Fabrication and applications of polyimide nano-aerogels

被引：61

作者：

Shi, Baolu ^{[1
]}

Ma, Bin ^{[2
]}

Wang, Chenqi ^{[1
]}

He, Han ^{[1
]}

Qu, Lijie ^{[1
]}

Xu, Baosheng ^{[1
,3
]}

Chen, Yanfei ^{[1
]}

机构：

[1] Beijing Inst Technol, Inst Adv Struct Technol, Beijing 100081, Peoples R China

[2] Beijing Inst Spacecraft Syst Engn, Beijing 100094, Peoples R China

[3] Beijing Inst Technol, Beijing Key Lab Lightweight Multifunct Composite, Beijing 100081, Peoples R China

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2021年 / 143卷

基金：

中国国家自然科学基金;

关键词：

Polyimide nano-aerogels; Thermal insulation properties; Mechnical properties; Aerospace; SILICA AEROGEL; MECHANICALLY STRONG; CARBON; EFFICIENT; SENSOR; SPACE; LINKS; FOAM;

D O I：

10.1016/j.compositesa.2021.106283

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nano-aerogels have been used in various fields due to their ultralow density, ultrahigh porosity and ultralow thermal conductivity. However, common nano-aemgels with poor thermal stability are scarcely used in high- and low-temperature environments. Polyimide (PI) nano-aerogels that are developed from PIs can meet the requirements and have been studied in recent years, especially in the field of deep space exploration. In this review, we discuss the current state of the fabrication, classification, methods of improving properties and fields of application of the PI nano-aerogels. As one of the best materials with outstanding comprehensive properties under harsh temperature environments, PI nano-aerogels will play important roles in technology in the future.

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