CN105713287A - Aluminum-core power cable material with good thermal stability and excellent extension resistance - Google Patents
Aluminum-core power cable material with good thermal stability and excellent extension resistance Download PDFInfo
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K1/00—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
- C07K1/107—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length by chemical modification of precursor peptides
- C07K1/113—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length by chemical modification of precursor peptides without change of the primary structure
- C07K1/1136—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length by chemical modification of precursor peptides without change of the primary structure by reversible modification of the secondary, tertiary or quarternary structure, e.g. using denaturating or stabilising agents
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- C12P21/00—Preparation of peptides or proteins
- C12P21/06—Preparation of peptides or proteins produced by the hydrolysis of a peptide bond, e.g. hydrolysate products
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01B3/30—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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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Abstract
The invention discloses an aluminum-core power cable material with good thermal stability and excellent extension resistance. The aluminum-core power cable material is prepared from raw materials in parts by weight as follows: 30-40 parts of an ethylene-vinyl acetate copolymer, 15-25 parts of nitrile butadiene rubber, 20-35 parts of high density polyethylene, 1-2 parts of dioctyl adipate, 1.2-1.8 parts of dimethyl pathalate, 0.6-1.2 parts of chlorinated paraffin, 1.5-2.5 parts of N,N'-meta phenylene bis maleimide, 1-2 parts of sulfur, 0.5-0.6 parts of potassium ammonium dichromate, 0.3-0.8 parts of poly-1,4-nitrosobenzene, 50-75 parts of nano-silica, 8-16 parts of glass fibers, 10-20 parts of modified wheat protein, 5-15 parts of diatomite, 1-2 parts of C5 petroleum resin, 1-3 parts of liquid coumarone resin, 1-2 parts of disproportionated rosin, 0.5-1.5 parts of an antioxidant 264, 0.5-1.5 parts of an ultraviolet absorber UV-531 and 1-2 parts of zinc stearate. The aluminum-core power cable material has good thermal stability and excellent extension resistance.
Description
Technical field
The present invention relates to CABLE MATERIALS technical field, particularly relate to the aluminum core power cable material that a kind of thermally-stabilised good anti-extension property is excellent.
Background technology
Power cable is in order to transmit and to distribute the cable product of high-power power in the basic routing line of power system, including 1-500KV and any of the above electric pressure, the power cable of various insulation.The core of current power cable is mainly copper and aluminum, but copper density is big, and Domestic Resources is deficienter, is subject to the impact of international market, and aluminum core power cable is increasingly widely applied, but the heat stability of aluminum core power cable material is in urgent need to be improved with anti-extension property.
Summary of the invention
The present invention proposes the aluminum core power cable material that a kind of thermally-stabilised good anti-extension property is excellent, and Heat stability is good, anti-extension property is excellent.
The aluminum core power cable material of a kind of thermally-stabilised good anti-extension property excellence that the present invention proposes, its raw material includes by weight: ethylene-vinyl acetate copolymer 30-40 part, nitrile rubber 15-25 part, high density polyethylene (HDPE) 20-35 part, dioctyl adipate 1-2 part, dimethyl phthalate 1.2-1.8 part, chlorinated paraffin 0.6-1.2 part, N, N '-penylene BMI 1.5-2.5 part, sulfur 1-2 part, Ammonium bichromate. potassium 0.5-0.6 part, poly-to nitrosobenzene 0.3-0.8 part, nano silicon 50-75 part, glass fibre 8-16 part, modified wheat protein 10-20 parts, kieselguhr 5-15 part, C5 Petropols 1-2 part, liquid coumarone indene resin 1-3 part, disproportionated rosin 1-2 part, antioxidant 264 0.5-1.5 part, UV absorbers UV-5310.5-1.5 part, zinc stearate 1-2 part.
Preferably, described modified wheat albumen adopts following technique to prepare: by weight by 40-80 part wheat protein, 20-45 part distilled water mix and blend, mixing speed is 2000-2500r/min, mixing time is 10-20min, add 0.01-0.08 part neutral protease, 0.04-0.09 part glutamic acid ammonia transaminase continues stirring 20-40s, it is neutral for adding sodium hydroxide regulation system pH value, send into water bath with thermostatic control shaking table, 1-2h is reacted at 25-35 DEG C, enzyme denaturing, dry, pulverize, add 5-15 part glass fibre, 50-60 part concentration is 80-95% alcoholic solution, 0.5-1 part dodecylbenzene sodium sulfonate mix and blend 10-20h, heat under stirring to 60-80 DEG C of insulation 1-3h, filter, washing, send into 110-125 DEG C of baking oven insulation 2-4h, add 20-40 part xylol solution, 0.2-0.8 part boric acid ester coupler, the ultrasonic 20-40h of 20-30 part deionized water, ultrasonic temperature is 70-80 DEG C, filter, washing, dry, grinding obtains modified wheat albumen.
Preferably, nano silicon, glass fibre, modified wheat albumen, diatomaceous weight ratio are 55-60:10-14:14-16:10-13.
Preferably, dioctyl adipate, dimethyl phthalate, chlorinated paraffin weight ratio be 1.4-1.6:1.3-1.5:0.8-1.
Preferably, N, a N '-penylene BMI, sulfur, Ammonium bichromate. potassium, the poly-weight ratio to nitrosobenzene are 2.2-2.4:1.3-1.5:0.55-0.58:0.4-0.6.
Preferably, disproportionated rosin, antioxidant 264, UV absorbers UV-531, modified wheat albumen weight ratio be 1.2-1.5:0.7-1.2:1.1-1.3:14-16.
Preferably, ethylene-vinyl acetate copolymer, nitrile rubber, high density polyethylene (HDPE), 32-35 part 16-20 part 25-30 part
Preferably, the aluminum core power cable material that described thermally-stabilised good anti-extension property is excellent, its raw material includes by weight: ethylene-vinyl acetate copolymer 32-35 part, nitrile rubber 16-20 part, high density polyethylene (HDPE) 25-30 part, dioctyl adipate 1.4-1.6 part, dimethyl phthalate 1.3-1.5 part, chlorinated paraffin 0.8-1 part, N, N '-penylene BMI 2.2-2.4 part, sulfur 1.3-1.5 part, Ammonium bichromate. potassium 0.55-0.58 part, poly-to nitrosobenzene 0.4-0.6 part, nano silicon 55-60 part, glass fibre 10-14 part, modified wheat protein 14-16 parts, kieselguhr 10-13 part, C5 Petropols 1.2-1.5 part, liquid coumarone indene resin 1.5-2.2 part, disproportionated rosin 1.2-1.5 part, antioxidant 264 0.7-1.2 part, UV absorbers UV-5311.1-1.3 part, zinc stearate 1.4-1.7 part.
The present invention adopts the preparation technology of common cable material to prepare.
In the present invention, in modified wheat albumen, glutamine transaminage can by the amide groups transfer reaction of the γ of wheat protein GLN residue-between hydroxy amide base and primary amine and form covalent bond, produce covalent cross-linking, produce network-like super large protein molecule, add glass fibre further, and adopt dodecylbenzene sodium sulfonate and boric acid ester coupler dual composite modified, obtain modified wheat albumen and nitrile rubber, ethylene-vinyl acetate copolymer and high density polyethylene (HDPE) rubber compounding effect, goods not only mechanical property is fabulous, and anti-wear performance is excellent, discarded rear degradable, environmental pollution is little.Additionally nano silicon, glass fibre, modified wheat albumen and kieselguhr mating reaction, Mechanical Properties of Products and anti-wear performance further enhance, but much higher hard, by adding dioctyl adipate, dimethyl phthalate and chlorinated paraffin mating reaction, while reducing Article Stiffness Determination, goods good toughness, by proportioning between conservative control component, Article Stiffness Determination is balanced with toughness, and adopt N, a N '-penylene BMI, sulfur, Ammonium bichromate. potassium, gather nitrosobenzene as vulcanizing system, and with modified wheat albumen mating reaction, goods cure efficiency is good, Mechanical Properties of Products, ageing-resistant and anti-wear performance further enhances, and disproportionated rosin, antioxidant 264, UV absorbers UV-531 and modified wheat albumen mating reaction, strengthening on the basis of goods ageing-resistant performance, goods are also degradable after discarding, environmental pollution is less.
Detailed description of the invention
Below, by specific embodiment, technical scheme is described in detail.
Embodiment 1
The aluminum core power cable material that a kind of thermally-stabilised good anti-extension property is excellent, its raw material includes by weight: ethylene-vinyl acetate copolymer 40 parts, nitrile rubber 15 parts, high density polyethylene (HDPE) 35 parts, dioctyl adipate 1 part, dimethyl phthalate 1.8 parts, chlorinated paraffin 0.6 part, N, N '-penylene BMI 2.5 parts, 1 part of sulfur, 0.6 part of Ammonium bichromate. potassium, poly-to nitrosobenzene 0.3 part, nano silicon 75 parts, glass fibre 8 parts, modified wheat protein 20 part, 5 parts of kieselguhr, C5 Petropols 2 parts, liquid coumarone indene resin 1 part, disproportionated rosin 2 parts, antioxidant 264 0.5 part, UV absorbers UV-5311.5 part, zinc stearate 1 part.
Embodiment 2
The aluminum core power cable material that a kind of thermally-stabilised good anti-extension property is excellent, its raw material includes by weight: ethylene-vinyl acetate copolymer 30 parts, nitrile rubber 25 parts, high density polyethylene (HDPE) 20 parts, dioctyl adipate 2 parts, dimethyl phthalate 1.2 parts, chlorinated paraffin 1.2 parts, N, N '-penylene BMI 1.5 parts, 2 parts of sulfur, 0.5 part of Ammonium bichromate. potassium, poly-to nitrosobenzene 0.8 part, nano silicon 50 parts, glass fibre 16 parts, modified wheat protein 10 part, 15 parts of kieselguhr, C5 Petropols 1 part, liquid coumarone indene resin 3 parts, disproportionated rosin 1 part, antioxidant 264 1.5 parts, UV absorbers UV-5310.5 part, zinc stearate 2 parts.
Embodiment 3
The aluminum core power cable material that a kind of thermally-stabilised good anti-extension property is excellent, its raw material includes by weight: ethylene-vinyl acetate copolymer 32 parts, nitrile rubber 20 parts, high density polyethylene (HDPE) 25 parts, dioctyl adipate 1.6 parts, dimethyl phthalate 1.3 parts, chlorinated paraffin 1 part, N, N '-penylene BMI 2.2 parts, 1.5 parts of sulfur, 0.55 part of Ammonium bichromate. potassium, poly-to nitrosobenzene 0.6 part, nano silicon 55 parts, glass fibre 14 parts, modified wheat protein 14 part, 13 parts of kieselguhr, C5 Petropols 1.2 parts, liquid coumarone indene resin 2.2 parts, disproportionated rosin 1.2 parts, antioxidant 264 1.2 parts, UV absorbers UV-5311.1 part, zinc stearate 1.7 parts.
Described modified wheat albumen adopts following technique to prepare: by weight by 40 parts of wheat protein, 45 parts of distilled water mix and blends, mixing speed is 2000r/min, mixing time is 20min, add 0.01 part of neutral protease, 0.09 part of glutamic acid ammonia transaminase continues stirring 20s, it is neutral for adding sodium hydroxide regulation system pH value, send into water bath with thermostatic control shaking table, 1h is reacted at 35 DEG C, enzyme denaturing, dry, pulverize, add 15 parts of glass fibre, 50 parts of concentration are 95% alcoholic solution, 0.5 part of dodecylbenzene sodium sulfonate mix and blend 20h, heat under stirring to 60 DEG C of insulation 3h, filter, washing, send into 110 DEG C of baking oven insulation 4h, add 20 parts of xylol solution, 0.8 part of boric acid ester coupler, 20 parts of ultrasonic 40h of deionized water, ultrasonic temperature is 70 DEG C, filter, washing, dry, grinding obtains modified wheat albumen.
Embodiment 4
The aluminum core power cable material that a kind of thermally-stabilised good anti-extension property is excellent, its raw material includes by weight: ethylene-vinyl acetate copolymer 35 parts, nitrile rubber 16 parts, high density polyethylene (HDPE) 30 parts, dioctyl adipate 1.4 parts, dimethyl phthalate 1.5 parts, chlorinated paraffin 0.8 part, N, N '-penylene BMI 2.4 parts, 1.3 parts of sulfur, 0.58 part of Ammonium bichromate. potassium, poly-to nitrosobenzene 0.4 part, nano silicon 60 parts, glass fibre 10 parts, modified wheat protein 16 part, 10 parts of kieselguhr, C5 Petropols 1.5 parts, liquid coumarone indene resin 1.5 parts, disproportionated rosin 1.5 parts, antioxidant 264 0.7 part, UV absorbers UV-5311.3 part, zinc stearate 1.4 parts.
Described modified wheat albumen adopts following technique to prepare: by weight by 80 parts of wheat protein, 20 parts of distilled water mix and blends, mixing speed is 2500r/min, mixing time is 10min, add 0.08 part of neutral protease, 0.04 part of glutamic acid ammonia transaminase continues stirring 40s, it is neutral for adding sodium hydroxide regulation system pH value, send into water bath with thermostatic control shaking table, 2h is reacted at 25 DEG C, enzyme denaturing, dry, pulverize, add 5 parts of glass fibre, 60 parts of concentration are 80% alcoholic solution, 1 part of dodecylbenzene sodium sulfonate mix and blend 10h, heat under stirring to 80 DEG C of insulation 1h, filter, washing, send into 125 DEG C of baking oven insulation 2h, add 40 parts of xylol solution, 0.2 part of boric acid ester coupler, 30 parts of ultrasonic 20h of deionized water, ultrasonic temperature is 80 DEG C, filter, washing, dry, grinding obtains modified wheat albumen.
Embodiment 5
The aluminum core power cable material that a kind of thermally-stabilised good anti-extension property is excellent, its raw material includes by weight: ethylene-vinyl acetate copolymer 33.5 parts, nitrile rubber 18 parts, high density polyethylene (HDPE) 27 parts, dioctyl adipate 1.55 parts, dimethyl phthalate 1.42 parts, chlorinated paraffin 0.92 part, N, N '-penylene BMI 2.3 parts, 1.4 parts of sulfur, 0.56 part of Ammonium bichromate. potassium, poly-to nitrosobenzene 0.55 part, nano silicon 58 parts, glass fibre 12 parts, modified wheat egg+white 15 parts, 12 parts of kieselguhr, C5 Petropols 1.4 parts, liquid coumarone indene resin 1.8 parts, disproportionated rosin 1.35 parts, antioxidant 264 0.95 part, UV absorbers UV-5311.2 part, zinc stearate 1.6 parts.
Described modified wheat albumen adopts following technique to prepare: by weight by 60 parts of wheat protein, 36 parts of distilled water mix and blends, mixing speed is 2450r/min, mixing time is 16min, add 0.04 part of neutral protease, 0.06 part of glutamic acid ammonia transaminase continues stirring 30s, it is neutral for adding sodium hydroxide regulation system pH value, send into water bath with thermostatic control shaking table, 1.5h is reacted at 28 DEG C, enzyme denaturing, dry, pulverize, add 12 parts of glass fibre, 56 parts of concentration are 92% alcoholic solution, 0.8 part of dodecylbenzene sodium sulfonate mix and blend 16h, heat under stirring to 72 DEG C of insulation 2h, filter, washing, send into 118 DEG C of baking oven insulation 3h, add 36 parts of xylol solution, 0.5 part of boric acid ester coupler, 24 parts of ultrasonic 36h of deionized water, ultrasonic temperature is 72 DEG C, filter, washing, dry, grinding obtains modified wheat albumen.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; it is equal to replacement according to technical scheme and inventive concept thereof or is changed, all should be encompassed within protection scope of the present invention.
Claims (8)
1. the aluminum core power cable material that a thermally-stabilised good anti-extension property is excellent, it is characterized in that, its raw material includes by weight: ethylene-vinyl acetate copolymer 30-40 part, nitrile rubber 15-25 part, high density polyethylene (HDPE) 20-35 part, dioctyl adipate 1-2 part, dimethyl phthalate 1.2-1.8 part, chlorinated paraffin 0.6-1.2 part, N, N '-penylene BMI 1.5-2.5 part, sulfur 1-2 part, Ammonium bichromate. potassium 0.5-0.6 part, poly-to nitrosobenzene 0.3-0.8 part, nano silicon 50-75 part, glass fibre 8-16 part, modified wheat protein 10-20 parts, kieselguhr 5-15 part, C5 Petropols 1-2 part, liquid coumarone indene resin 1-3 part, disproportionated rosin 1-2 part, antioxidant 264 0.5-1.5 part, UV absorbers UV-5310.5-1.5 part, zinc stearate 1-2 part.
2. the aluminum core power cable material that thermally-stabilised good anti-extension property according to claim 1 is excellent, it is characterized in that, described modified wheat albumen adopts following technique to prepare: by weight by 40-80 part wheat protein, 20-45 part distilled water mix and blend, mixing speed is 2000-2500r/min, mixing time is 10-20min, add 0.01-0.08 part neutral protease, 0.04-0.09 part glutamic acid ammonia transaminase continues stirring 20-40s, it is neutral for adding sodium hydroxide regulation system pH value, send into water bath with thermostatic control shaking table, 1-2h is reacted at 25-35 DEG C, enzyme denaturing, dry, pulverize, add 5-15 part glass fibre, 50-60 part concentration is 80-95% alcoholic solution, 0.5-1 part dodecylbenzene sodium sulfonate mix and blend 10-20h, heat under stirring to 60-80 DEG C of insulation 1-3h, filter, washing, send into 110-125 DEG C of baking oven insulation 2-4h, add 20-40 part xylol solution, 0.2-0.8 part boric acid ester coupler, the ultrasonic 20-40h of 20-30 part deionized water, ultrasonic temperature is 70-80 DEG C, filter, washing, dry, grinding obtains modified wheat albumen.
3. the aluminum core power cable material that thermally-stabilised good anti-extension property according to claim 1 and 2 is excellent, it is characterised in that nano silicon, glass fibre, modified wheat albumen, diatomaceous weight ratio are 55-60:10-14:14-16:10-13.
4. the aluminum core power cable material that thermally-stabilised good anti-extension property according to any one of claim 1-3 is excellent, it is characterised in that dioctyl adipate, dimethyl phthalate, chlorinated paraffin weight ratio be 1.4-1.6:1.3-1.5:0.8-1.
5. the aluminum core power cable material of the thermally-stabilised good anti-extension property excellence according to any one of claim 1-4, it is characterized in that, N, N '-penylene BMI, sulfur, Ammonium bichromate. potassium, the poly-weight ratio to nitrosobenzene be 2.2-2.4:1.3-1.5:0.55-0.58:0.4-0.6.
6. the aluminum core power cable material of the thermally-stabilised good anti-extension property excellence according to any one of claim 1-5, it is characterized in that, disproportionated rosin, antioxidant 264, UV absorbers UV-531, modified wheat albumen weight ratio be 1.2-1.5:0.7-1.2:1.1-1.3:14-16.
7. the aluminum core power cable material of the thermally-stabilised good anti-extension property excellence according to any one of claim 1-6, it is characterised in that ethylene-vinyl acetate copolymer, nitrile rubber, high density polyethylene (HDPE), 32-35 part 16-20 part 25-30 part.
8. the aluminum core power cable material of the thermally-stabilised good anti-extension property excellence according to any one of claim 1-7, it is characterized in that, its raw material includes by weight: ethylene-vinyl acetate copolymer 32-35 part, nitrile rubber 16-20 part, high density polyethylene (HDPE) 25-30 part, dioctyl adipate 1.4-1.6 part, dimethyl phthalate 1.3-1.5 part, chlorinated paraffin 0.8-1 part, N, N '-penylene BMI 2.2-2.4 part, sulfur 1.3-1.5 part, Ammonium bichromate. potassium 0.55-0.58 part, poly-to nitrosobenzene 0.4-0.6 part, nano silicon 55-60 part, glass fibre 10-14 part, modified wheat protein 14-16 parts, kieselguhr 10-13 part, C5 Petropols 1.2-1.5 part, liquid coumarone indene resin 1.5-2.2 part, disproportionated rosin 1.2-1.5 part, antioxidant 264 0.7-1.2 part, UV absorbers UV-5311.1-1.3 part, zinc stearate 1.4-1.7 part.
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| CN106167566A (en) * | 2016-07-28 | 2016-11-30 | 陈林美 | A kind of high resiliency nitrile rubber |
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| CN106674645A (en) * | 2016-12-09 | 2017-05-17 | 晋源电气集团股份有限公司 | Cable with excellent mechanical properties |
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| CN106167566A (en) * | 2016-07-28 | 2016-11-30 | 陈林美 | A kind of high resiliency nitrile rubber |
| CN106674645A (en) * | 2016-12-09 | 2017-05-17 | 晋源电气集团股份有限公司 | Cable with excellent mechanical properties |
| CN106674647A (en) * | 2016-12-12 | 2017-05-17 | 天长市康宁塑胶科技有限公司 | Butyronitrile rubber material with high weatherability |
| CN106674669A (en) * | 2016-12-12 | 2017-05-17 | 天长市康宁塑胶科技有限公司 | High-elasticity rubber material |
| CN108003643A (en) * | 2017-11-28 | 2018-05-08 | 安徽华源电缆集团有限公司 | A kind of high-strength tensile layer cable material |
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Application publication date: 20160629 |