TEM observation of silane coupling agent in silica-filled rubber tyre compound

被引：11
|
作者：
Ngeow, Y. W. [1 ]
Heng, J. Y. Y. [2 ]
Williams, D. R. [2 ]
Davies, R. T. [3 ]
Lawrence, K. M. E. [3 ]
Chapman, A., V [3 ]
机构：
[1] Malaysian Rubber Board, Technol & Engn Div, Sungai Buloh 47000, Selangor, Malaysia
[2] Imperial Coll London, Dept Chem Engn, Surfaces & Particle Engn Lab, South Kensington Campus, London SW7 2AZ, England
[3] Tun Abdul Razak Res Ctr, Brickendonbury SG13 8NL, Hertford, England
来源：
JOURNAL OF RUBBER RESEARCH | 2019年 / 22卷 / 01期
关键词：
Silica; Filled-rubber; TEM; Microdispersion; Tyre; REINFORCED NATURAL-RUBBER; POLYMER-FILLER; DISPERSION; MORPHOLOGY; MICRODISPERSION; FLOCCULATION;
D O I：
10.1007/s42464-019-00005-y
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 microdispersion of silica in filled elastomer vulcanisates was evaluated by transmission electron microscopy (TEM)-network visualisation analysis. In this study, the silica is modified with a wide range of coupling and non-coupling silanes. The silica-filled elastomer samples were microtomed using a glass knife. The resulting TEM micrographs were interpreted and characterised based on aggregates with a cross-sectional area larger than 100 nm(2). The study showed that silica surface modification has reduced the silica aggregate size by approximately 30-40% compared to an untreated silica-filled elastomer vulcanisate. The TEM micrographs showed evidence of coupling between silica and the elastomer phase and demonstrated a good estimation of silica microdispersion in the elastomer phase. This study has shown that the presence of different surface functionalities has an effect on the silica microdispersion.
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页码：1 / 12
页数：12
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