Acid type starch adhesive composition

Details Acid type starch adhesive composition Acid type starch adhesive composition

1974-04-25

1976-10-05

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156210, 156331, 156292, 156332, 156310, 156336, 260 173, 260 174ST, 428182, 428514, 428186, 428533, C09J 302, C09J 318

Patent

active

039842754

ABSTRACT:
An aqueous acidic adhesive composition is described comprising starch, polyvinylacetate, a copolymer of vinylacetate and ethylene and, optionally, a water-resistant thermosetting resin such as urea-formaldehyde or melamine-formaldehyde. The adhesive is particularly useful as a corrugator adhesive in the preparation of corrugated paperboard which requires a high wet bond strength. Because of its excellent "green bond" characteristics, the corrugators can be run at high speeds to produce a product having acceptable wet bond strengths with the important additional advantages that the bond is strong, tough and flexible.

REFERENCES:
patent: 2996462 (1961-08-01), Robbins
patent: 3015572 (1962-01-01), Casey et al.
patent: 3019120 (1962-01-01), Bauer et al.
patent: 3337482 (1967-08-01), Watanabe et al.
patent: 3431162 (1969-03-01), Morris
patent: 3444109 (1969-05-01), Golick et al.
patent: 3485776 (1969-12-01), Bruner et al.
patent: 3488724 (1970-01-01), Jonermeyer et al.
patent: 3536561 (1970-10-01), Griffiths
patent: 3620899 (1971-11-01), Kelly et al.
patent: 3690981 (1972-09-01), Di Frank et al.
Du Pont Technical Bulletin "Elvace Acetate/Ethylene Emulsions for Adhesives," Jan. 1973 pp. 1-12.

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