A Preparation Method For PVA Based On Carboxyl Group Modification
There’s a production method for PVA based on carboxyl group modification as following steps: S1: Mix vinyl acetate with the second copolymer and add solvent to get the raw material mixture S2: The initial polymerization reaction is carried out in the first polymerization kettle S3: The third copolymer and initiator are gradually added to the …
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