CN105400206A - Deketoxime type single-component room-temperature vulcanized silicone rubber - Google Patents
Deketoxime type single-component room-temperature vulcanized silicone rubber Download PDFInfo
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- CN105400206A CN105400206A CN201510892081.5A CN201510892081A CN105400206A CN 105400206 A CN105400206 A CN 105400206A CN 201510892081 A CN201510892081 A CN 201510892081A CN 105400206 A CN105400206 A CN 105400206A
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Abstract
The invention discloses deketoxime type single-component room-temperature vulcanized silicone rubber which is prepared from hydroxyl-terminated polymethyl alkyl siloxane, a crosslinking agent, a silane coupling agent, polybutylene, accelerant, white carbon black and nanometer calcium carbonate. Hydroxyl-terminated polymethyl alkyl siloxane serves as the basic polymer, and trifunctionarity butyl ketone oxime silane serves as the crosslinking agent; with the aid of the mode that a mixture is prepared from the silane coupling agent, accelerant, polybutylene, white carbon black and nanometer calcium carbonate, the deketoxime type single-component room-temperature vulcanized silicone rubber is provided and has the advantages of being capable of being cured at a room temperature, high in curing speed, high in adhesion and free of corrosion to metal.
Description
Technical field
The present invention relates to adhesive applications technical field, espespecially a kind of ketoxime removing type single-component room-temperature vulcanized silicone rubber.
Background technology
Room temperature vulcanized silicone rubber has excellent Weatherproof ageing-resistant performance, it is every wet preservation after being mixed by all components, in use, sizing material runs into the moisture crosslinking curing elastomer-forming in air, easy to use, there is good glued seals to metal, glass, pottery, concrete etc., be widely used in every profession and trade.Because polysiloxane can pass through visible ray and UV-light, there is the characteristics such as excellent resistance to ozone, corona-resistant, antioxygen atom and plasma body, these are not available for a lot of organic polymer, therefore, in electron trade, room temperature vulcanized silicone rubber, because of performances such as its insulation, waterproof, protection against the tide and sealings, is the desirable coating of electrical equipment and electronic component, perfusion, cast and moulding material.
Summary of the invention
A kind of ketoxime removing type single-component room-temperature vulcanized silicone rubber of the present invention, it is characterized in that: adopt polymkeric substance based on hydroxy-end capped poly-methyl alkyl siloxanes, trifunctional Diacetylmonoxime silane is linking agent, be aided with the mode that silane coupling agent, promotor, polybutene, white carbon black and nano-calcium carbonate form mixed thing, a kind of ketoxime removing type single-component room-temperature vulcanized silicone rubber is provided.
To achieve these goals, technical solution of the present invention is: a kind of ketoxime removing type single-component room-temperature vulcanized silicone rubber comprises hydroxy-end capped poly-methyl alkyl siloxanes, linking agent, silane coupling agent, polybutene, promotor, white carbon black and nano-calcium carbonate, and each component and mass parts thereof are:
Hydroxy-end capped poly-methyl alkyl siloxanes 60 ~ 70 parts
Linking agent 8 ~ 12 parts
Silane coupling agent 1 ~ 2 part
Polybutene 4 ~ 7 parts
Promotor 0.01 ~ 0.1 part
White carbon black 5 ~ 10 parts
Nano-calcium carbonate 15 ~ 20 parts
Further, described hydroxy-end capped poly-methyl alkyl siloxanes has (MeRSiO)
nthe polymkeric substance of H chemical structure, wherein Me is CH
3-, R is CH
3-, CF
3cH
2cH
2-or C
6h
5-, n is integer, and its relative molecular weight is 10000 ~ 50000;
Described linking agent preferred phenyl three Diacetylmonoxime silane, methyl three Diacetylmonoxime silane, four Diacetylmonoxime silane and vinyl three Diacetylmonoxime silane;
The preferred γ-aminopropyl triethoxysilane of described silane coupling agent
,β-aminoethyl γ-aminopropyltrimethoxysilane, two-(3-trimethoxy silicon propyl group) amine and γ-aminopropyltriethoxy diethoxy silane;
Described promotor preferably octanoic acid sub-tin, tin dilaurate dioctyl tin, dibutyltin diacetate, three (thylhexoic acid) Monobutyltin and dibutyltin oxides;
The preferred specific surface area of described white carbon black is 200m
2the precipitated silica of/g or specific surface area are 380m
2the gas-phase silica of/g;
Described nano-calcium carbonate preferable particle size is the nano-calcium carbonate of 40 ~ 70nm.
Preparation method of the present invention is: with in the mixing vessel of high speed agitator, add hydroxy-end capped poly-methyl alkyl siloxanes 60 ~ 70 parts and polybutene 4 ~ 7 parts, open stirring to make it to mix, add white carbon black 5 ~ 10 parts and nano-calcium carbonate 15 ~ 20 parts again, continue to stir, each component is again made to mix, afterwards by mixture on three-roller mixing 2 times, mixing material is put in stainless steel heating kettle, slowly be warming up to 160 DEG C ~ 170 DEG C, be evacuated to below 0.1MPa to keep 3 ~ 4 hours, remove moisture, be cooled to add linking agent 8 ~ 12 parts after below 30 DEG C, silane coupling agent 1 ~ 2 part and promotor 0.01 ~ 0.1 part, under nitrogen protection, airtight preservation after stirring makes mixing of materials evenly, obtain ketoxime removing type single-component room-temperature vulcanized silicone rubber.
Advantage and disadvantage of the present invention is: adopt polymkeric substance based on hydroxy-end capped poly-methyl alkyl siloxanes, three-functionality-degree Diacetylmonoxime silane is linking agent, be aided with the mode that silane coupling agent, promotor, polybutene, white carbon black and nano-calcium carbonate form mixed thing, a kind of ketoxime removing type single-component room-temperature vulcanized silicone rubber is provided, there is self-vulcanizing, curing speed is fast, cohesiveness is good, the advantage free from corrosion to metal.
Embodiment
Embodiment 1
A kind of ketoxime removing type single-component room-temperature vulcanized silicone rubber comprises hydroxyl-terminated polymethylphenyl sioxane, methyl three Diacetylmonoxime silane, vinyl three Diacetylmonoxime silane, two-(3-trimethoxy silicon propyl group) amine, polybutene, dibutyltin oxide, white carbon black and nano-calcium carbonate, and each component and mass parts thereof are:
Hydroxyl-terminated polymethylphenyl sioxane 6 kilograms
0.6 kilogram, methyl three Diacetylmonoxime silane
0.2 kilogram, vinyl three Diacetylmonoxime silane
Two-(3-trimethoxy silicon propyl group) amine 0.1 kilogram
Polybutene 0.4 kilogram
Dibutyltin oxide 0.001 kilogram
White carbon black 0.5 kilogram
Nano-calcium carbonate 2 kilograms
Wherein, described hydroxyl-terminated polymethylphenyl sioxane has (MeRSiO)
nthe polymkeric substance of H chemical structure, wherein Me is CH
3-, R is C
6h
5-, n is integer, and its relative molecular weight is 30000; The preferred specific surface area of white carbon black is 200m
2the precipitated silica of/g or specific surface area are 380m
2the gas-phase silica of/g; Nano-calcium carbonate preferable particle size is the nano-calcium carbonate of 40 ~ 70nm.
Its preparation method is: with in the mixing vessel of high speed agitator, add hydroxyl-terminated polymethylphenyl sioxane 6 kilograms and polybutene 0.4 kilogram, open stirring to make it to mix, add white carbon black 0.5 kilogram and nano-calcium carbonate 2 kilograms again, continue to stir, each component is again made to mix, afterwards by mixture on three-roller mixing 2 times, mixing material is put in stainless steel heating kettle, slowly be warming up to 160 DEG C ~ 170 DEG C, be evacuated to below 0.1MPa to keep 3 ~ 4 hours, remove moisture, be cooled to after below 30 DEG C, add 0.6 kilogram, methyl three Diacetylmonoxime silane, 0.2 kilogram, vinyl three Diacetylmonoxime silane, two-(3-trimethoxy silicon propyl group) amine 0.1 kilogram and dibutyltin oxide 0.001 kilogram, under nitrogen protection, airtight preservation after stirring makes mixing of materials evenly, obtain ketoxime removing type single-component room-temperature vulcanized silicone rubber.
Embodiment 2
A kind of ketoxime removing type single-component room-temperature vulcanized silicone rubber comprises hydroxyl endblocked polydimethylsiloxane, four Diacetylmonoxime silane, vinyl three Diacetylmonoxime silane, γ-aminopropyl triethoxysilane, polybutene, dibutyltin diacetate, white carbon black and nano-calcium carbonate, and each component and mass parts thereof are:
Hydroxyl endblocked polydimethylsiloxane 6.5 kilograms
Four 0.6 kilogram, Diacetylmonoxime silane
0.4 kilogram, vinyl three Diacetylmonoxime silane
γ-aminopropyl triethoxysilane 0.15 kilogram
Polybutene 0.5 kilogram
Dibutyltin diacetate 0.005 kilogram
White carbon black 0.8 kilogram
Nano-calcium carbonate 1.8 kilograms
Wherein, described hydroxyl endblocked polydimethylsiloxane has (Me
2siO)
nthe polymkeric substance of H chemical structure, wherein Me is CH
3-, n is integer, and its relative molecular weight is 50000; The preferred specific surface area of white carbon black is 200m
2the precipitated silica of/g or specific surface area are 380m
2the gas-phase silica of/g; Nano-calcium carbonate preferable particle size is the nano-calcium carbonate of 40 ~ 70nm.
Its preparation method is: with in the mixing vessel of high speed agitator, add hydroxyl endblocked polydimethylsiloxane 6.5 kilograms and polybutene 0.5 kilogram, stirring makes it to mix, add white carbon black 0.8 kilogram again, nano-calcium carbonate 1.8 kilograms, continue to stir, each component is again made to mix, afterwards by mixture on three-roller mixing 2 times, mixing material is put in stainless steel heating kettle, slowly be warming up to 160 DEG C ~ 170 DEG C, be evacuated to below 0.1MPa to keep 3 ~ 4 hours, remove moisture, be cooled to add 0.6 kilogram, four Diacetylmonoxime silane after below 30 DEG C, 0.4 kilogram, vinyl three Diacetylmonoxime silane, γ-aminopropyl triethoxysilane 0.15 kilogram, dibutyltin diacetate 0.005 kilogram, under nitrogen protection, airtight preservation after stirring makes mixing of materials evenly, obtain ketoxime removing type single-component room-temperature vulcanized silicone rubber.
Embodiment 3
A kind of ketoxime removing type single-component room-temperature vulcanized silicone rubber comprises hydroxy-end capped poly-methyl fluoride propyl-siloxane, phenyl three Diacetylmonoxime silane, vinyl three Diacetylmonoxime silane, β-aminoethyl-γ-aminopropyltrimethoxysilane, polybutene, three (thylhexoic acid) Monobutyltin white carbon black and nano-calcium carbonate, and each component and mass parts thereof are:
Hydroxy-end capped poly-methyl fluoride propyl-siloxane 7 kilograms
0.6 kilogram, phenyl three Diacetylmonoxime silane
0.6 kilogram, vinyl three Diacetylmonoxime silane
β-aminoethyl-γ-aminopropyltrimethoxysilane 0.2 kilogram
Polybutene 0.7 kilogram
Three (thylhexoic acid) Monobutyltin 0.01 kilogram
White carbon black 1 kilogram
Nano-calcium carbonate 1.5 kilograms
Wherein, hydroxy-end capped poly-methyl fluoride propyl-siloxane has (MeRSiO)
nthe polymkeric substance of H chemical structure, wherein Me is CH
3-, R is CF
3cH
2cH
2-, n is integer, and its relative molecular weight is 10000; The preferred specific surface area of white carbon black is 200m
2the precipitated silica of/g or specific surface area are 380m
2the gas-phase silica of/g; Nano-calcium carbonate preferable particle size is the nano-calcium carbonate of 40 ~ 70nm.
Its preparation method is: with in the mixing vessel of high speed agitator, add hydroxy-end capped poly-methyl fluoride propyl-siloxane 7 kilograms and polybutene 0.7 kilogram, stirring makes it to mix, add white carbon black 1 kilogram and nano-calcium carbonate 1.5 kilograms again, continue to stir, each component is again made to mix, afterwards by mixture on three-roller mixing 2 times, mixing material is put in stainless steel heating kettle, slowly be warming up to 160 DEG C ~ 170 DEG C, be evacuated to below 0.1MPa to keep 3 ~ 4 hours, remove moisture, be cooled to after below 30 DEG C, add 0.6 kilogram, phenyl three Diacetylmonoxime silane, 0.6 kilogram, vinyl three Diacetylmonoxime silane, β-aminoethyl-γ-aminopropyltrimethoxysilane 0.2 kilogram and three (thylhexoic acid) Monobutyltin 0.01 kilogram, under nitrogen protection, airtight preservation after stirring makes mixing of materials evenly, obtain ketoxime removing type single-component room-temperature vulcanized silicone rubber.
The above; embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under the prerequisite of spirit not departing from the technology of the present invention; the various distortion that this area engineering technical personnel make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determine.
Claims (3)
1. a ketoxime removing type single-component room-temperature vulcanized silicone rubber, it is characterized in that: described ketoxime removing type single-component room-temperature vulcanized silicone rubber comprises hydroxy-end capped poly-methyl alkyl siloxanes, linking agent, silane coupling agent, polybutene, promotor, white carbon black and nano-calcium carbonate, and each component and mass parts thereof are:
Hydroxy-end capped poly-methyl alkyl siloxanes 60 ~ 70 parts
Linking agent 8 ~ 12 parts
Silane coupling agent 1 ~ 2 part
Polybutene 4 ~ 7 parts
Promotor 0.01 ~ 0.1 part
White carbon black 5 ~ 10 parts
Nano-calcium carbonate 15 ~ 20 parts.
2. a kind of ketoxime removing type single-component room-temperature vulcanized silicone rubber according to claim 1, is characterized in that: described hydroxy-end capped poly-methyl alkyl siloxanes has (MeRSiO)
nthe polymkeric substance of H chemical structure, wherein Me is CH
3-, R is CH
3-, CF
3cH
2cH
2-or C
6h
5-, n is integer, and its relative molecular weight is 10000 ~ 50000; Described linking agent preferred phenyl three Diacetylmonoxime silane, methyl three Diacetylmonoxime silane, four Diacetylmonoxime silane and vinyl three Diacetylmonoxime silane; The preferred γ-aminopropyl triethoxysilane of described silane coupling agent
,β-aminoethyl γ-aminopropyltrimethoxysilane, two-(3-trimethoxy silicon propyl group) amine and γ-aminopropyltriethoxy diethoxy silane; Described promotor preferably octanoic acid sub-tin, tin dilaurate dioctyl tin, dibutyltin diacetate, three (thylhexoic acid) Monobutyltin and dibutyltin oxides; The preferred specific surface area of described white carbon black is 200m
2the precipitated silica of/g or specific surface area are 380m
2the gas-phase silica of/g; Described nano-calcium carbonate preferable particle size is the nano-calcium carbonate of 40 ~ 70nm.
3. a kind of ketoxime removing type single-component room-temperature vulcanized silicone rubber according to claim 1, it is characterized in that: the preparation method of described ketoxime removing type single-component room-temperature vulcanized silicone rubber is: with in the mixing vessel of high speed agitator, add hydroxy-end capped poly-methyl alkyl siloxanes 60 ~ 70 parts and polybutene 4 ~ 7 parts, open stirring to make it to mix, add white carbon black 5 ~ 10 parts and nano-calcium carbonate 15 ~ 20 parts again, continue to stir, each component is again made to mix, afterwards by mixture on three-roller mixing 2 times, mixing material is put in stainless steel heating kettle, slowly be warming up to 160 DEG C ~ 170 DEG C, be evacuated to below 0.1MPa to keep 3 ~ 4 hours, remove moisture, be cooled to add linking agent 8 ~ 12 parts after below 30 DEG C, silane coupling agent 1 ~ 2 part and promotor 0.01 ~ 0.1 part, under nitrogen protection, airtight preservation after stirring makes mixing of materials evenly, obtain ketoxime removing type single-component room-temperature vulcanized silicone rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510892081.5A CN105400206A (en) | 2015-12-08 | 2015-12-08 | Deketoxime type single-component room-temperature vulcanized silicone rubber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510892081.5A CN105400206A (en) | 2015-12-08 | 2015-12-08 | Deketoxime type single-component room-temperature vulcanized silicone rubber |
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|---|---|
| CN105400206A true CN105400206A (en) | 2016-03-16 |
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|---|---|---|---|
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860535A (en) * | 2016-06-22 | 2016-08-17 | 福建瑞森新材料股份有限公司 | Room-temperature self-melting silica gel sheet |
| CN106367019A (en) * | 2016-08-31 | 2017-02-01 | 江苏天辰新材料股份有限公司 | Ketoxime removing type single-component RTV (Room Temperature Vulcanization) silicone rubber building sealant and preparation method thereof |
| CN109852239A (en) * | 2017-11-30 | 2019-06-07 | 深圳市冠恒新材料科技有限公司 | Fluorosilicone rubber composition, preparation method and the sealant and coating prepared by the composition |
| CN109852072A (en) * | 2017-11-30 | 2019-06-07 | 深圳市冠恒新材料科技有限公司 | Fluorosilicone rubber composition, preparation method and the sealant and coating prepared by the composition |
| CN109852071A (en) * | 2017-11-30 | 2019-06-07 | 深圳市冠恒新材料科技有限公司 | Fluorosilicone rubber composition, preparation method and the sealant and coating prepared by the composition |
| CN111621155A (en) * | 2020-05-29 | 2020-09-04 | 广州汇纳新材料科技有限公司 | Two-component ketoxime-removing silicone rubber capable of being deeply cured and preparation method thereof |
| CN114989611A (en) * | 2022-06-15 | 2022-09-02 | 重庆逆毫科技有限公司 | Preparation method of silicone rubber with rapid curing depth |
-
2015
- 2015-12-08 CN CN201510892081.5A patent/CN105400206A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860535A (en) * | 2016-06-22 | 2016-08-17 | 福建瑞森新材料股份有限公司 | Room-temperature self-melting silica gel sheet |
| CN106367019A (en) * | 2016-08-31 | 2017-02-01 | 江苏天辰新材料股份有限公司 | Ketoxime removing type single-component RTV (Room Temperature Vulcanization) silicone rubber building sealant and preparation method thereof |
| CN109852239A (en) * | 2017-11-30 | 2019-06-07 | 深圳市冠恒新材料科技有限公司 | Fluorosilicone rubber composition, preparation method and the sealant and coating prepared by the composition |
| CN109852072A (en) * | 2017-11-30 | 2019-06-07 | 深圳市冠恒新材料科技有限公司 | Fluorosilicone rubber composition, preparation method and the sealant and coating prepared by the composition |
| CN109852071A (en) * | 2017-11-30 | 2019-06-07 | 深圳市冠恒新材料科技有限公司 | Fluorosilicone rubber composition, preparation method and the sealant and coating prepared by the composition |
| CN111621155A (en) * | 2020-05-29 | 2020-09-04 | 广州汇纳新材料科技有限公司 | Two-component ketoxime-removing silicone rubber capable of being deeply cured and preparation method thereof |
| CN111621155B (en) * | 2020-05-29 | 2022-04-22 | 广州汇纳新材料科技有限公司 | Two-component ketoxime-removing silicone rubber capable of being deeply cured and preparation method thereof |
| CN114989611A (en) * | 2022-06-15 | 2022-09-02 | 重庆逆毫科技有限公司 | Preparation method of silicone rubber with rapid curing depth |
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Application publication date: 20160316 |