| 不饱和羟基脂肪酸原位改性炭黑补强三元乙丙橡胶的性能 |
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| 引用本文： | 姜其斌,贾德民,杨军.不饱和羟基脂肪酸原位改性炭黑补强三元乙丙橡胶的性能[J].弹性体,2004,14(2):25-29. |
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| 作者姓名： | 姜其斌 贾德民 杨军 |
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| 作者单位： | 1. 华南理工大学,材料科学与工程学院,广东,广州,510640
2. 株洲时代新材料科技股份有限公司技术中心,湖南,株洲,412007 |
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| 基金项目： | 国家863项目(2001AA334010)和国家自然科学基金资助项目(599933060) |
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| 摘 要： | 本文研究了不饱和羟基脂肪酸原位改性炭黑补强三元乙丙橡胶(EPDM)的硫化特性、加工性能和物理机械性能，测试了硫化胶的热氧老化性能和屈挠疲劳性能：结果表明：随着不饱和羟基脂肪酸用量的增加，硫化胶的300％定伸强度略有下降，拉伸强度和撕裂强度上升，扯断伸长率先上升然后趋于平缓，动态疲劳性能显著改善。同时硫化胶具有较好的加工性能和热氧老化性能。
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| 关 键 词： | 不饱和羟基脂肪酸 原位改性 炭黑 三元乙丙橡胶 EPDM |
| 文章编号： | 1005-3174(2004)02-0025-05 |
| 修稿时间： | 2004年3月4日 |
Modification in situ of EPDM filled with carbon black by unsaturated hydroxyl fatty acid |
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| JIANG Qi-bin,JIA De-min,YANG Jun.Modification in situ of EPDM filled with carbon black by unsaturated hydroxyl fatty acid[J].China Elastomerics,2004,14(2):25-29. |
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| Authors: | JIANG Qi-bin JIA De-min YANG Jun |
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| Affiliation: | JIANG Qi-bin~1,JIA De-min~1,YANG Jun~2 |
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| Abstract: | In this paper the vulcanizing properties and mechanical-physical properties of modified in-situ EPDM vulcanizates filled with carbon black by unsaturated hydroxyl fatty acid were studied. The ageing and flexure fatigue properties of EPDM vulcanizates were analyzed, too. The results showed that the addition of unsaturated hydroxyl fatty acid had obvious effects on EPDM vulcanizates, the modulus at 300% decrease slowly with the increase of unsaturated hydroxyl fatty acid, whereas tensile strength, tear strength showed opposite trends, and elongation at break passed through a maximum as the concentration of unsaturated hydroxyl fatty acid increased, the flexure fatigue properties were enhanced remarkably. At the mean time, the EPDM vulcanizates were provided with better processing and ageing properties. |
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| Keywords: | unsaturated hydroxyl fatty acid modification in-situ carbon black EPDM |
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