High-speed starch-based corrugating adhesive containing a...

Details High-speed starch-based corrugating adhesive containing a... High-speed starch-based corrugating adhesive containing a...

C - Chemistry, Metallurgy

09

J

C09J 103/02 (2006.01) B31F 1/20 (2006.01) B32B 3/28 (2006.01) C09J 103/00 (2006.01) C09J 103/10 (2006.01)

Patent

CA 2047985

ABSTRACT A high speed corrugating adhesive having a carrier phase comprised of starch, modified starch or dextrin and polyvinyl alcohol in an aqueous emulsion wherein a cold water soluble, partially hydrolyzed, polyvinyl alcohol is used as a starting material. The polyvinyl alcohol is further hydrolyzad in situ to a degree of hydrolysis of more than about 95% by heating it in the presence of water, caustic, and starch, modified starch or dextrin. The carrier phase is admixed with a boron containing compound and a suspension of water and starch to prepare the corrugating adhesive for use in a corrugating machine. 07/26/90 CPC8901C

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