Abstract
Copolymers of methyl, ethyl, butyl, pentyl, or octyl methacrylate with N-(p-bromophenyl)maleimide were synthesized by free-radical bulk polymerization using benzoyl peroxide as initiator. N-(p-bromophenyl)maleimide was prepared from maleic anhydride and p-bromoaniline in a two-step reaction. Thermal stability, chemical resistance, hardness, and Vicat softening point of the copolymers have been measured. The influence of N-(p-bromophenyl)maleimide content in the copolymers and the length of alkyl groups in methacrylates on their properties is discussed. Copolymere von Methyl-, Ethyl-, Butyl-, Pentyl- oder Octylmethacrylat mit N-(p-Bromphenyl)maleimid wurden durch radikalische Massepolymerisation mit Benzoylperoxid als Initiator hergestellt. N-(p-Bromphenyl)maleimid wurde aus Maleinsäureanhydrid and p-Bromanilin in einer 2-stufigen Reaktion synthetisiert. Thermische Stabilität, chemische Widerstandsfähigkeit, Härte und Vicat-Erweichungstemperatur der Copolymeren wurden bestimmt. Der Einfluß des N-(p-Bromphenyl)maleimid-Gehalts der Copolymeren und der Länge der Alkylketten in den Methacrylaten auf deren Eigenschaften wird diskutiert.
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