CN107337818A - The manufacture method of rubber gasket - Google Patents
The manufacture method of rubber gasket Download PDFInfo
- Publication number
- CN107337818A CN107337818A CN201710731767.5A CN201710731767A CN107337818A CN 107337818 A CN107337818 A CN 107337818A CN 201710731767 A CN201710731767 A CN 201710731767A CN 107337818 A CN107337818 A CN 107337818A
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- CN
- China
- Prior art keywords
- parts
- crosslinking agent
- manufacture method
- age resistor
- fluorubber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
- C08L2205/03—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 manufacture method of rubber gasket, rubber gasket of the present invention is prepared by nitrile rubber, 4 third fluorubber, n-BMA, mica powder, glass fibre, acrylic acid, flake asbestos, hydroquinones, age resistor and crosslinking agent, elastomeric material of the present invention adds chitosan, rubber performance is modified, the anti-wear performance of rubber gasket can be significantly increased.
Description
Technical field
The present invention relates to rubber product technical field, especially a kind of manufacture method of rubber gasket.
Background technology
Rubber gasket is that a kind of machinery, equipment, pipeline etc. of being used for is internal, the elastomeric material to seal, and rubber is close
Packing has resistance to natural weathering, fuel oil resistance, resistance to lubricating oil, powerful oxidation corrosion resistance agent, resistance to ozone, vacuum-resistant, high temperature resistant, drug-resistant
Property, the advantages of electrical insulation capability is good, rubber gasket is widely used in industrial production.
However, the defects of existing rubber gasket sealing effectiveness is undesirable, wearability is poor, low intensity, far from
Meet actual requirement.Therefore, it is one of current main direction of studying to research and develop a kind of high performance rubber gasket.
The content of the invention
It is an object of the invention to provide a kind of manufacture method of rubber gasket, the manufacture method of this rubber gasket can
To solve the problems, such as that sealing effectiveness is undesirable, wearability is poor, low intensity.
In order to solve the above problems, the technical solution adopted by the present invention is:
The manufacture method of this rubber gasket is prepared by the raw material of following parts by weight:80 parts~100 parts of nitrile rubber,
4 third 15 parts of fluorubber~30 parts, 10 parts~20 parts of n-BMA, 7 parts~18 parts of chitosan, mica powder 7
Part~18 parts, 5 parts~15 parts of glass fibre, 3 parts~10 parts of acrylic acid, 3 parts~15 parts of flake asbestos, 4 parts~12 parts of hydroquinones,
2 parts~5.5 parts of age resistor, 5 parts~7 parts of crosslinking agent;The age resistor is 2,2,4- trimethyls 1,2- dihydro quinoline condensates or
Person's N- phenyl-N`- cyclohexyl p-phenylenediamine;The crosslinking agent is di-tert-butyl peroxide;
Manufacture method comprises the following steps:
A, each raw material is weighed according to above-mentioned parts by weight, by nitrile rubber, 4 third fluorubber, n-BMA, mica
Powder, glass fibre, acrylic acid, flake asbestos, hydroquinones, age resistor and crosslinking agent are well mixed, and it is 80 DEG C~90 to control temperature
DEG C, refining glue 15~30 minutes;Chitosan is added, it is 70 DEG C~85 DEG C to control temperature, refining glue 15~30 minutes;
B, after step A terminates, after placing cooling at normal temperatures 24~36 hours, it is transferred to vulcanizer and is vulcanized, control vulcanization
Temperature is 165 DEG C~175 DEG C, vulcanizes 10~15min, is progressively warming up to 200 DEG C~215 DEG C, vulcanizes 5~10min;
C, inspection, cutting, packaging.
In above-mentioned technical proposal, more specifically technical scheme can also be:The parts by weight of raw material are:Nitrile rubber 80
Part, 4 third 30 parts of fluorubber, 10 parts of n-BMA, 7 parts of chitosan, 7 parts of mica powder, glass fibre 10
Part, 3 parts of acrylic acid, 3 parts of flake asbestos, 4 parts of hydroquinones, 5.5 parts of age resistor, 5 parts of crosslinking agent.
Further, the parts by weight of raw material are:90 parts of nitrile rubber, 4 third 25 parts of fluorubber, the positive fourth of methacrylic acid
17 parts of ester, 12 parts of chitosan, 13 parts of mica powder, 5 parts of glass fibre, 6 parts of acrylic acid, 10 parts of flake asbestos, hydroquinones 8
Part, 4 parts of age resistor, 6 parts of crosslinking agent.
Further, the parts by weight of raw material are:100 parts of nitrile rubber, 4 third 15 parts of fluorubber, the positive fourth of methacrylic acid
20 parts of ester, 18 parts of chitosan, 18 parts of mica powder, 5 parts of glass fibre, 10 parts of acrylic acid, 15 parts of flake asbestos, hydroquinones
12 parts, 2 parts of age resistor, 7 parts of crosslinking agent.
By adopting the above-described technical solution, the present invention has the advantages that compared with prior art:
1st, elastomeric material addition chitosan of the present invention, is modified to rubber performance, can significantly increase rubber seal
The anti-wear performance of pad.
2nd, rubber gasket of the present invention is by nitrile rubber, 4 third fluorubber, n-BMA, mica powder, glass
Fiber, acrylic acid, flake asbestos, hydroquinones, age resistor and crosslinking agent, chitosan are prepared, gained rubber seal
Pad is with good resistance to elevated temperatures, sealing property and fire resistance, corrosion resistance, and coefficient of friction is small, and wearability is good,
Flexibility is strong, durable in use.
Embodiment
With reference to embodiment, the invention will be further described:
Embodiment 1
The present embodiment rubber gasket is prepared by the raw material of following parts by weight:80 parts of nitrile rubber, 4 third fluorubber 30
Part, 10 parts of n-BMA, 7 parts of chitosan, 7 parts of mica powder, 10 parts of glass fibre, 3 parts of acrylic acid, asbestos
3 parts of powder, 4 parts of hydroquinones, 5.5 parts of age resistor, 5 parts of di-tert-butyl peroxide;Age resistor is 2,2,4- trimethyls 1,2- bis-
Hydrogenate quinoline condensate;Each parts by weight are 10 grams;
Manufacture method comprises the following steps:
A, each raw material is weighed according to above-mentioned parts by weight, by nitrile rubber, 4 third fluorubber, n-BMA, mica
Powder, glass fibre, acrylic acid, flake asbestos, hydroquinones, age resistor and crosslinking agent are well mixed, and it is 80 DEG C~90 to control temperature
DEG C, refining glue 15 minutes;Chitosan is added, it is 70 DEG C~85 DEG C to control temperature, refining glue 25 minutes;
B, after step A terminates, after placing cooling at normal temperatures 24 hours, it is transferred to vulcanizer and is vulcanized, control curing temperature
For 165 DEG C~175 DEG C, vulcanize 12min, be progressively warming up to 200 DEG C~215 DEG C, vulcanize 5min;
C, inspection, cutting, packaging.
Embodiment 2
The present embodiment rubber gasket is prepared by the raw material of following parts by weight:90 parts of nitrile rubber, 4 third fluorubber 25
Part, 17 parts of n-BMA, 12 parts of chitosan, 13 parts of mica powder, 5 parts of glass fibre, 6 parts of acrylic acid, stone
10 parts of cotton powder, 8 parts of hydroquinones, 4 parts of age resistor, 6 parts of crosslinking agent;Age resistor is N- phenyl-N`- cyclohexyl p-phenylenediamine;Often
One parts by weight are 100 grams;
Manufacture method comprises the following steps:
A, each raw material is weighed according to above-mentioned parts by weight, by nitrile rubber, 4 third fluorubber, n-BMA, mica
Powder, glass fibre, acrylic acid, flake asbestos, hydroquinones, age resistor and crosslinking agent are well mixed, and it is 80 DEG C~90 to control temperature
DEG C, refining glue 22 minutes;Chitosan is added, it is 70 DEG C~85 DEG C to control temperature, refining glue 30 minutes;
B, after step A terminates, after placing cooling at normal temperatures 36 hours, it is transferred to vulcanizer and is vulcanized, control curing temperature
For 165 DEG C~175 DEG C, vulcanize 15min, be progressively warming up to 200 DEG C~215 DEG C, vulcanize 10min;
C, inspection, cutting, packaging.
Embodiment 3
The present embodiment rubber gasket is prepared by the raw material of following parts by weight:100 parts of nitrile rubber, 4 third fluorubber 15
Part, 20 parts of n-BMA, 18 parts of chitosan, 18 parts of mica powder, 5 parts of glass fibre, 10 parts of acrylic acid, stone
15 parts of cotton powder, 12 parts of hydroquinones, 2 parts of age resistor, 7 parts of crosslinking agent;Age resistor is N- phenyl-N`- cyclohexyl p-phenylenediamine;Often
One parts by weight are 100 grams;
Manufacture method comprises the following steps:
A, each raw material is weighed according to above-mentioned parts by weight, by nitrile rubber, 4 third fluorubber, n-BMA, mica
Powder, glass fibre, acrylic acid, flake asbestos, hydroquinones, age resistor and crosslinking agent are well mixed, and it is 80 DEG C~90 to control temperature
DEG C, refining glue 30 minutes;Chitosan is added, it is 70 DEG C~85 DEG C to control temperature, refining glue 15 minutes;
B, after step A terminates, after placing cooling at normal temperatures 30 hours, it is transferred to vulcanizer and is vulcanized, control curing temperature
For 165 DEG C 175 DEG C, vulcanize 10min, be progressively warming up to 200 DEG C~215 DEG C, vulcanize 7min;
C, inspection, cutting, packaging.
The physicochemical property for the rubber gasket that 1~embodiment of embodiment 3 is prepared detects, and to be not added with taking off
The rubber gasket of acetyl chitin, with one group of embodiment identical as a control group, testing result is shown in Table 1 to remaining manufacture method:
The physicochemical property of the rubber gasket of table 1
From the data in table 1, it can be seen that the addition of chitosan, the anti-wear performance of rubber gasket can be significantly increased.
Claims (4)
1. a kind of manufacture method of rubber gasket, it is characterised in that be prepared by the raw material of following parts by weight:Butyronitrile rubber
80 parts~100 parts of glue, 4 third 15 parts of fluorubber~30 parts, 10 parts~20 parts of n-BMA, 7 parts of chitosan
~18 parts, 7 parts~18 parts of mica powder, 5 parts~15 parts of glass fibre, 3 parts~10 parts of acrylic acid, 3 parts~15 parts of flake asbestos, to benzene
4 parts~12 parts of diphenol, 2 parts~5.5 parts of age resistor, 5 parts~7 parts of crosslinking agent;The age resistor is 2,2,4- trimethyls 1,2- bis-
Hydrogenate quinoline condensate or N- phenyl-N`- cyclohexyl p-phenylenediamine;The crosslinking agent is di-tert-butyl peroxide;
Manufacture method comprises the following steps:
A, each raw material is weighed according to above-mentioned parts by weight, by nitrile rubber, 4 third fluorubber, n-BMA, mica
Powder, glass fibre, acrylic acid, flake asbestos, hydroquinones, age resistor and crosslinking agent are well mixed, and it is 80 DEG C~90 to control temperature
DEG C, refining glue 15~30 minutes;Chitosan is added, it is 70 DEG C~85 DEG C to control temperature, refining glue 15~30 minutes;
B, after step A terminates, after placing cooling at normal temperatures 24~36 hours, it is transferred to vulcanizer and is vulcanized, control vulcanization
Temperature is 165 DEG C~175 DEG C, vulcanizes 10~15min, is progressively warming up to 200 DEG C~215 DEG C, vulcanizes 5~10min;
C, inspection, cutting, packaging.
2. the manufacture method of rubber gasket according to claim 1, it is characterised in that the parts by weight of the raw material are:
80 parts of nitrile rubber, 4 third 30 parts of fluorubber, 10 parts of n-BMA, 7 parts of chitosan, 7 parts of mica powder, glass
10 parts of glass fiber, 3 parts of acrylic acid, 3 parts of flake asbestos, 4 parts of hydroquinones, 5.5 parts of age resistor, 5 parts of crosslinking agent.
3. the manufacture method of rubber gasket according to claim 1, it is characterised in that the parts by weight of the raw material are:
90 parts of nitrile rubber, 4 third 25 parts of fluorubber, 17 parts of n-BMA, 12 parts of chitosan, 13 parts of mica powder,
5 parts of glass fibre, 6 parts of acrylic acid, 10 parts of flake asbestos, 8 parts of hydroquinones, 4 parts of age resistor, 6 parts of crosslinking agent.
4. the manufacture method of rubber gasket according to claim 1, it is characterised in that the parts by weight of the raw material are:
100 parts of nitrile rubber, 4 third 15 parts of fluorubber, 20 parts of n-BMA, 18 parts of chitosan, mica powder 18
Part, 5 parts of glass fibre, 10 parts of acrylic acid, 15 parts of flake asbestos, 12 parts of hydroquinones, 2 parts of age resistor, 7 parts of crosslinking agent.
Priority Applications (1)
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CN201710731767.5A CN107337818A (en) | 2017-08-23 | 2017-08-23 | The manufacture method of rubber gasket |
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CN201710731767.5A CN107337818A (en) | 2017-08-23 | 2017-08-23 | The manufacture method of rubber gasket |
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CN107337818A true CN107337818A (en) | 2017-11-10 |
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CN201710731767.5A Pending CN107337818A (en) | 2017-08-23 | 2017-08-23 | The manufacture method of rubber gasket |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103289150A (en) * | 2013-05-06 | 2013-09-11 | 广州加士特密封技术有限公司 | Cold-resistant wear-resistant nitrile rubber sealing material and preparation method thereof |
CN103724727A (en) * | 2013-12-13 | 2014-04-16 | 芜湖金鹰机械科技开发有限公司 | Cold-resistant O-shaped ring containing nano calcium carbonate |
CN104277259A (en) * | 2014-10-22 | 2015-01-14 | 柳州市颖航汽配有限公司 | Wear-resistant rubber pad |
CN104927125A (en) * | 2015-06-08 | 2015-09-23 | 东至群盛化工设备有限公司 | Flange sealing gasket for chemical sewage pipe connection |
-
2017
- 2017-08-23 CN CN201710731767.5A patent/CN107337818A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103289150A (en) * | 2013-05-06 | 2013-09-11 | 广州加士特密封技术有限公司 | Cold-resistant wear-resistant nitrile rubber sealing material and preparation method thereof |
CN103724727A (en) * | 2013-12-13 | 2014-04-16 | 芜湖金鹰机械科技开发有限公司 | Cold-resistant O-shaped ring containing nano calcium carbonate |
CN104277259A (en) * | 2014-10-22 | 2015-01-14 | 柳州市颖航汽配有限公司 | Wear-resistant rubber pad |
CN104927125A (en) * | 2015-06-08 | 2015-09-23 | 东至群盛化工设备有限公司 | Flange sealing gasket for chemical sewage pipe connection |
Non-Patent Citations (2)
Title |
---|
吕明哲等: "壳聚糖在天然橡胶复合材料研究中的应用", 《化工新型材料》 * |
王凤菊: "《橡胶牌号手册》", 31 August 2003, 化学工业出版社 * |
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