CN106905617A - Long-life pipeline rubber seal - Google Patents
Long-life pipeline rubber seal Download PDFInfo
- Publication number
- CN106905617A CN106905617A CN201710116194.5A CN201710116194A CN106905617A CN 106905617 A CN106905617 A CN 106905617A CN 201710116194 A CN201710116194 A CN 201710116194A CN 106905617 A CN106905617 A CN 106905617A
- Authority
- CN
- China
- Prior art keywords
- parts
- rubber seal
- long
- age resistor
- life pipeline
- 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.)
- Granted
Links
Classifications
-
- 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
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/14—Peroxides
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
Abstract
Long-life pipeline rubber seal of the invention, the rubber seal includes the following composition by mass fraction：100 150 parts of ethylene propylene diene rubber, 58 parts of zinc oxide, 12 parts of stearic acid, 0.5 4 parts of age resistor, 60 110 parts of filler, 2 15 parts of vulcanizing agent and 0.2 8 parts of vulcanization aid.Design for rubber formulation of the invention is reasonable, kneaded according to above-mentioned each component and form sizing material there is the performances such as good sealing property, good ageing-resistant performance and anti-wear performance, the long-life pipeline rubber seal developed according to said ratio reaches 102.3 on service life, and can be good at matching with ductile iron pipe uses.
Description
Technical field
The present invention relates to a kind of rubber compounding, and in particular to a kind of long-life pipeline sealing ring for cast iron pipe is matched somebody with somebody
Side.
Background technology
T-shaped sealing ring is widely used in having for water delivery, gas transmission and other liquid also known as the effective rubber seal of spheroidal graphite cast-iron
Pressure is conveyed, the preferred product as water supply industry.Rubber seal requirement, should in operating pressure and certain temperature range
With good sealing property, preferable resistance to corrosion is non-aging, and anti-wear performance is good and the features such as long working life.With
The development of science and technology, ductile iron pipe substantially prolongs service life, and the life-span is about 100 years or so.Match therewith
Up to the present the T-shaped seal for pipe joints circle of set can reach service life most long for 70 years, so research and development are a kind of long-life T-shaped
It is imperative that seal for pipe joints circle matches with ductile iron pipe.
The content of the invention
It is close it is an object of the invention to provide a kind of long-life rubber pipeline ageing-resistant, that long-life spheroidal graphite cast-iron is effective
Seal.
Realize technical scheme that above-mentioned purpose of the present invention used for：
A kind of long-life pipeline rubber seal of the invention, wherein：The rubber seal includes following by mass fraction
Composition：100-150 parts of ethylene propylene diene rubber, 5-8 parts of zinc oxide, 1-2 parts of stearic acid, 0.5-4 parts of age resistor,
60-110 parts of filler, 2-15 parts of vulcanizing agent and 0.2-8 parts of vulcanization aid；
A kind of long-life pipeline rubber seal of the invention, wherein：The rubber seal includes following by mass fraction
Composition：150 parts of ethylene propylene diene rubber, 5-8 parts of zinc oxide, 1-2 parts of stearic acid, 0.5-2 parts of the first age resistor,
0.5-2 parts of the second age resistor, 60-80 parts of filler, 10-15 parts of vulcanizing agent and 0.2-0.5 parts of vulcanization aid, it is also
Including：10-15 parts of plasticizer；
A kind of long-life pipeline rubber seal of the invention, wherein：The rubber seal includes following by mass fraction
Composition：150 parts of ethylene propylene diene rubber, 8 parts of zinc oxide, 1.5 parts of stearic acid, 1.5 parts of the first age resistor, 1.5 parts
The second age resistor, 70 parts of filler, 15 parts of plasticizer, 12 parts of vulcanizing agent and 0.3 part of vulcanization aid；
A kind of long-life pipeline rubber seal of the invention, wherein：The first described age resistor be 2,2,4- trimethyls-
1,2- dihyaroquinoline condensates；Second age resistor is 2-mercaptobenzimidazole；Described plasticizer is paraffin oil；Described fills out
Agent is filled for carbon black；Described vulcanizing agent is cumyl peroxide, di-t-butyl peroxyhexane, benzoyl peroxide and crosses benzene first
One or more in tert-butyl acrylate；Described vulcanization aid is sulphur；
A kind of long-life pipeline rubber seal of the invention, wherein：The model 4465 of the ethylene propylene diene rubber；Institute
State the trade name Cabot N550 of carbon black；
A kind of long-life pipeline rubber seal of the invention, wherein：The hardness of the long-life pipeline rubber seal
It is 50 durometer levels；
A kind of long-life pipeline rubber seal of the invention, wherein：The rubber seal includes following by mass fraction
Composition：100 parts of ethylene propylene diene rubber, 5-8 parts of zinc oxide, 1-2 parts of stearic acid, 1-3 parts of age resistor, 80-110 parts
Filler, 2-4 parts of vulcanizing agent and 4-8 parts of vulcanization aid；
A kind of long-life pipeline rubber seal of the invention, wherein：The rubber seal includes following by mass fraction
Composition：100 parts of ethylene propylene diene rubber, 5 parts of zinc oxide, 1 part of stearic acid, 3 parts of age resistor, 100 parts of filler,
3.5 parts of vulcanizing agent and 5 parts of vulcanization aid；
A kind of long-life pipeline rubber seal of the invention, wherein：Described age resistor is 2,2,4- trimethyls -1,2-
Dihyaroquinoline condensate；Described filler is carbon black；Described vulcanizing agent is cumyl peroxide, di-t-butyl peroxide
Change one or more in hexane, benzoyl peroxide and t-butyl perbenzoate, described vulcanization aid is methacrylic acid
Magnesium；
A kind of long-life pipeline rubber seal of the invention, wherein：The model 4045 of the ethylene propylene diene rubber；Institute
State the trade name spray carbon black of carbon black；The hardness of the long-life pipeline rubber seal is 90 durometer levels.
Design for rubber formulation of the invention rationally, kneads according to above-mentioned each component and forms sizing material and have good sealing
Can, the performance such as good ageing-resistant performance and anti-wear performance, the rubber seal developed according to said ratio can be good at
Ductile iron pipe matches and uses.
Brief description of the drawings
Fig. 1 is survey report of the invention
Specific embodiment
Below by way of specific embodiment, specific embodiments of the present invention are further described in detail.
First embodiment
The long-life pipeline rubber seal of 50 durometer level of the invention is as follows according to the mass fraction：
150 parts of the ethylene propylene diene rubber of model 4465,8 parts of zinc oxide, 1.5 parts of stearic acid, the first age resistor：2,2,4-
1.5 parts of trimethyl -1,2- dihyaroquinolines condensate, the second age resistor：1.5 parts of 2-mercaptobenzimidazole, filler：Trade name
It is 70 parts of carbon black, the plasticizer of Cabot N550：10 parts of paraffin oil, vulcanizing agent：Oxidation 10 parts of diisopropylbenzene (DIPB) and vulcanization aid：Sulphur
0.3 part of sulphur.
The step of preparing above-mentioned long-life pipeline rubber seal be：The first step prepares sizing material：Ethylene propylene diene rubber is thrown
Enter in banbury mixing；Zinc oxide, stearic acid, the first age resistor and the second age resistor are added thereto mixing 8 minutes again, so
1/2 carbon black is added afterwards after knead uniformly, add other 1/2 carbon black addition and kneaded；Then again by paraffin oil
After adding mixing uniform, vulcanizing agent and vulcanization aid are eventually adding, the dumping when temperature is more than 160 DEG C；Second step vulcanizes：Will be upper
State institute
The sizing material of preparation is loaded into mould, is vulcanized on vulcanizing press, 160 DEG C of curing temperature, sulfide stress
It is 10MPa, cure time is 30min.Following table A is the examining report of 50 hardness sizing materials.
Table A
Second embodiment
Its constituent of 90 durometer levels is as follows as mass fraction：
100 parts of the ethylene propylene diene rubber of model 4045,5 parts of zinc oxide, 1 part of stearic acid, age resistor：2,2,4- front threes
Base -1,3 parts of 2- dihyaroquinolines condensate, filler：100 parts of the carbon black of trade name spraying, vulcanizing agent：Oxidation diisopropylbenzene (DIPB)
3.5 parts, vulcanization aid：5 parts of magnesinm methacrylate.
The step of preparing above-mentioned long-life pipeline rubber seal be：The first step prepares sizing material：Ethylene propylene diene rubber is thrown
Enter in banbury mixing；Again by zinc oxide, stearic acid, age resistor and be added thereto mixing 8 minutes, then by 1/2 spraying
Carbon black add knead it is uniform after, add other 1/2 spray carbon black add knead it is uniform after；Add paraffin oil mixing
Uniformly, vulcanizing agent and vulcanization aid are eventually adding, the dumping when temperature is more than 160 DEG C.Second step：Vulcanization will be above-mentioned prepared
Sizing material is filled
Fill out in mould, vulcanized on vulcanizing press, curing temperature is 160 DEG C, and sulfide stress is 10MPa, sulphur
The change time is 30min, and table B is 90 durometer level sizing material examining reports
Table B
Above description is explanation of the invention, is not the restriction to inventing, and limited range of the present invention is referring to right
It is required that, in the case of without prejudice to spirit of the invention, the present invention can make any type of modification.
It is below the national rubber seal productses Quality Supervision and Inspection Center of my company commission to the long-life pipeline rubber researched and developed
The scanned copy of the sizing material aging life-span examining report of glue sealing ring, test result：Calculated according to critical value 0.5,25 DEG C aging
Life-span is 102.3.
Claims (10)
1. a kind of long-life pipeline rubber seal, it is characterised in that：The rubber seal include it is following by mass fraction into
Point：100-150 parts of ethylene propylene diene rubber, 5-8 parts of zinc oxide, 1-2 parts of stearic acid, 0.5-4 parts of age resistor, 60-110
Part filler, 2-15 parts of vulcanizing agent and 0.2-8 parts of vulcanization aid.
2. a kind of long-life pipeline rubber seal as claimed in claim 1, it is characterised in that：The rubber seal include with
The composition of mass fraction is pressed down：150 parts of ethylene propylene diene rubber, 5-8 parts of zinc oxide, 1-2 parts of stearic acid, 0.5-2 parts
First age resistor, 0.5-2 part of the second age resistor, 60-80 parts of filler, 10-15 parts of vulcanizing agent and 0.2-0.5 parts of sulphur
Change auxiliary agent, it also includes：10-15 parts of plasticizer.
3. long-life pipeline rubber seal as claimed in claim 2, it is characterised in that：The rubber seal includes following pressing
The composition of mass fraction：150 parts of ethylene propylene diene rubber, 8 parts of zinc oxide, 1.5 parts of stearic acid, the first of 1.5 parts prevent old
Agent, 1.5 parts of the second age resistor, 70 parts of filler, 15 parts of plasticizer, 12 parts of vulcanizing agent and 0.3 part of vulcanization aid.
4. long-life pipeline rubber seal as claimed in claim 2 or claim 3, it is characterised in that：The first described age resistor is
2,2,4- trimethyl -1,2- dihyaroquinoline condensates；Second age resistor is 2-mercaptobenzimidazole；Described plasticizer is stone
Wax oil；Described filler is carbon black；Described vulcanizing agent is cumyl peroxide, di-t-butyl peroxyhexane, peroxidating
One or more in benzoyl and t-butyl perbenzoate；Described vulcanization aid is sulphur.
5. long-life pipeline rubber seal as claimed in claim 4, it is characterised in that：The model of the ethylene propylene diene rubber
It is 4465；The trade name Cabot N550 of the carbon black.
6. long-life pipeline rubber seal as claimed in claim 5, it is characterised in that：The long-life pipeline rubber seal
The hardness of circle is 50 durometer levels.
7. long-life pipeline rubber seal as claimed in claim 1, it is characterised in that：The rubber seal includes following pressing
The composition of mass fraction：100 parts of ethylene propylene diene rubber, 5-8 parts of zinc oxide, 1-2 parts of stearic acid, 1-3 parts of age resistor,
80-110 parts of filler, 2-4 parts of vulcanizing agent and 4-8 parts of vulcanization aid.
8. long-life pipeline rubber seal as claimed in claim 7, it is characterised in that：The rubber seal includes following pressing
The composition of mass fraction：100 parts of ethylene propylene diene rubber, 5 parts of zinc oxide, 1 part of stearic acid, 3 parts of age resistor, 100 parts
Filler, 3.5 parts of vulcanizing agent and 5 parts of vulcanization aid.
9. long-life pipeline rubber seal as claimed in claim 7 or 8, it is characterised in that：Described age resistor is 2,2,
4- trimethyl -1,2- dihyaroquinoline condensates；Described filler is carbon black；Described vulcanizing agent is peroxidating diisopropyl
One or more in benzene, di-t-butyl hexane peroxide, benzoyl peroxide and t-butyl perbenzoate, described vulcanization is helped
Agent is magnesinm methacrylate.
10. long-life pipeline rubber seal as claimed in claim 9, it is characterised in that：The type of the ethylene propylene diene rubber
Number be 4045；The trade name spray carbon black of the carbon black；The hardness of the long-life pipeline rubber seal is 90 durometer levels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710116194.5A CN106905617B (en) | 2017-03-01 | 2017-03-01 | Long-life pipeline rubber seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710116194.5A CN106905617B (en) | 2017-03-01 | 2017-03-01 | Long-life pipeline rubber seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106905617A true CN106905617A (en) | 2017-06-30 |
| CN106905617B CN106905617B (en) | 2018-10-30 |
Family
ID=59209365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710116194.5A Active CN106905617B (en) | 2017-03-01 | 2017-03-01 | Long-life pipeline rubber seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106905617B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110885558A (en) * | 2019-12-16 | 2020-03-17 | 苏州中可欣电子科技有限公司 | Rubber sealing ring material for long-life capacitor |
| CN112341721A (en) * | 2020-12-01 | 2021-02-09 | 际华三五一七橡胶制品有限公司 | Hard ethylene propylene diene monomer rubber material for sealing ring of water supply and drainage pipeline |
| CN114015166A (en) * | 2021-11-11 | 2022-02-08 | 台州市东电橡塑有限公司 | EPDM rubber foaming material and application |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105255021A (en) * | 2015-11-04 | 2016-01-20 | 四川大学 | High-intensity and low-compression-permanent-deformation rubber material and preparation method of high-intensity and low-compression permanent deformation rubber material |
-
2017
- 2017-03-01 CN CN201710116194.5A patent/CN106905617B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105255021A (en) * | 2015-11-04 | 2016-01-20 | 四川大学 | High-intensity and low-compression-permanent-deformation rubber material and preparation method of high-intensity and low-compression permanent deformation rubber material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110885558A (en) * | 2019-12-16 | 2020-03-17 | 苏州中可欣电子科技有限公司 | Rubber sealing ring material for long-life capacitor |
| CN112341721A (en) * | 2020-12-01 | 2021-02-09 | 际华三五一七橡胶制品有限公司 | Hard ethylene propylene diene monomer rubber material for sealing ring of water supply and drainage pipeline |
| CN114015166A (en) * | 2021-11-11 | 2022-02-08 | 台州市东电橡塑有限公司 | EPDM rubber foaming material and application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106905617B (en) | 2018-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106905617A (en) | Long-life pipeline rubber seal | |
| CN107189236A (en) | Sulfur cross-linking EPT rubber composition, preparation method, purposes and its application product that a kind of heat-proof aging, low pressure become | |
| CN104109370B (en) | A kind of Oilproof corrosion-resistant rubber material | |
| CN105175911B (en) | A kind of Weatherproof ageing-resistant laminated rubber bearing elastomeric material | |
| CN101108903A (en) | Nitrile rubber sizing material using black pigment modifier | |
| Khanra et al. | Influence of partial substitution of carbon black with silica on mechanical, thermal, and aging properties of super specialty elastomer based composites | |
| CN104403239B (en) | Elastic wear-resistant seal ring for engine and preparation method of elastic wear-resistant seal ring | |
| CN105860168B (en) | A kind of environmentally friendly low smell acrylonitrile rubber composite and preparation method | |
| CN105694153B (en) | A kind of agricultural tyre sidewall rubber of high filling tyre reclaim | |
| CN109776974A (en) | A kind of heat-resisting long-time low pressure becomes EPDM rubber sealing ring and preparation method thereof | |
| CN112480497A (en) | Composition for preparing rubber material, rubber material and preparation method thereof, and blowout preventer | |
| CN109777116A (en) | A kind of soft high-strength conductive silicon rubber and preparation method thereof | |
| CN109096624A (en) | A kind of rubber composition and preparation method thereof for automotive hose rubber core | |
| JP2014065799A (en) | Tread rubber composition and pneumatic tire | |
| CN106589505B (en) | A kind of high pressure resistant wear-resistant dust-proof capsule and its preparation technology | |
| CN108264717A (en) | A kind of mixing material of ACM and AEM | |
| JP4262436B2 (en) | Pneumatic tire | |
| US2482600A (en) | Heat-resistant composition | |
| JP6157082B2 (en) | Rubber composition for tread of studless tire and studless tire | |
| US2358290A (en) | Packing material | |
| JP2010285470A (en) | Manufacturing method for rubber composition | |
| JP2010070642A (en) | Rubber composition for sidewall and tire | |
| CN108285562A (en) | A kind of hydrogenated butyronitrile composite material and preparation method | |
| CN107325349A (en) | A kind of belting and preparation method thereof | |
| CN113896994A (en) | Ethylene propylene diene monomer rubber for pipeline water stop valve sealing element and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |