Hydrolysis and polycondensation of acid-catalyzed phenyltriethoxysilane (PhTES)

被引：39

作者：

Kuniyoshi, Minoru ^{[1
]}

Takahashi, Masahide

Tokuda, Yomei

Yoko, Toshinobu

机构：

[1] Cent Glass Co Ltd, Matsusaka, Mie 5150001, Japan

[2] Kyoto Univ, Chem Res Inst, Kyoto 6110011, Japan

来源：

JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY | 2006年 / 39卷 / 02期

关键词：

siloxane; hydrolysis; polycondensation; organic-inorganic hybrid; acid catalyzed system; acetic acid; hydrochloric acid; water; oligomaer;

D O I：

10.1007/s10971-006-7465-0

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The effects of acid catalyst, water content and reaction temperature on the hydrolysis and polycondensation of phenyltriethoxysilane (PhTES) were studied using Si-29 NMR spectroscopy. The sol catalyzed by hydrochloric acid showed the simultaneous progress of hydrolysis and polycondensation. In addition, the reaction rate was almost independent of reaction temperature. On the other hand, the polycondensation in the PhTES-derived sol mixed with an excess amount of water and acetic acid as a catalyst proceeded after completion of the hydrolysis. In the acetic acid-catalyzed system, the degree of the hydrolysis and polycondensation largely depends on the reaction temperature.

引用

页码：175 / 183

页数：9

共 25 条

[1]

BRINKER CJ, 1981, SOL ENERG MATER, V5, P159, DOI 10.1016/0165-1633(81)90027-7

[2] HYDROLYSIS AND CONDENSATION OF SILICATES - EFFECTS ON STRUCTURE [J].