Methods for producing bodies having chemically embossed patterns comprise: (1) adding sulphur and synthetic rubber material capable of forming sulphur bridges to a vinyl chloride resin preparation containing a foaming agent, forming the mixture into a sheet, printing embossed patterns on the sheet using...http://www.google.com.au/patents/US4082876?utm_source=gb-gplus-sharePatent US4082876 - Method for producing foamed body having chemical embossed patterns and resultant product
