CN110387739B - Preparation method of electric welding protective clothing fabric with graphene coating and prepared electric welding protective clothing fabric - Google Patents
Preparation method of electric welding protective clothing fabric with graphene coating and prepared electric welding protective clothing fabric Download PDFInfo
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- CN110387739B CN110387739B CN201910645587.4A CN201910645587A CN110387739B CN 110387739 B CN110387739 B CN 110387739B CN 201910645587 A CN201910645587 A CN 201910645587A CN 110387739 B CN110387739 B CN 110387739B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/24—Polymers or copolymers of alkenylalcohols or esters thereof; Polymers or copolymers of alkenylethers, acetals or ketones
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
Abstract
The invention relates to a preparation method of an electric welding protective clothing fabric with a graphene coating and the prepared electric welding protective clothing fabric. In the preparation method, the graphene solution is fully dispersed and then added into the color fixing agent solution, and the mixed solution is fully stirred to obtain the graphene mixed solution, wherein the weight percentage of the raw materials is as follows: 97-70% of graphene solution and 3-30% of fixing agent; coating the prepared graphene mixed solution on flame-retardant base cloth through a textile coating finishing machine, and drying the fabric coated with the graphene mixed solution, wherein the drying temperature is 75-95 ℃, the drying time is 5-30 minutes, and the coating amount of the graphene mixed solution is 1% -10% of the weight of the flame-retardant base cloth. The electric welding protective clothing fabric with the graphene coating prepared by the method has an excellent function of preventing molten metal from dropping and heating.
Description
Technical Field
The invention belongs to the technical field of textile product manufacturing, and particularly relates to a textile fabric processing technology with a protection function. More specifically, the invention relates to a preparation method of an electric welding protective clothing fabric with a graphene coating and the prepared electric welding protective clothing fabric.
Background
In China, nearly 200 thousands of people are engaged in electric welding operation. Workers working in electric welding, especially in overhead welding in confined spaces, are exposed to the encroachment of molten metal on their bodies.
The existing electric welding protective clothing fabric mainly adopts flame-retardant pure cotton fabric, and also adopts leather or aramid fiber fabric to form high-grade electric welding protective clothing, but the price is very high. In order to prevent the molten metal produced by the electric welding operation from spilling on the fabric to cause scald to human body, more than 300g/m is generally adopted2Heavy fabric. GB8965.2-2009 (protective clothing, flame retardant protection, part 2: welding clothing) specifies: the warp and weft strength of the welding protective fabric is more than 450N, the temperature rise after 15 drops of metal are molten and dripped is not more than 40 ℃, and the moisture permeability is more than 6000g/m224 h; the afterflame time and smoldering time of the grade A protective clothing are both less than 2s, and the damage length is less than 50 mm; the afterflame time and smoldering time of the B-grade protective clothing are both less than 4s, and the damage length is less than 100 mm.
Therefore, the electric welding protective clothing needs a fabric having flame retardancy, thermal conductivity, moisture permeability and light weight.
The graphene is a single-layer graphite sheet stripped from graphite, has a two-dimensional honeycomb structure, and has sp carbon atoms2The hybrid orbit is combined in a form, has a unique two-dimensional carbon atom structure, has good electric conduction, heat conduction and ultraviolet resistance, and can be used as a flame retardant to improve the flame retardant property of a polymer. At present, graphene is widely applied to the preparation of novel fibers such as pure graphene fibers, graphene composite fibers and graphene modified fabrics, functional composite materials and the like. The hydrophobic and electric conductive fabric, the heat-conducting fabric, the self-cleaning antibacterial fabric, the super capacitor and the like can be prepared by adopting a padding or coating process.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a preparation method of an electric welding protective clothing fabric with a graphene coating.
The purpose of the invention is realized by the following technical scheme: a preparation method of an electric welding protective clothing fabric with a graphene coating is characterized in that,
adding the graphene solution into the color fixing agent solution after fully dispersing, and fully stirring the mixed solution to obtain a graphene mixed solution, wherein the weight percentage of the raw materials is as follows: 97-70% (preferably 97-85%) of graphene solution and 3-30% (preferably 3-15%) of fixing agent solution; coating the prepared graphene mixed solution on flame-retardant base cloth through a textile coating finishing machine, and drying the fabric coated with the graphene mixed solution, wherein the drying temperature is 75-95 ℃ (preferably 80-85 ℃) for 5-30 (preferably 10-15) minutes, and the coating amount of the graphene mixed solution is 1% -10% (preferably 5% -8%) of the weight of the flame-retardant base cloth.
Further preferably: the solid content of graphene in the graphene solution is 1% -5% (preferably 1% -2%), and the solid content of the fixing agent in the fixing agent solution is 30% -50% (preferably 40% -50%).
Further preferably: the flame-retardant base fabric is a finishing type flame-retardant fabric taking cellulose fibers as main components. The cellulose fiber is selected from cotton fiber, hemp fiber, flax fiber, ramie fiber, viscose fiber, modal fiber, tencel fiber or their mixture; and a small amount of reinforcing fibers such as vinylon, terylene and the like can also be mixed in the cellulose fibers.
Further preferably: the flame-retardant base fabric is a flame-retardant fabric made by blending intrinsic flame-retardant fibers and/or modified flame-retardant fibers and optionally a small amount of non-flame-retardant fibers. The intrinsic flame-retardant fiber is selected from aramid fiber, polyimide, polyaryl oxadiazole fiber, polysulfonamide, alginate fiber or a mixture thereof; the modified flame-retardant fiber is selected from flame-retardant vinylon, flame-retardant viscose, flame-retardant terylene, flame-retardant chinlon, flame-retardant acrylic fiber or a mixture thereof; the small amount of non-flame retardant fiber is selected from natural cellulose fiber such as cotton, hemp and the like, regenerated cellulose fiber such as viscose, modal, tencel and the like, vinylon, terylene, chinlon, acrylic fiber or a mixture thereof, and the non-flame retardant fiber is an additive for improving comfort and strength.
Further preferably: the prepared electric welding protective clothing fabric has good surface heat dissipation performance, the temperature rise of the back of the fabric is reduced, and the temperature rise after 15 drops of molten metal drip does not exceed 37 ℃; the damage length in the warp and weft directions is less than or equal to 50mm, the afterflame time is less than or equal to 2s, the smoldering time is less than or equal to 2s, and the strength of the fabric in the warp and weft directions is more than 800 Nx 600N.
The invention also relates to the electric welding protective clothing fabric with the graphene coating, which is prepared by the preparation method. The temperature rise of the electric welding protective clothing fabric with the graphene coating after 15 drops of molten metal is dripped is not more than 37 ℃; the damage length in the warp and weft directions is less than or equal to 50mm, the afterflame time is less than or equal to 2s, the smoldering time is less than or equal to 2s, and the strength of the fabric in the warp and weft directions is more than 800 Nx 600N.
Compared with the prior art, the invention has many advantages and positive effects:
the preparation method has simple production process and easy operation; the electric welding protective clothing fabric with the graphene coating prepared by the method has an excellent function of preventing molten metal from dropping and heating.
Detailed Description
The present invention will be further described with reference to specific examples.
A preparation method of an electric welding protective clothing fabric with a graphene coating is characterized in that,
adding the dispersed graphene solution into the color fixing agent solution, and fully stirring the mixed solution to obtain a graphene mixed solution, wherein the weight percentage of the raw materials is as follows: 97-70% of graphene solution and 3-30% of fixing agent solution; coating the prepared graphene mixed solution on flame-retardant base cloth through a textile coating finishing machine, and drying the fabric coated with the graphene mixed solution, wherein the drying temperature is 75-95 ℃, the drying time is 5-30 minutes, and the coating amount of the graphene mixed solution is 1% -10% of the weight of the flame-retardant base cloth.
The specific embodiment of the invention is as follows:
the graphene solution is produced by International New Material science and technology Limited of Beijing Zhonglun, and has an average thickness of 2.4nm and a size of 5-15 μm; the fixing agent RG906 is produced by Weifang Rui chemical industry Limited, of course, the fixing agent is not limited to the Weifang Rui chemical industry Limited, and fixing agents which can be used in the fabric can be used in the invention; the flame-retardant cotton fabric, the flame-retardant cotton/vinylon blended fabric and the aramid/polyaryloxadiazole fiber/high-strength flame-retardant vinylon/flame-retardant viscose blended fabric are provided by Shandong Wo source novel fabric company Limited.
Example 1:
fully dispersing the graphene solution by a high-pressure homogenizer, adding the graphene solution into a fixing agent RG906 solution, and fully stirring the mixed solution; the weight percentage of the raw materials is as follows: 97% of graphene solution and 3% of color fixing agent solution; wherein the solid content of graphene in the graphene solution is 1%, and the solid content of the fixing agent in the fixing agent solution is 50%. Coating the prepared graphene mixed solution on flame-retardant cotton fabric through a textile coating finishing machine, and drying the cotton fabric coated with the graphene mixed solution at the drying temperature of 75 ℃ for 30 minutes, wherein the coating amount of the graphene mixed solution is 10% of the weight of the flame-retardant base fabric.
The prepared electric welding protective clothing fabric with the graphene coating has the weight of 280g in square meters, the warp-weft strength of 950 Nx700N and the temperature rise of 36 ℃ after 15 drops of metal are molten and dripped; the afterflame time in the warp and weft directions is 0s multiplied by 0s, the smoldering time in the warp and weft directions is 0.7s multiplied by 0.9s, and the damage length in the warp and weft directions is 40 multiplied by 44 mm.
Example 2:
fully dispersing the graphene solution by a high-pressure homogenizer, adding the graphene solution into a fixing agent RG906 solution, and fully stirring the mixed solution; the weight percentage of the raw materials is as follows: 70% of graphene solution and 30% of color fixing agent solution; wherein the solid content of graphene in the graphene solution is 3%, and the solid content of the fixing agent in the fixing agent solution is 40%. Coating the prepared graphene mixed solution on cotton 80/high-strength vinylon 20 flame-retardant finishing fabric through a textile coating finishing machine, and drying the flame-retardant fabric coated with the graphene mixed solution at the drying temperature of 85 ℃ for 20 minutes, wherein the coating amount of the graphene mixed solution is 5% of the weight of the flame-retardant base fabric.
The prepared electric welding protective clothing fabric with the graphene coating has the square meter weight of 290g, the warp and weft strength of 1040 Nx895N, and the temperature rise after 15 drops of metal are molten and dripped is 35 ℃; the afterflame time in the warp and weft directions is 0s multiplied by 0s, the smoldering time in the warp and weft directions is 0.4s multiplied by 0.7s, and the damage length in the warp and weft directions is 38 multiplied by 41 mm.
Example 3:
fully dispersing the graphene solution by a high-pressure homogenizer, adding the graphene solution into a fixing agent RG906 solution, and fully stirring the mixed solution; the weight percentage of the raw materials is as follows: 85% of graphene solution and 15% of color fixing agent solution; wherein the solid content of graphene in the graphene solution is 5%, and the solid content of the fixing agent in the fixing agent solution is 30%. The prepared graphene mixed solution is coated on aramid fiber 40/aromatic polyoxadiazole fiber 15/high-strength flame-retardant vinylon 30/flame-retardant viscose 15 fabric through a textile coating finishing machine, the aramid fiber blended fabric coated with the graphene mixed solution is dried at the temperature of 95 ℃ for 5 minutes, and the coating amount of the graphene mixed solution is 1% of the weight of the flame-retardant base fabric.
The prepared electric welding protective clothing fabric with the graphene coating has the square meter weight of 295g, the warp-weft strength of 1208 Nx812N, and the temperature rise of 32 ℃ after 15 drops of metal are molten and dripped; the afterflame time in the warp and weft directions is 0s multiplied by 0s, the smoldering time in the warp and weft directions is 0.8s multiplied by 1.0s, and the damage length in the warp and weft directions is 30 multiplied by 31 mm.
Comparative example:
the electric welding protective clothing fabric made of the common flame-retardant cotton fabric has the square meter weight of 300g, the warp and weft strength of 480 Nx450N, and the temperature rise after 15 drops of metal are molten and dropped is 40 ℃; the afterflame time in the warp and weft directions is 3s multiplied by 2s, the smoldering time in the warp and weft directions is 1.0s multiplied by 1.3s, and the damage length in the warp and weft directions is 68 multiplied by 70 mm.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; 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 may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (4)
1. A preparation method of an electric welding protective clothing fabric with a graphene coating is characterized in that,
adding the graphene solution into the color fixing agent solution after fully dispersing, and fully stirring the mixed solution to obtain a graphene mixed solution, wherein the weight percentage of the raw materials is as follows: 97-70% of graphene solution and 3-30% of fixing agent; coating the prepared graphene mixed solution on flame-retardant base cloth through a textile coating finishing machine, and drying the fabric coated with the graphene mixed solution, wherein the drying temperature is 75-95 ℃, the drying time is 5-30 minutes, and the coating amount of the graphene mixed solution is 1% -10% of the weight of the flame-retardant base cloth;
the solid content of graphene in the graphene solution is 1% -5%, and the solid content of the color fixing agent in the color fixing agent solution is 30% -50%;
the temperature rise of the prepared electric welding protective clothing fabric with the graphene coating after 15 drops of molten metal is dripped is not more than 37 ℃; the damage length in the warp and weft directions is less than or equal to 50mm, the afterflame time is less than or equal to 2s, the smoldering time is less than or equal to 2s, and the strength of the fabric in the warp and weft directions is more than 800 Nx 600N.
2. The method for preparing a graphene-coated electric welding protective clothing fabric according to claim 1, wherein the flame retardant base fabric is a finishing flame retardant fabric with a cellulose fiber as a main component, the cellulose fiber is selected from cotton fiber, hemp fiber, flax fiber, ramie fiber, viscose fiber, modal fiber, tencel fiber or a mixture thereof, and the cellulose fiber is optionally blended with a small amount of reinforcing fiber.
3. The preparation method of the electric welding protective clothing fabric with the graphene coating, according to claim 1, is characterized in that the flame-retardant base fabric is a flame-retardant fabric made of blended fibers of intrinsic flame-retardant fibers and/or modified flame-retardant fibers and optionally a small amount of non-flame-retardant fibers, wherein the intrinsic flame-retardant fibers are selected from aramid fibers, polyimide fibers, polyaradiazole fibers, polysulfonamide fibers, alginate fibers or a mixture thereof; the modified flame-retardant fiber is selected from flame-retardant vinylon, flame-retardant viscose, flame-retardant terylene, flame-retardant chinlon, flame-retardant acrylic fiber or a mixture thereof; the small amount of non-flame retardant fibers are selected from natural cellulose fibers, regenerated cellulose fibers, vinylon, terylene, chinlon, acrylic fibers or a mixture thereof.
4. The graphene-coated electric welding protective clothing fabric prepared by the preparation method according to any one of claims 1 to 3.
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| CN112208159A (en) * | 2020-09-22 | 2021-01-12 | 石狮梵源服饰有限公司 | High-toughness fabric with good air permeability |
| CN113043705A (en) * | 2021-04-28 | 2021-06-29 | 山东大鲁阁织染工业有限公司 | Graphene conductive fabric and garment made of same |
| CN113718366A (en) * | 2021-09-18 | 2021-11-30 | 南通强生石墨烯科技有限公司 | Graphene super-strong flame-retardant fiber and preparation method thereof |
| CN114134709A (en) * | 2021-12-09 | 2022-03-04 | 南通强生新材料科技股份有限公司 | Protective gloves for electric welding and preparation method thereof |
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Effective date of registration: 20220407 Address after: 256100 No.5 Lushan Road, Yiyuan County, Zibo City, Shandong Province Applicant after: SHANDONG WOYUAN NEW FASHIONED FABRIC Co.,Ltd. Applicant after: QINGDAO University Applicant after: Shenghuadun (Beijing) Protection Technology Co.,Ltd. Applicant after: Beijing Sino international new Mstar Technology Ltd. Applicant after: SHANDONG LUSHI SPECIAL FABRIC TECHNOLOGY Co.,Ltd. Applicant after: INSTITUTE OF QUARTERMASTER ENGINEERING TECHNOLOGY, INSTITUTE OF SYSTEMS ENGINEERING, ACADEMY OF MILITARY SCIENCES Address before: 256100 No.5 Lushan Road, Yiyuan County, Zibo City, Shandong Province Applicant before: SHANDONG WOYUAN NEW FASHIONED FABRIC Co.,Ltd. Applicant before: QINGDAO University Applicant before: Shenghuadun (Beijing) Protection Technology Co.,Ltd. Applicant before: Beijing Sino international new Mstar Technology Ltd. Applicant before: SHANDONG LUSHI SPECIAL FABRIC TECHNOLOGY Co.,Ltd. |
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