Patent ID: 8748060

Claim:
An oligomer comprising the reaction product of an epoxy silane, a multifunctional (meth)acrylate, and a polymerizable fluorochemical; wherein the multifunctional (meth)acrylate is selected from the groups (a)-(e): (a) di(meth)acryl containing compounds selected from 1,3-butylene glycol diacrylate, 1,4-butanediol diacrylate, 1,6-hexanediol diacrylate, 1,6-hexanediol monoacrylate monomethacrylate, ethylene glycol diacrylate, alkoxylated aliphatic diacrylate, alkoxylated cyclohexane dimethanol diacrylate, alkoxylated hexanediol diacrylate, alkoxylated neopentyl glycol diacrylate, caprolactone modified neopentylglycol hydroxypivalate diacrylate, caprolactone modified neopentylglycol hydroxypivalate diacrylate, cyclohexanedimethanol diacrylate, diethylene glycol diacrylate, dipropylene glycol diacrylate, ethoxylated bisphenol A diacrylate, hydroxypivalaldehyde modified trimethylolpropane diacrylate, neopentyl glycol diacrylate, polyethylene glycol diacrylate, propoxylated neopentyl glycol diacrylate, tetraethylene glycol diacrylate, tricyclodecanedimethanol diacrylate, triethylene glycol diacrylate, and tripropylene glycol diacrylate; (b) tri(meth)acryl containing compounds selected from glycerol triacrylate, trimethylolpropane triacrylate, ethoxylated triacrylates, propoxylated triacrylates, trimethylolpropane triacrylate, and tris(2-hydroxyethyl)isocyanurate triacrylate; (c) higher functionality (meth)acryl containing compounds selected from ditrimethylolpropane tetraacrylate, dipentaerythritol pentaacrylate, pentaerythritol triacrylate, ethoxylated pentaerythritol tetraacrylate, and caprolactone modified dipentaerythritol hexaacrylate; (d) oligomeric (meth)acryl compounds selected from urethane acrylates, polyester acrylates and epoxy acrylates; and (e) nanoparticles that have been surface-modified with (meth)acrylate groups.