CN117727496B - Silicon rubber insulation special power cable - Google Patents
Silicon rubber insulation special power cable Download PDFInfo
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- CN117727496B CN117727496B CN202311772688.0A CN202311772688A CN117727496B CN 117727496 B CN117727496 B CN 117727496B CN 202311772688 A CN202311772688 A CN 202311772688A CN 117727496 B CN117727496 B CN 117727496B
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- 229920002379 silicone rubber Polymers 0.000 title claims abstract description 73
- 238000009413 insulation Methods 0.000 title claims abstract description 12
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 47
- 239000002131 composite material Substances 0.000 claims abstract description 30
- 239000004020 conductor Substances 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims abstract description 6
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000004945 silicone rubber Substances 0.000 claims description 40
- 239000003795 chemical substances by application Substances 0.000 claims description 26
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 22
- ZADXFVHUPXKZBJ-UHFFFAOYSA-N 2-[(4-ethenylphenyl)methoxymethyl]oxirane Chemical compound C1=CC(C=C)=CC=C1COCC1OC1 ZADXFVHUPXKZBJ-UHFFFAOYSA-N 0.000 claims description 20
- 239000006229 carbon black Substances 0.000 claims description 20
- 230000003712 anti-aging effect Effects 0.000 claims description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- -1 methyl vinyl phenyl Chemical group 0.000 claims description 14
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 14
- 235000021355 Stearic acid Nutrition 0.000 claims description 12
- DEQZTKGFXNUBJL-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)cyclohexanamine Chemical compound C1CCCCC1NSC1=NC2=CC=CC=C2S1 DEQZTKGFXNUBJL-UHFFFAOYSA-N 0.000 claims description 12
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 12
- 239000003921 oil Substances 0.000 claims description 12
- 239000008117 stearic acid Substances 0.000 claims description 12
- MSHRGLIWCXUXDG-UHFFFAOYSA-N 2-phenylpentane-1,2-diamine Chemical compound CCCC(N)(CN)C1=CC=CC=C1 MSHRGLIWCXUXDG-UHFFFAOYSA-N 0.000 claims description 11
- 239000011787 zinc oxide Substances 0.000 claims description 11
- HIHIPCDUFKZOSL-UHFFFAOYSA-N ethenyl(methyl)silicon Chemical compound C[Si]C=C HIHIPCDUFKZOSL-UHFFFAOYSA-N 0.000 claims description 5
- 239000012190 activator Substances 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 239000011297 pine tar Substances 0.000 claims description 4
- 229940068124 pine tar Drugs 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 2
- 125000002081 peroxide group Chemical group 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 43
- 239000011241 protective layer Substances 0.000 abstract description 5
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 11
- 238000007599 discharging Methods 0.000 description 11
- 238000004073 vulcanization Methods 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 10
- 238000012360 testing method Methods 0.000 description 6
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 description 4
- 102100029469 WD repeat and HMG-box DNA-binding protein 1 Human genes 0.000 description 2
- 101710097421 WD repeat and HMG-box DNA-binding protein 1 Proteins 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 239000004636 vulcanized rubber Substances 0.000 description 2
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002978 peroxides Chemical group 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the technical field of power cables, and provides a silicon rubber insulation special power cable which sequentially comprises a conductor, a conductor shielding layer, an insulating layer, an armor layer and a sheath layer from inside to outside; the conductor is a copper conductor; the conductor shielding layer is made of graphene shielding materials; the armor layer is an aluminum tape armor layer; the insulating layer and the sheath layer are both prepared from silicon rubber and ethylene propylene diene monomer rubber composite materials. By the technical scheme, the problem of poor comprehensive performance of the power cable protective layer material in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of power cables, in particular to a silicon rubber insulation special power cable.
Background
The power cable is a circuit for transmitting and distributing electric energy and is commonly used for underwater power supply in cities, industrial and mining enterprises and across the river and sea. The power cable is a stranded conductor covered with an insulating layer, and is further covered with a metal sheath and grounded, wherein the insulating layer plays roles of interphase insulation and ground insulation. In order to protect insulation and prevent high electric fields from generating radiation to interfere with communication, a metal sheath is also necessary, and armor and a sheath are also necessary to prevent external force damage.
The basic structure of the power cable comprises a wire core, an insulating layer, a shielding layer and a protective layer. Among them, armor and sheath as a protective layer are used to protect cables from invasion of external impurities and moisture and to prevent damage by external force, so that materials for protective layer are required to have good combination properties such as mechanical strength, high and low temperature resistance, elasticity, etc.
Disclosure of Invention
The invention provides a silicon rubber insulation special power cable, which solves the problem of poor comprehensive performance of a power cable protective layer material in the related technology.
The technical scheme of the invention is as follows:
the silicon rubber insulated special power cable sequentially comprises a conductor, a conductor shielding layer, an insulating layer, an armor layer and a sheath layer from inside to outside;
The conductor is a copper conductor;
the conductor shielding layer is made of graphene shielding materials;
The armor layer is an aluminum tape armor layer;
the insulating layer and the sheath layer are both prepared from silicon rubber and ethylene propylene diene monomer rubber composite materials.
As a further technical scheme, the raw materials of the silicon rubber and ethylene propylene diene monomer rubber composite material comprise the following components in parts by mass: 80 parts of silicon rubber, 20 parts of ethylene propylene diene monomer, 20-40 parts of filler, 7-13 parts of softener, 5-10 parts of activator, 2-4 parts of EPDM-g-MAH, 5-10 parts of 4-vinylbenzyl glycidyl ether, 1-4 parts of anti-aging agent, 3-5 parts of vulcanizing agent and 1-3 parts of accelerator.
The inventor adds 4-vinylbenzyl glycidyl ether to improve the compatibility between silicon rubber and ethylene propylene diene monomer rubber, and finds that the 4-vinylbenzyl glycidyl ether and EPDM-g-MAH have synergistic effect, and can greatly improve the strength and tear resistance of the material.
As a further technical scheme, the mass ratio of the silicon rubber to the 4-vinylbenzyl glycidyl ether is 10:1.
As a further technical scheme, the novel heat-resistant polyurethane foam plastic further comprises 1-5 parts of 2-phenyl-1, 2-pentane diamine.
The invention adds 2-phenyl-1, 2-pentane diamine, further improves the cross-linking density and compatibility of the whole material, thereby further improving the strength and tear resistance of the material.
As a further technical scheme, the mass ratio of the 4-vinylbenzyl glycidyl ether to the 2-phenyl-1, 2-pentane diamine is 8:3.
As a further technical scheme, the silicone rubber comprises one or two of methyl vinyl phenyl silicone rubber and methyl vinyl silicone rubber.
As a further technical scheme, the filler comprises one or two of white carbon black and carbon black.
As a further technical scheme, the softener comprises one or two of four-wire oil and pine tar.
As a further technical scheme, the activator comprises one or more of zinc oxide, stearic acid and stearate.
As a further technical scheme, the anti-aging agent comprises one or more of an anti-aging agent MB, an anti-aging agent RD, an anti-aging agent 4010NA and an anti-aging agent BLE;
the vulcanizing agent is peroxide; the accelerator comprises one or two of accelerator CZ and accelerator H.
The working principle and the beneficial effects of the invention are as follows:
The invention provides a silicon rubber insulation special power cable, which sequentially comprises a conductor, a conductor shielding layer, an insulating layer, an armor layer and a sheath layer from inside to outside; the conductor is a copper conductor; the conductor shielding layer is made of graphene shielding material; the armor layer is an aluminum tape armor layer; the insulating layer and the sheath layer are both prepared from silicon rubber and ethylene propylene diene monomer rubber composite materials. The invention adopts the silicon rubber and the ethylene propylene diene monomer rubber composite material as the insulating layer and the sheath layer, wherein the silicon rubber provides good high and low temperature resistance, ozone aging resistance and light aging resistance for the power cable, and simultaneously provides good electrical insulation performance, and the ethylene propylene diene monomer rubber provides good heat resistance, tear resistance, chemical corrosion resistance, electrical insulation performance and elasticity, so that the special silicon rubber insulation power cable with good comprehensive performance is provided.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the structure of the invention, wherein 1 is a conductor, 2 is a conductor shielding layer, 3 is an insulating layer, 4 is an armor layer, and 5 is a sheath layer;
FIG. 2 is a drawing showing the tensile strength test of the composite material of silicone rubber and ethylene propylene diene monomer rubber obtained in example 7 of the present invention;
FIG. 3 is a drawing showing the tensile strength test of the composite material of silicone rubber and ethylene propylene diene monomer rubber obtained in example 1 of the present invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The methyl vinyl phenyl silicone rubber in the following examples and comparative examples is methyl vinyl phenyl silicone rubber PVMQ; the methyl vinyl silicone rubber is methyl vinyl silicone rubber 110-3; ethylene propylene diene monomer is EPDM 3720P; the white carbon black is gas phase white carbon black M5; the carbon black is carbon black N660.
The special silicon rubber insulated power cable sequentially comprises a copper conductor, a graphene shielding material, an insulating layer, an aluminum tape armor layer and a sheath layer, wherein the copper conductor and the graphene shielding material are used as conductor shielding layers, the insulating layer is prepared from silicon rubber and ethylene propylene diene monomer rubber composite materials, and the sheath layer is prepared from the silicon rubber and the ethylene propylene diene monomer rubber composite materials from inside to outside;
the preparation method of the silicon rubber and ethylene propylene diene monomer composite material comprises the following steps:
Example 1
Adding 20 parts of ethylene propylene diene monomer, 5 parts of zinc oxide and 3 parts of stearic acid into an internal mixer, mixing for 5min at 110 ℃, adding 80 parts of methyl vinyl phenyl silicone rubber, 3 parts of EPDM-g-MAH, 5 parts of 4-vinyl benzyl glycidyl ether, 30 parts of white carbon black, 10 parts of reduced-four-wire oil and 2.5 parts of an anti-aging agent MB, continuously mixing for 10min, finally adding 4 parts of dicumyl peroxide and 2 parts of an accelerator CZ, mixing for 5min, discharging, standing for 24h, and performing hot press vulcanization at 180 ℃ to obtain the silicone rubber and ethylene propylene diene monomer composite material.
Example 2
Adding 20 parts of ethylene propylene diene monomer, 5 parts of zinc oxide and 3 parts of stearic acid into an internal mixer, mixing for 5min at 110 ℃, adding 80 parts of methyl vinyl phenyl silicone rubber, 3 parts of EPDM-g-MAH, 8 parts of 4-vinyl benzyl glycidyl ether, 30 parts of white carbon black, 10 parts of reduced-four-wire oil and 2.5 parts of an anti-aging agent MB, continuously mixing for 10min, finally adding 4 parts of dicumyl peroxide and 2 parts of an accelerator CZ, mixing for 5min, discharging, standing for 24h, and performing hot press vulcanization at 180 ℃ to obtain the silicone rubber and ethylene propylene diene monomer composite material.
Example 3
Adding 20 parts of ethylene propylene diene monomer, 5 parts of zinc oxide and 3 parts of stearic acid into an internal mixer, mixing for 5min at 110 ℃, adding 80 parts of methyl vinyl phenyl silicone rubber, 3 parts of EPDM-g-MAH, 10 parts of 4-vinyl benzyl glycidyl ether, 30 parts of white carbon black, 10 parts of reduced-four-wire oil and 2.5 parts of an anti-aging agent MB, continuously mixing for 10min, finally adding 4 parts of dicumyl peroxide and 2 parts of an accelerator CZ, mixing for 5min, discharging, standing for 24h, and performing hot press vulcanization at 180 ℃ to obtain the silicone rubber and ethylene propylene diene monomer composite material.
Example 4
Adding 20 parts of ethylene propylene diene monomer and 5 parts of zinc stearate into an internal mixer, mixing for 5min at 110 ℃, adding 80 parts of methyl vinyl phenyl silicone rubber, 8 parts of EPDM-g-MAH 2, 20 parts of carbon black, 7 parts of pine tar and1 part of antioxidant RD, continuously mixing for 10min, finally adding 3 parts of dicumyl peroxide and1 part of accelerator H, mixing for 5min, discharging, standing for 24H, and carrying out hot press vulcanization at 180 ℃ to obtain the silicone rubber and ethylene propylene diene monomer composite material.
Example 5
Adding 20 parts of ethylene propylene diene monomer, 5 parts of zinc stearate and 5 parts of stearic acid into an internal mixer, mixing for 5min at 110 ℃, adding 80 parts of methyl vinyl silicone rubber, 80 parts of EPDM-g-MAH 4 parts, 8 parts of 4-vinylbenzyl glycidyl ether, 20 parts of carbon black, 20 parts of white carbon black, 7 parts of pine tar, 6 parts of reduced-linear oil, 1 part of anti-aging agent 4010NA and 3 parts of anti-aging agent BLE, continuously mixing for 10min, finally adding 5 parts of dicumyl peroxide, 1 part of accelerator H and 2 parts of accelerator CZ, mixing for 5min, discharging, standing for 24H, and performing hot press vulcanization at 180 ℃ to obtain the silicone rubber and ethylene propylene diene monomer composite material.
Example 6
Adding 20 parts of ethylene propylene diene monomer, 5 parts of zinc oxide and 3 parts of stearic acid into an internal mixer, mixing for 5min at 110 ℃, adding 80 parts of methyl vinyl phenyl silicone rubber, 3 parts of EPDM-g-MAH, 8 parts of 4-vinyl benzyl glycidyl ether, 1 part of 2-phenyl-1, 2-pentane diamine, 30 parts of white carbon black, 10 parts of four-wire oil reduction agent and 2.5 parts of antioxidant MB, continuously mixing for 10min, finally adding 4 parts of dicumyl peroxide and 2 parts of accelerator CZ, mixing for 5min, discharging, standing for 24h, and carrying out hot press vulcanization at 180 ℃ to obtain the silicone rubber and ethylene propylene diene monomer composite material.
Example 7
Adding 20 parts of ethylene propylene diene monomer, 5 parts of zinc oxide and 3 parts of stearic acid into an internal mixer, mixing for 5min at 110 ℃, adding 80 parts of methyl vinyl phenyl silicone rubber, 3 parts of EPDM-g-MAH, 8 parts of 4-vinyl benzyl glycidyl ether, 3 parts of 2-phenyl-1, 2-pentane diamine, 30 parts of white carbon black, 10 parts of four-wire oil reduction agent and 2.5 parts of antioxidant MB, continuously mixing for 10min, finally adding 4 parts of dicumyl peroxide and 2 parts of accelerator CZ, mixing for 5min, discharging, standing for 24h, and carrying out hot press vulcanization at 180 ℃ to obtain the silicone rubber and ethylene propylene diene monomer composite material.
Example 8
Adding 20 parts of ethylene propylene diene monomer, 5 parts of zinc oxide and 3 parts of stearic acid into an internal mixer, mixing for 5min at 110 ℃, adding 80 parts of methyl vinyl phenyl silicone rubber, 3 parts of EPDM-g-MAH, 8 parts of 4-vinyl benzyl glycidyl ether, 5 parts of 2-phenyl-1, 2-pentane diamine, 30 parts of white carbon black, 10 parts of four-wire oil reduction agent and 2.5 parts of antioxidant MB, continuously mixing for 10min, finally adding 4 parts of dicumyl peroxide and 2 parts of accelerator CZ, mixing for 5min, discharging, standing for 24h, and carrying out hot press vulcanization at 180 ℃ to obtain the silicone rubber and ethylene propylene diene monomer composite material.
Comparative example 1
Adding 20 parts of ethylene propylene diene monomer, 5 parts of zinc oxide and 3 parts of stearic acid into an internal mixer, mixing for 5min at 110 ℃, adding 80 parts of methyl vinyl phenyl silicone rubber, 3 parts of EPDM-g-MAH, 30 parts of white carbon black, 10 parts of four-wire oil reduction and 2.5 parts of anti-aging agent MB, continuously mixing for 10min, finally adding 4 parts of dicumyl peroxide and 2 parts of accelerator CZ, mixing for 5min, discharging, standing for 24h, and carrying out hot press vulcanization at 180 ℃ to obtain the silicone rubber and ethylene propylene diene monomer composite material.
Comparative example 2
Adding 20 parts of ethylene propylene diene monomer, 5 parts of zinc oxide and 3 parts of stearic acid into an internal mixer, mixing for 5min at 110 ℃, adding 80 parts of methyl vinyl phenyl silicone rubber, 5 parts of 4-vinylbenzyl glycidyl ether, 30 parts of white carbon black, 10 parts of four-wire oil reduction and 2.5 parts of antioxidant MB, continuously mixing for 10min, finally adding 4 parts of dicumyl peroxide and 2 parts of accelerator CZ, mixing for 5min, discharging, standing for 24h, and carrying out hot press vulcanization at 180 ℃ to obtain the silicone rubber and ethylene propylene diene monomer composite material.
Comparative example 3
Adding 20 parts of ethylene propylene diene monomer, 5 parts of zinc oxide and 3 parts of stearic acid into an internal mixer, mixing for 5min at 110 ℃, adding 80 parts of methyl vinyl phenyl silicone rubber, 30 parts of white carbon black, 10 parts of four-wire oil reduction and 2.5 parts of anti-aging agent MB, continuously mixing for 10min, finally adding 4 parts of dicumyl peroxide and 2 parts of accelerator CZ, mixing for 5min, discharging, standing for 24h, and performing hot press vulcanization at 180 ℃ to obtain the silicone rubber and ethylene propylene diene monomer composite material.
The silicon rubber and ethylene propylene diene monomer rubber composite materials obtained in examples 1 to 8 and comparative examples 1 to 3 were subjected to a tensile strength test (IA type dumbbell-shaped test pieces) by referring to the method in GB/T528-2009 "measurement of tensile stress strain properties of vulcanized rubber or thermoplastic rubber"; the tear strength test was carried out with reference to method A in GB/T529-2008 determination of tear Strength of vulcanized rubber or thermoplastic rubber (trouser, right-angle and crescent shaped samples); the test results are recorded in table 1.
TABLE 1 tensile Strength and tear Strength of Silicone rubber and ethylene-propylene-diene monomer rubber composite
As can be seen from Table 1, the silicon rubber and ethylene propylene diene monomer rubber composite material provided by the invention has tensile strength of more than 21.5MPa, tear strength of more than 12.6kN/m, and high strength and tear resistance.
Compared with comparative examples 1-3, the EPDM-g-MAH and 4-vinylbenzyl glycidyl ether are added in examples 1-8, the EPDM-g-MAH is added in comparative example 1, the 4-vinylbenzyl glycidyl ether is added in comparative example 2, the EPDM-g-MAH and 4-vinylbenzyl glycidyl ether are not added in comparative example 3, and the tensile strength and tear strength of the silicone rubber and ethylene-propylene-diene rubber composite material obtained in examples 1-8 are higher than those of comparative examples 1-3, so that the EPDM-g-MAH and 4-vinylbenzyl glycidyl ether are used cooperatively, and the synergistic effect is achieved, and the strength and tear resistance of the silicone rubber and ethylene-propylene-diene rubber composite material can be remarkably improved.
Examples 6 to 8 compared with examples 1 to 5, the addition of 2-phenyl-1, 2-pentanediamine in examples 6 to 8, without the addition of 2-phenyl-1, 2-pentanediamine in examples 1 to 5, the tensile strength and tear strength of the silicone rubber and ethylene propylene diene rubber composite material obtained in examples 1 to 5 are lower than those of examples 6 to 8, indicating that the addition of 2-phenyl-1, 2-pentanediamine can further improve the strength and tear resistance of the silicone rubber and ethylene propylene diene rubber composite material.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. The silicon rubber insulation special power cable is characterized by sequentially comprising a conductor, a conductor shielding layer, an insulating layer, an armor layer and a sheath layer from inside to outside;
The conductor is a copper conductor;
the conductor shielding layer is made of graphene shielding materials;
The armor layer is an aluminum tape armor layer;
The insulating layer and the sheath layer are both prepared from silicon rubber and ethylene propylene diene monomer rubber composite materials;
The raw materials of the silicon rubber and ethylene propylene diene monomer composite material comprise the following components in parts by mass: 80 parts of silicon rubber, 20 parts of ethylene propylene diene monomer, 20-40 parts of filler, 7-13 parts of softener, 5-10 parts of activator, 2-4 parts of EPDM-g-MAH, 5-10 parts of 4-vinylbenzyl glycidyl ether, 1-4 parts of anti-aging agent, 3-5 parts of vulcanizing agent, 1-3 parts of accelerator and 1-5 parts of 2-phenyl-1, 2-pentane diamine.
2. The special silicon rubber insulated power cable according to claim 1, wherein the mass ratio of the silicon rubber to the 4-vinylbenzyl glycidyl ether is 10:1.
3. The special silicon rubber insulation power cable according to claim 1, wherein the mass ratio of the 4-vinylbenzyl glycidyl ether to the 2-phenyl-1, 2-pentane diamine is 8:3.
4. The special power cable of claim 1, wherein the silicone rubber comprises one or two of methyl vinyl phenyl silicone rubber and methyl vinyl silicone rubber.
5. The special silicon rubber insulated power cable according to claim 1, wherein the filler comprises one or two of white carbon black and carbon black.
6. A silicone rubber insulated special power cable according to claim 1, wherein the softener comprises one or both of reduced wire oil and pine tar.
7. The special silicon rubber insulated power cable according to claim 1, wherein the activator comprises one or more of zinc oxide, stearic acid and stearate.
8. The special silicon rubber insulated power cable according to claim 1, wherein the anti-aging agent comprises one or more of an anti-aging agent MB, an anti-aging agent RD, an anti-aging agent 4010NA and an anti-aging agent BLE;
the vulcanizing agent is peroxide; the accelerator comprises one or two of accelerator CZ and accelerator H.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311772688.0A CN117727496B (en) | 2023-12-21 | 2023-12-21 | Silicon rubber insulation special power cable |
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|---|---|---|---|
| CN202311772688.0A CN117727496B (en) | 2023-12-21 | 2023-12-21 | Silicon rubber insulation special power cable |
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| CN117727496B true CN117727496B (en) | 2024-07-02 |
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| JP5560185B2 (en) * | 2008-03-03 | 2014-07-23 | 旭化成ケミカルズ株式会社 | Flame retardant resin composition |
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