Inert organic polymer binders which can be utilized in the practice of the present invention are polymers such as copolymers of styrene and allyl alcohol, polystyrene, poly(methylmethacrylate), poly(??-methylstyrene), poly(vinylpyrrolidone), polyphenyleneoxide, vinylpyridine/styrene copolymers, acrylonitrile/butadiene copolymers, butylmethacrylic/isobutyl methacrylate copolymers, cellulose propion