Synthesis and characterization of a novel arylacetylene oligomer containing POSS units in main chains

被引：52

作者：

Li, Qiang ^{[1
]}

Zhou, Yan ^{[1
]}

Hang, Xiaodong ^{[1
]}

Deng, Shifeng ^{[1
]}

Huang, Farong ^{[1
]}

Du, Lei ^{[1
,2
]}

Li, Zhongpin ^{[3
]}

机构：

[1] E China Univ Sci & Technol, Sch Mat Sci & Engn, Key Lab Ultrafine Mat, Minist Educ, Shanghai 200237, Peoples R China

[2] Shanghai Bur Astronaut, Shanghai 200233, Peoples R China

[3] Aerosp Res Inst Mat & Proc Technol, Beijing 100076, Peoples R China

来源：

EUROPEAN POLYMER JOURNAL | 2008年 / 44卷 / 08期

关键词：

arylacetylene oligomer; octamethyl polyhedral oligomeric; silsesquioxane (OMPOSS); inorganic-organic hybrid material; thermal stability polymer;

D O I：

10.1016/j.eurpolymj.2008.06.018

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

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.

引用

页码：2538 / 2544

页数：7

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