作者: Yuki Ishikawa , Hidehiro Yamaguchi , Yasuharu Nagai
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摘要: The present invention provides a modified polyvinyl alcohol enabling to produce acetal that is excellent in solubility solvent even with low degree of polymerization while hardly causing reaction inhibition, coloring, and particle coarsening, method for producing the alcohol. also polymerization, has high elasticity, mechanical strength, film forming property. further acetal, produced from film, ceramic slurry composition, green sheet. including at least one functional group selected consisting hydroxyl, aldehyde, carboxyl, lactone ring groups molecular end, having saponification 99.95 mol % or higher 1,2-glycol bond content 1.4 lower.