Patent ID: 6572978
Filing Date: 2003-06-03
Classification: B05D,C09D,Y10T

Abstract:
A method of treating wood composition boards to reduce the penetration of water therethrough comprising the steps of:providing a wood composition board; providing an organic solvent soluble, further curable resin consisting essentially of: a ladder organosilsesquioxane polymer of the formula: â€ƒwherein R and Râ€² may be the same or different and are selected from the group consisting of: a) aliphatic hydrocarbons of 1-4 carbon atoms; b) a phenyl radical; c) a phenyl radical substituted with hydroxy or halogen groups; and d) halogen groups, provided that R and Râ€² are not both halogen; w, x, y, and z are functional groups selected from the group consisting of alkoxy groups of 1-4 carbon atoms, halogen atoms, hydroxyl groups and silanol groups, and n is an integer ranging from 10-200, and optionally including a curing a catalyst, inert elements, dyes, coloring agents or fillers; coating or impregnating said wood composition board with said organic solvent soluble, further curable resin; and curing said organic solvent soluble, further curable resin to reduce the penetration of water there through.