- 专利标题: Waterfast dye fixative compositions for ink jet recording sheets
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申请号: US12826169申请日: 2010-06-29
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公开(公告)号: US08361573B2公开(公告)日: 2013-01-29
- 发明人: Michael F. Koenig
- 申请人: Michael F. Koenig
- 申请人地址: US TN Memphis
- 专利权人: International Paper Company
- 当前专利权人: International Paper Company
- 当前专利权人地址: US TN Memphis
- 代理商 Thomas W Barnes, III; John K. Pike
- 主分类号: C08K3/10
- IPC分类号: C08K3/10 ; B41M5/50
摘要:
A coating composition comprising a blend of at least two dye fixatives, at least one of which is a cationic polymer, and at least one of the other dye fixatives is a polyvalent metal salt, to form a water-insoluble complex. The ink recording sheets comprise a composition that is absorbed into the surface of the substrate as a sizing material, or alternatively, forms a continuous layer on the substrate. The present invention also encompasses methods for making the ink jet recording sheets.
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