CN113943460A - Environment-friendly irradiation rubber sheath material for flexible cable and preparation method thereof - Google Patents
Environment-friendly irradiation rubber sheath material for flexible cable and preparation method thereof Download PDFInfo
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- CN113943460A CN113943460A CN202111084241.5A CN202111084241A CN113943460A CN 113943460 A CN113943460 A CN 113943460A CN 202111084241 A CN202111084241 A CN 202111084241A CN 113943460 A CN113943460 A CN 113943460A
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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
- 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
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or halogen-containing compounds
- C08L23/286—Chlorinated polyethene
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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
- 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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Abstract
The invention discloses an environment-friendly irradiation rubber sheath material for a flexible cable and a preparation method thereof, wherein the environment-friendly irradiation rubber sheath material for the flexible cable comprises the following raw material components: chlorinated polyethylene: 80-95 parts of a modifier; ethylene propylene diene monomer or ethylene vinyl acetate copolymer: 5-20 parts of a solvent; filling: 80-150 parts of a solvent; carbon black: 8-12 parts of a solvent; antioxidant: 0.2-0.5 part; lubricant: 1-5 parts; coupling agent: 1-3 parts; releasing agent: 1-3 parts; plasticizer: 20-35 parts of a solvent; a crosslinking agent: 2-4 parts; wherein, the chlorinated polyethylene is CM352, the ethylene-vinyl acetate copolymer is EVA5110J, and the ethylene-propylene-diene monomer is ethylene-propylene-diene monomer 2504. The soft environment-friendly irradiation rubber sheath material adopts chlorinated polyethylene as a framework material and is matched with a specific dosage of ethylene propylene diene monomer or ethylene vinyl acetate copolymer, so that the operation performance of the material is improved, the rubber material with excellent performances such as softness, environment friendliness, low temperature resistance, weather resistance and the like can be obtained, and the use requirement of a universal flexible cable is completely met.
Description
Technical Field
The invention relates to an environment-friendly irradiation rubber sheath material for a flexible cable and a preparation method thereof, belonging to the technical field of wire and cable materials and electrical equipment and cables.
Background
The general rubber sleeve cable for the flexible cable is mainly used for daily electric appliances, small-sized mobile equipment and the like, is required to be soft, light and good in bending performance, is closely connected with living and living environments and living problems of people due to the fact that the general rubber sleeve flexible cable is related to the aspects of life of people, and is suitable for transportation of energy-saving and environment-friendly cables along with the gradual deepening of environmental awareness of people. And the traditional flexible cable adopts steam continuous vulcanization, so that the energy consumption is high, the investment is large, and the product has poor flexibility and poor temperature resistance.
Disclosure of Invention
The invention provides an environment-friendly irradiation rubber sheath material for a flexible cable and a preparation method thereof, the environment-friendly irradiation rubber sheath material for the flexible cable has the performances of environment protection, softness, low temperature resistance, weather resistance and the like, and simultaneously meets the requirements of RoHS2.0 and PAHs; and the preparation is simple, the energy consumption is low, and the cost is low.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
an environment-friendly irradiation rubber sheath material for flexible cables comprises the following raw material components:
chlorinated polyethylene: 80-95 parts of a modifier;
ethylene propylene diene monomer or ethylene vinyl acetate copolymer: 5-20 parts of a solvent;
filling: 80-150 parts of a solvent;
carbon black: 8-12 parts of a solvent;
antioxidant: 0.2-0.5 part;
lubricant: 1-5 parts;
coupling agent: 1-3 parts;
releasing agent: 1-3 parts;
plasticizer: 20-35 parts of a solvent;
a crosslinking agent: 2-4 parts;
wherein, the chlorinated polyethylene is CM352, the ethylene-vinyl acetate copolymer is EVA5110J, and the ethylene-propylene-diene monomer is ethylene-propylene-diene monomer 2504; the parts are parts by mass.
According to the preparation method, chlorinated polyethylene is used as a framework material, and a specific amount of EVA (ethylene-vinyl acetate) or ethylene-propylene rubber is matched, so that the operation performance of the material is ensured, and the material with excellent performance can be obtained; by selecting the types and the dosage of the raw materials, the synergistic effect among the raw material components is exerted to the best, so that the sheath material with excellent environmental protection, softness, low temperature resistance and good weather resistance is obtained, and the use requirement of the universal rubber-sheathed flexible cable is met.
The applicant finds that the selection of different brands of chlorinated polyethylene, ethylene-vinyl acetate copolymer and ethylene-propylene-diene monomer is also important in the research and development stage, and when the chlorinated polyethylene is CM352, the ethylene-vinyl acetate copolymer is EVA5110J and the ethylene-propylene-diene monomer is ethylene-propylene-diene monomer 2504, the comprehensive performance of the product is obviously superior to that of the selection of other brands.
The filler is a mixture of talcum powder and light calcium carbonate in any proportion; the carbon black is semi-reinforcing carbon black or high wear-resistant carbon black;
in order to further promote the synergistic effect between the components while prolonging the service life of the material, the antioxidant is preferably 2,2, 4-trimethyl-1, 2-dihydroquinoline polymer.
In order to further ensure the uniformity of the material and improve the operability of the material, the lubricant is preferably a mixture of more than two of polyethylene wax, paraffin wax or stearic acid in any proportion.
Further preferably, the lubricant is polyethylene wax, paraffin wax and stearic acid in a mass ratio of 2: (0.8-1.2): (0.5-1.0).
In order to further improve the handleability of the material at the same time, the release agent is died.
In order to further promote the synergistic effect among the components and improve the comprehensive performance of the material, the coupling agent is preferably ethyl tri- (2-methoxyethoxy) silane.
In order to further improve the low-temperature resistance of the material, the mass ratio of the plasticizer to the dioctyl sebacate to the dioctyl terephthalate is (15-20): (8-15).
In order to improve the reaction efficiency and simultaneously improve the mechanical property of the obtained material, the mass ratio of the crosslinking agent triallyl isocyanurate to trimethylolpropane trimethacrylate is (2.5-3.5): (0-1).
The preparation method of the environment-friendly irradiation rubber sheath material for the flexible cable comprises the following steps:
A. feeding chlorinated polyethylene, ethylene-vinyl acetate copolymer or ethylene-propylene rubber, a filler, carbon black, an antioxidant, a lubricant, a coupling agent, a release agent, a plasticizer and a crosslinking agent into an internal mixer for mixing, wherein the kneading time is 7-12 min, and the kneading temperature is less than or equal to 140 ℃;
B. b, conveying the mixture obtained in the step A into a gear pump for glue filtering;
C. b, feeding the mixed material obtained in the step B into a single-screw extruder to be extruded, granulated and cooled to obtain a finished product particle material;
D. and C, rolling the mixture obtained in the step C by three rollers to obtain a finished product rubber sheet material.
In the step B, the temperature of the gear pump is 85 +/-5 ℃ in the first area, 90 +/-5 ℃ in the second area and 100 +/-5 ℃ of a machine head; in the step C, the temperature of the single-screw extruder is 95 +/-5 ℃ in the first zone, 100 +/-5 ℃ in the second zone, 105 +/-5 ℃ in the third zone and 100 +/-5 ℃ in the head.
The prior art is referred to in the art for techniques not mentioned in the present invention.
The environment-friendly irradiation rubber sheath material for the flexible cable adopts chlorinated polyethylene as a framework material and is matched with a specific dosage of ethylene propylene diene monomer or ethylene vinyl acetate copolymer, so that the operation performance of the material is improved, the rubber material with excellent performances such as softness, environment friendliness, low temperature resistance, weather resistance and the like can be obtained, and the use requirement of the universal flexible cable is completely met; the preparation method is simple and controllable, and can be extruded by an extruding machine or a traditional rubber cold feed extruding machine.
Detailed Description
In order to better understand the present invention, the following examples are further provided to illustrate the present invention, but the present invention is not limited to the following examples.
Example 1
An environment-friendly irradiation rubber sheath material for flexible cables comprises the following raw material components in parts by weight:
85 parts of chlorinated polyethylene CM352 (Kelly);
15 parts of ethylene propylene diene monomer 2504 (exxonmobil);
100 parts of 2500-mesh superfine talcum powder;
8 parts of high wear-resistant carbon black N330 (cabot);
0.2 part of 2,2, 4-trimethyl-1, 2-dihydroquinoline polymer;
3 parts of a lubricant, specifically comprising: polyethylene wax AC-629A (Honeywell) 2 parts and No. 58 paraffin (medium petrochemical) 1 part;
1 part of Modele 935P (Ongji);
30 parts of a plasticizer, specifically comprising: 18 parts of dioctyl terephthalate and 8 parts of dioctyl sebacate;
coupling agent ethyl tri- (2-methoxy ethoxy) silane 2 parts;
3.5 parts of crosslinking assistant triallyl isocyanurate.
Example 2
85 parts of chlorinated polyethylene CM352 (Kelly);
15 parts of EVA5110J (Yangzi Basff);
120 parts of 2500-mesh superfine talcum powder;
10 parts of N774 semi-reinforcing carbon black;
0.2 part of 2,2, 4-trimethyl-1, 2-dihydroquinoline polymer;
3 parts of a lubricant, specifically comprising: polyethylene wax AC-629A (Honeywell) 2 parts and stearic acid 0.5 part;
1 part of Modele 935P (Ongji);
30 parts of a plasticizer, specifically comprising: 15 parts of dioctyl terephthalate and 15 parts of dioctyl sebacate;
coupling agent ethyl tri- (2-methoxy ethoxy) silane 2 parts;
and 3 parts of crosslinking assistant triallyl isocyanurate.
Example 3
90 parts of chlorinated polyethylene CM352 (Kelly);
10 parts of ethylene propylene diene monomer 2504 (exxonmobil);
130 parts of a filler, which specifically comprises: 65 parts of 2500-mesh superfine talcum powder and 65 parts of light calcium carbonate;
8 parts of high wear-resistant carbon black N330 (cabot);
0.15 part of 2,2, 4-trimethyl-1, 2-dihydroquinoline polymer;
3 parts of a lubricant, specifically comprising: 2 parts of polyethylene wax AC-629A (Honeywell), 1 part of 58# paraffin (medium petrochemical) and 1 part of stearic acid;
2 portions of Modele 935P (Ongji);
30 parts of a plasticizer, specifically comprising: 20 parts of dioctyl terephthalate and 10 parts of dioctyl sebacate;
1.8 parts of coupling agent ethyl tri- (2-methoxyethoxy) silane;
4 parts of a cross-linking agent, which specifically comprises: 2.5 parts of triallyl isocyanurate and 1 part of trihydroxypropane trimethacrylate.
Comparative example 1
An environment-friendly irradiation rubber sheath material for flexible cables comprises the following raw material components in parts by weight:
80 parts of chlorinated polyethylene CM352 (Kelly);
10 parts of EVA5110J (Yangzi Basff);
10 parts of ethylene propylene diene monomer 2504 (exxonmobil);
90 parts of light calcium carbonate;
8 parts of N774 semi-reinforcing carbon black;
0.25 part of 2,2, 4-trimethyl-1, 2-dihydroquinoline polymer;
3 parts of a lubricant, specifically comprising: 2 parts of polyethylene wax AC-629A (Honeywell), 1 part of 58# paraffin (medium petrochemical) and 0.5 part of stearic acid;
1.2 parts of mould;
30 parts of a plasticizer, specifically comprising: 20 parts of dioctyl terephthalate and 5 parts of dioctyl sebacate;
coupling agent ethyl tri- (2-methoxy ethoxy) silane 2.2 shares;
and 3 parts of crosslinking assistant triallyl isocyanurate.
In the above examples, a method for preparing an environment-friendly irradiation rubber sheath material for flexible cables comprises: the method comprises the following steps:
A. feeding chlorinated polyethylene, ethylene-vinyl acetate copolymer or ethylene-propylene rubber, filler, carbon black, antioxidant, lubricant, coupling agent, release agent, plasticizer and crosslinking agent into an internal mixer for mixing, wherein the kneading time is 10min, and the kneading temperature is less than or equal to 140 ℃;
B. c, conveying the mixture obtained in the step A into a gear pump for filtering the rubber, wherein the temperature of the gear pump is 85 +/-5 ℃ in a first area, 90 +/-5 ℃ in a second area and 100 +/-5 ℃ of a machine head;
C. b, conveying the mixed material obtained in the step B into a single-screw extruder to perform extrusion granulation and cooling to obtain finished product particle materials, wherein the temperature of the single-screw extruder is 95 +/-5 ℃ in a first area, 100 +/-5 ℃ in a second area, 105 +/-5 ℃ in a third area, and 100 +/-5 ℃ of a machine head;
D. c, rolling the mixture obtained in the step C by three rollers to obtain a finished product rubber sheet material;
table 1 cables 60245IEC53(YZ)300/500V 2 x 2.5mm produced from the products obtained in the examples2Energy meter with sheath material
Claims (9)
1. The environment-friendly irradiation rubber sheath material for the flexible cable is characterized in that: the raw material components comprise:
chlorinated polyethylene: 80-95 parts of a modifier;
ethylene propylene diene monomer or ethylene vinyl acetate copolymer: 5-20 parts of a solvent;
filling: 80-150 parts of a solvent;
carbon black: 8-12 parts of a solvent;
antioxidant: 0.2-0.5 part;
lubricant: 1-5 parts;
coupling agent: 1-3 parts;
releasing agent: 1-3 parts;
plasticizer: 20-35 parts of a solvent;
a crosslinking agent: 2-4 parts;
wherein, the chlorinated polyethylene is CM352, and the ethylene-vinyl acetate copolymer is EVA 5110J; the ethylene propylene diene monomer is ethylene propylene diene monomer 2504; the parts are parts by mass.
2. The environment-friendly irradiation rubber sheath material for the flexible cable according to claim 1, characterized in that: the filler is a mixture of talcum powder and light calcium carbonate in any proportion; the carbon black is semi-reinforcing carbon black or high wear-resistant carbon black; the antioxidant is 2,2, 4-trimethyl-1, 2-dihydroquinoline polymer.
3. The environment-friendly irradiation rubber sheath material for the flexible cable according to claim 1 or 2, characterized in that: the lubricant is a mixture of more than two of polyethylene wax, paraffin or stearic acid in any proportion.
4. The environment-friendly irradiation rubber sheath material for the flexible cable according to claim 3, characterized in that: the lubricant is polyethylene wax, paraffin and stearic acid in a mass ratio of 2: (0.8-1.2): (0.5-1.0).
5. The environment-friendly irradiation rubber sheath material for the flexible cable according to claim 1 or 2, characterized in that: the release agent is Dode Li; the coupling agent is ethyl tri- (2-methoxy ethoxy) silane.
6. The environment-friendly irradiation rubber sheath material for the flexible cable according to claim 1 or 2, characterized in that: the plasticizer is prepared from dioctyl sebacate and dioctyl terephthalate in a mass ratio of (15-20): (8-15).
7. The environment-friendly irradiation rubber sheath material for the flexible cable according to claim 1 or 2, characterized in that: the cross-linking agent is triallyl isocyanurate and trimethylolpropane trimethacrylate in a mass ratio of (2.5-3.5): (0-1).
8. The preparation method of the environment-friendly irradiation rubber sheath material for the flexible cable as claimed in any one of claims 1 to 7, characterized in that: the method comprises the following steps:
A. feeding chlorinated polyethylene, ethylene-vinyl acetate copolymer or ethylene-propylene rubber, a filler, carbon black, an antioxidant, a lubricant, a coupling agent, a release agent, a plasticizer and a crosslinking agent into an internal mixer for mixing, wherein the kneading time is 7-12 min, and the kneading temperature is less than or equal to 140 ℃;
B. b, conveying the mixture obtained in the step A into a gear pump for glue filtering;
C. b, feeding the mixed material obtained in the step B into a single-screw extruder to be extruded, granulated and cooled to obtain a finished product particle material;
D. and C, rolling the mixture obtained in the step C by three rollers to obtain a finished product rubber sheet material.
9. The method of claim 8, wherein: in the step B, the temperature of the gear pump is 85 +/-5 ℃ in the first area, 90 +/-5 ℃ in the second area and 100 +/-5 ℃ of a machine head; in the step C, the temperature of the single-screw extruder is 75 +/-5 ℃ in the first zone, 85 +/-5 ℃ in the second zone, 95 +/-5 ℃ in the third zone and 100 +/-5 ℃ at the head.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114702762A (en) * | 2022-04-24 | 2022-07-05 | 镇江中佳电器有限公司 | Irradiation low-smoke flame-retardant rubber cable material and preparation process thereof |
| CN116589796A (en) * | 2023-04-25 | 2023-08-15 | 广东祥利特种材料科技有限公司 | American standard HPN irradiation rubber material and preparation process thereof |
| CN118116650A (en) * | 2024-03-25 | 2024-05-31 | 湖南华菱线缆股份有限公司 | A 10kV high-performance cable for coal mining machines and its manufacturing process |
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| CN103242592A (en) * | 2013-05-16 | 2013-08-14 | 桂林国际电线电缆集团有限责任公司 | Insulating rubber for environment-friendly cable |
| CN103571072A (en) * | 2012-08-07 | 2014-02-12 | 广州番禺电缆集团有限公司 | Temperature-resistant weather-proof cable sheath rubber and production technology thereof |
| CN111363260A (en) * | 2020-03-24 | 2020-07-03 | 惠州市美林电线电缆有限公司 | Composition for cable sheath, cable and preparation method thereof |
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2021
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103571072A (en) * | 2012-08-07 | 2014-02-12 | 广州番禺电缆集团有限公司 | Temperature-resistant weather-proof cable sheath rubber and production technology thereof |
| CN103242592A (en) * | 2013-05-16 | 2013-08-14 | 桂林国际电线电缆集团有限责任公司 | Insulating rubber for environment-friendly cable |
| CN111363260A (en) * | 2020-03-24 | 2020-07-03 | 惠州市美林电线电缆有限公司 | Composition for cable sheath, cable and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114702762A (en) * | 2022-04-24 | 2022-07-05 | 镇江中佳电器有限公司 | Irradiation low-smoke flame-retardant rubber cable material and preparation process thereof |
| CN116589796A (en) * | 2023-04-25 | 2023-08-15 | 广东祥利特种材料科技有限公司 | American standard HPN irradiation rubber material and preparation process thereof |
| CN118116650A (en) * | 2024-03-25 | 2024-05-31 | 湖南华菱线缆股份有限公司 | A 10kV high-performance cable for coal mining machines and its manufacturing process |
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