POLYURETHANE PHASE-CHANGE COMPOSITIONS AND METHODS OF MANUFACTURE THEREOF
First Claim
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1. A method of manufacturing a polyurethane phase-change composition, the method comprising:
- forming a curable composition comprising a homogeneous mixture of an organic isocyanate, a polyol having a hydroxyl functionality of 1.5 to 5, and a phase-change material; and
curing the curable composition to obtain a polyurethane phase-change composition,wherein the polyurethane phase-change composition has a transition temperature, determined by differential scanning calorimetry according to ASTM D3418, of 5 to 70°
C., 20 to 65°
C., 25 to 60°
C., 30 to 50°
C., or 35 to 45°
C.
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Abstract
A method of manufacturing a polyurethane phase-change composition comprises forming a curable composition comprising a homogeneous mixture of an organic isocyanate, a polyol having a hydroxyl functionality of 1.5 to 5, and a phase-change material; and curing the curable composition to obtain a polyurethane phase-change composition, wherein the polyurethane phase-change composition has a transition temperature, determined by differential scanning calorimetry according to ASTM D3418, of 5 to 70° C.
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23 Claims
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1. A method of manufacturing a polyurethane phase-change composition, the method comprising:
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forming a curable composition comprising a homogeneous mixture of an organic isocyanate, a polyol having a hydroxyl functionality of 1.5 to 5, and a phase-change material; and curing the curable composition to obtain a polyurethane phase-change composition, wherein the polyurethane phase-change composition has a transition temperature, determined by differential scanning calorimetry according to ASTM D3418, of 5 to 70°
C., 20 to 65°
C., 25 to 60°
C., 30 to 50°
C., or 35 to 45°
C. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A polyurethane phase-change composition comprising the reaction product of a homogeneous mixture of an organic isocyanate, a polyol having a hydroxyl functionality of 1.5 to 5, and a phase-change material wherein the polyurethane phase-change composition has a transition temperature, determined by differential scanning calorimetry according to ASTM D3418, of 5 to 70°
- C., 20 to 65°
C., 25 to 60°
C., 30 to 50°
C., or 35 to 45°
C. - View Dependent Claims (21, 22, 23)
- C., 20 to 65°
Specification