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United States Patent Application

View the Complete Application at the US Patent & Trademark Office
The present invention generally relates to a method for manufacturing phase change material (PCM) pellets. The method includes providing a melt composition, including paraffin and a polymer. The paraffin has a melt point of between about C. and about C., and more preferably between about C. and about C. In one embodiment, the melt composition includes various additives, such as a flame retardant. The method further includes forming the melt composition into PCM pellets. The method further may include the step of cooling the melt to increase the melt viscosity before pelletizing. Further, PCM compounds are provided having an organic PCM and a polymer. Methods are provided to convert the PCM compounds into various form-stable PCMs. A method of coating the PCMs is included to provide PCMs with substantially no paraffin seepage and with ignition resistance properties.
Abhari, Ramin (Bixby, OK)
15/ 095,302
April 11, 2016
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] Some aspects of this disclosure were made with U.S. government support under DE-EE0003924 awarded by the U.S. Department of Energy. The U.S. government may have certain rights in the disclosure.