A novel benzoxazine monomer with methacrylate functionality and its thermally curable (co)polymers |
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Authors: | Banu Koz Baris Kiskan Yusuf Yagci |
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Affiliation: | (1) Department of Chemistry, Istanbul Technical University, 34469 Maslak, Istanbul, Turkey; |
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Abstract: | Benzoxazine monomer with methacrylate functionality, namely 2-(2-(2H-benzoe]1,3]oxazin-3(4H)-yl)ethoxy) ethyl methacrylate
(BEM) was synthesized by simple esterification reaction of hydroxyl containing benzoxazine (B–OH) with methacryloyl chloride,
and characterized. BEM was then copolymerized with styrene in 1:4 mol ratio by free radical polymerization using 2,2′-azobis(isobutyronitrile)
(AIBN) as initiator. The structure, chemical composition, and molecular weight characteristics of the resulting copolymer
were confirmed by FT-IR, 1H-NMR spectroscopy, and GPC, respectively. The curing behavior and thermal properties of both monomer and copolymer were also
studied by differential scanning calorimetry (DSC) and thermal gravimetric analysis (TGA). |
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