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Polyvinyl alcohol - Wikipedia, the free encyclopedia
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日期：2024-05-12
Polyvinyl alcohol (PVOH, PVA, or PVAl) is a water-soluble synthetic polymer (not to be confused with polyvinyl acetate, a popular wood glue). It has the idealized formula [CH2CH(OH)]n. It is used in papermaking, textiles, and a variety of coatings. It is ...看更多
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