CN105400203A - Wear-resistant sealing rubber gasket - Google Patents
Wear-resistant sealing rubber gasket Download PDFInfo
- Publication number
- CN105400203A CN105400203A CN201510919632.2A CN201510919632A CN105400203A CN 105400203 A CN105400203 A CN 105400203A CN 201510919632 A CN201510919632 A CN 201510919632A CN 105400203 A CN105400203 A CN 105400203A
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- China
- Prior art keywords
- parts
- rubber
- wear
- resistance
- polyoxyethylene
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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
- 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
Abstract
The invention discloses a wear-resistant sealing rubber gasket, comprising 40 to 55 parts of silicone rubber, 20 to 25 parts of polysulfide rubber, 10 to 15 parts of carbon black, 3 to 7 parts of an antioxidant, 5 to 10 parts of magnesium oxide, 2 to 5 parts of promoter, 2 to 6 parts of polyoxyethylene, 4 to 7 parts of benzoic acid, 2 to 4 parts of an absorbent, 0.6 to 1 part of lead phosphite, 10 to 12 parts of modified attapulgite, 3 to 5 parts of a chemical antioxidant and 4 to 6 parts of calcium stearate. According to the invention, the modified attapulgite is added to improve the processing properties of a rubber compound; an environment-friendly compounding agent is employed to reduce the toxic and side effects of the rubber compound and pollution of the rubber compound to the environment; and the wear-resistant sealing rubber gasket is reasonable in a formula, simple in a process and low in cost and has good wear resistance, sealing performance, mechanical properties and ageing resistance. Vehicle rubber supported by the silicone rubber and the polysulfide rubber has the advantages of excellent aging resistance, oil resistance, good stability, etc. and can be better applied to the fields of automobiles and military equipment for sealing, sound insulation and shock absorption.
Description
Technical field
The present invention relates to Polymer Technology, especially, relate to a kind of wear-resistant seal rubber pad.
Background technology
Gasket is a kind of for inside such as machinery, equipment, pipelines, the material sealed.The gasket of current use mostly is rubber gasket, be characterized in: high temperature resistant, resistance to ozone, resistance to natural weathering, vacuum-resistant, fuel oil resistance, resistance to lubricating oil, powerful oxidation corrosion resistance agent, resistance to chemical reagents and electrical insulation capability are good, are widely used in national defense industry and civilian industry.But the defects such as existing rubber gasket sealing effectiveness is undesirable, wear resistance is poor, intensity is low, far can not meet actual requirement.Therefore research and develop a kind of high-performance rubber gasket and become the task of top priority.
Summary of the invention
The object of the invention is to provide a kind of wear-resistant seal rubber pad, solves the technical problem of sealing rubber pad wear resisting property difference in prior art.
In order to solve this technical problem, the present invention adopts following technical scheme:
A kind of wear-resistant seal rubber pad, mark meter is as follows by weight for its moiety: silicon rubber 40-55 part; Thiorubber 20-25 part; Carbon black 10-15 part; Anti-aging agent 3-7 part; Magnesium oxide 5-10 part; Promotor 2-5 part; Polyoxyethylene 2-6 part; Phenylformic acid 4-7 part; Absorption agent 2-4 part; Lead Phosphite, Dibasic (Coated) 0.6-1 part; Attapulgite modified 10-12; Chemical antiager 3-5 part; Calcium stearate 4-6 part.
Mark meter is as follows by weight for its moiety: 45 parts, silicon rubber; Thiorubber 25 parts; Carbon black 12 parts; 6 parts, anti-aging agent; 8 parts, magnesium oxide; Promotor 4 parts; Polyoxyethylene 5 parts; 6 parts, phenylformic acid; 4 parts, absorption agent; Lead Phosphite, Dibasic (Coated) 1 part; Attapulgite modified 4 parts; Chemical antiager 5 parts; Calcium stearate 6 parts.
Mark meter is as follows by weight for its moiety: 40 parts, silicon rubber; Thiorubber 20 parts; Carbon black 12 parts; 5 parts, anti-aging agent; 8 parts, magnesium oxide; Promotor 3 parts; Polyoxyethylene 4 parts; 5 parts, phenylformic acid; 4 parts, absorption agent; Lead Phosphite, Dibasic (Coated) 0.6 part; Attapulgite modified 5 parts; Chemical antiager 3 parts; Calcium stearate 4 parts.
Be made up of following concrete steps:
Step one, by silicon rubber, thiorubber, carbon black is close, and magnesium oxide adds in refining machine, is heated to 80-130 degree, mixing 3-5min;
Step 2, then add polyoxyethylene, phenylformic acid, Lead Phosphite, Dibasic (Coated), calcium stearate, mixing 6-8min;
Step 3, then add absorption agent, attapulgite modified, chemical antiager; Continue mixing 4-6min;
Step 4, adds all the other and takes advantage of the mixing 6-8min of remaining composition, and obtaining thiorubber is polythioalkane hydrocarbon polymer, and oil-proofness is good, Weather-resistant, and ventilation property is little, and electrical insulating property is also good.Solid-state glue is commonly used to manufacture the obturator of prime the fuel system, sebific duct and diaphragm.Use temperature scope-50 ~ 100 DEG C, the short period of time can reach 130 DEG C.Liquid glue is generally used for preparing sealing agent.Acrylic elastomer is a kind of new special rubber grown up in the world, has the performances such as excellent heat-resisting, oil resistant, cold-resistant, resistance to ozone.Thiorubber and acrylic elastomer use, obtain high temperature resistant, the advantage such as oil resistance, ventilation property are little, good stability.Be widely used in automobile, the high temperature oil closure material of military equipment, container conduit facing rubber stick and buildings seal gum, the outer protective sleeve etc. of sound insulation and anti-vibration article Special Wires and Cables.
Compared with prior art, the present invention has following beneficial effect:
1, the present invention adds attapulgite modified, improves the processing performance of sizing material, uses environment-friendly type Synergist S-421 95, reduces its toxic side effect and the pollution to environment; The present invention fills a prescription rationally, and technique is simple, and cost is low, has good wear resistance, stopping property and mechanical property, good ageing resistance.
2, add silicon rubber, automobile-used rubber that thiorubber supports has excellent ageing-resistant, the advantage such as oil resistant, stability are strong, can better for automobile, military equipment field, play the effect of sealing, sound insulation and damping.
Embodiment
For making object of the present invention and technical scheme clearly, below in conjunction with the embodiment of the present invention, technical scheme of the present invention is clearly and completely described.
A kind of wear-resistant seal rubber pad, mark meter is as follows by weight for its moiety: silicon rubber 40-55 part; Thiorubber 20-25 part; Carbon black 10-15 part; Anti-aging agent 3-7 part; Magnesium oxide 5-10 part; Promotor 2-5 part; Polyoxyethylene 2-6 part; Phenylformic acid 4-7 part; Absorption agent 2-4 part; Lead Phosphite, Dibasic (Coated) 0.6-1 part; , attapulgite modified 10-12; Chemical antiager 3-5 part; Calcium stearate 4-6 part.
Embodiment one:
A kind of wear-resistant seal rubber pad, mark meter is as follows by weight for its moiety: 45 parts, silicon rubber; Thiorubber 25 parts; Carbon black 12 parts; 6 parts, anti-aging agent; 8 parts, magnesium oxide; Promotor 4 parts; Polyoxyethylene 5 parts; 6 parts, phenylformic acid; 4 parts, absorption agent; Lead Phosphite, Dibasic (Coated) 1 part; Attapulgite modified 4 parts; Chemical antiager 5 parts; Calcium stearate 6 parts.
Wear-resistant seal Rubber gasket material, be made up of following concrete steps:
Step one, by silicon rubber, thiorubber, carbon black is close, and magnesium oxide adds in refining machine, is heated to 80-130 degree, mixing 3-5min;
Step 2, then add polyoxyethylene, phenylformic acid, Lead Phosphite, Dibasic (Coated), calcium stearate, mixing 6-8min;
Step 3, then add absorption agent, attapulgite modified, chemical antiager; Continue mixing 4-6min;
Step 4, adds all the other and takes advantage of the mixing 6-8min of remaining composition, to obtain final product
Embodiment two:
A kind of wear-resistant seal rubber pad, mark meter is as follows by weight for its moiety: 40 parts, silicon rubber; Thiorubber 20 parts; Carbon black 12 parts; 5 parts, anti-aging agent; 8 parts, magnesium oxide; Promotor 3 parts; Polyoxyethylene 4 parts; 5 parts, phenylformic acid; 4 parts, absorption agent; Lead Phosphite, Dibasic (Coated) 0.6 part; Attapulgite modified 5 parts; Chemical antiager 3 parts; Calcium stearate 4 parts.
Wear-resistant seal Rubber gasket material, be made up of following concrete steps:
Step one, by silicon rubber, thiorubber, carbon black is close, and magnesium oxide adds in refining machine, is heated to 80-130 degree, mixing 3-5min;
Step 2, then add polyoxyethylene, phenylformic acid, Lead Phosphite, Dibasic (Coated), calcium stearate, mixing 6-8min;
Step 3, then add absorption agent, attapulgite modified, chemical antiager; Continue mixing 4-6min;
Carry out characteristic measurement to rubber and General Purpose Rubber in embodiment one, two below, measurement result is as shown in table 1.
Table 1 rubber property measurement result
Shown by measurement result, advantages such as adding silicon rubber, automobile-used rubber that thiorubber supports has excellent ageing-resistant, oil resistant, be wear-resisting, for the high temperature oil closure material of automobile, military equipment, container conduit facing rubber stick and buildings seal gum, the outer protective sleeve etc. of sound insulation and anti-vibration article Special Wires and Cables.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention; For a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a wear-resistant seal rubber pad, is characterized in that, mark meter is as follows by weight for its moiety: silicon rubber 40-55 part; Thiorubber 20-25 part; Carbon black 10-15 part; Anti-aging agent 3-7 part; Magnesium oxide 5-10 part; Promotor 2-5 part; Polyoxyethylene 2-6 part; Phenylformic acid 4-7 part; Absorption agent 2-4 part; Lead Phosphite, Dibasic (Coated) 0.6-1 part; , attapulgite modified 10-12; Chemical antiager 3-5 part; Calcium stearate 4-6 part.
2. a kind of wear-resistant seal rubber pad according to claim 1, is characterized in that: mark meter is as follows by weight for its moiety: 45 parts, silicon rubber; Thiorubber 25 parts; Carbon black 12 parts; 6 parts, anti-aging agent; 8 parts, magnesium oxide; Promotor 4 parts; Polyoxyethylene 5 parts; 6 parts, phenylformic acid; 4 parts, absorption agent; Lead Phosphite, Dibasic (Coated) 1 part; Attapulgite modified 4 parts; Chemical antiager 5 parts; Calcium stearate 6 parts.
3. a kind of wear-resistant seal rubber pad according to claim 1, is characterized in that: mark meter is as follows by weight for its moiety: 40 parts, silicon rubber; Thiorubber 20 parts; Carbon black 12 parts; 5 parts, anti-aging agent; 8 parts, magnesium oxide; Promotor 3 parts; Polyoxyethylene 4 parts; 5 parts, phenylformic acid; 4 parts, absorption agent; Lead Phosphite, Dibasic (Coated) 0.6 part; Attapulgite modified 5 parts; Chemical antiager 3 parts; Calcium stearate 4 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510919632.2A CN105400203A (en) | 2015-12-11 | 2015-12-11 | Wear-resistant sealing rubber gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510919632.2A CN105400203A (en) | 2015-12-11 | 2015-12-11 | Wear-resistant sealing rubber gasket |
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| Publication Number | Publication Date |
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| CN105400203A true CN105400203A (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510919632.2A Pending CN105400203A (en) | 2015-12-11 | 2015-12-11 | Wear-resistant sealing rubber gasket |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108676378A (en) * | 2018-05-16 | 2018-10-19 | 安徽三环水泵有限责任公司 | A kind of preparation method of pump valve seal pad |
| CN112480676A (en) * | 2020-12-26 | 2021-03-12 | 江苏汉龙航空科技发展有限公司 | Vibration isolation and noise reduction damping for ships |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649099A (en) * | 2009-09-17 | 2010-02-17 | 上海众力汽车部件有限公司 | Durable high-temperature resisting acrylate rubber composition |
| CN103665499A (en) * | 2013-11-15 | 2014-03-26 | 蚌埠赛英电子科技发展有限公司 | Rubber-synthesized sealing gasket material and preparation method thereof |
-
2015
- 2015-12-11 CN CN201510919632.2A patent/CN105400203A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649099A (en) * | 2009-09-17 | 2010-02-17 | 上海众力汽车部件有限公司 | Durable high-temperature resisting acrylate rubber composition |
| CN103665499A (en) * | 2013-11-15 | 2014-03-26 | 蚌埠赛英电子科技发展有限公司 | Rubber-synthesized sealing gasket material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 中国石油和石化工程研究会: "《合成橡胶》", 31 August 2012, 中国石化出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108676378A (en) * | 2018-05-16 | 2018-10-19 | 安徽三环水泵有限责任公司 | A kind of preparation method of pump valve seal pad |
| CN112480676A (en) * | 2020-12-26 | 2021-03-12 | 江苏汉龙航空科技发展有限公司 | Vibration isolation and noise reduction damping for ships |
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Application publication date: 20160316 |