Microwavable thermal energy storage material

Details Microwavable thermal energy storage material Microwavable thermal energy storage material

1996-03-28

1998-09-08

Weisberger, Richard

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

428 353, 428 357, 252 70, 165 10, 165 53, 524489, 524490, 524497, C09K 318, F28D 1700

Patent

active

058042660

ABSTRACT:
A microwavable thermal energy storage material is provided which includes a mixture of a phase change material and silica, and a carbon black additive in the form of a conformable dry powder of phase change material/silica/carbon black, or solid pellets, films, fibers, moldings or strands of phase change material/high density polyethylene/ethylene-vinyl acetate/silica/carbon black which allows the phase change material to be rapidly heated in a microwave oven. The carbon black additive, which is preferably an electrically conductive carbon black, may be added in low concentrations of from 0.5 to 15% by weight, and may be used to tailor the heating times of the phase change material as desired. The microwavable thermal energy storage material can be used in food serving applications such as tableware items or pizza warmers, and in medical wraps and garments.

REFERENCES:
patent: 3927291 (1975-12-01), Peterson
patent: 4518651 (1985-05-01), Wolfe, Jr.
patent: 5106520 (1992-04-01), Salyer
patent: 5118747 (1992-06-01), Pollart et al.
patent: 5282994 (1994-02-01), Salyer
patent: 5338911 (1994-08-01), Brandberg et al.
patent: 5565132 (1996-10-01), Salyer

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