US 12,331,241 B2
Heat transfer mixtures
Francesco Micali, Lecce (IT); Arturo De Risi, Lecce (IT); and Piero Negro, Torchiarolo (IT)
Assigned to HT Materials Science (IP) Limited, Dublin (IE)
Filed by HT MATERIALS SCIENCE (IP) LIMITED, Dublin (IR)
Filed on Mar. 8, 2022, as Appl. No. 17/689,101.
Prior Publication US 2023/0287254 A1, Sep. 14, 2023
Int. Cl. C09K 5/20 (2006.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01); C09K 5/10 (2006.01); C09K 5/14 (2006.01)
CPC C09K 5/20 (2013.01) [C09K 5/10 (2013.01); C09K 5/14 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A heat transfer mixture comprising:
a base fluid;
a dispersant;
a stabilizing agent comprising polyglycol ether and a rheology viscosifier, the rheology viscosifier comprising polysaccharide phospholipids;
aluminum oxide nanoparticles having an average particle size between 200 nanometers and 600 nanometers; and
exfoliated graphite nanoplatelets,
wherein the heat transfer mixture has a pH greater than 9.0.