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Hydroboration polymerization of low molecular weight allyl-telechelic polyisobutylene with narrow molecular weight distribution gave a novel stable organoboron segmented block copolymer by using tripylborane as a boron monomer. The chain transformation reaction of the copolymer was also examined. The reaction with ,-dichloromethyl methyl ether (DCME) gave the corresponding poly-isobutylene segmented...
Abstract. Triblock copolymers containing polystyrene (PSt) and poly(4-acetoxystyrene) (PAcOSt) segments have been prepared by atom transfer radical polymerization (ATRP). In the first step one of the two monomers was polymerized in bulk using the initiating system ,-dibromo-p-xylene/CuBr/2,2-bipyridine (1/1/3). Subsequently the resulting telechelic polymers with active bromo end group structures were...
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