CN113897791A - Radiation-proof metal blended fiber and preparation method thereof - Google Patents
Radiation-proof metal blended fiber and preparation method thereof Download PDFInfo
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- CN113897791A CN113897791A CN202111253181.5A CN202111253181A CN113897791A CN 113897791 A CN113897791 A CN 113897791A CN 202111253181 A CN202111253181 A CN 202111253181A CN 113897791 A CN113897791 A CN 113897791A
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- 239000000835 fiber Substances 0.000 title claims abstract description 98
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 44
- 239000002184 metal Substances 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 68
- -1 polydimethylsiloxane, ethylene Polymers 0.000 claims abstract description 44
- 239000004205 dimethyl polysiloxane Substances 0.000 claims abstract description 36
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims abstract description 36
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 31
- CEYYIKYYFSTQRU-UHFFFAOYSA-M trimethyl(tetradecyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCC[N+](C)(C)C CEYYIKYYFSTQRU-UHFFFAOYSA-M 0.000 claims abstract description 28
- 239000011248 coating agent Substances 0.000 claims abstract description 27
- 238000000576 coating method Methods 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 27
- SVONRAPFKPVNKG-UHFFFAOYSA-N 2-ethoxyethyl acetate Chemical compound CCOCCOC(C)=O SVONRAPFKPVNKG-UHFFFAOYSA-N 0.000 claims abstract description 13
- 102000004169 proteins and genes Human genes 0.000 claims abstract description 13
- 108090000623 proteins and genes Proteins 0.000 claims abstract description 13
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims description 24
- 230000005855 radiation Effects 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 12
- 229920001778 nylon Polymers 0.000 claims description 8
- 229920000728 polyester Polymers 0.000 claims description 8
- 238000002791 soaking Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 229920002873 Polyethylenimine Polymers 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims 3
- 230000001681 protective effect Effects 0.000 claims 3
- 238000000034 method Methods 0.000 claims 2
- 238000010521 absorption reaction Methods 0.000 abstract description 8
- 230000004927 fusion Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000011049 filling Methods 0.000 abstract description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 239000004744 fabric Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 8
- 238000005406 washing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 208000013738 Sleep Initiation and Maintenance disease Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000009982 effect on human Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003754 fetus Anatomy 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 206010022437 insomnia Diseases 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
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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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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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
- 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
- D06M11/77—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 silicon or compounds thereof
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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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
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- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/46—Compounds containing quaternary nitrogen atoms
- D06M13/463—Compounds containing quaternary nitrogen atoms derived from monoamines
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/15—Proteins or derivatives thereof
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- 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
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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
- D06M2101/34—Polyamides
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention discloses a radiation-proof metal blended fiber and a preparation method thereof, wherein the metal blended fiber is obtained by treating a fiber body with a coating liquid, and the coating liquid comprises the following preparation raw materials: porous polydimethylsiloxane, ethylene glycol ethyl ether acetate, tetradecyl trimethyl ammonium chloride powder, graphene powder, silicon carbide and protein powder. The blended fiber has metal conductive property after being treated by the coating liquid, the coating liquid adopts porous polydimethylsiloxane as a base material and is of a multidimensional high-porosity structure, the moisture absorption and softness of the whole fiber are improved, and the blended fiber is comfortable to wear after being woven; meanwhile, tetradecyltrimethyl ammonium chloride powder and graphene powder are used as radiation-proof filling particles, the tetradecyltrimethyl ammonium chloride has certain antistatic performance, the graphene powder has good conductivity, and the tetradecyltrimethyl ammonium chloride powder and the graphene powder are used in a synergistic manner, so that the radiation-proof performance is remarkably improved; in addition, the tetradecyltrimethyl ammonium chloride can play a certain role in fusion.
Description
Technical Field
The invention relates to the technical field of fabric fibers, in particular to a radiation-proof metal blended fiber and a preparation method thereof.
Background
With the further development of electrical equipment technology, radiation is visible everywhere around people, such as images, a certain amount of radiation can be generated by mobile phones, computers, printers, household microwave ovens, electric blankets, hair dryers and the like for work, the harm effect on human health is larger, especially the harm effect on old people and children with weak resistance is larger, in addition, the symptoms such as insomnia, dreaminess, low immunity and the like can be caused by long-term work in a radiation environment, especially for pregnant women, close radiation protection and fetus protection are needed, and therefore a metal fabric fiber with high radiation protection is urgently needed, and radiation can be conveniently and comprehensively resisted.
At present, the metal blended fiber on the market is mainly obtained by blending metal short fiber, silver fiber and common fiber. The radiation protection performance of the metal blended fibers can basically meet the requirements, but the metal blended fibers do not absorb moisture and have irritation to skin, and the fabric is stiff and not soft and has poor comfort.
Disclosure of Invention
The invention aims to provide a radiation-proof metal blended fiber and a preparation method thereof, which solve the problems of no moisture absorption, no softness and poor comfort of the existing metal blended fiber.
The invention realizes the purpose through the following technical scheme:
the radiation-proof metal blended fiber is obtained by treating a fiber body with a coating liquid, and the coating liquid is prepared from the following raw materials: porous polydimethylsiloxane, ethylene glycol ethyl ether acetate, tetradecyl trimethyl ammonium chloride powder, graphene powder, silicon carbide and protein powder.
The further improvement is that the coating liquid comprises the following raw materials in parts by weight: 40-60 parts of porous polydimethylsiloxane, 20-40 parts of ethylene glycol ethyl ether acetate, 4-12 parts of tetradecyl trimethyl ammonium chloride powder, 4-12 parts of graphene powder, 1-5 parts of silicon carbide and 1-5 parts of protein powder.
The further improvement is that the preparation method of the porous polydimethylsiloxane comprises the following steps: taking polydimethylsiloxane, uniformly stirring and mixing the polydimethylsiloxane and the ethoxylated polyethyleneimine solution according to the proportion of 1g:2-4 mu L, and vacuumizing until the solution is completely volatilized to obtain the porous polydimethylsiloxane.
In a further improvement, the vacuum is applied at 60-70 deg.C under 0.1-0.3 atmosphere.
In a further improvement, the porosity of the porous polydimethylsiloxane is 60 to 75 percent.
The further improvement is that the mass ratio of the tetradecyltrimethyl ammonium chloride powder to the graphene powder is 1: 1.
The further improvement is that the particle size of the graphene powder is 10-500 nm.
The further improvement is that the fiber body is formed by blending nylon fibers and polyester fibers.
The invention also provides a preparation method of the radiation-proof metal blended fiber, which comprises the following steps:
(1) obtaining a fiber body by blending a plurality of fibers;
(2) uniformly mixing porous polydimethylsiloxane, ethylene glycol ethyl ether acetate, tetradecyl trimethyl ammonium chloride powder, graphene powder, silicon carbide and protein powder in proportion, and performing ultrasonic dispersion for 40-60min under the power of 200-400W to obtain slurry;
(3) and soaking the fiber body in the slurry at the temperature of 60-70 ℃ for 24-36h, taking out the fiber body, and naturally drying to obtain the radiation-proof metal blended fiber.
The invention has the beneficial effects that: the blended fiber has metal conductive property after being treated by the coating liquid, the coating liquid adopts porous polydimethylsiloxane as a base material and is of a multidimensional high-porosity structure, the moisture absorption and softness of the whole fiber are improved, and the blended fiber is comfortable to wear after being woven; meanwhile, tetradecyltrimethyl ammonium chloride powder and graphene powder are used as radiation-proof filling particles, the tetradecyltrimethyl ammonium chloride has certain antistatic performance, the graphene powder has good conductivity, and the tetradecyltrimethyl ammonium chloride powder and the graphene powder are used in a synergistic manner, so that the radiation-proof performance is remarkably improved; in addition, tetradecyl trimethyl ammonium chloride can play a certain role in fusion, which is beneficial to promoting the uniform dispersion and fusion of particles and base materials and improving the stability of the surface structure layer of the fiber.
Detailed Description
The present application is described in further detail below with reference to examples, and it should be noted that the following detailed description is provided for further explanation of the present application and should not be construed as limiting the scope of the present application, and that certain insubstantial modifications and adaptations of the present application may be made by those skilled in the art based on the above-mentioned disclosure.
Example 1
The radiation-proof metal blended fiber is obtained by treating a fiber body with a coating liquid, wherein the fiber body is formed by blending nylon fibers and polyester fibers, and the coating liquid comprises the following preparation raw materials in parts by weight: 40 parts of porous polydimethylsiloxane, 20 parts of ethylene glycol ethyl ether acetate, 4 parts of tetradecyl trimethyl ammonium chloride powder, 4 parts of graphene powder, 1 part of silicon carbide and 1 part of protein powder.
The preparation method of the porous polydimethylsiloxane comprises the following steps: taking polydimethylsiloxane, uniformly stirring and mixing the polydimethylsiloxane and an ethoxylated polyethyleneimine solution according to the proportion of 1g to 2 mu L, and vacuumizing at 60 ℃ under the pressure of 0.3 atmosphere until the solution is completely volatilized to obtain the porous polydimethylsiloxane, wherein the porosity of the porous polydimethylsiloxane is 60.64%. The particle size of the graphene powder is 10-50 nm.
The preparation method of the radiation-proof metal blended fiber comprises the following steps:
(1) obtaining a fiber body by blending a plurality of fibers;
(2) uniformly mixing porous polydimethylsiloxane, ethylene glycol ethyl ether acetate, tetradecyl trimethyl ammonium chloride powder, graphene powder, silicon carbide and protein powder in proportion, and performing ultrasonic dispersion for 60min under the power of 200W to obtain slurry;
(3) and soaking the fiber body in the slurry at the temperature of 60 ℃ for 36h, taking out the fiber body, and naturally drying to obtain the radiation-proof metal blended fiber.
Example 2
The radiation-proof metal blended fiber is obtained by treating a fiber body with a coating liquid, wherein the fiber body is formed by blending nylon fibers and polyester fibers, and the coating liquid comprises the following preparation raw materials in parts by weight: 50 parts of porous polydimethylsiloxane, 30 parts of ethylene glycol ethyl ether acetate, 8 parts of tetradecyl trimethyl ammonium chloride powder, 8 parts of graphene powder, 3 parts of silicon carbide and 3 parts of protein powder.
The preparation method of the porous polydimethylsiloxane comprises the following steps: taking polydimethylsiloxane, uniformly stirring and mixing the polydimethylsiloxane and the ethoxylated polyethyleneimine solution according to the proportion of 1g:3 mu L, and vacuumizing at 65 ℃ under the environment of 0.2 atmospheric pressure until the solution is completely volatilized to obtain the porous polydimethylsiloxane, wherein the porosity of the porous polydimethylsiloxane is 68.13%. The particle size of the graphene powder is 100-150 nm.
The preparation method of the radiation-proof metal blended fiber comprises the following steps:
(1) obtaining a fiber body by blending a plurality of fibers;
(2) uniformly mixing porous polydimethylsiloxane, ethylene glycol ethyl ether acetate, tetradecyl trimethyl ammonium chloride powder, graphene powder, silicon carbide and protein powder in proportion, and performing ultrasonic dispersion for 50min at the power of 300W to obtain slurry;
(3) and soaking the fiber body in the slurry, controlling the temperature of the slurry to be 65 ℃, soaking for 29h, taking out the fiber body, and naturally drying to obtain the radiation-proof metal blended fiber.
Example 3
The radiation-proof metal blended fiber is obtained by treating a fiber body with a coating liquid, wherein the fiber body is formed by blending nylon fibers and polyester fibers, and the coating liquid comprises the following preparation raw materials in parts by weight: 60 parts of porous polydimethylsiloxane, 40 parts of ethylene glycol ethyl ether acetate, 12 parts of tetradecyl trimethyl ammonium chloride powder, 12 parts of graphene powder, 5 parts of silicon carbide and 5 parts of protein powder.
The preparation method of the porous polydimethylsiloxane comprises the following steps: taking polydimethylsiloxane, uniformly stirring and mixing the polydimethylsiloxane and the ethoxylated polyethyleneimine solution according to the proportion of 1g to 4 mu L, and vacuumizing at 70 ℃ under the environment of 0.1 atmospheric pressure until the solution is completely volatilized to obtain the porous polydimethylsiloxane, wherein the porosity of the porous polydimethylsiloxane is 75.01%. The particle size of the graphene powder is 450-500 nm.
The preparation method of the radiation-proof metal blended fiber comprises the following steps:
(1) obtaining a fiber body by blending a plurality of fibers;
(2) uniformly mixing porous polydimethylsiloxane, ethylene glycol ethyl ether acetate, tetradecyl trimethyl ammonium chloride powder, graphene powder, silicon carbide and protein powder in proportion, and performing ultrasonic dispersion for 40min under the power of 400W to obtain slurry;
(3) and soaking the fiber body in the slurry, controlling the temperature of the slurry to be 70 ℃, soaking for 24h, taking out the fiber body, and naturally drying to obtain the radiation-proof metal blended fiber.
Comparative example 1
The radiation-proof metal blended fiber is obtained by treating a fiber body with a coating liquid, wherein the fiber body is formed by blending nylon fibers and polyester fibers, and the coating liquid is basically the same as the coating liquid in embodiment 2 in raw materials, and has the only difference that: the porous polydimethylsiloxane was replaced with a conventional polydimethylsiloxane. The preparation method of the metal blended fiber is the same as that of the embodiment 2.
Comparative example 2
The radiation-proof metal blended fiber is obtained by treating a fiber body with a coating liquid, wherein the fiber body is formed by blending nylon fibers and polyester fibers, and the coating liquid is basically the same as the coating liquid in embodiment 2 in raw materials, and has the only difference that: 8 parts of tetradecyltrimethylammonium chloride powder are replaced by 8 parts of graphene powder, i.e. a total of 16 parts of graphene powder are used. The preparation method of the metal blended fiber is the same as that of the embodiment 2.
Comparative example 3
The radiation-proof metal blended fiber is obtained by treating a fiber body with a coating liquid, wherein the fiber body is formed by blending nylon fibers and polyester fibers, and the coating liquid is basically the same as the coating liquid in embodiment 2 in raw materials, and has the only difference that: replacing 8 parts of graphene powder with 8 parts
Tetradecyltrimethylammonium chloride powder, i.e. 16 parts in total of tetradecyltrimethylammonium chloride powder are used. The preparation method of the metal blended fiber is the same as that of the embodiment 2.
The metal blended fibers prepared in the above example 2 and comparative examples 1 to 3 were used to prepare fabrics in the same manner, and the following tests were performed on each fabric sample:
(1) moisture absorption performance: the moisture absorption rate, the drip diffusion time and the wicking height of the sample are tested according to GB/T21655.1-2008 assessment on moisture absorption quick-drying property;
(2) the soft performance is as follows: detecting the softness degree of a fabric sample by adopting a fabric style tester (grade I-V, grade I softness is optimal);
(3) radiation protection performance: the electromagnetic shielding effectiveness of the fabrics of the examples and the comparative examples before and after 30 times of water washing is tested according to the standard of GB/T22583-2009 radiation protection knitwear.
The results of the various tests are given in the following table:
from the above table, it can be seen that the moisture absorption performance and the flexibility of the fiber fabric prepared in example 2 of the present invention are significantly better than those of comparative example 1, so that the porous polydimethylsiloxane has a multi-dimensional high-porosity structure, and compared with the common polydimethylsiloxane, the moisture absorption performance and the flexibility of the fabric are significantly improved. Meanwhile, the electromagnetic shielding effectiveness of the fabric prepared in the embodiment 2 before and after 30 times of water washing is more than 43dB, which is very outstanding, while the electromagnetic shielding effectiveness of the fabric prepared in the comparative example 2 is lower due to the fact that only single particles of graphene powder are adopted, and the electromagnetic shielding effectiveness is obviously reduced in the water washing process; in addition, the comparative example 3 has lower electromagnetic shielding performance due to the use of only the tetradecyltrimethylammonium chloride powder as a single particle, which also indicates that the graphene powder and the tetradecyltrimethylammonium chloride powder can exert better radiation-proof performance only by being used in combination.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (9)
1. The radiation-proof metal blended fiber is characterized in that the metal blended fiber is obtained by treating a fiber body with a coating liquid, and the coating liquid is prepared from the following raw materials: porous polydimethylsiloxane, ethylene glycol ethyl ether acetate, tetradecyl trimethyl ammonium chloride powder, graphene powder, silicon carbide and protein powder.
2. The radiation-proof metal blended fiber according to claim 1, wherein the coating liquid is prepared from the following raw materials in parts by weight: 40-60 parts of porous polydimethylsiloxane, 20-40 parts of ethylene glycol ethyl ether acetate, 4-12 parts of tetradecyl trimethyl ammonium chloride powder, 4-12 parts of graphene powder, 1-5 parts of silicon carbide and 1-5 parts of protein powder.
3. The radiation-proof metal blended fiber according to claim 1 or 2, wherein the porous polydimethylsiloxane is prepared by the following method: taking polydimethylsiloxane, uniformly stirring and mixing the polydimethylsiloxane and the ethoxylated polyethyleneimine solution according to the proportion of 1g:2-4 mu L, and vacuumizing until the solution is completely volatilized to obtain the porous polydimethylsiloxane.
4. A radiation protective metal blend fiber according to claim 3 wherein said vacuum is applied at a temperature of 60 to 70 ℃ and a pressure of 0.1 to 0.3 atm.
5. A radiation protective metal blend fiber according to claim 3, wherein said porous polydimethylsiloxane has a porosity of 60-75%.
6. The radiation-proof metal blended fiber according to claim 1 or 2, wherein the mass ratio of the tetradecyltrimethylammonium chloride powder to the graphene powder is 1: 1.
7. The radiation-proof metal blended fiber according to claim 1 or 2, wherein the particle size of the graphene powder is 10-500 nm.
8. The radiation-proof metal blended fiber according to claim 1, wherein the fiber body is formed by blending nylon fibers and polyester fibers.
9. A method for preparing the radiation protective metal blend fiber of claim 1, comprising the steps of:
(1) obtaining a fiber body by blending a plurality of fibers;
(2) uniformly mixing porous polydimethylsiloxane, ethylene glycol ethyl ether acetate, tetradecyl trimethyl ammonium chloride powder, graphene powder, silicon carbide and protein powder in proportion, and performing ultrasonic dispersion for 40-60min under the power of 200-400W to obtain slurry;
(3) and soaking the fiber body in the slurry at the temperature of 60-70 ℃ for 24-36h, taking out the fiber body, and naturally drying to obtain the radiation-proof metal blended fiber.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101881436B1 (en) * | 2017-10-19 | 2018-07-24 | 테크젠정공(주) | manufacturing method for High-capacity heat sink coated with carbon nanotube and graphene mixture |
| US20210122940A1 (en) * | 2017-12-08 | 2021-04-29 | Crrc Qingdao Sifang Co., Ltd. | Electromagnetic shielding filler, electromagnetic shielding coating comprising the same, preparation method and use thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101881436B1 (en) * | 2017-10-19 | 2018-07-24 | 테크젠정공(주) | manufacturing method for High-capacity heat sink coated with carbon nanotube and graphene mixture |
| US20210122940A1 (en) * | 2017-12-08 | 2021-04-29 | Crrc Qingdao Sifang Co., Ltd. | Electromagnetic shielding filler, electromagnetic shielding coating comprising the same, preparation method and use thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张松林;邹梨花;张梓萌;马莹;: "氧化石墨烯多层膜在棉织物上的层层组装及其电磁屏蔽性能", 东华大学学报(自然科学版), no. 01, pages 30 - 34 * |
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