Multilayer photographic support material

摘要

A method for making a support paper for a photographic emulsion having a smooth unmottled surface which comprises applying to the top side of a photographic base paper pigmented monomeric liquid, acrylic coating mixture, hardening the mixture by bombarding with a beam of electrons at room temperature and extruding a pigmented polyolefin film over the hardened mixture to serve as a barrier against migration of unpolymerized monomer into the emulsion. The hardened acrylic resin is preferably oxidized by corona treatment to facilitate adhesion of the polyolefin.