US 11,753,570 B2
Heat transfer mixture
Arturo De Risi, Lecce (IT); Francesco Micali, Lecce (IT); and Marco Milanese, Arnesano (IT)
Assigned to HT MATERIALS SCIENCE (IP) LIMITED, Dublin (IE)
Filed by HT MATERIALS SCIENCE (IP) LIMITED
Filed on Jun. 18, 2020, as Appl. No. 16/905,471.
Application 16/905,471 is a continuation of application No. 16/577,306, filed on Sep. 20, 2019, granted, now 10,723,928.
Prior Publication US 2021/0087449 A1, Mar. 25, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. C09K 5/10 (2006.01); C09K 5/14 (2006.01); B82Y 30/00 (2011.01)
CPC C09K 5/10 (2013.01) [C09K 5/14 (2013.01); B82Y 30/00 (2013.01)] 16 Claims
 
11. A nanofluid represented by the formula:
1=Mg/Mnf+Mw/Mnf+Mpw/Mnf+Msf/Mnf+Mbs/Mnf+Mac/Mnf+Mci/Mnf,
wherein Mnf is a mass of the nanofluid,
wherein Mg is a mass of glycol, wherein 20%<Mg/Mnf<40%,
wherein Mw is a mass of water, wherein 20%<Mw/Mnf<37%,
wherein Mpw is a mass of a nanopowder, wherein 30%<Mpw/Mnf<50%,
wherein Msf is a mass of a surfactant, wherein 0.25%<Msf/Mnf<0.65%,
wherein Mbs is a mass of a base additive, wherein 0.2%<Mbs/Mnf<0.8%,
wherein Mac is a mass of an acid additive,
wherein Mci is a mass of a corrosive inhibitor,
wherein the nanopowder consists of aluminum oxide,
wherein the surfactant is a sodium salt solution of polyamino-polyether-methylene-phosphonic acid, and
wherein the nanopowder has a particle size between 200 nanometers and 500 nanometers.