Preparation of High Modulus Thin Films Based on Photocurable Azido-Functionalized Ladder-Like Structured Polysilsesquioxanes

Title
Preparation of High Modulus Thin Films Based on Photocurable Azido-Functionalized Ladder-Like Structured Polysilsesquioxanes
Authors
알버트 이성수최승석장소현황승상백경열
Keywords
polysilsesquioxane; ladder-like structure; photocurable polymers; hybrids
Issue Date
2014-10
Publisher
Macromolecular research
Citation
VOL 22, NO 10, 1109-1114
Abstract
A series of azido-functionalized ladder-like structures was prepared by direct azidation of ladder-like structured poly(p-chloromethylphenyl)silsesquioxane (LPCMPSQ) and poly(chloropropyl)silsesquioxane (LPAPSQ) in excellent yields with perfect substitution of the chloro-compounds. The azido-functionalized silsesquioxanes obtained were then photocured without additional photoinitiator to give highly cross-linked thin films with an exceptionally high modulus (> 12 GPa). Furthermore, these materials were shown to be patterned through photolithography to give impeccable micropatterned microstructures.
URI
http://pubs.kist.re.kr/handle/201004/48525
ISSN
15985032
Appears in Collections:
KIST Publication > Article
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