Intrinsically Atomic-oxygen-resistant POSS-containing Polyimide Aerogels: Synthesis and Characterization

被引：20
作者：
Fang, Guangqiang [1 ,2 ]
Li, Hua [1 ]
Liu, Jingang [3 ]
Ni, Hongjiang [3 ]
Yang, Haixia [3 ]
Yang, Shiyong [3 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, State Key Lab Met Matrix Composites, Shanghai 200240, Peoples R China
[2] Aerosp Syst Engn Shanghai, Shanghai 201108, Peoples R China
[3] Chinese Acad Sci, Inst Chem, Lab Adv Polymer Mat, Beijing 100190, Peoples R China
来源：
CHEMISTRY LETTERS | 2015年 / 44卷 / 08期
基金：
中国国家自然科学基金;
关键词：
LOW-EARTH-ORBIT; FILMS;
D O I：
10.1246/cl.150396
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A series of polyimide aerogels with intrinsically atomic-oxygen-resistant features have been synthesized. For this purpose, 3,3',4,4'-biphenyltetracarboxylic dianhydride (s-BPDA) was copolymerized with 2,2'-dimethylbenzidine (DMBZ) and a polyhedral oligomeric silsesquioxane (POSS)-containing aromatic diamine, N-[(heptaisobutylPOSS)propyl]-3,5-diaminobenzamide (DA-POSS), with octa(aminophenyl)silsesquioxane (OAPS) as the crosslinker via sol-gel procedures followed by supercritical carbon dioxide (scCO(2)) drying treatments.
引用
收藏
页码：1083 / 1085
页数：3
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