Glass Transition Temperature Improvement for Polychloroprene by One-Step ATRP Reaction |
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| Authors: | E Rusen A Mocanu C Damian A Diacon |
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| Affiliation: | 1. Department of Polymer Science , University Politehnica of Bucharest , Bucharest , Romania edina_rusen@yahoo.com;3. Department of Polymer Science , University Politehnica of Bucharest , Bucharest , Romania |
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| Abstract: | Polymethyl methacrylate (PMMA) polymer chains were grafted on neoprene W (NW) by a one-step ATRP reaction. The thermal properties of the products were analyzed by DSC. Improvement of T g was a result of the PMMA grafted chains. Also, the melting point (T m ) changed from 42°C for NW to 142°C for modified NW. Using different solvents for the resulting copolymers, aggregates were obtained. Phase separation was influenced by the grafting degree of PMMA and the employed solvent. The copolymers were analyzed by GPC, FT-IR, DSC, and SEM. |
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| Keywords: | Aggregates Glass transition temperature NW |
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