发明授权
- 专利标题: Papermaking aid
- 专利标题(中): 造纸援助
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申请号: US926041申请日: 1986-11-03
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公开(公告)号: US4750974A公开(公告)日: 1988-06-14
- 发明人: Kerrie A. Johnson
- 申请人: Kerrie A. Johnson
- 申请人地址: IL Oak Brook
- 专利权人: Nalco Chemical Company
- 当前专利权人: Nalco Chemical Company
- 当前专利权人地址: IL Oak Brook
- 主分类号: D21H17/29
- IPC分类号: D21H17/29 ; D21H17/42 ; D21H17/43 ; D21H17/68 ; D21H23/00 ; D21H3/28 ; D21H3/36
摘要:
An improved binder for use in paper-making contains three ingredients, a cationic starch having a degree of substitution of at least 0.01, a high molecular weight anionic polymer having a molecular weight of at least 500,000 and a degree of anionic substitution of at least 0.01, and a dispersed silica having a particle size ranging from between about 1-50 nanometers.
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