Patent ID: 11866609
Assignee: 3M INNOVATIVE PROPERTIES COMPANY
Field: Surface technology, coating (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 0:
1. An optically clear adhesive composition comprising:
a free-radically polymerizable acrylate or meth(acrylate) functional acrylic oligomer;
a trialkyl borane-amine complex initiator, wherein the amine is decomplexed by reaction with a superacid to initiate polymerization of the free-radically polymerizable acrylate or meth(acrylate) functional acrylic oligomer;
a photoacid generator that generates a superacid upon exposure to actinic radiation; and
a photosensitizer wherein the photosensitizer absorbs light and transfers energy or an electron to the photoacid generator,
wherein the photosensitizer is a benzoin ether,
wherein a viscosity of the composition immediately after mixing and a viscosity of the composition about 24 hours after mixing changes by less than about 10%.