CN113583264A - Cross-linking vulcanization method of silicone rubber - Google Patents
Cross-linking vulcanization method of silicone rubber Download PDFInfo
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- CN113583264A CN113583264A CN202110780199.4A CN202110780199A CN113583264A CN 113583264 A CN113583264 A CN 113583264A CN 202110780199 A CN202110780199 A CN 202110780199A CN 113583264 A CN113583264 A CN 113583264A
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- 238000004132 cross linking Methods 0.000 title claims abstract description 36
- 229920002379 silicone rubber Polymers 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004073 vulcanization Methods 0.000 title claims abstract description 14
- 239000004945 silicone rubber Substances 0.000 title claims description 25
- 239000003054 catalyst Substances 0.000 claims abstract description 36
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims abstract description 32
- HZVOZRGWRWCICA-UHFFFAOYSA-N methanediyl Chemical compound [CH2] HZVOZRGWRWCICA-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 30
- 229910052707 ruthenium Inorganic materials 0.000 claims abstract description 30
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims abstract description 29
- 239000000945 filler Substances 0.000 claims abstract description 27
- -1 cyclic olefin Chemical class 0.000 claims abstract description 26
- 229920001971 elastomer Polymers 0.000 claims abstract description 21
- 229920002545 silicone oil Polymers 0.000 claims abstract description 21
- 239000005060 rubber Substances 0.000 claims abstract description 19
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 16
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims abstract description 6
- 239000000178 monomer Substances 0.000 claims abstract description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 11
- ZRPFJAPZDXQHSM-UHFFFAOYSA-L 1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazole;dichloro-[(2-propan-2-yloxyphenyl)methylidene]ruthenium Chemical compound CC(C)OC1=CC=CC=C1C=[Ru](Cl)(Cl)=C1N(C=2C(=CC(C)=CC=2C)C)CCN1C1=C(C)C=C(C)C=C1C ZRPFJAPZDXQHSM-UHFFFAOYSA-L 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 238000011049 filling Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000006229 carbon black Substances 0.000 claims description 7
- HECLRDQVFMWTQS-UHFFFAOYSA-N Dicyclopentadiene Chemical compound C1C2C3CC=CC3C1C=C2 HECLRDQVFMWTQS-UHFFFAOYSA-N 0.000 claims description 4
- FCDPQMAOJARMTG-UHFFFAOYSA-M benzylidene-[1,3-bis(2,4,6-trimethylphenyl)imidazolidin-2-ylidene]-dichlororuthenium;tricyclohexylphosphanium Chemical compound C1CCCCC1[PH+](C1CCCCC1)C1CCCCC1.CC1=CC(C)=CC(C)=C1N(CCN1C=2C(=CC(C)=CC=2C)C)C1=[Ru](Cl)(Cl)=CC1=CC=CC=C1 FCDPQMAOJARMTG-UHFFFAOYSA-M 0.000 claims description 4
- 239000004913 cyclooctene Substances 0.000 claims description 4
- 239000011987 hoveyda–grubbs catalyst Substances 0.000 claims description 4
- 230000002209 hydrophobic effect Effects 0.000 claims description 4
- 239000011986 second-generation catalyst Substances 0.000 claims description 4
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- 229920005601 base polymer Polymers 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
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- PNPBGYBHLCEVMK-UHFFFAOYSA-N benzylidene(dichloro)ruthenium;tricyclohexylphosphanium Chemical compound Cl[Ru](Cl)=CC1=CC=CC=C1.C1CCCCC1[PH+](C1CCCCC1)C1CCCCC1.C1CCCCC1[PH+](C1CCCCC1)C1CCCCC1 PNPBGYBHLCEVMK-UHFFFAOYSA-N 0.000 claims description 2
- URYYVOIYTNXXBN-UPHRSURJSA-N cyclooctene Chemical compound C1CCC\C=C/CC1 URYYVOIYTNXXBN-UPHRSURJSA-N 0.000 claims description 2
- 239000011985 first-generation catalyst Substances 0.000 claims description 2
- 239000003446 ligand Substances 0.000 claims description 2
- JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 238000007152 ring opening metathesis polymerisation reaction Methods 0.000 abstract description 8
- 229920000642 polymer Polymers 0.000 abstract description 6
- 150000001336 alkenes Chemical group 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 125000000522 cyclooctenyl group Chemical group C1(=CCCCCCC1)* 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 125000003518 norbornenyl group Chemical group C12(C=CC(CC1)C2)* 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910002808 Si–O–Si Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000006459 hydrosilylation reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 150000004053 quinones Chemical class 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229940024463 silicone emollient and protective product Drugs 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2383/00—Characterised by the use 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; Derivatives of such polymers
- C08J2383/04—Polysiloxanes
- C08J2383/07—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
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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)
Abstract
The invention discloses a cross-linking vulcanization method of silicon rubber, which comprises the following raw materials of 40-41 parts by weight of base rubber; 12-13 parts of a crosslinking agent; 45-46 parts of filler and 0.5-1.0 part of ruthenium carbene catalyst; the silicone oil containing terminal vinyl is taken as a basic polymer, cyclic olefin is taken as a crosslinking monomer, and the crosslinking of polysiloxane units is realized through olefin ring-opening metathesis polymerization (ROMP) under the action of a ruthenium carbene catalyst. The method uses fewer components and cheaper catalysts, has the advantages of simple formula, convenient operation, greenness, safety, high efficiency and environmental protection, and is suitable for industrial production.
Description
Technical Field
The invention relates to the technical field of silicon rubber manufacturing, in particular to a cross-linking vulcanization method of silicon rubber.
Background
All substances that can undergo a vulcanization reaction or crosslink with rubber are collectively referred to as vulcanizing agents, also known as crosslinking agents. There are many kinds of crosslinking agents (vulcanizing agents), and there are increasing vulcanizing agents which have been used sulfur, selenium, tellurium, sulfur-containing compounds, metal oxides, peroxides, resins, quinones, amines, and the like.
Silicone rubber is one of the most important silicone products, and its excellent properties are mainly derived from the chemical structure of linear polysiloxane, i.e., excellent thermal oxidation stability, weather resistance, and good electrical properties due to the main chain consisting of Si-O-Si bonds. Silicone rubbers are mainly classified into two types, a condensation reaction type silicone rubber and an addition reaction type silicone rubber, according to the vulcanization mechanism. The condensed silicone rubber is prepared by using hydroxy-terminated polydimethylsiloxane as a basic polymer, mixing with a multifunctional cross-linking agent, a catalyst, a filler and an additive, and then performing moisture absorption and cross-linking at room temperature to obtain an elastomer; the addition type silicone rubber takes silicone oil with vinyl at the end as a basic polymer, takes hydrogen-containing polysiloxane as a cross-linking agent, and generates hydrosilation reaction under the action of a platinum catalyst to cross-link into an elastomer. The above two crosslinking methods often have the disadvantages of more components of crosslinking compounding agents, higher temperature, complicated operation, partial side reaction and the like.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the cross-linking vulcanization method of the silicone rubber, which has simple process operation and low cost.
The technical scheme for solving the problems comprises the following steps: a cross-linking vulcanization method of silicon rubber comprises the following raw materials, by weight, 40-41 parts of base rubber; 12-13 parts of a crosslinking agent; 45-46 parts of filler and 0.5-1.0 part of ruthenium carbene catalyst;
the basic adhesive is a basic polymer which is silicone oil (polysiloxane) with vinyl at the tail end, the viscosity of the silicone oil (polysiloxane) with vinyl at the tail end is 500-10000mPa.s, and the vinyl content is 0.5-1.0%;
the cross-linking agent is cyclic olefin and comprises one of cyclopentadiene dimer, norbornene and cyclooctene;
the filler comprises one or more of silica micropowder, precipitated white carbon black, hydrophobic gas-phase white carbon black, kaolin and mica powder;
the ruthenium carbene catalyst is a ruthenium metal complex containing a carbene ligand and comprises one of Grubbs first-generation catalyst (CAS number 172222-30-9), Grubbs second-generation catalyst (CAS number 246047-72-3) and Hoveyda-Grubbs catalyst (CAS number 301224-40-8);
the cross-linking vulcanization method of the silicone rubber is that silicone oil (polysiloxane) with vinyl at the tail end is used as a basic polymer, cyclic olefin is used as a cross-linking monomer, and the cross-linking of a polysiloxane unit is realized through olefin ring-opening metathesis polymerization (ROMP) under the action of a ruthenium carbene catalyst;
the method specifically comprises the following steps: the base rubber, the filler and the cross-linking agent are quickly stirred for 30 minutes in a planetary stirrer according to the proportion. And then adding a ruthenium carbene catalyst into the stirrer, starting stirring, heating to 50-70 ℃, reacting for 1 hour, cooling and filling after the reaction is finished.
The invention has the following beneficial effects:
the invention provides a cross-linking vulcanization method of silicone rubber, which takes silicone oil containing terminal vinyl as a basic polymer and cyclic olefin as a cross-linking monomer, and realizes cross-linking of polysiloxane units by ring-opening metathesis polymerization (ROMP) of olefin under the action of a ruthenium carbene catalyst. The method uses fewer components and cheaper catalysts, has the advantages of simple formula, convenient operation, greenness, safety, high efficiency and environmental protection, and is suitable for industrial production.
Drawings
FIG. 1 is a schematic diagram of the reaction of the present invention.
Detailed Description
As shown in fig. 1, a cross-linking vulcanization method of silicone rubber, which uses silicone oil (polysiloxane) containing vinyl at the terminal as a base polymer, cyclic olefin as a cross-linking monomer, and realizes cross-linking of polysiloxane units through olefin ring-opening metathesis polymerization (ROMP) under the action of ruthenium carbene catalyst.
The first embodiment is as follows:
a silicone rubber cross-linking (vulcanizing) method takes the following substances as raw materials in percentage by weight: 40% of base rubber; 13% of a cross-linking agent; 46% of filler and 1.0% of ruthenium carbene catalyst.
The viscosity of the silicone oil (polysiloxane) having a vinyl group at the terminal was 10000mpa.s, and the vinyl group content was 1.0%.
The cross-linking agent is cyclopentadiene dimer.
The filler is silicon micropowder.
The ruthenium carbene catalyst is a Grubbs one generation catalyst (CAS number 172222-30-9).
The specific preparation process comprises the following steps: and (3) rapidly stirring the vinyl silicone oil at the end of the base rubber, the filler and the cross-linking agent in a planetary stirrer for 30 minutes according to the proportion. And then adding a ruthenium carbene catalyst into the stirrer, starting stirring, heating to 50 ℃, reacting for 1 hour, cooling and filling after the reaction is finished.
Example two:
a silicone rubber cross-linking (vulcanizing) method takes the following substances as raw materials in percentage by weight: 41% of base rubber; 13% of a cross-linking agent; 45.5 percent of filler and 0.5 percent of ruthenium carbene catalyst.
The viscosity of the silicone oil (polysiloxane) having a vinyl group at the terminal was 500mpa.s, and the vinyl group content was 1.0%.
The cross-linking agent is norbornene.
The filler is precipitated white carbon black.
The ruthenium carbene catalyst is a Grubbs' second generation catalyst (CAS number 246047-72-3).
The specific preparation process comprises the following steps: and (3) rapidly stirring the vinyl silicone oil at the end of the base rubber, the filler and the cross-linking agent in a planetary stirrer for 30 minutes according to the proportion. And then adding a ruthenium carbene catalyst into the stirrer, starting stirring, heating to 70 ℃, reacting for 1 hour, cooling and filling after the reaction is finished.
Example three:
a silicone rubber cross-linking (vulcanizing) method takes the following substances as raw materials in percentage by weight: 41% of base rubber; 13% of a cross-linking agent; 45% of filler and 1% of ruthenium carbene catalyst.
The viscosity of the silicone oil (polysiloxane) having a vinyl group at the terminal was 1000mpa.s, and the vinyl group content was 1.0%.
The cross-linking agent is cyclooctene.
The filler is hydrophobic gas phase white carbon black.
The ruthenium carbene catalyst is a Hoveyda-Grubbs catalyst (CAS number 301224-40-8).
The specific preparation process comprises the following steps: and (3) rapidly stirring the vinyl silicone oil at the end of the base rubber, the filler and the cross-linking agent in a planetary stirrer for 30 minutes according to the proportion. And then adding a ruthenium carbene catalyst into the stirrer, starting stirring, heating to 60 ℃, reacting for 1 hour, cooling and filling after the reaction is finished.
Example four:
a silicone rubber cross-linking (vulcanizing) method takes the following substances as raw materials in percentage by weight: 41% of base rubber; 12% of a cross-linking agent; 46% of filler and 1.0% of ruthenium carbene catalyst.
The viscosity of the silicone oil (polysiloxane) having a vinyl group at the terminal was 8000mpa.s, and the vinyl group content was 1.0%.
The cross-linking agent is cyclopentadiene dimer.
The filler is kaolin.
The ruthenium carbene catalyst is a Grubbs one generation catalyst (CAS number 172222-30-9).
The specific preparation process comprises the following steps: and (3) rapidly stirring the vinyl silicone oil at the end of the base rubber, the filler and the cross-linking agent in a planetary stirrer for 30 minutes according to the proportion. And then adding a ruthenium carbene catalyst into the stirrer, starting stirring, heating to 50 ℃, reacting for 1 hour, cooling and filling after the reaction is finished.
Example five:
a silicone rubber cross-linking (vulcanizing) method takes the following substances as raw materials in percentage by weight: 41% of base rubber; 13% of a cross-linking agent; 45.5 percent of filler and 0.5 percent of ruthenium carbene catalyst.
The viscosity of the silicone oil (polysiloxane) having a vinyl group at the terminal was 2500mpa.s, and the vinyl group content was 1.0%.
The cross-linking agent is norbornene.
The filler is mica powder.
The ruthenium carbene catalyst is a Grubbs' second generation catalyst (CAS number 246047-72-3).
The specific preparation process comprises the following steps: and (3) rapidly stirring the vinyl silicone oil at the end of the base rubber, the filler and the cross-linking agent in a planetary stirrer for 30 minutes according to the proportion. And then adding a ruthenium carbene catalyst into the stirrer, starting stirring, heating to 70 ℃, reacting for 1 hour, cooling and filling after the reaction is finished.
Example six:
a silicone rubber cross-linking (vulcanizing) method takes the following substances as raw materials in percentage by weight: 41% of base rubber; 13% of a cross-linking agent; 45% of filler and 1% of ruthenium carbene catalyst.
The viscosity of the silicone oil (polysiloxane) having a vinyl group at the terminal was 5000mpa.s, and the vinyl group content was 1.0%.
The cross-linking agent is cyclooctene.
The filler is hydrophobic gas phase white carbon black.
The ruthenium carbene catalyst is a Hoveyda-Grubbs catalyst (CAS number 301224-40-8).
The specific preparation process comprises the following steps: and (3) rapidly stirring the vinyl silicone oil at the end of the base rubber, the filler and the cross-linking agent in a planetary stirrer for 30 minutes according to the proportion. And then adding a ruthenium carbene catalyst into the stirrer, starting stirring, heating to 60 ℃, reacting for 1 hour, cooling and filling after the reaction is finished.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (7)
1. A cross-linking vulcanization method of silicone rubber is characterized in that: the raw materials comprise 40-41 parts of base rubber by weight; 12-13 parts of a crosslinking agent; 45-46 parts of filler and 0.5-1.0 part of ruthenium carbene catalyst;
the cross-linking vulcanization method of the silicone rubber is characterized in that the base rubber is used as a base polymer, a cross-linking agent is used as a cross-linking monomer, and cross-linking of a polysiloxane unit is realized through a filler under the action of a ruthenium carbene catalyst.
2. The method for cross-linking and vulcanizing a silicone rubber according to claim 1, wherein: the method specifically comprises the following steps: the base rubber, the filler and the cross-linking agent are quickly stirred for 30 minutes in a planetary stirrer according to the proportion. And then adding a ruthenium carbene catalyst into the stirrer, starting stirring, heating to 50-70 ℃, reacting for 1 hour, cooling and filling after the reaction is finished.
3. The method for cross-linking and vulcanizing a silicone rubber according to claim 1, wherein: the base adhesive is a silicone oil (polysiloxane) with a vinyl group at the terminal as a base polymer.
4. A method of cross-linking vulcanization of silicone rubber as set forth in claim 3, characterized in that: the viscosity of the silicone oil (polysiloxane) containing vinyl at the terminal is 500-10000mPa.s, and the vinyl content is 0.5-1.0%.
5. The method for cross-linking and vulcanizing a silicone rubber according to claim 1, wherein: the cross-linking agent is cyclic olefin and comprises one of cyclopentadiene dimer, norbornene and cyclooctene.
6. The method for cross-linking and vulcanizing a silicone rubber according to claim 1, wherein: the filler comprises one or more of silica micropowder, precipitated white carbon black, hydrophobic gas-phase white carbon black, kaolin and mica powder.
7. The method for cross-linking and vulcanizing a silicone rubber according to claim 1, wherein: the ruthenium carbene catalyst is a ruthenium metal complex containing a carbene ligand, and comprises one of Grubbs first-generation catalyst (CAS number 172222-30-9), Grubbs second-generation catalyst (CAS number 246047-72-3) and Hoveyda-Grubbs catalyst (CAS number 301224-40-8).
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2021
- 2021-07-09 CN CN202110780199.4A patent/CN113583264A/en active Pending
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