PPG Industries Ohio,Inc.has patented a coating comprising:a polysiloxane polymer comprising the reaction product of:
(a)a hybrid copolymer comprising:
(i)a first monomer comprising hydroxypropylacrylate;
and(ii)a second monomer comprising methacryloxypropyltrimethoxysilane;
(b)a second material comprising methyltrimethoxysilane,wherein the hybrid copolymer is present in an amount in the range of 5 weight percent to 40 weight percent based on the total weight of the hybrid copolymer and the second material.
Source:
http://www.coatingsworld.com/issues/2012-10/view_patents/ppg-patents-polysiloxane-coating-with-hybrid-copolymer/