Patent ID: 11920063
Assignee: 3M INNOVATIVE PROPERTIES COMPANY
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 10:
11. An optically clear, oil-resistant adhesive composition consisting of
at least about 40 wt % a hydroxy alkyl (meth)acrylate having an alkyl group containing 2 to 4 carbons;
a short alkyl (meth)acrylate having an alkyl group containing 6 or less carbons; optionally a monomer selected from 2-ethoxyethoxyethyl acrylate, acrylamide, 2-cyanoacrylate, or tetrahydrofurfuryl acrylate; and
a photo-initiator,
wherein the oil-resistant adhesive composition has a haze of less than about 5% after being soaked in oleic acid at room temperature for 4 hours in a 70° C. oven, removed from the oleic acid, and allowed to stand for about 5 minutes.