Dry powder mixes comprising phase change materials

Details Dry powder mixes comprising phase change materials Dry powder mixes comprising phase change materials

1994-09-29

1995-12-26

Rivell, John

Heat exchange

Intermediate fluent heat exchange material receiving and...

Liquid fluent heat exchange material

252 77, 252 73, 220429, C09K 506

Patent

active

054779170

ABSTRACT:
A free flowing, conformable powder-like mix of silica particles and a phase change material (PCM) is provided. The silica particles have a critical size of about 0.005 to about 0.025 microns and the PCM must be added to the silica in an amount of 75% or less PCM per combined weight of silica and PCM. The powder-like mix can be used in tableware items, medical wraps, tree wraps, garments, quilts and blankets, and particularly in applications for heat protection for heat sensitive items, such as aircraft flight recorders, and for preventing brake fade in automobiles, buses, trucks and aircraft.

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