发明授权
- 专利标题： Water resistant/repellant vermiculite articles and method of their manufacture
- 专利标题（中）： 防水/维生素制品及其制造方法
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申请号： US530714申请日： 1990-05-30
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公开(公告)号： US5244740A公开(公告)日： 1993-09-14
- 发明人: Chia-Chih Ou , Deborah Neumayer
- 申请人： Chia-Chih Ou , Deborah Neumayer
- 申请人地址： NY New York
- 专利权人： W. R. Grace & Co.-Conn.
- 当前专利权人： W. R. Grace & Co.-Conn.
- 当前专利权人地址： NY New York
- 主分类号： C04B14/20
- IPC分类号： C04B14/20
摘要：
A water resistant or repellant article comprised of delaminated vermiculite lamellae is provided, which article is produced by immersing the article in a solution of a cationic exchange agent.The invention further relates to a method of producing such a water resistant or repellant article comprising the step of contacting the film with a solution of a cationic exchange agent.
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