Pressure-sensitive adhesives

Details Pressure-sensitive adhesives Pressure-sensitive adhesives

C - Chemistry, Metallurgy

08

G

402/133, 154/141

C08G 18/62 (2006.01) C08G 18/10 (2006.01) C09J 7/02 (2006.01) C09J 175/04 (2006.01)

Patent

CA 1134988

ABSTRACT OF THE DISCLOSURE A pressure-sensitive adhesive comprises the reaction of product of (A) at least one alkyl acrylate liquid polymer containing both terminal and random hydroxyl functionality, and (B) at least one prepolymer of a polyester glycol or a polyalkylene ether glycol with an excess amount of an aromatic dissocyanate. The adhesive has a full range of desirable adhesive properties, including excellent rolling ball tack, 180° peel adhesion and shear adhesion. The adhesive is useful in both solvent and solvent-free systems.

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