CN116536919A - Antibacterial warm-keeping yarn-dyed fabric and preparation process thereof - Google Patents
Antibacterial warm-keeping yarn-dyed fabric and preparation process thereof Download PDFInfo
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- CN116536919A CN116536919A CN202310451578.8A CN202310451578A CN116536919A CN 116536919 A CN116536919 A CN 116536919A CN 202310451578 A CN202310451578 A CN 202310451578A CN 116536919 A CN116536919 A CN 116536919A
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- Prior art keywords
- antibacterial
- solution
- nano silver
- fiber
- dyed fabric
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 90
- 239000004744 fabric Substances 0.000 title claims abstract description 62
- 238000002360 preparation method Methods 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- -1 polyethylene Polymers 0.000 claims abstract description 78
- 239000000835 fiber Substances 0.000 claims abstract description 69
- 239000004698 Polyethylene Substances 0.000 claims abstract description 66
- 229920000573 polyethylene Polymers 0.000 claims abstract description 66
- 108010029541 Laccase Proteins 0.000 claims abstract description 46
- REFJWTPEDVJJIY-UHFFFAOYSA-N Quercetin Chemical compound C=1C(O)=CC(O)=C(C(C=2O)=O)C=1OC=2C1=CC=C(O)C(O)=C1 REFJWTPEDVJJIY-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229920000742 Cotton Polymers 0.000 claims abstract description 23
- 229920002972 Acrylic fiber Polymers 0.000 claims abstract description 21
- ZVOLCUVKHLEPEV-UHFFFAOYSA-N Quercetagetin Natural products C1=C(O)C(O)=CC=C1C1=C(O)C(=O)C2=C(O)C(O)=C(O)C=C2O1 ZVOLCUVKHLEPEV-UHFFFAOYSA-N 0.000 claims abstract description 20
- HWTZYBCRDDUBJY-UHFFFAOYSA-N Rhynchosin Natural products C1=C(O)C(O)=CC=C1C1=C(O)C(=O)C2=CC(O)=C(O)C=C2O1 HWTZYBCRDDUBJY-UHFFFAOYSA-N 0.000 claims abstract description 20
- MWDZOUNAPSSOEL-UHFFFAOYSA-N kaempferol Natural products OC1=C(C(=O)c2cc(O)cc(O)c2O1)c3ccc(O)cc3 MWDZOUNAPSSOEL-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229960001285 quercetin Drugs 0.000 claims abstract description 20
- 235000005875 quercetin Nutrition 0.000 claims abstract description 20
- 238000009941 weaving Methods 0.000 claims abstract description 11
- 239000002759 woven fabric Substances 0.000 claims abstract description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract 6
- 238000001035 drying Methods 0.000 claims description 60
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 50
- 238000005406 washing Methods 0.000 claims description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 44
- 239000008367 deionised water Substances 0.000 claims description 43
- 229910021641 deionized water Inorganic materials 0.000 claims description 43
- 238000010438 heat treatment Methods 0.000 claims description 42
- 238000003756 stirring Methods 0.000 claims description 35
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 32
- 229940100890 silver compound Drugs 0.000 claims description 27
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 16
- TUSDEZXZIZRFGC-UHFFFAOYSA-N 1-O-galloyl-3,6-(R)-HHDP-beta-D-glucose Natural products OC1C(O2)COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC1C(O)C2OC(=O)C1=CC(O)=C(O)C(O)=C1 TUSDEZXZIZRFGC-UHFFFAOYSA-N 0.000 claims description 14
- 239000001263 FEMA 3042 Substances 0.000 claims description 14
- LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 claims description 14
- LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 claims description 14
- 229940033123 tannic acid Drugs 0.000 claims description 14
- 235000015523 tannic acid Nutrition 0.000 claims description 14
- 229920002258 tannic acid Polymers 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 10
- 238000004061 bleaching Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- 238000004043 dyeing Methods 0.000 claims description 9
- 238000009998 heat setting Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 238000002791 soaking Methods 0.000 claims description 9
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 9
- 239000012279 sodium borohydride Substances 0.000 claims description 9
- 238000009835 boiling Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 2
- 230000014759 maintenance of location Effects 0.000 abstract description 4
- 150000008442 polyphenolic compounds Chemical class 0.000 abstract description 4
- 235000013824 polyphenols Nutrition 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 104
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical class [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 40
- 230000001105 regulatory effect Effects 0.000 description 22
- 238000005576 amination reaction Methods 0.000 description 7
- 241000228212 Aspergillus Species 0.000 description 6
- 238000009991 scouring Methods 0.000 description 6
- 235000019722 synbiotics Nutrition 0.000 description 6
- 238000007069 methylation reaction Methods 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 230000001580 bacterial effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 125000004402 polyphenol group Chemical group 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000008149 soap solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/152—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen having a hydroxy group bound to a carbon atom of a six-membered aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/02—Alkylation
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
- D06M16/003—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic with enzymes or microorganisms
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/045—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with polyolefin or polystyrene (co-)polymers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/26—Polymers or copolymers of unsaturated carboxylic acids or derivatives thereof
- D06M2101/28—Acrylonitrile; Methacrylonitrile
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2201/00—Chemical constitution of the fibres, threads or yarns
- D06N2201/02—Synthetic macromolecular fibres
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2201/00—Chemical constitution of the fibres, threads or yarns
- D06N2201/04—Vegetal fibres
- D06N2201/042—Cellulose fibres, e.g. cotton
- D06N2201/045—Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N2203/042—Polyolefin (co)polymers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/06—Properties of the materials having thermal properties
- D06N2209/065—Insulating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention relates to the technical field of yarn-dyed fabrics, in particular to an antibacterial warm-keeping yarn-dyed fabric and a preparation process thereof. Cotton fiber and acrylic fiber are used as mixed fiber for weaving, so that the warmth retention property of the woven fabric is enhanced. According to the invention, the nano silver and the quercetin are compounded together to prepare the antibacterial solution, and the fiber is immersed in the antibacterial solution for treatment, so that the antibacterial performance of the fiber is enhanced. And then the dyed fiber is immersed in laccase solution, the laccase can react with polyphenol on the fiber to play a role of fixation, and finally, the methylated polyethylene wax solution is coated to strengthen the warmth retention of the yarn-dyed fabric. The yarn-dyed fabric prepared by the scheme provided by the invention has good antibacterial property and heat retention.
Description
Technical Field
The invention relates to the technical field of yarn-dyed fabrics, in particular to an antibacterial warm-keeping yarn-dyed fabric and a preparation process thereof.
Background
In recent years, with the improvement of living standard and the attention of people to health and environment, the performance requirements of textiles are also higher and higher. While keeping warm in winter, it is also desirable that textiles have antimicrobial function to avoid bacterial growth and spread. Cotton fiber is used as a common fiber raw material, has good air permeability and hygroscopicity, is comfortable to wear and is skin-friendly, so that the cotton fiber is widely applied to the field of fiber fabrics, but the common pure cotton fiber fabric has poor warmth retention property and poor antibacterial property, and therefore, development of a yarn-dyed fabric with antibacterial and warmth retention functions has become one of research hot spots in textile industry.
In order to solve the problems, the invention provides an antibacterial warm-keeping yarn-dyed fabric and a preparation process thereof.
Disclosure of Invention
The invention aims to provide an antibacterial warm-keeping yarn-dyed fabric and a preparation process thereof, which are used for solving the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme:
a preparation process of an antibacterial warm-keeping yarn-dyed fabric comprises the following steps:
step one: dissolving quercetin-nano silver compound in deionized water, adding hydrochloric acid, adjusting pH value to 6-6.5, and heating to 45-50deg.C to obtain antibacterial solution; taking mixed fibers, boiling, bleaching and dyeing, soaking the mixed fibers in an antibacterial solution for treatment, heating to 90-95 ℃ at 1-3 ℃/min, preserving heat for 1-2h, washing and drying to obtain the fibers treated by the antibacterial solution;
step two: dissolving laccase in deionized water, adding hydrochloric acid, adjusting pH to 5-5.5 to obtain laccase solution, adding fiber treated by antibacterial solution, reacting at 50-80deg.C for 4-6 hr, heating to 80-90deg.C, maintaining the temperature for 20-40min, washing, and drying to obtain pretreated fiber;
step three: uniformly stirring methylated polyethylene wax and deionized water to obtain a methylated polyethylene wax solution; warping and weaving the pretreated fiber, performing heat setting at 100-110 ℃ for 50-55s, washing and drying, coating a methylated polyethylene wax solution on the woven fabric, and drying to obtain the antibacterial and warm-keeping yarn-dyed fabric.
More preferably, the mixed fiber comprises the following components in weight: 45-60% of cotton fiber and 40-55% of acrylic fiber.
More optimally, in the first step, the preparation method of the quercetin-nano silver compound comprises the following steps: dripping sodium hydroxide into quercetin, adjusting pH to 10-11, adding modified nano silver, heating to 60-70deg.C, reacting for 8-10 hr, centrifuging, washing, and drying to obtain quercetin-nano silver compound.
More optimally, the preparation method of the modified nano silver comprises the following steps: and (3) taking the aminated nano silver and deionized water, uniformly stirring, adding the tannic acid solution, and continuously stirring for 2-3 hours to obtain the modified nano silver.
More optimally, the preparation method of the aminated nano silver comprises the following steps: and (3) taking deionized water, cooling to 5-10 ℃, adding silver nitrate solution and ethylenediamine, adding sodium borohydride, stirring for 2-5min, dialyzing for 10-14h, and drying to obtain the amino nano silver.
More optimally, the preparation method of the methylated polyethylene wax comprises the following steps: mixing polyethylene wax and methanol uniformly, adding hydrochloric acid, stirring for 10-15min, heating to 75-80 ℃, reacting for 20-24h, washing, and drying to obtain methylated polyethylene wax.
More preferably, the length of the cotton fiber is 25-28mm, and the length of the acrylic fiber is 35-40mm.
More optimally, in the antibacterial solution, the concentration of the quercetin-nano silver compound is 0.2-0.3g/mL; in the laccase solution, the concentration of laccase is 5-6g/L.
Compared with the prior art, the invention has the following beneficial effects:
(1) The acrylic fiber has good heat retention property, and the cotton fiber and the acrylic fiber are adopted for blending and weaving, so that the obtained woven fabric has good heat retention property.
(2) According to the modified nano silver, ethylenediamine is added to carry out amination treatment on the nano silver, and tannic acid is added to further modify the aminated nano silver, so that tannic acid is loaded on the modified nano silver. Hydroxyl and carboxyl in tannic acid can react with polyphenol groups in quercetin to generate chemical bonding, so that the quercetin is tightly combined with the tannic acid and is firmly fixed on the surface of nano silver, and the stability of the quercetin is improved. Quercetin contains a large amount of polyphenols, and therefore has excellent antibacterial properties. The combination of the quercetin and the nano silver further improves the antibacterial performance of the yarn-dyed fabric.
Immersing the fiber treated by the antibacterial solution in laccase solution, controlling the concentration of quercetin-nano silver compound to be 0.2-0.3g/mL and the concentration of laccase to be 5-6g/L. At the moment, laccase can react with polyphenol in quercetin, and plays a role in fixing color on dyed fabric, so that the soaping color fastness of the dyed fabric is enhanced.
(3) The polyethylene wax has good hydrophobicity, can prevent water absorption, reduces heat loss, and can improve the heat preservation performance of the yarn-dyed fabric when being coated on the surface of the yarn-dyed fabric. According to the invention, methylation reaction is carried out on the polyethylene wax, so that more methyl groups on the polyethylene wax can react with amino groups on the modified silver nano particles, the compatibility with silver ion particles is enhanced, the polyethylene wax is firmly loaded on the yarn-dyed fabric, and the yarn-dyed fabric has better heat retention property.
Description of the embodiments
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Step one: preparation of modified nano silver:
taking 500mL of deionized water, cooling to 7 ℃, adding 18mL of 1% silver nitrate solution and 18mL of ethylenediamine, adding 9mL of 300mmol/L sodium borohydride, stirring for 4min, dialyzing for 12h, and drying to obtain the amino nano silver.
Silver nitrate is supplied by Shanghai Ala Biochemical technologies Co.
Taking 0.2g of amination nano silver and 20mL of deionized water, uniformly stirring, adding 0.4g of tannic acid solution with the concentration of 40mg/mL, and continuously stirring for 2.5h to obtain the modified nano silver.
Step two: preparation of quercetin-nano silver complex:
dripping 1mol/L sodium hydroxide into 3g quercetin, adjusting pH to 10.5, adding 1g modified nano silver, heating to 65deg.C, reacting for 9 hr, centrifuging, washing, and drying to obtain quercetin-nano silver compound.
Step three: preparation of methylated polyethylene wax:
taking 20g of polyethylene wax and 40mL of methanol, uniformly mixing, adding 2.5g of hydrochloric acid, continuously stirring for 12min, heating to 78 ℃, reacting for 22h, washing and drying to obtain the methylated polyethylene wax.
Step four: preparation of yarn-dyed fabric
Dissolving quercetin-nano silver compound in deionized water, adjusting the concentration of the quercetin-nano silver compound to be 0.25g/mL, adding hydrochloric acid, adjusting the pH value to be 6, and heating to 48 ℃ to obtain an antibacterial solution; taking 55% of cotton fibers and 45% of acrylic fibers, scouring, bleaching and dyeing, and soaking the fibers in an antibacterial solution for treatment, wherein the weight ratio of the antibacterial solution to the fibers is 1:3, heating to 92 ℃ at 2 ℃/min, preserving heat for 1.5h, washing and drying to obtain the fiber treated by the antibacterial solution.
Dissolving laccase in deionized water, regulating the concentration of laccase to 5.5g/L, adding hydrochloric acid, regulating the pH value to 5 to obtain laccase solution, adding fiber treated by the antibacterial solution, wherein the weight ratio of the laccase solution to the fiber treated by the antibacterial solution is 1:3, reacting for 5 hours at 70 ℃, heating to 85 ℃, preserving heat for 30 minutes, washing and drying to obtain the pretreated fiber.
Laccase: aspergillus species, supplied by the Synbiotics biotechnology Co.Ltd.
Cotton fiber: the length is 26mm, and the fineness is 1.63dtex; acrylic fiber: the length is 38mm and the fineness is 0.9dtex.
6g of methylated polyethylene wax and 100mL of deionized water are taken and stirred uniformly to obtain a methylated polyethylene wax solution.
Warping the pretreated fiber, weaving, heat setting at 105 deg.c for 53s, washing, drying, and coating methylated polyethylene wax solution in 10g/m 2 Drying to obtain the antibacterial warm-keeping yarn-dyed fabric, wherein the weight ratio of the methylated polyethylene wax solution to the fabric is controlled to be 1:3.
examples
Step one: preparation of modified nano silver:
taking 500mL of deionized water, cooling to 5 ℃, adding 18mL of 1% silver nitrate solution and 18mL of ethylenediamine, adding 9mL of 300mmol/L sodium borohydride, stirring for 2min, dialyzing for 10h, and drying to obtain the amino nano silver.
Silver nitrate is supplied by Shanghai Ala Biochemical technologies Co.
Taking 0.2g of amination nano silver and 20mL of deionized water, uniformly stirring, adding 0.4g of tannic acid solution with the concentration of 40mg/mL, and continuously stirring for 2 hours to obtain the modified nano silver.
Step two: preparation of quercetin-nano silver complex:
dripping sodium hydroxide with the concentration of 1mol/L into 3g of quercetin, regulating the pH value to 10, adding 1g of modified nano silver, heating to 60 ℃, reacting for 8 hours, centrifuging, washing and drying to obtain the quercetin-nano silver compound.
Step three: preparation of methylated polyethylene wax:
taking 20g of polyethylene wax and 40mL of methanol, uniformly mixing, adding 2.5g of hydrochloric acid, continuously stirring for 10min, heating to 75 ℃, reacting for 20h, washing and drying to obtain the methylated polyethylene wax.
Step four: preparation of yarn-dyed fabric
Dissolving quercetin-nano silver compound in deionized water, regulating the concentration of the quercetin-nano silver compound to 0.2g/mL, adding hydrochloric acid, regulating the pH value to 6, and heating to 45 ℃ to obtain the antibacterial solution. Taking 50% of cotton fibers and 50% of acrylic fibers, scouring, bleaching and dyeing, and soaking the fibers in an antibacterial solution for treatment, wherein the weight ratio of the antibacterial solution to the fibers is 1:3, heating to 90 ℃ at a speed of 1 ℃/min, preserving heat for 1h, washing and drying to obtain the fiber treated by the antibacterial solution.
Dissolving laccase in deionized water, regulating the concentration of laccase to 5g/L, adding hydrochloric acid, regulating the pH value to 5 to obtain laccase solution, adding fiber treated by the antibacterial solution, wherein the weight ratio of the laccase solution to the fiber treated by the antibacterial solution is 1:3, reacting for 6 hours at 60 ℃, heating to 90 ℃, preserving heat for 40 minutes, washing and drying to obtain the pretreated fiber.
Laccase: aspergillus species, supplied by the Synbiotics biotechnology Co.Ltd.
Cotton fiber: the length is 26mm, and the fineness is 1.63dtex; acrylic fiber: the length is 38mm and the fineness is 0.9dtex.
6g of methylated polyethylene wax and 100mL of deionized water are taken and stirred uniformly to obtain a methylated polyethylene wax solution.
Warping the pretreated fiber, weaving, heat setting at 100deg.C for 50s, washing, drying, and coating methylated polyethylene wax solution with a coating weight of 10g/m 2 Drying to obtain the antibacterial warm-keeping yarn-dyed fabric, wherein the weight ratio of the methylated polyethylene wax solution to the fabric is controlled to be 1:3.
examples
Step one: preparation of modified nano silver:
taking 500mL of deionized water, cooling to 10 ℃, adding 18mL of 1% silver nitrate solution and 18mL of ethylenediamine, adding 9mL of 300mmol/L sodium borohydride, stirring for 5min, dialyzing for 14h, and drying to obtain the amino nano silver.
Silver nitrate is supplied by Shanghai Ala Biochemical technologies Co.
Taking 0.2g of amination nano silver and 20mL of deionized water, uniformly stirring, adding 0.4g of tannic acid solution with the concentration of 40mg/mL, and continuously stirring for 3 hours to obtain the modified nano silver.
Step two: preparation of quercetin-nano silver complex:
dripping 1mol/L sodium hydroxide into 3g quercetin, adjusting pH to 11, adding 1g modified nano silver, heating to 70deg.C, reacting for 10 hr, centrifuging, washing, and drying to obtain quercetin-nano silver compound.
Step three: preparation of methylated polyethylene wax:
taking 20g of polyethylene wax and 40mL of methanol, uniformly mixing, adding 2.5g of hydrochloric acid, continuously stirring for 15min, heating to 80 ℃, reacting for 24h, washing and drying to obtain the methylated polyethylene wax.
Step four: preparation of yarn-dyed fabric
Dissolving quercetin-nano silver compound in deionized water, regulating the concentration of the quercetin-nano silver compound to 0.3g/mL, adding hydrochloric acid, regulating the pH value to 6.5, and heating to 50 ℃ to obtain the antibacterial solution. Taking 60% of cotton fibers and 40% of acrylic fibers, scouring, bleaching and dyeing, and soaking the fibers in an antibacterial solution for treatment, wherein the weight ratio of the antibacterial solution to the fibers is 1:3, heating to 95 ℃ at 3 ℃/min, preserving heat for 2 hours, washing and drying to obtain the fiber treated by the antibacterial solution.
Dissolving laccase in deionized water, regulating the concentration of laccase to be 6g/L, adding hydrochloric acid, regulating the pH value to be 5.5 to obtain laccase solution, adding fiber treated by the antibacterial solution, wherein the weight ratio of the laccase solution to the fiber treated by the antibacterial solution is 1:3, reacting for 6 hours at 80 ℃, heating to 90 ℃, preserving heat for 20 minutes, washing and drying to obtain the pretreated fiber.
Laccase: aspergillus species, supplied by the Synbiotics biotechnology Co.Ltd.
Cotton fiber: the length is 26mm, and the fineness is 1.63dtex; acrylic fiber: the length is 38mm and the fineness is 0.9dtex.
6g of methylated polyethylene wax and 100mL of deionized water are taken and stirred uniformly to obtain a methylated polyethylene wax solution.
Warping the pretreated fiber, weaving, heat setting at 110 deg.c for 55s, washing, drying, and coating methylated polyethylene wax solution in 10g/m amount 2 Drying to obtain the antibacterial warm-keeping yarn-dyed fabric, wherein the weight ratio of the methylated polyethylene wax solution to the fabric is controlled to be 1:3.
example 4: the amino nano silver was modified without adding tannic acid, and the rest was the same as in example 1.
Step one: preparation of modified nano silver:
taking 500mL of deionized water, cooling to 7 ℃, adding 18mL of 1% silver nitrate solution and 18mL of ethylenediamine, adding 9mL of 300mmol/L sodium borohydride, stirring for 4min, dialyzing for 12h, and drying to obtain the amino nano silver.
Silver nitrate is supplied by Shanghai Ala Biochemical technologies Co.
Step two: preparation of quercetin-nano silver complex:
dripping 1mol/L sodium hydroxide into 3g quercetin, regulating pH to 10.5, adding 1g amino nano silver, heating to 65deg.C, reacting for 9 hr, centrifuging, washing, and drying to obtain quercetin-nano silver compound.
Step three: preparation of methylated polyethylene wax:
taking 20g of polyethylene wax and 40mL of methanol, uniformly mixing, adding 2.5g of hydrochloric acid, continuously stirring for 12min, heating to 78 ℃, reacting for 22h, washing and drying to obtain the methylated polyethylene wax.
Step four: preparation of yarn-dyed fabric
Dissolving quercetin-nano silver compound in deionized water, adjusting the concentration of the quercetin-nano silver compound to be 0.25g/mL, adding hydrochloric acid, adjusting the pH value to be 6, and heating to 48 ℃ to obtain an antibacterial solution; taking 55% of cotton fibers and 45% of acrylic fibers, scouring, bleaching and dyeing, and soaking the fibers in an antibacterial solution for treatment, wherein the weight ratio of the antibacterial solution to the fibers is 1:3, heating to 92 ℃ at 2 ℃/min, preserving heat for 1.5h, washing and drying to obtain the fiber treated by the antibacterial solution.
Dissolving laccase in deionized water, regulating the concentration of laccase to 5.5g/L, adding hydrochloric acid, regulating the pH value to 5 to obtain laccase solution, adding fiber treated by the antibacterial solution, wherein the weight ratio of the laccase solution to the fiber treated by the antibacterial solution is 1:3, reacting for 5 hours at 70 ℃, heating to 85 ℃, preserving heat for 30 minutes, washing and drying to obtain the pretreated fiber.
Laccase: aspergillus species, supplied by the Synbiotics biotechnology Co.Ltd.
Cotton fiber: the length is 26mm, and the fineness is 1.63dtex; acrylic fiber: the length is 38mm and the fineness is 0.9dtex.
6g of methylated polyethylene wax and 100mL of deionized water are taken and stirred uniformly to obtain a methylated polyethylene wax solution.
Warping the pretreated fiber, weaving, heat setting at 105 deg.c for 53s, washing, drying, and coating methylated polyethylene wax solution in 10g/m 2 Drying to obtain the antibacterial warm-keeping yarn-dyed fabric, wherein the weight ratio of the methylated polyethylene wax solution to the fabric is controlled to be 1:3.
example 5: the laccase solution was not impregnated, and the rest was the same as in example 1.
Step one: preparation of modified nano silver:
taking 500mL of deionized water, cooling to 7 ℃, adding 18mL of 1% silver nitrate solution and 18mL of ethylenediamine, adding 9mL of 300mmol/L sodium borohydride, stirring for 4min, dialyzing for 12h, and drying to obtain the amino nano silver.
Silver nitrate is supplied by Shanghai Ala Biochemical technologies Co.
Taking 0.2g of amination nano silver and 20mL of deionized water, uniformly stirring, adding 0.4g of tannic acid solution with the concentration of 40mg/mL, and continuously stirring for 2.5h to obtain the modified nano silver.
Step two: preparation of quercetin-nano silver complex:
dripping 1mol/L sodium hydroxide into 3g quercetin, adjusting pH to 10.5, adding 1g modified nano silver, heating to 65deg.C, reacting for 9 hr, centrifuging, washing, and drying to obtain quercetin-nano silver compound.
Step three: preparation of methylated polyethylene wax:
taking 20g of polyethylene wax and 40mL of methanol, uniformly mixing, adding 2.5g of hydrochloric acid, continuously stirring for 12min, heating to 78 ℃, reacting for 22h, washing and drying to obtain the methylated polyethylene wax.
Step four: preparation of yarn-dyed fabric
Dissolving quercetin-nano silver compound in deionized water, regulating the concentration of the quercetin-nano silver compound to 0.25g/mL, adding hydrochloric acid, regulating the pH value to 6, and heating to 48 ℃ to obtain the antibacterial solution. Taking 55% of cotton fibers and 45% of acrylic fibers, scouring, bleaching and dyeing, and soaking the fibers in an antibacterial solution for treatment, wherein the weight ratio of the antibacterial solution to the fibers is 1:3, heating to 92 ℃ at 2 ℃/min, preserving heat for 1.5h, washing and drying to obtain the fiber treated by the antibacterial solution.
Cotton fiber: the length is 26mm, and the fineness is 1.63dtex; acrylic fiber: the length is 38mm and the fineness is 0.9dtex.
6g of methylated polyethylene wax and 100mL of deionized water are taken and stirred uniformly to obtain a methylated polyethylene wax solution.
Warping and weaving the fiber treated by the antibacterial solution, heat setting for 53s at 105 ℃, washing and drying, and coating the woven fabric with a methylated polyethylene wax solution with the coating weight of 10g/m 2 Drying to obtain the antibacterial warm-keeping yarn-dyed fabric, wherein the weight ratio of the methylated polyethylene wax solution to the fabric is controlled to be 1:3.
example 6: the methylation reaction of the polyethylene wax was not performed, and the rest was the same as in example 1.
Step one: preparation of modified nano silver:
taking 500mL of deionized water, cooling to 7 ℃, adding 18mL of 1% silver nitrate solution and 18mL of ethylenediamine, adding 9mL of 300mmol/L sodium borohydride, stirring for 4min, dialyzing for 12h, and drying to obtain the amino nano silver.
Silver nitrate is supplied by Shanghai Ala Biochemical technologies Co.
Taking 0.2g of amination nano silver and 20mL of deionized water, uniformly stirring, adding 0.4g of tannic acid solution with the concentration of 40mg/mL, and continuously stirring for 2.5h to obtain the modified nano silver.
Step two: preparation of quercetin-nano silver complex:
dripping 1mol/L sodium hydroxide into 3g quercetin, adjusting pH to 10.5, adding 1g modified nano silver, heating to 65deg.C, reacting for 9 hr, centrifuging, washing, and drying to obtain quercetin-nano silver compound.
Step three: preparation of yarn-dyed fabric
Dissolving quercetin-nano silver compound in deionized water, regulating the concentration of the quercetin-nano silver compound to 0.25g/mL, adding hydrochloric acid, regulating the pH value to 6, and heating to 48 ℃ to obtain the antibacterial solution. Taking 55% of cotton fibers and 45% of acrylic fibers, scouring, bleaching and dyeing, and soaking the fibers in an antibacterial solution for treatment, wherein the weight ratio of the antibacterial solution to the fibers is 1:3, heating to 92 ℃ at 2 ℃/min, preserving heat for 1.5h, washing and drying to obtain the fiber treated by the antibacterial solution.
Dissolving laccase in deionized water, regulating the concentration of laccase to 5.5g/L, adding hydrochloric acid, regulating the pH value to 5 to obtain laccase solution, adding fiber treated by the antibacterial solution, wherein the weight ratio of the laccase solution to the fiber treated by the antibacterial solution is 1:3, reacting for 5 hours at 70 ℃, heating to 85 ℃, preserving heat for 30 minutes, washing and drying to obtain the pretreated fiber.
Laccase: aspergillus species, supplied by the Synbiotics biotechnology Co.Ltd.
Cotton fiber: the length is 26mm, and the fineness is 1.63dtex; acrylic fiber: the length is 38mm and the fineness is 0.9dtex.
6g of polyethylene wax and 100mL of deionized water are taken and stirred uniformly to obtain a polyethylene wax solution.
Warping the pretreated fiber, weaving, heat setting at 105 deg.c for 53s, washing, drying, and coating polyethylene wax solution in the amount of 10g/m 2 Drying to obtain the antibacterial warm-keeping yarn-dyed fabric, wherein the weight ratio of the polyethylene wax solution to the fabric is controlled to be 1:3.
example 7: quercetin was not added, and the rest was the same as in example 1.
Step one: preparation of modified nano silver:
taking 500mL of deionized water, cooling to 7 ℃, adding 18mL of 1% silver nitrate solution and 18mL of ethylenediamine, adding 9mL of 300mmol/L sodium borohydride, stirring for 4min, dialyzing for 12h, and drying to obtain the amino nano silver.
Silver nitrate is supplied by Shanghai Ala Biochemical technologies Co.
Taking 0.2g of amination nano silver and 20mL of deionized water, uniformly stirring, adding 0.4g of tannic acid solution with the concentration of 40mg/mL, and continuously stirring for 2.5h to obtain the modified nano silver.
Step two: preparation of methylated polyethylene wax:
taking 20g of polyethylene wax and 40mL of methanol, uniformly mixing, adding 2.5g of hydrochloric acid, continuously stirring for 12min, heating to 78 ℃, reacting for 22h, washing and drying to obtain the methylated polyethylene wax.
Step four: preparation of yarn-dyed fabric
Dissolving the modified nano silver in deionized water, adjusting the concentration of the modified nano silver to 0.25g/mL, adding hydrochloric acid, adjusting the pH value to 6, and heating to 48 ℃ to obtain the antibacterial solution. Taking 55% of cotton fibers and 45% of acrylic fibers, boiling, bleaching and dyeing, and soaking the fibers in an antibacterial solution for processing, wherein the weight ratio of the antibacterial solution to the fibers is 1:3, heating to 92 ℃ at 2 ℃/min, preserving heat for 1.5h, washing and drying to obtain the fiber treated by the antibacterial solution.
Dissolving laccase in deionized water, regulating the concentration of laccase to 5.5g/L, adding hydrochloric acid, regulating the pH value to 5 to obtain laccase solution, adding fiber treated by the antibacterial solution, wherein the weight ratio of the laccase solution to the fiber treated by the antibacterial solution is 1:3, reacting for 5 hours at 70 ℃, heating to 85 ℃, preserving heat for 30 minutes, washing and drying to obtain the pretreated fiber.
Laccase: aspergillus species, supplied by the Synbiotics biotechnology Co.Ltd.
Cotton fiber: the length is 26mm, and the fineness is 1.63dtex; acrylic fiber: the length is 38mm and the fineness is 0.9dtex.
6g of methylated polyethylene wax and 100mL of deionized water are taken and stirred uniformly to obtain a methylated polyethylene wax solution.
Warping the pretreated fiber, weaving, heat setting at 105 deg.c for 53s, washing, drying, and coating methylated polyethylene wax solution in 10g/m 2 Drying to obtain the antibacterial warm-keeping yarn-dyed fabric, wherein the weight ratio of the methylated polyethylene wax solution to the fabric is controlled to be 1:3.
experiment
The thickness of the product obtained in examples 1 to 7 was 1.40mm and the areal density was 210g/m 2 Performance testing was performed on the yarn-dyed fabric of (c) and the data obtained are shown in the following table:
according to GB/T3920-2008, a yarn-dyed fabric is cut into a sample of 40mm multiplied by 100mm, the sample is placed into a stainless steel with 5g/L soap solution, and the sample is stirred in a washing fastness tester for 1h at 35 ℃ with a bath ratio of 1:45, so that the washing fastness is tested. According to GB/T209444.3-2008, a yarn-dyed fabric is cut into a sample with the length of 6mm multiplied by 6mm, sterilized, inoculated with staphylococcus aureus bacterial liquid, cultured for 20 hours at 36 ℃, and tested for the antibacterial rate. According to GB/T35762-2017, the thermal resistance of the yarn-dyed fabric is tested at 65% RH and 20 ℃ for 40min by using a YG606 fabric thermal resistance meter, and the obtained data are shown in the following table:
| fastness to washing to discoloration | Antibacterial rate | Coefficient of thermal conductivity/(W.m) -1 ·K -1 ） | |
| Example 1 | 4-5 grade | 92.6% | 31.2 |
| Example 2 | 4-5 grade | 91.9% | 31.1 |
| Example 3 | 4-5 grade | 92.7% | 30.8 |
| Example 4 | 4-5 grade | 87.3% | 31.0 |
| Example 5 | 3-4 grade | 92.2% | 31.4 |
| Example 6 | 4-5 grade | 91.4% | 35.6 |
| Example 7 | 3-4 grade | 85.6% | 30.8 |
Conclusion: as is clear from the comparison of the data on the surface, in example 4, the amino nano silver is modified without adding tannic acid, the quercetin can not be firmly fixed on the surface of the nano silver, the stability of the quercetin is poor, and the antibacterial property of the yarn-dyed fabric is affected. In example 5, the fiber treated with the antibacterial solution is not immersed in the laccase solution, and the polyphenol in the quercetin cannot react with the laccase, so that the dyed fabric has a color fixing effect, and the soaping fastness is poor. In example 6, the methylation reaction of the polyethylene wax is not performed, so that the polyethylene wax cannot be firmly loaded on the yarn-dyed fabric, the heat conductivity of the yarn-dyed fabric is increased, and the heat retention is poor. Example 7 was poor in antibacterial property and color fastness without adding quercetin.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A preparation process of an antibacterial warm-keeping yarn-dyed fabric is characterized by comprising the following steps of: the method comprises the following steps:
step one: dissolving quercetin-nano silver compound in deionized water, adding hydrochloric acid, adjusting pH value to 6-6.5, and heating to 45-50deg.C to obtain antibacterial solution; taking mixed fibers, boiling, bleaching and dyeing, soaking the mixed fibers in an antibacterial solution for treatment, then heating to 90-95 ℃ at 1-3 ℃/min, preserving heat for 1-2h, washing and drying to obtain the fibers treated by the antibacterial solution;
step two: dissolving laccase in deionized water, adding hydrochloric acid, adjusting pH to 5-5.5 to obtain laccase solution, adding fiber treated by antibacterial solution, reacting at 50-80deg.C for 4-6 hr, heating to 80-90deg.C, maintaining the temperature for 20-40min, washing, and drying to obtain pretreated fiber;
step three: uniformly stirring methylated polyethylene wax and deionized water to obtain a methylated polyethylene wax solution; warping and weaving the pretreated fiber, performing heat setting at 100-110 ℃ for 50-55s, washing and drying, coating a methylated polyethylene wax solution on the woven fabric, and drying to obtain the antibacterial and warm-keeping yarn-dyed fabric.
2. The process for preparing the antibacterial warm-keeping yarn-dyed fabric according to claim 1, which is characterized in that: the mixed fiber comprises the following components in parts by weight: 45-60% of cotton fiber and 40-55% of acrylic fiber.
3. The process for preparing the antibacterial warm-keeping yarn-dyed fabric according to claim 1, which is characterized in that: in the first step, the preparation method of the quercetin-nano silver compound comprises the following steps: dripping sodium hydroxide into quercetin, adjusting pH to 10-11, adding modified nano silver, heating to 60-70deg.C, reacting for 8-10 hr, centrifuging, washing, and drying to obtain quercetin-nano silver compound.
4. The process for preparing the antibacterial warm-keeping yarn-dyed fabric according to claim 3, wherein the process comprises the following steps: the preparation method of the modified nano silver comprises the following steps: and (3) taking the aminated nano silver and deionized water, uniformly stirring, adding the tannic acid solution, and continuously stirring for 2-3 hours to obtain the modified nano silver.
5. The process for preparing the antibacterial warm-keeping yarn-dyed fabric according to claim 4, which is characterized in that: the preparation method of the aminated nano silver comprises the following steps: and (3) taking deionized water, cooling to 5-10 ℃, adding silver nitrate solution and ethylenediamine, adding sodium borohydride, stirring for 2-5min, dialyzing for 10-14h, and drying to obtain the amino nano silver.
6. The process for preparing the antibacterial warm-keeping yarn-dyed fabric according to claim 1, which is characterized in that: the preparation method of the methylated polyethylene wax comprises the following steps: mixing polyethylene wax and methanol uniformly, adding hydrochloric acid, stirring for 10-15min, heating to 75-80 ℃, reacting for 20-24h, washing, and drying to obtain methylated polyethylene wax.
7. The process for preparing the antibacterial warm-keeping yarn-dyed fabric according to claim 2, which is characterized in that: the length of the cotton fiber is 25-28mm, and the length of the acrylic fiber is 35-40mm.
8. The process for preparing the antibacterial warm-keeping yarn-dyed fabric according to claim 1, which is characterized in that: in the antibacterial solution, the concentration of the quercetin-nano silver compound is 0.2-0.3g/mL; in the laccase solution, the concentration of laccase is 5-6g/L.
9. An antibacterial warm-keeping yarn-dyed fabric prepared by the preparation process of any one of claims 1 to 8.
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