Influence of PMMA-chain-end tethered polyhedral oligomeric silsesquioxanes on the miscibility and specific interaction with phenolic blends

被引：104

作者：

Huang, CF

Kuo, SW ^{[1
]}

Lin, FJ

Huang, WJ

Wang, CF

Chen, WY

Chang, FC

机构：

[1] Natl Chiao Tung Univ, Inst Appl Chem, Hsinchu 30050, Taiwan

[2] Natl Ping Tung Univ Sci & Technol, Dept Environm Sci & Engn, Pingtung, Taiwan

[3] Yunlin Univ Sci & Technol, Dept Chem Engn, Yunlin 640, Taiwan

来源：

MACROMOLECULES | 2006年 / 39卷 / 01期

关键词：

D O I：

10.1021/ma051923n

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Two different molecular weights of poly(methyl methacrylate) (PMMA) and PMMA containing polyhedral oligomeric silsesquioxane (PMMA-POSS) homopolymers have been prepared via the atom transfer radical polymerization (ATRP) technique. The miscibility and specific interaction behaviors of PMMA-POSS and PMMA with phenolic resin were investigated by differential scanning calorimetry and Fourier transform infrared spectroscopy (FTIR). FTIR results reveal that at least three competing equilibriums are present in the phenolic/PMMA-POSS blend: self-association of phenolic (hydroxyl-hydroxyl), hydroxyl-siloxane interassociation between phenolic and POSS, and hydroxyl-carbonyl interassociation between phenolic and PMMA. Among these blends, single and higher T(g)s of these phenolic/PMMA-POSS blends were observed than the corresponding phenolic/PMMA blends at same composition, revealing that a stronger interassociation interaction of hydroxyl-siloxane than the hydroxyl-carbonyl interaction. Furthermore, we also found the screening effect in phenolic/LPMMA-POSS blends that tends to significantly decrease the hydrogen bond formation of the hydroxyl-carbonyl interassociation.

引用

页码：300 / 308

页数：9

共 48 条

[31] Polymers with very low polydispersities from atom transfer radical polymerization [J].