Coarse-particle microcapsule preparation
AssigneeBASF SE
InventorsGabriele Lang-Wittkowski, Ekkehard Jahns, Markus Steffen
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Abstract
The present invention relates to a coarse-particled microcapsule preparation comprising microencapsulated latent heat accumulators and one or more polymeric binders, the ratio of surface area to volume of the particles obeying the following relationship: Surface area 2 Volume 3 ≥ 2.5 , and to processes for its production and its use in heat exchangers and building materials.
Claims20
A coarse-particled microcapsule preparation comprising one or more microencapsulated latent heat accumulator materials and one or more polymeric binders, the ratio of surface area to volume of the particles obeying the following relationship:
- Surface
-
-
- area
- 2
- Volume
- 3
- ≥
- 2.5
- .
The coarse-particled microcapsule preparation according to claim 1, 90% by weight of the particles being greater than 500 μm.
Dependencies are inferred from the claim text.