Anti-tearing regenerated rubber sealing ring and preparation method thereof

一种抗撕裂再生橡胶密封圈及其制备方法

Abstract

本发明公开了一种抗撕裂再生橡胶密封圈,其是由下述重量份的原料制得:再生橡胶60-80,聚对苯二甲酸乙二醇酯5-10,轻质碳酸钙20-30,氢化松香甘油酯0.5-1,木质素磺酸钠0.1-0.2,乙烯-辛烯共聚物3-5,硫磺1-2,松香4-6,丙烯酸丁酯2-4,硬脂酸锌1-2,过硫酸钾0.1-0.2,环烷油1-2,复合助剂5-10。本发明的再生橡胶密封圈具有良好的力学性能和使用性能,密封性好,综合性能高,抗撕裂性能好,能承受较大的工作压力,应用范围广泛。
The invention discloses an anti-tearing regenerated rubber sealing ring. The anti-tearing regenerated rubber sealing ring is prepared from raw materials in parts by weight as follows: 60-80 parts of regenerated rubber, 5-10 parts of polyethylene glycol terephthalate, 20-30 parts of light calcium carbonate, 0.5-1 part of hydrogenated rosin glycerol ester, 0.1-0.2 parts of sodium lignin sulfonate, 3-5 parts of an ethylene-octylene copolymer, 1-2 parts of sulphur, 4-6 parts of rosin, 2-4 parts of butyl acrylate, 1-2 parts of zinc stearate, 0.1-0.2 parts of potassium persulfate, 1-2 parts of naphthenic oil and 5-10 parts of a composite auxiliary agent. The regenerated rubber sealing ring has good mechanical performance and use performance, good sealing performance, high comprehensive performance and good anti-tearing performance, can bear larger work pressure and has a wide application range.

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Patent Citations (3)

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