C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 4/06 (2006.01) C08G 18/67 (2006.01) C08G 18/78 (2006.01) C08G 18/79 (2006.01) C09D 175/06 (2006.01) C09D 175/16 (2006.01) D06N 3/14 (2006.01)
Patent
CA 2189836
Floor coverings include a wear layer made from a coat composition including a multifunctional polyurethane (meth)acrylate oligomer. The multifunctional polyurethane is made by reacting a polyisocyanate with a functionality equal or higher than 3, a polyester polyol, and a hydroxyalkyl-(meth)acrylate with a molecular weight of about 116 to about 600. The coating composition preferably includes a reactive (meth)acrylate diluent and a photoinitiator.
Rosenberry Angela S.
Rupp Claude R.
Setthachayanon Songvit
Armstrong World Industries Inc.
Awi Licensing Company
Gowling Lafleur Henderson Llp
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