Diffusion of adhesion promoting and crosslinking additives in an uncured silicone sealant

被引：10
|
作者：
Comyn, J
de Buyl, F
Comyn, TP
机构：
[1] Univ Leeds, Inst Mat Res, Leeds LS2 9JT, W Yorkshire, England
[2] NV Dow Corning SA, B-7180 Seneffe, Belgium
[3] Loughborough Univ Technol, Inst Polymer Technol & Mat Engn, Loughborough LE11 3TU, Leics, England
来源：
INTERNATIONAL JOURNAL OF ADHESION AND ADHESIVES | 2003年 / 23卷 / 06期
关键词：
primers and coupling agents; silicones; diffusion;
D O I：
10.1016/S0143-7496(03)00091-5
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A method has been devised for measuring the diffusion coefficient D of additives that act as adhesion promoters and crosslinking agents in uncured silicone sealants. This has been used to measure D for tetra-t-butyltitanate (TBT) and isobutyltrimethoxysilane (BTMS) in a sealant at 25degreesC. The value of D for TBT was found to be constant but that for BTMS decreased with the duration of the experiment, possibly due to the interaction of the silane with the silica particles. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码：495 / 497
页数：3
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