公开(公告)号：US10704201B2

公开(公告)日：2020-07-07

申请号：US15773667

申请日：2016-12-30

Applicant: ECOLAB USA INC.

Inventor： Yulin Zhao ,  Chunhao Wang ,  Na Xu ,  Jun Li ,  Meng Zhang

IPC: D21H17/26 ,  D21H21/18 ,  D21H17/45 ,  D21H17/42 ,  D21H27/10 ,  D21H17/44 ,  D21H17/47 ,  D21H17/56 ,  D21H17/37 ,  D21H17/36 ,  D21H17/43

Abstract: The present disclosure relates to a dry strength agent composition, use of an amine-containing cationic polymer for enhancing the dry strength of paper, and a method for enhancing the dry strength of paper. The dry strength agent composition includes at least two components. The first component is an amine-containing cationic polymer and the second component may be one or more anionic or amphoteric polymers.