Process for the production of corrugated paperboard adhesive

Details Process for the production of corrugated paperboard adhesive Process for the production of corrugated paperboard adhesive

1980-02-08

1982-08-10

Lieberman, Allan

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

106210, C08L 310, C08L 320, C09J 306

Patent

active

043436544

ABSTRACT:
Improved Stein-Hall type adhesives having an uncooked slurry portion and a cooked carrier portion wherein the carrier portion is produced by cooking a slurry of a starch having substantial amylopectin content, at an alkaline pH, in the presence of an amount of hydrogen peroxide sufficient to lower the viscosity of the cooked carrier to that of conventional Stein-Hall carriers, viz., so that when added to the secondary slurry, the viscosity of the finished adhesive will be about 40 to 50 seconds (Stein-Hall) at 100.degree.-105.degree. F., and in the presence of a catalyst effective to reduce the cooking time required to reach that viscosity to about 15 minutes or less.

REFERENCES:
patent: 2307684 (1943-01-01), Kauffmann et al.
patent: 3539366 (1970-11-01), Ewing
patent: 4165992 (1979-08-01), Azumada et al.
R. W. Kerr, "Chemistry & Industry of Starch", 1950, p. 597.

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