CN106751854A - A kind of sealing ring of low temperature resistant medium - Google Patents
A kind of sealing ring of low temperature resistant medium Download PDFInfo
- Publication number
- CN106751854A CN106751854A CN201611134144.1A CN201611134144A CN106751854A CN 106751854 A CN106751854 A CN 106751854A CN 201611134144 A CN201611134144 A CN 201611134144A CN 106751854 A CN106751854 A CN 106751854A
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- China
- Prior art keywords
- parts
- rubber
- low temperature
- sealing ring
- temperature resistant
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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
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- 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
-
- 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)
- Compositions Of Macromolecular Compounds (AREA)
- Sealing Material Composition (AREA)
Abstract
The present invention provides a kind of sealing ring of low temperature resistant medium, and its constituent and mass fraction shared by each composition are respectively：Silicon rubber：20~44 parts, butadiene rubber：15~33 parts, base rubber：5~11 parts, polytetrafluoroethylene (PTFE)：4~9 parts, polyvinyl alcohol：3~7 parts, glass fibre：5~9 parts, ceramic powders：7~11 parts, stearic acid：0.5~2 part, manganese dioxide：1~3 part, Petropols：2~4 parts；The mass ratio of silicon rubber, butadiene rubber and butyl rubber is 4:3:1.The present invention not only has good resistance to low temperature, while also having outstanding combination property, is prevented effectively from the generation of cracking, remains stable over operation, and low cost of manufacture.
Description
Technical field
The invention belongs to technical field of sealing technology, a kind of sealing ring of low temperature resistant medium of specific design.
Background technology
With popularization and popularization that all trades and professions streamlined is produced, the pipeline that various circulations have cryogenic media everywhere may be used
See, in order to ensure the sealing of pipeline, junction between tubes and pipeline and junction of valve etc. are required for installing
Sealing ring is ensureing overall tightness.But due to being the cryogenic media of circulation in pipeline, sealing ring is in long-time low temperature effect
Under, its performance can gradually be affected.
Therefore, it is the difficulty that those skilled in the art are badly in need of solving to solve problem above develop a kind of sealing ring
Topic.
The content of the invention
To solve the above problems, the invention discloses a kind of sealing ring of low temperature resistant medium.
In order to achieve the above object, the present invention provides following technical scheme：
A kind of sealing ring of low temperature resistant medium, its constituent and mass fraction shared by each composition are respectively：
Silicon rubber：20~44 parts,
Butadiene rubber：15~33 parts,
Butyl rubber：5~11 parts,
Polytetrafluoroethylene (PTFE)：4~9 parts,
Polyvinyl alcohol：3~7 parts,
Glass fibre：5~9 parts,
Ceramic powders：7~11 parts,
Stearic acid：0.5~2 part,
Manganese dioxide：1~3 part,
Petropols：2~4 parts；
The mass ratio of silicon rubber, butadiene rubber and butyl rubber is 4:3:1.
Preferably, the constituent of ceramic powders and ceramic powders mass fraction is respectively shared by each composition：Dioxy
SiClx：7~11 parts, magnesia：2~5 parts, zirconium silicate：1~4 part, sericite：2~4 parts, apatite：6~9 parts.
Preferably, the sealing ring constituent and mass fraction shared by each composition of low temperature resistant medium are respectively：
Silicon rubber：24~36 parts,
Butadiene rubber：18~27 parts,
Butyl rubber：6~9 parts,
Polytetrafluoroethylene (PTFE)：6~8 parts,
Polyvinyl alcohol：4~6.5 parts,
Glass fibre：5~7 parts,
Ceramic powders：8.5~10 parts,
Stearic acid：1~2 part,
Manganese dioxide：2~3 parts,
Petropols：2~3 parts；
The mass ratio of silicon rubber, butadiene rubber and butyl rubber is 4:3:1.
Present invention also offers the optimal components proportioning of one group of low temperature resistant medium-tight circle, constituent and each composition institute
Mass fraction is accounted for be respectively：
Silicon rubber：28 parts,
Butadiene rubber：21 parts,
Butyl rubber：7 parts,
Polytetrafluoroethylene (PTFE)：7 parts,
Polyvinyl alcohol：5 parts,
Glass fibre：6 parts,
Ceramic powders：9 parts,
Stearic acid：2 parts,
Manganese dioxide：3 parts,
Petropols：3 parts.
The invention provides one kind by silicon rubber, butadiene rubber, butyl rubber, polytetrafluoroethylene (PTFE), polyvinyl alcohol, glass fibers
Dimension,
The low temperature resistant medium-tight circle of ceramic powders, stearic acid, manganese dioxide and Petropols composition, wherein silicon rubber, suitable
After buna, butyl rubber mixing, resistance to low temperature is especially notable；The addition of polytetrafluoroethylene (PTFE) can strengthen overall low temperature resistant
Property；The addition of glass fibre and ceramic powders being capable of effective lift-off seal circle bulk strength；Polyvinyl alcohol and manganese dioxide
All there is unique strong adherence, the bonding of each composition in the present invention, improving stability can be promoted.
It is of the invention compared with existing sealing ring, not only with good resistance to low temperature, at the same also have outstanding synthesis
Performance, is prevented effectively from the generation of cracking, remains stable over operation, and low cost of manufacture.
Specific embodiment
The technical scheme that the present invention is provided is described in detail below with reference to specific embodiment, it should be understood that following specific
Implementation method is only illustrative of the invention and is not intended to limit the scope of the invention.
Embodiment 1：
A kind of sealing ring of low temperature resistant medium, its constituent and mass fraction shared by each composition are respectively：
Silicon rubber：20 parts,
Butadiene rubber：15 parts,
Butyl rubber：5 parts,
Polytetrafluoroethylene (PTFE)：4 parts,
Polyvinyl alcohol：3 parts,
Glass fibre：5 parts,
Ceramic powders：7 parts,
Stearic acid：0.5 part,
Manganese dioxide：1 part,
Petropols：2 parts.
The constituent of ceramic powders and ceramic powders mass fraction is respectively shared by each composition：Silica：7 parts,
Magnesia：2 parts, zirconium silicate：1 part, sericite：2 parts, apatite：6 parts.
Embodiment 2：
A kind of sealing ring of low temperature resistant medium, its constituent and mass fraction shared by each composition are respectively：
Silicon rubber：44 parts,
Butadiene rubber：33 parts,
Butyl rubber：11 parts,
Polytetrafluoroethylene (PTFE)：9 parts,
Polyvinyl alcohol：7 parts,
Glass fibre：9 parts,
Ceramic powders：11 parts,
Stearic acid：2 parts,
Manganese dioxide：3 parts,
Petropols：4 parts.
The constituent of ceramic powders and ceramic powders mass fraction is respectively shared by each composition：Silica：11 parts,
Magnesia：5 parts, zirconium silicate：4 parts, sericite：4 parts, apatite：9 parts.
Embodiment 3：
A kind of sealing ring of low temperature resistant medium, its constituent and mass fraction shared by each composition are respectively：
Silicon rubber：28 parts,
Butadiene rubber：21 parts,
Butyl rubber：7 parts,
Polytetrafluoroethylene (PTFE)：7 parts,
Polyvinyl alcohol：5 parts,
Glass fibre：6 parts,
Ceramic powders：9 parts,
Stearic acid：2 parts,
Manganese dioxide：3 parts,
Petropols：3 parts.
The mass ratio of silicon rubber, butadiene rubber and butyl rubber is 4:3:1.
The constituent of ceramic powders and ceramic powders mass fraction is respectively shared by each composition：Silica：9 parts,
Magnesia：4 parts, zirconium silicate：3 parts, sericite：2 parts, apatite：7 parts.
It is last it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention and non-limiting technical side
Case, it will be understood by those within the art that, those modify or equivalent to technical scheme, and
The objective and scope of the technical program are not departed from, all should be covered in the middle of scope of the presently claimed invention.
Claims (4)
1. a kind of sealing ring of low temperature resistant medium, it is characterised in that：Its constituent and mass fraction difference shared by each composition
For：
Silicon rubber：20~44 parts,
Butadiene rubber：15~33 parts,
Butyl rubber：5~11 parts,
Polytetrafluoroethylene (PTFE)：4~9 parts,
Polyvinyl alcohol：3~7 parts,
Glass fibre：5~9 parts,
Ceramic powders：7~11 parts,
Stearic acid：0.5~2 part,
Manganese dioxide：1~3 part,
Petropols：2~4 parts；
The mass ratio of the silicon rubber, butadiene rubber and butyl rubber is 4:3:1.
2. the sealing ring of a kind of low temperature resistant medium according to claim 1, it is characterised in that：The composition of the ceramic powders
Composition and ceramic powders mass fraction is respectively shared by each composition：Silica：7~11 parts, magnesia：2~5 parts, silicic acid
Zirconium：1~4 part, sericite：2~4 parts, apatite：6~9 parts.
3. the sealing ring of a kind of low temperature resistant medium according to claim 1, it is characterised in that：Its constituent and it is each into
Mass fraction shared by point is respectively：
Silicon rubber：24~36 parts,
Butadiene rubber：18~27 parts,
Butyl rubber：6~9 parts,
Polytetrafluoroethylene (PTFE)：6~8 parts,
Polyvinyl alcohol：4~6.5 parts,
Glass fibre：5~7 parts,
Ceramic powders：8.5~10 parts,
Stearic acid：1~2 part,
Manganese dioxide：2~3 parts,
Petropols：2~3 parts；
The mass ratio of the silicon rubber, butadiene rubber and butyl rubber is 4:3:1.
4. the sealing ring of a kind of low temperature resistant medium according to claim 1, it is characterised in that：Its constituent and it is each into
Mass fraction shared by point is respectively：
Silicon rubber：28 parts,
Butadiene rubber：21 parts,
Butyl rubber：7 parts,
Polytetrafluoroethylene (PTFE)：7 parts,
Polyvinyl alcohol：5 parts,
Glass fibre：6 parts,
Ceramic powders：9 parts,
Stearic acid：2 parts,
Manganese dioxide：3 parts,
Petropols：3 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611134144.1A CN106751854A (en) | 2016-12-10 | 2016-12-10 | A kind of sealing ring of low temperature resistant medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611134144.1A CN106751854A (en) | 2016-12-10 | 2016-12-10 | A kind of sealing ring of low temperature resistant medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106751854A true CN106751854A (en) | 2017-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611134144.1A Pending CN106751854A (en) | 2016-12-10 | 2016-12-10 | A kind of sealing ring of low temperature resistant medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107400278A (en) * | 2017-08-12 | 2017-11-28 | 安徽英科成流体科技有限公司 | A kind of valve pressure-resistant seal loop material matter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1896123A (en) * | 2005-07-12 | 2007-01-17 | 北京化工大学 | Improvement of rubber compression elasticity at low-temperature |
| CN104371148A (en) * | 2014-10-28 | 2015-02-25 | 昆山艾士比高分子科技有限公司 | Low temperature resistant high-toughness rubber material |
-
2016
- 2016-12-10 CN CN201611134144.1A patent/CN106751854A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1896123A (en) * | 2005-07-12 | 2007-01-17 | 北京化工大学 | Improvement of rubber compression elasticity at low-temperature |
| CN104371148A (en) * | 2014-10-28 | 2015-02-25 | 昆山艾士比高分子科技有限公司 | Low temperature resistant high-toughness rubber material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107400278A (en) * | 2017-08-12 | 2017-11-28 | 安徽英科成流体科技有限公司 | A kind of valve pressure-resistant seal loop material matter |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |