2, 2010. "Catalysts and Additives (Polyurethanes),â Ullman's Encyclopedia ... Described are various methods of producing non-aqueous ..... 25 halide or alkyl ester functional compound having at least one .... herein, the terms âsubstantially hydrophilic monomerâ and methylpropane sulfonic acid, acrylic(3-sulfopropyl)ester.