The POSS side chain epoxy nanocomposite: Synthesis and thermal properties

Journal of Polymer Science, Part B: Polymer Physics - Tập 48 Số 6 - Trang 643-652 - 2010
Yie‐Chan Chiu1, Linawati Riang1, I-Hsuan Chou1, M. Chen‐Chi1, Chin‐Lung Chiang2, C.C. Yang3
1Department of Chemical Engineering, National Tsing Hua University, Hsin-Chu, Taiwan 300, Republic of China
2Department of Industrial Safety and Health, Hung Kuang University, Sha‐Lu, Taiwan 433, Republic of China
3Chemical System Research Division, Chung‐Shan Institute of Science and Technology, Tao‐Yuan, Taiwan 32599, Republic of China

Tóm tắt

AbstractThe IPI‐POSS‐modified epoxy resin (IPEP) was prepared from isocyanato‐propyldinethylsilyl‐isobutyl‐POSS (IPI‐POSS) and diglycidyl ether of bisphenol A epoxy resin. The steric hindrance of the IPEP bulky POSS side chain improved the curing activation energies. The POSS particles sizes were about 2–3 nm and dispersed uniformly. At lower IPEP concentration (POSS < 12 wt %), the glass transition temperatures (Tgs) of the IPEP nanocomposites increased from 118 to 170 °C. The char yield increased from 15 to 20 wt %, and the LOI values increased from 22 to 28. © 2010 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 48: 643–652, 2010

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Thông tin xuất bản

Journal of Polymer Science, Part B: Polymer Physics

Tập 48 Số 6

643-652

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