pvahpmc72uのブログ https://ameblo.jp/pvahpmc72u/ ブログの説明を入力します。 ja polyvinyl alcohol What is pva polyvinyl alcohol?

abbr.: PVA; ethenol homopolymer; a polymer prepared from polyvinyl acetates by replacement of the acetate groups by hydroxyl groups; the commercial products have differing contents of residual acetyl groups and hence differing physical characteristics. Polyvinyl alcohols are used in adhesives and can also be compounded into elastomers, which are useful in the manufacture of artificial sponges, hydrocarbon-resistant tubing, etc.

hpmc
polyvinyl alcohol
pva fiber

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