DRY POWDER MIXES COMPRISING PHASE CHANGE MATERIALS_iii

  • Salyer I
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Abstract

Free flowing, conformable powder-like mix of silica particles and a phase change material (p.c.m.) is disclosed. The silica particles have a critical size of about 7 x 10⁻³ to about 7 x 10⁻² microns and the pcm must be added to the silica in an amount of 80 wt.% 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 in cementitious compositions of the type in which it is beneficial to use a pcm material. The silica-pcm mix can also be admixed with soil to provide a soil warming effect and placed bout a tree, flower, or shrub.

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Authors

  • Ival O. Salyer

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