C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 5/10 (2006.01)
Patent
CA 2504912
Heat transfer fluids which can be used over a broad range of temperatures such as from 175 ~C to -145 ~C are disclosed. The heat transfer fluids consist essentially of a mixture of at least two structurally non-identical cycloalkane-alkyl or -polyalkyl compounds, or a mixture of at least two structurally non-identical aliphatic hydrocarbons, or a mixture of a cycloalkane-alkyl or -polyalkyl compound and an aliphatic hydrocarbon. The individual components are present at levels such as to confer to the fluid composition a cloud point below -100 ~C, a vapor pressure at +175 ~C below 1300 kPa, and a viscosity, measured at the cloud point temperature +10 ~C, below 400 cP.
L'invention concerne des fluides caloporteurs qui peuvent être utilisés dans une large plage de températures, telle que de 175 ·C à -145 ·C. Ces fluides caloporteurs consistent essentiellement en un mélange d'au moins deux composés de cycloalcane-alkyle ou polyalkyle structurellement non identiques, ou un mélange d'au moins deux hydrocarbures aliphatiques structurellement non identiques, ou un mélange d'un composé cycloalcane-alkyle ou polyalkyle et d'un hydrocarbure aliphatique. Les composantes individuelles sont présentes dans des proportions telles qu'elles confèrent à la composition fluide un point de trouble inférieure à -100 ·C, une tension de vapeur à +175 ·C inférieure à 1300 kPa, et une viscosité mesurée à la température de point de trouble +10 ·C inférieure à 400 cP.
Davidson David Lee
Notte Patrick Pierre
Tria John Joseph
Mcfadden Fincham
N.v. Solutia Europe S.a.
Solutia Inc.
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