期刊
EUROPEAN POLYMER JOURNAL
卷 44, 期 8, 页码 2538-2544出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eurpolymj.2008.06.018
关键词
arylacetylene oligomer; octamethyl polyhedral oligomeric; silsesquioxane (OMPOSS); inorganic-organic hybrid material; thermal stability polymer
资金
- National Basic Research Program of China
A novel arylacetylene oligomer containing octamethyl POSS units in main chains was prepared from difluoride octamethyl POSS (diexo-(CH(3))(8)Si(8)O(11)F(2)) and diethynylbenzene (DEB) by Grignard reaction and characterized by FT-IR, NMR, WAXD, GPC, DSC, and TGA. The curing reaction kinetic of the oligomer was studied by Kissinger and Ozawa methods and the kinetic parameters were obtained. The cured polymer had good thermal and thermal-oxidative properties. TGA analyses demonstrated that the thermal decomposition temperature (T(d5)) of the cured polymer in nitrogen and air were 503 and 479 degrees C, respectively. (C) 2008 Elsevier Ltd. All rights reserved.
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