Curable pressure sensitive adhesive compositions

Details Curable pressure sensitive adhesive compositions Curable pressure sensitive adhesive compositions

2007-11-20

2007-11-20

McClendon, Sanza L. (Department: 1711)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

C428S343000, C428S349000, C428S3550RA, C428S3550EN, C428S3550AC, C428S3550EN, C522S096000, C522S090000, C522S093000, C522S095000, C522S104000, C522S106000, C522S107000, C522S109000, C522S110000, C522S111000, C522S112000, C525S903000

Reexamination Certificate

active

11098934

ABSTRACT:
Curable pressure sensitive adhesive compositions comprising an acrylate copolymer, a mono-acrylate oligomer, a multi-acrylate oligomer having from 2 to 5 acrylate functional groups per molecule, and a photoinitiator, the adhesive exhibiting pressure sensitive adhesive characteristics and forms at least a semi-interpenetrating polymer network when cured; wherein the semi-IPN has an average molecular weight between crosslinks (Mc) greater than about 3000, and the cured adhesive has a peel strength greater than about 40 N/dm. Embodiments of the adhesive compositions, when cured, are optically clear and resistant to heat and moisture.

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