CN111138857A - Ultra-low temperature-resistant high-oil-resistant 150 ℃ irradiation crosslinking low-smoke halogen-free flame-retardant cable material and preparation method thereof - Google Patents
Ultra-low temperature-resistant high-oil-resistant 150 ℃ irradiation crosslinking low-smoke halogen-free flame-retardant cable material and preparation method thereof Download PDFInfo
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
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- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
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Abstract
The invention discloses a super-low temperature-resistant high-oil-resistant 150 ℃ irradiation crosslinking low-smoke halogen-free flame-retardant cable material, which comprises the following components: 30-50 parts of silicon rubber; 10-30 parts of ethylene propylene diene monomer; 10-20 parts of nitrile rubber; 15-30 parts of high-density polyethylene; 10-20 parts of a compatilizer; 100 portions and 150 portions of halogen-free flame retardant; 3-8 parts of white carbon black; 0.5-5 parts of an anti-aging agent; 0.3-1 part of copper inhibitor; 0.3-1 part of smoke suppressant; 0.5-1 part of lubricant; 1-4 parts of auxiliary crosslinking agent. According to the invention, silicon rubber, ethylene propylene diene monomer, nitrile rubber and high-density polyethylene which are matched according to a certain proportion are taken as main matrixes, so that the oil resistance and the low-temperature resistance of the material are improved, the mechanical and environmental-friendly properties of the material can be balanced, and the anti-aging system of the material can enable the material to reach the temperature resistance level of 150 ℃. Provides better choices for steamships, oil platforms, automobiles and rolling stocks.
Description
Technical Field
The invention relates to the technical field of wire and cable materials, in particular to an ultra-low temperature resistant and high oil resistant 150 ℃ irradiation crosslinking low-smoke halogen-free flame retardant cable material and a preparation method thereof.
Background
The wire and cable are used as wire products for transmitting electric energy and electric signals and realizing electromagnetic conversion, and are closely related to production and life of people. Particularly, with the development of industry and the improvement of social productivity, higher requirements are put on wires and cables. For different application occasions, new products continuously appear, and more special cables such as fire-resistant cables, flame-retardant cables, termite-proof cables, anti-aging mouse cables, medical cables, agricultural cables, mining cables and the like, robot cables, cables for new energy vehicles, thin-wall cables and the like are applied to traditional cables.
The special cable is a series of products with unique performance and special structure, and compared with the traditional cable, the special cable has the characteristics of high technical content, strict use conditions, small batch, high added value and the like, and is usually manufactured by adopting a new material, a wire structure, a new process, a new design and the like.
The existing irradiation crosslinking low-smoke halogen-free flame-retardant cable material meets the requirements on mechanical property, aging resistance and environmental protection property, but has the defects of oil resistance and low temperature resistance, and cannot provide a better cable material for the application fields of steamships, automobiles, locomotives and the like.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide an ultra-low temperature resistant and high oil resistant 150 ℃ irradiation crosslinking low-smoke halogen-free flame-retardant cable material.
The second purpose of the invention is to provide a preparation method of the ultra-low temperature resistant and high oil resistant 150 ℃ irradiation crosslinking low-smoke halogen-free flame-retardant cable material.
In order to realize one of the purposes of the invention, the adopted technical scheme is as follows:
the ultra-low temperature-resistant high oil-resistant 150 ℃ irradiation crosslinking low-smoke halogen-free flame-retardant cable material comprises the following components in parts by weight:
30-50 parts of silicon rubber;
10-30 parts of ethylene propylene diene monomer;
10-20 parts of nitrile rubber;
15-30 parts of high-density polyethylene;
10-20 parts of a compatilizer;
100 portions and 150 portions of halogen-free flame retardant;
3-8 parts of white carbon black;
0.5-5 parts of an anti-aging agent;
0.3-1 part of copper inhibitor;
0.3-1 part of smoke suppressant;
0.5-1 part of lubricant;
1-4 parts of auxiliary crosslinking agent.
In a preferred embodiment of the invention, the ethylene-propylene-diene monomer has a Mooney viscosity of 20 to 30(ML1+4, 100 ℃), an ethylene content of 60 to 70% and a third monomer content of 2 to 4.9%.
In a preferred embodiment of the present invention, the silicone rubber is a silicone rubber having a phenyl content of 5%.
In a preferred embodiment of the invention, the nitrile rubber is a nitrile rubber having AN content of 35 to 42%.
In a preferred embodiment of the invention, the compatilizer is any one or more of maleic anhydride grafted ethylene propylene diene monomer rubber, maleic anhydride grafted ethylene-vinyl acetate or maleic anhydride grafted polyethylene, and the grafting rate of the maleic anhydride is 0.8-2%.
In a preferred embodiment of the present invention, the halogen-free flame retardant is magnesium hydroxide.
In a preferred embodiment of the present invention, the antioxidant is any one or more of phenyl- β -naphthylamine, N-phenyl-N' -cyclohexyl-p-phenylenediamine, 2, 5-di-tert-butyl-hydroquinone, hexanediol [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], (4-hydroxy-3, 5-di-tert-butylphenyl) propionate, and dilauryl thiodipropionate.
In a preferred embodiment of the present invention, the copper resistant agent is 1024.
In a preferred embodiment of the invention, the smoke suppressant is molybdenum trioxide.
In a preferred embodiment of the present invention, the lubricant is any one or more of zinc stearate, paraffin Wax, PE Wax, Wax (Wax E).
In a preferred embodiment of the present invention, the co-crosslinking agent is TAIC.
In order to realize the second purpose of the invention, the adopted technical scheme is as follows:
a preparation method of a super-low temperature-resistant high-oil-resistant 150 ℃ irradiation crosslinking low-smoke halogen-free flame-retardant cable material comprises the following steps:
banburying step: adding the silicon rubber, the ethylene propylene diene monomer, the nitrile rubber, the high-density polyethylene, the compatilizer, the halogen-free flame retardant, the white carbon black, the anti-aging agent, the copper inhibitor, the smoke suppressant, the lubricant and the auxiliary crosslinking agent into an internal mixer for mixing and banburying;
and (3) granulating: plasticating the internally mixed master batch through an extruder, extruding and granulating to obtain the product.
In a preferred embodiment of the invention, the banburying time is 15 to 20 minutes.
The invention has the beneficial effects that:
the invention can balance the mechanical and environmental protection performances of the material while improving the oil resistance and low temperature resistance of the material, and the anti-aging system of the material can enable the material to reach the temperature resistance level of 150 ℃. Provides better choices for steamships, oil platforms, automobiles and rolling stocks.
Detailed Description
The principle of the invention is as follows:
the silicone rubber, the ethylene propylene diene monomer rubber, the nitrile rubber and the high-density polyethylene which are matched according to a certain proportion are taken as main matrixes, so that the oil resistance and the low-temperature resistance of the material are improved, the mechanical and environmental-friendly properties of the material can be balanced, and the anti-aging system of the material can enable the material to reach the temperature-resistant grade of 150 ℃. Provides better choices for steamships, oil platforms, automobiles and rolling stocks.
The existing material is mainly formed by blending ethylene-vinyl acetate copolymer resin, POE resin and polyethylene, and although the mechanical and environmental-friendly properties of the material meet the requirements, the oil resistance and low temperature resistance are unsatisfactory, and the temperature resistance grade of the material is insufficient.
In order to make the technical contents and the beneficial effects of the formula ratio of the invention clearer, the invention is further described in detail with reference to the following embodiment. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention.
Example 1:
weighing the following raw materials: 50 parts of silicon rubber, 10 parts of ethylene propylene diene monomer, 10 parts of nitrile rubber, 20 parts of high-density polyethylene, 10 parts of compatilizer, 130 parts of halogen-free flame retardant, 5 parts of white carbon black, 4 parts of anti-aging agent, 0.5 part of copper inhibitor, 0.8 part of smoke suppressant, 0.5 part of lubricant and 2 parts of auxiliary crosslinking agent.
The compatilizer is maleic anhydride grafted POE.
The anti-aging agent is 2, 5-di-tert-butyl-hydroquinone, hexanediol [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], N-phenyl-N' -cyclohexyl-p-phenylenediamine in a ratio of 2:1: 2.
The lubricant is paraffin and PE wax mixture with the ratio of 1: 3.
Mixing: the resin and the additive components are added into an internal mixer to be mixed for 15 to 20 minutes.
And (3) granulation: plasticating the mixed master batch by a double-screw extruder by using a double-cone feeding machine, granulating, drying and packaging.
Example 2:
weighing the following raw materials: 40 parts of silicon rubber, 10 parts of ethylene propylene diene monomer, 10 parts of nitrile rubber, 30 parts of high-density polyethylene, 10 parts of compatilizer, 130 parts of halogen-free flame retardant, 5 parts of white carbon black, 4 parts of anti-aging agent, 0.4 part of copper inhibitor, 0.8 part of smoke suppressant, 0.5 part of lubricant and 2 parts of auxiliary crosslinking agent.
The compatibilizer is maleic anhydride grafted PE.
The anti-aging agent is 2, 5-di-tert-butyl-hydroquinone, phenyl- β -naphthylamine and N-phenyl-N' -cyclohexyl-p-phenylenediamine in a ratio of 2:1: 1.
The lubricant is PE wax.
Mixing: and adding the resin and the additive components into an internal mixer for mixing for 15-20 minutes to uniformly mix the components.
And (3) granulation: plasticating the mixed master batch by a double-screw extruder by using a double-cone feeding machine, bracing, cooling, granulating, drying and packaging.
Example 3:
weighing the following raw materials: 30 parts of silicon rubber, 20 parts of ethylene propylene diene monomer, 10 parts of nitrile rubber, 30 parts of high-density polyethylene, 10 parts of compatilizer, 130 parts of halogen-free flame retardant, 5 parts of white carbon black, 4 parts of anti-aging agent, 0.4 part of copper inhibitor, 0.8 part of smoke suppressant, 0.5 part of lubricant and 2 parts of crosslinking assistant.
The compatibilizer is maleic anhydride grafted PE.
The lubricant is 2, 5-di-tert-butyl-hydroquinone, dilauryl thiodipropionate and N-phenyl-N' -cyclohexyl-p-phenylenediamine in a ratio of 2:1: 2.
The lubricant is PE wax.
Mixing: and adding the resin and the additive components into an internal mixer for mixing for 15-20 minutes to uniformly mix the components.
And (3) granulation: plasticating the mixed master batch by a double-screw extruder by using a double-cone feeding machine, granulating, drying and packaging.
Example 4:
weighing the following raw materials: 30 parts of silicon rubber, 10 parts of ethylene propylene diene monomer, 20 parts of nitrile rubber, 30 parts of high-density polyethylene, 10 parts of compatilizer, 130 parts of halogen-free flame retardant, 5 parts of white carbon black, 4 parts of anti-aging agent, 0.4 part of copper inhibitor, 0.8 part of smoke suppressant, 0.5 part of lubricant and 2 parts of crosslinking assistant.
The compatilizer is maleic anhydride grafted PE and maleic anhydride grafted POE, and the ratio is 1: 1.
The antioxidant is 2, 5-di-tert-butyl-hydroquinone, dilauryl thiodipropionate, hexanediol [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], N-phenyl-N' -cyclohexyl-p-phenylenediamine in a ratio of 2:1: 2: 1.
The lubricant is PE wax and zinc stearate with the proportion of 1: 1.
Mixing: and adding the resin and the additive components into an internal mixer for mixing for 15-20 minutes to uniformly mix the components.
And (3) granulation: plasticating the mixed master batch by a double-screw extruder by using a double-cone feeding machine, granulating, drying and packaging.
Example 5:
weighing the following raw materials: 20 parts of silicon rubber, 20 parts of ethylene propylene diene monomer, 20 parts of nitrile rubber, 30 parts of high-density polyethylene, 10 parts of compatilizer, 130 parts of halogen-free flame retardant, 5 parts of white carbon black, 4 parts of anti-aging agent, 0.4 part of copper inhibitor, 0.8 part of smoke suppressant, 0.5 part of lubricant and 2 parts of auxiliary crosslinking agent.
The compatilizer is maleic anhydride grafted POE and maleic anhydride grafted EPDM, and the ratio of the two is 2: 1.
The antioxidant is 2, 5-di-tert-butyl-hydroquinone, hexanediol [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], dilauryl thiodipropionate and phenyl- β -naphthylamine in a ratio of 2: 3: 1: 1.
The lubricant is PE wax.
Mixing: and adding the resin and the additive components into an internal mixer for mixing for 15-20 minutes to uniformly mix the components.
And (3) granulation: plasticating the mixed master batch by a double-screw extruder by using a double-cone feeding machine, granulating, drying and packaging.
Comparative example 1:
the comparative example is an ethylene-vinyl acetate copolymer resin, POE resin and polyethylene blending system.
Weighing the following raw materials: 40 parts of EVA resin, 30 parts of POE resin, 20 parts of polyethylene, 10 parts of compatilizer, 130 parts of halogen-free flame retardant, 5 parts of white carbon black, 4 parts of anti-aging agent, 0.4 part of copper inhibitor, 0.8 part of smoke inhibitor, 0.5 part of lubricant and 2 parts of auxiliary crosslinking agent.
The compatilizer is maleic anhydride grafted POE and maleic anhydride grafted PE, and the ratio of the two is 2: 1.
The antioxidant is 2, 5-di-tert-butyl-hydroquinone, hexanediol [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], dilauryl thiodipropionate and phenyl- β -naphthylamine in a ratio of 2: 3: 1: 1.
The lubricant is PE wax.
Mixing: and adding the resin and the additive components into an internal mixer for mixing for 15-20 minutes to uniformly mix the components.
And (3) granulation: plasticating the mixed master batch by a double-screw extruder by using a double-cone feeding machine, granulating, drying and packaging.
Comparative example 2:
comparative example 2 also used the same blending system as the inventive examples, but in a different ratio.
Weighing the following raw materials: 15 parts of silicon rubber, 40 parts of ethylene propylene diene monomer, 5 parts of nitrile rubber, 35 parts of high-density polyethylene, 5 parts of compatilizer, 130 parts of halogen-free flame retardant, 5 parts of white carbon black, 4 parts of anti-aging agent, 0.4 part of copper inhibitor, 0.8 part of smoke suppressant, 0.5 part of lubricant and 2 parts of auxiliary crosslinking agent.
The compatilizer is maleic anhydride grafted POE and maleic anhydride grafted EPDM, and the ratio of the two is 2: 1.
The antioxidant is 2, 5-di-tert-butyl-hydroquinone, hexanediol [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], dilauryl thiodipropionate and phenyl- β -naphthylamine in a ratio of 2: 3: 1: 1.
The lubricant is PE wax.
Mixing: and adding the resin and the additive components into an internal mixer for mixing for 15-20 minutes to uniformly mix the components.
And (3) granulation: plasticating the mixed master batch by a double-screw extruder by using a double-cone feeding machine, granulating, drying and packaging.
Comparative example 3:
comparative example 3 was obtained by partially replacing the blending system of the inventive example.
Weighing the following raw materials: 20 parts of silicon rubber, 20 parts of ethylene propylene diene monomer, 20 parts of POE resin, 30 parts of high-density polyethylene, 10 parts of compatilizer, 130 parts of halogen-free flame retardant, 5 parts of white carbon black, 4 parts of anti-aging agent, 0.4 part of copper inhibitor, 0.8 part of smoke suppressant, 0.5 part of lubricant and 2 parts of crosslinking assistant.
The compatilizer is maleic anhydride grafted POE and maleic anhydride grafted EPDM, and the ratio of the two is 2: 1.
The antioxidant is 2, 5-di-tert-butyl-hydroquinone, hexanediol [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], dilauryl thiodipropionate and phenyl- β -naphthylamine in a ratio of 2: 3: 1: 1.
The lubricant is PE wax.
Mixing: and adding the resin and the additive components into an internal mixer for mixing for 15-20 minutes to uniformly mix the components.
And (3) granulation: plasticating the mixed master batch by a double-screw extruder by using a double-cone feeding machine, granulating, drying and packaging.
Physical property tests were performed on the materials of examples 1 to 5, and the results are shown in Table 1.
TABLE 1
Comparative aging tests on the materials of examples 1 to 5 and comparative examples were carried out in the following manner: cutting the materials into samples according to GB/T2951, placing the sample sheets in an air aging box for aging at the aging temperature of 180 ℃ for 168 hours, and then testing the mechanical properties of the sample sheets; the test results are shown in table 2.
TABLE 2
As can be seen from the data, compared with the existing product (comparative example 1), the oil resistance and the low temperature resistance of the material are improved, the mechanical and environmental performance of the material can be balanced, and the anti-aging system of the material can enable the material to reach the temperature resistance level of 150 ℃. Provides better choices for steamships, oil platforms, automobiles and rolling stocks.
The principal features and advantages of the invention have been shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The ultra-low temperature-resistant high oil-resistant 150 ℃ irradiation crosslinking low-smoke halogen-free flame-retardant cable material is characterized by comprising the following components in parts by weight:
30-50 parts of silicon rubber;
10-30 parts of ethylene propylene diene monomer;
10-20 parts of nitrile rubber;
15-30 parts of high-density polyethylene;
10-20 parts of a compatilizer;
100 portions and 150 portions of halogen-free flame retardant;
3-8 parts of white carbon black;
0.5-5 parts of an anti-aging agent;
0.3-1 part of copper inhibitor;
0.3-1 part of smoke suppressant;
0.5-1 part of lubricant;
1-4 parts of auxiliary crosslinking agent.
2. The ultra-low temperature resistant high oil resistant 150 ℃ irradiation crosslinking low smoke zero halogen flame retardant cable material according to claim 1, wherein the Mooney viscosity of the ethylene propylene diene monomer is 20-30(ML1+4, 100 ℃), the ethylene content is 60-70%, and the third monomer content is 2-4.9%.
3. The ultra-low temperature and high oil resistant 150 ℃ irradiation crosslinking low smoke halogen-free flame retardant cable material as claimed in claim 1, wherein the silicone rubber is silicone rubber with 5% phenyl content.
4. The ultra-low temperature and high oil resistant 150 ℃ irradiation crosslinking low smoke zero halogen flame retardant cable material as claimed in claim 1, wherein the nitrile rubber is nitrile rubber with AN AN content of 35-42%.
5. The ultra-low temperature and high oil resistance 150 ℃ irradiation crosslinking low smoke zero halogen flame retardant cable material according to claim 1, wherein the compatilizer is any one or more of maleic anhydride grafted ethylene propylene diene monomer rubber, maleic anhydride grafted ethylene vinyl acetate or maleic anhydride grafted polyethylene, and the grafting rate of maleic anhydride is 0.8-2%.
6. The ultra-low temperature and high oil resistant 150 ℃ irradiation crosslinking low smoke zero halogen flame retardant cable material according to claim 1, wherein the zero halogen flame retardant is magnesium hydroxide.
7. The ultra-low temperature resistant and high oil resistant 150 ℃ radiation crosslinking low smoke zero halogen flame retardant cable material as claimed in claim 1, wherein the anti-aging agent is any one or more of phenyl- β -naphthylamine, N-phenyl-N' -cyclohexyl-p-phenylenediamine, 2, 5-di-tert-butyl-hydroquinone, hexanediol [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], (4-hydroxy-3, 5-di-tert-butylphenyl) octadecyl propionate, and dilauryl thiodipropionate.
8. The ultra-low temperature and high oil resistant 150 ℃ irradiation crosslinking low smoke zero halogen flame retardant cable material according to claim 1, wherein the copper resistant agent is 1024;
the smoke suppressant is molybdenum trioxide;
the lubricant is any one or more of zinc stearate, paraffin Wax, PE Wax and Wax (Wax E);
the auxiliary crosslinking agent is TAIC.
9. The preparation method of the ultra-low temperature resistant and high oil resistant 150 ℃ irradiation crosslinking low smoke halogen-free flame retardant cable material according to any one of claims 1-8, characterized by comprising the following steps:
banburying step: adding the silicon rubber, the ethylene propylene diene monomer, the nitrile rubber, the high-density polyethylene, the compatilizer, the halogen-free flame retardant, the white carbon black, the anti-aging agent, the copper inhibitor, the smoke suppressant, the lubricant and the auxiliary crosslinking agent into an internal mixer for mixing and banburying;
and (3) granulating: plasticating the internally mixed master batch through an extruder, extruding and granulating to obtain the product.
10. The method for preparing the ultra-low temperature and high oil resistance 150 ℃ irradiation crosslinking low smoke halogen-free flame retardant cable material according to claim 9, wherein the banburying time is 15-20 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911312291.7A CN111138857A (en) | 2019-12-18 | 2019-12-18 | Ultra-low temperature-resistant high-oil-resistant 150 ℃ irradiation crosslinking low-smoke halogen-free flame-retardant cable material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911312291.7A CN111138857A (en) | 2019-12-18 | 2019-12-18 | Ultra-low temperature-resistant high-oil-resistant 150 ℃ irradiation crosslinking low-smoke halogen-free flame-retardant cable material and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111138857A true CN111138857A (en) | 2020-05-12 |
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| JP2007287683A (en) * | 2006-03-23 | 2007-11-01 | Furukawa Electric Co Ltd:The | Insulating part for electrical cable |
| CN103396639A (en) * | 2013-07-19 | 2013-11-20 | 华南理工大学 | Dynamic vulcanized fluoroplastic/fluororubber/silicone rubber thermoplastic elastomer and preparation method thereof |
| CN105238055A (en) * | 2015-09-25 | 2016-01-13 | 宿松县焕然机电有限责任公司 | Motor slot wedge heat-resistance insulation composite material and preparation method thereof |
| CN106380861A (en) * | 2016-10-20 | 2017-02-08 | 江苏达胜高聚物股份有限公司 | Cable material, and preparation method and application thereof |
| CN109679235A (en) * | 2018-12-29 | 2019-04-26 | 上海至正道化高分子材料股份有限公司 | A kind of motor lead 150 DEG C of irradiated crosslinking low-smoke and halogen-free flame retardant CABLE MATERIALSs and preparation method thereof |
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| JP2007287683A (en) * | 2006-03-23 | 2007-11-01 | Furukawa Electric Co Ltd:The | Insulating part for electrical cable |
| CN103396639A (en) * | 2013-07-19 | 2013-11-20 | 华南理工大学 | Dynamic vulcanized fluoroplastic/fluororubber/silicone rubber thermoplastic elastomer and preparation method thereof |
| CN105238055A (en) * | 2015-09-25 | 2016-01-13 | 宿松县焕然机电有限责任公司 | Motor slot wedge heat-resistance insulation composite material and preparation method thereof |
| CN106380861A (en) * | 2016-10-20 | 2017-02-08 | 江苏达胜高聚物股份有限公司 | Cable material, and preparation method and application thereof |
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