PERFLUOROPOLYETHER COMPOUND AND LUBRICANT AND MAGNETIC DISK EACH CONTAINING OR EMPLOYING THE SAME

摘要

A compound represented by the formula (I): A-CH<SUB>2</SUB>CF<SUB>2</SUB>O(CF<SUB>2</SUB>CF<SUB>2</SUB>O)<SUB>m</SUB>-(CF<SUB>2</SUB>O)<SUB>n</SUB>-CF<SUB>2</SUB>CH<SUB>2</SUB>-B (I) (wherein A is a group represented by the following formula (a); B is a group represented by the following formula (b); R is C<SUB>2-5</SUB> fluoroalkyl; m is 0 or a real number of 1-40; n is 0 or a real number of 1-40; and p is a real number of 1-3).