Nanoengineering strong silica aerogels

被引：454

作者：

Leventis, N ^{[1
]}

Sotiriou-Leventis, C ^{[1
]}

Zhang, GH ^{[1
]}

Rawashdeh, AMM ^{[1
]}

机构：

[1] Univ Missouri, Dept Chem, Rolla, MO 65409 USA

来源：

NANO LETTERS | 2002年 / 2卷 / 09期

关键词：

D O I：

10.1021/nl025690e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In the quest for strong lightweight materials, silica aerogels would be very attractive, if they were not fragile. The strength of silica aerogel monoliths has been improved by a factor of over 100 through cross-linking the nanoparticle building blocks of preformed silica hydrogels with poly(hexamethylene diisocyanate). Composite monoliths are much lets hygroscopic than native silica, and they do not collapse when in contact with liquids.

引用

页码：957 / 960

页数：4

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