CN108178882A - A kind of preparation method of the good sealing capacitor rubber of thermal stability - Google Patents
A kind of preparation method of the good sealing capacitor rubber of thermal stability Download PDFInfo
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- CN108178882A CN108178882A CN201711384934.XA CN201711384934A CN108178882A CN 108178882 A CN108178882 A CN 108178882A CN 201711384934 A CN201711384934 A CN 201711384934A CN 108178882 A CN108178882 A CN 108178882A
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- rubber
- thermal stability
- good sealing
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- sealing capacitor
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C08L23/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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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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- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of preparation methods of the good sealing capacitor rubber of thermal stability, include the following steps：White carbon, carboxymethyl cellulose, palladium bichloride, water are uniformly mixed, add in sodium hydroxide solution regulation system pH value to 6 6.4, water-bath heat preservation is cooled to room temperature, filters, washs, dry, obtains prefabricated material；Butyl rubber, phenyl siloxane rubber, polylactic acid, prefabricated material, sepiolite powder, polyacrylonitrile-based carbon fibre, methyl-silicone oil, oxidized polyethylene wax, stearic acid, oleic acid, antioxidant 1010 are kneaded uniformly, obtain rubber compound；2,4 dichlorobenzoperoxides, cyclohexane peroxide mixing are added in into rubber compound uniformly, vulcanization, extrusion molding obtains the good sealing capacitor rubber of thermal stability.The preparation method of the good sealing capacitor rubber of thermal stability proposed by the present invention, gained sealing rubber form highly cross-linked network structure, thermal stability and excellent mechanical, and excellent in cushion effect.
Description
Technical field
The present invention relates to a kind of preparations of the good sealing capacitor rubber in capacitor technology field more particularly to thermal stability
Method.
Background technology
Domestic capacitor industry generally believes that electrolyte is the key that influence the capacitor long-life, and ignores sealing rubber
The sealing function risen, the external research in terms of sealing capacitor rubber are goed deep into much than domestic, sealing capacitor rubber
The specific rubber product of output value very little is pertaining only in rubber industry, therefore the research for sealing rubber does not obtain enough weights
Depending on.Domestic capacitor sealing rubber extended stationary periods are poor in thermal stability, and reliability is low, it is impossible to meet the needs of highly reliable complete machine,
It is urgently to be resolved hurrily.
Invention content
Technical problems based on background technology, the present invention propose a kind of good sealing capacitor rubber of thermal stability
Preparation method, gained sealing rubber form highly cross-linked network structure, thermal stability and excellent mechanical, and shock resistance
Intensity is high.
A kind of preparation method of the good sealing capacitor rubber of thermal stability proposed by the present invention, includes the following steps：
S1, white carbon, carboxymethyl cellulose, palladium bichloride, water are uniformly mixed, add in sodium hydroxide solution regulation system pH
Value to 6-6.4, water-bath heat preservation is cooled to room temperature, filters, wash, dry, obtains prefabricated material；
S2, by butyl rubber, phenyl siloxane rubber, polylactic acid, prefabricated material, sepiolite powder, polyacrylonitrile-based carbon fibre, methyl
Silicone oil, oxidized polyethylene wax, stearic acid, oleic acid, antioxidant 1010 are kneaded uniformly, obtain rubber compound；
S3,2,4- dichlorobenzoperoxides, cyclohexane peroxide mixing are added in into rubber compound uniformly, vulcanizes, squeeze out
Molding, obtains the good sealing capacitor rubber of thermal stability.
Preferably, in S1, white carbon, carboxymethyl cellulose, palladium bichloride weight ratio be 5-15：1-4：1-3.
Preferably, in S1, concentration of sodium hydroxide solution 0.4-0.72mol/L.
Preferably, in S1, water-bath soaking time is 10-20min, and bath temperature is 90-94 DEG C.
Preferably, in S2, butyl rubber, phenyl siloxane rubber, polylactic acid weight ratio be 80-100：20-40：10-20.
Preferably, in S2, prefabricated material, sepiolite powder, polyacrylonitrile-based carbon fibre weight ratio be 40-50：10-16：
5-15。
Preferably, in S3, rubber compound, 2,4- dichlorobenzoperoxides, cyclohexane peroxide weight ratio be 100：
0.5-1.5：0.15-0.3.
Preferably, in S3, in sulfidation, curing temperature is 170-178 DEG C, vulcanization time 10-14min.
In S1 of the present invention, using chlorine palladium acid as presoma, sodium carboxymethylcellulose is restores, protective agent, after water-bath, shape
Into high dispersive, grain size little particle and be attached to white carbon surface, reunion degree is low, on the one hand with butyl rubber, phenyl siloxane rubber,
Polylactic acid compound, mutual degree of scatter is high, can effectively improve product thermal stability, on the other hand with sepiolite powder, poly- third
Alkene itrile group carbon fiber compounds, and on the basis of product thermal stability and mechanical property is ensured, sepiolite powder, polyacrylonitrile-based carbon are fine
The additive amount of dimension is high, can reduce butyl rubber, phenyl siloxane rubber, polylactic acid addition, reduce cost input indirectly.
The present invention is using the butyl rubber, phenyl siloxane rubber, polylactic acid that have excellent performance, and chemical degree of unsaturation is low, wherein
Disperse prefabricated material, and add in 2,4- dichlorobenzoperoxides, cyclohexane peroxide, form highly cross-linked network structure, improve
The thermal stability and mechanical property of rubber sealing；And methyl-silicone oil, oxidized polyethylene wax and prefabricated material mating reaction, it is tough in promotion
Under the premise of property reaches balanced with hardness, product is excellent in cushion effect, and thermostabilization is good, and 2,4- dichlorobenzoperoxides, mistake
Oxidizing ethyle alkyl synergistic effect is as vulcanizing system, and cure is good, and Mechanical Properties of Products is further enhanced with thermal stability, originally
Invention temperature resistant range reaches -30 DEG C~120 DEG C, and service life reaches more than 10000h.
Specific embodiment
In the following, technical scheme of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of preparation method of the good sealing capacitor rubber of thermal stability, includes the following steps：
S1,5kg white carbons, 4kg carboxymethyl celluloses, 1kg palladium bichlorides, 80kg water are uniformly mixed, added in a concentration of
0.4mol/L sodium hydroxide solution regulation system pH value is to 6-6.4, and water-bath heat preservation 20min, bath temperature is 90 DEG C, is cooled to room
Temperature filters, and washs, dry, obtains white carbon compound；
S2, by 100kg butyl rubbers, 20kg phenyl siloxane rubbers, 20kg polylactic acid, 40kg white carbons compound, 16kg sea
Afrodite powder, 5kg polyacrylonitrile-based carbon fibres, 6kg methyl-silicone oils, 0.5kg oxidized polyethylene wax, 1.2kg stearic acid, 0.5kg oil
Acid, 1.2kg antioxidant 1010s are kneaded uniformly, obtain rubber compound；
S2, into 100kg rubber compounds, addition 0.5kg 2,4- dichlorobenzoperoxides, 0.3kg cyclohexane peroxides mix
Refining is uniform, vulcanization, and curing temperature is 170 DEG C, vulcanization time 14min, extrusion molding, obtains the good capacitor envelope of thermal stability
Mouth rubber.
Embodiment 2
A kind of preparation method of the good sealing capacitor rubber of thermal stability, includes the following steps：
S1,5kg white carbons, 4kg carboxymethyl celluloses, 1kg palladium bichlorides, 80kg water are uniformly mixed, added in a concentration of
0.4mol/L sodium hydroxide solution regulation system pH value is to 6-6.4, and water-bath heat preservation 20min, bath temperature is 90 DEG C, is cooled to room
Temperature filters, and washs, dry, obtains white carbon compound；
S2, by 100kg butyl rubbers, 20kg phenyl siloxane rubbers, 20kg polylactic acid, 40kg white carbons compound, 16kg sea
Afrodite powder, 5kg polyacrylonitrile-based carbon fibres, 6kg methyl-silicone oils, 0.5kg oxidized polyethylene wax, 1.2kg stearic acid, 0.5kg oil
Acid, 1.2kg antioxidant 1010s are kneaded uniformly, obtain rubber compound；
S2, into 100kg rubber compounds, addition 0.5kg 2,4- dichlorobenzoperoxides, 0.3kg cyclohexane peroxides mix
Refining is uniform, vulcanization, and curing temperature is 170 DEG C, vulcanization time 14min, extrusion molding, obtains the good capacitor envelope of thermal stability
Mouth rubber.
Embodiment 3
A kind of preparation method of the good sealing capacitor rubber of thermal stability, includes the following steps：
S1,8kg white carbons, 3kg carboxymethyl celluloses, 1.5kg palladium bichlorides, 70kg water are uniformly mixed, added in a concentration of
0.5mol/L sodium hydroxide solution regulation system pH value is to 6-6.4, and water-bath heat preservation 18min, bath temperature is 91 DEG C, is cooled to room
Temperature filters, and washs, dry, obtains white carbon compound；
S2, by 95kg butyl rubbers, 25kg phenyl siloxane rubbers, 18kg polylactic acid, 42kg white carbons compound, 14kg Hai Pao
Mountain flour, 8kg polyacrylonitrile-based carbon fibres, 5kg methyl-silicone oils, 0.8kg oxidized polyethylene wax, 1kg stearic acid, 0.6kg oleic acid,
1kg antioxidant 1010s are kneaded uniformly, obtain rubber compound；
S2, into 100kg rubber compounds, addition 0.8kg 2,4- dichlorobenzoperoxides, 0.25kg cyclohexane peroxides mix
Refining is uniform, vulcanization, and curing temperature is 172 DEG C, vulcanization time 13min, extrusion molding, obtains the good capacitor envelope of thermal stability
Mouth rubber.
Embodiment 4
A kind of preparation method of the good sealing capacitor rubber of thermal stability, includes the following steps：
S1,12kg white carbons, 2kg carboxymethyl celluloses, 2.5kg palladium bichlorides, 50kg water are uniformly mixed, added in a concentration of
0.6mol/L sodium hydroxide solution regulation system pH value is to 6-6.4, and water-bath heat preservation 12min, bath temperature is 93 DEG C, is cooled to room
Temperature filters, and washs, dry, obtains white carbon compound；
S2, by 85kg butyl rubbers, 35kg phenyl siloxane rubbers, 12kg polylactic acid, 48kg white carbons compound, 12kg Hai Pao
Mountain flour, 12kg polyacrylonitrile-based carbon fibres, 3kg methyl-silicone oils, 1kg oxidized polyethylene wax, 0.6kg stearic acid, 1kg oleic acid,
0.8kg antioxidant 1010s are kneaded uniformly, obtain rubber compound；
S2, into 100kg rubber compounds, addition 1.2kg 2,4- dichlorobenzoperoxides, 0.2kg cyclohexane peroxides mix
Refining is uniform, vulcanization, and curing temperature is 176 DEG C, vulcanization time 12min, extrusion molding, obtains the good capacitor envelope of thermal stability
Mouth rubber.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. the preparation method of the good sealing capacitor rubber of a kind of thermal stability, which is characterized in that include the following steps：
S1, white carbon, carboxymethyl cellulose, palladium bichloride, water are uniformly mixed, add in sodium hydroxide solution regulation system pH value extremely
6-6.4, water-bath heat preservation, is cooled to room temperature, and filters, and washs, dry, obtains prefabricated material；
S2, by butyl rubber, phenyl siloxane rubber, polylactic acid, prefabricated material, sepiolite powder, polyacrylonitrile-based carbon fibre, methyl silicon
Oil, oxidized polyethylene wax, stearic acid, oleic acid, antioxidant 1010 are kneaded uniformly, obtain rubber compound；
S3,2,4- dichlorobenzoperoxides, cyclohexane peroxide mixing are added in into rubber compound uniformly, vulcanization, extrusion molding,
Obtain the good sealing capacitor rubber of thermal stability.
2. the preparation method of the good sealing capacitor rubber of thermal stability according to claim 1, which is characterized in that in S1
In, white carbon, carboxymethyl cellulose, palladium bichloride weight ratio be 5-15：1-4：1-3.
3. the preparation method of the good sealing capacitor rubber of thermal stability according to claim 1 or 2, which is characterized in that
In S1, concentration of sodium hydroxide solution 0.4-0.72mol/L.
4. according to the preparation method of the good sealing capacitor rubber of claim 1-3 any one of them thermal stability, feature
It is, in S1, water-bath soaking time is 10-20min, and bath temperature is 90-94 DEG C.
5. according to the preparation method of the good sealing capacitor rubber of claim 1-4 any one of them thermal stability, feature
Be, in S2, butyl rubber, phenyl siloxane rubber, polylactic acid weight ratio be 80-100：20-40：10-20.
6. according to the preparation method of the good sealing capacitor rubber of claim 1-5 any one of them thermal stability, feature
Be, in S2, prefabricated material, sepiolite powder, polyacrylonitrile-based carbon fibre weight ratio be 40-50：10-16：5-15.
7. according to the preparation method of the good sealing capacitor rubber of claim 1-6 any one of them thermal stability, feature
Be, in S3, rubber compound, 2,4- dichlorobenzoperoxides, cyclohexane peroxide weight ratio be 100：0.5-1.5：
0.15-0.3。
8. according to the preparation method of the good sealing capacitor rubber of claim 1-7 any one of them thermal stability, feature
It is, in S3, in sulfidation, curing temperature is 170-178 DEG C, vulcanization time 10-14min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711384934.XA CN108178882A (en) | 2017-12-20 | 2017-12-20 | A kind of preparation method of the good sealing capacitor rubber of thermal stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711384934.XA CN108178882A (en) | 2017-12-20 | 2017-12-20 | A kind of preparation method of the good sealing capacitor rubber of thermal stability |
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| CN108178882A true CN108178882A (en) | 2018-06-19 |
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| CN201711384934.XA Withdrawn CN108178882A (en) | 2017-12-20 | 2017-12-20 | A kind of preparation method of the good sealing capacitor rubber of thermal stability |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109306184A (en) * | 2018-10-18 | 2019-02-05 | 铜陵市三盛电子有限公司 | A kind of high-low temperature resistant capacitor cable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101503616A (en) * | 2009-03-02 | 2009-08-12 | 广东信力特种橡胶制品有限公司 | Sealing daub and preparation thereof |
| CN103709533A (en) * | 2013-12-16 | 2014-04-09 | 芜湖万润机械有限责任公司 | Multi-rubber compounded sealing gasket material and preparation method thereof |
| CN103709714A (en) * | 2013-12-16 | 2014-04-09 | 芜湖万润机械有限责任公司 | Sealing gasket material prepared by mixing three types of rubber and preparation method of sealing gasket material |
| CN105597742A (en) * | 2016-01-07 | 2016-05-25 | 上海华谊（集团）公司 | Catalyst and method of reaction for preparing butanedioic anhydride from maleic anhydride through liquid phase hydrogenation |
-
2017
- 2017-12-20 CN CN201711384934.XA patent/CN108178882A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101503616A (en) * | 2009-03-02 | 2009-08-12 | 广东信力特种橡胶制品有限公司 | Sealing daub and preparation thereof |
| CN103709533A (en) * | 2013-12-16 | 2014-04-09 | 芜湖万润机械有限责任公司 | Multi-rubber compounded sealing gasket material and preparation method thereof |
| CN103709714A (en) * | 2013-12-16 | 2014-04-09 | 芜湖万润机械有限责任公司 | Sealing gasket material prepared by mixing three types of rubber and preparation method of sealing gasket material |
| CN105597742A (en) * | 2016-01-07 | 2016-05-25 | 上海华谊（集团）公司 | Catalyst and method of reaction for preparing butanedioic anhydride from maleic anhydride through liquid phase hydrogenation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109306184A (en) * | 2018-10-18 | 2019-02-05 | 铜陵市三盛电子有限公司 | A kind of high-low temperature resistant capacitor cable |
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Application publication date: 20180619 |
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