CN112322050A - High-temperature-resistant rubber and cable high-temperature-resistant layer prepared from high-temperature-resistant rubber - Google Patents
High-temperature-resistant rubber and cable high-temperature-resistant layer prepared from high-temperature-resistant rubber Download PDFInfo
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- CN112322050A CN112322050A CN202011393424.0A CN202011393424A CN112322050A CN 112322050 A CN112322050 A CN 112322050A CN 202011393424 A CN202011393424 A CN 202011393424A CN 112322050 A CN112322050 A CN 112322050A
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- -1 methyl vinyl Chemical group 0.000 claims abstract description 92
- 229920002545 silicone oil Polymers 0.000 claims abstract description 21
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 20
- QYLFHLNFIHBCPR-UHFFFAOYSA-N 1-ethynylcyclohexan-1-ol Chemical compound C#CC1(O)CCCCC1 QYLFHLNFIHBCPR-UHFFFAOYSA-N 0.000 claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000006229 carbon black Substances 0.000 claims abstract description 16
- 239000001257 hydrogen Substances 0.000 claims abstract description 16
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 16
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 16
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 11
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229920002050 silicone resin Polymers 0.000 claims abstract description 11
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000006082 mold release agent Substances 0.000 claims abstract description 5
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims abstract description 3
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000004898 kneading Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 229910000077 silane Inorganic materials 0.000 claims description 5
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 claims description 5
- 238000004073 vulcanization Methods 0.000 claims description 5
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical group [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 3
- 230000032683 aging Effects 0.000 description 5
- 239000004593 Epoxy Substances 0.000 description 4
- 239000012752 auxiliary agent Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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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
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- 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
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
-
- 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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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)
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention belongs to the field of cable material processing, and particularly relates to high-temperature-resistant rubber and a cable high-temperature-resistant layer prepared from the high-temperature-resistant rubber. The high-temperature-resistant rubber is prepared from the following raw materials in parts by weight: 100-120 parts of epoxidized methyl vinyl polysiloxane, 60-70 parts of white carbon black, 10-20 parts of vinyl hydroxyl silicone oil, 2-4 parts of mold release agent, 7-9 parts of ferric oxide, 1.5-3.5 parts of methyl vinyl MQ silicone resin, 3-5 parts of trimethylsiloxy end-to-end polymethyl hydrogen siloxane, 0.5-2 parts of ethynyl cyclohexanol, 60-85 parts of vinyl end-capped dimethyl methyl vinyl and 0-15 parts of platinum (O) -1, 3-divinyl-1, 1,3, 3-tetramethyl disiloxane. The invention can still ensure the normal work of the wire core at about 320 ℃.
Description
Technical Field
The invention belongs to the field of cable material processing, and particularly relates to high-temperature-resistant rubber and a cable high-temperature-resistant layer prepared from the high-temperature-resistant rubber.
Background
The cable is often used for electric power system, in the production such as industrial and agricultural production, the cable includes sinle silk conductor, insulating material and high temperature resistant layer, and sinle silk conductor in the cable is because long-term current-carrying generates heat, can lead to inside sinle silk effect function to reduce to external environment's influence can lead to outside high temperature resistant layer ageing, can cause the condition such as conflagration, causes great influence to people, consequently, prior art needs further improvement.
Disclosure of Invention
The invention aims to provide high-temperature-resistant rubber capable of still ensuring normal work of a wire core at about 320 ℃ and a high-temperature-resistant layer of a cable prepared from the high-temperature-resistant rubber.
Based on the purpose, the invention adopts the following technical scheme:
the high-temperature-resistant rubber is prepared from the following raw materials in parts by weight: 100-120 parts of epoxidized methyl vinyl polysiloxane, 60-70 parts of white carbon black, 10-20 parts of vinyl hydroxyl silicone oil, 2-4 parts of mold release agent, 7-9 parts of ferric oxide, 1.5-3.5 parts of methyl vinyl MQ silicone resin, 3-5 parts of trimethylsiloxy end-to-end polymethyl hydrogen siloxane, 0.5-2 parts of ethynyl cyclohexanol, 60-85 parts of vinyl end-capped dimethyl methyl vinyl and 0-15 parts of platinum (O) -1, 3-divinyl-1, 1,3, 3-tetramethyl disiloxane.
Furthermore, the percentage of the epoxy chain units in the epoxidized methylvinylpolysiloxane in the total mass of the epoxidized methylvinylpolysiloxane is 5-40%.
Further, the release agent is zinc stearate.
A cable high-temperature-resistant layer made of the high-temperature-resistant rubber. The high-temperature layer is 0.6-0.8 mm.
The preparation method of the cable high-temperature-resistant layer comprises the following steps: (1) epoxidizing methyl vinyl polysiloxane, white carbon black, vinyl hydroxyl silicone oil, a release agent, hydrogen-containing silicone oil, ethynyl cyclohexanol, silane assistant epoxidized methyl vinyl polysiloxane, white carbon black, vinyl hydroxyl silicone oil, ferric oxide, methyl vinyl MQ silicone resin, trimethylsiloxy end-to-end polymethyl hydrogen siloxane and ethynyl cyclohexanol, mixing into a mass in an internal mixer at the temperature of 120 plus one year and 130 ℃, then raising the temperature to 155 plus one year and 165 ℃, and kneading for 60-120min under the vacuum degree of-0.07-0.09 MPa to obtain the rubber compound;
(2) standing the banburying rubber in the step (1) for 2-3h, filtering to obtain a banburying rubber, adding vinyl-terminated dimethyl methyl vinyl, platinum (O) -1, 3-divinyl-1, 1,3, 3-tetramethyl disiloxane and sodium stearate, uniformly mixing, and putting into a mold for vulcanization molding to obtain a finished product.
The rubber prepared by the invention is high temperature resistant and aging resistant, and the cable high temperature resistant layer prepared by the rubber can ensure the normal use of the cable core under the condition of high temperature of about 320 ℃.
Drawings
FIGS. 1-6 are test reports of aging tests on the rubber material prepared by the invention for electric heating cables.
Detailed Description
Example 1:
the high-temperature-resistant rubber is prepared from the following raw materials in parts by weight: 100 parts of epoxidized methyl vinyl polysiloxane, 60 parts of white carbon black, 10 parts of vinyl hydroxyl silicone oil, 2 parts of a release agent, 7 parts of ferric oxide, 1.5 parts of methyl vinyl MQ silicone resin, 3 parts of trimethylsiloxy end-to-end polymethyl hydrogen siloxane, 0.5 part of ethynyl cyclohexanol and 60 parts of vinyl-terminated dimethyl methyl vinyl.
The percentage of the epoxy chain units in the epoxidized methylvinylpolysiloxane in the total mass of the epoxidized methylvinylpolysiloxane is 5-40%.
The release agent is zinc stearate.
A cable high-temperature-resistant layer made of the high-temperature-resistant rubber. The high-temperature layer is 0.6 mm.
The preparation method of the cable high-temperature-resistant layer comprises the following steps: (1) epoxidizing methyl vinyl polysiloxane, white carbon black, vinyl hydroxyl silicone oil, a release agent, hydrogen-containing silicone oil, ethynyl cyclohexanol, silane auxiliary agent epoxidized methyl vinyl polysiloxane, white carbon black, vinyl hydroxyl silicone oil, ferric oxide, methyl vinyl MQ silicone resin, trimethylsiloxy end-to-end polymethyl hydrogen siloxane and ethynyl cyclohexanol, mixing into a mass in an internal mixer at 120 ℃, then raising the temperature to 155 ℃, and kneading for 60min under the vacuum degree of-0.07 MPa to obtain the rubber compound;
(2) standing the banburying rubber in the step (1) for 2h, filtering to obtain a rubber starting compound, adding vinyl-terminated dimethyl methyl vinyl, platinum (O) -1, 3-divinyl-1, 1,3, 3-tetramethyl disiloxane and sodium stearate, uniformly mixing, and putting into a mold for vulcanization molding to obtain a finished product.
Example 2:
the high-temperature-resistant rubber is prepared from the following raw materials in parts by weight: 110 parts of epoxidized methyl vinyl polysiloxane, 65 parts of white carbon black, 15 parts of vinyl hydroxyl silicone oil, 3 parts of a release agent, 8 parts of ferric oxide, 2 parts of methyl vinyl MQ silicone resin, 4 parts of trimethylsiloxy end-to-end polymethyl hydrogen siloxane, 1 part of ethynyl cyclohexanol, 70 parts of vinyl-terminated dimethyl methyl vinyl and 5 parts of platinum (O) -1, 3-divinyl-1, 1,3, 3-tetramethyl disiloxane.
The percentage of the epoxy chain units in the epoxidized methylvinylpolysiloxane in the total mass of the epoxidized methylvinylpolysiloxane is 20%.
The release agent is zinc stearate.
A cable high-temperature-resistant layer made of the high-temperature-resistant rubber. The high-temperature layer is 0.7 mm.
The preparation method of the cable high-temperature-resistant layer comprises the following steps: (1) epoxidizing methyl vinyl polysiloxane, white carbon black, vinyl hydroxyl silicone oil, a mold release agent, hydrogen-containing silicone oil, ethynyl cyclohexanol, silane auxiliary agent epoxidized methyl vinyl polysiloxane, white carbon black, vinyl hydroxyl silicone oil, ferric oxide, methyl vinyl MQ silicone resin, trimethylsiloxy end-to-end polymethyl hydrogen siloxane and ethynyl cyclohexanol, mixing into a mass in an internal mixer at 125 ℃, then raising the temperature to 160 ℃, and kneading for 100min under the vacuum degree of 0.07MPa to obtain internal mixing rubber;
(2) standing the banburying rubber in the step (1) for 2.5h, filtering to obtain a banburying rubber, adding vinyl-terminated dimethyl methyl vinyl, platinum (O) -1, 3-divinyl-1, 1,3, 3-tetramethyl disiloxane and sodium stearate, uniformly mixing, and putting into a mold for vulcanization molding to obtain a finished product.
Example 3:
the high-temperature-resistant rubber is prepared from the following raw materials in parts by weight: 120 parts of epoxidized methyl vinyl polysiloxane, 70 parts of white carbon black, 20 parts of vinyl hydroxyl silicone oil, 4 parts of a release agent, 9 parts of ferric oxide, 3.5 parts of methyl vinyl MQ silicone resin, 5 parts of trimethylsiloxy end-to-end polymethyl hydrogen siloxane, 2 parts of ethynyl cyclohexanol, 85 parts of vinyl-terminated dimethyl methyl vinyl and 15 parts of platinum (O) -1, 3-divinyl-1, 1,3, 3-tetramethyl disiloxane.
The percentage of the epoxy chain units in the epoxidized methylvinylpolysiloxane in the total mass of the epoxidized methylvinylpolysiloxane is 40%.
The release agent is zinc stearate.
A cable high-temperature-resistant layer made of the high-temperature-resistant rubber. The high-temperature layer is 0.8 mm.
The preparation method of the cable high-temperature-resistant layer comprises the following steps: (1) epoxidizing methyl vinyl polysiloxane, white carbon black, vinyl hydroxyl silicone oil, a mold release agent, hydrogen-containing silicone oil, ethynyl cyclohexanol, silane auxiliary agent epoxidized methyl vinyl polysiloxane, white carbon black, vinyl hydroxyl silicone oil, ferric oxide, methyl vinyl MQ silicone resin, trimethylsiloxy end-to-end polymethyl hydrogen siloxane and ethynyl cyclohexanol, mixing into a mass in an internal mixer at 130 ℃, then raising the temperature to 165 ℃, and kneading for 120min under the vacuum degree of 0.09MPa to obtain the rubber compound;
(2) standing the banburying rubber in the step (1) for 3 hours, filtering to obtain a rubber starting compound, adding vinyl-terminated dimethyl methyl vinyl, platinum (O) -1, 3-divinyl-1, 1,3, 3-tetramethyl disiloxane and sodium stearate, uniformly mixing, and putting into a mold for vulcanization molding to obtain a finished product.
Test example 1:
the high-temperature-resistant layer of the cable prepared from the rubber in the embodiment 1 of the application is used for an electric radiator cable, and the performance of the cable is detected, as shown in the following fig. 1-6, the result shows that the input power value of the cable is over 90% after the cable is electrified for 600h when the voltage is 286V, and after an aging test, the input power value is extremely small before and after aging, and the input power value is over 90%, so that the cable can be completely normally used, and can also be normally used at 320 ℃.
Claims (5)
1. The high-temperature-resistant rubber is characterized by being prepared from the following raw materials in parts by weight: 100-120 parts of epoxidized methyl vinyl polysiloxane, 60-70 parts of white carbon black, 10-20 parts of vinyl hydroxyl silicone oil, 2-4 parts of mold release agent, 7-9 parts of ferric oxide, 1.5-3.5 parts of methyl vinyl MQ silicone resin, 3-5 parts of trimethylsiloxy end-to-end polymethyl hydrogen siloxane, 0.5-2 parts of ethynyl cyclohexanol, 60-85 parts of vinyl end-capped dimethyl methyl vinyl and 0-15 parts of platinum (O) -1, 3-divinyl-1, 1,3, 3-tetramethyl disiloxane.
2. The rubber for a high-temperature-resistant layer of a cable according to claim 1, wherein the epoxidized methylvinylpolysiloxane has a percentage of epoxidized chain segments in the total mass of the epoxidized methylvinylpolysiloxane of 5 to 40%.
3. The rubber for a high temperature-resistant layer of a cable according to claim 1, wherein the release agent is zinc stearate.
4. A high temperature resistant layer of a cable made of the high temperature resistant rubber of claim 1.
5. The preparation method of the cable high-temperature-resistant layer according to claim 4, characterized by comprising the following steps: (1) epoxidizing methyl vinyl polysiloxane, white carbon black, vinyl hydroxyl silicone oil, a release agent, hydrogen-containing silicone oil, ethynyl cyclohexanol, silane assistant epoxidized methyl vinyl polysiloxane, white carbon black, vinyl hydroxyl silicone oil, ferric oxide, methyl vinyl MQ silicone resin, trimethylsiloxy end-to-end polymethyl hydrogen siloxane and ethynyl cyclohexanol, mixing into a mass in an internal mixer at the temperature of 120 plus one year and 130 ℃, then raising the temperature to 155 plus one year and 165 ℃, and kneading for 60-120min under the vacuum degree of-0.07-0.09 MPa to obtain the rubber compound;
(2) standing the banburying rubber in the step (1) for 2-3h, filtering to obtain a banburying rubber, adding vinyl-terminated dimethyl methyl vinyl, platinum (O) -1, 3-divinyl-1, 1,3, 3-tetramethyl disiloxane and sodium stearate, uniformly mixing, and putting into a mold for vulcanization molding to obtain a finished product.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011393424.0A CN112322050A (en) | 2020-12-02 | 2020-12-02 | High-temperature-resistant rubber and cable high-temperature-resistant layer prepared from high-temperature-resistant rubber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011393424.0A CN112322050A (en) | 2020-12-02 | 2020-12-02 | High-temperature-resistant rubber and cable high-temperature-resistant layer prepared from high-temperature-resistant rubber |
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2020
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Application publication date: 20210205 |