Agent for improving surface quality of paper

Details Agent for improving surface quality of paper Agent for improving surface quality of paper

1996-03-15

1998-05-26

Truong, Duc

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528315, 528332, 528367, 528422, 5253294, C08G 6908

Patent

active

057566461

ABSTRACT:
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 acrylamide monomer and a cross-linking agent; or an acrylamide monomer, an acrylnitrile 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.

REFERENCES:
Microstructure of acrylamide-acrylic acid copolymers: 2. As obtained by direct copolymerization Polymer. 1986, vol. 27, Mar., pp. 467-475.
Microstructure of acrylamide-acrylic acid copolymers: 1. As obtained by alkaline hydrolysis Polymer, 1986, vol. 37. Mar., pp. 459-466.
Translation of relevant parts of Japanese Laid-Open Patent Publication No. Sho 53-59787, entitled "Process for Producting Copolymers".

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