公开(公告)号：US20220195672A1

公开(公告)日：2022-06-23

申请号：US17599797

申请日：2020-04-01

Applicant: KEMIRA OYJ

Inventor： Clayton CAMPBELL ,  Junhua CHEN ,  Zheng DANG

IPC: D21H21/20 ,  D21H17/00 ,  D21H17/55 ,  D21H23/50 ,  D21H17/66 ,  D21H17/69

Abstract: Methods for making paper with improved strength and methods for improving paper strength, using a metal chelate and an organic polymer, and improved strength paper made through these processes.

公开(公告)号：US20240328918A1

公开(公告)日：2024-10-03

申请号：US18003013

申请日：2021-06-30

Applicant: KEMIRA OYJ

Inventor： Clayton CAMPBELL ,  Lucyna PAWLOWSKA ,  Tiago DE ASSIS ,  Christopher NURSE ,  Jukka-Pekka RAUNIO

IPC: G01N3/56

CPC classification number: G01N3/56

Abstract: The present disclosure generally relates to a method of measuring dust and lint particles such as dust and lint particles that may originate from and/or during the manufacture of paper, cloth or textiles, for example, tissue and other printed fine paper and board grades, and/or the dust and lint particles that may originate from and/or during the use of paper, cloth or textiles, for example, tissue and other printed fine paper and board grades.

公开(公告)号：US20240318383A1

公开(公告)日：2024-09-26

申请号：US18269826

申请日：2021-12-27

Applicant: KEMIRA OYJ

Inventor： Zheng DANG ,  Junhua CHEN ,  Clayton CAMPBELL ,  Yong ZOU ,  Yuping LUO

IPC: D21H17/00 ,  D21H17/02 ,  D21H17/07 ,  D21H17/60 ,  D21H23/08

CPC classification number: D21H17/72 ,  D21H17/02 ,  D21H17/07 ,  D21H17/60 ,  D21H23/08

Abstract: The present invention provides a softener concentrate and a softener emulsion comprising imidazoline-based surfactant, lanolin-based softener, phospholipids and surfactant blend. The present invention further provides a process for producing a softener emulsion and controlling the viscosity of a softener emulsion. The present invention also provides a method for producing paper, tissue or paperboard, in which method a softener according to the present invention is used.