Patents

Bayer MaterialScience Patents Coating Compositions

August 2, 2010

Patent No. U.S. 7,728,076 B2
Bayer MaterialScience AG has been granted a patent for a coating composition comprised of A) a polyol component consisting of a) from 5% to 40% weight of one or more aliphatic oligocarbonate polyols having a number-average molecular weight Mn of from 200 to 5,000 g/mol, b) from 20% to 60% weight of one or more oligoester polyols having a number-average molecular weight of from 200 to 5,000 g/mol, and c) from 20% to 70% weight of one or more hydroxy-functional polyacrylate polyols, the amounts of a), b) and c) totaling 100% weight, and B) one or more polyisocyanate crosslinkers that are reactive towards OH groups and have a mean NCO functionality of >2.0.

blog comments powered by Disqus