초록 ▼

The present invention comprises a thin layer of a cooling composition having a novel and narrow relative range of components, where such thin layer is maintained as such in a thin sheath for use as a cooling cushion especially for the seat of a sitting human, but may also be used for the back of a r

The present invention comprises a thin layer of a cooling composition having a novel and narrow relative range of components, where such thin layer is maintained as such in a thin sheath for use as a cooling cushion especially for the seat of a sitting human, but may also be used for the back of a reclining human. The use of this cushion is for ambient temperatures at about 75.3.degree. F. (23.degree. C.) and above, i.e., the initial melting temperature for the cooling composition incorporating a specific phase change material.

대표청구항 ▼

[ I claim:] [1.] A cooling cushion comprising:(a) a flexible sheeting material encapsulating a cooling composition material; and(b) the cooling composition material comprising the following components:______________________________________ Component Wt. % Range in Composition _______________________

[ I claim:] [1.] A cooling cushion comprising:(a) a flexible sheeting material encapsulating a cooling composition material; and(b) the cooling composition material comprising the following components:______________________________________ Component Wt. % Range in Composition ______________________________________ Na2SO4.10H2O 87.5 to 70 Surfactant 0.8 to 15% Ethylene Glycol 7.3 to 15% Acrylic Acid Resin 0.7 to 15% Nucleating Agent 3.7 to 15% ______________________________________whereby the surfactant, ethylene glycol, and acrylic acid resin are added to molten Na2SO4.10H2O and agitated until a visible emulsion is formed, whereafter, the nucleating agent is added and mixed to uniformity, the resulting material forming the cooling composition material.