Avery Dennison Corporation

Avery International Corporation

Binoy K Bordoloi

Yehuda Ozari

Robert V Ham

Gerald R Dever

Sebastian S Plamthottan

There is provided a radiation-curable, pressure-sensitive-adhesive layer formed of at least one monomer having a glass-transition temperature greater than about -25.degree. C. and an entanglement molecular-weight less than about 20,000; at least one monomer having a glass-transistion temperature less than about -25.degree. C. and an entanglement molecular-weight greater than about 20,000; and at least one tackifier monomer having a glass-transistion temperature greater than -25.degree. C. and an entanglement molecular-weight of at least about 20,000 and present in an interpolymerized amount sufficient to form an interpolymer having a glass-transition temperature less than about -25.degree. C. and an entanglement molecular-weight greater than about 20,000. Cure is preferably by electron beam, and a multifunctional monomer is preferably provided to improve shear.

Energy-curable acrylic pressure-sensitive adhesives

A heat-sensitive material is incorporated into a fluid prepolymer precursor of a pressure-sensitive adhesive to form a stable mixture. The mixture is cast onto a substrate, and the prepolymer is polymerized into a pressure-sensitive adhesive by the action of ultraviolet radiation, electron-beam radiation, or a combination thereof.

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Newhall, CA, United States of America

Binoy K Bordoloi