Method for preparing alkaline corrugating adhesive

Details Method for preparing alkaline corrugating adhesive Method for preparing alkaline corrugating adhesive

1980-10-14

1982-05-11

Lieberman, Allan

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

106210, C08L 306, C08L 304, C09J 306

Patent

active

043291813

ABSTRACT:
A method for preparing an alkaline corrugating adhesive having improved tack involves cooking in a continuous pressure cooker a starch derivative with a total amylose content of at least about 40% by weight and with a minimum D.S. of alkali-labile stabilizing groups of about 0.01, the cooking being conducted at a minimum temperature of about 80.degree. C. to form a gelatinized starch carrier, and incorporating the carrier starch into an alkaline corrugating adhesive, which regenerates the amylose present in the starch. Preferably the total amylose content of the starch derivative is at least 65% and the D.S. is 0.035-0.30.

REFERENCES:
patent: 3728141 (1973-04-01), Ray-Chaudhuri et al.
patent: 3728332 (1973-04-01), Tessler et al.
patent: 3732207 (1973-05-01), Kovatz
patent: 3912531 (1975-10-01), Musselman et al.
patent: 3944428 (1976-03-01), Schoenberg et al.
patent: 4297144 (1981-10-01), Klein et al.
Welling et al., "Viscosity Stabilizer for High Solid Thermal-Chemically Converted Starch Pastes Used as Coating Adhesives". TAPPI Coating Conference Preprint, 1975, pp. 53-59.

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