| 改性炭黑增强三元乙丙橡胶的力学性能与加工性能 |
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| 引用本文： | 徐丽,游长江,莫海林,杨军,贾德民.改性炭黑增强三元乙丙橡胶的力学性能与加工性能[J].合成橡胶工业,2007,30(3):215-218. |
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| 作者姓名： | 徐丽 游长江 莫海林 杨军 贾德民 |
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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. 湖南株洲时代新材料有限责任公司,技术中心,湖南,株洲,412007 |
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| 基金项目： | 国家863轨道交通减震用高性能纳米弹性体的研究项目
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广东省自然科学基金 |
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| 摘 要： | 研究了用甲基丙烯酸缩水甘油酯(GMA)、甲基丙烯酸-2-羟乙酯(HEMA)和N-羟甲基丙烯酰胺(NMA)3种单体改性炭黑增强三元乙丙橡胶(EPDM)的力学性能,并用橡胶加工分析仪分析了GMA、HEMA和NMA改性炭黑对EPDM未硫化胶的加工性能。结果表明,GMA、HEMA和NMA改性炭黑均改善了EPDM硫化胶的力学性能,当其用量分别为3.75,3,3份时,EPDM硫化胶的定伸应力、拉伸强度和撕裂强度达到最佳值;降低频率、提高应变或温度有利于改善改性炭黑增强EPDM的加工性能。
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| 关 键 词： | 改性炭黑 三元乙丙橡胶 力学性能 加工性能 |
| 文章编号： | 1000-1255（2007）03-0215-04 |
| 修稿时间： | 2006-02-23 |
Effect of modified carbon black on mechanical properties and processability of ethylene-propylene-diene rubber |
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| Xu li,You Changjiang,Mo Hailin,Yang Jun,Jia Demin.Effect of modified carbon black on mechanical properties and processability of ethylene-propylene-diene rubber[J].China Synthetic Rubber Industry,2007,30(3):215-218. |
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| Authors: | Xu li You Changjiang Mo Hailin Yang Jun Jia Demin |
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| Affiliation: | 1. College of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China;2. Technology Center, Zhuzhou Times New Materials Technology Co Ltd,Zhuzhou 412007, China |
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| Abstract: | Carbon black modified with glycidyl methacrylate(GMA),hydroxyethyl methacrylate(HEMA)and N-hydroxy methyl amide(NMA)were used in ethylene -propylene-diene rubber (EPDM). Mechanical properties of the EPDM reinforced by the modified carbon black were investigated and the processability of their uncured rubber were studied by rubber process analyzer with frequency scan,strain scan and temperature sweeps. The results showed that when the dosages of GMA, HEMA and NMA were 3.75, 3,3 phr, respectively, the modulus at 100% and 300%, tensile strength and tear strength of EPDM vulcanizates reinforced with modified carbon black reached the optimum values. The processability of uncured EPDM would be improved by decreasing process frequency,increasing strain or temperature. |
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| Keywords: | modified carbon black ethylene-propylene-diene rubber mechanical property processability |
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