| 吉尔130汽车发动机供油系统O形密封圈的研制 |
| Development of O-ring in Engine Fuel System of Geer 130 Model Automobile |
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| DOI： |
| 中文关键词: O形密封圈 NBR 耐寒增塑剂 硫化体系 |
| 英文关键词: O-ring NBR cold resistant plasticizer curing system |
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| 摘要点击次数: 549 |
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| 中文摘要: |
| 含有活性添加剂的M-8Bl和M-8T2K的两种油品对NBR-18 O形密封圈有一定的副作用，通过调整NBR胶料硫化体系（硫黄 0.3；促进剂CZ l.5；促进剂M 0.5；硫化剂DCP 2.0）和补强剂炭黑的用量（高耐磨炭黑 55；喷雾炭黑 40），可以使其满足抗两种油品侵蚀的性能要求。另外，在NBR胶料中添加25份耐寒增塑剂（邻苯二甲酸二丁酯 10；癸二酸二辛酯 15），可提高胶料的耐低温性能，并使脆性温度降至-65℃以下。 |
| 英文摘要: |
| An adverse effect of two active additive containing oils M-8Bl and M-8T2K was found on NBR-18 0-ring in the engine fuel system.The resistance of O-ring to the two oils could be improved by the adjustment of curing system （sulfur 0.3 phr；accelerator CZ l.5 phr；accelerator M 0.5 phr；DCP 2.0 phr） and carbon black level （HAF 55 phr；sprayed carbon black 40 phr）.In addition，25 phr of cold resistant plasticizer （dibutyl phthalate 10 phr；dioctyl sebacate 15 phr） were added into NBR compound to improve the cold resistance of the compound and lower its brittle temperature to -65℃. |
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