发明授权
US5223094A Process for preparing strong aromatic polyamide papers of high porosity 失效
制备高孔隙度的强芳香族聚酰胺纸的方法

Process for preparing strong aromatic polyamide papers of high porosity
摘要:
Papers with improved tensile strength and increased porosity are obtained by heat treatment of calendered sheets of poly(p-phenylene terephthalamide) short fibers and poly(m-phenylene isophthalamide) fibrids.
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