BEDDING PRODUCT HAVING PHASE CHANGE MATERIAL
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United States of America Patent
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Issued Date -
Aug 2, 2012
app pub date -
Feb 1, 2012
filing date -
Feb 1, 2011
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Abstract
Embodiments herein describe a cooling cushion or bedding product and methods of making the same. In some embodiments, the cooling cushion or bedding product comprises a microencapsulated phase change material having a melting point in the range from about −30° C. to about 55° C. and a foam. In some embodiments, the microencapsulated phase change material is uniformly dispersed within the foam. Embodiments herein also describe a method of making a cooling cushion or bedding product comprising dispersing a microencapsulated phase change material into a polyol to create a polyol-PCM blend and adding an isocyanate to the polyol-PCM blend. Some embodiments describe a method of making a cooling cushion or bedding product comprising pouring polyol, microencapsulated phase change material having a melting point in the range from about −30° C. to about 55° C. and isocyanate together to form a foaming reaction.
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