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Preparation method and application of water-soluble polyamic acid salt sizing …

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申请人东华大学
发明人周剑锋
公开号CN116145428B
授权号CN116145428B
申请日2022-12-05
公开日2024-08-30
授权日2024-08-30

摘要

The present invention relates to a preparation method and application of a water-soluble polyamic acid salt sizing agent, wherein the preparation method comprises: 1) slowly precipitating a polyamic acid dissolved in a polar aprotic solvent into a large amount of water, and then washing the …

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