CN115232556A - Organic silicon composite material resistant to high voltage of 10KV and preparation method thereof - Google Patents
Organic silicon composite material resistant to high voltage of 10KV and preparation method thereof Download PDFInfo
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- CN115232556A CN115232556A CN202210998860.3A CN202210998860A CN115232556A CN 115232556 A CN115232556 A CN 115232556A CN 202210998860 A CN202210998860 A CN 202210998860A CN 115232556 A CN115232556 A CN 115232556A
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- 239000002131 composite material Substances 0.000 title claims abstract description 28
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 20
- 239000010703 silicon Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 229920002545 silicone oil Polymers 0.000 claims abstract description 153
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 82
- 239000000843 powder Substances 0.000 claims abstract description 37
- 239000003054 catalyst Substances 0.000 claims abstract description 33
- 239000002904 solvent Substances 0.000 claims abstract description 30
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 26
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 26
- 239000003063 flame retardant Substances 0.000 claims abstract description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 20
- 239000001257 hydrogen Substances 0.000 claims abstract description 20
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 16
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 15
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 12
- 239000010453 quartz Substances 0.000 claims abstract description 11
- 229910021485 fumed silica Inorganic materials 0.000 claims abstract description 10
- 239000002002 slurry Substances 0.000 claims abstract description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 14
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 11
- 229910000077 silane Inorganic materials 0.000 claims description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical group [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 8
- 229910052697 platinum Inorganic materials 0.000 claims description 7
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 229940008099 dimethicone Drugs 0.000 claims description 5
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 5
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 2
- 239000000347 magnesium hydroxide Substances 0.000 claims description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 2
- 239000012974 tin catalyst Substances 0.000 claims description 2
- 239000011787 zinc oxide Substances 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 239000013535 sea water Substances 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 6
- 239000002253 acid Substances 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 239000004945 silicone rubber Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- OUGKFJZADGTJRG-UHFFFAOYSA-N [SiH4].CC(OC(CCC)=NO)C(COC(CCC)=O)OC(CCC)=O Chemical compound [SiH4].CC(OC(CCC)=NO)C(COC(CCC)=O)OC(CCC)=O OUGKFJZADGTJRG-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- HIHIPCDUFKZOSL-UHFFFAOYSA-N ethenyl(methyl)silicon Chemical compound C[Si]C=C HIHIPCDUFKZOSL-UHFFFAOYSA-N 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 239000004594 Masterbatch (MB) Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 1
- CEGOLXSVJUTHNZ-UHFFFAOYSA-K aluminium tristearate Chemical compound [Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CEGOLXSVJUTHNZ-UHFFFAOYSA-K 0.000 description 1
- 229940063655 aluminum stearate Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- AMTWCFIAVKBGOD-UHFFFAOYSA-N dioxosilane;methoxy-dimethyl-trimethylsilyloxysilane Chemical compound O=[Si]=O.CO[Si](C)(C)O[Si](C)(C)C AMTWCFIAVKBGOD-UHFFFAOYSA-N 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- 229940083037 simethicone Drugs 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on 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; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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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
- 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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Abstract
The invention belongs to the field of organic silicon, and discloses an organic silicon composite material capable of resisting 10KV high voltage, which comprises the following components in parts by weight: 100 parts of quartz powder; 300-350 parts of 107 silicon rubber; 20-25 parts of silicone oil; 5-7 parts of black slurry; 50-60 parts of fumed silica; 40-50 parts of an auxiliary agent; 50-100 parts of a solvent; the silicone oil consists of hydroxyl silicone oil, dimethyl silicone oil and hydrogen-terminated silicone oil; the weight ratio of the hydroxyl silicone oil, the dimethyl silicone oil and the terminal hydrogen-containing silicone oil is as follows: 20-40:5-8:2-3; the auxiliary agent consists of flame retardant powder, a cross-linking agent and a catalyst; the flame retardant powder, the cross-linking agent and the catalyst are in the following weight ratio: 5-15:1-3:0.01-0.05. The material can resist high voltage of 10KV, has excellent seawater corrosion resistance, and also discloses a preparation method of the composite material.
Description
Technical Field
The invention relates to the field of organic silicon, in particular to an organic silicon composite material resistant to 10KV high voltage and a preparation method thereof.
Background
CN201310352301.6 discloses an insulator material and a preparation method thereof, wherein the insulator material comprises the following raw materials in percentage by mass: 43.85 to 55.9 percent of master batch, 44 to 56 percent of precipitation glue and 0.06 to 0.18 percent of aluminum stearate; the master batch comprises the following raw materials in percentage by mass: 25 to 35 percent of methyl vinyl silicone rubber, 25 to 35 percent of silicon micropowder, 35 to 44.5 percent of aluminum hydroxide, 0.1 to 2.5 percent of methyl silicone oil and 0.1 to 1.5 percent of hydrogen-containing silicone oil; the raw materials of the precipitation glue comprise the following components in percentage by mass: 55-70% of methyl vinyl silicone rubber, 25-40% of white carbon black, 1-5% of hydroxyl silicone oil and 0.05-0.5% of stearic acid. The insulator material is environment-friendly, does not pollute the environment, has good physical property, stable voltage resistance, light specific gravity and long storage time, and the voltage bearing capacity can reach 10-35 kv, and the storage time can reach about 1 year.
The existing organosilicon insulating material can improve the breakdown voltage by adding silicon-based powder as a filler to realize the insulating property of more than 10KV, but the acid and alkali resistance of the organosilicon insulating material is weakened after the filler is added.
The project is mainly used in harsh environments, such as cables laid in sewers or seas, which need to have sufficient acid and alkali resistance.
Therefore, the technical problem to be solved by the application is as follows: how the organosilicon material has better acid and alkali resistance while ensuring the insulating capability.
Disclosure of Invention
The invention aims to provide an organic silicon composite material capable of resisting 10KV high voltage, which can resist 10KV high voltage and has excellent seawater corrosion resistance, and meanwhile, the invention also discloses a preparation method of the composite material.
Unless otherwise specified, the% and parts in the present invention are weight percentages and parts.
In order to achieve the purpose, the invention provides the following technical scheme:
an organic silicon composite material capable of resisting 10KV high voltage comprises the following components in parts by weight:
100 parts of quartz powder;
300-350 parts of 107 silicon rubber;
20-25 parts of silicone oil;
5-7 parts of black slurry;
50-60 parts of fumed silica;
40-50 parts of an auxiliary agent;
50-100 parts of a solvent;
the silicone oil consists of hydroxyl silicone oil, dimethyl silicone oil and hydrogen-terminated silicone oil;
the weight ratio of the hydroxyl silicone oil, the dimethyl silicone oil and the terminal hydrogen-containing silicone oil is as follows: 20-40:5-8:2-3;
the auxiliary agent consists of flame retardant powder, a cross-linking agent and a catalyst;
the flame-retardant powder, the cross-linking agent and the catalyst are in the following weight ratio: 5-15:1-3:0.01-0.05;
wherein the hydroxyl silicone oil consists of low-viscosity hydroxyl silicone oil with 1000-1500cps and hydroxyl content of 0.15-0.2% and dihydroxy-terminated hydroxyl silicone oil with viscosity of 20000cps, and the weight ratio of the low-viscosity hydroxyl silicone oil to the high-viscosity hydroxyl silicone oil is 1;
the viscosity of the dimethyl silicone oil is 100-1000cps;
the hydrogen molar content of the hydrogen-terminated silicone oil is 0.3-0.5%;
the cross-linking agent consists of the following components in percentage by weight: 40-60% of methyl tributyl ketoxime silane; 40-60% of tetrabutoxime silane.
In the above-mentioned silicone composite material capable of resisting high voltage of 10KV, the hydroxy silicone oil is composed of low-viscosity hydroxy silicone oil having a hydroxyl content of 0.2% and dihydroxy-terminated hydroxy silicone oil having a viscosity of 20000cps, and the weight ratio of the low-viscosity hydroxy silicone oil to the high-viscosity hydroxy silicone oil is 1.
In the organic silicon composite material capable of resisting high voltage of 10KV, the viscosity of the dimethyl silicone oil is 350cps or 500cps.
In the organic silicon composite material capable of resisting high voltage of 10KV, the flame retardant powder is aluminum hydroxide, magnesium hydroxide or zinc oxide, and the catalyst is a platinum catalyst or an organic tin catalyst.
In the organic silicon composite material capable of resisting high voltage of 10KV, the solvent is a single solvent or a composite solvent, and the solvent is at least one of No. 120, no. 150 and No. 200 solvent oils.
Meanwhile, the invention also discloses a preparation method of the 10KV high voltage resistant organic silicon composite material, which comprises the following steps:
step 1: dehydrating the raw materials to a water content of less than 0.3 wt%;
step 2: adding quartz powder, 107 silicon rubber, hydroxyl silicone oil, dimethyl silicone oil, black slurry, hydrogen-terminated silicone oil, flame retardant powder, fumed silica, a catalyst and a solvent into a planetary barrel, and stirring and dispersing uniformly;
and step 3: adding a cross-linking agent, vacuumizing, and heating to 50-60 ℃; stirring is continued for 1-2h to complete the reaction.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the quartz powder and 107 silicon rubber are matched to realize the improvement of the insulating property of the organic silicon composite material, and meanwhile, the hydroxyl silicone oil, the dimethyl silicone oil and the terminal hydrogen-containing silicone oil are matched, wherein the hydroxyl silicone oil adopts the hydroxyl silicone oil with high viscosity and low viscosity to enable the coating to be more compact, the dimethyl silicone oil has been verified to have certain help for the hardness of the coating in the prior art, and the terminal hydrogen-containing silicone oil is taken as an effective component for blocking a silicone oil polymer, so that a cross-linked network of the silicone oil polymer can show a better seawater corrosion resistant effect.
Detailed Description
Specific embodiments of the present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
An organic silicon composite material resistant to high voltage of 10KV comprises the following components:
100 parts of quartz powder;
320 parts of 107 silicon rubber;
22 parts of silicone oil;
6 parts of black slurry;
55 parts of fumed silica;
45 parts of an auxiliary agent;
75 parts of a solvent;
the silicone oil consists of hydroxyl silicone oil, dimethyl silicone oil and hydrogen-terminated silicone oil;
the weight ratio of the hydroxyl silicone oil, the dimethyl silicone oil and the terminal hydrogen-containing silicone oil is as follows: 30:7:2.5;
the auxiliary agent consists of flame retardant powder, a cross-linking agent and a catalyst;
the flame-retardant powder, the cross-linking agent and the catalyst are in the following weight ratio: 10:2:0.04;
wherein the hydroxyl silicone oil consists of low-viscosity hydroxyl silicone oil with 1000cps and hydroxyl content of 0.2 percent and dihydroxyl-terminated hydroxyl silicone oil with 20000cps, and the weight ratio of the low-viscosity hydroxyl silicone oil to the dihydroxyl-terminated hydroxyl silicone oil is 1; the viscosity of the simethicone is 500cps; the hydrogen molar content of the hydrogen-terminated silicone oil is 0.4 percent; the cross-linking agent consists of the following components in percentage by weight: 50% of methyl tributylketoxime silane; 50% of tetrabutylketoxime silane; the flame-retardant powder is aluminum hydroxide, the catalyst is a platinum catalyst, and the solvent is No. 120 solvent oil.
The preparation method comprises the following steps:
step 1: dehydrating the raw materials to a water content of less than 0.3 wt%;
step 2: adding quartz powder, 107 silicon rubber, hydroxyl silicone oil, dimethyl silicone oil, black slurry, hydrogen-terminated silicone oil, flame retardant powder, fumed silica, a catalyst and a solvent into a planetary barrel, and uniformly stirring and dispersing;
and step 3: adding a cross-linking agent, vacuumizing, and heating to 50-60 ℃; stirring was continued for 1.5h to complete the reaction.
Example 2
An organic silicon composite material capable of resisting high voltage of 10KV comprises the following components:
100 parts of quartz powder;
350 parts of 107 silicon rubber;
20 parts of silicone oil;
7 parts of black slurry;
50 parts of fumed silica;
50 parts of an auxiliary agent;
50 parts of a solvent;
the silicone oil consists of hydroxyl silicone oil, dimethyl silicone oil and hydrogen-terminated silicone oil;
the weight ratio of the hydroxyl silicone oil, the dimethyl silicone oil and the terminal hydrogen-containing silicone oil is as follows: 20:5:3;
the auxiliary agent consists of flame retardant powder, a cross-linking agent and a catalyst;
the flame retardant powder, the cross-linking agent and the catalyst are in the following weight ratio: 5:3:0.02;
wherein the hydroxyl silicone oil consists of low-viscosity hydroxyl silicone oil with 1500cps and hydroxyl content of 0.15 percent and dihydroxyl-terminated hydroxyl silicone oil with 20000cps, and the weight ratio of the low-viscosity hydroxyl silicone oil to the dihydroxyl-terminated hydroxyl silicone oil is 1; the viscosity of the dimethicone was 350cps; the hydrogen molar content of the hydrogen-terminated silicone oil is 0.3 percent; the cross-linking agent consists of the following components in percentage by weight: 50% of methyl tributyrinoxime silane; 50% of tetrabutylketoxime silane; the flame-retardant powder is aluminum hydroxide, the catalyst is a platinum catalyst, and the solvent is No. 120 solvent oil.
Preparation of composite material reference is made to example 1.
Example 3
An organic silicon composite material resistant to high voltage of 10KV comprises the following components:
100 parts of quartz powder;
300 parts of 107 silicon rubber;
25 parts of silicone oil;
5 parts of black slurry;
60 parts of fumed silica;
40 parts of an auxiliary agent;
100 parts of a solvent;
the silicone oil consists of hydroxyl silicone oil, dimethyl silicone oil and hydrogen-terminated silicone oil;
the weight ratio of the hydroxyl silicone oil, the dimethyl silicone oil and the terminal hydrogen-containing silicone oil is as follows: 40:8:2;
the auxiliary agent consists of flame retardant powder, a cross-linking agent and a catalyst;
the flame-retardant powder, the cross-linking agent and the catalyst are in the following weight ratio: 15:1:0.05;
wherein the hydroxyl silicone oil consists of low-viscosity hydroxyl silicone oil with 1500cps and hydroxyl content of 0.15 percent and dihydroxyl-terminated hydroxyl silicone oil with 20000cps, and the weight ratio of the low-viscosity hydroxyl silicone oil to the dihydroxyl-terminated hydroxyl silicone oil is 1; the viscosity of the dimethicone was 1000cps; the hydrogen molar content of the hydrogen-terminated silicone oil is 0.5 percent; the cross-linking agent consists of the following components in percentage by weight: 40% of methyl tributyl ketoxime silane; 60% of tetrabutylketoxime silane; the flame-retardant powder is aluminum hydroxide, the catalyst is a platinum catalyst, and the solvent is No. 120 solvent naphtha.
Example 4
An organic silicon composite material resistant to high voltage of 10KV comprises the following components:
100 parts of quartz powder;
310 parts of 107 silicon rubber;
24 parts of silicone oil;
6 parts of black slurry;
53 parts of fumed silica;
48 parts of an auxiliary agent;
60 parts of a solvent;
the silicone oil consists of hydroxyl silicone oil, dimethyl silicone oil and hydrogen-terminated silicone oil;
the weight ratio of the hydroxyl silicone oil, the dimethyl silicone oil and the terminal hydrogen-containing silicone oil is as follows: 35:6:2.5;
the auxiliary agent consists of flame retardant powder, a cross-linking agent and a catalyst;
the flame-retardant powder, the cross-linking agent and the catalyst are in the following weight ratio: 8:2.5:0.02.
wherein the hydroxyl silicone oil consists of low-viscosity hydroxyl silicone oil with 1000cps and hydroxyl content of 0.2 percent and dihydroxyl terminated hydroxyl silicone oil with viscosity of 20000cps, and the weight ratio of the low-viscosity hydroxyl silicone oil to the dihydroxyl terminated hydroxyl silicone oil is 1; the viscosity of the dimethicone is 500cps; the hydrogen molar content of the hydrogen-terminated silicone oil is 0.3 percent; the cross-linking agent consists of the following components in percentage by weight: 60% of methyl tributyrinoxime silane; 40% of tetrabutylketoxime silane; the flame-retardant powder is aluminum hydroxide, the catalyst is a platinum catalyst, and the solvent is No. 150 solvent oil.
Example 5
An organic silicon composite material resistant to high voltage of 10KV comprises the following components:
100 parts of quartz powder;
340 parts of 107 silicon rubber;
21 parts of silicone oil;
6 parts of black slurry;
58 parts of fumed silica;
43 parts of an auxiliary agent;
80 parts of a solvent;
the silicone oil consists of hydroxyl silicone oil, dimethyl silicone oil and hydrogen-terminated silicone oil;
the weight ratio of the hydroxyl silicone oil, the dimethyl silicone oil and the terminal hydrogen-containing silicone oil is as follows: 25:7:2.5;
the auxiliary agent consists of flame retardant powder, a cross-linking agent and a catalyst;
the flame retardant powder, the cross-linking agent and the catalyst are in the following weight ratio: 12:1.5:0.04.
wherein the hydroxyl silicone oil consists of low-viscosity hydroxyl silicone oil with 1000cps and hydroxyl content of 0.2 percent and dihydroxyl terminated hydroxyl silicone oil with viscosity of 20000cps, and the weight ratio of the low-viscosity hydroxyl silicone oil to the dihydroxyl terminated hydroxyl silicone oil is 1; the viscosity of the dimethicone was 350cps; the hydrogen molar content of the hydrogen-terminated silicone oil is 0.3 percent; the cross-linking agent consists of the following components in percentage by weight: 60% of methyl tributyrinoxime silane; 40% of tetrabutylketoxime silane; the flame-retardant powder is aluminum hydroxide, the catalyst is a platinum catalyst, and the solvent is No. 150 solvent naphtha.
Comparative example 1
The process steps and the formula are substantially the same as those of the example 1, except that the silicone oil consists of hydroxyl silicone oil and terminal hydrogen-containing silicone oil, and the components are as follows:
the proportion of the hydroxyl silicone oil and the terminal hydrogen-containing silicone oil is as follows: 30:2.5.
comparative example 2
The process steps and formulation were substantially the same as in example 1, except that methyl vinyl silicone rubber was used in place of the 107 silicone rubber.
Performance testing
The films of example 1, example 4, comparative example 1 and comparative example 2 were coated and tested for hardness, acid and alkali resistance and high pressure resistance.
The test results are shown in Table 1 below
Table 1: test results of examples 1 and 2 and comparative examples 1 and 2
The following conclusions can be drawn from the tests of the above examples and comparative examples:
1. according to the invention, the hydroxyl silicone oil, the dimethyl silicone oil and the hydrogen-terminated silicone oil are matched, wherein the hydroxyl silicone oil with high viscosity and low viscosity is adopted to enable the coating to be more compact, and certain contribution is made to the corrosion resistance;
2. the hydrogen-terminated silicone oil is an effective component for blocking the silicone oil polymer, so that a cross-linked network of the silicone oil polymer can show a better corrosion resistance effect.
3.107 silicon rubber is matched with hydroxyl silicone oil, dimethyl silicone oil and hydrogen-terminated silicone oil, so that good paint film hardness can be ensured.
Claims (6)
1. The organic silicon composite material capable of resisting 10KV high voltage is characterized by comprising the following components in parts by weight:
the silicone oil consists of hydroxyl silicone oil, dimethyl silicone oil and hydrogen-terminated silicone oil;
the weight ratio of the hydroxyl silicone oil, the dimethyl silicone oil and the terminal hydrogen-containing silicone oil is as follows: 20-40:5-8:2-3;
the auxiliary agent consists of flame retardant powder, a cross-linking agent and a catalyst;
the flame retardant powder, the cross-linking agent and the catalyst are in the following weight ratio: 5-15:1-3:0.01-0.05;
wherein the hydroxyl silicone oil consists of low-viscosity hydroxyl silicone oil with 1000-1500cps and hydroxyl content of 0.15-0.2% and dihydroxy-terminated hydroxyl silicone oil with viscosity of 20000cps, and the weight ratio of the low-viscosity hydroxyl silicone oil to the high-viscosity hydroxyl silicone oil is 1;
the viscosity of the dimethyl silicone oil is 100-1000cps;
the hydrogen molar content of the hydrogen-terminated silicone oil is 0.3-0.5%;
the cross-linking agent consists of the following components in percentage by weight: 40-60% of methyl tributyl ketoxime silane; 40-60% of tetrabutoxime silane.
2. The silicone composite according to claim 1, wherein the hydroxyl silicone oil consists of a low-viscosity hydroxyl silicone oil having a hydroxyl content of 0.2% and a bishydroxy-terminated hydroxyl silicone oil having a viscosity of 20000cps, the weight ratio of the low-viscosity hydroxyl silicone oil to the high-viscosity hydroxyl silicone oil being 1.
3. The silicone composite material according to claim 1, wherein the dimethicone has a viscosity of 350cps or 500cps.
4. The organosilicon composite material capable of resisting high voltage of 10KV as claimed in claim 1, wherein the flame retardant powder is aluminum hydroxide, magnesium hydroxide or zinc oxide, and the catalyst is platinum catalyst or organic tin catalyst.
5. The silicone composite material capable of resisting high voltage of 10KV according to claim 1, wherein the solvent is a single solvent or a composite solvent, and the solvent is at least one of solvent oil No. 120, 150, 200.
6. A method for preparing the silicone composite material of any one of claims 1 to 5, which is resistant to high voltage of 10KV, comprising the steps of:
step 1: dehydrating the raw materials to a water content of less than 0.3 wt%;
step 2: adding quartz powder, 107 silicon rubber, hydroxyl silicone oil, dimethyl silicone oil, black slurry, hydrogen-terminated silicone oil, flame retardant powder, fumed silica, a catalyst and a solvent into a planetary barrel, and stirring and dispersing uniformly;
and step 3: adding a cross-linking agent, vacuumizing, and heating to 50-60 ℃; stirring is continued for 1-2h to complete the reaction.
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