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
- 专利标题: Process for preparing strong aromatic polyamide papers of high porosity
- 专利标题(中): 制备高孔隙度的强芳香族聚酰胺纸的方法
-
申请号: US882531申请日: 1992-05-13
-
公开(公告)号: US5223094A公开(公告)日: 1993-06-29
- 发明人: Birol Kirayoglu , William J. Sullivan
- 申请人: Birol Kirayoglu , William J. Sullivan
- 申请人地址: DE Wilmington
- 专利权人: E. I. Du Pont de Nemours and Company
- 当前专利权人: E. I. Du Pont de Nemours and Company
- 当前专利权人地址: DE Wilmington
- 主分类号: D21H13/26
- IPC分类号: D21H13/26 ; D21H13/40 ; D21H25/04 ; H05K1/03
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.
公开/授权文献
信息查询