D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 19/20 (2006.01) D21H 17/37 (2006.01) D21H 17/43 (2006.01) D21H 19/12 (2006.01) D21H 21/18 (2006.01)
Patent
CA 2171583
An agent for improving surface quality of paper comrising an acrylamide resin composition obtained by hydrolyzing an acrylamide resin which is obtained by polymerizing an acrylamide monomer in the presence of a urea compound, or copolymerizing an acrylamide monomer and an acrylonitrile monomer; an acryl amide monomer and a cross-linking agent; or an acrylamide monomer, an acryl nitrile monomer and a cross-linking agent in the presence of a urea compound. This agent provides paper with excellent surface strength, tensile strength and internal strength far better than conventional paper quality improving agents.
Iwai Kiyoshi
Kawano Hiroharu
Nasu Kenji
Takizawa Satoshi
Japan Pmc Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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