CN115323549A - Antibacterial fluffy blended cotton yarn and production process thereof - Google Patents
Antibacterial fluffy blended cotton yarn and production process thereof Download PDFInfo
- Publication number
- CN115323549A CN115323549A CN202210887367.4A CN202210887367A CN115323549A CN 115323549 A CN115323549 A CN 115323549A CN 202210887367 A CN202210887367 A CN 202210887367A CN 115323549 A CN115323549 A CN 115323549A
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- CN
- China
- Prior art keywords
- cotton
- antibacterial
- yarn
- fiber
- fluffy
- 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.)
- Granted
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 179
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 134
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 101
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 69
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 49
- 229920000728 polyester Polymers 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000000284 extract Substances 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 35
- -1 polypropylene Polymers 0.000 claims abstract description 30
- 238000002156 mixing Methods 0.000 claims abstract description 29
- 238000002791 soaking Methods 0.000 claims abstract description 26
- 230000003385 bacteriostatic effect Effects 0.000 claims abstract description 25
- 239000012792 core layer Substances 0.000 claims abstract description 23
- 230000003449 preventive effect Effects 0.000 claims abstract description 22
- 239000004743 Polypropylene Substances 0.000 claims abstract description 21
- 229920001155 polypropylene Polymers 0.000 claims abstract description 21
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 20
- 240000008790 Musa x paradisiaca Species 0.000 claims abstract description 14
- 235000018290 Musa x paradisiaca Nutrition 0.000 claims abstract description 14
- 239000010410 layer Substances 0.000 claims abstract description 14
- 241000208680 Hamamelis mollis Species 0.000 claims abstract description 13
- 239000006185 dispersion Substances 0.000 claims abstract description 13
- 229940118846 witch hazel Drugs 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 238000009991 scouring Methods 0.000 claims abstract description 9
- 239000003513 alkali Substances 0.000 claims abstract description 7
- 238000005406 washing Methods 0.000 claims description 34
- 238000001035 drying Methods 0.000 claims description 30
- 108010022355 Fibroins Proteins 0.000 claims description 21
- 239000007864 aqueous solution Substances 0.000 claims description 17
- 238000009960 carding Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 17
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 16
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 16
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- 238000007598 dipping method Methods 0.000 claims description 10
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 239000000839 emulsion Substances 0.000 claims description 8
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 239000004814 polyurethane Substances 0.000 claims description 8
- 101710140609 Polyvinylalcohol dehydrogenase Proteins 0.000 claims description 7
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 7
- 239000004088 foaming agent Substances 0.000 claims description 7
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- 240000005001 Paeonia suffruticosa Species 0.000 claims description 6
- 235000003889 Paeonia suffruticosa Nutrition 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 6
- 229960001763 zinc sulfate Drugs 0.000 claims description 6
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 6
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 5
- 239000001575 punica granatum l. bark extract Substances 0.000 claims description 5
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 claims description 3
- 229940072056 alginate Drugs 0.000 claims description 3
- 235000010443 alginic acid Nutrition 0.000 claims description 3
- 229920000615 alginic acid Polymers 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 2
- 229920001661 Chitosan Polymers 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 2
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 2
- 230000002045 lasting effect Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000009987 spinning Methods 0.000 abstract description 3
- 238000009210 therapy by ultrasound Methods 0.000 abstract 2
- 230000000052 comparative effect Effects 0.000 description 19
- 230000002829 reductive effect Effects 0.000 description 13
- 241000588724 Escherichia coli Species 0.000 description 10
- 241000191967 Staphylococcus aureus Species 0.000 description 9
- 239000004744 fabric Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 230000005764 inhibitory process Effects 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 5
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 4
- 125000003172 aldehyde group Chemical group 0.000 description 4
- 230000003115 biocidal effect Effects 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 229920001864 tannin Polymers 0.000 description 4
- 239000001648 tannin Substances 0.000 description 4
- 235000018553 tannin Nutrition 0.000 description 4
- 239000004753 textile Substances 0.000 description 4
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 3
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 3
- 244000269722 Thea sinensis Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 description 3
- PLKATZNSTYDYJW-UHFFFAOYSA-N azane silver Chemical compound N.[Ag] PLKATZNSTYDYJW-UHFFFAOYSA-N 0.000 description 3
- 239000008103 glucose Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000001814 pectin Substances 0.000 description 3
- 235000010987 pectin Nutrition 0.000 description 3
- 229920001277 pectin Polymers 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 241001116389 Aloe Species 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 244000294611 Punica granatum Species 0.000 description 2
- 235000014360 Punica granatum Nutrition 0.000 description 2
- 239000002262 Schiff base Substances 0.000 description 2
- 150000004753 Schiff bases Chemical class 0.000 description 2
- 235000011399 aloe vera Nutrition 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 239000003242 anti bacterial agent Substances 0.000 description 2
- 229940121375 antifungal agent Drugs 0.000 description 2
- 239000003429 antifungal agent Substances 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229940104640 chinese yam extract Drugs 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000016337 monopotassium tartrate Nutrition 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- KYKNRZGSIGMXFH-ZVGUSBNCSA-M potassium bitartrate Chemical compound [K+].OC(=O)[C@H](O)[C@@H](O)C([O-])=O KYKNRZGSIGMXFH-ZVGUSBNCSA-M 0.000 description 2
- 229940086065 potassium hydrogentartrate Drugs 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 229920002101 Chitin Polymers 0.000 description 1
- 208000002197 Ehlers-Danlos syndrome Diseases 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011858 nanopowder Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000000419 plant extract Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/449—Yarns or threads with antibacterial properties
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
-
- 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
- D06M11/73—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 carbon or compounds thereof
- D06M11/74—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 carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
-
- 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
-
- 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
-
- 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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/20—Cellulose-derived artificial fibres
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/06—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Artificial Filaments (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The application relates to the technical field of spinning, and particularly discloses an antibacterial fluffy blended cotton yarn and a production process thereof. The fluffy cotton blended yarn comprises a core layer yarn and a shell layer yarn wound on the core layer yarn, wherein the core layer yarn comprises soluble fibers and antibacterial polypropylene filaments; the shell yarn comprises cotton fibers and hollow coffee carbon polyester fibers; the cotton fiber is pretreated by the following steps: scouring cotton fiber with alkali liquor to prepare pretreated cotton fiber; adding the banana peel extract, the moutan bark extract and the witch hazel extract into water, uniformly mixing to prepare an antibacterial mildew preventive, uniformly mixing the pretreated cotton fiber and the antibacterial mildew preventive, and performing ultrasonic treatment to prepare antibacterial treated cotton fiber; and soaking the antibacterial treated cotton fiber in a dispersion liquid containing graphene oxide, a penetrating agent and water, and carrying out ultrasonic treatment and reduction to obtain the pretreated cotton fiber. The bacteriostatic fluffy blended cotton yarn has the advantages of good fluffiness, high bacteriostatic rate and lasting bacteriostatic effect.
Description
Technical Field
The application relates to the technical field of spinning, in particular to antibacterial fluffy blended cotton yarn and a production process thereof.
Background
The towel textile is a daily textile with very high use frequency, the cotton towel uses untwisted yarn, the terry of the towel is fluffy and soft, is used for wiping the face and cleaning the body, has no difference in standing feeling and softness, and is praised as a beauty and skin care towel. However, the product is soft like cotton wool because the viscosity of cohesive force of the fiber is relieved, the yarn is changed into parallel loose fibers, the structure fastness is lost, the down falling rate in the washing process is high, the use frequency is greatly reduced, the product is easy to dare for use, the use range of untwisted yarn products is greatly reduced, the looped pile is in a loose fiber state, the elasticity is also obviously deficient, and the texture of people is soft and has surplus, and the fluffiness is insufficient.
The cotton towels are usually placed in environments with high humidity such as bathrooms and the like, bacteria are easy to breed, peculiar smell is generated, sugar in cotton fibers can even be used as nutrient substances of microorganisms under proper conditions, and not only can the color of the fabrics be changed and the mechanical property be damaged, but also the health of human bodies can be threatened. There are generally three methods of imparting antimicrobial properties to fabrics: the finishing method is that the antibacterial finishing agent is combined on the fabric according to a certain process, and the method generally has difficulty in giving consideration to the indexes of antibacterial performance, hand feeling and antibacterial durability; the method has the disadvantages that the added antibacterial fibers such as bamboo, hemp, chitin and the like have poor self antibacterial property, so that a large amount of antibacterial fibers with the content of at least more than 30 percent need to be added into the fabric, but the comfort and the hand feeling of the towel are influenced; the other method is a surface metal sputtering mode, a silver layer is generally plated on the fabric to obtain antibacterial performance, but the plant surface obtained by the method has obvious metal texture and is not suitable for towels.
In view of the above-mentioned related technologies, the inventors found that it is difficult for the current towel textiles to simultaneously satisfy the effects of plump pile, fluffy and soft texture and durable antibacterial effect.
Disclosure of Invention
In order to improve the effects of plump, fluffy and soft towel suede and lasting antibiosis, the application provides the antibacterial fluffy yarn and the production process thereof.
The first aspect provides a fluffy blending cotton yarn of antibacterial, adopts following technical scheme:
the bacteriostatic fluffy blended cotton yarn comprises a core layer yarn and shell layer yarn wound on the core layer yarn, wherein the core layer yarn comprises the following raw materials in parts by weight: 20-30 parts of soluble fiber and 20-30 parts of antibacterial polypropylene filament; the shell yarn comprises the following raw materials in parts by weight: 60-65 parts of cotton fiber and 20-35 parts of hollow coffee carbon polyester fiber;
the cotton fiber is pretreated by the following steps: scouring the cotton fibers with alkali liquor at a water-bath ratio of 1;
adding the banana peel extract, the moutan bark extract and the witch hazel extract into water, uniformly mixing to prepare an antibacterial mildew preventive, uniformly mixing the pretreated cotton fiber and the antibacterial mildew preventive according to a water bath ratio of 1;
soaking the antibacterial treated cotton fiber in a dispersion liquid containing graphene oxide, a penetrating agent and water, performing ultrasonic dispersion for 30-60min, washing, drying, reducing with sodium hydrosulfite, washing, and drying to obtain the pretreated cotton fiber, wherein the water bath ratio of the antibacterial treated cotton fiber to the dispersion liquid is 1.
By adopting the technical scheme, the hollow coffee carbon polyester fiber and the cotton fiber are used as shell yarns, the hollow coffee carbon polyester fiber is prepared by processing coffee grounds into master batches through high-temperature calcination and grinding of nano powder, blending the master batches with polyester chips and spinning, has an obvious circular middle cavity structure, is attached with fine and smooth nano coffee carbon particles, has excellent high-strength, high elasticity and tensile property and more crimpling number, is used as the shell yarns of the cotton yarns together with the cotton fiber, increases the fluffiness of the cotton yarns, and has light weight, large specific surface area and strong adsorption capacity, so that the cotton yarns have the effects of emitting negative ions, inhibiting bacteria, deodorizing, resisting ultraviolet rays and the like, and the antibacterial durability of the cotton yarns is enhanced; and taking soluble fiber and antibacterial polypropylene filament as core layer yarn, coating the shell layer yarn on the core layer yarn, and dissolving the soluble fiber in the core layer yarn to obtain the three-dimensional cotton yarn.
Although the hollow coffee carbon polyester fiber and the antibacterial polypropylene fiber in the core layer yarn have antibacterial property, other antibacterial components are added into the cotton yarn to improve the antibacterial property of the cotton yarn, but the cotton fiber does not have the antibacterial effect per se, so that the cotton fiber in the cotton yarn has the possibility of breeding bacteria, the cotton fiber is steamed and boiled by alkali liquor to remove cotton wax and pectin on the surface of the cotton fiber, then the internal structure of the cotton fiber is changed by utilizing the ultrasonic effect, the accessibility is improved, the components of the antibacterial mildew preventive, namely the banana peel extract, the tree peony bark extract and the witch hazel extract, are decomposed into smaller particles, the antibacterial mildew preventive is promoted to enter the interior of the cotton fiber and be firmly combined with the cotton fiber, in addition, the molecular motion is accelerated under the ultrasonic effect, and the improvement degree of the antibacterial mildew preventive on the cotton fiber is accelerated; the banana peel extract contains tannin, organic acid and the like, has an antibacterial effect on escherichia coli, staphylococcus aureus and the like, is firmly combined with cotton fibers with the help of the tannin in the witch hazel, reduces falling caused by washing, improves the surface antibacterial property and antibacterial durability of the cotton fibers, improves the antibacterial property of the cotton fibers by using the plant extract component, and has safe components; and then, using a dispersion liquid prepared from graphene oxide, a penetrating agent and water, wherein under the action of ultrasonic waves, the graphene oxide has a curling power, the graphene oxide is contacted with the cotton fibers under the action of the penetrating agent and the ultrasonic waves, then, the continuous ultrasonic waves promote the graphene oxide to curl, and gradually coat the cotton fibers until the cotton fibers are tightly coated, and the ultrasonic waves can also enable the graphene oxide to be uniformly dispersed.
Optionally, in the antibacterial and antifungal agent, the mass ratio of the banana peel extract, the tree peony bark extract, the witch hazel extract and the water is (0.3-0.5): (0.1-0.3): (0.06-0.08): 1.
By adopting the technical scheme, the banana peel extract contains tannin, so that the inhibition effect on bacteria is strong, the cortex moutan extract has a remarkable antibacterial effect on escherichia coli and staphylococcus aureus, and the witch hazel extract also contains tannin which can be used as a plant functional factor, so that the combination stability of the banana peel extract and cotton fibers is effectively enhanced, and the durability is improved.
Optionally, in the dispersion liquid, the mass ratio of the graphene oxide, the penetrating agent, the water and the sodium hydrosulfite is (0.5-1): 0.01-0.05): 100: (0.45-0.5).
By adopting the technical scheme, the surface of the cotton fiber is tightly coated by the graphene oxide, and the graphene oxide is reduced by the sodium hydrosulfite, so that the surface antibacterial property of the cotton fiber is improved, and the durability of the antibacterial mildew preventive on the cotton fiber is improved.
Optionally, the soluble fiber is one or more of water-soluble polyvinyl alcohol fiber, water-soluble chitosan fiber, alginate fiber and carboxymethyl cellulose fiber.
By adopting the technical scheme, the soluble fiber is taken as a core yarn raw material to be coated in the shell yarn, and then is removed by water dissolving, so that the cotton yarn forms a hollow tubular structure, thereby obtaining super fluffy and soft quality and giving full, soft, comfortable and elastic skin-pleasing feeling to people.
Optionally, the alkali solution for boiling-off is 3-6g/L sodium hydroxide aqueous solution, the boiling-off temperature is 80-90 deg.C, and the boiling-off time is 60-80min.
By adopting the technical scheme, the cotton fiber is a common natural cellulose fiber and has a unicellular biological structure, the outermost layer is a cuticle which mainly comprises cotton wax, pectin and protein, a natural protective layer of the cotton fiber is formed, the combination of the cotton fiber and the antibacterial mildew preventive is seriously influenced, the sodium hydroxide aqueous solution is used for carrying out alkali liquor scouring treatment, the fabric and the pectin on the surface of the cotton fiber are removed, so that the components of the antibacterial mildew preventive are easier to enter the interior of the cotton fiber and are combined with the cotton fiber, and the antibacterial property of the cotton fiber is improved.
In a second aspect, the application provides a production process of antibacterial fluffy blended cotton yarn, which adopts the following technical scheme: a production process of antibacterial fluffy blended cotton yarn comprises the following steps:
opening, carding and drawing the hollow coffee carbon polyester fibers and the cotton fibers to prepare shell yarns;
mixing soluble fiber and antibacterial polypropylene filament, and opening, carding and drawing to obtain core yarn;
and drawing and twisting the shell layer yarn and the core layer yarn to prepare mixed yarn, soaking the mixed yarn in water at 90-95 ℃, washing, drying, soaking in an antibacterial finishing liquid, padding, and drying to prepare the cotton yarn.
By adopting the technical scheme, the hollow coffee carbon polyester fiber and the cotton fiber are drawn to form the shell yarn, then the shell yarn is drawn and coated with the core yarn formed by the soluble fiber and the antibacterial polypropylene filament, then the soluble fiber is dissolved by water, the antibacterial polypropylene filament is used as the core layer, and the antibacterial finishing liquid is dipped to enhance the antibacterial durability of the cotton yarn.
Optionally, the hollow coffee carbon polyester fiber is pretreated by the following steps: mixing hollow coffee carbon polyester fiber and polyvinyl alcohol aqueous solution, heating to 130-140 ℃, preserving heat, dipping for 3-5h, cooling, taking out the hollow coffee carbon polyester fiber, then dipping in polyvinyl alcohol dehydrogenase aqueous solution, adjusting pH to 6-7.5, dipping for 10-20min at 30-35 ℃, washing with water, drying, dipping in fibroin nano-silver solution, dipping for 30-40min at 60-65 ℃, washing with water, and drying.
By adopting the technical scheme, no reactive group for grafting is arranged on the hollow coffee carbon polyester fiber, the hollow coffee carbon polyester fiber can move in a molecular chain segment at high temperature, so that the hollow coffee carbon polyester fiber and polyvinyl alcohol react at high temperature, the polyvinyl alcohol is embedded into the hollow coffee carbon polyester fiber, the polyvinyl alcohol has rich hydroxyl groups, so that rich reaction sites can be provided, the hydroxyl groups on the polyvinyl alcohol are oxidized into aldehyde groups by polyvinyl alcohol dehydrogenase, the aldehyde groups on the polyvinyl alcohol can be chemically combined with amino groups on fibroin nano-silver by Schiff base, and the fibroin acetate coated nano-silver and the hollow coffee carbon polyester fiber generate firm chemical bond combination, so that the fibroin nano-silver is not easy to fall off, and the antibacterial property and the antibacterial durability of the hollow coffee carbon polyester fiber are further improved.
Optionally, the antibacterial finishing liquid is prepared by the following method:
adding 0.023-0.025 parts of rare earth gadolinium nitrate, 0.15-0.18 parts of zinc sulfate and 1-1.5 parts of water into 1 part of diatom ooze by weight, heating to 80-90 ℃, preserving heat and stirring for 1-2 hours, adding 0.05-0.08 part of sodium dodecyl benzene sulfonate, continuing stirring for 20-30min, cooling and filtering, drying for 2-3 hours at 110-120 ℃, and grinding to obtain modified diatom ooze;
mixing 5-8 parts of aqueous polyurethane emulsion, 0.5-2 parts of pomegranate bark extract, 0.5-1 part of foaming agent, 0.1-0.5 part of silane coupling agent and 3-5 parts of modified diatom ooze to prepare the antibacterial finishing liquid.
By adopting the technical scheme, the diatom ooze has a large specific surface area, the surface of the diatom ooze contains a large number of hydroxyl groups, zinc ions are used as antibacterial ions, rare earth gadolinium ions are used as synergistic ions, the diatom ooze is used as an antibacterial carrier, sodium dodecyl benzene sulfonate is used for improving the dispersibility of the diatom ooze, and the modified diatom ooze which is small and uniform in particle size, large in specific surface area and good in sterilization effect on escherichia coli and the like is prepared after grinding; and then mixing the modified diatom ooze with aqueous polyurethane emulsion and the like, wherein the aqueous polyurethane emulsion can enable the antibacterial finishing liquid to have viscosity, so that the antibacterial finishing liquid is attached to the cotton yarn, the foaming agent can increase the contact area of the antibacterial finishing liquid and the cotton yarn, and the silane coupling agent can improve the compatibility among all components in the antibacterial finishing liquid, so that the cotton yarn is fully impregnated.
Optionally, the cotton carding process parameters of the soluble fiber and the antibacterial polypropylene filament are as follows: the speed of a cylinder is 300-330r/min, the rotating speed of a licker-in is 700-720r/min, the speed of a cover plate is 117-120mm/min, the speed of a doffer is 20-25r/min, the distance between the cylinder and the licker-in is 0.18-0.2mm, the mechanical draft multiple is 94-100 times, and the tension draft multiple is 1.37-1.4 times;
the rotating speed of the opening and feeding roller of the hollow coffee carbon polyester fibers and the cotton fibers is 2.36-2.6r/min, the rotating speed of the opening roller is 937-950r/min, the rotating speed of a cylinder during cotton carding is 858-870r/min, the rotating speed of a doffer is 10-15r/min, and the rotating speed of the feeding roller is 0.8-1r/min.
Optionally, the twist of the mixed yarn is 90-120 twist/10 cm, and the draft multiple is 1.05-1.29.
By adopting the technical scheme, the viscosity of the blended yarn is reasonably controlled, so that the cotton yarn has better fluffiness and better mechanical property.
In summary, the present application has the following beneficial effects:
1. because this application adopts cavity coffee carbon polyester fiber and cotton fiber as shell yarn, use soluble fiber and antibiotic polypropylene fibre filament as sandwich layer yarn, through the drawing, shell yarn cladding is on sandwich layer yarn, get rid of soluble fiber through water-soluble, make cotton yarn form hollow tubular structure, nevertheless still contain antibiotic polypropylene fibre filament in the hollow tubular structure, make cotton yarn utensil inside have certain long-term antibiotic effect, cavity coffee carbon polyester fiber has circular lumen structure, and adhere to nanometer coffee carbon particle, make the bacterinertness of cotton yarn good, and have certain fluffiness.
2. In the application, the banana peel extract, the tree peony bark extract and the witch hazel extract are preferably adopted as the antibacterial mildew preventive to pretreat the cotton fibers, then the graphene oxide is coated on the cotton fibers, and the graphene is formed by reduction of sodium hydrosulfite, the antibacterial mildew preventive can prevent the cotton fibers from mildewing or breeding bacteria from the inside, the graphene can prolong the washability of the antibacterial mildew preventive and prolong the antibacterial durability, and the graphene also has a certain antibacterial property and can improve the antibacterial effect of the cotton yarns.
3. According to the application, polyvinyl alcohol and hollow coffee carbon polyester fibers are subjected to high-temperature blending, so that the polyvinyl alcohol is embedded into the hollow coffee carbon polyester fibers, then hydroxyl groups on the polyvinyl alcohol are oxidized into aldehyde groups by using polyvinyl alcohol dehydrogenase, and then the aldehyde groups are chemically combined with amino groups on fibroin nano silver through Schiff base, so that the combination firmness of the fibroin nano silver and the hollow coffee carbon polyester fibers is improved, the antibacterial property of cotton yarns is enhanced, and the antibacterial durability is prolonged.
Detailed Description
Examples
Example 1: the antibacterial fluffy blended cotton yarn comprises a core layer yarn and a shell layer yarn wound on the core layer yarn, wherein the shell layer yarn comprises 65kg of cotton fiber and 35kg of hollow coffee carbon polyester fiber, and the core layer yarn comprises 30kg of soluble fiber and 30kg of antibacterial polypropylene filament; the specification of the antibacterial polypropylene filament is 50 Dx48F, the breaking strength is 2.05N, the breaking strength is 0.36N/tex, the elongation is 43.01%, the definite elongation strength is 1.49N, the quality length of the cotton fiber is 30.28mm, the short fiber rate is 12.56%, the linear density is 1.6dtex, the micronaire value is 4.76, the breaking specific strength is 28.27cN/dtex, the linear density of the hollow coffee carbon polyester fiber is 1.67dtex, the length is 38mm, the breaking strength is 5.12cN/dtex, the breaking elongation is 20.9%, and the initial modulus is 37.51cN/dtex.
The production process of the antibacterial fluffy blended cotton yarn comprises the following steps:
s1, opening, carding and drawing hollow coffee carbon polyester fibers and cotton fibers to prepare shell yarn, wherein the rotating speed of an opening feeding roller is 2.36r/min, the rotating speed of the opening roller is 937r/min, the rotating speed of a cylinder during carding is 858r/min, the rotating speed of a doffer is 10r/min, and the rotating speed of a feeding roller is 0.8r/min;
the cotton fiber is pretreated by the following steps: scouring cotton fiber with 3/gL sodium hydroxide water solution at water bath ratio of 1; adding 0.3kg of banana peel extract, 0.1kg of tree peony bark extract and 0.06kg of witch hazel extract into 1kg of water, uniformly mixing to prepare the antibacterial mildew preventive, uniformly mixing the pretreated cotton fiber and the antibacterial mildew preventive according to a water bath ratio of 1;
soaking the antibacterial treated cotton fiber in a dispersion liquid containing 0.5kg of graphene oxide, 0.01kg of penetrating agent JFC and 100kg of water, ultrasonically dispersing for 30min, washing, drying, reducing by using 0.45kg of sodium hydrosulfite, washing, and drying to obtain the pretreated cotton fiber, wherein the water-bath ratio of the antibacterial treated cotton fiber to the dispersion liquid is 1;
s2, mixing soluble fibers and antibacterial polypropylene filaments, opening, carding and drawing to obtain core layer yarn, wherein the carding cylinder speed is 300r/min, the licker-in rotating speed is 700r/min, the cover plate speed is 117r/min, the doffer speed is 20r/min, the distance between the cylinder and the licker-in is 0.18mm, the mechanical drawing multiple is 94 times, the tension drawing multiple is 1.37 times, and the soluble fibers are water-soluble polyvinyl alcohol fibers;
and S3, drawing and twisting the core layer yarn and the shell layer yarn to prepare mixed yarn, soaking the mixed yarn in water at 90 ℃ for 60min, washing, drying at 60 ℃, soaking in NSM-01A type antibacterial finishing liquid, padding and drying to prepare cotton yarn, wherein the viscosity of the mixed yarn is 90 twists/10 cm, and the drafting multiple is 1.05.
Example 2: an antibacterial fluffy blended cotton yarn comprises a core yarn and a shell yarn wound on the core yarn, wherein the shell yarn comprises 60kg of cotton fiber and 20kg of hollow coffee carbon polyester fiber as raw materials, and the core yarn comprises 20kg of soluble fiber and 20kg of antibacterial polypropylene filament yarn; the specification of the antibacterial polypropylene filament is 50 Dx48F, the breaking strength is 2.05N, the breaking strength is 0.36N/tex, the elongation is 43.01%, the fixed elongation strength is 1.49N, the quality length of the cotton fiber is 30.28mm, the short fiber rate is 12.56%, the linear density is 1.6dtex, the micronaire value is 4.76, the breaking specific strength is 28.27cN/dtex, the linear density of the hollow coffee carbon polyester fiber is 1.67dtex, the length is 38mm, the breaking strength is 5.12cN/dtex, the breaking elongation is 20.9%, and the initial modulus is 37.51cN/dtex.
The production process of the antibacterial fluffy blended cotton yarn comprises the following steps:
s1, opening, carding and drawing hollow coffee carbon polyester fibers and cotton fibers to prepare shell yarn, wherein the rotating speed of an opening feeding roller is 2.6r/min, the rotating speed of the opening roller is 950r/min, the rotating speed of a cylinder during carding is 870r/min, the rotating speed of a doffer is 15r/min, and the rotating speed of a feeding roller is 1r/min;
the cotton fiber is pretreated by the following steps: scouring cotton fiber with 6/gL sodium hydroxide aqueous solution at water bath ratio of 1; adding 0.5kg of banana peel extract, 0.3kg of tree peony bark extract and 0.08kg of witch hazel extract into 1kg of water, uniformly mixing to prepare the antibacterial mildew preventive, uniformly mixing the pretreated cotton fiber and the antibacterial mildew preventive according to a water bath ratio of 1;
soaking the antibacterial treated cotton fiber in a dispersion liquid containing 1kg of graphene oxide, 0.05kg of penetrating agent JFC and 100kg of water, ultrasonically dispersing for 60min, washing, drying, reducing by using 0.5kg of sodium hydrosulfite, washing and drying to obtain the pretreated cotton fiber, wherein the water bath ratio of the antibacterial treated cotton fiber to the dispersion liquid is 1;
s2, mixing soluble fibers and antibacterial polypropylene filaments, and opening, carding and drawing to obtain core layer yarns, wherein the speed of a carding cylinder is 330r/min, the rotating speed of a licker-in is 720r/min, the speed of a cover plate is 120r/min, the speed of a doffer is 25r/min, the distance between the cylinder and the licker-in is 0.2mm, the mechanical traction multiple is 100 times, the tension drafting multiple is 1.4 times, and the soluble fibers are alginate fibers;
and S3, drawing and twisting the core layer yarn and the shell layer yarn to prepare mixed yarn, soaking the mixed yarn in water at 90 ℃ for 60min, washing, drying at 60 ℃, soaking in NSM-01A type antibacterial finishing liquid, padding and drying to prepare cotton yarn, wherein the viscosity of the mixed yarn is 120 twists/10 cm, and the drawing multiple is 1.29.
Example 3: an antibacterial fluffy blended yarn is different from the yarn in example 1 in that the hollow coffee carbon polyester fiber is pretreated by the following steps:
mixing 1kg of hollow coffee carbon polyester fiber and 5kg of polyvinyl alcohol aqueous solution with the concentration of 3wt%, heating to 130 ℃, preserving heat, soaking for 5h, cooling, taking out the hollow coffee carbon polyester fiber, then soaking in 5kg of polyvinyl alcohol dehydrogenase aqueous solution with the concentration of 10wt%, adjusting the pH to 6, soaking for 20min at 30 ℃, washing, drying, soaking in 5kg of fibroin nano-silver solution, soaking for 40min at 60 ℃, washing and drying, wherein the fibroin nano-silver solution is prepared by mixing 0.8g/L fibroin aqueous solution, 0.2mL of glucose with the concentration of 0.2% and 2mL of silver ammonia solution with the concentration of 0.05mol/L, fixing the volume to 50mL, adjusting the pH to 10, heating in water bath to 80 ℃, preserving heat for 4h, and the fibroin molecular weight is 7000Da.
Example 4: an antibacterial fluffy blended yarn is different from the yarn in example 1 in that the hollow coffee carbon polyester fiber is pretreated by the following steps:
mixing 1kg of hollow coffee carbon polyester fiber and 5kg of polyvinyl alcohol aqueous solution with the concentration of 5wt%, heating to 140 ℃, preserving heat, soaking for 3h, cooling, taking out the hollow coffee carbon polyester fiber, then soaking in 5kg of polyvinyl alcohol dehydrogenase aqueous solution with the concentration of 10wt%, adjusting the pH to 7.5, soaking for 10min at 35 ℃, washing, drying, soaking in 5kg of fibroin nano-silver solution, soaking for 30min at 65 ℃, washing and drying, wherein the fibroin nano-silver solution is prepared by mixing fibroin aqueous solution with the concentration of 0.8g/L, glucose with the concentration of 0.2% and silver ammonia solution with the concentration of 2mL of 0.05mol/L, fixing the volume to 50mL, adjusting the pH to 10, heating in water bath to 80 ℃, preserving heat for 4h, and the fibroin has the molecular weight of 8000Da.
Example 5: an antibacterial fluffy blended cotton yarn is different from the embodiment 1 in that the hollow coffee carbon polyester fiber is pretreated by the following steps:
1kg of hollow coffee carbon polyester fiber is soaked in 5kg of fibroin nano-silver solution, the soaking is carried out for 30min at the temperature of 65 ℃, the water washing and the drying are carried out, the fibroin nano-silver solution is prepared by mixing 0.8g/L fibroin aqueous solution, 0.2mL of glucose with the concentration of 0.2 percent and 2mL of silver ammonia solution with the concentration of 0.05mol/L to fix the volume to 50mL, the water bath is heated to 80 ℃ after the pH value is adjusted to 10, the heat preservation is carried out for 4h, and the fibroin molecular weight is 8000Da.
Example 6: an antibacterial fluffy blended cotton yarn is different from the embodiment 4 in that the antibacterial finishing liquid in the step S3 is prepared by the following method:
adding 0.023kg of rare earth gadolinium nitrate, 0.15kg of zinc sulfate and 1kg of water into 1kg of diatom ooze, heating to 80 ℃, preserving heat and stirring for 2 hours, adding 0.05kg of sodium dodecyl benzene sulfonate, continuously stirring for 20 minutes, cooling, filtering, drying for 3 hours at 110 ℃, and grinding to obtain modified diatom ooze;
5kg of aqueous polyurethane emulsion, 0.5kg of pomegranate bark extract, 0.5kg of foaming agent, 0.1kg of silane coupling agent and 3kg of modified diatom ooze are mixed to prepare the antibacterial finishing liquid, wherein the foaming agent is PL-5889 type polyether modified silicone oil, the aqueous polyurethane emulsion is AH-1618E, and the silane coupling agent is KH560.
Example 7: an antibacterial fluffy blended cotton yarn is different from the embodiment 4 in that the antibacterial finishing liquid in the step S3 is prepared by the following method:
adding 0.025kg of rare earth gadolinium nitrate, 0.18kg of zinc sulfate and 1.5kg of water into 1kg of diatom ooze, heating to 90 ℃, preserving heat and stirring for 1h, adding 0.08kg of sodium dodecyl benzene sulfonate, continuously stirring for 30min, cooling, filtering, drying for 2h at 120 ℃, and grinding to obtain modified diatom ooze;
8kg of aqueous polyurethane emulsion, 2kg of pomegranate bark extract, 1kg of foaming agent, 0.5kg of silane coupling agent and 5kg of modified diatom ooze are mixed to prepare the antibacterial finishing liquid, wherein the foaming agent is PL-5889 type polyether modified silicone oil, the aqueous polyurethane emulsion is AH-1618E, and the silane coupling agent is KH560.
Example 8: the bacteriostatic fluffy blended cotton yarn is different from the cotton yarn prepared in the embodiment 7 in that rare earth gadolinium nitrate is not added into the antibacterial finishing liquid.
Example 9: an antibacterial fluffy blended cotton yarn is different from the cotton yarn in example 7 in that zinc sulfate is not added in the antibacterial finishing liquid.
Example 10: a bacteriostatic fluffy blended cotton yarn, which is different from the cotton yarn in example 7 in that pomegranate rind extract is not added.
Comparative example
Comparative example 1: a bacteriostatic bulky blended cotton yarn, differing from example 1 in that the cotton fiber was not pretreated.
Comparative example 2: an antibacterial fluffy blended cotton yarn is different from the embodiment 1 in that a witch hazel extract is not added in an antibacterial mildew preventive during pretreatment of cotton fibers.
Comparative example 3: an antibacterial fluffy blended cotton yarn is different from the embodiment 1 in that the banana skin extract is not added in the antibacterial mildew preventive during the pretreatment of the cotton fiber.
Comparative example 4: the bacteriostatic fluffy blended cotton yarn is different from the embodiment 1 in that the antibacterial cotton fiber is not soaked in a dispersion liquid containing graphene oxide, a penetrating agent and water and is not reduced by sodium hydrosulfite during pretreatment of the cotton fiber.
Comparative example 5: the bacteriostatic fluffy blended cotton yarn is different from the bacteriostatic fluffy blended cotton yarn in example 1 in that hollow coffee carbon polyester fibers are not added.
Comparative example 6: the bacteriostatic fluffy blended cotton yarn is different from the bacteriostatic fluffy blended cotton yarn in example 1 in that antibacterial polypropylene filaments are not added.
Comparative example 7: the antibacterial blended regenerated cotton yarn is prepared from the following raw materials in parts by weight:
35kg of waste cotton fabric, 20kg of tea fiber, 2kg of Chinese yam extract, 3kg of aloe liquid, 6kg of potassium hydrogen tartrate, 12 kg of methyl methacrylate, 0.3kg of peracetic acid, 8kg of aqueous epoxy resin and 5kg of polyethylene wax; the preparation method comprises the following steps:
A. putting potassium hydrogen tartrate, methyl methacrylate, waterborne epoxy resin and polyethylene wax into a stirring kettle, adding 16 times of water, stirring and heating to completely gelatinize, then keeping the reaction temperature at 45 ℃, adding peroxyacetic acid, chinese yam extract and aloe liquid, and fully stirring for 1.2 hours to obtain mixed slurry for later use;
B. vibrating and screening the waste cotton fabrics, and cutting the waste cotton fabrics into sections with the length and the width smaller than 15 cm;
C. washing and bleaching the section material prepared in the step B, and airing; then putting the mixture into a fiber crusher to cut the mixture into fibers with the length of 5 mm;
D. soaking the fiber prepared in the step C into the slurry prepared in the step A, heating to 60 ℃, keeping for 3 hours, and then taking out and drying;
E. and D, mixing the fiber prepared in the step D with tea fiber, and carding and combing to obtain the tea fiber.
Performance test
Cotton yarn was produced according to the method in examples and comparative examples, and the properties of the cotton yarn were measured with reference to the following method, and the results of the measurement are recorded in table 1.
1. The bacteriostasis rate is as follows: according to GB/T20944.3-2008, evaluation part 3 of antibacterial performance of textiles: the test is carried out by the oscillation method, staphylococcus aureus and escherichia coli are selected as test strains, and the bacteriostasis rate is detected when the staphylococcus aureus and the escherichia coli are not washed, washed for 10 times, washed for 20 times and washed for 30 times respectively.
2. Fluffiness: the method is characterized by detecting according to FZ/T50009.4-2019, namely the fluffiness and elasticity test method for hollow polyester staple fibers, measuring the volume of the fibers in a measuring cylinder without load by adopting a 200mL measuring cylinder and a 3kg weight, then measuring the volume of the fibers before and after the load and calculating according to the conditions that B (fluffiness) = (V1/V2) × 100%, V1 is the volume of the fibers under the load action and V2 is the volume of the fibers after the load is removed.
Table 1 performance test results of bacteriostatic fluffy blended cotton yarn
In the embodiment 1 and the embodiment 2, the initial bacteriostasis rate of the cotton yarn to escherichia coli reaches over 90 percent, after washing, the bacteriostasis rate is reduced, the reduction of the former 10 times is obvious, and the decline trend of the bacteriostasis rate is slowed down compared with the 30 th time and the 20 th time; the same is true for staphylococcus aureus; in addition, cotton yarns have a higher volume recovery after loading.
Compared with the example 1, the initial bacteriostasis rates of the cotton yarns to staphylococcus aureus and escherichia coli are increased and reach more than 95%, the trend of reducing the bacteriostasis rates is weakened along with the increase of the washing times, the bacteriostasis rates reach more than 94% after 30 times of washing, and the antibacterial property and the antibacterial durability are better than those of the example 1.
Compared with example 4, the hollow coffee carbon polyester fiber is pretreated by the fibroin nano-silver, and a polyvinyl alcohol aqueous solution and a polyvinyl alcohol dehydrogenase aqueous solution are not used, table 1 shows that the initial bacteriostasis rate of the blended cotton yarn prepared in example 5 to escherichia coli and staphylococcus aureus is similar to that of example 4, but after 10 times of washing, the bacteriostasis rate is remarkably reduced, which indicates that the original bacteriostasis of the blended cotton yarn can only be improved and the bacteriostasis durability cannot be prolonged by directly mixing and soaking the hollow coffee carbon polyester fiber and the fibroin nano-silver.
Compared with the example 4, the examples 6 and 7 not only pretreat the hollow coffee carbon polyester fiber, but also use the antibacterial finishing liquid prepared from the modified diatom ooze, the pomegranate bark extract and the like, and table 1 shows that the initial antibacterial rate of the blended cotton yarn prepared in the examples 6 and 7 on escherichia coli and staphylococcus aureus reaches 99.99%, and the blended cotton yarn has a high antibacterial effect after being washed for 30 times and has lasting antibacterial activity.
The difference between examples 8-10 and example 7 is that rare earth gadolinium nitrate, zinc sulfate and pomegranate rind extract are not added in the antibacterial finishing liquid, and the data in table 1 show that the initial inhibition ratio of the blended cotton yarn prepared in examples 8 and 10 is lower than that of example 7, and the inhibition ratio is reduced with the increase of the washing times.
The cotton fiber was not pretreated in comparative example 1, and the initial bacteriostatic rate of the cotton yarn in comparative example 1 was small as compared to example 1, and the bacteriostatic rate gradually decreased as the number of washing times increased.
Comparative examples 2 and 3 compared with example 1, the antibacterial and antifungal agent was prepared without adding the witch hazel extract and the banana peel extract, respectively, and table 1 shows that the cotton yarn prepared by the comparative examples 2 and 3 has a lower initial inhibition rate, an increased number of washing times and a reduced inhibition rate than example 1.
Compared with the example 1, the initial bacteriostasis rate of the cotton yarn prepared in the comparative example 4 to escherichia coli and staphylococcus aureus is reduced, and the bacteriostasis rate is obviously reduced along with the increase of the washing times, which shows that the graphene can improve the initial bacteriostasis effect of the cotton yarn and prolong the bacteriostasis long-acting property.
Comparative example 5 and comparative example 6 compared with example 1, the cotton yarn manufactured by comparative example 5 and comparative example 6 has a lower initial inhibition rate than example 1 without adding the hollow coffee carbon polyester fiber and the antibacterial polypropylene filament, and the inhibition rate is gradually reduced with the increase of the washing times, and the bulkiness of the cotton yarn is also reduced.
Comparative example 7 is an antibacterial blended regenerated cotton yarn prepared in the prior art, the initial bacteriostasis rate is lower than 90%, the bacteriostasis rate is remarkably reduced along with the increase of the washing times, in addition, before no load is applied, the volume of the cotton yarn is only 105ml, the fluffiness is 61.8%, and the fluffiness and the antibacterial property are not as good as those of the example 1.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (10)
1. The bacteriostatic fluffy blended cotton yarn is characterized by comprising a core layer yarn and a shell layer yarn wound on the core layer yarn, wherein the core layer yarn comprises the following raw materials in parts by weight: 20-30 parts of soluble fiber and 20-30 parts of antibacterial polypropylene filament; the shell yarn comprises the following raw materials in parts by weight: 60-65 parts of cotton fiber and 20-35 parts of hollow coffee carbon polyester fiber;
the cotton fiber is pretreated by the following steps: scouring the cotton fibers with alkali liquor at a water-bath ratio of 1;
adding the banana peel extract, the moutan bark extract and the witch hazel extract into water, uniformly mixing to prepare an antibacterial mildew preventive, uniformly mixing the pretreated cotton fiber and the antibacterial mildew preventive according to a water bath ratio of 1;
soaking the antibacterial treated cotton fiber in a dispersion liquid containing graphene oxide, a penetrating agent and water, performing ultrasonic dispersion for 30-60min, washing, drying, reducing by sodium hydrosulfite, washing, and drying to obtain the pretreated cotton fiber, wherein the water bath ratio of the antibacterial treated cotton fiber to the dispersion liquid is 1.
2. The bacteriostatic bulky blended cotton yarn according to claim 1, wherein: in the antibacterial mildew preventive, the mass ratio of the banana peel extract, the tree peony bark extract, the witch hazel extract and water is (0.3-0.5): 0.1-0.3): 0.06-0.08): 1.
3. The bacteriostatic fluffy blended cotton yarn according to claim 1, wherein the mass ratio of the graphene oxide to the penetrating agent to the water to the sodium hydrosulfite in the dispersion is (0.5-1): (0.01-0.05): 100: (0.45-0.5).
4. The bacteriostatic fluffy blended cotton yarn according to claim 1, wherein the soluble fiber is one or more of water-soluble polyvinyl alcohol fiber, water-soluble chitosan fiber, alginate fiber and carboxymethyl cellulose fiber.
5. The bacteriostatic fluffy blended cotton yarn according to claim 1, wherein the alkali solution for scouring is a sodium hydroxide aqueous solution with the concentration of 3-6g/L, the scouring temperature is 80-90 ℃, and the scouring time is 60-80min.
6. The production process of the bacteriostatic fluffy blended cotton yarn according to any one of claims 1-5, which is characterized by comprising the following steps of:
opening, carding and drawing the hollow coffee carbon polyester fibers and the cotton fibers to prepare shell yarns;
mixing soluble fiber and antibacterial polypropylene filament, and opening, carding and drawing to obtain core yarn;
and drawing and twisting the shell layer yarn and the core layer yarn to prepare mixed yarn, soaking the mixed yarn in water at 90-95 ℃, washing, drying, soaking in an antibacterial finishing liquid, padding, and drying to prepare the cotton yarn.
7. The production process of the bacteriostatic fluffy blended cotton yarn according to claim 6, wherein the hollow coffee carbon polyester fiber is pretreated by the following steps: mixing hollow coffee carbon polyester fiber and polyvinyl alcohol aqueous solution, heating to 130-140 ℃, preserving heat, dipping for 3-5h, cooling, taking out the hollow coffee carbon polyester fiber, then dipping into polyvinyl alcohol dehydrogenase aqueous solution, adjusting the pH to 6-7.5, dipping for 10-20min at 30-35 ℃, washing, drying, dipping into fibroin nano-silver solution, dipping for 30-40min at 60-65 ℃, washing and drying.
8. The production process of the bacteriostatic fluffy blended cotton yarn according to claim 6, wherein the antibacterial finishing liquid is prepared by the following method:
adding 0.023-0.025 parts of rare earth gadolinium nitrate, 0.15-0.18 parts of zinc sulfate and 1-1.5 parts of water into 1 part of diatom ooze by weight parts, heating to 80-90 ℃, preserving heat and stirring for 1-2 hours, adding 0.05-0.08 parts of sodium dodecyl benzene sulfonate, continuously stirring for 20-30min, cooling and filtering, drying for 2-3 hours at 110-120 ℃, and grinding to obtain modified diatom ooze;
mixing 5-8 parts of aqueous polyurethane emulsion, 0.5-2 parts of pomegranate bark extract, 0.5-1 part of foaming agent, 0.1-0.5 part of silane coupling agent and 3-5 parts of modified diatom ooze to prepare the antibacterial finishing liquid.
9. The production process of the bacteriostatic fluffy blended cotton yarn according to claim 6, wherein the cotton carding process parameters of the soluble fiber and the antibacterial polypropylene filament are as follows: the speed of a cylinder is 300-330r/min, the rotating speed of a licker-in is 700-720r/min, the speed of a cover plate is 117-120mm/min, the speed of a doffer is 20-25r/min, the distance between the cylinder and the licker-in is 0.18-0.2mm, the mechanical draft multiple is 94-100 times, and the tension draft multiple is 1.37-1.4 times;
the rotating speed of the opening and feeding roller of the hollow coffee carbon polyester fibers and the cotton fibers is 2.36-2.6r/min, the rotating speed of the opening roller is 937-950r/min, the rotating speed of a cylinder during cotton carding is 858-870r/min, the rotating speed of a doffer is 10-15r/min, and the rotating speed of the feeding roller is 0.8-1r/min.
10. The production process of the bacteriostatic fluffy blended cotton yarn according to claim 6, wherein the twist degree of the blended yarn is 90-120 twist/10 cm, and the drafting multiple is 1.05-1.29.
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