Dry powder mixes comprising phase change materials
Patent
·
OSTI ID:5438370
Free flowing, conformable powder-like mix of silica particles and a phase change material (pcm) is disclosed. The silica particles have a critical size of about 7[times]10[sup [minus]3] to about 7[times]10[sup [minus]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 about a tree, flower, or shrub. 10 figures.
- DOE Contract Number:
- FG03-86SF16308
- Assignee:
- Univ. of Dayton, Dayton, OH (United States)
- Patent Number(s):
- A; US 5254380
- Application Number:
- PPN: US 8-048324
- OSTI ID:
- 5438370
- Country of Publication:
- United States
- Language:
- English
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