CN113882061B - Antibacterial comfortable double-layer stretch bamboo fiber fabric and preparation method thereof - Google Patents
Antibacterial comfortable double-layer stretch bamboo fiber fabric and preparation method thereof Download PDFInfo
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- CN113882061B CN113882061B CN202111147007.2A CN202111147007A CN113882061B CN 113882061 B CN113882061 B CN 113882061B CN 202111147007 A CN202111147007 A CN 202111147007A CN 113882061 B CN113882061 B CN 113882061B
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- 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
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/34—Core-skin structure; Spinnerette packs therefor
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- 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
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- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/12—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
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- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/16—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds as constituent
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D11/00—Double or multi-ply fabrics not otherwise provided for
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- 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
- D03D15/208—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 cellulose-based
- D03D15/217—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 cellulose-based natural from plants, e.g. cotton
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- 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
- D03D15/208—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 cellulose-based
- D03D15/225—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 cellulose-based artificial, e.g. viscose
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- 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
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- 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
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- 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
- D03D15/56—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 elastic
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- 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
- D03D15/573—Tensile strength
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- 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
- D03D15/58—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 characterised by the coefficients of friction
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- 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
- D04B1/10—Patterned fabrics or articles
- D04B1/12—Patterned fabrics or articles characterised by thread material
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- 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
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
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- 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
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
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- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
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- 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
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
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- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
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- 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
- D04B21/06—Patterned fabrics or articles
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- D10B2401/06—Load-responsive characteristics
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Abstract
The invention discloses a bacteriostatic comfortable double-layer elastic bamboo fiber fabric and a preparation method thereof, wherein the bacteriostatic comfortable double-layer elastic bamboo fiber fabric is prepared by blending nylon composite fibers, bamboo fibers and cotton fibers and then knitting or weaving; wherein, the weight portions are as follows: 65-75 parts of nylon composite fiber, 25-30 parts of bamboo fiber and 10-14 parts of cotton fiber; the nylon composite fiber comprises an inner layer and an outer layer; the ratio of the cross-sectional areas of the inner layer and the outer layer is 1:0.7 to 0.8. The antibacterial comfortable double-layer stretch bamboo fiber fabric has high antibacterial rate on escherichia coli, staphylococcus aureus and the like and has good antibacterial effect; the water absorption rate is high, the sweat is absorbed when the wearer wears the diaper, bacteria are not easy to breed, and the diaper is not easy to mould and smell; the elastic performance is good, and the rebound resilience is good; the tensile strength is high, the mechanical property is good, and in addition, the wear resistance is good; all performance indexes are excellent, the comprehensive service performance is good, and the wearing comfort is high.
Description
Technical Field
The invention relates to the technical field of textile fabrics, in particular to a double-layer stretch bamboo fiber fabric with antibacterial and comfortable performances and a preparation method thereof.
Background
The Elastic fabric is Elastic, so that the Elastic fabric has larger elasticity through rib tissues, is commonly used as an inner interlayer shaping object of a handbag or a wallet, and can be used for collar edges and cuffs of T-shirts, so that the T-shirts have better body-folding effect.
The bamboo fiber is novel cellulose fiber manufactured by using renewable bamboo resources. The bamboo fiber fabric keeps the original antibacterial and bacteriostatic effects of bamboo, and has the characteristics of good moisture absorption and air permeability, soft hand feeling, good fabric drapability, good ultraviolet resistance effect, easy treatment, excellent dyeing performance, wear resistance, no fuzzing ball and the like. Compared with common products, the bamboo fiber has higher cost, but has antibacterial and bacteriostatic properties.
The polyamide is mainly used for synthetic fibers, and has the outstanding advantages that the wear resistance is higher than that of all other fibers, 10 times higher than that of cotton and 20 times higher than that of wool, and the wear resistance can be greatly improved by slightly adding some polyamide fibers into the blended fabric; when the elastic recovery rate reaches 3-6%, the elastic recovery rate can reach 100%; can withstand tens of thousands of folds without breaking. The strength of the polyamide fiber is 1-2 times higher than that of cotton and 4-5 times higher than that of wool, and is 3 times that of viscose fiber.
However, the stretch fabrics currently used have the following problems:
1. the antibacterial effect is poor, bacteria are easy to breed after the sports sweat, and the sports sweat is mildewed and smelly;
2. poor moisture absorption performance, poor elasticity, poor comprehensive properties such as wear resistance, mechanical strength and the like, low wearing comfort and the lack of a natural bamboo fiber double-layer stretch fabric with excellent comprehensive properties and antibacterial comfort.
Disclosure of Invention
Based on the above situation, the invention aims to provide the antibacterial comfortable double-layer stretch bamboo fiber fabric and the preparation method thereof, which can effectively solve the problems.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the antibacterial comfortable double-layer elastic bamboo fiber fabric is prepared by blending nylon composite fibers, bamboo fibers and cotton fibers and then knitting or weaving;
wherein, the weight portions are as follows: 65-75 parts of nylon composite fiber, 25-30 parts of bamboo fiber and 10-14 parts of cotton fiber;
the nylon composite fiber comprises an inner layer and an outer layer;
the ratio of the cross-sectional areas of the inner layer and the outer layer is 1:0.7 to 0.8;
the inner layer is prepared from the following raw materials in parts by weight:
60 to 70 parts of polyhexamethylene adipamide,
18 to 24 parts of poly (sunflower diacyl diamine),
25-32 parts of polyurethane elastomer,
3-4 parts of superfine pearl powder,
2-3 parts of filler;
the outer layer is prepared from the following raw materials in parts by weight:
60 to 70 parts of polyhexamethylene adipamide,
18 to 24 parts of poly (sunflower diacyl diamine),
25-32 parts of polyurethane elastomer,
2.2 to 2.8 portions of silver sulfadiazine,
1.5 to 2 parts of chitosan glutamate,
2.5 to 3.5 parts of superfine pearl powder,
2.5 to 3.5 portions of filler.
Preferably, the antibacterial comfortable double-layer stretch bamboo fiber fabric is prepared by blending nylon composite fibers, bamboo fibers and cotton fibers and then knitting or weaving;
wherein, the weight portions are as follows: 70 parts of nylon composite fiber, 27.5 parts of bamboo fiber and 12 parts of cotton fiber.
Preferably, the outer layer is coated on the outer surface of the inner layer, the cross section outline of the inner layer is in a regular pentagram shape, and the cross section outline of the outer layer is in a round shape.
Preferably, the ratio of the cross-sectional areas of the inner layer and the outer layer is 1:0.75.
preferably, the inner layer is prepared from the following raw materials in parts by weight:
65 parts of polyhexamethylene adipamide,
21 parts of poly (sunflower diacyl diamine),
28.5 parts of polyurethane elastomer,
3.5 parts of superfine pearl powder,
2.5 parts of filler;
the outer layer is prepared from the following raw materials in parts by weight:
65 parts of polyhexamethylene adipamide,
21 parts of poly (sunflower diacyl diamine),
29 parts of polyurethane elastomer,
2.5 parts of silver sulfadiazine,
1.75 parts of chitosan glutamate,
3 parts of superfine pearl powder,
3 parts of filler.
Preferably, the polyurethane elastomer is a mixture of a long-alkyl branched polyurethane elastomer and a polyether aliphatic polyurethane elastomer with a hyperbranched structure.
Preferably, the mass ratio of the long-alkyl branched polyurethane elastomer to the polyether aliphatic polyurethane elastomer with hyperbranched structure in the mixture of the long-alkyl branched polyurethane elastomer and the polyether aliphatic polyurethane elastomer with hyperbranched structure is 1:0.37 to 0.44.
Preferably, the polyurethane elastomer containing long alkyl branched chains is a polyurethane elastomer containing dodecyl branched chains or a polyurethane elastomer containing octadecyl branched chains.
Preferably, the filler is porous quartz powder.
Preferably, the particle size of the porous quartz powder is 4-6 mu m, and the average pore diameter is 8-10 nm.
The invention also provides a preparation method of the antibacterial comfortable double-layer stretch bamboo fiber fabric, which comprises the following steps:
A. respectively weighing the raw materials of the inner layer and the outer layer according to parts by weight, respectively drying the raw materials of the inner layer and the outer layer, and respectively and uniformly mixing the raw materials of the inner layer and the outer layer for later use;
B. feeding the mixed inner layer raw materials into a single screw extruder to be melted into an inner layer mixed melt;
C. feeding the mixed outer layer raw materials into a double screw extruder to be melted into an outer layer mixed melt;
D. the inner layer mixed melt and the outer layer mixed melt enter a composite spinning machine, are sprayed out of a composite spinneret plate after being distributed by the melt to form yarn with an inner layer structure and an outer layer structure, and are cooled by blowing, oiled, stretched and wound to obtain nylon composite fibers;
E. then blending nylon composite fiber, bamboo fiber and cotton fiber to obtain blended fiber;
F. the antibacterial comfortable bamboo fiber double-layer elastic fabric is prepared from the blend fibers through a knitting or weaving process.
Compared with the prior art, the invention has the following advantages:
the antibacterial comfortable double-layer elastic bamboo fiber fabric is composed of selected raw materials, the content of each raw material is optimized, nylon composite fibers, bamboo fibers and cotton fibers which are properly proportioned are selected, the specially-made nylon composite fibers are of an inner layer structure and an outer layer structure, the content of each raw material is optimized by selecting the composition of each layer of raw materials, and finally the antibacterial comfortable double-layer elastic bamboo fiber fabric is high in antibacterial rate on escherichia coli, staphylococcus aureus and the like and has a good antibacterial effect; the water absorption rate is high, the sweat is absorbed when the wearer wears the diaper, bacteria are not easy to breed, and the diaper is not easy to mould and smell; the elastic performance is good, and the rebound resilience is good; the tensile strength is high, the mechanical property is good, and in addition, the wear resistance (mainly the improvement effect of the poly (sunflower-di-acyl-sunflower diamine) and the porous quartz powder on the wear resistance) is good; all performance indexes are excellent, the comprehensive service performance is good, and the wearing comfort is high.
The preparation method disclosed by the invention is simple in process and simple and convenient to operate, and saves manpower and equipment cost.
Detailed Description
In order that those skilled in the art will better understand the technical solution of the present invention, preferred embodiments of the present invention will be described below with reference to specific examples, but should not be construed as limiting the present patent.
The test methods or test methods described in the following examples are all conventional methods unless otherwise specified; the reagents and materials, unless otherwise specified, are obtained from conventional commercial sources or prepared in conventional manner.
Example 1:
the antibacterial comfortable double-layer elastic bamboo fiber fabric is prepared by blending nylon composite fibers, bamboo fibers and cotton fibers and then knitting or weaving;
wherein, the weight portions are as follows: 65-75 parts of nylon composite fiber, 25-30 parts of bamboo fiber and 10-14 parts of cotton fiber;
the nylon composite fiber comprises an inner layer and an outer layer;
the ratio of the cross-sectional areas of the inner layer and the outer layer is 1:0.7 to 0.8;
the inner layer is prepared from the following raw materials in parts by weight:
60 to 70 parts of polyhexamethylene adipamide,
18 to 24 parts of poly (sunflower diacyl diamine),
25-32 parts of polyurethane elastomer,
3-4 parts of superfine pearl powder,
2-3 parts of filler;
the outer layer is prepared from the following raw materials in parts by weight:
60 to 70 parts of polyhexamethylene adipamide,
18 to 24 parts of poly (sunflower diacyl diamine),
25-32 parts of polyurethane elastomer,
2.2 to 2.8 portions of silver sulfadiazine,
1.5 to 2 parts of chitosan glutamate,
2.5 to 3.5 parts of superfine pearl powder,
2.5 to 3.5 portions of filler.
In the embodiment, the antibacterial comfortable double-layer stretch bamboo fiber fabric is prepared by blending nylon composite fibers, bamboo fibers and cotton fibers and then knitting or weaving;
wherein, the preferable but not limited to the following weight parts are: 70 parts of nylon composite fiber, 27.5 parts of bamboo fiber and 12 parts of cotton fiber.
In this embodiment, the outer layer is coated on the outer surface of the inner layer, and the cross-sectional profile of the inner layer is preferably but not limited to being in a shape of a regular pentagram, and the cross-sectional profile of the outer layer is preferably but not limited to being in a shape of a circle.
In this embodiment, the ratio of the cross-sectional areas of the inner layer and the outer layer is preferably, but not limited to, 1:0.75.
in this embodiment, the inner layer is preferably, but not limited to, made from raw materials including, by weight:
65 parts of polyhexamethylene adipamide,
21 parts of poly (sunflower diacyl diamine),
28.5 parts of polyurethane elastomer,
3.5 parts of superfine pearl powder,
2.5 parts of filler;
the outer layer is preferably but not limited to being made from raw materials comprising the following parts by weight:
65 parts of polyhexamethylene adipamide,
21 parts of poly (sunflower diacyl diamine),
29 parts of polyurethane elastomer,
2.5 parts of silver sulfadiazine,
1.75 parts of chitosan glutamate,
3 parts of superfine pearl powder,
3 parts of filler.
In this embodiment, the polyurethane elastomer is preferably, but not limited to, a mixture of a long alkyl branched polyurethane elastomer and a polyether aliphatic polyurethane elastomer having a hyperbranched structure.
In this embodiment, the mass ratio of the long-alkyl branched polyurethane elastomer to the polyether aliphatic polyurethane elastomer having a hyperbranched structure in the mixture of the long-alkyl branched polyurethane elastomer and the polyether aliphatic polyurethane elastomer having a hyperbranched structure is preferably, but not limited to, 1:0.37 to 0.44.
In this embodiment, the long alkyl branched polyurethane elastomer is preferably but not limited to a dodecyl branched polyurethane elastomer or an octadecyl branched polyurethane elastomer.
In this embodiment, the filler is preferably, but not limited to, porous quartz powder.
In this embodiment, the particle size of the porous quartz powder is preferably but not limited to 4 to 6 μm, and the average pore diameter is preferably but not limited to 8 to 10nm.
The embodiment also provides a preparation method of the antibacterial comfortable double-layer stretch bamboo fiber fabric, which comprises the following steps:
A. respectively weighing the raw materials of the inner layer and the outer layer according to parts by weight, respectively drying the raw materials of the inner layer and the outer layer, and respectively and uniformly mixing the raw materials of the inner layer and the outer layer for later use;
B. feeding the mixed inner layer raw materials into a single screw extruder to be melted into an inner layer mixed melt;
C. feeding the mixed outer layer raw materials into a double screw extruder to be melted into an outer layer mixed melt;
D. the inner layer mixed melt and the outer layer mixed melt enter a composite spinning machine, are sprayed out of a composite spinneret plate after being distributed by the melt to form yarn with an inner layer structure and an outer layer structure, and are cooled by blowing, oiled, stretched and wound to obtain nylon composite fibers;
E. then blending nylon composite fiber, bamboo fiber and cotton fiber to obtain blended fiber;
F. the antibacterial comfortable bamboo fiber double-layer elastic fabric is prepared from the blend fibers through a knitting or weaving process.
Example 2:
the antibacterial comfortable double-layer elastic bamboo fiber fabric is prepared by blending nylon composite fibers, bamboo fibers and cotton fibers and then knitting or weaving;
wherein, the weight portions are as follows: 65 parts of nylon composite fiber, 25 parts of bamboo fiber and 10 parts of cotton fiber;
the nylon composite fiber comprises an inner layer and an outer layer;
the ratio of the cross-sectional areas of the inner layer and the outer layer is 1:0.7;
the inner layer is prepared from the following raw materials in parts by weight:
60 parts of polyhexamethylene adipamide,
18 parts of poly (sunflower diacyl diamine),
25 parts of polyurethane elastomer,
3 parts of superfine pearl powder,
2 parts of filler;
the outer layer is prepared from the following raw materials in parts by weight:
60 parts of polyhexamethylene adipamide,
18 parts of poly (sunflower diacyl diamine),
25 parts of polyurethane elastomer,
2.2 parts of silver sulfadiazine,
1.5 parts of chitosan glutamate,
2.5 parts of superfine pearl powder,
2.5 parts of filler.
In this embodiment, the polyurethane elastomer is a mixture of a long-alkyl branched polyurethane elastomer and a polyether aliphatic polyurethane elastomer having a hyperbranched structure.
In this embodiment, the mass ratio of the long-alkyl branched polyurethane elastomer to the polyether aliphatic polyurethane elastomer with hyperbranched structure in the mixture of the long-alkyl branched polyurethane elastomer and the polyether aliphatic polyurethane elastomer with hyperbranched structure is 1:0.37.
in this embodiment, the long alkyl branched polyurethane elastomer is a dodecyl branched polyurethane elastomer or an octadecyl branched polyurethane elastomer.
In this embodiment, the filler is porous quartz powder.
In this example, the porous silica powder had a particle diameter of 4 μm and an average pore diameter of 8nm.
In this embodiment, the preparation method of the antibacterial comfortable double-layer stretch bamboo fiber fabric comprises the following steps:
A. respectively weighing the raw materials of the inner layer and the outer layer according to parts by weight, respectively drying the raw materials of the inner layer and the outer layer, and respectively and uniformly mixing the raw materials of the inner layer and the outer layer for later use;
B. feeding the mixed inner layer raw materials into a single screw extruder to be melted into an inner layer mixed melt;
C. feeding the mixed outer layer raw materials into a double screw extruder to be melted into an outer layer mixed melt;
D. the inner layer mixed melt and the outer layer mixed melt enter a composite spinning machine, are sprayed out of a composite spinneret plate after being distributed by the melt to form yarn with an inner layer structure and an outer layer structure, and are cooled by blowing, oiled, stretched and wound to obtain nylon composite fibers;
E. then blending nylon composite fiber, bamboo fiber and cotton fiber to obtain blended fiber;
F. the antibacterial comfortable bamboo fiber double-layer elastic fabric is prepared from the blend fibers through a knitting or weaving process.
Example 3:
the antibacterial comfortable double-layer elastic bamboo fiber fabric is prepared by blending nylon composite fibers, bamboo fibers and cotton fibers and then knitting or weaving;
wherein, the weight portions are as follows: 75 parts of nylon composite fiber, 30 parts of bamboo fiber and 14 parts of cotton fiber;
the nylon composite fiber comprises an inner layer and an outer layer;
the ratio of the cross-sectional areas of the inner layer and the outer layer is 1:0.8;
the inner layer is prepared from the following raw materials in parts by weight:
70 parts of polyhexamethylene adipamide,
24 parts of poly (sunflower diacyl diamine),
32 parts of polyurethane elastomer,
4 parts of superfine pearl powder,
3 parts of filler;
the outer layer is prepared from the following raw materials in parts by weight:
70 parts of polyhexamethylene adipamide,
24 parts of poly (sunflower diacyl diamine),
32 parts of polyurethane elastomer,
2.8 parts of silver sulfadiazine,
2 parts of chitosan glutamate,
3.5 parts of superfine pearl powder,
3.5 parts of filler.
In this embodiment, the polyurethane elastomer is a mixture of a long-alkyl branched polyurethane elastomer and a polyether aliphatic polyurethane elastomer having a hyperbranched structure.
In this embodiment, the mass ratio of the long-alkyl branched polyurethane elastomer to the polyether aliphatic polyurethane elastomer with hyperbranched structure in the mixture of the long-alkyl branched polyurethane elastomer and the polyether aliphatic polyurethane elastomer with hyperbranched structure is 1:0.44.
in this embodiment, the long alkyl branched polyurethane elastomer is a dodecyl branched polyurethane elastomer or an octadecyl branched polyurethane elastomer.
In this embodiment, the filler is porous quartz powder.
In this example, the porous silica powder had a particle diameter of 6 μm and an average pore diameter of 10nm.
In this embodiment, the preparation method of the antibacterial comfortable double-layer stretch bamboo fiber fabric comprises the following steps:
A. respectively weighing the raw materials of the inner layer and the outer layer according to parts by weight, respectively drying the raw materials of the inner layer and the outer layer, and respectively and uniformly mixing the raw materials of the inner layer and the outer layer for later use;
B. feeding the mixed inner layer raw materials into a single screw extruder to be melted into an inner layer mixed melt;
C. feeding the mixed outer layer raw materials into a double screw extruder to be melted into an outer layer mixed melt;
D. the inner layer mixed melt and the outer layer mixed melt enter a composite spinning machine, are sprayed out of a composite spinneret plate after being distributed by the melt to form yarn with an inner layer structure and an outer layer structure, and are cooled by blowing, oiled, stretched and wound to obtain nylon composite fibers;
E. then blending nylon composite fiber, bamboo fiber and cotton fiber to obtain blended fiber;
F. the antibacterial comfortable bamboo fiber double-layer elastic fabric is prepared from the blend fibers through a knitting or weaving process.
Example 4:
the antibacterial comfortable double-layer elastic bamboo fiber fabric is prepared by blending nylon composite fibers, bamboo fibers and cotton fibers and then knitting or weaving;
in this embodiment, the weight portions of the components are as follows: 70 parts of nylon composite fiber, 27.5 parts of bamboo fiber and 12 parts of cotton fiber.
In this embodiment, the nylon composite fiber includes an inner layer and an outer layer;
the outer layer is coated on the outer surface of the inner layer, the cross-section outline of the inner layer is in a regular pentagram shape, and the cross-section outline of the outer layer is in a round shape.
In this embodiment, the ratio of the cross-sectional areas of the inner layer and the outer layer is 1:0.75.
in this embodiment, the inner layer is made from the following raw materials in parts by weight:
65 parts of polyhexamethylene adipamide,
21 parts of poly (sunflower diacyl diamine),
28.5 parts of polyurethane elastomer,
3.5 parts of superfine pearl powder,
2.5 parts of filler;
the outer layer is prepared from the following raw materials in parts by weight:
65 parts of polyhexamethylene adipamide,
21 parts of poly (sunflower diacyl diamine),
29 parts of polyurethane elastomer,
2.5 parts of silver sulfadiazine,
1.75 parts of chitosan glutamate,
3 parts of superfine pearl powder,
3 parts of filler.
In this embodiment, the polyurethane elastomer is a mixture of a long-alkyl branched polyurethane elastomer and a polyether aliphatic polyurethane elastomer having a hyperbranched structure.
In this embodiment, the mass ratio of the long-alkyl branched polyurethane elastomer to the polyether aliphatic polyurethane elastomer with hyperbranched structure in the mixture of the long-alkyl branched polyurethane elastomer and the polyether aliphatic polyurethane elastomer with hyperbranched structure is 1:0.405.
in this embodiment, the long alkyl branched polyurethane elastomer is a dodecyl branched polyurethane elastomer or an octadecyl branched polyurethane elastomer.
In this embodiment, the filler is porous quartz powder.
In this example, the porous silica powder had a particle diameter of 5 μm and an average pore diameter of 9nm.
In this embodiment, the preparation method of the antibacterial comfortable double-layer stretch bamboo fiber fabric comprises the following steps:
A. respectively weighing the raw materials of the inner layer and the outer layer according to parts by weight, respectively drying the raw materials of the inner layer and the outer layer, and respectively and uniformly mixing the raw materials of the inner layer and the outer layer for later use;
B. feeding the mixed inner layer raw materials into a single screw extruder to be melted into an inner layer mixed melt;
C. feeding the mixed outer layer raw materials into a double screw extruder to be melted into an outer layer mixed melt;
D. the inner layer mixed melt and the outer layer mixed melt enter a composite spinning machine, are sprayed out of a composite spinneret plate after being distributed by the melt to form yarn with an inner layer structure and an outer layer structure, and are cooled by blowing, oiled, stretched and wound to obtain nylon composite fibers;
E. then blending nylon composite fiber, bamboo fiber and cotton fiber to obtain blended fiber;
F. the antibacterial comfortable bamboo fiber double-layer elastic fabric is prepared from the blend fibers through a knitting or weaving process.
Comparative example 1:
the difference from example 4 is that there is no bamboo fiber, and the other is the same as example 4.
Comparative example 2:
the difference from example 4 is that there is no cotton fiber, and the other is the same as example 4.
Comparative example 3:
the difference from example 4 is that the inner layer and the outer layer of the nylon composite fiber are not provided with the poly (sunflower-di-acid-amide), and the other is the same as example 4.
Comparative example 4:
the difference from example 4 is that the inner layer and the outer layer of the nylon composite fiber are only polyether aliphatic polyurethane elastomer with hyperbranched structure, and the nylon composite fiber does not contain long alkyl branched polyurethane elastomer, and the other is the same as example 4.
Comparative example 5:
the difference from example 4 is that no silver sulfadiazine is present in the outer layer of the nylon composite fiber, and the other is the same as example 4.
Comparative example 6:
the difference from example 4 is that the outer layers of the nylon composite fibers are free of chitosan glutamate, and the other is the same as in example 4.
Comparative example 7:
the difference from example 4 is that the inner layer and the outer layer of the nylon composite fiber are not provided with superfine pearl powder, and the other steps are the same as those of example 4.
The antibacterial comfortable double-layer elastic bamboo fiber fabrics obtained in the following examples 2 to 4 of the present invention, and the fabrics obtained in the comparative examples 1 to 7 (gram weight 500g/m 2 ) Performance tests were performed separately and the test results are shown in table 1.
Wherein the recovery rate is 150% after the tensile elongation and the recovery rate is maintained for 24 hours.
TABLE 1
From the table, the antibacterial comfortable double-layer stretch bamboo fiber fabric has the following advantages: the antibacterial agent has high antibacterial rate on escherichia coli, staphylococcus aureus and the like and good antibacterial effect; the water absorption rate is high, the sweat is absorbed when the wearer wears the diaper, bacteria are not easy to breed, and the diaper is not easy to mould and smell; the elastic performance is good, and the rebound resilience is good; high tensile strength, good mechanical properties, excellent performance indexes, good comprehensive service performance and high wearing comfort.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that the above-mentioned preferred embodiment should not be construed as limiting the invention, and the scope of the invention should be defined by the appended claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (2)
1. The antibacterial comfortable double-layer elastic bamboo fiber fabric is characterized by being prepared by blending nylon composite fibers, bamboo fibers and cotton fibers and then knitting or weaving;
wherein, the weight portions are as follows: 70 parts of nylon composite fiber, 27.5 parts of bamboo fiber and 12 parts of cotton fiber;
the nylon composite fiber comprises an inner layer and an outer layer, wherein the outer layer is coated on the outer surface of the inner layer, the cross section outline of the inner layer is in a regular pentagram shape, and the cross section outline of the outer layer is in a circular shape; the ratio of the cross-sectional areas of the inner layer and the outer layer is 1:0.75;
the inner layer is prepared from the following raw materials in parts by weight: 65 parts of polyhexamethylene adipamide, 21 parts of polyhexamethylene adipamide, 28.5 parts of polyurethane elastomer, 3.5 parts of superfine pearl powder and 2.5 parts of filler;
the outer layer is prepared from the following raw materials in parts by weight: 65 parts of polyhexamethylene adipamide, 21 parts of polyhexamethylene adipamide, 29 parts of polyurethane elastomer, 2.5 parts of silver sulfadiazine, 1.75 parts of chitosan glutamate, 3 parts of superfine pearl powder and 3 parts of filler;
the filler is porous quartz powder;
the polyurethane elastomer is a mixture of long-alkyl branched polyurethane elastomer and polyether aliphatic polyurethane elastomer with hyperbranched structure, wherein the mass ratio of the long-alkyl branched polyurethane elastomer to the polyether aliphatic polyurethane elastomer with hyperbranched structure in the mixture of the long-alkyl branched polyurethane elastomer to the polyether aliphatic polyurethane elastomer with hyperbranched structure is 1:0.37 to 0.44, wherein the polyurethane elastomer containing long alkyl branched chains is a polyurethane elastomer containing dodecyl branched chains or a polyurethane elastomer containing octadecyl branched chains;
the preparation method of the antibacterial comfortable double-layer stretch bamboo fiber fabric comprises the following steps:
A. respectively weighing the raw materials of the inner layer and the outer layer according to parts by weight, respectively drying the raw materials of the inner layer and the outer layer, and respectively and uniformly mixing the raw materials of the inner layer and the outer layer for later use;
B. feeding the mixed inner layer raw materials into a single screw extruder to be melted into an inner layer mixed melt;
C. feeding the mixed outer layer raw materials into a double screw extruder to be melted into an outer layer mixed melt;
D. the inner layer mixed melt and the outer layer mixed melt enter a composite spinning machine, are sprayed out of a composite spinneret plate after being distributed by the melt to form yarn with an inner layer structure and an outer layer structure, and are cooled by blowing, oiled, stretched and wound to obtain nylon composite fibers;
E. then blending nylon composite fiber, bamboo fiber and cotton fiber to obtain blended fiber;
F. the antibacterial comfortable bamboo fiber double-layer elastic fabric is prepared from the blend fibers through a knitting or weaving process.
2. The antibacterial comfortable double-layer stretch bamboo fiber fabric according to claim 1, wherein the particle size of the porous quartz powder is 4-6 μm, and the average pore diameter is 8-10 nm.
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