Acid type starch adhesive composition

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...

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Bibliographische Detailangaben
Hauptverfasser:	HOFMANN, LEROY CHARLES, SADLE, ALEXANDER
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY DYES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS POLISHES USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	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.