Recovering method of support and useful ingredient from image forming material
AssigneeKonica Corporation
InventorsYasunori Wada, Kiyoshi Goto
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Abstract
A method for recovering a resin support from an image forming material comprising a resin support having thereon an image forming layer is disclosed, in which the image forming material is immersed into a dipolar aprotic solvent or an alkaline alcohol and the image forming layer is dissolved with stirring under heat.
Claims9
A method for recovering a resin support from an image forming material, said image forming material comprising a resin support, a sparingly water-soluble layer on said resin support, and a layer (II) between said resin support and said sparingly water-soluble layer, said layer (II) being soluble in an aqueous alkaline solution or an aqueous acid solution, said method comprising:
- (a) immersing said image forming material in an aqueous alkaline solution or an aqueous acid solution;
- (b) dissolving said layer (II) to form an aqueous layer (II) solution;
- and
- (c) separating and recovering said resin support from a mixture comprising said layer (II) solution and said sparingly water-soluble layer.
Dependencies are inferred from the claim text.