- 专利标题： Paper comprising aramid pulp and a friction paper made therefrom
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申请号： US16166296申请日： 2018-10-22
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公开(公告)号： US10767316B2公开(公告)日： 2020-09-08
- 发明人: Mehdi Afshari
- 申请人： E I DU PONT DE NEMOURS AND COMPANY
- 申请人地址： US DE Wilmington
- 专利权人： DUPONT SAFETY & CONSTRUCTION, INC.
- 当前专利权人： DUPONT SAFETY & CONSTRUCTION, INC.
- 当前专利权人地址： US DE Wilmington
- 主分类号： D21H17/34
- IPC分类号： D21H17/34 ; D21H27/00 ; D21H13/26 ; D21H15/10 ; D21H19/12 ; D21H23/04 ; D21H17/67 ; D21H23/66 ; D21H19/84 ; D21H21/14 ; D21H17/68 ; D21H19/24 ; F16D69/02
摘要：
A paper comprises from 60 to 99 weight percent of a aramid fibrous pulp and from 1 to 40 weight percent of a polyvinylpyrrolidone coating on the fiber surface, the coating being neither chemically nor electrostatically bound to the fibers. A friction paper composite comprising the paper and a resin coating is also described.
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