STRUCTURALLY RIGID NONIONIC AND ANIONIC POLYMERS AS RETENTION AND DRAINAGE AIDS IN PAPERMAKING

Title:

STRUCTURALLY RIGID NONIONIC AND ANIONIC POLYMERS AS RETENTION AND DRAINAGE AIDS IN PAPERMAKING

Document Type and Number:

WIPO Patent Application WO2002052102

Kind Code:

A3

Abstract:

This invention concerns a method of increasing retention and drainage in a papermaking furnish comprising adding to the furnish an effective amount of a structurally rigid nonionic or anionic polymer.

Inventors:

WARD WILLIAM J
DUNHAM ANDREW J
CARTER PHILLIP W
ZELENEV ANDREI S

Application Number:

PCT/US2001/045706

Publication Date:

September 06, 2002

Filing Date:

November 29, 2001

Export Citation:

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Assignee:

ONDEO NALCO CO (US)

International Classes:

D21H21/10; D21H17/55; (IPC1-7): D21H17/55; D21H21/10

Foreign References:

US5733414A	1998-03-31
US5095073A	1992-03-10

Other References:

SAKAR ET AL.: "Rigid rod water-soluble polymers", JOURNAL APPL. SCI., vol. 62, 1996, pages 393 - 408, XP002951136

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