The present invention is an improved release coating for use on a variety of elastomeric structures, such as printer rollers and belts. The coating of the present invention is a thin expanded polytetrafluoroethylene skin that has a porous surface attached to a substratum and an impermeable surface...http://www.google.com/patents/US5798181?utm_source=gb-gplus-sharePatent US5798181 - Fluoropolymer coated elastomeric rollers and structures
