Abstract
Photo-emulsion copolymerizations of vinyl acetate (VAc) and vinyl pivalate (VP) were carried out without initiator at 0°C, and copolymers giving high molecular weight poly(vinyl alcohol) (PVA) with various tacticities were obtained. The tacticities could be controlled between 22.3–12.8% for the isotactic triad and 27.7–38.3% for the syndiotactic triad by varying feed monomer composition.
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