申请人:Allied-Signal Inc.
公开号:US05254755A1
公开(公告)日:1993-10-19
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 have utility as solvents in a variety of industrial cleaning applications including cold cleaning, dry cleaning, and defluxing of printed circuit boards.
具有以下式子的部分氟化烷类小说:##STR1## 其中每个R相同或不同,且选自CF.sub.3,CHF.sub.2,CH.sub.2 F和CH.sub.3 CF.sub.2的群组,而R'是具有1到6个碳原子的烷基或氟烷基。它们在各种工业清洗应用中具有溶剂的实用性,包括冷清洗、干洗和印刷电路板的去焊剂。