Process for impregnating cellulosic materials and products hereby obtained

Abstract From the Canadian patent

The invention provides for a process for impregnating a cellulosic material, especially wood to improve, its resistance to moisture and to increase its dimensional stability, wherein the material is brought into contact with an agent comprising a silane of the formula: wherein R1, R2 and R3 are same or different and are selected from the group comprising: alkoxy with 1 to 6 carbon atoms, and R4 is equal to any of R1 R2 and R3 or, selected from the group comprising: alkyl and cycloalkyl with 1 to 6 carbon atoms, aryl, aralkyl and organo-functional radicals, or with a hydrolysate or hydrolysate-condensate of such silane. The invention also extends to products prepared by such process.