Superior mechanical properties of reclaimed SBR with bimodal network

被引:43
作者
Isayev, AI
Kim, SH
Levin, VY
机构
[1] University of Akron, Department of Polymer Engineering, Akron
来源
RUBBER CHEMISTRY AND TECHNOLOGY | 1997年 / 70卷 / 02期
关键词
D O I
10.5254/1.3538424
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The correlation between the mechanical properties of revulcanized SBR, total and polysulfidic crosslink density, gel fraction of original vulcanizate, ultrasonically devulcanized, and revulcanized rubber is described. Under some processing conditions the tensile strength of revulcanized SBR is found to be much higher than that of the original vulcanizate with elongation at break being practically intact. A model explaining the increase in mechanical properties of revulcanized rubber is proposed.
引用
收藏
页码:194 / 201
页数:8
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