Title:
【発明の名称】製紙用保持助剤及び排水助剤
Document Type and Number:
Japanese Patent JP2818677
Kind Code:
B2
Abstract:
A papermaking stock comprising cellulose fibers in an aqueous medium at a concentration of preferably about 50% by weight of the total solids in the stock including a retention and dewatering aid comprising a two component combination of an anionic polyacrylamide and a cationic colloidal silicia sol. The stock exhibits enhanced resistance to shear forces during the papermaking process. A papermaking process is also described.
Inventors:
Rushmere, John Dee
Application Number:
JP50182089A
Publication Date:
October 30, 1998
Filing Date:
January 12, 1989
Export Citation:
Assignee:
Eka Nobel Incorporated
International Classes:
D21H17/63; D21H17/37; D21H23/76; D21H17/43; D21H17/68; D21H17/69; D21H21/10; D21H23/14; (IPC1-7): D21H17/63; D21H17/37
Domestic Patent References:
| JP62110998A | ||||
| JP60260377A |
Attorney, Agent or Firm:
Kazuo Shamoto (5 outside)