- 专利标题： Method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in papermaking
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申请号： US15271441申请日： 2016-09-21
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公开(公告)号： US10145067B2公开(公告)日： 2018-12-04
- 发明人: Yulin Zhao , Jun Li , Qing Long Rao , Stephen Ashton , Weiguo Cheng , Aleksandar Todorovic , Alan Smith
- 申请人： ECOLAB USA, INC.
- 申请人地址： US MN St. Paul
- 专利权人： ECOLAB USA INC.
- 当前专利权人： ECOLAB USA INC.
- 当前专利权人地址： US MN St. Paul
- 代理机构： Brinks Gilson & Lione
- 代理商 Eric D. Babych
- 主分类号： D21H17/37
- IPC分类号： D21H17/37 ; D21H21/20 ; D21H21/18 ; D21H17/67 ; D21H21/10 ; D21C3/02 ; D21C5/00 ; D21C5/02 ; D21H17/69 ; D21H17/00 ; D21H17/66
摘要：
Methods of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength, and enhancing filler retention in a papermaking process are disclosed. The methods improve the efficiency of drainage aids, wet web strength aids, and/or wet strength aids by coating at least some of the filler particles with a material that prevents the filler materials form adhering to a those additives.
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