公开(公告)号：US20190003125A1

公开(公告)日：2019-01-03

申请号：US16064262

申请日：2016-12-26

Applicant: Ecolab USA Inc.

Inventor： Zhi Chen ,  Jinhai Xiao ,  Xiaofeng Zhang ,  Kun Hou ,  James L. Thomas ,  Kaihong Huang

IPC: D21H21/16 ,  D21H17/15 ,  D21H17/66 ,  D21H17/62 ,  D21H17/17 ,  D21H17/28 ,  D21H17/00 ,  D21H23/24

Abstract: The present application discloses a sizing method for making paper. An alkenyl succinic anhydride (ASA) is added to a papermaking process. An aluminum salt is added in one or more process steps during the papermaking process. Preferably, the aluminum salt is an aluminum salt which can generate free aluminum ion in aqueous solution. The sizing method of the present application enhances the usage efficiency of a sizing agent and the aluminum salt, as well as provides paper having a high moisture content.

公开(公告)号：US10889939B2

公开(公告)日：2021-01-12

申请号：US16064262

申请日：2016-12-26

Applicant: Ecolab USA Inc.

Inventor： Zhi Chen ,  Jinhai Xiao ,  Xiaofeng Zhang ,  Kun Hou ,  James L. Thomas ,  Kaihong Huang

IPC: D21H21/16 ,  D21H17/15 ,  D21H17/66 ,  D21H17/62 ,  D21H17/17 ,  D21H17/28 ,  D21H17/00 ,  D21H23/24 ,  D21H23/26 ,  D21H23/28 ,  D21H17/14 ,  D21H17/70

Abstract: The present application discloses a sizing method for making paper. An alkenyl succinic anhydride (ASA) is added to a papermaking process. An aluminum salt is added in one or more process steps during the papermaking process. Preferably, the aluminum salt is an aluminum salt which can generate free aluminum ion in aqueous solution. The sizing method of the present application enhances the usage efficiency of a sizing agent and the aluminum salt, as well as provides paper having a high moisture content.