and potassium nitrate as raw materials, uniformly stirring and mixing, then continuously conveying the mixed gas of the materials and low-oxygen nitrogen gas to perform high-temperature explosive graphitization reaction on the modified substance of the copper-based antibacterial material in a low-oxygen atmosphere, collecting the gas at the outlet of the mixed gas of the high-temperature explosive graphitization reaction, and cooling and collecting to obtain the copper-based antibacterial material;
the mass ratio of the modified substance of the antibacterial material to the potassium nitrate is 1: 0.05;
the temperature in the high-temperature explosive graphitization process is 1000-2100 ℃, wherein the volume fraction of oxygen in a low-oxygen nitrogen atmosphere is 2%;
the volume ratio of the materials to the mixed gas in the continuous conveying process is 1: 800;
the conveying flow rate of the mixed gas is 10-20L/min.
(5) Preparing the copper-based antibacterial master batch:
mixing and melting the copper-based antibacterial material prepared in the step (4) and PET particles, and then extruding to obtain copper-based antibacterial functional master batches; the mass ratio of the copper-based antibacterial material to the PET particles is 1: 8.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the concept of the present invention, and these modifications and decorations should also be regarded as being within the protection scope of the present invention.
Claims (10)
1. A yarn pressing plate is characterized in that the yarn pressing plate is made of stainless steel.
2. The yarn pressing plate as claimed in claim 1, wherein the shape is a pseudo rectangular parallelepiped; wherein the length is about 2.5-3.5 m, the width is 2-20 cm, and the thickness is 0.1-2 cm.
3. The yarn pressing plate as claimed in claim 1, wherein the cross section of the yarn pressing plate is a combination of a rectangle and a triangle, and the wide side of the rectangle is coincident with one side of the triangle.
4. The yarn pressing plate as claimed in claim 1, wherein the stainless steel is provided with an environmentally friendly functional coating; the environment-friendly functional coating comprises the following raw materials in percentage by mass:
5. the yarn pressing plate of claim 4, wherein the graphene oxide modifier is prepared by: carrying out ultrasonic dispersion on an aqueous solution of graphene oxide and an aqueous solution of barium nitrate to obtain a graphene oxide modifier containing barium ions; the molar ratio of the graphene oxide to the barium nitrate is controlled to be 1:1-1: 2.
6. The yarn platen of claim 4, wherein the fluorine-containing silane modifier is prepared by: performing ultrasonic dispersion on trifluoroacetic acid and 3-aminopropyltriethoxysilane to obtain a fluorine-containing silane modifier; the molar ratio of trifluoroacetic acid to 3-aminopropyltriethoxysilane is controlled to be 4:1-2: 1.
7. A knitting method of a jacquard fabric of a yarn pressing plate is characterized in that seven guide bars are adopted to be matched and knitted into a warp knitting fabric; the specific weaving method comprises the following steps: the jacquard guide bars JB1.1 and JB1.2 are used for carrying out yarn exchanging and padding looping on the surface layer bottom layer, the jacquard guide bars JB2.1 and JB2.2 are used for carrying out yarn exchanging and padding looping on the surface layer bottom layer, and the yarn pressing plate is positioned between the JB2.2 and GB3 for pressing the jacquard guide bars; GB3, GB4 forms a loop on the bottom layer yarn laying, and a guide bar GB5 forms a backing weave on the bottom layer; the weaving raw materials used by the guide bar are as follows:
the weaving raw materials used by the guide bars JB1.1 and JB1.2 are as follows: 450D terylene low stretch yarn;
the weaving raw materials used by the guide bars JB2.1 and JB2.2 are as follows: 300D terylene low stretch yarn;
the weaving raw materials used by the guide bar GB3 are as follows: 0.10mm terylene folding-resistant monofilament;
the weaving raw materials used by the guide bar GB4 are as follows: 0.10mm terylene folding-resistant monofilament;
the weaving raw materials used by the guide bar GB5 are as follows: 0.10mm terylene folding-resistant monofilament.
8. The method for knitting a presser plate jacquard fabric according to claim 8, wherein said polyester low stretch yarn is prepared by: mixing the antibacterial functional master batch and the PET slices, and then carrying out hot melt spinning, wherein the mass ratio of the antibacterial functional master batch to the PET slices is 4: 96; cooling by circular blowing, oiling, drafting and winding to obtain the antibacterial polyester fiber; the method is characterized in that the antibacterial polyester fiber is used as a raw material, a DTY texturing method is adopted, and the required polyester low-stretch yarn is prepared through a pre-network nozzle, a first roller, a texturing hot box, a cooling plate, a false twister, a second roller, a main network nozzle, an auxiliary second roller, a setting hot box, a third roller, a oiling wheel and winding forming.
9. The method for weaving a presser plate jacquard fabric according to claim 8, wherein the number of the polyester low stretch yarn is 200 to 500D.
10. The method for weaving a presser plate jacquard fabric according to claim 8, wherein the method for preparing the copper-based antibacterial functional master batch comprises the following specific steps:
(1) pretreatment of copper-based antibacterial material
(2) Preparation of intermediate treatment product of copper-based antibacterial material:
(3) preparing a modified substance of the copper-based antibacterial material:
(4) preparing a copper-based antibacterial material:
taking the modified substance of the copper-based antibacterial material prepared in the step (3) and potassium nitrate as raw materials, uniformly stirring and mixing, then continuously conveying the mixed gas of the materials and low-oxygen nitrogen gas to perform high-temperature explosive graphitization reaction on the modified substance of the copper-based antibacterial material in a low-oxygen atmosphere, collecting the gas at the outlet of the mixed gas of the high-temperature explosive graphitization reaction, and cooling and collecting to obtain the copper-based antibacterial material;
(5) preparing the copper-based antibacterial master batch:
mixing and melting the copper-based antibacterial material prepared in the step (4) and PET particles, and then extruding to obtain copper-based antibacterial functional master batches; the mass ratio of the copper-based antibacterial material to the PET particles is 1: 8.
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| CN112708976A (en) * | 2020-12-24 | 2021-04-27 | 江苏德力化纤有限公司 | Preparation method of superfine denier special-shaped polyester yarn |
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| CN201753396U (en) * | 2010-06-03 | 2011-03-02 | 郑依福 | 28E double-color warp knitting machine with fall plate and jacquard |
| CN105420911A (en) * | 2015-11-04 | 2016-03-23 | 信泰(福建)科技有限公司 | Double-faced jacquard weaving technology |
| CN105926307A (en) * | 2016-05-09 | 2016-09-07 | 威尔克工业纺织（嘉兴）有限公司 | High-temperature-resistant high-strength coating base cloth |
| CN107988699A (en) * | 2017-11-30 | 2018-05-04 | 信泰(福建)科技有限公司 | Double jacquard pattern design screen cloth colour mixture weavings |
| CN108251955A (en) * | 2018-02-09 | 2018-07-06 | 信泰(福建)科技有限公司 | A kind of double Jacquard polychrome pure color jacquard weave screen cloth weavings of two-needle bar |
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| CN112708976A (en) * | 2020-12-24 | 2021-04-27 | 江苏德力化纤有限公司 | Preparation method of superfine denier special-shaped polyester yarn |
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