CN111621157A - Production process of high-temperature vulcanized phenyl silicone rubber with double phenyl chain links - Google Patents
Production process of high-temperature vulcanized phenyl silicone rubber with double phenyl chain links Download PDFInfo
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- CN111621157A CN111621157A CN202010577306.9A CN202010577306A CN111621157A CN 111621157 A CN111621157 A CN 111621157A CN 202010577306 A CN202010577306 A CN 202010577306A CN 111621157 A CN111621157 A CN 111621157A
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- 229920002379 silicone rubber Polymers 0.000 title claims abstract description 28
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 title claims abstract description 26
- 239000004945 silicone rubber Substances 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 229920002545 silicone oil Polymers 0.000 claims abstract description 28
- 239000003054 catalyst Substances 0.000 claims abstract description 23
- 239000000178 monomer Substances 0.000 claims abstract description 18
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 7
- 239000001257 hydrogen Substances 0.000 claims abstract description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 7
- -1 methylphenyl hydrogen Chemical compound 0.000 claims abstract description 7
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 6
- 230000018044 dehydration Effects 0.000 claims abstract description 6
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims abstract description 6
- 238000007151 ring opening polymerisation reaction Methods 0.000 claims abstract description 6
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 21
- 229920002554 vinyl polymer Polymers 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 7
- 235000010290 biphenyl Nutrition 0.000 claims description 6
- 239000004305 biphenyl Substances 0.000 claims description 6
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 6
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 5
- 125000006267 biphenyl group Chemical group 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 5
- RCNRJBWHLARWRP-UHFFFAOYSA-N ethenyl-[ethenyl(dimethyl)silyl]oxy-dimethylsilane;platinum Chemical compound [Pt].C=C[Si](C)(C)O[Si](C)(C)C=C RCNRJBWHLARWRP-UHFFFAOYSA-N 0.000 claims description 2
- WMGXSRPANDQJNK-UHFFFAOYSA-N platinum;propan-2-ol Chemical compound [Pt].CC(C)O WMGXSRPANDQJNK-UHFFFAOYSA-N 0.000 claims description 2
- DFQPZDGUFQJANM-UHFFFAOYSA-M tetrabutylphosphanium;hydroxide Chemical compound [OH-].CCCC[P+](CCCC)(CCCC)CCCC DFQPZDGUFQJANM-UHFFFAOYSA-M 0.000 claims description 2
- 238000004073 vulcanization Methods 0.000 abstract description 8
- 230000006837 decompression Effects 0.000 abstract 2
- 238000007334 copolymerization reaction Methods 0.000 abstract 1
- 125000003944 tolyl group Chemical group 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 3
- HIHIPCDUFKZOSL-UHFFFAOYSA-N ethenyl(methyl)silicon Chemical compound C[Si]C=C HIHIPCDUFKZOSL-UHFFFAOYSA-N 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000003060 catalysis inhibitor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 229920001558 organosilicon polymer Polymers 0.000 description 1
- XJWOWXZSFTXJEX-UHFFFAOYSA-N phenylsilicon Chemical compound [Si]C1=CC=CC=C1 XJWOWXZSFTXJEX-UHFFFAOYSA-N 0.000 description 1
- 229920003216 poly(methylphenylsiloxane) Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
- C08G77/08—Preparatory processes characterised by the catalysts used
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
-
- 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)
- Physics & Mathematics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Silicon Polymers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A production process of diphenyl-chain-link high-temperature vulcanized phenyl silicone rubber comprises the steps of adding octamethylcyclotetrasiloxane, a methylvinylcyclosiloxane monomer and a methylphenyl cyclosiloxane monomer into a polymerization reaction kettle, adding an end-capping agent into the polymerization monomer subjected to decompression and dehydration, carrying out ring-opening copolymerization reaction under the action of a catalyst, removing the catalyst through heating decomposition or filtration after the copolymerization reaction is finished, removing low-molecular compounds at high temperature under decompression, cooling to room temperature, mixing with a cross-linking agent, methylphenyl hydrogen-containing silicone oil and a platinum complex catalyst, rolling down after uniform mixing, continuing one-stage vulcanization and two-stage vulcanization and forming to prepare the diphenyl-chain-link high-temperature vulcanized phenyl silicone rubber. The invention has simple process, is suitable for industrialized popularization, and the product has excellent thermal stability, high breaking strength, irradiation resistance, stable performance and wide application range.
Description
Technical Field
The invention relates to the technical field of organic silicon polymers, in particular to a production process of diphenyl-chain-link high-temperature vulcanized phenyl silicone rubber.
Background
The radiation resistance of silicone rubber is becoming more important due to its wide application in aerospace, nuclear power plants, military and other fields. The properties of silicone rubber are determined primarily by the green structure. According to the different phenyl content, the silicon rubber can be divided into low phenyl, middle phenyl and high phenyl silicon rubber. Low phenyl silicone rubber combines the advantages of methyl vinyl silicone rubber and is also not costly, and thus tends to replace methyl vinyl silicone rubber. They can be classified into methyl-terminated, hydroxyl-terminated, vinyl-terminated methylphenyl silicone oil, and the like according to the terminal group. The existing vinyl silicone oil used for silicone rubber has poor storage stability and can not meet the market demand.
Disclosure of Invention
The invention aims to provide a production process of diphenyl-chain-link high-temperature vulcanized phenyl silicone rubber, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a production process of diphenyl-chain-link high-temperature vulcanized phenyl silicone rubber comprises the following steps:
1) adding 30 parts of octamethylcyclotetrasiloxane, 50-60 parts of methylvinylcyclosiloxane monomer and 20-25 parts of methylphenylcyclosiloxane monomer into a polymerization reaction kettle, vacuumizing at 60-90 ℃, keeping the vacuum degree of-0.1-0.091 MPa, and stirring and dehydrating under the protection of inert gas for 2-5 hours;
2) adding 10-20 parts of end capping agent into the polymerization monomer subjected to reduced pressure dehydration, and carrying out ring-opening copolymerization reaction under the action of 5-8 parts of catalyst; after the polymerization reaction is finished, removing the catalyst by heating decomposition or filtration, removing low molecular compounds at high temperature under reduced pressure, and cooling to room temperature to obtain transparent vinyl silicone oil containing methyl trifluoro propyl siloxane chain links and bis methyl diphenyl epoxy chain links;
3) mixing the transparent vinyl silicone oil obtained in the step 2) with 2-3 parts of cross-linking agent, 5-10 parts of methyl phenyl hydrogen-containing silicone oil and 3-8 parts of platinum complex catalyst, uniformly mixing, rolling and discharging, vulcanizing one end of the transparent vinyl silicone oil on a flat vulcanizing machine at 160-180 ℃ for 30-45 minutes, vulcanizing the other end of the transparent vinyl silicone oil in an oven at 180-190 ℃ for 1-2 hours, and vulcanizing and forming to obtain the diphenyl-chain-link high-temperature vulcanized phenyl silicone rubber.
Preferably, the catalyst in step 2) is one or more of tetramethylammonium hydroxide and tetrabutyl phosphonium hydroxide.
Preferably, the platinum complex catalyst is one or more of 1, 3-divinyl-1, 1,3, 3-tetramethyldisiloxane platinum complex and isopropanol platinum complex.
The invention has simple process, is suitable for industrialized popularization, and the product has excellent thermal stability, high breaking strength, irradiation resistance, stable performance and wide application range.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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:
a production process of diphenyl-chain-link high-temperature vulcanized phenyl silicone rubber comprises the following steps:
(1) adding 30 parts of octamethylcyclotetrasiloxane, 50 parts of methylvinylcyclosiloxane monomer and 20 parts of methylphenylcyclosiloxane monomer into a polymerization reaction kettle, vacuumizing at 60-90 ℃, wherein the vacuum degree is-0.1-0.091 MPa, and stirring and dehydrating under the protection of inert gas for 2 hours;
(2) adding 10 parts of end capping agent into the polymerization monomer subjected to reduced pressure dehydration, and carrying out ring-opening copolymerization reaction under the action of 5 parts of catalyst; after the polymerization reaction is finished, removing the catalyst by heating decomposition or filtration, removing low molecular compounds at high temperature under reduced pressure, and cooling to room temperature to obtain transparent vinyl silicone oil containing methyl trifluoro propyl siloxane chain links and bis methyl diphenyl epoxy chain links;
(3) mixing the transparent vinyl silicone oil obtained in the step 2) with 2 parts of cross-linking agent, 5 parts of methyl phenyl hydrogen-containing silicone oil and 3 parts of platinum complex catalyst, uniformly mixing, rolling and discharging, vulcanizing one end of the transparent vinyl silicone oil on a flat vulcanizing machine at the vulcanization temperature of 160-180 ℃ for 30 minutes, vulcanizing the transparent vinyl silicone oil in a second stage in an oven at the vulcanization temperature of 180-190 ℃ for 1 hour, and vulcanizing and forming to obtain the diphenyl chain link high-temperature vulcanized phenyl silicone rubber.
Example 2:
a production process of diphenyl-chain-link high-temperature vulcanized phenyl silicone rubber comprises the following steps:
1) adding 30 parts of octamethylcyclotetrasiloxane, 55 parts of methylvinylcyclosiloxane monomer and 22 parts of methylphenylcyclosiloxane monomer into a polymerization reaction kettle, vacuumizing at 60-90 ℃, wherein the vacuum degree is-0.1-0.091 MPa, and stirring and dehydrating under the protection of inert gas for 3 hours;
2) adding 15 parts of end capping agent into the polymerization monomer subjected to reduced pressure dehydration, and carrying out ring-opening copolymerization reaction under the action of 6 parts of catalyst; after the polymerization reaction is finished, removing the catalyst by heating decomposition or filtration, removing low molecular compounds at high temperature under reduced pressure, and cooling to room temperature to obtain transparent vinyl silicone oil containing methyl trifluoro propyl siloxane chain links and bis methyl diphenyl epoxy chain links;
3) mixing the transparent vinyl silicone oil obtained in the step 2) with 3 parts of cross-linking agent, 8 parts of methyl phenyl hydrogen-containing silicone oil and 5 parts of platinum complex catalyst, uniformly mixing, rolling and discharging, vulcanizing one end of the transparent vinyl silicone oil on a flat vulcanizing machine at the vulcanization temperature of 160-180 ℃ for 40 minutes, vulcanizing the transparent vinyl silicone oil in a second stage in an oven at the vulcanization temperature of 180-190 ℃ for 2 hours, and vulcanizing and forming to obtain the diphenyl chain link high-temperature vulcanized phenyl silicone rubber.
Example 3:
a production process of diphenyl-chain-link high-temperature vulcanized phenyl silicone rubber comprises the following steps:
1) adding 30 parts of octamethylcyclotetrasiloxane, 60 parts of methylvinylcyclosiloxane monomer and 25 parts of methylphenylcyclosiloxane monomer into a polymerization reaction kettle, vacuumizing at 60-90 ℃, wherein the vacuum degree is-0.1-0.091 MPa, and stirring and dehydrating under the protection of inert gas for 5 hours;
2) adding 20 parts of end capping agent into the polymerization monomer subjected to reduced pressure dehydration, and carrying out ring-opening copolymerization reaction under the action of 8 parts of catalyst; after the polymerization reaction is finished, removing the catalyst by heating decomposition or filtration, removing low molecular compounds at high temperature under reduced pressure, and cooling to room temperature to obtain transparent vinyl silicone oil containing methyl trifluoro propyl siloxane chain links and bis methyl diphenyl epoxy chain links;
3) mixing the transparent vinyl silicone oil obtained in the step 2) with 3 parts of cross-linking agent, 10 parts of methyl phenyl hydrogen-containing silicone oil and 8 parts of platinum complex catalyst, uniformly mixing, rolling and discharging, vulcanizing one end of the transparent vinyl silicone oil on a flat vulcanizing machine at the vulcanization temperature of 160-180 ℃ for 45 minutes, vulcanizing the transparent vinyl silicone oil in a second stage in an oven at the vulcanization temperature of 180-190 ℃ for 2 hours, and vulcanizing and forming to obtain the diphenyl chain link high-temperature vulcanized phenyl silicone rubber.
Comparative example:
100g of octamethylcyclotetrasiloxane, 58.6g of bis-methyl-diphenyl-cyclosiloxane, hexamethyldisiloxane and fumed silica are added into a three-mouth reaction flask equipped with a stirring and reflux condenser and a thermometer, and tetramethylammonium hydroxide alkali gel is added after the temperature is raised to 50 ℃ under stirring. Heating to 95 ℃ and reacting for 3 h; adding 760mg of end-capping agent hexamethyldisiloxane to react for 0.5 h; and then heating the system to 170 ℃ to destroy the catalyst, transferring to vacuum, decompressing and removing micromolecules to obtain colorless transparent silica sol, preparing the colorless transparent silica sol and a cross-linking agent, namely methyl phenyl hydrogen-containing silicone oil and a platinum catalyst inhibitor into A/B glue, uniformly mixing the A/B glue, defoaming in vacuum at room temperature, and vulcanizing and forming to obtain the diphenyl chain link high-temperature vulcanized phenyl silicone rubber.
The mechanical tests of examples 1 to 3 of the present invention and comparative examples were conducted, and the results are shown in Table 1 below
Table 1 results of performance testing
As can be seen from the table above, the diphenyl-chain-segment high-temperature vulcanized phenyl silicone rubber prepared by the invention has excellent mechanical properties, and each property is superior to that of a comparative example.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. A production process of diphenyl-chain-link high-temperature vulcanized phenyl silicone rubber is characterized by comprising the following steps:
(1) adding 30 parts of octamethylcyclotetrasiloxane, 50-60 parts of methylvinylcyclosiloxane monomer and 20-25 parts of methylphenylcyclosiloxane monomer into a polymerization reaction kettle, vacuumizing at 60-90 ℃, keeping the vacuum degree of-0.1-0.091 MPa, and stirring and dehydrating under the protection of inert gas for 2-5 hours;
(2) adding 10-20 parts of end capping agent into the polymerization monomer subjected to reduced pressure dehydration, and carrying out ring-opening copolymerization reaction under the action of 5-8 parts of catalyst; after the polymerization reaction is finished, removing the catalyst by heating decomposition or filtration, removing low molecular compounds at high temperature under reduced pressure, and cooling to room temperature to obtain transparent vinyl silicone oil containing methyl trifluoro propyl siloxane chain links and bis methyl diphenyl epoxy chain links;
(3) mixing the transparent vinyl silicone oil obtained in the step 2) with 2-3 parts of cross-linking agent, 5-10 parts of methyl phenyl hydrogen-containing silicone oil and 3-8 parts of platinum complex catalyst, uniformly mixing, rolling and discharging, vulcanizing one end of the transparent vinyl silicone oil on a flat vulcanizing machine at 160-180 ℃ for 30-45 minutes, vulcanizing the other end of the transparent vinyl silicone oil in an oven at 180-190 ℃ for 1-2 hours, and vulcanizing and forming to obtain the diphenyl-chain-link high-temperature vulcanized phenyl silicone rubber.
2. The process for preparing diphenyl chainring high temperature vulcanized phenyl silicone rubber according to claim 1, wherein the catalyst in step 2) is one or more of tetramethylammonium hydroxide and tetrabutyl phosphonium hydroxide.
3. The process for producing a bis-phenyl-mer high-temperature vulcanized phenyl silicone rubber according to claim 1, wherein the platinum complex catalyst is one or more of 1, 3-divinyl-1, 1,3, 3-tetramethyldisiloxane platinum complex and isopropanol platinum complex.
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| CN202010577306.9A CN111621157A (en) | 2020-06-23 | 2020-06-23 | Production process of high-temperature vulcanized phenyl silicone rubber with double phenyl chain links |
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| CN202010577306.9A CN111621157A (en) | 2020-06-23 | 2020-06-23 | Production process of high-temperature vulcanized phenyl silicone rubber with double phenyl chain links |
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| CN101880396A (en) * | 2010-06-03 | 2010-11-10 | 杭州师范大学 | Preparation method of organic silicon rubber for encapsulating LED being convenient for vacuum defoamation |
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| CN104004191A (en) * | 2014-06-18 | 2014-08-27 | 山东大学 | Fluorosiloxane copolymer and preparing method thereof |
| CN104761912A (en) * | 2015-04-07 | 2015-07-08 | 山东大学 | Damping silicon rubber with relatively small temperature effect and preparation method thereof |
| CN106589380A (en) * | 2016-12-27 | 2017-04-26 | 苏州兴创源新材料科技有限公司 | LCD encapsulation protecting adhesive |
| CN110591098A (en) * | 2019-10-09 | 2019-12-20 | 浙江新安化工集团股份有限公司 | Methyl phenyl vinyl silicone oil and preparation method and application thereof |
-
2020
- 2020-06-23 CN CN202010577306.9A patent/CN111621157A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880396A (en) * | 2010-06-03 | 2010-11-10 | 杭州师范大学 | Preparation method of organic silicon rubber for encapsulating LED being convenient for vacuum defoamation |
| CN102850551A (en) * | 2012-09-25 | 2013-01-02 | 中国工程物理研究院化工材料研究所 | Method for synthesizing methyl monophenyl vinyl high temperature heat vulcanized silicone rubber |
| CN104004191A (en) * | 2014-06-18 | 2014-08-27 | 山东大学 | Fluorosiloxane copolymer and preparing method thereof |
| CN104761912A (en) * | 2015-04-07 | 2015-07-08 | 山东大学 | Damping silicon rubber with relatively small temperature effect and preparation method thereof |
| CN106589380A (en) * | 2016-12-27 | 2017-04-26 | 苏州兴创源新材料科技有限公司 | LCD encapsulation protecting adhesive |
| CN110591098A (en) * | 2019-10-09 | 2019-12-20 | 浙江新安化工集团股份有限公司 | Methyl phenyl vinyl silicone oil and preparation method and application thereof |
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Application publication date: 20200904 |