Abstract
Block copolymers of p-tert-butoxystyrene (tBOS) with isobutyl vinyl ether (IBVE), p-methoxystyrene (pMOS), and p-methylstyrene (pMS) were synthesized by sequential living cationic polymerizations with the hydrogen iodide/zinc halide initiating systems in toluene. These tBOS-based AB block copolymers possessed controlled molecular weights and narrow molecular weight distributions. The poly-(tBOS) segments in the block copolymers could be converted into poly(p-vinylphenol) segments by acidolysis. The deprotected block polymers were insoluble in benzene and dichloromethane
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