Synthesis,characterization and thermal behaviors of polymers containing organosilicon groups |
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Authors: | Kazem Dindar Safa Akbar Hassanpour Shahin Tofangdarzadeh |
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Affiliation: | (1) Organosilicon Research Laboratory, Faculty of Chemistry, University of Tabriz, 51664 Tabriz, Iran |
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Abstract: | Various bis(silyl)ethenyl groups were attached to the aromatic ring of poly(α-methylstyrene) via Peterson olefination reaction
of (RMe2Si)3CLi (R = H, Me and Ph) with formylated poly(α-methylstyrene) (Pα-MS-CHO) to give poly(α-methylstyrene)-co-2,2-bis(silyl)ethenyl(α-methylstyrene)] as functionalized poly(α-methylstyrene) (Pα-MS-SiMe2H, Pα-MS-SiMe3 and Pα-MS-SiMe2Ph). The trimethylsilyl groups of Pα-MS-SiMe3 have been converted to 2,2-dibromoethenyl and epoxybis(silanes) groups via NBS-based bromodesilylation and MCPBA-based epoxidation
respectively. The thermal degradation behaviors of the polymers were studied using thermogravimetric analysis (TGA) and differential
scanning calorimetry (DSC). |
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