CN111020727A - Chitosan antibacterial fabric and preparation method and product thereof - Google Patents
Chitosan antibacterial fabric and preparation method and product thereof Download PDFInfo
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- CN111020727A CN111020727A CN201911309698.4A CN201911309698A CN111020727A CN 111020727 A CN111020727 A CN 111020727A CN 201911309698 A CN201911309698 A CN 201911309698A CN 111020727 A CN111020727 A CN 111020727A
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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
-
- 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
-
- 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
- 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
-
- 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
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
-
- 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
- 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
-
- 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
- D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
- D04B21/16—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads
Abstract
The invention discloses a chitosan antibacterial fabric and a preparation method and a product thereof, wherein the chitosan antibacterial fabric is prepared by a skin-core type composite filament through a knitting or weaving process; the sheath-core composite filament comprises a core layer and a sheath layer; the surface layer is coated on the outer surface of the core layer, and the cross section of the surface layer is circular; the ratio of the cross-sectional areas of the core layer and the skin layer is 1: (0.7-0.8); the core layer is prepared from the following raw materials in parts by weight: 90-95 parts of polyethylene terephthalate and 5-10 parts of poly (pentanediamine adipate); the skin layer is prepared from the following raw materials in parts by weight: 4-8 parts of polyethylene terephthalate, 86-92 parts of poly-pentanediamine adipate, 1.6-2.0 parts of nano graphene sheet, 6-9 parts of chitosan, 3-5 parts of diatomite, 3-4 parts of fumed silica and 4-5 parts of a dispersing agent. The chitosan antibacterial fabric has high antibacterial rate and good antibacterial effect; good wear resistance, high tensile strength and good mechanical property.
Description
Technical Field
The invention relates to the technical field of textile fabrics, in particular to a chitosan antibacterial fabric and a preparation method and a product thereof.
Background
Fabric is the material used to make clothing. As one of the three elements of the garment, the fabric not only can explain the style and the characteristics of the garment, but also directly controls the expression effects of the color and the shape of the garment. The functional fabric refers to a fabric with certain special performance and purposes, such as water resistance, wind resistance, air permeability, moisture permeability, heat preservation, oil resistance, easy decontamination, bacteria resistance, deodorization, ultraviolet resistance, static resistance, radiation resistance, flame resistance, high temperature resistance, acid and alkali resistance and the like. The functional fabric in the market is mainly made of garment fabric and is mainly used for outdoor sportswear and high-grade casual clothes. Among the new functional textile materials, polyester fiber is the most developed synthetic fiber.
Polyester fibers, commonly known as "dacron". The PET fiber is a synthetic fiber obtained by spinning polyester formed by polycondensation of organic dibasic acid and dihydric alcohol, is called PET fiber for short, and belongs to a high molecular compound.
Nylon is a term for polyamide fiber (nylon) and can be made into long fibers or short fibers. Nylon is a trade name for polyamide fiber, also known as Nylon (Nylon). The basic component of Polyamide (abbreviated as PA) is aliphatic Polyamide linked by amide bonds [ NHCO ] -.
However, the currently used fabrics still have the following problems:
1. the antibacterial and bacteriostatic effects are poor, when the fabric is used as a clothing fabric and sweats or has other pollution, bacteria are easy to breed, the health is affected, even smelly is generated, and the use experience is poor;
2. antibacterial agents such as nano silver and the like are usually added, so that the antibacterial effect is poor and not lasting, and the mechanical property of the fabric is influenced;
3. the fabric has poor mechanical property and wear resistance, is easy to scratch when used as a fabric of outdoor (sports) articles and/or clothes, and has short service life.
Disclosure of Invention
Based on the situation, the invention aims to provide a chitosan antibacterial fabric, a preparation method thereof and a product, which can effectively solve the problems.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a chitosan antibacterial fabric is prepared by performing a knitting or weaving process on sheath-core composite filaments;
the sheath-core composite filament comprises a core layer and a sheath layer;
the skin layer is coated on the outer surface of the core layer, and the cross section of the skin layer is circular;
the ratio of the cross-sectional areas of the core layer and the skin layer is 1: (0.7-0.8);
the core layer is prepared from the following raw materials in parts by weight:
90-95 parts of polyethylene terephthalate,
5-10 parts of poly (pentanediamine adipate);
the skin layer is prepared from the following raw materials in parts by weight:
4-8 parts of polyethylene terephthalate,
86-92 parts of poly (pentanediamine adipate),
1.6-2.0 parts of nano graphene sheet,
6-9 parts of chitosan,
3-5 parts of diatomite,
3-4 parts of fumed silica,
4-5 parts of a dispersing agent.
Preferably, the ratio of the cross-sectional areas of the core layer and the skin layer is 1: 0.75;
preferably, the core layer is prepared from the following raw materials in parts by weight:
93 portions of polyethylene terephthalate,
7 parts of poly (pentanediamine adipate);
preferably, the skin layer is prepared from the following raw materials in parts by weight:
6 parts of polyethylene terephthalate,
90 parts of poly (glutaric adipamide),
1.8 parts of nano graphene sheet,
7.5 parts of chitosan,
4 portions of diatomite,
3.5 parts of fumed silica,
4.5 parts of a dispersing agent.
Preferably, the skin layer further comprises the following raw materials in parts by weight: 2-3 parts of chitosan sodium phosphate.
The flame retardant property of the sheath-core composite filament can be improved by adding a proper amount of chitosan sodium phosphate;
preferably, the thickness of the nano graphene sheet is 5-10 nm, and the size of the micro sheet is 5-8 μm.
Preferably, the relative molecular weight of the chitosan is 5-8 ten thousand, and the deacetylation degree is 87.5-88.5%.
Preferably, the diatomite is ultrafine diatomite.
Preferably, the dispersant is a graphene dispersant KYC-913 of Germany and scientific chemistry.
The invention also provides a preparation method of the chitosan antibacterial fabric, which comprises the following steps:
A. weighing the raw materials of the core layer and the skin layer according to the parts by weight, respectively drying the raw materials of the core layer and the skin layer until the water content of the raw materials of the core layer and the skin layer is lower than 3 per thousand; then, respectively and uniformly mixing the raw materials of the core layer and the skin layer for later use;
B. feeding the mixed core layer raw materials into a single-screw extruder to be melted into a core layer mixed melt;
C. feeding the mixed skin layer raw materials into a double-screw extruder to be melted into skin layer mixed melt;
D. the core layer mixed melt and the skin layer mixed melt enter a composite spinning machine, are sprayed out from a composite spinneret plate after being subjected to melt distribution to form a strand silk with a core layer structure and a skin layer structure, and are subjected to air blowing cooling, oiling, stretching and winding to obtain a skin-core type composite filament;
E. and then the sheath-core composite filament is subjected to a knitting or weaving process to prepare the chitosan antibacterial fabric.
The invention also provides a chitosan antibacterial fabric product which is prepared from the chitosan antibacterial fabric.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the core-skin composite filament selected by the chitosan antibacterial fabric has a core layer and a skin layer structure, each layer of raw materials is selected to be composed, the content of each raw material is optimized, and the chitosan antibacterial fabric prepared by the core-skin composite filament through a knitting or weaving process has high antibacterial rate and good antibacterial effect; good wear resistance, high tensile strength and good mechanical property.
In the sheath-core composite filament, the core layer adopts polyethylene terephthalate as a main matrix material, so that the sheath-core composite filament has high tensile strength and good wear resistance, and ensures a good mechanical property foundation.
And a proper amount of poly (penta-diamine adipate) is added, so that the compatibility with the skin layer is improved, and the strength, resilience and the like of the core layer can be increased.
The core layer adopts the poly (pentanediamine adipate) as a main composite base material, has higher strength and better wear resistance than the core layer, has better softness and rebound resilience, and provides guarantee for guaranteeing the good mechanical property of the sheath-core composite filament after other additives are added.
And a proper amount of polyethylene terephthalate is added, so that the compatibility with the core layer is improved, and the good mechanical property of the sheath-core composite filament is ensured.
The appropriate amount of nano graphene sheets are added and matched with other components, so that the wear resistance and the anti-attrition performance of the skin-core composite filament are greatly improved; and the mechanical properties such as tensile strength and the like of the sheath-core composite filament are further improved, and good antibacterial performance can be provided.
The appropriate amount of the nano graphene sheets, the chitosan and the diatomite are added and matched with each other to play a good synergistic effect, so that the antibacterial rate of the sheath-core composite filament is remarkably improved, the antibacterial effect is greatly improved, the chitosan and the diatomite also provide good biodegradability, and when the sheath-core composite filament is discarded in the environment, the sheath-core composite filament has a high degradation speed and is environment-friendly.
The mechanical properties such as tensile strength and the like of the sheath-core composite filament are obviously improved by adding a proper amount of fumed silica.
The flame retardant property of the sheath-core composite filament yarn can be improved by adding a proper amount of chitosan sodium phosphate.
The proper amount of dispersant (graphene dispersant KYC-913) is added to play a good dispersion compatibility for all the raw materials (mainly nano graphene sheets and gas-phase silicon dioxide) of the skin layer of the skin-core type composite filament, so that all the raw materials of the skin layer of the skin-core type composite filament are easier to mix uniformly, and the mechanical property and the wear resistance of the chitosan antibacterial fabric prepared by the skin-core type composite filament through a knitting or weaving process are ensured.
The preparation method has simple process and simple and convenient operation, and saves manpower and equipment cost.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in connection with specific examples, which should not be construed as limiting the present patent.
The test methods or test methods described in the following examples are conventional methods unless otherwise specified; the reagents and materials, unless otherwise indicated, are conventionally obtained commercially or prepared by conventional methods.
Example 1:
a chitosan antibacterial fabric is prepared by performing a knitting or weaving process on sheath-core composite filaments;
the sheath-core composite filament comprises a core layer and a sheath layer;
the skin layer is coated on the outer surface of the core layer, and the cross section of the skin layer is circular;
the ratio of the cross-sectional areas of the core layer and the skin layer is 1: (0.7-0.8);
the core layer is prepared from the following raw materials in parts by weight:
90-95 parts of polyethylene terephthalate,
5-10 parts of poly (pentanediamine adipate);
the skin layer is prepared from the following raw materials in parts by weight:
4-8 parts of polyethylene terephthalate,
86-92 parts of poly (pentanediamine adipate),
1.6-2.0 parts of nano graphene sheet,
6-9 parts of chitosan,
3-5 parts of diatomite,
3-4 parts of fumed silica,
4-5 parts of a dispersing agent.
In this embodiment, the ratio of the cross-sectional areas of the core layer and the skin layer is 1: 0.75;
in this embodiment, the core layer is made of the following raw materials in parts by weight:
93 portions of polyethylene terephthalate,
7 parts of poly (pentanediamine adipate);
in this embodiment, the skin layer is made of the following raw materials in parts by weight:
6 parts of polyethylene terephthalate,
90 parts of poly (glutaric adipamide),
1.8 parts of nano graphene sheet,
7.5 parts of chitosan,
4 portions of diatomite,
3.5 parts of fumed silica,
4.5 parts of a dispersing agent.
In this embodiment, the skin layer further includes the following raw materials in parts by weight: 2-3 parts of chitosan sodium phosphate.
In the embodiment, the thickness of the nano graphene sheet is 5-10 nm, and the size of the nanoplatelets is 5-8 μm.
In the embodiment, the relative molecular weight of the chitosan is 5-8 ten thousand, and the degree of deacetylation is 87.5-88.5%.
In this embodiment, the diatomaceous earth is ultrafine diatomaceous earth.
In the embodiment, the dispersant is a graphene dispersant KYC-913 of Germany Kagaku chemistry.
The embodiment also provides a preparation method of the chitosan antibacterial fabric, which comprises the following steps:
A. weighing the raw materials of the core layer and the skin layer according to the parts by weight, respectively drying the raw materials of the core layer and the skin layer until the water content of the raw materials of the core layer and the skin layer is lower than 3 per thousand; then, respectively and uniformly mixing the raw materials of the core layer and the skin layer for later use;
B. feeding the mixed core layer raw materials into a single-screw extruder to be melted into a core layer mixed melt;
C. feeding the mixed skin layer raw materials into a double-screw extruder to be melted into skin layer mixed melt;
D. the core layer mixed melt and the skin layer mixed melt enter a composite spinning machine, are sprayed out from a composite spinneret plate after being subjected to melt distribution to form a strand silk with a core layer structure and a skin layer structure, and are subjected to air blowing cooling, oiling, stretching and winding to obtain a skin-core type composite filament;
E. and then the sheath-core composite filament is subjected to a knitting or weaving process to prepare the chitosan antibacterial fabric.
The embodiment also provides a chitosan antibacterial fabric product which is prepared by adopting the chitosan antibacterial fabric.
Example 2:
a chitosan antibacterial fabric is prepared by performing a knitting or weaving process on sheath-core composite filaments;
the sheath-core composite filament comprises a core layer and a sheath layer;
the skin layer is coated on the outer surface of the core layer, and the cross section of the skin layer is circular;
the ratio of the cross-sectional areas of the core layer and the skin layer is 1: 0.7;
the core layer is prepared from the following raw materials in parts by weight:
90 parts of polyethylene terephthalate,
5 parts of poly (pentanediamine adipate);
the skin layer is prepared from the following raw materials in parts by weight:
4 parts of polyethylene terephthalate,
86 parts of poly (glutaric adipamide),
1.6 parts of nano graphene sheet,
6 portions of chitosan,
3 portions of diatomite,
3 parts of fumed silica,
4 parts of a dispersing agent.
In this embodiment, the skin layer further includes the following raw materials in parts by weight: and 2 parts of chitosan sodium phosphate.
In the embodiment, the thickness of the nano graphene sheet is 5-8 nm, and the size of the micro sheet is 5-7 μm.
In this example, the chitosan had a relative molecular weight of 5 ten thousand and a degree of deacetylation of 87.5%.
In this embodiment, the diatomaceous earth is ultrafine diatomaceous earth.
In the embodiment, the dispersant is a graphene dispersant KYC-913 of Germany Kagaku chemistry.
In this embodiment, the preparation method of the chitosan antibacterial fabric includes the following steps:
A. weighing the raw materials of the core layer and the skin layer according to the parts by weight, respectively drying the raw materials of the core layer and the skin layer until the water content of the raw materials of the core layer and the skin layer is lower than 2 per thousand; then, respectively and uniformly mixing the raw materials of the core layer and the skin layer for later use;
B. feeding the mixed core layer raw materials into a single-screw extruder to be melted into a core layer mixed melt;
C. feeding the mixed skin layer raw materials into a double-screw extruder to be melted into skin layer mixed melt;
D. the core layer mixed melt and the skin layer mixed melt enter a composite spinning machine, are sprayed out from a composite spinneret plate after being subjected to melt distribution to form a strand silk with a core layer structure and a skin layer structure, and are subjected to air blowing cooling, oiling, stretching and winding to obtain a skin-core type composite filament;
E. and then the sheath-core composite filament is knitted to prepare the chitosan antibacterial fabric.
The embodiment also provides a chitosan antibacterial fabric product which is prepared by adopting the chitosan antibacterial fabric.
Example 3:
a chitosan antibacterial fabric is prepared by performing a knitting or weaving process on sheath-core composite filaments;
the sheath-core composite filament comprises a core layer and a sheath layer;
the skin layer is coated on the outer surface of the core layer, and the cross section of the skin layer is circular;
the ratio of the cross-sectional areas of the core layer and the skin layer is 1: 0.8;
the core layer is prepared from the following raw materials in parts by weight:
95 parts of polyethylene terephthalate,
10 parts of poly (pentanediamine adipate);
the skin layer is prepared from the following raw materials in parts by weight:
8 parts of polyethylene terephthalate,
92 parts of poly (glutaric adipamide),
2.0 parts of nano graphene sheet,
9 portions of chitosan,
5 portions of diatomite,
4 parts of fumed silica,
5 parts of a dispersing agent.
In this embodiment, the skin layer further includes the following raw materials in parts by weight: and 3 parts of chitosan sodium phosphate.
In the embodiment, the thickness of the nano graphene sheet is 8-10 nm, and the size of the micro sheet is 6-8 μm.
In this example, the chitosan had a relative molecular weight of 8 ten thousand and a degree of deacetylation of 88.5%.
In this embodiment, the diatomaceous earth is ultrafine diatomaceous earth.
In the embodiment, the dispersant is a graphene dispersant KYC-913 of Germany Kagaku chemistry.
In this embodiment, the preparation method of the chitosan antibacterial fabric includes the following steps:
A. weighing the raw materials of the core layer and the skin layer according to the parts by weight, respectively drying the raw materials of the core layer and the skin layer until the water content of the raw materials of the core layer and the skin layer is lower than 2 per thousand; then, respectively and uniformly mixing the raw materials of the core layer and the skin layer for later use;
B. feeding the mixed core layer raw materials into a single-screw extruder to be melted into a core layer mixed melt;
C. feeding the mixed skin layer raw materials into a double-screw extruder to be melted into skin layer mixed melt;
D. the core layer mixed melt and the skin layer mixed melt enter a composite spinning machine, are sprayed out from a composite spinneret plate after being subjected to melt distribution to form a strand silk with a core layer structure and a skin layer structure, and are subjected to air blowing cooling, oiling, stretching and winding to obtain a skin-core type composite filament;
E. and then the sheath-core composite filament is knitted to prepare the chitosan antibacterial fabric.
The embodiment also provides a chitosan antibacterial fabric product which is prepared by adopting the chitosan antibacterial fabric.
Example 4:
a chitosan antibacterial fabric is prepared by performing a knitting or weaving process on sheath-core composite filaments;
the sheath-core composite filament comprises a core layer and a sheath layer;
the skin layer is coated on the outer surface of the core layer, and the cross section of the skin layer is circular;
in this embodiment, the ratio of the cross-sectional areas of the core layer and the skin layer is 1: 0.75;
in this embodiment, the core layer is made of the following raw materials in parts by weight:
93 portions of polyethylene terephthalate,
7 parts of poly (pentanediamine adipate);
in this embodiment, the skin layer is made of the following raw materials in parts by weight:
6 parts of polyethylene terephthalate,
90 parts of poly (glutaric adipamide),
1.8 parts of nano graphene sheet,
7.5 parts of chitosan,
4 portions of diatomite,
3.5 parts of fumed silica,
4.5 parts of a dispersing agent.
In this embodiment, the skin layer further includes the following raw materials in parts by weight: 2.5 parts of chitosan sodium phosphate.
In the embodiment, the thickness of the nano graphene sheet is 6-8 nm, and the size of the micro sheet is 6-7 μm.
In this example, the chitosan had a relative molecular weight of 6.5 ten thousand and a degree of deacetylation of 88.2%.
In this embodiment, the diatomaceous earth is ultrafine diatomaceous earth.
In the embodiment, the dispersant is a graphene dispersant KYC-913 of Germany Kagaku chemistry.
In this embodiment, the preparation method of the chitosan antibacterial fabric includes the following steps:
A. weighing the raw materials of the core layer and the skin layer according to the parts by weight, respectively drying the raw materials of the core layer and the skin layer until the water content of the raw materials of the core layer and the skin layer is lower than 2 per thousand; then, respectively and uniformly mixing the raw materials of the core layer and the skin layer for later use;
B. feeding the mixed core layer raw materials into a single-screw extruder to be melted into a core layer mixed melt;
C. feeding the mixed skin layer raw materials into a double-screw extruder to be melted into skin layer mixed melt;
D. the core layer mixed melt and the skin layer mixed melt enter a composite spinning machine, are sprayed out from a composite spinneret plate after being subjected to melt distribution to form a strand silk with a core layer structure and a skin layer structure, and are subjected to air blowing cooling, oiling, stretching and winding to obtain a skin-core type composite filament;
E. and then the sheath-core composite filament is knitted to prepare the chitosan antibacterial fabric.
The embodiment also provides a chitosan antibacterial fabric product which is prepared by adopting the chitosan antibacterial fabric.
Comparative example 1:
a chitosan antibacterial fabric is prepared by knitting composite filaments;
in this embodiment, the composite filament is made from the following raw materials in parts by weight:
6 parts of polyethylene terephthalate,
90 parts of poly (glutaric adipamide),
1.8 parts of nano graphene sheet,
7.5 parts of chitosan,
4 portions of diatomite,
3.5 parts of fumed silica,
4.5 parts of a dispersing agent.
In this embodiment, the composite filament further includes the following raw materials in parts by weight: 2.5 parts of chitosan sodium phosphate.
In the embodiment, the thickness of the nano graphene sheet is 6-8 nm, and the size of the micro sheet is 6-7 μm.
In this example, the chitosan had a relative molecular weight of 6.5 ten thousand and a degree of deacetylation of 88.2%.
In this embodiment, the diatomaceous earth is ultrafine diatomaceous earth.
In the embodiment, the dispersant is a graphene dispersant KYC-913 of Germany Kagaku chemistry.
In this embodiment, the preparation method of the chitosan antibacterial fabric includes the following steps:
A. weighing the raw materials of the composite filament according to parts by weight, respectively drying the raw materials until the water content of each raw material is less than 2 per thousand; then mixing evenly for standby;
C. feeding the mixed raw materials into a double-screw extruder to be melted into a mixed melt;
D. the mixed melt enters a spinning machine, is sprayed out from a spinneret plate to form a strand silk, and then is subjected to air blowing cooling, oiling, stretching and winding to obtain a composite filament;
E. and then the composite filament is knitted to prepare the chitosan antibacterial fabric.
Comparative example 2:
the difference from example 4 is that there is no nano-graphene sheet, and the rest is the same as example 4.
Comparative example 3:
the difference from example 4 is that there is no chitosan, and the other is the same as example 4.
Comparative example 4:
the difference from example 4 is that no diatomaceous earth is present, and the rest is the same as example 4.
Comparative example 5:
the difference from example 4 is that fumed silica is not present, and the rest is the same as example 4.
The following chitosan antibacterial fabrics (gram weight 500 g/m) obtained in examples 2 to 4 of the present invention and comparative examples 1 to 52) And commercial polyester fabric (gram weight 500 g/m)2) The performance test was performed, and the test results are shown in table 1:
TABLE 1
As can be seen from the above table, the chitosan antibacterial fabric of the present invention has the following advantages: the antibacterial rate is high, and the antibacterial effect is good; good wear resistance, high tensile strength and good mechanical property.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the 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 these modifications and adaptations should be considered within the scope of the invention.
Claims (10)
1. The chitosan antibacterial fabric is characterized in that the chitosan antibacterial fabric is prepared by performing a knitting or weaving process on sheath-core composite filaments;
the sheath-core composite filament comprises a core layer and a sheath layer;
the skin layer is coated on the outer surface of the core layer, and the cross section of the skin layer is circular;
the ratio of the cross-sectional areas of the core layer and the skin layer is 1: (0.7-0.8);
the core layer is prepared from the following raw materials in parts by weight:
90-95 parts of polyethylene terephthalate,
5-10 parts of poly (pentanediamine adipate);
the skin layer is prepared from the following raw materials in parts by weight:
4-8 parts of polyethylene terephthalate,
86-92 parts of poly (pentanediamine adipate),
1.6-2.0 parts of nano graphene sheet,
6-9 parts of chitosan,
3-5 parts of diatomite,
3-4 parts of fumed silica,
4-5 parts of a dispersing agent.
2. The chitosan antibacterial fabric according to claim 1, wherein the ratio of the cross-sectional areas of the core layer and the skin layer is 1: 0.75.
3. the chitosan antibacterial fabric according to claim 1, wherein the core layer is prepared from the following raw materials in parts by weight:
93 portions of polyethylene terephthalate,
7 parts of poly (pentanediamine adipate);
the skin layer is prepared from the following raw materials in parts by weight:
6 parts of polyethylene terephthalate,
90 parts of poly (glutaric adipamide),
1.8 parts of nano graphene sheet,
7.5 parts of chitosan,
4 portions of diatomite,
3.5 parts of fumed silica,
4.5 parts of a dispersing agent.
4. The chitosan antibacterial fabric according to claim 1, wherein the skin layer further comprises the following raw materials in parts by weight: 2-3 parts of chitosan sodium phosphate.
5. The chitosan antibacterial fabric according to claim 1, wherein the nano graphene sheets have a thickness of 5-10 nm and a micro sheet size of 5-8 μm.
6. The chitosan antibacterial fabric according to claim 1, wherein the chitosan has a relative molecular weight of 5-8 ten thousand and a degree of deacetylation of 87.5-88.5%.
7. The chitosan antibacterial fabric according to claim 1, wherein the diatomite is ultrafine diatomite.
8. The chitosan antibacterial fabric according to claim 1, wherein the dispersant is graphene dispersant KYC-913 of Germany Kagaku chemistry.
9. The preparation method of the chitosan antibacterial fabric as claimed in any one of claims 1 to 8, which comprises the following steps:
A. weighing the raw materials of the core layer and the skin layer according to the parts by weight, respectively drying the raw materials of the core layer and the skin layer until the water content of the raw materials of the core layer and the skin layer is lower than 3 per thousand; then, respectively and uniformly mixing the raw materials of the core layer and the skin layer for later use;
B. feeding the mixed core layer raw materials into a single-screw extruder to be melted into a core layer mixed melt;
C. feeding the mixed skin layer raw materials into a double-screw extruder to be melted into skin layer mixed melt;
D. the core layer mixed melt and the skin layer mixed melt enter a composite spinning machine, are sprayed out from a composite spinneret plate after being subjected to melt distribution to form a strand silk with a core layer structure and a skin layer structure, and are subjected to air blowing cooling, oiling, stretching and winding to obtain a skin-core type composite filament;
E. and then the sheath-core composite filament is subjected to a knitting or weaving process to prepare the chitosan antibacterial fabric.
10. A chitosan antibacterial fabric product, which is characterized by being prepared from the chitosan antibacterial fabric as claimed in any one of claims 1 to 8.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112048817A (en) * | 2020-09-04 | 2020-12-08 | 润克(集团)股份有限公司 | Warm-keeping and antibacterial school uniform fabric and preparation method thereof |
| CN112160049A (en) * | 2020-09-12 | 2021-01-01 | 高文灿 | Sun-proof antibacterial textile fabric and preparation method thereof |
| CN113185666A (en) * | 2021-05-10 | 2021-07-30 | 广东足迹鞋业有限公司 | Shoe pad with good elasticity and manufacturing process |
| CN115772715A (en) * | 2022-12-01 | 2023-03-10 | 无锡金通高纤股份有限公司 | Degradable sheath-core composite monofilament and preparation method thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585457A (en) * | 2012-02-03 | 2012-07-18 | 华南理工大学 | Preparation method of nano polyester fiber master batch |
| CN103436982A (en) * | 2013-09-03 | 2013-12-11 | 陈曦 | Modified polyester fiber and preparation method thereof |
| CN104451926A (en) * | 2014-12-23 | 2015-03-25 | 常熟市云燕化纤有限公司 | Composite antibacterial fiber |
| CN104553172A (en) * | 2015-01-05 | 2015-04-29 | 芜湖环瑞汽车内饰件有限公司 | Activated carbon-EVA composite emulsion coated polypropylene-based non-woven sound absorbing material for automobile interior decoration |
| CN104762695A (en) * | 2015-03-31 | 2015-07-08 | 上海小绵羊实业有限公司 | Biodegradable polyester/recycled polyester sheath-core fiber and preparation method thereof |
| CN106222795A (en) * | 2008-10-17 | 2016-12-14 | 英威达技术有限公司 | Bicomponent spandex |
| CN107778785A (en) * | 2016-08-27 | 2018-03-09 | 苏州市苏宏塑料有限公司 | Master batch for polyester filament production and its preparation method and application |
| CN109385915A (en) * | 2018-10-26 | 2019-02-26 | 长沙浩然医疗科技有限公司 | A kind of antibacterial underwear material and preparation method thereof |
| CN110241479A (en) * | 2019-06-12 | 2019-09-17 | 佛山新晟泰新材料技术有限公司 | A kind of permanent curl Europe root yarn and preparation method thereof |
| CN110257952A (en) * | 2019-06-27 | 2019-09-20 | 苏州峰佳达化纤纺织有限公司 | A kind of preparation method of high-strength ventilative polyamide composite filaments |
| CN110453309A (en) * | 2019-08-19 | 2019-11-15 | 泰能环保科技（浙江）有限公司 | A kind of antistatic antibiotic composite fibre and preparation method thereof of graphene enhancing |
-
2019
- 2019-12-18 CN CN201911309698.4A patent/CN111020727A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106222795A (en) * | 2008-10-17 | 2016-12-14 | 英威达技术有限公司 | Bicomponent spandex |
| CN102585457A (en) * | 2012-02-03 | 2012-07-18 | 华南理工大学 | Preparation method of nano polyester fiber master batch |
| CN103436982A (en) * | 2013-09-03 | 2013-12-11 | 陈曦 | Modified polyester fiber and preparation method thereof |
| CN104451926A (en) * | 2014-12-23 | 2015-03-25 | 常熟市云燕化纤有限公司 | Composite antibacterial fiber |
| CN104553172A (en) * | 2015-01-05 | 2015-04-29 | 芜湖环瑞汽车内饰件有限公司 | Activated carbon-EVA composite emulsion coated polypropylene-based non-woven sound absorbing material for automobile interior decoration |
| CN104762695A (en) * | 2015-03-31 | 2015-07-08 | 上海小绵羊实业有限公司 | Biodegradable polyester/recycled polyester sheath-core fiber and preparation method thereof |
| CN107778785A (en) * | 2016-08-27 | 2018-03-09 | 苏州市苏宏塑料有限公司 | Master batch for polyester filament production and its preparation method and application |
| CN109385915A (en) * | 2018-10-26 | 2019-02-26 | 长沙浩然医疗科技有限公司 | A kind of antibacterial underwear material and preparation method thereof |
| CN110241479A (en) * | 2019-06-12 | 2019-09-17 | 佛山新晟泰新材料技术有限公司 | A kind of permanent curl Europe root yarn and preparation method thereof |
| CN110257952A (en) * | 2019-06-27 | 2019-09-20 | 苏州峰佳达化纤纺织有限公司 | A kind of preparation method of high-strength ventilative polyamide composite filaments |
| CN110453309A (en) * | 2019-08-19 | 2019-11-15 | 泰能环保科技（浙江）有限公司 | A kind of antistatic antibiotic composite fibre and preparation method thereof of graphene enhancing |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112048817A (en) * | 2020-09-04 | 2020-12-08 | 润克(集团)股份有限公司 | Warm-keeping and antibacterial school uniform fabric and preparation method thereof |
| CN112048817B (en) * | 2020-09-04 | 2022-04-05 | 润克(集团)股份有限公司 | Warm-keeping and antibacterial school uniform fabric and preparation method thereof |
| CN114606635A (en) * | 2020-09-04 | 2022-06-10 | 润克(集团)股份有限公司 | Antibacterial elastic school uniform fabric and preparation method thereof |
| CN114606635B (en) * | 2020-09-04 | 2024-02-13 | 润克(集团)股份有限公司 | Antibacterial elastic school wear fabric and preparation method thereof |
| CN112160049A (en) * | 2020-09-12 | 2021-01-01 | 高文灿 | Sun-proof antibacterial textile fabric and preparation method thereof |
| CN113185666A (en) * | 2021-05-10 | 2021-07-30 | 广东足迹鞋业有限公司 | Shoe pad with good elasticity and manufacturing process |
| CN115772715A (en) * | 2022-12-01 | 2023-03-10 | 无锡金通高纤股份有限公司 | Degradable sheath-core composite monofilament and preparation method thereof |
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Address after: No. 12, Fuxing Road, shangguo community, Xintang street, Jinjiang City, Quanzhou City, Fujian Province, 362200 Applicant after: Kalmer sporting goods Co.,Ltd. Address before: No. 12, Fuxing Road, shangguo community, Xintang street, Jinjiang City, Quanzhou City, Fujian Province, 362200 Applicant before: JINJIANG YUANXIANG CLOTHING WEAVING Co.,Ltd. |
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Application publication date: 20200417 |