公开(公告)号：US20230323601A1

公开(公告)日：2023-10-12

申请号：US16607955

申请日：2018-04-24

Applicant: IMERTECH SAS

Inventor： Andrew FINDLAY, I ,  João SCALOPPE ,  Samuel HARDISTY ,  Douglas WICKS ,  Janet PRESTON

IPC: D21H21/02 ,  D21H17/67 ,  D21H17/62 ,  D21H17/00 ,  C09C1/02 ,  C09C3/10

CPC classification number: D21H21/02 ,  D21H17/675 ,  D21H17/62 ,  D21H17/74 ,  C09C1/021 ,  C09C3/10 ,  C01P2006/12 ,  C01P2006/22 ,  C01P2004/62 ,  C01P2004/61

Abstract: Use of a particulate mineral having a coating of one or more rosin acid(s) and/or one or more derivative(s) thereof as a pitch and/or stickies control agent in a composition comprising cellulosic pulp, a method of reducing dissolved and/or colloidal pitch and/or stickies in cellulosic pulp using said coated particulate minerals, said coated particulate mineral, a method of making said coated particulate mineral, a composition comprising cellulosic pulp and said coated particulate mineral and paper comprising said coated particulate mineral.