CN103524959A - Seal ring for diesel engine cylinder sleeve - Google Patents
Seal ring for diesel engine cylinder sleeve Download PDFInfo
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- CN103524959A CN103524959A CN201310430606.4A CN201310430606A CN103524959A CN 103524959 A CN103524959 A CN 103524959A CN 201310430606 A CN201310430606 A CN 201310430606A CN 103524959 A CN103524959 A CN 103524959A
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Abstract
The invention discloses a seal ring for a diesel engine cylinder sleeve, which comprises the following raw materials in parts by weight: 70-80 parts of binary fluororubber, 20-30 parts of chlorosulfonated polyethylene rubber, 10-15 parts of light calcium carbonate, 10-12 parts of wollastonite powder, 1-2 parts of waste iron powder, 1-2 parts of ethylene bis stearamide, 3-4 parts of dimethyl isophthalate, 1-2 parts of magnesium oxide, 3-4 parts of pentaerythritol, 1-2 parts of anti-aging agent RD, 3-4 parts of palm wax, 1-2 parts of gamma-aminopropyl triethoxy silane, 0.4-0.6 part of sulfur and 5-10 parts of modifying assistant. The seal ring disclosed by the invention has long service life and favorable stability, can still keep a favorable state during overhaul after use of several months, has the advantages of no rupture, no bubble, no softening, no deformation and favorable oil resistance and high-and-low-temperature resistance, and is safe and effective.
Description
Technical field
The present invention relates generally to a kind of sealing-ring, relates in particular to a kind of diesel motor cylinder liner packing ring.
Background technology
Fluoroelastomer, owing to possessing the character of excellent flame retardant resistance, resistance to air loss, high temperature resistant, oil resistant, resistance to solvent, resistance to combustion, chemically-resistant thing and weather, is generally used in car industry, chemical processing procedure, space flight and many task industry.
Summary of the invention
The object of the invention is just to provide a kind of diesel motor cylinder liner packing ring.
The present invention is achieved by the following technical solutions:
A cylinder liner packing ring, it is comprised of the raw material of following weight parts:
Binary fluorine rubber 70-80, chlorosulfonated polyethylene rubber 20-30, light calcium carbonate 10-15, wollastonite powder 10-12, scrap iron powder 1-2, ethylene bis stearamide 1-2, dimethyl isophthalate 3-4, magnesium oxide 1-2, tetramethylolmethane 3-4, anti-aging agent RD 1-2, palm wax 3-4, γ-aminopropyl triethoxysilane 1-2, sulphur 0.4-0.6, modified additive 5-10;
Described modified additive is comprised of the raw material of following weight parts:
Superfine powder of polytetrafluoroethylene 60-70, nano-bentonite 10-20, hexagonal boron nitride 4-5, polyphenylene sulfide PR375-7, stearic acid direactive glyceride 2-3, Jojoba oil 2-3;
Above-mentioned nano-bentonite, hexagonal boron nitride, polyphenylene sulfide PR37 are mixed, add Jojoba oil, 300-400 rev/min of dispersed with stirring 3-5 minute, obtains Preblend; Stearic acid direactive glyceride is heated to 55-60 ℃, and is cooled to normal temperature after superfine powder of polytetrafluoroethylene mixing and stirring, add above-mentioned Preblend, fully stir, obtain described modified additive.
A preparation method for diesel motor cylinder liner packing ring, comprises the following steps:
Above-mentioned light calcium carbonate, wollastonite powder are mixed, at 100-120 ℃, pre-heat agitated 3-5 minute, adds dimethyl isophthalate, and after fully stirring, reducing temperature is 60-70 ℃, add γ-aminopropyl triethoxysilane, 400-500 rev/min of dispersed with stirring 2-3 minute, is cooled to normal temperature, adds each raw material of residue, be placed in mixing facilities mixing evenly after, through extruding premolding, at 170-180 ℃ on vulcanizing press molded vulcanization 6-10 minute, obtain described diesel motor cylinder liner packing ring.
Advantage of the present invention is:
Sealing-ring long service life of the present invention, good stability, use the several months after maintenance still can keep good state, non-cracking, without bubbling, without softening, without distortion, oil-proofness, high and low temperature resistance are strong, safe and effective.
Embodiment
Embodiment 1
A cylinder liner packing ring, it by following weight parts (kilogram) raw material form:
Binary fluorine rubber FE260380, chlorosulfonated polyethylene rubber 30, light calcium carbonate 15, wollastonite powder 12, scrap iron powder 2, ethylene bis stearamide 2, dimethyl isophthalate 3, magnesium oxide 2, tetramethylolmethane 3, anti-aging agent RD 2, palm wax 3, γ-aminopropyl triethoxysilane 1, sulphur 0.6, modified additive 10;
Described modified additive is comprised of the raw material of following weight parts:
Superfine powder of polytetrafluoroethylene 70, nano-bentonite 20, hexagonal boron nitride 5, polyphenylene sulfide PR377, stearic acid direactive glyceride 2, Jojoba oil 3;
Above-mentioned nano-bentonite, hexagonal boron nitride, polyphenylene sulfide PR37 are mixed, add Jojoba oil, 400 revs/min of dispersed with stirring 3 minutes, obtain Preblend; Stearic acid direactive glyceride is heated to 60 ℃, and is cooled to normal temperature after superfine powder of polytetrafluoroethylene mixing and stirring, add above-mentioned Preblend, fully stir, obtain described modified additive.
A preparation method for diesel motor cylinder liner packing ring, comprises the following steps:
Above-mentioned light calcium carbonate, wollastonite powder are mixed, at 120 ℃, pre-heat agitated is 5 minutes, adds dimethyl isophthalate, and after fully stirring, reducing temperature is 70 ℃, add γ-aminopropyl triethoxysilane, 500 revs/min of dispersed with stirring 2 minutes, are cooled to normal temperature, add each raw material of residue, be placed in mixing facilities mixing evenly after, through extruding premolding, at 180 ℃ on vulcanizing press molded vulcanization 10 minutes, obtain described diesel motor cylinder liner packing ring.
Claims (2)
1. a diesel motor cylinder liner packing ring, is characterized in that it is comprised of the raw material of following weight parts:
Binary fluorine rubber 70-80, chlorosulfonated polyethylene rubber 20-30, light calcium carbonate 10-15, wollastonite powder 10-12, scrap iron powder 1-2, ethylene bis stearamide 1-2, dimethyl isophthalate 3-4, magnesium oxide 1-2, tetramethylolmethane 3-4, anti-aging agent RD 1-2, palm wax 3-4, γ-aminopropyl triethoxysilane 1-2, sulphur 0.4-0.6, modified additive 5-10;
Described modified additive is comprised of the raw material of following weight parts:
Superfine powder of polytetrafluoroethylene 60-70, nano-bentonite 10-20, hexagonal boron nitride 4-5, polyphenylene sulfide PR37 5-7, stearic acid direactive glyceride 2-3, Jojoba oil 2-3;
Above-mentioned nano-bentonite, hexagonal boron nitride, polyphenylene sulfide PR37 are mixed, add Jojoba oil, 300-400 rev/min of dispersed with stirring 3-5 minute, obtains Preblend; Stearic acid direactive glyceride is heated to 55-60 ℃, and is cooled to normal temperature after superfine powder of polytetrafluoroethylene mixing and stirring, add above-mentioned Preblend, fully stir, obtain described modified additive.
2. a preparation method for diesel motor cylinder liner packing ring as claimed in claim 1, is characterized in that comprising the following steps:
Above-mentioned light calcium carbonate, wollastonite powder are mixed, pre-heat agitated 3-5 minute at 100-120 ℃, add dimethyl isophthalate, after fully stirring, reducing temperature is 60-70 ℃, add γ-aminopropyl triethoxysilane, 400-500 rev/min of dispersed with stirring 2-3 minute, be cooled to normal temperature, add each raw material of residue, be placed in mixing facilities mixing evenly after, through extruding premolding, at 170-180 ℃ on vulcanizing press molded vulcanization 6-10 minute, obtain described diesel motor cylinder liner packing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310430606.4A CN103524959B (en) | 2013-09-18 | 2013-09-18 | A kind of Diesel engine cylinder liner packing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310430606.4A CN103524959B (en) | 2013-09-18 | 2013-09-18 | A kind of Diesel engine cylinder liner packing ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103524959A true CN103524959A (en) | 2014-01-22 |
| CN103524959B CN103524959B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310430606.4A Active CN103524959B (en) | 2013-09-18 | 2013-09-18 | A kind of Diesel engine cylinder liner packing ring |
Country Status (1)
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| CN (1) | CN103524959B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4387168A (en) * | 1980-09-26 | 1983-06-07 | Daikin Kogyo Co., Ltd. | Adhesive composition comprising a fluorine containing elastomer and fibrated PTFE |
| CN102061046A (en) * | 2010-12-10 | 2011-05-18 | 上海众力汽车部件有限公司 | Self-lubricating high-wear resistance oil seal and production method thereof |
| CN102585403A (en) * | 2012-03-12 | 2012-07-18 | 青岛开世密封工业有限公司 | Material formulation for oil seal both for rubber and plastic and material manufacturing method thereof |
-
2013
- 2013-09-18 CN CN201310430606.4A patent/CN103524959B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4387168A (en) * | 1980-09-26 | 1983-06-07 | Daikin Kogyo Co., Ltd. | Adhesive composition comprising a fluorine containing elastomer and fibrated PTFE |
| CN102061046A (en) * | 2010-12-10 | 2011-05-18 | 上海众力汽车部件有限公司 | Self-lubricating high-wear resistance oil seal and production method thereof |
| CN102585403A (en) * | 2012-03-12 | 2012-07-18 | 青岛开世密封工业有限公司 | Material formulation for oil seal both for rubber and plastic and material manufacturing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 吴德全: ""板式换热器用氟橡胶和EPDM密封垫"", 《合成橡胶工业》, vol. 19, no. 2, 15 March 1996 (1996-03-15), pages 117 * |
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| CN103524959B (en) | 2016-06-29 |
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Effective date of registration: 20180626 Address after: 213200 Jiangsu Changzhou Jintan District five leaves CHENFENG West Street Patentee after: Changzhou City, Jintan dedicated rubber & Plastic Co. Ltd. Address before: 244131 Jinqiao Industrial Park, Tongling County, Tongling, Anhui Patentee before: TONGLING XINCHUANG FLUID TECHNOLOGY CO., LTD. |