Single phase liquid mixture of tricyclic isochroman derivative mixture and acetyl tetrahydronaphthalene derivative mixture

Claim 1

A liquid single phase eutectic mixture containing from 10% up to 75% by weight of an acetyl tetrahydronaphthalene derivative mixture and from 25% up to 90% by weight of an isochroman derivative mixture at a temperature greater than about 0° C. wherein said acetyl tetrahydronaphthalene derivative mixture contains about 95% by weight of the compound having the structure: ##STR43## about 4% by weight of the compound having the structure: ##STR44## and about 1% of the compound having the structure: ##STR45## and wherein the isochroman derivative mixture contains from about 70% up to about 80% by weight of the compound having the structure: ##STR46## from about 6% up to about 8% of the compound having the structure: ##STR47## and the compound having the structure: ##STR48## from about 2% up to about 4% of the compound having the structure: ##STR49## and from about 2% up to about 4% of the compound having the structure: ##STR50## wherein the viscosity of said composition is defined according to the equations: ##EQU2## wherein μ M represents viscosity in centipoises of the mixture; X G represents the weight fraction of the said acetyl tetrahydronaphthalene derivative mixture; X a represents the weight fraction of said tricyclic isochroman derivative mixture; T represents the temperature of the mixture in degrees Celsius; A represents a number of from -1.26 up to -1.6; B represents a number of from 413.58 up to 430.46; C represents a number of from 15.62 up to 21.95; A' represents a number of from -0.437 up to -0.417; B' represents a number of from 236.25 up to 279.65; and C' represents a number of from 9.95 up to 10.47.