Novel partially fluorinated alkanes having the Formula: ##STR1## wherein each R is the same or different and is selected from the group consisting of CF.sub.3, CHF.sub.2, CH.sub.2 F, and CH.sub.3 CF.sub.2, and R' is an alkyl or fluoroalkyl group having 1 to 6 carbon atoms with the proviso that when each R is CF.sub.3, R' is not CF.sub.3 (CF.sub.2).sub.2 --, CF.sub.3 CF.sub.2 --, or CF.sub.3 have utility as solvents in a variety of industrial cleaning applications including cold cleaning, dry cleaning, and defluxing of printed circuit boards.
                            部分
氟代烷类小说具有以下
化学式:##STR1##其中每个R相同或不同,选择自CF.sub.3,CHF.sub.2,CH.sub.2F和CH.sub.3CF.sub.2的群组,并且R'是具有1至6个碳原子的烷基或
氟代烷基,但当每个R为CF.sub.3时,R'不是CF.sub.3(CF.sub.2).sub.2-,CF.sub.3CF.sub.2-或CF.sub.3。在各种工业清洗应用中,包括冷清洗,干洗和打通印刷电路板中,具有溶剂的效用。