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Meta-Aramid Fibrid with excellent property, and Method for Preparing the Same

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国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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The present invention relates to a dope forming step of dissolving metaaramid and polyvinyl alcohol (PVA) in a polar amide solvent, respectively, to form metaaramid dope and polyvinyl alcohol dope; A mixing step of mixing the metaaramid dope and the polyvinyl alcohol dope to form a mixed dope; A fibrid manufacturing step of preparing the mixed dope with fibrids; And it relates to a meta-aramid fibrid and improved physical properties including a hydrothermal washing step of removing the polyvinyl alcohol by washing the fibrid with hot water.
提供机构:
国家林业和草原科学数据中心
创建时间:
2023-02-12
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