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发明授权
CN106832463B 一种耐生物燃油橡胶密封件材料及其制备方法 有权

一种耐生物燃油橡胶密封件材料及其制备方法
摘要：
本发明公开了一种耐生物燃油橡胶密封件材料，其原料按重量份包括：丁腈橡胶与聚氯乙烯的混合物100份，快压出炭黑50‑70份，间接法氧化锌3‑8份，硬脂酸1‑2份，2,2,4‑三甲基‑1，2‑二氢化喹啉聚合物1‑3份，4,4’‑双(α,α‑二甲基苄基)二苯胺1‑3份，聚酯增塑剂5‑10份，氢氧化钙3‑8份，超高分子量聚乙烯3‑5份，石蜡1‑3份，硫磺1‑2份，促进剂TMTD 0.5‑1.5份，促进剂CBS 1‑3份。本发明还公开了上述耐生物燃油橡胶密封件材料的制备方法。本发明既能有效抵抗生物燃油的膨胀腐蚀，也能防止生物燃油的抽出腐蚀，具有良好的耐生物燃油性。
摘要（英）：

The invention discloses a biological fuel oil-resistant rubber sealing element material, which is prepared from the following raw materials in parts by weight: 100 parts of a mixture of nitrile rubber and polyvinyl chloride, 50-70 parts of fast extruded carbon black, 3-8 parts of an indirect zinc oxide, 1-2 parts of stearic acid, 1-3 parts of 2,2,4-trimethyl-1,2-dihydroquinoline polymer, 1-3 parts of 4,4-bis(a,a-dimethyl benzyl)-diphenylamine, 5-10 parts of a polyester plasticizer, 3-8 parts of calcium hydroxide, 3-5 parts of ultra high molecular weight polyethylene, 1-3 parts of paraffin, 1-2 parts of sulphur, 0.5-1.5 parts of an accelerant TMTD and 1-3 parts of an accelerant CBS. The invention further discloses a preparation method of the biological fuel oil-resistant rubber sealing element material. The biological fuel oil-resistant rubber sealing element material is capable of effectively resisting expanding corrosion of biological fuel oil and preventing extracting corrosion of biological fuel oil, and has good biological fuel oil resistance.

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