A coatable, thermally curable binder precursor solution, the solution including a 30-95% solids solution of a thermally curable resin and a reactive diluent. The reactive diluent may be selected form urea derivatives, alkylsubstituted 2-aminoalcohols, .beta.-ketoalkylamides, nitro alkanes, and poly(oxyalkylene)...http://www.google.com.au/patents/US5178646?utm_source=gb-gplus-sharePatent US5178646 - Coatable thermally curable binder presursor solutions modified with a reactive diluent, abrasive articles incorporating same, and methods of making said abrasive articles