| 摘要 |
CANADA "FUNCTIONAL FLUIDS " A functional fluid having particular application as hydraulic fluid, refrigerant oil, electrical oil or heat transfer fluid comprises a major amount of a hydrocarbon oil and a minor amount of an oxysilane compound having the general formula: wherein:-Rl is alkyl, alkenyl, aryl, alkaryl, aralkyl oralicyclic; R2 and R3 are each independently a group as defined for Rl or a group of the formula - (oR5) - oR6; R4 is a group cf the formula - (OR )n - OR or a group of the formula: R5 is alkylene; R6 is alkyl, alkenyl, aryl, alkaryl,aralkyl or alicyclic; n is zero or an integer; and R7 is a direct linkage or a group of the -( oR5 )n o - , provided that when R7 is a direct linkage at least one group R2 or R3 is a group of the formula -( OR5 )-n OR6. |
