CN114044987A - Oil-resistant ethylene propylene insulating material - Google Patents
Oil-resistant ethylene propylene insulating material Download PDFInfo
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- CN114044987A CN114044987A CN202111624643.XA CN202111624643A CN114044987A CN 114044987 A CN114044987 A CN 114044987A CN 202111624643 A CN202111624643 A CN 202111624643A CN 114044987 A CN114044987 A CN 114044987A
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- insulating material
- ethylene propylene
- propylene insulating
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- 239000011810 insulating material Substances 0.000 title claims abstract description 27
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 title claims abstract description 24
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 38
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 36
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 23
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 23
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 19
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000005662 Paraffin oil Substances 0.000 claims abstract description 14
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910000077 silane Inorganic materials 0.000 claims abstract description 12
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 9
- QHNXEVRKFKHMRL-UHFFFAOYSA-N dimethylazanium;acetate Chemical compound CNC.CC(O)=O QHNXEVRKFKHMRL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- 239000005977 Ethylene Substances 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- KUNYBTRLUDFCJB-UHFFFAOYSA-N n-methylmethanamine;prop-2-enoic acid Chemical compound CNC.OC(=O)C=C KUNYBTRLUDFCJB-UHFFFAOYSA-N 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- UKRDPEFKFJNXQM-UHFFFAOYSA-N vinylsilane Chemical group [SiH3]C=C UKRDPEFKFJNXQM-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 17
- 238000004132 cross linking Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000004014 plasticizer Substances 0.000 abstract description 2
- 230000000740 bleeding effect Effects 0.000 abstract 1
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 description 14
- ZFMQKOWCDKKBIF-UHFFFAOYSA-N bis(3,5-difluorophenyl)phosphane Chemical compound FC1=CC(F)=CC(PC=2C=C(F)C=C(F)C=2)=C1 ZFMQKOWCDKKBIF-UHFFFAOYSA-N 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 3
- 150000003384 small molecules Chemical class 0.000 description 3
- ZNRLMGFXSPUZNR-UHFFFAOYSA-N 2,2,4-trimethyl-1h-quinoline Chemical compound C1=CC=C2C(C)=CC(C)(C)NC2=C1 ZNRLMGFXSPUZNR-UHFFFAOYSA-N 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 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 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- 101100048385 Human cytomegalovirus (strain AD169) UL62 gene Proteins 0.000 description 1
- 230000004075 alteration Effects 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
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- -1 dioctyl-vinyl acetate Chemical compound 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 229920002545 silicone oil Polymers 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
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Insulating Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses an oil-resistant ethylene propylene insulating material. The oil-resistant ethylene propylene insulating material is prepared from the following raw materials in parts by weight: 50-100 parts of EPDM (ethylene-propylene-diene monomer), 0-50 parts of EVA (ethylene-vinyl acetate), 80 parts of argil, 20 parts of calcium carbonate, 20 parts of talcum powder, 9-20 parts of paraffin oil, 0-9 parts of DOA (dimethyl ammonium acetate), 1 part of anti-aging agent RD (RD), 1.5 parts of silane, 1.5-2 parts of TAIC (Taric), and 2-2.5 parts of DCP. The EPDM and the EVA are used together, so that the oil resistance of the material is improved, and the tensile strength and the hardness of the material are improved; the argil, the calcium carbonate and the talcum powder are used together, so that the cost of the material can be obviously reduced due to lower price, the argil and the talcum powder play a role in increasing the tensile strength of the material, the calcium carbonate can reduce the acidity of the material, and the crosslinking degree of the material is improved; the plasticizer is selected from non-polar paraffin oil and polar DOA, so that the comprehensive plasticizing effect is obvious, and the problem of oil bleeding caused by different polarities is solved.
Description
Technical Field
The invention relates to the technical field of cable sheath materials, in particular to an oil-resistant ethylene propylene insulating material.
Background
The cable (UL62 cable) requires EPDM insulation to have oil resistance in the use process, however, since EPDM belongs to a nonpolar material, the EPDM is similar to silicone oil (902# oil) and compatible, and the oil resistance is poor, a large amount of small molecules such as operating oil in the EPDM still can be separated out and enter the 902# oil, the 902# oil is discolored if the small molecules are light, the electrical property of the 902# oil is affected if the small molecules are heavy, and the mechanical property and the electrical property of the EPDM are also reduced, so that the service life is affected.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: overcomes the defects in the prior art, and provides an oil-resistant ethylene propylene insulating material which meets the oil resistance of a cable insulating material.
The technical scheme adopted by the invention for solving the technical problems is as follows: an oil-resistant ethylene propylene insulating material is prepared from the following raw materials in parts by weight:
50-100 parts of EPDM (ethylene propylene diene monomer), 0-50 parts of EVA (ethylene-vinyl acetate copolymer), 80 parts of argil, 20 parts of calcium carbonate, 20 parts of talcum powder, 9-20 parts of paraffin oil, 0-9 parts of DOA (dioctyl adipate), 1 part of anti-aging agent RD (2,2, 4-trimethyl-1, 2-dihydroquinoline polymer), 1.5 parts of silane, 1.5-2 parts of TAIC (triallyl isocyanurate) and 2-2.5 parts of DCP (dicumyl peroxide).
Further, the oil-resistant ethylene propylene insulating material is prepared from the following raw materials in parts by weight:
80 parts of EPDM (ethylene-propylene-diene monomer), 20 parts of EVA (ethylene-vinyl acetate), 80 parts of argil, 20 parts of calcium carbonate, 20 parts of talcum powder, 15 parts of paraffin oil, 3 parts of DOA (dimethyl ammonium acrylate), 1 part of anti-aging agent RD (RD), 1.5 parts of silane, 1.5 parts of TAIC (TAIC) and 2 parts of DCP.
Further, the EPDM had an ethylene content of 61% by weight, a Mooney viscosity of 44MU and a density of 0.86g/cm3。
Further, the content of VA (vinyl acetate) in the EVM is 18% wt.
Further, the argil is calcined kaolin, the calcium carbonate is active nano calcium carbonate, and the paraffin oil is No. 300 white oil.
Further, the particle size of the talcum powder is 5000 meshes.
Further, the density of said DOA is 0.927g/cm3。
Further, the silane is a vinyl silane.
Further, the TAIC is a powdery TAIC in an amount of 75% by weight.
Further, the DCP was a DCP content of 99.7% wt.
The invention has the beneficial effects that: the invention has reasonable design and simple and convenient operation, and has the following advantages:
(1) the EVA has excellent oil resistance and weather resistance, and better insulating electrical property than other polar materials, is combined with the EPDM to be used in the cable insulating material, and can greatly improve the oil resistance of the insulating material while having little influence on the insulating electrical property;
(2) EPDM belongs to a non-polar material, EVA is polarized, plasticizer is selected from non-polar paraffin oil and polar DOA, comprehensive plasticizing effect is obvious, and the condition of oil precipitation caused by different polarities is avoided;
(3) the argil, the calcium carbonate and the talcum powder are used together, so that the cost of the material can be obviously reduced due to lower price, the argil and the talcum powder play a role in increasing the tensile strength of the material, and the calcium carbonate can reduce the acidity of the material, improve the crosslinking degree of the material and improve the extrusion performance of the invention.
Detailed Description
The present invention will now be described in further detail with reference to preferred embodiments.
An oil-resistant ethylene propylene insulating material is prepared from the following raw materials in parts by weight:
50-100 parts of EPDM (ethylene-propylene-diene monomer), 0-50 parts of EVA (ethylene-vinyl acetate), 80 parts of argil, 20 parts of calcium carbonate, 20 parts of talcum powder, 9-20 parts of paraffin oil, 0-9 parts of DOA (dimethyl ammonium acetate), 1 part of anti-aging agent RD (RD), 1.5 parts of silane, 1.5-2 parts of TAIC (Taric), and 2-2.5 parts of DCP.
The ethylene content of the EPDM was 61% by weight, the Mooney viscosity of the EPDM was 44MU, and the density of the EPDM was 0.86g/cm3。
The VA content in the EVM was 18% wt.
The pottery clay is calcined kaolin, the calcium carbonate is active nano calcium carbonate, and the paraffin oil is No. 300 white oil.
The particle size of the talcum powder is 5000 meshes.
The density of DOA was 0.927g/cm3。
The silane is a vinyl silane.
TAIC is a powdery TAIC with a content of 75% by weight.
DCP was a DCP content of 99.7% by weight.
Example 1
An oil-resistant ethylene propylene insulating material is prepared from the following raw materials in parts by weight:
100 parts of EPDM (ethylene-propylene-diene monomer), 0 part of EVA (ethylene-vinyl acetate), 80 parts of argil, 20 parts of calcium carbonate, 20 parts of talcum powder, 20 parts of paraffin oil, 0 part of DOA (dioctyl-vinyl acetate), 1 part of anti-aging agent RD (antioxidant), 1.5 parts of silane, 2 parts of TAIC (Tar-activated carbon) and 2.5 parts of DCP (DCP).
Example 2
An oil-resistant ethylene propylene insulating material is prepared from the following raw materials in parts by weight:
50 parts of EPDM (ethylene-propylene-diene monomer), 50 parts of EVA (ethylene-vinyl acetate), 80 parts of argil, 20 parts of calcium carbonate, 20 parts of talcum powder, 9 parts of paraffin oil, 9 parts of DOA (dioctyl phthalate), 1 part of anti-aging agent RD, 1.5 parts of silane, 2 parts of TAIC (Tar-activated carbon) and 2.5 parts of DCP (DCP).
Example 3
An oil-resistant ethylene propylene insulating material is prepared from the following raw materials in parts by weight:
80 parts of EPDM (ethylene-propylene-diene monomer), 20 parts of EVA (ethylene-vinyl acetate), 80 parts of argil, 20 parts of calcium carbonate, 20 parts of talcum powder, 15 parts of paraffin oil, 3 parts of DOA (dimethyl ammonium acrylate), 1 part of anti-aging agent RD (RD), 1.5 parts of silane, 1.5 parts of TAIC (TAIC) and 2 parts of DCP.
The materials obtained in examples 1 to 3 were subjected to performance tests, and the test results are shown in table 1.
TABLE 1
As can be seen from Table 1, after the formulation of example 1 is adopted, since only one kind of EPDM rubber is adopted, the EPDM rubber is similar to the 902# oil, a great deal of oil is introduced into the EPDM rubber, the volume of the material test film is greatly expanded after the test, and the tensile strength and the elongation at break are greatly reduced; compared with the example 1, after the formula of the example 2 is adopted, the EPDM weight part is reduced by 50 parts, and the EVA content is increased by 50 parts, so that the oil resistance of a material test film is greatly improved, but the vulcanization degree is improved too much, the elongation at break is reduced a lot, and the hardness is too high; compared with the formula in the example 2, after the formula in the example 3 is adopted, the weight part of EPDM is increased by 30 parts, the weight part of EVA is reduced by 30 parts, meanwhile, the weight parts of TAIC and DCP are reduced by a small amount, the vulcanization degree is reduced, and the mechanical property and the oil resistance are basically optimal.
While particular embodiments of the present invention have been described in the foregoing specification, various modifications and alterations to the previously described embodiments will become apparent to those skilled in the art from this description without departing from the spirit and scope of the invention.
Claims (10)
1. An oil-resistant ethylene propylene insulating material is characterized in that: the oil-resistant ethylene propylene insulating material is prepared from the following raw materials in parts by weight:
50-100 parts of EPDM (ethylene-propylene-diene monomer), 0-50 parts of EVA (ethylene-vinyl acetate), 80 parts of argil, 20 parts of calcium carbonate, 20 parts of talcum powder, 9-20 parts of paraffin oil, 0-9 parts of DOA (dimethyl ammonium acetate), 1 part of anti-aging agent RD (RD), 1.5 parts of silane, 1.5-2 parts of TAIC (Taric), and 2-2.5 parts of DCP.
2. The oil-resistant ethylene propylene insulating material according to claim 1, characterized in that: the oil-resistant ethylene propylene insulating material is prepared from the following raw materials in parts by weight:
80 parts of EPDM (ethylene-propylene-diene monomer), 20 parts of EVA (ethylene-vinyl acetate), 80 parts of argil, 20 parts of calcium carbonate, 20 parts of talcum powder, 15 parts of paraffin oil, 3 parts of DOA (dimethyl ammonium acrylate), 1 part of anti-aging agent RD (RD), 1.5 parts of silane, 1.5 parts of TAIC (TAIC) and 2 parts of DCP.
3. The oil-resistant ethylene propylene insulating material according to claim 1, characterized in that: the EPDM had an ethylene content of 61% by weight, a Mooney viscosity of 44MU, and a density of 0.86g/cm3。
4. The oil-resistant ethylene propylene insulating material according to claim 1, characterized in that: the VA content in the EVM is 18% wt.
5. The oil-resistant ethylene propylene insulating material according to claim 1, characterized in that: the argil is calcined kaolin, the calcium carbonate is active nano calcium carbonate, and the paraffin oil is No. 300 white oil.
6. The oil-resistant ethylene propylene insulating material according to claim 1, characterized in that: the particle size of the talcum powder is 5000 meshes.
7. The oil-resistant ethylene propylene insulating material according to claim 1, characterized in that: the density of said DOA is 0.927g/cm3。
8. The oil-resistant ethylene propylene insulating material according to claim 1, characterized in that: the silane is vinyl silane.
9. The oil-resistant ethylene propylene insulating material according to claim 1, characterized in that: the TAIC is a powdery TAIC with a content of 75% by weight.
10. The oil-resistant ethylene propylene insulating material according to claim 1, characterized in that: the DCP is DCP with the content of 99.7 percent by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111624643.XA CN114044987A (en) | 2021-12-28 | 2021-12-28 | Oil-resistant ethylene propylene insulating material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111624643.XA CN114044987A (en) | 2021-12-28 | 2021-12-28 | Oil-resistant ethylene propylene insulating material |
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| Publication Number | Publication Date |
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| CN114044987A true CN114044987A (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202111624643.XA Pending CN114044987A (en) | 2021-12-28 | 2021-12-28 | Oil-resistant ethylene propylene insulating material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023093951A1 (en) * | 2021-11-24 | 2023-06-01 | Phoenix Compounding Technology GmbH | Flameproof elastomer composition, method for producing same, and use thereof for fireproofing applications |
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2021
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