| abstract |
A method for increasing the hydrophobicity of a porous product by treating the product or a composition providing the product with a water repellent material, wherein the porous product or the composition providing the product comprises a micro Treated with an aqueous suspension of capsules, the microcapsules comprising a water repellent organosilicon core material selected from organosilanes, partially condensed organosilanes, and branched siloxane resins, and silicon-based containing silica units And a shell of a network polymer. |