Preparation of cage-like octa(3-aminopropyl)silsesquioxane trifluoromethanesulfonate in higher yield with a shorter reaction time

被引：66
作者：
Kaneko, Yoshiro [1 ]
Shoiriki, Miki [1 ]
Mizumo, Tomonobu [2 ]
机构：
[1] Kagoshima Univ, Grad Sch Sci & Engn, Kagoshima 8900065, Japan
[2] Hiroshima Univ, Grad Sch Engn, Higashihiroshima 7398527, Japan
来源：
JOURNAL OF MATERIALS CHEMISTRY | 2012年 / 22卷 / 29期
关键词：
SOL-GEL SYNTHESIS; POLYSILSESQUIOXANES; SILSESQUIOXANES; POLYSILOXANE; CHEMISTRY; CORE;
D O I：
10.1039/c2jm32355a
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Cage-like octa(3-aminopropyl)silsesquioxane trifluoromethanesulfonate (OAP-POSS-CF3SO3) was prepared in higher yield (ca. 93%) with a shorter reaction time (ca. 5-6 h), when the hydrolytic condensation of 3-aminopropyltrimethoxysilane was performed using the superacid trifluoromethanesulfonic acid as a catalyst. The structure of the resulting OAP-POSS-CF3SO3 was confirmed mainly by Si-29 NMR, MALDI-TOF MS, ESI MS, and IR measurements. It is suggested that the lower pK(a) of the acid catalyst is an important factor leading to the improved yield for the preparation of OAP-POSS-CF3SO3.
引用
收藏
页码：14475 / 14478
页数：4
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