期刊
MATERIALS LETTERS
卷 63, 期 23, 页码 2032-2034出版社
ELSEVIER
DOI: 10.1016/j.matlet.2009.06.049
关键词
Star-shaped polysilane; Branched polysilane; Fluorescence; UV absorption
资金
- HUBei Education Department Fundamental Key Research of Chain [020094110]
The intermediate monomer of a star-shaped polymer's cyclosiloxane core, was prepared from CH3HSiCl2 and 2.4,6,8-tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane(D-4(v')) through the basic method of hydrosilylation reaction. Then, a star-shaped polysilane [poly(core-methylphenyl-diphenyl)silane] was synthesized by the classical Wurtz coupling reaction. Futhermore, UV absorption, fluorescent spectrum. UV-resistant stability and thermal properties of the star-shaped polysilane were investigated. Results reveal that star-shaped polysilane possesses good UV-resistant stability, favourable thermo-oxidative stability and strong fluorescence emitting near 400 nm. (C) 2009 Elsevier B.V. All rights reserved.
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