Photographic elements with a support comprising polymeric propylene compositions

摘要

Compositions are provided comprising a film-forming crystalline polypropylene, crystalline block copolymer of propylene and at least one other alpha -monoolefin selected from the group of ethylene and alpha -monoolefin hydrocarbons of 4 to 10 carbon atoms or mixtures of the block copolymer and the polypropylene, having incorporated therein about 15 to 40 percent by weight talc, 5 to 15 percent by weight titanium dioxide pigment, 5 to 20 percent of an elastomer and 1/10 to 1 percent by weight of a polyolefin antioxidant.