CN108164773A - A kind of preparation method of the capacitor rubber of resistance to hot-seal - Google Patents
A kind of preparation method of the capacitor rubber of resistance to hot-seal Download PDFInfo
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- CN108164773A CN108164773A CN201711383162.8A CN201711383162A CN108164773A CN 108164773 A CN108164773 A CN 108164773A CN 201711383162 A CN201711383162 A CN 201711383162A CN 108164773 A CN108164773 A CN 108164773A
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- rubber
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
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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
- C08L2203/206—Applications use in electrical or conductive gadgets use in coating or encapsulating of electronic parts
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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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of preparation methods of the capacitor rubber of resistance to hot-seal, include the following steps：Butadiene-styrene rubber, nitrile silicone rubber, makrolon, talcum flour complexes, hard (china) clay, glass fibre, pine tar, microcrystalline wax, lauric acid, oleic acid, antioxidant BHT are kneaded uniformly, obtain rubber compound；Vulcanizing agent is added in into rubber compound and is kneaded uniform, vulcanization, curing temperature is 185 195 DEG C, and vulcanization time is 2 4min, and extrusion molding obtains the capacitor rubber of resistance to hot-seal.The preparation method of the capacitor rubber of resistance to hot-seal 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 capacitor technology field more particularly to a kind of preparation methods of the capacitor rubber of resistance to hot-seal.
Background technology
Capacitor is the important foundation element of electronic circuit, the long-life, it is highly reliable be target that manufacturer is pursued always.
It in aluminium electrolutic capacitor, is accommodated in encapsulating shell together with capacitor element and electrolysed substance, the opening portion of encapsulating shell utilizes sealing
Rubber is sealed.Sealing capacitor rubber also there is technical issues that thermal stability at present, it would be highly desirable to solve.
Invention content
Technical problems based on background technology, the present invention propose a kind of preparation of the capacitor rubber of resistance to hot-seal
Method, gained sealing rubber form highly cross-linked network structure, thermal stability and excellent mechanical, and impact strength
It is high.
A kind of preparation method of capacitor rubber of resistance to hot-seal proposed by the present invention, includes the following steps：
It is S1, butadiene-styrene rubber, nitrile silicone rubber, makrolon, talcum flour complexes, hard (china) clay, glass fibre, pine is burnt
Oil, microcrystalline wax, lauric acid, oleic acid, antioxidant BHT are kneaded uniformly, obtain rubber compound；
S2, vulcanizing agent mixing is added in into rubber compound uniformly, vulcanization, curing temperature is 185-195 DEG C, vulcanization time 2-
4min, extrusion molding obtain the capacitor rubber of resistance to hot-seal.
Preferably, in S1, butadiene-styrene rubber, nitrile silicone rubber, makrolon weight ratio be 40-50：15-25：2-8.
Preferably, in S1, talcum flour complexes, hard (china) clay, glass fibre weight ratio be 20-40：2-6：1-5.
Preferably, in S1, pine tar, microcrystalline wax weight ratio be 0.5-1.2：1-2.
Preferably, in S2, vulcanizing agent includes tert-butyl hydroperoxide, ammonium dichromate sodium.
Preferably, in S2, tert-butyl hydroperoxide, the weight ratio of ammonium dichromate are 1-2：0.1-0.4.
Preferably, in S1, the raw material of talcum flour complexes is molten including talcum powder, sodium alginate, palladium bichloride, sodium hydroxide
Liquid.
Preferably, in S1, a concentration of 0.8-1.2mol/L of sodium hydroxide.
Preferably, in S1, talcum powder, sodium alginate, palladium bichloride weight ratio be 20-40：2-8：2-6.
Preferably, in S1, talcum flour complexes are prepared using following technique：By talcum powder, sodium alginate, palladium bichloride,
Water is uniformly mixed, and adds in sodium hydroxide solution regulation system pH value to 5.1-5.8, water-bath keeps the temperature 25-35min, and bath temperature is
It 80-88 DEG C, is cooled to room temperature, filters, wash, it is dry, obtain talcum flour complexes.
The present invention is using the butadiene-styrene rubber, nitrile silicone rubber, the makrolon that have excellent performance, and chemical degree of unsaturation is low, wherein
Disperse talcum flour complexes, and add in tert-butyl hydroperoxide, ammonium dichromate sodium, form highly cross-linked network structure, improve rubber
The thermal stability and mechanical property of glue sealing.
In talcum flour complexes, using chlorine palladium acid as presoma, sodium alginate is protective agent, after water-bath, forms high score
Dissipate, grain size little particle simultaneously be attached to talcum powder surface, reunion degree is low, on the one hand with butadiene-styrene rubber, nitrile silicone rubber, makrolon
Compounding, mutual degree of scatter is high, can effectively improve product thermal stability, on the other hand multiple with hard (china) clay, glass fibre
Match, on the basis of product thermal stability and mechanical property is ensured, hard (china) clay, the additive amount of glass fibre are high, can reduce fourth
Benzene rubber, nitrile silicone rubber, makrolon addition, reduce cost input indirectly.
And pine tar, microcrystalline wax and talcum flour complexes mating reaction, before toughness is promoted to reach balanced with hardness
It puts, product is excellent in cushion effect, and thermostabilization is good, and tert-butyl hydroperoxide, ammonium dichromate sodium synergistic effect are as vulcanization body
System, cure is good, and Mechanical Properties of Products is further enhanced with thermal stability, and temperature resistant range of the present invention reaches -50 DEG C~150
DEG C, 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 capacitor rubber of resistance to hot-seal, includes the following steps：
S1, by 40g butadiene-styrene rubber, 25g nitrile silicone rubbers, 2g makrolon, 40g talcums flour complexes, 2g hard (china) clays, 5g
Glass fibre, 0.5g pine tars, 2g microcrystalline waxes, 1g lauric acid, 2g oleic acid, 1g antioxidant BHTs are kneaded uniformly, are kneaded
Glue；
S2,2g tert-butyl hydroperoxide, the mixing of 0.1g ammonium dichromates sodium are added in into rubber compound uniformly, vulcanization, vulcanization temperature
It is 195 DEG C, vulcanization time 2min to spend, and extrusion molding obtains the capacitor rubber of resistance to hot-seal.
Talcum flour complexes are prepared using following technique：40g talcum powder, 2g sodium alginates, 6g palladium bichlorides, 60g water are mixed
It closes uniformly, adds in a concentration of 1.2mol/L sodium hydroxide solutions regulation system pH value to 5.1-5.8, water-bath heat preservation 25min, water-bath
Temperature is 88 DEG C, is cooled to room temperature, and is filtered, and is washed, dry, obtains talcum flour complexes.
Embodiment 2
A kind of preparation method of the capacitor rubber of resistance to hot-seal, includes the following steps：
S1, by 50g butadiene-styrene rubber, 15g nitrile silicone rubbers, 8g makrolon, 20g talcums flour complexes, 6g hard (china) clays, 1g
Glass fibre, 1.2g pine tars, 1g microcrystalline waxes, 2g lauric acid, 1g oleic acid, 2g antioxidant BHTs are kneaded uniformly, are kneaded
Glue；
S2,1g tert-butyl hydroperoxide, the mixing of 0.4g ammonium dichromates sodium are added in into rubber compound uniformly, vulcanization, vulcanization temperature
It is 185 DEG C, vulcanization time 4min to spend, and extrusion molding obtains the capacitor rubber of resistance to hot-seal.
Talcum flour complexes are prepared using following technique：20g talcum powder, 8g sodium alginates, 2g palladium bichlorides, 100g water are mixed
It closes uniformly, adds in a concentration of 0.8mol/L sodium hydroxide solutions regulation system pH value to 5.1-5.8, water-bath heat preservation 35min, water-bath
Temperature is 80 DEG C, is cooled to room temperature, and is filtered, and is washed, dry, obtains talcum flour complexes.
Embodiment 3
A kind of preparation method of the capacitor rubber of resistance to hot-seal, includes the following steps：
S1, by 44g butadiene-styrene rubber, 20g nitrile silicone rubbers, 4g makrolon, 35g talcums flour complexes, 3g hard (china) clays, 4g
Glass fibre, 0.6g pine tars, 1.8g microcrystalline waxes, 1.3g lauric acid, 1.6g oleic acid, 1.2g antioxidant BHTs are kneaded uniformly, are obtained
To rubber compound；
S2,1.7g tert-butyl hydroperoxide, the mixing of 0.2g ammonium dichromates sodium are added in into rubber compound uniformly, vulcanized, vulcanization
Temperature is 192 DEG C, vulcanization time 2.5min, and extrusion molding obtains the capacitor rubber of resistance to hot-seal.
Talcum flour complexes are prepared using following technique：35g talcum powder, 4g sodium alginates, 5g palladium bichlorides, 70g water are mixed
It closes uniformly, adds in a concentration of 1mol/L sodium hydroxide solutions regulation system pH value to 5.1-5.8, water-bath heat preservation 28min, water-bath temperature
It is 86 DEG C to spend, and is cooled to room temperature, and is filtered, and is washed, dry, obtains talcum flour complexes.
Embodiment 4
A kind of preparation method of the capacitor rubber of resistance to hot-seal, includes the following steps：
S1, by 46g butadiene-styrene rubber, 18g nitrile silicone rubbers, 6g makrolon, 25g talcums flour complexes, 5g hard (china) clays, 2g
Glass fibre, 1g pine tars, 1.2g microcrystalline waxes, 1.7g lauric acid, 1.4g oleic acid, 1.8g antioxidant BHTs are kneaded uniformly, are obtained
Rubber compound；
S2,1.3g tert-butyl hydroperoxide, the mixing of 0.3g ammonium dichromates sodium are added in into rubber compound uniformly, vulcanized, vulcanization
Temperature is 188 DEG C, vulcanization time 3.5min, and extrusion molding obtains the capacitor rubber of resistance to hot-seal.
Talcum flour complexes are prepared using following technique：25g talcum powder, 6g sodium alginates, 3g palladium bichlorides, 90g water are mixed
It closes uniformly, adds in a concentration of 0.9mol/L sodium hydroxide solutions regulation system pH value to 5.1-5.8, water-bath heat preservation 32min, water-bath
Temperature is 82 DEG C, is cooled to room temperature, and is filtered, and is washed, dry, obtains talcum flour complexes.
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 (10)
1. a kind of preparation method of the capacitor rubber of resistance to hot-seal, which is characterized in that include the following steps：
S1, by butadiene-styrene rubber, nitrile silicone rubber, makrolon, talcum flour complexes, hard (china) clay, glass fibre, pine tar, micro-
Spar wax, lauric acid, oleic acid, antioxidant BHT are kneaded uniformly, obtain rubber compound；
S2, vulcanizing agent mixing is added in into rubber compound uniformly, vulcanization, curing temperature is 185-195 DEG C, vulcanization time 2-
4min, extrusion molding obtain the capacitor rubber of resistance to hot-seal.
2. the preparation method of the capacitor rubber of resistance to hot-seal according to claim 1, which is characterized in that in S1, fourth
Benzene rubber, nitrile silicone rubber, makrolon weight ratio be 40-50：15-25：2-8.
3. the preparation method of the capacitor rubber of resistance to hot-seal according to claim 1, which is characterized in that sliding in S1
Mountain flour compound, hard (china) clay, glass fibre weight ratio be 20-40：2-6：1-5.
4. the preparation method of the capacitor rubber of resistance to hot-seal according to claim 1, which is characterized in that in S1, pine
Tar, microcrystalline wax weight ratio be 0.5-1.2：1-2.
5. the preparation method of the capacitor rubber of resistance to hot-seal according to claim 1, which is characterized in that in S2, sulphur
Agent includes tert-butyl hydroperoxide, ammonium dichromate sodium.
6. the preparation method of the capacitor rubber of resistance to hot-seal according to claim 5, which is characterized in that in S2, uncle
Butylhydroperoxide, ammonium dichromate weight ratio be 1-2：0.1-0.4.
7. according to the preparation method of claim 1-6 any one of them capacitors rubber of resistance to hot-seal, which is characterized in that
In S1, the raw material of talcum flour complexes includes talcum powder, sodium alginate, palladium bichloride, sodium hydroxide solution.
8. the preparation method of the capacitor rubber of resistance to hot-seal according to claim 7, which is characterized in that in S1, hydrogen
A concentration of 0.8-1.2mol/L of sodium oxide molybdena.
9. the preparation method of the capacitor rubber of resistance to hot-seal according to claim 7, which is characterized in that sliding in S1
Mountain flour, sodium alginate, palladium bichloride weight ratio be 20-40：2-8：2-6.
10. according to the preparation method of claim 1-9 any one of them capacitors rubber of resistance to hot-seal, which is characterized in that
In S1, talcum flour complexes are prepared using following technique：Talcum powder, sodium alginate, palladium bichloride, water are uniformly mixed, added in
Sodium hydroxide solution regulation system pH value is to 5.1-5.8, and water-bath heat preservation 25-35min, bath temperature is 80-88 DEG C, is cooled to room
Temperature filters, and washs, dry, obtains talcum flour complexes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711383162.8A CN108164773A (en) | 2017-12-20 | 2017-12-20 | A kind of preparation method of the capacitor rubber of resistance to hot-seal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711383162.8A CN108164773A (en) | 2017-12-20 | 2017-12-20 | A kind of preparation method of the capacitor rubber of resistance to hot-seal |
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| CN108164773A true CN108164773A (en) | 2018-06-15 |
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| CN201711383162.8A Pending CN108164773A (en) | 2017-12-20 | 2017-12-20 | A kind of preparation method of the capacitor rubber of resistance to hot-seal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109233025A (en) * | 2018-07-23 | 2019-01-18 | 宁国市瑞普密封件有限公司 | A kind of heat-resisting automobile oil seal rubber seal preparation method |
| CN109337379A (en) * | 2018-10-18 | 2019-02-15 | 铜陵市三盛电子有限公司 | A kind of capacitor cable cover(ing) silica composite and preparation method thereof |
| CN109535736A (en) * | 2018-12-06 | 2019-03-29 | 安徽中斯特流体设备有限公司 | A kind of wear-resistant gasket seal preparation method of pipeline connection |
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| WO2008068606A1 (en) * | 2006-12-07 | 2008-06-12 | Garlock Sealing Technologies, Llc | Process for making high-pressure sheet gasketing materials |
| CN104785792A (en) * | 2014-12-31 | 2015-07-22 | 武汉纺织大学 | Nano-palladium and carboxymethyl cellulose compound environment-friendly synthetic method |
| CN105482207A (en) * | 2016-01-26 | 2016-04-13 | 孟根森 | Acid and base resistance sealing ring material for automobile |
| CN106750663A (en) * | 2017-01-18 | 2017-05-31 | 长春蓝天高新技术密封材料有限责任公司 | A kind of encapsulant and preparation method thereof |
-
2017
- 2017-12-20 CN CN201711383162.8A patent/CN108164773A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008068606A1 (en) * | 2006-12-07 | 2008-06-12 | Garlock Sealing Technologies, Llc | Process for making high-pressure sheet gasketing materials |
| CN104785792A (en) * | 2014-12-31 | 2015-07-22 | 武汉纺织大学 | Nano-palladium and carboxymethyl cellulose compound environment-friendly synthetic method |
| CN105482207A (en) * | 2016-01-26 | 2016-04-13 | 孟根森 | Acid and base resistance sealing ring material for automobile |
| CN106750663A (en) * | 2017-01-18 | 2017-05-31 | 长春蓝天高新技术密封材料有限责任公司 | A kind of encapsulant and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109233025A (en) * | 2018-07-23 | 2019-01-18 | 宁国市瑞普密封件有限公司 | A kind of heat-resisting automobile oil seal rubber seal preparation method |
| CN109337379A (en) * | 2018-10-18 | 2019-02-15 | 铜陵市三盛电子有限公司 | A kind of capacitor cable cover(ing) silica composite and preparation method thereof |
| CN109535736A (en) * | 2018-12-06 | 2019-03-29 | 安徽中斯特流体设备有限公司 | A kind of wear-resistant gasket seal preparation method of pipeline connection |
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Application publication date: 20180615 |
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