Patent ID: 6183853
Filing Date: 2001-02-06
Classification: B01D,C08G,C08J,C09D,D06M,Y10T

Abstract:
A coated porous material comprising:(a) a porous material, and(b) a cured coating derived from a composition applied to said porous material comprising:(i) a compound of the formula ##STR8##wherein R is each independently H, CH.sub.2 OH or CH.sub.2 OR.sup.2, and R.sup.1 and R.sup.2 are each independently alkyl having 1 to 4 carbon atoms; and(ii) an alcohol selected from the group consisting of perfluoroalkyl alcohols of the formulaR.sup.f --(CH.sub.2).sub.x --OH,in which R.sup.f is C.sub.n F.sub.2n+1 or ##STR9##where x is 1-12; n is 3-20, and R.sup.3 is H, alkyl of 1-4 carbon atoms or --(CH.sub.2).sub.x --OH, and polyhydric alcohols.