Title:
MANUFACTURE OF PAPER
Document Type and Number:
WIPO Patent Application WO2000012819
Kind Code:
A8
Abstract:
A process for making paper on a paper-making machine comprising providing a cellulosic thin stock-suspension, flocculating the suspension by adding an aqueous solution of a polymeric retension aid selected from natural and synthetic polymer and thereby forming a flocculated suspension, shearing the flocculated suspension, reflocculating the sheared suspension by adding an aqueous reflocculating suspension, draining the reflocculated suspension through a wire to form a sheet, and drying the sheet, characterised in that substantially fully cooked starch is added to the suspension after the shearing and before the draining.
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Inventors:
WARING IAN MARK (GB)
Application Number:
PCT/EP1999/005999
Publication Date:
March 29, 2001
Filing Date:
August 16, 1999
Export Citation:
Assignee:
CIBA SPEC CHEM WATER TREAT LTD (GB)
WARING IAN MARK (GB)
WARING IAN MARK (GB)
International Classes:
D21H21/10; D21H23/14; D21H17/28; (IPC1-7): D21H23/14; D21H21/10
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