Microscopic Observation of Aging of Silica Particles in Unvulcanized Rubber

被引：55
|
作者：
Shinohara, Yuya [1 ]
Kishimoto, Hiroyuki [1 ,2 ]
Yagi, Naoto [3 ,4 ]
Amemiya, Yoshiyuki [1 ,4 ]
机构：
[1] Univ Tokyo, Dept Adv Mat Sci, Chiba 2778561, Japan
[2] Sumitomo Rubber Ind Co Ltd, Kobe, Hyogo, Japan
[3] JASRI SPring 8, Hyogo, Japan
[4] CREST JST, Tokyo, Japan
来源：
MACROMOLECULES | 2010年 / 43卷 / 22期
关键词：
HETEROGENEOUS DYNAMICS; FILLER INTERACTIONS; POLYMER-FILLER; SLOW DYNAMICS; SCATTERING; RHEOLOGY; PROCESSABILITY; APPROXIMATIONS;
D O I：
10.1021/ma102095b
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 dynamics of silica particles in unvulcanized rubber is investigated by X ray photon correlation spectroscopy (XPCS) The results show the aging behavior of the dynamics, the dynamics of particles slows down as the aging time increases This slowing down is not accompanied by a change in the configuration of aggregates in size scales of micrometers and sub micrometers The aging behavior depends on the type of silane coupling agent and the volume fraction of silica particles, while it does not originate from vulcanization This study shows that complex microrheological phenomena occur even in industrial products The relationship between these microrheological phenomena and macroscopic viscoelasticity is an open question
引用
收藏
页码：9480 / 9487
页数：8
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