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Poly(vinyl alcohol(VA)‐b‐4‐vinylpyridine(4VP))s were prepared by mechanochemical scission of PVA in the presence of 4VP monomer under ultrasonic irradiation. After establishing the morphology of a particular specimen of these block copolymers, a solution of well‐defined poly(styrene(ST)‐b‐4VP), prepared by anionic living polymerization, was cast on the above mentioned specimen being used as a support membrane. It is shown that the microdomain structure of poly(ST‐b‐4VP) may be governed by epitaxial growth of the microdomain pattern of the support membrane surface.
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Ishizu et al. (1986) studied this question.
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