CN111910285A - Graphene biological composite fiber and preparation method and application thereof - Google Patents
Graphene biological composite fiber and preparation method and application thereof Download PDFInfo
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- CN111910285A CN111910285A CN202010819191.XA CN202010819191A CN111910285A CN 111910285 A CN111910285 A CN 111910285A CN 202010819191 A CN202010819191 A CN 202010819191A CN 111910285 A CN111910285 A CN 111910285A
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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
- 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
- D01F6/92—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 polyesters
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/184—Preparation
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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
- D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2204/00—Structure or properties of graphene
- C01B2204/04—Specific amount of layers or specific thickness
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Carbon And Carbon Compounds (AREA)
- Artificial Filaments (AREA)
- Inorganic Fibers (AREA)
Abstract
The invention discloses a graphene biological composite fiber and a preparation method and application thereof, and the preparation method of the graphene biological composite fiber comprises the following steps: the method comprises the following steps: mixing graphene and polyester chips, and then grinding to obtain polyester-graphene mixed powder; step two: stirring and drying the terylene-graphene mixed powder; step three: injecting the dried terylene-graphene mixed powder into a double-screw extruder to prepare a terylene-graphene mixed strip material; according to the invention, the graphene and the terylene are mixed to prepare the composite fiber, so that the good wrinkle resistance and shape retention of the terylene fiber are maintained, meanwhile, the composite fiber has good performances of far infrared, ultraviolet resistance, static resistance, antibiosis/bacteriostasis and the like by adding the graphene, and the defects of low water absorption and easy generation of a large amount of static electricity due to friction of the traditional terylene fiber can be effectively eliminated by utilizing the characteristics of the graphene, so that the composite fiber is beneficial to wide application in the textile field.
Description
Technical Field
The invention relates to a composite fiber, in particular to a graphene biological composite fiber and a preparation method and application thereof.
Background
Graphene is the thinnest two-dimensional nanomaterial known at present, the crystal lattice of the graphene is a hexagon surrounded by six carbon atoms, the thickness of the graphene is one atomic layer, the carbon atoms are connected by s bonds, the combination mode is sp2 hybridization, the s bonds endow the graphene with extremely excellent mechanical property and structural rigidity, and the strength of the graphene is 100 times stronger than that of the best steel. Graphene has very high conductivity and is the material with the smallest resistivity in the world; graphene is also a very good antimicrobial material. Based on the mechanical properties of graphene, the graphene can be added into a polymer matrix, so that the mechanical properties of the material, such as tensile strength, modulus, hardness and the like, can be well improved; based on the excellent electrical property of graphene, the graphene composite material can be added into a composite material to enable an insulator to be a conductive material, and the effect is very obvious; the graphene can also be added into the composite material to increase the functionality, such as antibacterial property, flame retardance, radiation resistance and the like, which the composite material does not have. Thus, graphene nanocomposites have unparalleled advantages over other nanocomposites.
Polyester is an important variety of synthetic fibers, and is a fiber prepared by taking polyethylene terephthalate (PET) as a raw material and performing spinning and post-treatment. The terylene is a synthetic fiber variety with the largest world output and the most extensive application, and accounts for more than 60 percent of the world synthetic fiber output. The fiber is widely used for textiles such as clothing materials, bedding, various decorative fabrics, national defense and military industry special fabrics and other industrial fiber products. The terylene has the greatest advantages of good crease resistance and shape retention, thus being suitable for being used as outdoor articles such as coat clothes, various bags and tents and the like. The elasticity of the terylene is similar to that of wool, the wrinkle resistance of the terylene exceeds that of other fibers, the terylene does not wrinkle, and the terylene has good shape retention. However, the water absorption is low, and the static electricity generated by friction is large, so that the requirements of people cannot be met.
Disclosure of Invention
The invention aims to provide a graphene biological composite fiber, a preparation method and an application thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a preparation method of a graphene biological composite fiber, which comprises the following steps:
the method comprises the following steps: mixing graphene and polyester chips, and then grinding to obtain polyester-graphene mixed powder;
step two: stirring and drying the terylene-graphene mixed powder;
step three: injecting the dried terylene-graphene mixed powder into a double-screw extruder to prepare a terylene-graphene mixed strip material;
step four: dicing the polyester-graphene mixed strip material to prepare polyester-graphene mixed master batch;
step five: and drying the terylene-graphene mixed master batch, performing melt spinning on the terylene-graphene mixed master batch, then slowly cooling, forming, stretching, quenching and winding to prepare the graphene-terylene nano composite fiber.
As a further scheme of the invention: the ratio of the graphene to the polyester chips in the first step is 3: 100-15: 100, wherein the particle diameter of the terylene-graphene mixed powder prepared in the first step is less than or equal to 8 mu m.
As a further scheme of the invention: and the stirring and drying in the step two is low-temperature negative-pressure stirring and drying.
As a further scheme of the invention: and fifthly, the melt spinning temperature is 260-320 ℃, the spinning traction speed is 600-1000 m/min, the drawn silk yarn is guided into a slow cooling device, the slow cooling temperature is 280-300 ℃, the silk yarn is formed and stretched in the slow cooling process, then the silk yarn is guided into cold water for quenching solidification, and finally the silk yarn is wound, wherein the water temperature for quenching solidification is 30-45 ℃.
As a further scheme of the invention: the graphene in the first step is 1-9 layers of non-oxidized graphene, the graphene is prepared from biomass raw materials, and the preparation method comprises the following steps:
A) extracting cellulose from biomass raw materials;
B) carrying out ultrasonic cleaning on cellulose, filtering and drying;
C) heating and calcining cellulose by using an atmosphere sintering furnace under protective gas to obtain a carbonized material;
D) soaking the carbonized material in acid liquor, filtering, removing impurities, and drying to obtain biomass carbon;
E) and carrying out high-temperature graphitization on the biomass carbon under protective gas by using an atmosphere sintering furnace to obtain the graphene.
As a further scheme of the invention: the biomass raw material in the step A is a crude fiber plant, and the biomass raw material in the step A is preferably one or a combination of rice straw, corn stalk, sorghum stalk, bagasse, cotton stalk and bamboo leaf
As a still further scheme of the invention: the step B, C, E is performed in a protective atmosphere, wherein the protective atmosphere is any one of nitrogen, argon, xenon, and ammonia.
The second aspect of the invention provides a graphene biological composite fiber prepared by the preparation method.
The third aspect of the invention provides an application of graphene biological composite fibers in preparing textiles, wherein the textiles comprise clothes, apparel accessories, household textiles, decorative cloth products, bedding products, mattresses, gloves, hats, socks and blankets.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the graphene and the terylene are mixed to prepare the composite fiber, so that the good wrinkle resistance and shape retention of the terylene fiber are maintained, meanwhile, the composite fiber has good performances of far infrared, ultraviolet resistance, static resistance, antibiosis/bacteriostasis and the like by adding the graphene, and the defects of low water absorption and easy generation of a large amount of static electricity due to friction of the traditional terylene fiber can be effectively eliminated by utilizing the characteristics of the graphene, so that the composite fiber is beneficial to wide application in the textile field.
2. According to the invention, the cellulose extracted from the crude fiber plant is used as the raw material of the graphene, so that the production cost of the graphene can be effectively reduced, and the marketization and the application popularization of the graphene product are facilitated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a preparation method of a graphene biological composite fiber, which comprises the following steps:
the method comprises the following steps: mixing graphene and polyester chips, and then grinding to obtain polyester-graphene mixed powder;
step two: stirring and drying the terylene-graphene mixed powder;
step three: injecting the dried terylene-graphene mixed powder into a double-screw extruder to prepare a terylene-graphene mixed strip material;
step four: dicing the polyester-graphene mixed strip material to prepare polyester-graphene mixed master batch;
step five: and drying the terylene-graphene mixed master batch, performing melt spinning on the terylene-graphene mixed master batch, then slowly cooling, forming, stretching, quenching and winding to prepare the graphene-terylene nano composite fiber.
As a further scheme of the invention: the ratio of the graphene to the polyester chips in the first step is 3: 100-15: 100, wherein the particle diameter of the terylene-graphene mixed powder prepared in the first step is less than or equal to 8 mu m.
As a further scheme of the invention: and the stirring and drying in the step two is low-temperature negative-pressure stirring and drying.
As a further scheme of the invention: and fifthly, the melt spinning temperature is 260-320 ℃, the spinning traction speed is 600-1000 m/min, the drawn silk yarn is guided into a slow cooling device, the slow cooling temperature is 280-300 ℃, the silk yarn is formed and stretched in the slow cooling process, then the silk yarn is guided into cold water for quenching solidification, and finally the silk yarn is wound, wherein the water temperature for quenching solidification is 30-45 ℃.
As a further scheme of the invention: the graphene in the first step is 1-9 layers of non-oxidized graphene, the graphene is prepared from biomass raw materials, and the preparation method comprises the following steps:
A) extracting cellulose from biomass raw materials;
B) carrying out ultrasonic cleaning on cellulose, filtering and drying;
C) heating and calcining cellulose by using an atmosphere sintering furnace under protective gas to obtain a carbonized material;
D) soaking the carbonized material in acid liquor, filtering, removing impurities, and drying to obtain biomass carbon;
E) and carrying out high-temperature graphitization on the biomass carbon under protective gas by using an atmosphere sintering furnace to obtain the graphene.
As a further scheme of the invention: the biomass raw material in the step A is a crude fiber plant, and the biomass raw material in the step A is preferably one or a combination of rice straw, corn stalk, sorghum stalk, bagasse, cotton stalk and bamboo leaf
As a still further scheme of the invention: the step B, C, E is performed in a protective atmosphere, wherein the protective atmosphere is any one of nitrogen, argon, xenon, and ammonia.
The second aspect of the invention provides a graphene biological composite fiber prepared by the preparation method.
The third aspect of the invention provides an application of graphene biological composite fibers in preparing textiles, wherein the textiles comprise clothes, apparel accessories, household textiles, decorative cloth products, bedding products, mattresses, gloves, hats, socks and blankets.
Example 1:
crushing crude fiber plant tissues such as rice straws, corn straws and sorghum straws, and then placing the crushed crude fiber plant tissues into high-temperature alkali liquor to perform hydrothermal reaction, wherein the high-temperature alkali liquor is preferably sodium hydroxide with the molar concentration of 6-8 mol/L, the temperature of the hydrothermal reaction is 140 ℃, and the duration is 4 hours.
And after the hydrothermal reaction is finished, cooling the alkali liquor to room temperature and filtering to obtain cellulose, cleaning the cellulose by using an ultrasonic cleaner with the power of 180W and the frequency of 75KHz, and drying the cellulose at low temperature in a negative pressure protective atmosphere after the cleaning is finished.
And then, heating and calcining the cellulose by using an atmosphere sintering furnace under protective gas to obtain the carbonized material, wherein the calcining heating speed is 8 ℃/min, the calcining temperature is 850 ℃, and the calcining heat preservation time is 3.5 h.
And soaking the carbonized material by using a mixed acid solution with the molar concentration of 2.5mol/L for 2.5h, washing by using deionized water after soaking is finished, and drying to obtain the biomass carbon.
And (2) carrying out high-temperature graphitization on the biomass carbon by using an atmosphere sintering furnace under protective gas to obtain graphene, wherein in the high-temperature graphitization process, the heating speed is 25 ℃/min, the calcination temperature is 2600 ℃, and the heat preservation time is 0.5 h.
Mixing graphene and polyester chips, and then grinding the mixture by using a ball mill to obtain polyester-graphene mixed powder, wherein the ratio of the graphene to the polyester chips is 12: 100, the particle diameter of the prepared terylene-graphene mixed powder is less than or equal to 6 mu m.
And (3) carrying out low-temperature negative-pressure stirring and drying on the prepared terylene-graphene mixed powder, so that the terylene-graphene mixed powder is stirred more uniformly in the drying process.
The preparation method comprises the steps of cutting a polyester-graphene mixed strip material into particles to obtain a polyester-graphene mixed master batch, drying the polyester-graphene mixed master batch, carrying out melt spinning on the polyester-graphene mixed master batch, then slowly cooling, forming, stretching, quenching and winding to prepare the graphene-polyester nano composite fiber, wherein the melt spinning temperature is 310 ℃, the spinning drawing speed is 850m/min, the drawn silk yarn is guided into a slow cooling device, the slow cooling temperature is 280 ℃, the silk yarn is formed and stretched in the slow cooling process, then guided into cold water for quenching and curing, and finally wound, and the water temperature for quenching and curing is 35 ℃.
Example 2:
crushing crude fiber plant tissues such as rice straws, corn straws and sorghum straws, and then placing the crushed crude fiber plant tissues into high-temperature alkali liquor to perform hydrothermal reaction, wherein the high-temperature alkali liquor is preferably sodium hydroxide with the molar concentration of 6.7mol/L, the temperature of the hydrothermal reaction is 130 ℃, and the duration is 5 hours.
And after the hydrothermal reaction is finished, cooling the alkali liquor to room temperature and filtering to obtain cellulose, cleaning the cellulose by using an ultrasonic cleaner with the power of 200W and the frequency of 70KHz, and drying the cellulose at low temperature in a negative pressure protective atmosphere after the cleaning is finished.
And then, heating and calcining the cellulose by using an atmosphere sintering furnace under protective gas to obtain the carbonized material, wherein the calcining heating speed is 7 ℃/min, the calcining temperature is 900 ℃, and the calcining heat preservation time is 3 h.
And soaking the carbonized material by using a mixed acid solution with the molar concentration of 2.8mol/L for 2.3 hours, washing by using deionized water after soaking is finished, and drying to obtain the biomass carbon.
And (2) carrying out high-temperature graphitization on the biomass carbon by using an atmosphere sintering furnace under protective gas to obtain graphene, wherein in the high-temperature graphitization process, the heating speed is 23 ℃/min, the calcination temperature is 2500 ℃, and the heat preservation time is 0.6 h.
Mixing graphene and polyester chips, and then grinding the mixture by using a ball mill to obtain polyester-graphene mixed powder, wherein the ratio of the graphene to the polyester chips is 15: 100, the particle diameter of the prepared terylene-graphene mixed powder is less than or equal to 7 mu m.
And (3) carrying out low-temperature negative-pressure stirring and drying on the prepared terylene-graphene mixed powder, so that the terylene-graphene mixed powder is stirred more uniformly in the drying process.
The preparation method comprises the steps of cutting a polyester-graphene mixed strip material into particles to obtain a polyester-graphene mixed master batch, drying the polyester-graphene mixed master batch, carrying out melt spinning on the polyester-graphene mixed master batch, then slowly cooling, forming, stretching, quenching and winding to prepare the graphene-polyester nano composite fiber, wherein the melt spinning temperature is 300 ℃, the spinning drawing speed is 830m/min, the drawn silk yarn is guided into a slow cooling device, the slow cooling temperature is 2850 ℃, the silk yarn is formed and stretched in the slow cooling process, then guided into cold water for quenching and curing, and finally wound, and the water temperature for quenching and curing is 40 ℃.
Example 3:
crushing crude fiber plant tissues such as rice straws, corn straws and cotton straws, and then placing the crushed crude fiber plant tissues into high-temperature alkali liquor to perform hydrothermal reaction, wherein the high-temperature alkali liquor is preferably sodium hydroxide with the molar concentration of 7.5mol/L, the temperature of the hydrothermal reaction is 120 ℃, and the duration is 6 hours.
And after the hydrothermal reaction is finished, cooling the alkali liquor to room temperature and filtering to obtain cellulose, cleaning the cellulose by using an ultrasonic cleaner with the power of 220W and the frequency of 80KHz, and drying the cellulose at low temperature in a negative pressure protective atmosphere after the cleaning is finished.
And then, heating and calcining the cellulose by using an atmosphere sintering furnace under protective gas to obtain the carbonized material, wherein the calcining heating speed is 6 ℃/min, the calcining temperature is 850 ℃, and the calcining heat preservation time is 3.8 h.
And soaking the carbonized material by using a mixed acid solution with the molar concentration of 3mol/L for 3.5 hours, washing by using deionized water after soaking is finished, and drying to obtain the biomass carbon.
And (2) carrying out high-temperature graphitization on the biomass carbon under protective gas by using an atmosphere sintering furnace to obtain graphene, wherein in the high-temperature graphitization process, the heating speed is 18 ℃/min, the calcination temperature is 2600 ℃, and the heat preservation time is 1.2 h.
Mixing graphene and polyester chips, and then grinding the mixture by using a ball mill to obtain polyester-graphene mixed powder, wherein the ratio of the graphene to the polyester chips is 8: 100, the particle diameter of the prepared terylene-graphene mixed powder is less than or equal to 8 mu m.
And (3) carrying out low-temperature negative-pressure stirring and drying on the prepared terylene-graphene mixed powder, so that the terylene-graphene mixed powder is stirred more uniformly in the drying process.
The preparation method comprises the steps of cutting a polyester-graphene mixed strip material into particles to obtain a polyester-graphene mixed master batch, drying the polyester-graphene mixed master batch, carrying out melt spinning on the polyester-graphene mixed master batch, then slowly cooling, forming, stretching, quenching and winding to obtain the graphene-polyester nano composite fiber, wherein the melt spinning temperature is 320 ℃, the spinning drawing speed is 700m/min, the drawn silk yarn is guided into a slow cooling device, the slow cooling temperature is 290 ℃, the silk yarn is formed and stretched in the slow cooling process, then guided into cold water for quenching and curing, and finally wound, and the water temperature for quenching and curing is 45 ℃.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. A preparation method of graphene biological composite fibers is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: mixing graphene and polyester chips, and then grinding to obtain polyester-graphene mixed powder;
step two: stirring and drying the terylene-graphene mixed powder;
step three: injecting the dried terylene-graphene mixed powder into a double-screw extruder to prepare a terylene-graphene mixed strip material;
step four: dicing the polyester-graphene mixed strip material to prepare polyester-graphene mixed master batch;
step five: and drying the terylene-graphene mixed master batch, performing melt spinning on the terylene-graphene mixed master batch, then slowly cooling, forming, stretching, quenching and winding to prepare the graphene-terylene nano composite fiber.
2. The preparation method of the graphene biological composite fiber according to claim 1, characterized in that: the ratio of the graphene to the polyester chips in the first step is 3: 100-15: 100, wherein the particle diameter of the terylene-graphene mixed powder prepared in the first step is less than or equal to 8 mu m.
3. The preparation method of the graphene biological composite fiber according to claim 1, characterized in that: and the stirring and drying in the step two is low-temperature negative-pressure stirring and drying.
4. The preparation method of the graphene biological composite fiber according to claim 1, characterized in that: and fifthly, the melt spinning temperature is 260-320 ℃, the spinning traction speed is 600-1000 m/min, the drawn silk yarn is guided into a slow cooling device, the slow cooling temperature is 280-300 ℃, the silk yarn is formed and stretched in the slow cooling process, then the silk yarn is guided into cold water for quenching solidification, and finally the silk yarn is wound, wherein the water temperature for quenching solidification is 30-45 ℃.
5. The preparation method of the graphene biological composite fiber according to claim 1, characterized in that: the graphene in the first step is 1-9 layers of non-oxidized graphene, the graphene is prepared from biomass raw materials, and the preparation method comprises the following steps:
A) extracting cellulose from biomass raw materials;
B) carrying out ultrasonic cleaning on cellulose, filtering and drying;
C) heating and calcining cellulose by using an atmosphere sintering furnace under protective gas to obtain a carbonized material;
D) soaking the carbonized material in acid liquor, filtering, removing impurities, and drying to obtain biomass carbon;
E) and carrying out high-temperature graphitization on the biomass carbon under protective gas by using an atmosphere sintering furnace to obtain the graphene.
6. The preparation method of the graphene biological composite fiber according to claim 5, characterized in that: the biomass raw material in the step A is a crude fiber plant, and the biomass raw material in the step A is preferably one or a combination of rice straw, corn stalk, sorghum stalk, bagasse, cotton stalk and bamboo leaf.
7. The preparation method of the graphene biological composite fiber according to claim 5, characterized in that: the step B, C, E is performed in a protective atmosphere, wherein the protective atmosphere is any one of nitrogen, argon, xenon, and ammonia.
8. A graphene biological composite fiber is characterized in that: the graphene biocomposite fiber is prepared by the preparation method of the graphene biocomposite fiber according to any one of claims 1 to 7.
9. The graphene biocomposite fiber according to claim 8, wherein: use in the preparation of textiles, including apparel, apparel accessories, household textiles, decorative cloth articles, bedding, mattresses, gloves, hats, socks, blankets.
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| CN113235181A (en) * | 2021-06-03 | 2021-08-10 | 张敏洁 | Preparation method of soybean graphene fibers |
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| CN113445149A (en) * | 2021-03-23 | 2021-09-28 | 浙江亿衡针纺科技有限公司 | Preparation process of antibacterial and deodorant socks |
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Application publication date: 20201110 |