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US5132446A Fluorine-containing phosphate ester, its preparation and its use for preventing rust 失效
含氟磷酸盐酯,其制备及其用于防止硫酸盐

Fluorine-containing phosphate ester, its preparation and its use for
preventing rust
摘要:
A fluorine-containing phosphate ester of the formula: ##STR1## wherein R.sub.f is a group containing a perfluoroalkyl polyether group of the formula:F(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.m CF.sub.2 CF.sub.2 --wherein m is 2 to 200, and n is an integer of 1 to 3 is used as a rust preventive which can be homogeneously mixed with a fluorine-containing grease.
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