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公开(公告)号：US09873986B2
公开(公告)日：2018-01-23
申请号：US15021490
申请日：2014-09-12
Applicant: Ecolab USA Inc.
Inventor： Bo Zhu , Na Xu , Meng Zhang , Yulin Zhao
CPC classification number: D21H21/18 , D21H17/375
Abstract: A paper-making aid composition comprising dialdehyde-modified polyacrylamide-type strengthening agent, polyacrylamide-type strengthening agent and water and having a pH value of 6 or more is provided. A method of paper-making by using the paper-making aid composition is also provided.
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