標題: | Effect of LiClO4 on the thermal and morphological properties of organic/inorganic polymer hybrids |
作者: | Yen, Ying-Chieh Ye, Yun-Sheng Cheng, Chih-Chia Chen, Hsiu-Mei Sheu, Hwo-Shuenn Chang, Feng-Chih 應用化學系 Department of Applied Chemistry |
關鍵字: | hydrogen bonding;polyhedral oligomeric silsesquoixane;ion-dipole interaction |
公開日期: | 11-八月-2008 |
摘要: | This paper describes the thermal properties, morphologies, and interactions within the binary and ternary blends of poly(methyl methacrylate) (PMMA), octa(phenol)octasilsesquioxane (OP-POSS), and LiClO4. In the binary PMMA/OP-POSS blends, the OP-POSS molecules tend to aggregate and result in a decrease (19 degrees C) in the glass transition temperature. In the ternary PMMA/LiClO4/OP-POSS blends, however, the OP-POSS molecules form small sphere-like domains (20 nm) leading to the composite's glass transition temperature increasing by up to 30 degrees C. Based on these FF-IR spectra, the addition of LiClO4 influenced the probability of hydrogen bonds formed between PMMA and OP-POSS and these SEM micrographs, DSC, and XRD data indicated that the addition of LiClO4 is a convenient and simple approach toward dispersing the OP-POSS nanoparticles within PMMA, where the presence of LiClO4 changes the physical effect of OP-POSS from that of a diluent role to a cross-linker role. (c) 2008 Elsevier Ltd. All rights reserved. |
URI: | http://dx.doi.org/10.1016/j.polymer.2008.06.025 http://hdl.handle.net/11536/8472 |
ISSN: | 0032-3861 |
DOI: | 10.1016/j.polymer.2008.06.025 |
期刊: | POLYMER |
Volume: | 49 |
Issue: | 17 |
起始頁: | 3625 |
結束頁: | 3628 |
顯示於類別: | 期刊論文 |