Phase change material composition and method of fabricating and packaging the same
OwnerOrville Thomas Nealinventor
Life of this patent
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Abstract
A unique phase change material composition and method of maintaining pre-established environmental conditions and safeguards during the manufacturing process. A fabrication method and parameters which result in a more efficient and safe packaged phase change material. A microspherical form of Perlite is the chosen phase change material. The microspherical form of Perlite is vacuum packed in such a manner to exclude water and moisture as well as utilizing a sealing surface of sufficient width to maintain a vapor barrier at the sealed edges. Besides absorption and release of heat, the packaged phase change material may be used as a fire preventive article in residential and commercial properties.
Claims14
A method of manufacturing a phase change material composition comprising:
- (i) mixing salts consisting of about 30%-40% by weight of Calcium Chloride with about and 30% to 50% by weight of water with about 3.0% to 6% by weight of Potassium Chloride;
- (ii) adding about 10% to 20% by weight of Perlite to said mixed salts;
- (iii) mixing said Perlite and said mixed salts;
- (iv) maintaining a relative humidity of <35% during steps (i) through (iii) and optionally further comprising in steps (ii) adding 0.01% to 0.3% by weight Barium Sulfate, 0.1% to 1.5% by weight of Strontium Chloride and/or 0.1% to 2.0% by weight of Sodium Chloride.
A method of manufacturing a phase change material composition comprising:
- (i) mixing salts consisting of about 30%-40% by weight of Calcium Chloride with about and 30% to 50% by weight of water with about 3.0% to 6% by weight of Potassium Chloride;
- (ii) adding about 10% to 20% by weight of Perlite to said mixed salts;
- (iii) mixing said Perlite and said mixed salts;
- (iv) adding desired amounts of phase change material composition created in steps (i) through (iii) to poly-vinyl-foil laminated pouches;
- (v) sealing said poly-vinyl-foil laminated pouches such that said seals are at least ¼″ wide;
- (vi) maintaining a relative humidity of <35% during steps (i) through (v) and optionally further comprising in steps (ii) adding 0.01% to 0.3% by weight Barium Sulfate, 0.1% to 1.5% by weight of Strontium Chloride and/or 0.1% to 2.0% by weight of Sodium Chloride.
Dependencies are inferred from the claim text.