发明授权
- 专利标题： Dispersant for textile dyeing and optical brightening
- 专利标题（中）： 分散剂用于纺织染色和荧光增白
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申请号： US974621申请日： 1978-12-27
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公开(公告)号： US4229174A公开(公告)日： 1980-10-21
- 发明人: Paul Boerzel , Peter Freyberg , Norbert Greif , Rudi Widder
- 申请人： Paul Boerzel , Peter Freyberg , Norbert Greif , Rudi Widder
- 申请人地址： DEX
- 专利权人： BASF Aktiengesellschaft
- 当前专利权人： BASF Aktiengesellschaft
- 当前专利权人地址： DEX
- 优先权： DEX2758881 19771230
- 主分类号： D06P1/52
- IPC分类号： D06P1/52 ; C09B67/00
摘要：
A process for dyeing textile materials, containing natural and/or synthetic fibers, in an aqueous liquor by means of dyes which are sparingly soluble or insoluble in water, in the presence of dyeing assistants, wherein the dispersant used is a water-soluble sulfonic acid which is derived from a random copolymer of olefins of 3 to 6 carbon atoms and styrene and/or substituted styrenes and/or their alkali metal salts or ammonium salts.
公开/授权文献
- US5331059A Hydrophilic, highly swellable hydrogels 公开/授权日：1994-07-19
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