CN115418774A - Bio-based antibacterial one-way moisture-conducting woven belt and preparation method thereof - Google Patents
Bio-based antibacterial one-way moisture-conducting woven belt and preparation method thereof Download PDFInfo
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- CN115418774A CN115418774A CN202211141818.6A CN202211141818A CN115418774A CN 115418774 A CN115418774 A CN 115418774A CN 202211141818 A CN202211141818 A CN 202211141818A CN 115418774 A CN115418774 A CN 115418774A
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 118
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000013329 compounding Methods 0.000 claims abstract description 5
- 239000004952 Polyamide Substances 0.000 claims description 39
- 229920002647 polyamide Polymers 0.000 claims description 39
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 36
- 239000004626 polylactic acid Substances 0.000 claims description 36
- 238000009987 spinning Methods 0.000 claims description 22
- 239000002131 composite material Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 16
- 229920000742 Cotton Polymers 0.000 claims description 15
- 229940070527 tourmaline Drugs 0.000 claims description 15
- 229910052613 tourmaline Inorganic materials 0.000 claims description 15
- 239000011032 tourmaline Substances 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 14
- 125000002795 guanidino group Chemical group C(N)(=N)N* 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 12
- 239000004615 ingredient Substances 0.000 claims description 12
- 229920000642 polymer Polymers 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 229910021645 metal ion Inorganic materials 0.000 claims description 9
- 239000003242 anti bacterial agent Substances 0.000 claims description 8
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 7
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 7
- 239000012964 benzotriazole Substances 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 238000002074 melt spinning Methods 0.000 claims description 7
- 229920000620 organic polymer Polymers 0.000 claims description 7
- -1 polyhexamethylene guanidine hydrochloride Polymers 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 238000009960 carding Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229920006122 polyamide resin Polymers 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 238000005530 etching Methods 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000001291 vacuum drying Methods 0.000 claims description 5
- 238000003828 vacuum filtration Methods 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 4
- 238000004043 dyeing Methods 0.000 claims description 4
- ZRALSGWEFCBTJO-UHFFFAOYSA-N guanidine group Chemical group NC(=N)N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 claims description 4
- 238000009940 knitting Methods 0.000 claims description 4
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 4
- 235000013311 vegetables Nutrition 0.000 claims description 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 4
- 241000168254 Siro Species 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 3
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 3
- 229960001763 zinc sulfate Drugs 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 229920000305 Nylon 6,10 Polymers 0.000 claims description 2
- 229920006152 PA1010 Polymers 0.000 claims description 2
- 229920002413 Polyhexanide Polymers 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 2
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 230000020477 pH reduction Effects 0.000 claims description 2
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 2
- 235000005074 zinc chloride Nutrition 0.000 claims description 2
- 239000011592 zinc chloride Substances 0.000 claims description 2
- 230000000845 anti-microbial effect Effects 0.000 claims 1
- 239000004744 fabric Substances 0.000 abstract description 8
- 210000004243 sweat Anatomy 0.000 abstract description 7
- 230000002209 hydrophobic effect Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 229910052742 iron Inorganic materials 0.000 description 8
- 239000000975 dye Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 239000004753 textile Substances 0.000 description 4
- 241000222122 Candida albicans Species 0.000 description 3
- 241000588724 Escherichia coli Species 0.000 description 3
- 241000191967 Staphylococcus aureus Species 0.000 description 3
- 229940095731 candida albicans Drugs 0.000 description 3
- 230000002045 lasting effect Effects 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005341 cation exchange Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 229920006021 bio-based polyamide Polymers 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000002036 drum drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D1/00—Woven fabrics designed to make specified articles
- D03D1/0094—Belts
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/90—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyamides
-
- 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
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/36—Cored or coated yarns or threads
-
- 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
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/38—Threads in which fibres, filaments, or yarns are wound with other yarns or filaments, e.g. wrap yarns, i.e. strands of filaments or staple fibres are wrapped by a helically wound binder yarn
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/30—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the fibres or filaments
- D03D15/37—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the fibres or filaments with specific cross-section or surface shape
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
- D03D15/47—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
-
- 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
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
-
- 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
- D10B2331/30—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polycondensation products not covered by indexing codes D10B2331/02 - D10B2331/14
-
- 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
- D10B2401/00—Physical properties
- D10B2401/13—Physical properties anti-allergenic or anti-bacterial
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention discloses a bio-based antibacterial one-way moisture-conducting braid, which consists of an inner layer and an outer layer, wherein yarns of the inner layer are bio-based antibacterial fancy wrapped yarns, and yarns of the outer layer are bio-based antibacterial fancy core-spun yarns; the invention also provides a preparation method of the bio-based antibacterial one-way moisture-conducting braid, which is characterized in that bio-based antibacterial fancy wrapped yarns are used as inner layer yarns of the braid, and bio-based antibacterial fancy core-spun yarns are used as outer layer yarns of the braid for compounding. According to the bio-based antibacterial one-way moisture-conducting mesh belt provided by the invention, sweat is transmitted from a small part of hydrophilic parts of the inner layer to the hydrophilic outer layer of the fabric and is quickly evaporated on the outer layer, most of the hydrophobic inner layer enables a human body not to stick to the body when the human body sweats, and the moisture on the outer layer of the fabric is quickly evaporated to take away a large amount of heat, so that the human body feels cool, and the comfort of the mesh belt is improved. The method is suitable for preparing the bio-based antibacterial one-way moisture-conducting woven belt, and the prepared bio-based antibacterial one-way moisture-conducting woven belt is further applied to watch woven belts under the conditions of sports, fitness or high temperature.
Description
Technical Field
The invention belongs to the technical field of textile, and relates to a woven tape, in particular to a preparation method of a bio-based antibacterial one-way moisture-conducting woven tape.
Background
At present, the woven belt is mainly made of terylene or nylon materials, and when the woven belt is used next to the skin, people feel stuffy and hot due to poor air permeability, so that the comfort is poor; in addition, a large amount of sweat stains can be generated when people do exercises, and if the sweat cannot be discharged in time, a large amount of bacteria can be bred, so that the health of people is harmed.
In addition, common polyester and nylon materials are synthetic fibers, and the defect of difficult degradation exists. The bio-based chemical fiber is increasingly widely concerned around the world as a green new material which is expected to relieve resource crisis and environmental pollution, and the European Union points out that the application of bio-based products enables economic development to be more sustainable and helps to reduce the dependence on traditional dyes, so that the use of bio-based products is a development direction in the future.
At present, the existing textile technology with the antibacterial function and the one-way moisture-conducting function is still not mature enough, patent CN112921469A realizes one-way moisture-conducting by utilizing a concave-convex stripe structure, raised strips are contacted with the surface of a human body, and the recessed strips are sunken without being contacted with the surface of the human body, so that the contact area between the surface of the human body and a fabric is reduced, the sweat-wet area of the fabric formed by sweating of the human body is reduced, but the used raw material is still the traditional polyester filament yarn, the skin-friendly performance of the polyester filament yarn is poor, the raw material is not degradable, and the common polyester yarn also has no antibacterial function.
Disclosure of Invention
The invention aims to provide a preparation method of a bio-based antibacterial one-way moisture-conducting braid, which is characterized in that antibacterial components are added according to a reasonable proportion, and a textile process is improved to realize the purposes of high efficiency, lasting antibiosis and good air permeability of the braid;
in order to achieve the purpose, the invention adopts the technical scheme that:
a bio-based antibacterial one-way moisture-conducting braid comprises an inner layer and an outer layer, wherein yarns of the inner layer are bio-based antibacterial fancy wrapped yarns, and yarns of the outer layer are bio-based antibacterial fancy core-spun yarns.
As a definition, the linear density of the inner layer yarns is less than the linear density of the outer layer yarns;
the linear density of the bio-based antibacterial fancy fasciated yarn is 7.4 to 18.5tex, and the twist coefficient is 450 to 550;
the linear density of the bio-based antibacterial fancy core-spun yarn is 28.1 to 59.0tex, and the twist coefficient is 380 to 420.
The invention also provides a preparation method of the bio-based antibacterial unidirectional moisture-conducting woven tape, which comprises the following steps in sequence:
s1, preparing a bio-based antibacterial polyamide filament;
s2, preparing bio-based antibacterial fancy fasciated yarn on a spinning machine 1 by taking two bio-based antibacterial polyamide filaments as outer covering yarn and one fancy polylactic acid roving as core yarn; at the same time, the user can select the desired position,
two fancy polylactic acid roves are used as covering yarns, one bio-based antibacterial polyamide filament is used as a core yarn, and the bio-based antibacterial fancy core-spun yarn is prepared on a spinning machine 2;
and S3, compounding the bio-based antibacterial fancy wrapped yarns serving as the inner layer yarns of the woven tape and the bio-based antibacterial fancy core-spun yarns serving as the outer layer yarns of the woven tape to prepare the bio-based antibacterial unidirectional moisture-conducting woven tape.
As a limitation, the step S1 includes the following steps performed in sequence:
s11, taking the tourmaline, carrying out inner cavity acidification etching, dispersing the tourmaline in a guanidino-containing organic polymer antibacterial agent solution under a vacuum condition, and drying to obtain a solid A;
s12, mixing the solid A and benzotriazole powder in deionized water, and then carrying out vacuum filtration and drying to obtain a composite functional hybrid material B;
s13, adding the composite functional hybrid material B into a solution containing metal ions for soaking, cleaning, drying in vacuum, irradiating by ultraviolet rays, and grinding to obtain guanidino-containing multi-component polymer composite ingredient powder C;
s14, mixing and heating guanidino-containing multi-component polymer composite ingredient powder C and polyamide resin X, electromagnetically stirring, condensing, grinding, and then mixing and granulating with polyamide resin Y to obtain antibacterial polyamide master batches;
s15, spinning the polyamide master batches with the antibacterial function and the polyamide resin Z through a melt spinning machine to obtain the bio-based antibacterial polyamide filament.
By way of further limitation, in step S11, the acid is at least one of sulfuric acid, nitric acid and hydrochloric acid, and the concentration is 1-2 mol/L;
the etching rate is 20-40%;
the organic polymer antibacterial agent containing guanidine groups is at least one of polyhexamethylene guanidine hydrochloride, polyhexamethylene biguanide hydrochloride and polyhexamethylene guanidine phosphate;
in the step S12, the vacuum filtration is carried out, the display value of a pressure gauge is 0.02-0.1 MPa, and the time is 1-5 min;
drying at the temperature of 80-90 ℃;
in step S13, the metal ions are at least one of copper chloride, copper sulfate, silver nitrate, zinc sulfate, magnesium sulfate and zinc chloride;
soaking for 1-2 h;
the cleaning is to wash the surface by water flow of 50-100 m/s;
the vacuum drying is carried out, the display value of a pressure gauge is 0.02-0.1 MPa, and the time is 1-3 h;
the ultraviolet irradiation is carried out for 10-30 min, wherein the wavelength of the ultraviolet light is 185-254 nm;
the particle size of the guanidino-containing multi-component polymer composite ingredient powder C is 300-700 nm;
in the step S14, the heating temperature is 180-280 ℃;
the electromagnetic stirring time is 1-2 h;
the water content of the polyamide master batch with the antibacterial function is less than 0.05 percent;
the mass percentage of the guanidino-containing multi-component polymer composite ingredient powder C in the antibacterial polyamide master batch is 5-15%;
in the step S15, the mass percent of the antibacterial polyamide master batch in the antibacterial polyamide filament is 5-25%;
the spinneret orifices of the melt spinning machine are in a special shape, a trilobal shape, a quadralobal shape or a cross shape;
the specification of the antibacterial polyamide filament is 20D-50D.
As a further limitation, the polyamide is one of polyamide 56, polyamide 1010 and polyamide 610;
the weight ratio of the organic polymer antibacterial agent containing guanidine groups to the metal ions to the etched tourmaline is 1:1 to 10:1 to 10;
the molar ratio of the metal ions to the benzotriazole is 1:1 to 3.
As another limitation, in the step S2, the spinning machine 1 is provided with an all-poly spinning device and a double-fasciated yarn device;
the spinning machine 2 is provided with a full-poly siro spinning device and a core-spun yarn device.
As a third limitation, in the step S3, the compounding is performed on a shuttleless loom, a flat knitting machine, or a warp knitting machine.
As a fourth limitation, in the step S2, the fancy polylactic acid roving is prepared by feeding a polylactic acid drawn sliver from a fourth roller of the roving frame through a roving sliver guide, feeding a colored polylactic acid roving from a third roller of the roving frame, and drafting, twisting and winding the colored polylactic acid roving together;
the polylactic acid drawn sliver is prepared by sequentially carrying out cotton grabbing, cotton mixing and cotton opening on polylactic acid fibers to form extended cotton, carding the extended cotton by a carding machine to prepare raw sliver, and then carrying out head doubling and head doubling;
the colored polylactic acid roving is prepared by dyeing polylactic acid roving with vegetable dye;
the roving frame is used for four-roller double-short apron drafting, the bell mouth behind the third roller is a double-bell mouth, and a roving hanging spindle is arranged above the roving guide frame.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
(1) in the bio-based antibacterial unidirectional moisture-conducting woven tape, the bio-based antibacterial fancy fasciated yarns used in the inner skin-contacting layer have hydrophobicity, antibacterial property, light weight, softness, high wear resistance and good capillary effect; the bio-based antibacterial fancy core-spun yarn used in the outer layer has hydrophilicity and good diffusion effect on water; sweat is transmitted to the hydrophilic outer layer of the fabric from a small part of hydrophilic parts of the inner layer and quickly evaporated on the outer layer, most of the hydrophobic inner layer prevents a human body from being stained when the human body sweats, and a large amount of heat is taken away by quickly evaporating water on the outer layer of the fabric, so that the human body feels cool, and the comfort of the woven belt is improved;
(2) in the bio-based antibacterial one-way moisture-conducting woven belt, the polylactic acid fiber has skin-friendly, antibacterial and biodegradable properties, and the bio-based polyamide fiber has the advantages of moisture absorption, quick drying, excellent dyeing property, light weight, softness, high wear resistance and the like; the bio-based antibacterial one-way moisture-conducting braid has both high-efficiency lasting antibacterial function and moisture absorption and sweat releasing function, not only meets the requirement of comfort level of people, but also achieves the purpose of green consumption;
(3) in the bio-based antibacterial one-way moisture-conducting braid provided by the invention, the content of an antibacterial component, namely a multi-component high-polymer composite ingredient containing guanidino, is controllable and uniformly dispersed, and the bio-based antibacterial one-way moisture-conducting braid has a high-efficiency synergistic antibacterial effect and a lasting and stable antibacterial effect;
(4) according to the preparation method of the bio-based antibacterial unidirectional moisture-conducting woven tape, acid-etched tourmaline adsorbs guanidyl-containing organic polymer antibacterial agents through cation exchange and capillary effect, benzotriazole and metal ion solution are added to form a stable protective sealing film on the surface, a multi-component antibacterial system is constructed, and the synergistic antibacterial effect is amplified.
The method is suitable for preparing the bio-based antibacterial one-way moisture-conducting woven belt, and the prepared bio-based antibacterial one-way moisture-conducting woven belt is further applied to watch woven belts under the conditions of sports, fitness or high temperature.
Drawings
The invention will be described in more detail with reference to the following figures and embodiments:
FIG. 1 is a photograph showing the antibacterial effect of bio-based antibacterial unidirectional moisture-transmitting woven tapes beta 2 and beta 3 on Escherichia coli, staphylococcus aureus and Candida albicans in examples 2 and 3 of the present invention.
Detailed Description
The present invention is further illustrated by the following specific examples, which are to be construed as merely illustrative, and not limitative of the remainder of the disclosure.
The polylactic acid fiber specification of the invention is: 1.67dtex is multiplied by 38mm, the quantitative of the colored polylactic acid roving is 4.5g/10m, and the colored polylactic acid roving is dyed by vegetable dye.
Example 1 preparation method of bio-based antibacterial unidirectional moisture-conducting braid
The embodiment comprises the following steps which are carried out in sequence:
s1, preparing bio-based antibacterial polyamide filament
S11, taking 100ml of sulfuric acid with the concentration of 1mol/L to carry out acidizing etching on an inner cavity of 30g of iron tourmaline, heating and activating at the temperature of 60 ℃, and centrifugally cleaning the iron tourmaline by using deionized water until the mass of the iron tourmaline is 22 g;
drying the porous iron tourmaline under a vacuum condition, adding the porous iron tourmaline and 2.2g of polyhexamethylene guanidine hydrochloride into deionized water together, uniformly mixing, and adsorbing the antibacterial agent polyhexamethylene guanidine hydrochloride by the etched iron tourmaline through cation exchange and capillary effect;
ultrasonically treating the iron tourmaline adsorbed with the polyhexamethylene guanidine hydrochloride for 30min, then placing the iron tourmaline in a vacuum chamber for 30min, repeating the treatment for 3 times, cleaning the surface with deionized water, and drying in a drying oven at 60 ℃ to obtain a solid A1;
s12, mixing the solid A1 and 11.9g (0.1 mol) of Benzotriazole (BTA) in deionized water, carrying out vacuum filtration for 3min under the condition that the display value of a pressure gauge is 0.1MPa, and drying at 80 ℃ to obtain a composite functional hybrid material B1;
s13, adding the composite functional hybrid material B1 and 16.1g (0.1 mol) of zinc sulfate into 100ml of deionized water, soaking for 1 hour, taking out, washing the surface with 50m/s water flow, vacuum drying, irradiating for 20min by 254nm ultraviolet light, and grinding until the particle size is 700nm to obtain guanidino-containing multi-component polymer composite ingredient powder C1;
s14, mixing guanidyl-containing multi-component polymer composite ingredient powder C1 and polyamide 56 resin according to a mass ratio of 1:1, mixing and heating to 260 ℃, electromagnetically stirring for 1 hour, cooling and solidifying, grinding into powder, uniformly mixing with polyamide 56 resin according to the mass ratio of 2:8, blending and granulating at 260 +/-2 ℃ by using a double-screw extruder, granulating to obtain antibacterial polyamide master batches, and drying in a vacuum drum drying box at 128 ℃ to ensure that the water content of the slices is 0.05 percent, wherein the mass percentage of guanidino-containing multi-component polymer composite ingredient powder C1 in the antibacterial polyamide master batches is 10 percent;
s15, mixing the antibacterial polyamide master batch in S14 and polyamide 56 resin according to the mass ratio of 1:9 preparing antibacterial polyamide 56 fiber and bio-based antibacterial polyamide filament alpha 1 by melt spinning;
wherein the specification of the melt spinning is 20D, and the spinneret orifice of the melt spinning machine is of a trilobal type;
s21, taking two bio-based antibacterial polyamide filaments alpha 1 as outer wrapping yarns, taking one fancy polylactic acid roving as a core yarn: feeding two bio-based antibacterial polyamide filament alpha 1 with the specification of 20D from a front roller of a spinning machine through 1.2 times of pre-drafting, feeding a quantitative fancy polylactic acid roving in the middle from a rear roller of the spinning machine, wrapping the two filaments with a short fiber roving on the spinning machine provided with a full-poly spinning and double-wrapping yarn device, and preparing the bio-based antibacterial fancy wrapping yarn with the yarn density of 7.4tex and the twist coefficient of 550;
s22, taking two fancy polylactic acid rovings as outer covering yarns, and taking one 20D bio-based antibacterial polyamide filament alpha 1 as a core yarn: two fancy polylactic acid roves are distributed at two sides and fed from a back roller of a spinning machine, one bio-based antibacterial polyamide filament alpha 1 is in the middle and fed from a front roller of the spinning machine through 1.25 times of pre-drafting, and the bio-based antibacterial fancy core-spun yarn with the quantitative of 28.1tex and the twist coefficient of 420 is prepared on the spinning machine provided with a full-poly siro spinning and core-spun yarn device;
fancy polylactic acid roving is prepared by feeding polylactic acid drawn sliver from a fourth roller of a roving frame through a roving sliver guide, feeding colored polylactic acid roving from a third roller of the roving frame, and drafting, twisting and winding the colored polylactic acid roving together;
the polylactic acid drawn sliver is prepared by sequentially carrying out cotton grabbing, cotton mixing and cotton opening on polylactic acid fibers to form stretched cotton, carding the stretched cotton by a carding machine to prepare raw sliver, and then carrying out head doubling and head doubling;
the colored polylactic acid roving is prepared by dyeing polylactic acid roving with vegetable dye;
the roving frame is used for drafting by four-roller double-short apron, the bell mouth behind the third roller is a double-bell mouth, and a roving hanging spindle is arranged above the roving guide frame;
and S3, weaving the bio-based antibacterial fancy wrapped yarns serving as the inner layer yarns of the woven tape and the bio-based antibacterial fancy core-spun yarns serving as the outer layer yarns of the woven tape on a shuttleless weaving machine to prepare the bio-based antibacterial one-way moisture-conducting woven tape beta 1.
S4, according to GB/T20944.3-2008 antibacterial performance evaluation part 3: oscillation method, the antibacterial property test is carried out on the bio-based antibacterial unidirectional moisture-conducting braid beta 1: after 20 times of washing, the bio-based antibacterial one-way moisture-conducting mesh belt beta 1 has the antibacterial rate of 91.39 percent to escherichia coli, the antibacterial rate of 89.14 percent to staphylococcus aureus and the antibacterial rate of 91.18 percent to candida albicans.
Examples 2-6 preparation of Bio-based antibacterial unidirectional moisture wicking tape
Examples 2 to 6 are methods for preparing bio-based antibacterial unidirectional moisture-wicking textile tapes, and the steps are substantially the same as those in example 1, except for the differences in the parameters, which are detailed in table 1:
table 1 summary of the parameters of examples 2 to 6
In the same manner as in example 1, in examples 2 to 6, photographs of the antibacterial effects of the bio-based antibacterial unidirectional moisture permeable fabric tapes β 2 to β 6 and the bio-based antibacterial unidirectional moisture permeable fabric tapes β 1 to β 3 were prepared in examples 2 to 6.
As can be seen from table 1 and fig. 1, the bio-based antibacterial unidirectional moisture-guiding woven tapes β 2 to β 6 have an antibacterial rate of 85% or more against escherichia coli, 84% or more against staphylococcus aureus, and 83% or more against candida albicans.
Example 7 one-way moisture-transfer function experiment of bio-based antibacterial one-way moisture-transfer woven tape
The embodiment is a one-way moisture-conducting functional experiment of bio-based antibacterial one-way moisture-conducting woven belts beta 1-beta 6:
respectively taking bio-based antibacterial one-way moisture-conducting woven belts beta 1-beta 6, and starting timing when a plurality of water drops drop into the inner layers of the six woven belts, wherein the water drops obviously diffuse in 1 minute, the wet mark obviously becomes shallow in 2 minutes, the wet mark is fuzzy in 3 minutes, and the inner layers of the woven belts are not obviously wet when touched; the wet mark basically disappears in 4 minutes without wet feeling, the outer layer of the woven belt has obvious wet mark in 4 minutes, all water is conveyed to the outer layer of the woven belt, and the inner layer of the skin-attached surface keeps dry and comfortable.
Claims (9)
1. A bio-based antibacterial one-way moisture-conducting braid is composed of an inner layer and an outer layer and is characterized in that yarns of the inner layer are bio-based antibacterial fancy wrapped yarns, and yarns of the outer layer are bio-based antibacterial fancy core-spun yarns.
2. The bio-based antimicrobial unidirectional moisture wicking webbing of claim 1, wherein the inner layer yarns have a linear density less than the outer layer yarns;
the linear density of the bio-based antibacterial fancy fasciated yarn is 7.4 to 18.5tex, and the twist coefficient is 450 to 550;
the linear density of the bio-based antibacterial fancy core-spun yarn is 28.1 to 59.0tex, and the twist coefficient is 380 to 420.
3. The method for preparing the bio-based antibacterial unidirectional moisture-conducting braid according to the claim 1 or 2, which is characterized by comprising the following steps in sequence:
s1, preparing a bio-based antibacterial polyamide filament;
s2, preparing bio-based antibacterial fancy fasciated yarn on a spinning machine 1 by taking two bio-based antibacterial polyamide filaments as outer covering yarn and one fancy polylactic acid roving as core yarn; at the same time, the user can select the required time,
preparing a bio-based antibacterial fancy core-spun yarn on a spinning machine 2 by taking two fancy polylactic acid rovings as outer covering yarns and one bio-based antibacterial polyamide filament yarn as a core yarn;
and S3, compounding the bio-based antibacterial fancy wrapped yarns serving as the inner layer yarns of the woven tape and the bio-based antibacterial fancy core-spun yarns serving as the outer layer yarns of the woven tape to prepare the bio-based antibacterial one-way moisture-conducting woven tape.
4. The method for preparing the bio-based antibacterial one-way moisture-conducting braid according to the claim 3, wherein the step S1 comprises the following steps which are sequentially carried out:
s11, taking the tourmaline, carrying out inner cavity acidification etching, dispersing the tourmaline in a guanidino-containing organic polymer antibacterial agent solution under a vacuum condition, and drying to obtain a solid A;
s12, mixing the solid A and benzotriazole powder in deionized water, and then carrying out vacuum filtration and drying to obtain a composite functional hybrid material B;
s13, adding the composite functional hybrid material B into a solution containing metal ions for soaking, cleaning, drying in vacuum, irradiating by ultraviolet rays, and grinding to obtain guanidino-containing multi-component polymer composite ingredient powder C;
s14, mixing and heating guanidino-containing multi-component polymer composite ingredient powder C and polyamide resin X, electromagnetically stirring, condensing, grinding, and then mixing and granulating with polyamide resin Y to obtain antibacterial polyamide master batches;
s15, spinning the polyamide master batches with the antibacterial function and the polyamide resin Z through a melt spinning machine to obtain the bio-based antibacterial polyamide filament.
5. The method for preparing a bio-based antibacterial one-way moisture-conducting braid according to claim 4, wherein in step S11, the acid is at least one of sulfuric acid, nitric acid and hydrochloric acid, and the concentration is 1-2 mol/L;
the etching rate is 20-40%;
the organic polymer antibacterial agent containing guanidine groups is at least one of polyhexamethylene guanidine hydrochloride, polyhexamethylene biguanide hydrochloride and polyhexamethylene guanidine phosphate;
in the step S12, the vacuum filtration is carried out, the display value of a pressure gauge is 0.02-0.1 MPa, and the time is 1-5 min;
drying at 80-90 deg.c;
in step S13, the metal ions are at least one of copper chloride, copper sulfate, silver nitrate, zinc sulfate, magnesium sulfate and zinc chloride;
soaking for 1-2 h;
the cleaning is to wash the surface by water flow of 50-100 m/s;
the vacuum drying is carried out, the display value of a pressure gauge is 0.02-0.1 MPa, and the time is 1-3 h;
the ultraviolet irradiation is carried out for 10-30 min, wherein the wavelength of the ultraviolet light is 185-254 nm;
the particle size of the guanidino-containing multi-component polymer composite ingredient powder C is 300-700 nm;
in the step S14, the heating temperature is 180-280 ℃;
the electromagnetic stirring time is 1-2 h;
the water content of the polyamide master batch with the antibacterial function is less than 0.05 percent;
the mass percentage of the guanidino-containing multi-component polymer composite ingredient powder C in the antibacterial polyamide master batch is 5-15%;
in the step S15, the mass percent of the antibacterial polyamide master batch in the antibacterial polyamide filament is 5-25%;
the spinneret orifices of the melt spinning machine are in a special shape, a trilobal shape, a quadralobal shape or a cross shape;
the specification of the antibacterial polyamide filament is 20D-50D.
6. The method for preparing a bio-based antibacterial unidirectional moisture wicking tape according to claim 4 or 5, wherein the polyamide is one of polyamide 56, polyamide 1010 and polyamide 610;
the weight ratio of the organic polymer antibacterial agent containing guanidine groups to the metal ions to the etched tourmaline is 1:1 to 10:1 to 10;
the molar ratio of the metal ions to the benzotriazole is 1:1 to 3.
7. The method for preparing the bio-based antibacterial one-way moisture-guiding woven belt according to any one of claims 3 to 5, wherein in the step S2, an all-poly spinning device and a double-wrapping yarn device are arranged on the spinning machine 1;
the spinning machine 2 is provided with a full-poly siro spinning device and a core-spun yarn device.
8. The method as claimed in any one of claims 3 to 5, wherein in step S3, the compounding is performed on a shuttleless loom, a flat knitting machine or a warp knitting machine.
9. The method for preparing a bio-based antibacterial unidirectional moisture-conducting braid according to any one of claims 3 to 5, wherein in the step S2, the fancy polylactic acid roving is prepared by feeding polylactic acid drawn sliver from a fourth roller of a roving frame through a roving sliver guide, feeding colored polylactic acid roving from a third roller of the roving frame, and drafting, twisting and winding the colored polylactic acid roving together;
the polylactic acid drawn sliver is prepared by sequentially carrying out cotton grabbing, cotton mixing and cotton opening on polylactic acid fibers to form extended cotton, carding the extended cotton by a carding machine to prepare raw sliver, and then carrying out head doubling and head doubling;
the colored polylactic acid roving is prepared by dyeing polylactic acid roving with vegetable dye;
the roving frame is used for four-roller double-short apron drafting, the horn mouth behind the third roller is a double-horn mouth, and a roving hanging ingot is arranged above the roving guide frame.
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