Starch carrier composition for adhesive containing urea as a sel

Details Starch carrier composition for adhesive containing urea as a sel Starch carrier composition for adhesive containing urea as a sel

1977-08-02

1979-06-05

Woodberry, Edward M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106213, 260 9, 260 173, 260 174ST, 428186, 428533, C08L 302

Patent

active

041573188

ABSTRACT:
A novel carrier composition for corrugating adhesives contains 1 part amylaceous material, about 3 to 5 parts water, and about 0.5 to 4 parts urea. The carrier is self-gelling at room temperature, and lowers the gel temperature of the adhesive paste to within the optimal range for use in making corrugated paperboard. The carrier is especially well-suited for use in acidic adhesive systems since its effect on the gelatinization temperature of the raw starch component is independent of pH.

REFERENCES:
patent: 3284381 (1966-11-01), Hickey et al.
patent: 3728141 (1973-04-01), Ray-Chaudhuri et al.
patent: 3984275 (1976-10-01), Hofmann et al.
patent: 4009311 (1977-02-01), Schoenberg
patent: 4033914 (1977-07-01), Bovier et al.
Chem. Abstracts; vol. 65: 7439e, Low-Cost Starch Adhesives, Talbot.

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