نتایج جستجو برای: vinyl acetate
تعداد نتایج: 60300 فیلتر نتایج به سال:
Difunctional iodo chain transfer agents (CTAs) were successfully employed in the iodine polymerization (ITP) of ethylene and its copolymerization with vinyl acetate to synthesize telechelic (co)polymers triblock copolymers.
We report the synthesis of 1,4-dicarbonyl compounds and substituted alkenes (Mizoroki–Heck type coupling) starting from secondary tertiary alkyl halides vinyl acetate or styrene derivatives using visible-light photocatalysis.
Both the regio- and stereo-chemistries of the photoreactions of 1-naphthyl (R)-2-phenylpropanoate have been investigated in poly(vinyl acetate) films in their glassy (at 5 degrees C) and melted (at 50 degrees C) states and in ethyl acetate. These results are compared with those from irradiations in polyethylene films and in n-hexane. The regioselectivity of the intermediate 1-naphthoxy/(R)-2-ph...
We have been engaged in a search for coordination catalysts for the copolymerization of polar monomers (such as vinyl chloride and vinyl acetate) with ethylene. We have been investigating complexes of late transition metals with heterocyclic ligands. In this report we describe the synthesis of a symmetrical bis-thiadiazole. We have characterized one of the intermediates using single crystal X-r...
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