Superelastic and ultralight polyimide aerogels as thermal insulators and particulate air filters

被引：138

作者：

Qian, Zhenchao ^{[1
,3
]}

Wang, Zhen ^{[1
]}

Chen, Yi ^{[2
,3
]}

Tong, Shengrui ^{[2
]}

Ge, Maofa ^{[2
,3
]}

Zhao, Ning ^{[1
]}

Xu, Jian ^{[1
,3
]}

机构：

[1] Chinese Acad Sci, Inst Chem, CAS Res Educ Ctr Excellence Mol Sci, Beijing Natl Lab Mol Sci,Lab Polymer Phys & Chem, Beijing 100190, Peoples R China

[2] Chinese Acad Sci, Inst Chem, State Key Lab Struct Chem Unstable & Stable Speci, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China

[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2018年 / 6卷 / 03期

基金：

中国国家自然科学基金;

关键词：

ASSEMBLED CELLULAR AEROGELS; RESISTANT;

D O I：

10.1039/c7ta09054d

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：

We utilized electrospun polyimide nanofibers as building blocks to construct a hierarchically porous architecture through freeze-drying. Superelasticity, recoverable ultimate strain of 99%, has been obtained by thermally induced intermolecular condensation. Aerogels also possess ultralow density, high-temperature stability, low thermal conductivity and excellent performance in PM2.5 filtration.

引用

页码：828 / 832

页数：5

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