Two-dimensional correlation gel permeation chromatography study of octyltriethoxysilane sol-gel polymerization process

被引:36
作者
Izawa, K
Ogasawara, T
Masuda, H
Okabayashi, H
Noda, I
机构
[1] Nagoya Inst Technol, Dept Appl Chem, Showa Ku, Nagoya, Aichi 4668555, Japan
[2] Fuji Silysia Chem Ltd, Nakatsugawa Tech Ctr, Gifu 5099132, Japan
[3] Tokyo Tech Ctr Fdn, Meito Ku, Nagoya, Aichi 4650021, Japan
[4] Procter & Gamble Co, W Chester, OH 45069 USA
关键词
D O I
10.1021/ma010760+
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
A novel analytical method called two-dimensional correlation gel permeation chromatography (2D GPC) is introduced. In 2D GPC, generalized two-dimensional (2D) correlation analysis is combined with time-resolved gel permeation chromatography (GPC). This technique can be used effectively, for example, to study intricate details of a polymerization process. In this study, a sol-gel polymerization process of octyltriethoxysilane catalyzed by 1.0 M HCl .H2O is traced as a function of reaction time using the GPC technique. A set of GPC traces sequentially collected at different sampling points during the polymerization reaction are then converted to two-dimensional correlation maps. It has been found that the 2D GPC maps created by the correlation analysis directly reflect the reaction mechanism in the polymerization process, thus demonstrating the promising potential of this technique.
引用
收藏
页码:92 / 96
页数:5
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