CN112175303A - Weather-resistant rubber cable sheath material and preparation method thereof - Google Patents
Weather-resistant rubber cable sheath material and preparation method thereof Download PDFInfo
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- CN112175303A CN112175303A CN202011054738.8A CN202011054738A CN112175303A CN 112175303 A CN112175303 A CN 112175303A CN 202011054738 A CN202011054738 A CN 202011054738A CN 112175303 A CN112175303 A CN 112175303A
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- rubber cable
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- 239000000463 material Substances 0.000 title claims abstract description 64
- 229920001971 elastomer Polymers 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title abstract description 9
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 21
- 239000003822 epoxy resin Substances 0.000 claims abstract description 20
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 18
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims abstract description 10
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 7
- 239000004841 bisphenol A epoxy resin Substances 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 7
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 7
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000012188 paraffin wax Substances 0.000 claims abstract description 7
- 239000008117 stearic acid Substances 0.000 claims abstract description 7
- 239000011787 zinc oxide Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 11
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 8
- 238000009413 insulation Methods 0.000 description 5
- 229920002943 EPDM rubber Polymers 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000012778 molding material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001089723 Metaphycus omega Species 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C08L23/02—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
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- 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
- H01B3/28—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
-
- 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
- H01B3/40—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 epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Insulated Conductors (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a weather-resistant rubber cable sheath material and a preparation method thereof, wherein the sheath material is prepared from the following raw materials in parts by weight: 4045 parts of ethylene-propylene rubber 30-50 parts, epoxy resin 30-50 parts, semi-refined paraffin 1-3 parts, graphene oxide 10-20 parts, zinc oxide 1-3 parts, PL500 cross-linking agent 1-3 parts, BIPB vulcanizing agent 1-3 parts, stearic acid 1-3 parts, and triphenylphosphine 1-5 parts. Wherein the epoxy resin is bisphenol A epoxy resin; the weight ratio of the epoxy resin to the 4045 ethylene-propylene rubber is 1: 1.2. According to the invention, the graphene and the epoxy resin are simultaneously introduced into the rubber cable material, and the epoxy resin and the graphene oxide are firstly combined through a chemical bond and then mixed with the rubber cable material, so that the mixing uniformity of all raw materials of the sheath material is fully ensured, and the mechanical property and the weather resistance of the rubber cable sheath material are effectively improved.
Description
Technical Field
The invention relates to the technical field of materials, in particular to a weather-resistant rubber cable sheath material and a preparation method thereof.
Background
The sheath material is a main application field of insulating materials, the market demand on cable materials is increasingly large along with the continuous development of the communication field, and the performance requirements on the cable materials are also increasingly high, such as halogen-free cable materials, high-voltage insulating cable materials, internal and external shielding cable materials and the like. The ethylene propylene diene monomer has the characteristics of excellent electrical property, high heat resistance and aging resistance, good low-temperature flexibility and the like, and is widely used as a wire and cable insulation or sheath material at present. However, the cable made of the ethylene propylene diene monomer rubber has poor weather resistance, and cannot meet the use requirements in occasions with higher requirements on the cable such as rail transit, nuclear power, mine and the like, so that the improvement of the weather resistance of the ethylene propylene diene monomer rubber cable is very important for the popularization of the application of the ethylene propylene diene monomer rubber cable.
Disclosure of Invention
The invention aims to solve the problem of poor weather resistance of the existing rubber cable sheath material, and the weather resistance of the rubber cable sheath material is improved by introducing epoxy resin and graphene, so that the application range of the rubber cable is widened, and the service life of the rubber cable is prolonged.
The invention provides a weather-resistant rubber cable sheath material which is characterized by being prepared from the following raw materials in parts by weight: 4045 parts of ethylene-propylene rubber 30-50 parts, epoxy resin 30-50 parts, semi-refined paraffin 1-3 parts, graphene oxide 10-20 parts, zinc oxide 1-3 parts, PL500 cross-linking agent 1-3 parts, BIPB vulcanizing agent 1-3 parts, stearic acid 1-3 parts, and triphenylphosphine 1-5 parts.
Furthermore, in order to improve the mechanical property and the weather resistance of the rubber cable sheath material, the epoxy resin is bisphenol A type epoxy resin.
Further, in order to balance the comprehensive performance of the rubber cable sheath material, the weight ratio of the epoxy resin to the 4045 ethylene propylene rubber is 1: 1.2.
The preparation method of the weather-resistant rubber cable sheath material is characterized by comprising the following steps: (1) mixing 30-50 parts of epoxy resin, 10-20 parts of graphene oxide and 1-5 parts of triphenylphosphine at the temperature of more than 70 ℃ and continuously stirring for 12 hours; (2) adding the mixture obtained in the step (1) and the rest other raw materials into a mixer to be uniformly mixed; (3) directly feeding the uniformly stirred raw materials into a double-screw material making machine for extrusion material making, and uniformly dividing the heating temperature of each section of the double-screw material making machine from 120 plus 160 ℃ according to the number of the heating sections; (3) and drying the finished product of the extruded material to obtain the weather-resistant rubber cable sheath material.
The invention has the beneficial effects that:
according to the invention, the graphene and the epoxy resin are simultaneously introduced into the rubber cable material, and the epoxy resin and the graphene oxide are firstly combined through a chemical bond and then mixed with the rubber cable material, so that the mixing uniformity of all raw materials of the sheath material is fully ensured, and the mechanical property and the weather resistance of the rubber cable sheath material are effectively improved.
Detailed Description
The present invention is described in further detail below with reference to specific examples, which are not to be construed as limiting the scope of the invention as claimed.
Example one
A weather-resistant rubber cable sheath material is prepared from the following raw materials in parts by weight: 4045 parts of ethylene-propylene rubber 42, 35 parts of bisphenol A epoxy resin, 3 parts of semi-refined paraffin, 15 parts of graphene oxide, 3 parts of zinc oxide, 3 parts of PL500 cross-linking agent, 2 parts of BIPB vulcanizing agent, 3 parts of stearic acid and 3 parts of triphenylphosphine. The preparation method comprises the following steps: (1) stirring and mixing 35 parts of bisphenol A type epoxy resin, 15 parts of graphene oxide and 3 parts of triphenylphosphine for 12 hours at the temperature of 70 ℃; (2) adding the mixture obtained in the step (1) and the rest other raw materials into a mixer for uniformly mixing; (3) directly feeding the uniformly stirred raw materials into a double-screw material making machine for extrusion material making, and uniformly dividing the heating temperature of each section of the double-screw material making machine from 120 plus 160 ℃ according to the number of the heating sections; (3) drying and extruding the finished product of the molding material to obtain the weather-resistant rubber cable sheath material 1.
Example two
A weather-resistant rubber cable sheath material is prepared from the following raw materials in parts by weight: 4045 parts of ethylene-propylene rubber 42, 35 parts of bisphenol A epoxy resin, 3 parts of semi-refined paraffin, 20 parts of graphene oxide, 3 parts of zinc oxide, 3 parts of PL500 cross-linking agent, 2 parts of BIPB vulcanizing agent, 3 parts of stearic acid and 5 parts of triphenylphosphine. The preparation method comprises the following steps: (1) stirring and mixing 35 parts of bisphenol A type epoxy resin, 20 parts of graphene oxide and 5 parts of triphenylphosphine for 12 hours at the temperature of 70 ℃; (2) adding the mixture obtained in the step (1) and the rest other raw materials into a mixer for uniformly mixing; (3) directly feeding the uniformly stirred raw materials into a double-screw material making machine for extrusion material making, and uniformly dividing the heating temperature of each section of the double-screw material making machine from 120 plus 160 ℃ according to the number of the heating sections; (3) and drying the finished product of the extruded material to obtain the weather-resistant rubber cable sheath material 2.
EXAMPLE III
A weather-resistant rubber cable sheath material is prepared from the following raw materials in parts by weight: 4045 parts of ethylene propylene rubber, 40 parts of bisphenol A epoxy resin, 3 parts of semi-refined paraffin, 20 parts of graphene oxide, 3 parts of zinc oxide, 3 parts of PL500 cross-linking agent, 2 parts of BIPB vulcanizing agent, 3 parts of stearic acid and 5 parts of triphenylphosphine. The preparation method comprises the following steps: (1) stirring and mixing 40 parts of bisphenol A type epoxy resin, 20 parts of graphene oxide and 5 parts of triphenylphosphine for 12 hours at the temperature of 70 ℃; (2) adding the mixture obtained in the step (1) and the rest other raw materials into a mixer for uniformly mixing; (3) directly feeding the uniformly stirred raw materials into a double-screw material making machine for extrusion material making, and uniformly dividing the heating temperature of each section of the double-screw material making machine from 120 plus 160 ℃ according to the number of the heating sections; (3) drying and extruding the finished product of the molding material to obtain the weather-resistant rubber cable sheath material 3.
Example four
A weather-resistant rubber cable sheath material is prepared from the following raw materials in parts by weight: 4045 parts of ethylene-propylene rubber, 42 parts of bisphenol A epoxy resin, 3 parts of semi-refined paraffin, 20 parts of graphene oxide, 3 parts of zinc oxide, 3 parts of PL500 cross-linking agent, 2 parts of BIPB vulcanizing agent, 3 parts of stearic acid and 5 parts of triphenylphosphine. The preparation method comprises the following steps: (1) 42 parts of bisphenol A epoxy resin, 20 parts of graphene oxide and 5 parts of triphenylphosphine are stirred and mixed for 12 hours at the temperature of 70 ℃; (2) adding the mixture obtained in the step (1) and the rest other raw materials into a mixer for uniformly mixing; (3) directly feeding the uniformly stirred raw materials into a double-screw material making machine for extrusion material making, and uniformly dividing the heating temperature of each section of the double-screw material making machine from 120 plus 160 ℃ according to the number of the heating sections; (3) drying and extruding the finished product of the molding material to obtain the weather-resistant rubber cable sheath material 4.
Performance testing
Aging resistance: the measurement is carried out according to the method specified in GB/T16422.2-2014, the radiation light source filtering mode adopts the mode A, after the total irradiation energy is not less than 7.0X 103MJ/m2 light aging test, the appearance is observed, and the bending strength change is measured.
Ultraviolet resistance: after 720h xenon arc or carbon arc irradiation, the tensile strength and the elongation at break retention rate after irradiation are tested.
Moisture and heat resistance: the test was carried out according to the method specified in GB/T2573, the test temperature (85 + -2) DEG C and the relative humidity (85 + -2)%, and the test was carried out for 24 hours as a test period, and after 21 consecutive periods, the appearance was observed and the change in the bending strength was measured.
And (3) low-temperature test: the test was carried out according to the low-temperature bending test at-35 ℃ specified in UL2556, and it was observed whether the specimen was cracked.
And (3) testing the insulation resistance: the insulation (insulation resistance: M.OMEGA.KM) of the cable was measured by an insulation resistance tester.
The test results of the above-described cable sheath materials 1 to 4 are shown in table 1 below.
TABLE 1
Based on the experimental data, the scheme of the embodiment of the invention can greatly improve the mechanical property and weather resistance of the rubber cable sheath material without influencing other service properties of the electric wire and cable.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The weather-resistant rubber cable sheath material is characterized by being prepared from the following raw materials in parts by weight: 4045 parts of ethylene-propylene rubber 30-50 parts, epoxy resin 30-50 parts, semi-refined paraffin 1-3 parts, graphene oxide 10-20 parts, zinc oxide 1-3 parts, PL500 cross-linking agent 1-3 parts, BIPB vulcanizing agent 1-3 parts, stearic acid 1-3 parts, and triphenylphosphine 1-5 parts.
2. The weather-resistant rubber cable sheath material as claimed in claim 1, wherein the epoxy resin is bisphenol A epoxy resin.
3. The weather-resistant rubber cable sheath material as claimed in claim 2, wherein the weight ratio of the epoxy resin to the 4045 ethylene propylene rubber is 1: 1.2.
4. A method for preparing a weather-resistant rubber cable sheath material as claimed in any one of claims 1 to 3, wherein the method comprises the steps of: (1) mixing 30-50 parts of epoxy resin, 10-20 parts of graphene oxide and 1-5 parts of triphenylphosphine at the temperature of more than 70 ℃ and continuously stirring for 12 hours; (2) adding the mixture obtained in the step (1) and the rest other raw materials into a mixer to be uniformly mixed; (3) directly feeding the uniformly stirred raw materials into a double-screw material making machine for extrusion material making, and uniformly dividing the heating temperature of each section of the double-screw material making machine from 120 plus 160 ℃ according to the number of the heating sections; (3) and drying the finished product of the extruded material to obtain the weather-resistant rubber cable sheath material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011054738.8A CN112175303A (en) | 2020-09-29 | 2020-09-29 | Weather-resistant rubber cable sheath material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011054738.8A CN112175303A (en) | 2020-09-29 | 2020-09-29 | Weather-resistant rubber cable sheath material and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112175303A true CN112175303A (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011054738.8A Pending CN112175303A (en) | 2020-09-29 | 2020-09-29 | Weather-resistant rubber cable sheath material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117887208A (en) * | 2023-11-30 | 2024-04-16 | 无锡市东田电缆有限公司 | High-temperature-resistant cable material for new energy automobile charging wire and preparation method and application thereof |
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| CN108976618A (en) * | 2018-08-08 | 2018-12-11 | 南通迅达橡塑制造有限公司 | A kind of graphene modified EPT rubber composite material and preparation method thereof |
| CN110791027A (en) * | 2019-11-19 | 2020-02-14 | 安徽中青欣意铝合金电缆有限公司 | High-strength corrosion-resistant flame-retardant cable material |
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2020
- 2020-09-29 CN CN202011054738.8A patent/CN112175303A/en active Pending
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| CN108192224A (en) * | 2017-11-28 | 2018-06-22 | 安徽国华电缆集团有限公司 | A kind of fire-retardant anti-folding cable outer sheath material |
| CN108976618A (en) * | 2018-08-08 | 2018-12-11 | 南通迅达橡塑制造有限公司 | A kind of graphene modified EPT rubber composite material and preparation method thereof |
| CN110791027A (en) * | 2019-11-19 | 2020-02-14 | 安徽中青欣意铝合金电缆有限公司 | High-strength corrosion-resistant flame-retardant cable material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117887208A (en) * | 2023-11-30 | 2024-04-16 | 无锡市东田电缆有限公司 | High-temperature-resistant cable material for new energy automobile charging wire and preparation method and application thereof |
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