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Patent application: Dimensionally stable phase change material

Ben Welter - Friday, March 15, 2019

U.S. patent application 20190078006 (applicant Microtek Laboratories Inc., Dayton, Ohio):

"Methods for producing a dimensionally stable phase change material (PCM), and dimensionally stable PCMs are disclosed. The methods include providing a porous base material, mixing a phase change material having a polar functional group with a substance that increases the polar attraction of the phase change material for the porous base material to form a mixture thereof; and, thereafter, mixing the mixture with the porous base material until a selected saturation of phase change material in the porous base material is reached. The methods may include filtering the porous base material after the selected saturation is reached to form a cake of dimensionally stable PCM and, thereafter, reducing the size of the dimensionally stable PCM to an average mean particle size of about 10 to about 50 μm, or more preferably 20 to 30 μm."

http://www.freepatentsonline.com/20190078006.pdf

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