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THERMOPLASTIC FOAMS BLOWN WITH HFC-152 OR HFC-143 AND PROCESS OF MAKING THE SAME

IP.com Disclosure Number: IPCOM000033933D
Publication Date: 2005-Jan-05

Publishing Venue

The IP.com Prior Art Database

Abstract

1,2-difluoroethane (hydrofluorocarbon or HFC-152) and 1,1,2-trifluoroethane (HFC-143) show promise as blowing agents with low ozone-depletion potential, low global warming potential and low flammability for use in making styrene polymer foams, especially extruded polystyrene (XPS) foam.