Starch-based adhesive formulation

C - Chemistry – Metallurgy – 09 – J

Patent

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Details

154/107, 117/30,

C09J 103/02 (2006.01) B31D 1/02 (2006.01) B65C 1/00 (2006.01) C09J 7/02 (2006.01)

Patent

CA 1327427

ABSTRACT Aqueous starch-based adhesives for use in a variety of applications can be made alkali sensitive or can have enhanced cleanability under aqueous conditions. The adhesive composition comprises a major proportion of water, an effective adhesive bond-promoting amount of starch, and a water soluble neutralized reaction product between a base and a rosin composition having an acid number of greater than about 140. A label comprising the adhesive and method of adhering such label to containers are also provided by the invention.

577560

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