CN111040314A - Pump valve sealing ring with impact resistance and corrosion resistance - Google Patents
Pump valve sealing ring with impact resistance and corrosion resistance Download PDFInfo
- Publication number
- CN111040314A CN111040314A CN201911348947.0A CN201911348947A CN111040314A CN 111040314 A CN111040314 A CN 111040314A CN 201911348947 A CN201911348947 A CN 201911348947A CN 111040314 A CN111040314 A CN 111040314A
- Authority
- CN
- China
- Prior art keywords
- parts
- foaming agent
- agent
- pump valve
- putting
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0023—Use of organic additives containing oxygen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/16—Ethene-propene or ethene-propene-diene copolymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2407/00—Characterised by the use of natural rubber
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Emergency Medicine (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention provides a pump valve sealing ring with impact resistance and corrosion resistance, which is prepared from the following raw materials: the invention relates to ethylene propylene diene monomer rubber, natural rubber, cumene hydroperoxide, activated calcium carbonate, an anti-aging agent D, an anti-aging agent A, a foaming agent D, a foaming agent P, a foaming agent T, lauric acid and white carbon black.
Description
Technical Field
The invention relates to a pump valve sealing ring with impact resistance and corrosion resistance.
Background
The sealing ring is widely applied to various industries as a common mechanical part, is usually applied to static sealing between a shaft and a hole, and mainly plays a role in preventing liquid or gas from leaking. Most of sealing rings produced in the prior art are sealed by an elastomer body, and the sealing force is mainly provided by the elasticity of a system and a sealing ring lip body. With the wide use of the sealing ring, the requirements of different application fields on the sealing ring are different.
The application of sealing washer among the prior art in the valve body is very extensive, the sealing washer in the pump valve mainly plays sealed effect, but have because the material of itself of sealing washer is rubber product, through the washing away of long-time fluid medium, often can lose self elasticity and fluid medium strikes sealing washer under can produce wearing and tearing, especially use when carrying the liquid medium that has corrosivity, if sealing washer self does not have good corrosion resisting property, hardly guarantee the normal operating of valve body, and the corrosion resisting property of current sealing washer is relatively poor, need often to change the sealing washer, it is comparatively troublesome.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a pump valve sealing ring with impact resistance and corrosion resistance aiming at the defects in the prior art, and the corrosion resistance and the impact resistance of the sealing ring are improved when the sealing ring is manufactured, so that the service life of the sealing ring is greatly prolonged.
The technical scheme is as follows: in order to achieve the purpose, the invention provides a pump valve sealing ring with impact resistance and corrosion resistance, which is characterized in that: the feed is prepared from the following raw materials in parts by weight: 70 parts of ethylene propylene diene monomer, 30 parts of natural rubber, 7 parts of cumene hydroperoxide, 180 parts of activated calcium carbonate, 1 parts of anti-aging agent D, 0.5 part of anti-aging agent A, 2 parts of foaming agent D, P3 parts of foaming agent, T3 parts of foaming agent, 5 parts of lauric acid and 15 parts of white carbon black.
As an improvement of the scheme: the white carbon black is superfine silica gel.
As an improvement of the scheme:
(1) and mixing rubber: putting 70 parts of ethylene propylene diene monomer and 30 parts of natural rubber into an internal mixer for plastic molding, and standing for 24 hours for later use;
putting the plasticated ethylene propylene diene monomer into an internal mixer, respectively adding 7 parts of cumene hydroperoxide, 180 parts of activated calcium carbonate, 7 parts of anti-aging agent D1 parts, 0.5 part of anti-aging agent A, 2 parts of foaming agent D, 3 parts of foaming agent P, 3 parts of foaming agent T, 5 parts of lauric acid and 15 parts of white carbon black, and standing for 24 hours for later use after internal mixing;
(2) and vulcanizing: putting the mixed rubber material into an internal mixer, adding a vulcanizing agent, checking, and standing for 24 hours for later use;
(3) and finishing: discharging qualified rubber materials by using an open mill, cutting by using a cutting machine, and putting the cut rubber materials on a tray for later use;
putting the cut rubber strip into a vulcanizing machine, molding, vulcanizing and forming at the molding temperature of 160-180 ℃, the molding time of 3-6 minutes and the molding pressure of 8-12 MPa;
cooling the vulcanized sealing ring and removing burrs;
(4) and (4) checking: and packaging and warehousing after the inspection is qualified.
As an improvement of the scheme: the vulcanizing agent is sulfur.
Compared with the prior art, the invention has the following beneficial effects: the invention provides a pump valve sealing ring with impact resistance and corrosion resistance, which is characterized in that white carbon black, a foaming agent D, a foaming agent P and a foaming agent T are added in raw materials for manufacturing the sealing ring, the white carbon black, the foaming agent D, the foaming agent P and the foaming agent T are heated and decomposed in vulcanization of rubber, gas is discharged, micropores are generated in the rubber, and the prepared sealing ring is internally provided with the micropores, so that the impact force generated by a fluid medium impacting the sealing ring when the sealing ring is used in a pump valve can be greatly reduced, and ethylene propylene diene monomer and other components are added in the manufacturing of the sealing ring.
Detailed Description
The present invention will be further illustrated below with reference to specific embodiments, which are to be understood as merely illustrative and not limitative of the scope of the present invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
A pump valve sealing ring with impact resistance and corrosion resistance is prepared from the following raw materials in parts by weight: 70 parts of ethylene propylene diene monomer, 30 parts of natural rubber, 7 parts of cumene hydroperoxide, 180 parts of activated calcium carbonate, 1 parts of anti-aging agent D, 0.5 part of anti-aging agent A, 2 parts of foaming agent D, P3 parts of foaming agent, T3 parts of foaming agent, 5 parts of lauric acid and 15 parts of white carbon black.
In this embodiment: the white carbon black is superfine silica gel.
The manufacturing process of the sealing ring comprises the following steps:
(1) and mixing rubber: putting 70 parts of ethylene propylene diene monomer and 30 parts of natural rubber into an internal mixer for plastic molding, and standing for 24 hours for later use;
putting the plasticated ethylene propylene diene monomer into an internal mixer, respectively adding 7 parts of cumene hydroperoxide, 180 parts of activated calcium carbonate, 7 parts of anti-aging agent D1 parts, 0.5 part of anti-aging agent A, 2 parts of foaming agent D, 3 parts of foaming agent P, 3 parts of foaming agent T, 5 parts of lauric acid and 15 parts of white carbon black, and standing for 24 hours for later use after internal mixing;
(2) and vulcanizing: putting the mixed rubber material into an internal mixer, adding a vulcanizing agent, checking, and standing for 24 hours for later use;
(3) and finishing: discharging qualified rubber materials by using an open mill, cutting by using a cutting machine, and putting the cut rubber materials on a tray for later use;
putting the cut rubber strip into a vulcanizing machine, molding, vulcanizing and forming at the molding temperature of 160-180 ℃, the molding time of 3-6 minutes and the molding pressure of 8-12 MPa;
cooling the vulcanized sealing ring and removing burrs;
(4) and (4) checking: and packaging and warehousing after the inspection is qualified.
In the above structure: white carbon black, foaming agent D, foaming agent P and foaming agent T are added into raw materials for manufacturing the sealing ring, the foaming agent T is heated and decomposed in vulcanization of rubber, gas is discharged, micropores are formed in the rubber, the manufactured sealing ring is provided with the micropores, the micropores can greatly reduce impact force generated by a fluid medium impacting the sealing ring when the sealing ring is used in a pump valve, ethylene propylene diene monomer and other components are added in the manufacturing of the sealing ring, the ethylene propylene diene monomer has good corrosion resistance, and the corrosion resistance of the sealing ring is greatly improved
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.
Claims (4)
1. The utility model provides a pump valve sealing washer with it is corrosion-resistant to shock resistance which characterized in that: the feed is prepared from the following raw materials in parts by weight: 70 parts of ethylene propylene diene monomer, 30 parts of natural rubber, 7 parts of cumene hydroperoxide, 180 parts of activated calcium carbonate, 1 parts of anti-aging agent D, 0.5 part of anti-aging agent A, 2 parts of foaming agent D, P3 parts of foaming agent, T3 parts of foaming agent, 5 parts of lauric acid and 15 parts of white carbon black.
2. A shock resistant corrosion resistant pump valve seal ring as defined in claim 1 wherein: the white carbon black is superfine silica gel.
3. A method for manufacturing a pump valve seal ring with impact resistance and corrosion resistance according to claim 1, wherein the method comprises the following steps:
(1) and mixing rubber: putting 70 parts of ethylene propylene diene monomer and 30 parts of natural rubber into an internal mixer for plastic molding, and standing for 24 hours for later use;
putting the plasticated ethylene propylene diene monomer into an internal mixer, respectively adding 7 parts of cumene hydroperoxide, 180 parts of activated calcium carbonate, 7 parts of anti-aging agent D1 parts, 0.5 part of anti-aging agent A, 2 parts of foaming agent D, 3 parts of foaming agent P, 3 parts of foaming agent T, 5 parts of lauric acid and 15 parts of white carbon black, and standing for 24 hours for later use after internal mixing;
(2) and vulcanizing: putting the mixed rubber material into an internal mixer, adding a vulcanizing agent, checking, and standing for 24 hours for later use;
(3) and finishing: discharging qualified rubber materials by using an open mill, cutting by using a cutting machine, and putting the cut rubber materials on a tray for later use;
putting the cut rubber strip into a vulcanizing machine, molding, vulcanizing and forming at the molding temperature of 160-180 ℃, the molding time of 3-6 minutes and the molding pressure of 8-12 MPa;
cooling the vulcanized sealing ring and removing burrs;
(4) and (4) checking: and packaging and warehousing after the inspection is qualified.
4. A method for manufacturing a pump valve seal ring with impact resistance and corrosion resistance according to claim 3, wherein the method comprises the following steps: the vulcanizing agent is sulfur.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911348947.0A CN111040314A (en) | 2019-12-24 | 2019-12-24 | Pump valve sealing ring with impact resistance and corrosion resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911348947.0A CN111040314A (en) | 2019-12-24 | 2019-12-24 | Pump valve sealing ring with impact resistance and corrosion resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111040314A true CN111040314A (en) | 2020-04-21 |
Family
ID=70239038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911348947.0A Pending CN111040314A (en) | 2019-12-24 | 2019-12-24 | Pump valve sealing ring with impact resistance and corrosion resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111040314A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000302905A (en) * | 1999-04-22 | 2000-10-31 | Nitto Denko Corp | Rubber foam |
| CN103554677A (en) * | 2013-09-18 | 2014-02-05 | 青岛博玉特橡塑制品有限公司 | Anti-corrosive rubber sealing ring |
| CN106009320A (en) * | 2016-07-15 | 2016-10-12 | 平田精密器材(深圳)有限公司 | EPDM polymer foaming car lamp sealing ring material and preparation method thereof |
| CN109666225A (en) * | 2018-12-25 | 2019-04-23 | 宁国市日格美橡塑制品有限公司 | A kind of heat resistant and wear resistant customization sealing ring and preparation method thereof |
-
2019
- 2019-12-24 CN CN201911348947.0A patent/CN111040314A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000302905A (en) * | 1999-04-22 | 2000-10-31 | Nitto Denko Corp | Rubber foam |
| CN103554677A (en) * | 2013-09-18 | 2014-02-05 | 青岛博玉特橡塑制品有限公司 | Anti-corrosive rubber sealing ring |
| CN106009320A (en) * | 2016-07-15 | 2016-10-12 | 平田精密器材(深圳)有限公司 | EPDM polymer foaming car lamp sealing ring material and preparation method thereof |
| CN109666225A (en) * | 2018-12-25 | 2019-04-23 | 宁国市日格美橡塑制品有限公司 | A kind of heat resistant and wear resistant customization sealing ring and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 武汉大学化学系高分子教研室: "《有机高分子化学 （下册）》", 28 February 1978, 武汉大学化学系高分子教研室 * |
| 邓本诚 等编: "《橡胶并用与橡塑共混技术——性能、工艺与配方》", 30 June 1998, 化学工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101255242B (en) | Butadiene styrene rubber foaming plate and preparation thereof | |
| CN106543505A (en) | A kind of high-performance acrylonitrile butadiene packing material and preparation method thereof | |
| CN101289557B (en) | Method for preparing mildewproof rubber by using regenerated rubber as basal body | |
| CN101118027A (en) | Communicating sealed ring and method for making same | |
| CN103965524A (en) | Low-temperature-resistant sole material and preparation method thereof | |
| JP2007270131A (en) | Rubber composition for carcass ply and/or belt, and manufacturing method of carcass ply and/or belt using the rubber composition and the rubber composition | |
| CN110272594B (en) | High-wear-resistance high-temperature-resistance rubber and preparation method thereof | |
| CN115230266B (en) | Multi-layer structure wide-temperature-range oil-resistant sealing product and preparation method and application thereof | |
| CN111040314A (en) | Pump valve sealing ring with impact resistance and corrosion resistance | |
| CN105315524A (en) | Preparation method of abrasion-resistant rubber for automobile tire | |
| CN101633752A (en) | Polyolefins thermoplastic elastomer and preparation method thereof | |
| CN109082100B (en) | High-performance generator shock pad and preparation method thereof | |
| CN101867067B (en) | Anti-explosion nickel battery and anti-explosion ball and preparation method thereof | |
| CN106009109A (en) | Flame-retardant rubber-based damping friction-resistant sealing material and preparation method thereof | |
| CN109337377A (en) | A kind of anti-aging rubber sealing ring material and preparation method thereof | |
| CN110591261B (en) | Pre-dispersed masterbatch of vulcanization crosslinking activator of acrylate rubber and preparation method thereof | |
| CN114395174A (en) | Wear-resistant oil-proof butyronitrile patch glove and preparation method thereof | |
| CN106751039A (en) | The soft sealing gate valve rubber seal cover material and preparation method of a kind of low compressive deformation | |
| CN104592606A (en) | High-temperature-resistant rubber pipe for car | |
| CN104098848A (en) | Water heater rubber gasket and processing technology thereof | |
| CN109294018A (en) | A kind of nitrile rubber of the resistance to ozone-type of oil resistant | |
| CN105602014A (en) | Rubber outsole material and processing method thereof | |
| CN107759940A (en) | Automobile engine oil-retaining bearing ACM rubber seal and preparation method thereof | |
| CN107964131B (en) | Water-swelling rubber and preparation method and application thereof | |
| CN109486167A (en) | A kind of thermoplastic polyurethane hydraulic sealing ring material formula |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200421 |
|
| RJ01 | Rejection of invention patent application after publication |