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Last Updated Wednesday, October 7 2015

Henkel Patents Waterborne Adhesive

Published December 11, 2013
U.S. 8,546,471 B2
Henkel has received a patent for a waterborne adhesive comprised of 1 to 50 weight percent of a (meth)acrylate copolymer the copolymer having an acid number from 0 to 150 mgKOH/g, 2 to 30 weight percent of natural polymers, selected from the group consisting of starch, dextrin, cellulose, and proteins, 0.5 to 30 weight percent  of urea, 0.1 to 20 weight percent of additives, characterized in that the adhesive contains 0.05 to 20 weight percent of a water swellable polymer.

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