Abstract
AbstractA new polymeric initiator, oligo(adipoyl‐5‐peroxy‐2,5‐dimethyl n‐hexyl peroxide), was synthesized by interfacial condensation of adipoyl chloride with 2,5‐dimethyl‐2,5‐dihydroperoxy hexane. This can be used as an initiator to prepare block copolymers by free radical mechanism in a procedure involving several steps, since the colorless, viscous liquid, oligoperoxide, has 8–10 peroxide groups per molecule. The thermal decomposition of this oligoperoxide in benzene solution at 98°C was first order and its half life was 9.75 h. The results of the polymerization kinetics show that this oligoperoxide lies in between of 2,5‐dimethyl‐2,5‐dihydroperoxyhexane and benzoyl peroxide for empirical polymerization rates of styrene and methyl methacrylate at 80°C.
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