MODIFIER FOR PAPER, PAPER AND PRODUCTION OF PAPER

Title:

MODIFIER FOR PAPER, PAPER AND PRODUCTION OF PAPER

Document Type and Number:

Japanese Patent JP2001081697

Kind Code:

A

Abstract:

To obtain a modifier for paper, suitable as an improver of an interlaminar strength, and an improver of a paper strength such as a burst strength for a multilayered combination paper by formulating a water-soluble polysaccharides at least containing alginic acid with an acrylamide-based polymer.

This modifier for paper comprising at least 0.1-50 wt.% water-soluble polysaccharides at least containing alginic acid, and 99.9-50 wt.% (meth) acrylamide-based polymer. The water-soluble saccharides at least containing the alginic acid are obtained by copolymerizing (meth)acrylamide with a cationic vinyl monomer, e.g. (dimethylaminoethyl (meth)acrylate and a polyfunctional vinyl monomer, e.g. di(meth)acrylate in the presence of the water-soluble polysaccharides at least containing the alginic acid to provide the (meth) acrylamide-based polymer.

Inventors:

MATSUOKA HIDEOMI
OBOKATA TAKAO
KONO KOJI
HIRASAWA TAKAHITO

Application Number:

JP2000211007A

Publication Date:

March 27, 2001

Filing Date:

July 12, 2000

Export Citation:

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Assignee:

NIPPON PMC KK

International Classes:

C08F2/44; C08F251/00; D21H17/30; D21H17/37; D21H21/18; D21H27/00; (IPC1-7): D21H21/18; C08F2/44; C08F251/00; D21H17/30; D21H27/00

Attorney, Agent or Firm:

Tadashi Sano

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