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Effect of 3 rd monomer addition on styrene/styryl-polyhedral oligomeric silsesquioxane (POSS) copolymerization
作者:He-xin Zhang Ho-young Lee Young-jun Shin Dong-ho Lee, Seok Kyun Noh
關鍵字:Styrene, POSS
論文來源:期刊
具體來源:Macromolecular Research May 2009, Volume 17, Issue 5, pp 352–355
發表時間:2009年

Copolymerization of St and St-POSS with and without 4-MeSt was carried out with half-titanocenes of Cp*TiCl3 catalyst and MMAO cocatalyst. The activity of catalyst and St-POSS content increased by the addition of 4-MeSt as the 3 rd monomer. The characteristic crystalline peak of St/St-POSS copolymer  was altered by incorporating of 4-MeSt. With increasing 4-MeSt contents, the glass transition temperature of the polymers increased and the  thermal stability was improved. The molecular weight and PDI of the polymers were not changed significantly with the incorporation of 4-MeSt.

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