公开(公告)号：US20230078847A1

公开(公告)日：2023-03-16

申请号：US17899255

申请日：2022-08-30

Applicant: ECOLAB USA INC.

Inventor： Mingli WEI ,  Heqing HUANG ,  David Steven JORDAN ,  Weiguo CHENG ,  Mei LIU ,  Zhi CHEN ,  J. Matthew CHUDOMEL ,  Meng ZHANG

IPC: D21H17/00 ,  D21H21/18 ,  D21H17/67 ,  D21H17/38 ,  D21H23/04

Abstract: Compositions and colloidal particles are provided that may be used to improve a papermaking process. The compositions and colloidal particles may include a polymer and an inorganic salt. A papermaking process carried out using the presently disclosed compositions and colloidal particles may produce a paper product that has increased strength properties.

公开(公告)号：US20180320316A1

公开(公告)日：2018-11-08

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: D21H21/18 ,  D21H17/45 ,  D21H17/37 ,  D21H17/36 ,  D21H17/26 ,  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.