Title:
IMPROVEMENT IN DEHYDRATION OF WET PAPER WEB USING MANNICH ACRYLAMIDE POLYMERS
Document Type and Number:
Japanese Patent JPS60209096
Kind Code:
A
Abstract:
@ Dewatering of wet paper webs in general and particularly under high vacuum is improved by the addition of a Mannich acrylamide polymer having a molecular weight of not greater than about 300,000 to an aqueous slurry of paper-making fibers having a pH less than about 5.5.
Inventors:
ROBAATO EMIIRU SUKARUFUAROTSUT
Application Number:
JP10870784A
Publication Date:
October 21, 1985
Filing Date:
May 30, 1984
Export Citation:
Assignee:
AMERICAN CYANAMID CO
International Classes:
D21F1/00; D21H17/37; D21F11/04; D21H17/45; (IPC1-7): D21F11/04; D21H3/38
Attorney, Agent or Firm:
Heikichi Odashima