CN112373145A - Composite fabric of bamboo fiber and milk fiber and processing technology thereof - Google Patents
Composite fabric of bamboo fiber and milk fiber and processing technology thereof Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/162—Cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/164—Drying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
- B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/164—Drying
- B32B2038/166—Removing moisture
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/06—Vegetal fibres
- B32B2262/062—Cellulose fibres, e.g. cotton
- B32B2262/065—Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/08—Animal fibres, e.g. hair, wool, silk
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/212—Electromagnetic interference shielding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
- B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
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Abstract
The invention discloses a composite fabric of bamboo fibers and milk fibers and a processing technology thereof. The graphene layer is mainly prepared from graphene oxide dispersion liquid and hydrazine hydrate solution. The ferrite is mainly prepared from manganese sulfate monohydrate, zinc sulfate heptahydrate, ferric sulfate heptahydrate, ammonium bicarbonate and polyethylene glycol. The invention discloses a bamboo fiber and milk fiber composite fabric and a processing technology thereof, the process design is reasonable, the operation is simple, the prepared composite fabric has excellent antibacterial performance and electromagnetic shielding performance, the water washing resistance is improved to a certain extent, and the bamboo fiber and milk fiber composite fabric can be applied to multiple fields and has higher practicability.
Description
Technical Field
The invention relates to the technical field of fabric processing, in particular to a bamboo fiber and milk fiber composite fabric and a processing technology thereof.
Background
The milk fiber, also called milk protein fiber, is made up by using milk as basic raw material, making it into a milk casein with linear macromolecular structure through the processes of dewatering, deoiling, degreasing, separating and purifying, then adopting high-tech means to make blending, cross-linking and grafting with polyacrylonitrile to prepare spinning dope, finally adopting wet spinning to make fibre-forming, solidifying, drafting, drying, curling, shaping and cutting short fibre (filament winding); it has natural bacteriostasis function, high strength, wear resistance, washing resistance and easy storage, and is one kind of fabric fiber with excellent performance.
Bamboo fiber is cellulose fiber extracted from naturally growing bamboo. The bamboo fiber has good air permeability, natural antibacterial, bacteriostatic, mite-removing, deodorizing and ultraviolet-resistant functions; at present, composite fabrics obtained by weaving bamboo fibers and milk fibers serving as matrix fibers gradually appear in the market, the composite fabrics have high strength, excellent air permeability and ultraviolet resistance, and excellent antibacterial property, but with the deep research of the fabrics, certain requirements are provided for the electromagnetic shielding effect of the fabrics, and the electromagnetic shielding performance of the current fabrics is poor, so that the requirements of people cannot be met.
Based on the situation, the composite fabric of the bamboo fiber and the milk fiber and the processing technology thereof are disclosed to solve the problem.
Disclosure of Invention
The invention aims to provide a composite fabric of bamboo fibers and milk fibers and a processing technology thereof, and aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme:
the composite fabric of the bamboo fibers and the milk fibers comprises a base fabric, wherein a graphene layer, a titanium dioxide nanotube layer and a shielding layer are sequentially arranged on the surface of the base fabric.
According to an optimized scheme, the graphene layer is mainly prepared from graphene oxide dispersion liquid and hydrazine hydrate solution.
According to an optimized scheme, the shielding layer comprises the following raw materials: 8-12 parts of toluene diisocyanate, 10-20 parts of dimethylformamide, 8-10 parts of silane coupling agent, 10-15 parts of ferrite, 4-8 parts of silver nanowire and 10-20 parts of aluminum isopropoxide.
According to an optimized scheme, the ferrite is mainly prepared from manganese sulfate monohydrate, zinc sulfate heptahydrate, ferric sulfate heptahydrate, ammonium bicarbonate and polyethylene glycol.
In an optimized scheme, the base fabric is prepared by weaving and processing milk fibers as warp yarns and bamboo fibers as weft yarns.
According to an optimized scheme, the processing technology of the composite fabric of the bamboo fibers and the milk fibers comprises the following steps:
1) preparing materials;
2) weaving and processing milk fibers as warp yarns and bamboo fibers as weft yarns to prepare a base fabric, putting the base fabric into a mixed solution of acetone and sodium hydroxide, ultrasonically cleaning, washing with deionized water, drying, and performing plasma surface treatment to obtain a pretreated base fabric;
3) placing the pretreated base fabric in graphene oxide dispersion liquid, carrying out constant temperature treatment at 60-65 ℃, carrying out soaking and rolling twice, then placing in a hydrazine hydrate solution for soaking, washing with deionized water, and drying to obtain a surface layer A with a graphene layer;
4) taking titanium dioxide nanotubes and deionized water, stirring and mixing, adding the surface layer A, carrying out ultrasonic treatment for 2-3h, continuing stirring, washing and drying to obtain a surface layer B with a titanium dioxide nanotube layer;
5) mixing toluene diisocyanate and dimethylformamide under stirring at 60-65 deg.C for 10-15min, adding surface layer B, stirring, cooling to room temperature, adding silane coupling agent, stirring for 3-4 hr, washing, and drying to obtain surface layer C;
6) mixing and stirring aluminum isopropoxide and deionized water, heating and stirring for 20-24h at 50-55 ℃, adding ferrite and silver nanowires, and continuously stirring to obtain a material B;
7) and (3) taking the surface layer C, placing the surface layer C in ethanol for ultrasonic soaking, slowly adding the material B, reacting for 3-4 hours, standing, taking out the surface layer C, washing with deionized water, and drying to obtain a finished product.
The optimized scheme comprises the following steps:
1) preparing materials;
2) weaving and processing milk fibers as warp yarns and bamboo fibers as weft yarns to obtain a base fabric, putting the base fabric into a mixed solution of acetone and sodium hydroxide, ultrasonically cleaning for 1-2 hours, washing with deionized water, drying, and performing plasma surface treatment to obtain a pretreated base fabric;
3) placing the pretreated base fabric in graphene oxide dispersion liquid, carrying out constant-temperature treatment for 1-1.5h at 60-65 ℃, carrying out double-dipping and double-rolling, then placing in a hydrazine hydrate solution for soaking for 3-6h, washing with deionized water, and drying at 70-80 ℃ to obtain a surface layer A with a graphene layer;
4) taking titanium dioxide nanotubes and deionized water, stirring and mixing for 10-20min, adding the surface layer A, carrying out ultrasonic treatment for 2-3h at 25-28 ℃, continuing stirring for 8-10h, washing and drying to obtain a surface layer B with a titanium dioxide nanotube layer;
5) mixing toluene diisocyanate and dimethylformamide for 10-15min under stirring at the water bath temperature of 60-65 ℃, adding a surface layer B, stirring for 2-4h, cooling to room temperature, adding a silane coupling agent, continuing stirring for 3-4h at the rotating speed of 1000-1100r/min, washing and drying to obtain a surface layer C;
6) mixing and stirring aluminum isopropoxide and deionized water for 20-30min, heating and stirring at 50-55 ℃ for 20-24h, adding ferrite and silver nanowires, and continuously stirring for 4-6h to obtain a material B;
7) and (3) taking the surface layer C, placing the surface layer C in ethanol, ultrasonically soaking for 20-30min, slowly adding the material B, reacting for 3-4h, standing, taking out the surface layer C, washing with deionized water, and drying at 50-60 ℃ for 6-8h to obtain a finished product.
In an optimized scheme, in the step 6), the preparation steps of the ferrite are as follows: mixing and stirring manganese sulfate monohydrate, zinc sulfate heptahydrate and ferric sulfate heptahydrate for 20-30min to obtain a material A; mixing and stirring ammonium bicarbonate and polyethylene glycol for 20-30min, slowly adding the material A dropwise, adjusting the pH to 9-10 with ammonia water, continuously stirring for 20-30min, standing for 8-10h, performing suction filtration, washing, drying, performing heat treatment, cooling and grinding to obtain the ferrite.
In the optimized scheme, in the step 2), during the plasma surface treatment, the treatment gas is oxygen and argon mixed gas, the treatment power is 140-.
In an optimized scheme, in the step 7), the standing time is 6-8 h.
Compared with the prior art, the invention has the following beneficial effects:
the invention discloses a composite fabric of bamboo fibers and milk fibers and a processing technology thereof, wherein the composite fabric comprises a base fabric, wherein the surface of the base fabric is sequentially provided with a graphene layer, a titanium dioxide nanotube layer and a shielding layer, namely the integral structure is the base fabric, the graphene layer, the titanium dioxide nanotube layer and the shielding layer, wherein the base fabric is obtained by weaving and processing the milk fibers as warps and the bamboo fibers as wefts; after the graphene layer is prepared, a titanium dioxide nanotube layer is deposited on the surface of the graphene layer, and the titanium dioxide has excellent antibacterial performance, but in the conventional fabric processing process, nano titanium dioxide particles are generally selected, because the nano titanium dioxide particles have more excellent antibacterial performance compared with the titanium dioxide nanotubes, the conventional fabric is added with the titanium dioxide, and the antibacterial performance of the fabric is also improved, so based on the situation, the nano titanium dioxide particles are generally selected and added in the conventional fabric processing; however, the titanium dioxide nanotube in the application can not only play an antibacterial effect, but also has a tubular structure with an opening at one end, and can be fully combined with the titanium dioxide nanotube when the subsequent ferrite and silver nanowires are adsorbed, so that the overall electromagnetic shielding performance of the product is improved.
After a titanium dioxide nanotube layer is prepared, a siloxane group is grafted on the titanium dioxide nanotube layer, toluene diisocyanate is grafted on the titanium dioxide nanotube layer by using an N, N-dimethylformamide dispersing agent and a silane coupling agent and toluene diisocyanate as modifying agents in the reaction, the toluene diisocyanate reacts with hydroxyl on the titanium dioxide nanotube by regional selection of the toluene diisocyanate, then the siloxane group is introduced by using the silane coupling agent, and the siloxane group can generate silicon hydroxyl after hydrolysis; this application is added aluminium isopropoxide after that, aluminium isopropoxide can generate aluminium colloidal sol after hydrolysising, adds ferrite and silver nano wire this moment, not only can guarantee the two to be difficult for the oxidation, can also utilize the hydroxyl and the silicon hydroxyl dehydration condensation that aluminium colloidal sol surface had simultaneously, forms compact crosslinked membrane, improvement ferrite that like this can very big degree, the adhesion between silver nano wire and the surface fabric, improves the life of whole surface fabric.
The ferrite is mainly prepared from manganese sulfate monohydrate, zinc sulfate heptahydrate, iron sulfate heptahydrate, ammonium bicarbonate and polyethylene glycol, has excellent electromagnetic shielding performance, and is easy to oxidize, so the problem of easy oxidation of the ferrite is solved by preparing alumina sol; meanwhile, the silver nanowires also have excellent electromagnetic shielding performance, can be mutually wound with the titanium dioxide nanotubes, and further improve the adhesive force between the silver nanowires and the fabric.
The invention discloses a bamboo fiber and milk fiber composite fabric and a processing technology thereof, the process design is reasonable, the operation is simple, the prepared composite fabric has excellent antibacterial performance and electromagnetic shielding performance, the water washing resistance is improved to a certain extent, and the bamboo fiber and milk fiber composite fabric can be applied to multiple fields and has higher practicability.
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.
Example 1:
a processing technology of a composite fabric of bamboo fibers and milk fibers comprises the following steps:
(1) preparing materials;
(2) weaving and processing milk fibers as warp yarns and bamboo fibers as weft yarns to obtain a base fabric, placing the base fabric in a mixed solution of acetone and sodium hydroxide, ultrasonically cleaning for 1h, washing with deionized water, drying, and performing plasma surface treatment, wherein the treatment gas is a mixed gas of oxygen and argon, the treatment power is 140W, and the treatment time is 20min to obtain a pretreated base fabric;
(3) placing the pretreated base fabric in graphene oxide dispersion liquid, carrying out constant temperature treatment for 1.5h at 60 ℃, carrying out soaking and rolling for two times, then placing in a hydrazine hydrate solution for soaking for 3h, washing with deionized water, and drying at 70 ℃ to obtain a surface layer A with a graphene layer;
(4) taking titanium dioxide nanotubes and deionized water, stirring and mixing for 10min, adding the surface layer A, carrying out ultrasonic treatment for 3h at 25 ℃, continuing stirring for 8h, washing and drying to obtain a surface layer B with a titanium dioxide nanotube layer;
(5) mixing toluene diisocyanate and dimethylformamide for 15min under stirring at the water bath temperature of 60 ℃, adding the surface layer B, stirring for 2h, cooling to room temperature, adding a silane coupling agent, continuing stirring for 4h at the rotating speed of 1000r/min, washing and drying to obtain a surface layer C;
(6) mixing and stirring manganese sulfate monohydrate, zinc sulfate heptahydrate and ferric sulfate heptahydrate for 20min to obtain a material A; mixing and stirring ammonium bicarbonate and polyethylene glycol for 20min, slowly adding the material A dropwise, adjusting the pH value to 9 with ammonia water, continuously stirring for 20min, standing for 8h, performing suction filtration, washing, drying, performing heat treatment, cooling and grinding to obtain ferrite;
mixing and stirring aluminum isopropoxide and deionized water for 20min, heating and stirring at 50 ℃ for 24h, adding ferrite and silver nanowires, and continuously stirring for 4h to obtain a material B;
(7) and (3) placing the surface layer C in ethanol, ultrasonically soaking for 20min, slowly adding the material B, reacting for 3h, standing for 6h, taking out the surface layer C, washing with deionized water, and drying at 50 ℃ for 8h to obtain a finished product.
In this embodiment, the composite fabric includes a base fabric, the surface of the base fabric is sequentially provided with a graphene layer, a titanium dioxide nanotube layer and a shielding layer, wherein the shielding layer comprises the following raw materials: by weight, 8 parts of toluene diisocyanate, 10 parts of dimethylformamide, 8 parts of silane coupling agent, 10 parts of ferrite, 4 parts of silver nanowire and 10 parts of aluminum isopropoxide.
Example 2:
a processing technology of a composite fabric of bamboo fibers and milk fibers comprises the following steps:
(1) preparing materials;
(2) weaving and processing milk fibers as warp yarns and bamboo fibers as weft yarns to obtain base fabric, placing the base fabric in a mixed solution of acetone and sodium hydroxide, ultrasonically cleaning for 1.5 hours, washing with deionized water, drying, and performing plasma surface treatment, wherein the treatment gas is a mixed gas of oxygen and argon, the treatment power is 145W, and the treatment time is 15min to obtain a pretreated base fabric;
(3) placing the pretreated base fabric in graphene oxide dispersion liquid, carrying out constant temperature treatment for 1.3h at 62 ℃, carrying out soaking and rolling for two times, then placing in a hydrazine hydrate solution for soaking for 5h, washing with deionized water, and drying at 75 ℃ to obtain a surface layer A with a graphene layer;
(4) taking a titanium dioxide nanotube and deionized water, stirring and mixing for 15min, adding the surface layer A, carrying out ultrasonic treatment for 2.5h at 27 ℃, continuing stirring for 9h, washing and drying to obtain a surface layer B with a titanium dioxide nanotube layer;
(5) mixing toluene diisocyanate and dimethylformamide under stirring at a water bath temperature of 62 ℃ for 12min, adding the surface layer B, stirring for 3h, cooling to room temperature, adding a silane coupling agent, continuing stirring at a rotating speed of 1050r/min for 3.6h, washing and drying to obtain a surface layer C;
(6) mixing and stirring manganese sulfate monohydrate, zinc sulfate heptahydrate and ferric sulfate heptahydrate for 25min to obtain a material A; mixing and stirring ammonium bicarbonate and polyethylene glycol for 25min, slowly adding the material A dropwise, adjusting the pH value to 9 with ammonia water, continuously stirring for 25min, standing for 9h, performing suction filtration, washing, drying, performing heat treatment, cooling and grinding to obtain ferrite;
mixing and stirring aluminum isopropoxide and deionized water for 25min, heating and stirring at 52 ℃ for 22h, adding ferrite and silver nanowires, and continuously stirring for 5h to obtain a material B;
(7) and (3) taking the surface layer C, placing the surface layer C in ethanol, ultrasonically soaking for 25min, slowly adding the material B, reacting for 3.5h, standing for 7h, taking out the surface layer C, washing with deionized water, and drying at 55 ℃ for 7h to obtain a finished product.
In this embodiment, the composite fabric includes a base fabric, the surface of the base fabric is sequentially provided with a graphene layer, a titanium dioxide nanotube layer and a shielding layer, wherein the shielding layer comprises the following raw materials: by weight, 10 parts of toluene diisocyanate, 15 parts of dimethylformamide, 9 parts of silane coupling agent, 12 parts of ferrite, 6 parts of silver nanowire and 15 parts of aluminum isopropoxide.
Example 3:
a processing technology of a composite fabric of bamboo fibers and milk fibers comprises the following steps:
(1) preparing materials;
(2) weaving and processing milk fibers as warp yarns and bamboo fibers as weft yarns to obtain a base fabric, placing the base fabric in a mixed solution of acetone and sodium hydroxide, ultrasonically cleaning for 2 hours, washing with deionized water, drying, and performing plasma surface treatment, wherein the treatment gas is a mixed gas of oxygen and argon, the treatment power is 150W, and the treatment time is 10min to obtain a pretreated base fabric;
(3) placing the pretreated base fabric in graphene oxide dispersion liquid, carrying out constant temperature treatment for 1.5h at 60 ℃, carrying out soaking and rolling for two times, then placing in a hydrazine hydrate solution for soaking for 6h, washing with deionized water, and drying at 80 ℃ to obtain a surface layer A with a graphene layer;
(4) taking titanium dioxide nanotubes and deionized water, stirring and mixing for 20min, adding the surface layer A, carrying out ultrasonic treatment for 2h at 28 ℃, continuing stirring for 10h, washing and drying to obtain a surface layer B with a titanium dioxide nanotube layer;
(5) mixing toluene diisocyanate and dimethylformamide for 10min under stirring at the water bath temperature of 65 ℃, adding the surface layer B, stirring for 4h, cooling to room temperature, adding a silane coupling agent, continuing stirring for 3h at the rotating speed of 1100r/min, washing and drying to obtain a surface layer C;
(6) mixing and stirring manganese sulfate monohydrate, zinc sulfate heptahydrate and ferric sulfate heptahydrate for 30min to obtain a material A; mixing and stirring ammonium bicarbonate and polyethylene glycol for 30min, slowly adding the material A dropwise, adjusting the pH value to 10 with ammonia water, continuously stirring for 30min, standing for 10h, performing suction filtration, washing, drying, performing heat treatment, cooling and grinding to obtain ferrite;
mixing and stirring aluminum isopropoxide and deionized water for 30min, heating and stirring at 55 ℃ for 20h, adding ferrite and silver nanowires, and continuously stirring for 6h to obtain a material B;
(7) and (3) taking the surface layer C, placing the surface layer C in ethanol, ultrasonically soaking for 30min, slowly adding the material B, reacting for 4h, standing for 8h, taking out the surface layer C, washing with deionized water, and drying at 60 ℃ for 6h to obtain a finished product.
In this embodiment, the composite fabric includes a base fabric, the surface of the base fabric is sequentially provided with a graphene layer, a titanium dioxide nanotube layer and a shielding layer, wherein the shielding layer comprises the following raw materials: by weight, 12 parts of toluene diisocyanate, 20 parts of dimethylformamide, 10 parts of silane coupling agent, 15 parts of ferrite, 8 parts of silver nanowire and 20 parts of aluminum isopropoxide.
Comparative example 1:
a processing technology of a composite fabric of bamboo fibers and milk fibers comprises the following steps:
(1) preparing materials;
(2) weaving and processing milk fibers as warp yarns and bamboo fibers as weft yarns to obtain base fabric, placing the base fabric in a mixed solution of acetone and sodium hydroxide, ultrasonically cleaning for 1.5 hours, washing with deionized water, drying, and performing plasma surface treatment, wherein the treatment gas is a mixed gas of oxygen and argon, the treatment power is 145W, and the treatment time is 15min to obtain a pretreated base fabric;
(3) placing the pretreated base fabric in graphene oxide dispersion liquid, carrying out constant temperature treatment for 1.3h at 62 ℃, carrying out soaking and rolling for two times, then placing in a hydrazine hydrate solution for soaking for 5h, washing with deionized water, and drying at 75 ℃ to obtain a surface layer A with a graphene layer;
(4) taking a titanium dioxide nanotube and deionized water, stirring and mixing for 15min, adding the surface layer A, carrying out ultrasonic treatment for 2.5h at 27 ℃, continuing stirring for 9h, washing and drying to obtain a surface layer B with a titanium dioxide nanotube layer;
(5) mixing toluene diisocyanate and dimethylformamide under stirring at a water bath temperature of 62 ℃ for 12min, adding the surface layer B, stirring for 3h, cooling to room temperature, adding a silane coupling agent, continuing stirring at a rotating speed of 1050r/min for 3.6h, washing and drying to obtain a surface layer C;
(6) mixing and stirring manganese sulfate monohydrate, zinc sulfate heptahydrate and ferric sulfate heptahydrate for 25min to obtain a material A; mixing and stirring ammonium bicarbonate and polyethylene glycol for 25min, slowly adding the material A dropwise, adjusting the pH value to 9 with ammonia water, continuously stirring for 25min, standing for 9h, performing suction filtration, washing, drying, performing heat treatment, cooling and grinding to obtain ferrite;
mixing and stirring aluminum isopropoxide and deionized water for 25min, heating and stirring at 52 ℃ for 22h, adding ferrite, and continuously stirring for 5h to obtain a material B;
(7) and (3) taking the surface layer C, placing the surface layer C in ethanol, ultrasonically soaking for 25min, slowly adding the material B, reacting for 3.5h, standing for 7h, taking out the surface layer C, washing with deionized water, and drying at 55 ℃ for 7h to obtain a finished product.
In this embodiment, the composite fabric includes a base fabric, the surface of the base fabric is sequentially provided with a graphene layer, a titanium dioxide nanotube layer and a shielding layer, wherein the shielding layer comprises the following raw materials: by weight, 10 parts of toluene diisocyanate, 15 parts of dimethylformamide, 9 parts of silane coupling agent, 12 parts of ferrite and 15 parts of aluminum isopropoxide.
Comparative example 1 was changed based on example 2, and in comparative example 1, silver nanowires were not added, and the contents of the remaining components and the process parameters were identical to those of example 2.
Comparative example 2:
a processing technology of a composite fabric of bamboo fibers and milk fibers comprises the following steps:
(1) preparing materials;
(2) weaving and processing milk fibers as warp yarns and bamboo fibers as weft yarns to obtain base fabric, placing the base fabric in a mixed solution of acetone and sodium hydroxide, ultrasonically cleaning for 1.5 hours, washing with deionized water, drying, and performing plasma surface treatment, wherein the treatment gas is a mixed gas of oxygen and argon, the treatment power is 145W, and the treatment time is 15min to obtain a pretreated base fabric;
(3) placing the pretreated base fabric in graphene oxide dispersion liquid, carrying out constant temperature treatment for 1.3h at 62 ℃, carrying out soaking and rolling for two times, then placing in a hydrazine hydrate solution for soaking for 5h, washing with deionized water, and drying at 75 ℃ to obtain a surface layer A with a graphene layer;
(4) mixing titanium dioxide nanotube and deionized water under stirring for 15min, adding surface layer A, performing ultrasonic treatment at 27 deg.C for 2.5h, stirring for 9h, washing, and drying to obtain the final product.
Comparative example 2 was changed based on example 2, and comparative example 2 was not provided with a shielding layer, and the remaining component contents and process parameters were identical to those of example 2.
Comparative example 3:
a processing technology of a composite fabric of bamboo fibers and milk fibers comprises the following steps:
(1) preparing materials;
(2) weaving and processing milk fibers as warp yarns and bamboo fibers as weft yarns to obtain base fabric, placing the base fabric in a mixed solution of acetone and sodium hydroxide, ultrasonically cleaning for 1.5 hours, washing with deionized water, drying, and performing plasma surface treatment, wherein the treatment gas is a mixed gas of oxygen and argon, the treatment power is 145W, and the treatment time is 15min to obtain a pretreated base fabric;
(3) placing the pretreated base fabric in graphene oxide dispersion liquid, carrying out constant temperature treatment for 1.3h at 62 ℃, carrying out soaking and rolling for two times, then placing in a hydrazine hydrate solution for soaking for 5h, washing with deionized water, and drying at 75 ℃ to obtain a surface layer A with a graphene layer;
(4) taking common nano titanium dioxide and deionized water, stirring and mixing for 15min, adding the surface layer A, carrying out ultrasonic treatment for 2.5h at 27 ℃, continuing stirring for 9h, washing and drying to obtain a surface layer B;
(5) mixing toluene diisocyanate and dimethylformamide under stirring at a water bath temperature of 62 ℃ for 12min, adding the surface layer B, stirring for 3h, cooling to room temperature, adding a silane coupling agent, continuing stirring at a rotating speed of 1050r/min for 3.6h, washing and drying to obtain a surface layer C;
(6) mixing and stirring manganese sulfate monohydrate, zinc sulfate heptahydrate and ferric sulfate heptahydrate for 25min to obtain a material A; mixing and stirring ammonium bicarbonate and polyethylene glycol for 25min, slowly adding the material A dropwise, adjusting the pH value to 9 with ammonia water, continuously stirring for 25min, standing for 9h, performing suction filtration, washing, drying, performing heat treatment, cooling and grinding to obtain ferrite;
mixing and stirring aluminum isopropoxide and deionized water for 25min, heating and stirring at 52 ℃ for 22h, adding ferrite and silver nanowires, and continuously stirring for 5h to obtain a material B;
(7) and (3) taking the surface layer C, placing the surface layer C in ethanol, ultrasonically soaking for 25min, slowly adding the material B, reacting for 3.5h, standing for 7h, taking out the surface layer C, washing with deionized water, and drying at 55 ℃ for 7h to obtain a finished product.
In this embodiment, the composite fabric includes a base fabric, a graphene layer, a common nano titanium dioxide layer, and a shielding layer are sequentially disposed on the surface of the base fabric, wherein the shielding layer includes the following raw materials: by weight, 10 parts of toluene diisocyanate, 15 parts of dimethylformamide, 9 parts of silane coupling agent, 12 parts of ferrite, 6 parts of silver nanowire and 15 parts of aluminum isopropoxide.
Comparative example 3 was changed on the basis of example 2, and in comparative example 3, ordinary nano titanium dioxide was added, and the contents of the remaining components and the process parameters were the same as those of example 2.
Detection experiment:
1. and (3) antibacterial property: taking the fabric samples prepared in the examples 1-3 and the comparative examples 1-3, and carrying out antibacterial performance detection on the fabric samples, wherein the detected bacteria are staphylococcus aureus and escherichia coli; the specific test results are shown in the following table:
2. taking the fabric samples prepared in the examples 1-3 and the comparative examples 1-3, and carrying out shielding effectiveness detection on the fabric samples, wherein the test wavelength band is 8.5-12.6GHz, and the electromagnetic shielding effectiveness of the example 1 is 49dB, the electromagnetic shielding effectiveness of the example 2 is 50dB, and the electromagnetic shielding efficiency of the example 3 is 49 dB; the electromagnetic shielding effectiveness of comparative example 1 was 42dB, the electromagnetic shielding effectiveness of comparative example 2 was 35dB, and the electromagnetic shielding effectiveness of comparative example 3 was 45 dB.
After washing with water for 30 times, the electromagnetic shielding effectiveness of examples 1-3 was still maintained at 48-50 dB.
And (4) conclusion: the invention discloses a bamboo fiber and milk fiber composite fabric and a processing technology thereof, the process design is reasonable, the operation is simple, the prepared composite fabric has excellent antibacterial performance and electromagnetic shielding performance, the water washing resistance is improved to a certain extent, and the bamboo fiber and milk fiber composite fabric can be applied to multiple fields and has higher practicability.
Finally, it should be noted that: 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a bamboo fibre and milk fibrous composite fabric which characterized in that: the composite fabric comprises a base fabric, wherein the surface of the base fabric is sequentially provided with a graphene layer, a titanium dioxide nanotube layer and a shielding layer.
2. The bamboo fiber and milk fiber composite fabric according to claim 1, wherein the bamboo fiber and milk fiber composite fabric comprises: the graphene layer is mainly prepared from graphene oxide dispersion liquid and hydrazine hydrate solution.
3. The bamboo fiber and milk fiber composite fabric according to claim 1, wherein the bamboo fiber and milk fiber composite fabric comprises: the shielding layer comprises the following raw materials: 8-12 parts of toluene diisocyanate, 10-20 parts of dimethylformamide, 8-10 parts of silane coupling agent, 10-15 parts of ferrite, 4-8 parts of silver nanowire and 10-20 parts of aluminum isopropoxide.
4. The bamboo fiber and milk fiber composite fabric according to claim 3, wherein the bamboo fiber and milk fiber composite fabric comprises: the ferrite is mainly prepared from manganese sulfate monohydrate, zinc sulfate heptahydrate, ferric sulfate heptahydrate, ammonium bicarbonate and polyethylene glycol.
5. The bamboo fiber and milk fiber composite fabric according to claim 1, wherein the bamboo fiber and milk fiber composite fabric comprises: the base fabric is prepared by weaving and processing milk fibers as warp yarns and bamboo fibers as weft yarns.
6. A processing technology of a composite fabric of bamboo fibers and milk fibers is characterized in that: the method comprises the following steps:
1) preparing materials;
2) weaving and processing milk fibers as warp yarns and bamboo fibers as weft yarns to prepare a base fabric, putting the base fabric into a mixed solution of acetone and sodium hydroxide, ultrasonically cleaning, washing with deionized water, drying, and performing plasma surface treatment to obtain a pretreated base fabric;
3) placing the pretreated base fabric in graphene oxide dispersion liquid, carrying out constant temperature treatment at 60-65 ℃, carrying out soaking and rolling twice, then placing in a hydrazine hydrate solution for soaking, washing with deionized water, and drying to obtain a surface layer A with a graphene layer;
4) taking titanium dioxide nanotubes and deionized water, stirring and mixing, adding the surface layer A, carrying out ultrasonic treatment for 2-3h, continuing stirring, washing and drying to obtain a surface layer B with a titanium dioxide nanotube layer;
5) mixing toluene diisocyanate and dimethylformamide under stirring at 60-65 deg.C for 10-15min, adding surface layer B, stirring, cooling to room temperature, adding silane coupling agent, stirring for 3-4 hr, washing, and drying to obtain surface layer C;
6) mixing and stirring aluminum isopropoxide and deionized water, heating and stirring for 20-24h at 50-55 ℃, adding ferrite and silver nanowires, and continuously stirring to obtain a material B;
7) and (3) taking the surface layer C, placing the surface layer C in ethanol for ultrasonic soaking, slowly adding the material B, reacting for 3-4 hours, standing, taking out the surface layer C, washing with deionized water, and drying to obtain a finished product.
7. The processing technology of the bamboo fiber and milk fiber composite fabric according to claim 6, characterized in that: the method comprises the following steps:
1) preparing materials;
2) weaving and processing milk fibers as warp yarns and bamboo fibers as weft yarns to obtain a base fabric, putting the base fabric into a mixed solution of acetone and sodium hydroxide, ultrasonically cleaning for 1-2 hours, washing with deionized water, drying, and performing plasma surface treatment to obtain a pretreated base fabric;
3) placing the pretreated base fabric in graphene oxide dispersion liquid, carrying out constant-temperature treatment for 1-1.5h at 60-65 ℃, carrying out double-dipping and double-rolling, then placing in a hydrazine hydrate solution for soaking for 3-6h, washing with deionized water, and drying at 70-80 ℃ to obtain a surface layer A with a graphene layer;
4) taking titanium dioxide nanotubes and deionized water, stirring and mixing for 10-20min, adding the surface layer A, carrying out ultrasonic treatment for 2-3h at 25-28 ℃, continuing stirring for 8-10h, washing and drying to obtain a surface layer B with a titanium dioxide nanotube layer;
5) mixing toluene diisocyanate and dimethylformamide for 10-15min under stirring at the water bath temperature of 60-65 ℃, adding a surface layer B, stirring for 2-4h, cooling to room temperature, adding a silane coupling agent, continuing stirring for 3-4h at the rotating speed of 1000-1100r/min, washing and drying to obtain a surface layer C;
6) mixing and stirring aluminum isopropoxide and deionized water for 20-30min, heating and stirring at 50-55 ℃ for 20-24h, adding ferrite and silver nanowires, and continuously stirring for 4-6h to obtain a material B;
7) and (3) taking the surface layer C, placing the surface layer C in ethanol, ultrasonically soaking for 20-30min, slowly adding the material B, reacting for 3-4h, standing, taking out the surface layer C, washing with deionized water, and drying at 50-60 ℃ for 6-8h to obtain a finished product.
8. The processing technology of the bamboo fiber and milk fiber composite fabric according to claim 7, characterized in that: in the step 6), the preparation steps of the ferrite are as follows: mixing and stirring manganese sulfate monohydrate, zinc sulfate heptahydrate and ferric sulfate heptahydrate for 20-30min to obtain a material A; mixing and stirring ammonium bicarbonate and polyethylene glycol for 20-30min, slowly adding the material A dropwise, adjusting the pH to 9-10 with ammonia water, continuously stirring for 20-30min, standing for 8-10h, performing suction filtration, washing, drying, performing heat treatment, cooling and grinding to obtain the ferrite.
9. The processing technology of the bamboo fiber and milk fiber composite fabric according to claim 7, characterized in that: in the step 2), during the plasma surface treatment, the treatment gas is oxygen and argon mixed gas, the treatment power is 140-.
10. The processing technology of the bamboo fiber and milk fiber composite fabric according to claim 7, characterized in that: in the step 7), the standing time is 6-8 h.
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