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发明授权
US08039132B2 Perfluoropolyether compound, and lubricant and magnetic disk each using the same 有权
全氟聚醚化合物，润滑剂和磁盘各自使用

Perfluoropolyether compound, and lubricant and magnetic disk each using the same
摘要：
A compound of the formula (I), and lubricant, and magnetic disk each using the same A-(CH2—Rf—CH2O—B—O)n—CH2—Rf—CH2-A  (I) wherein n is an integer of 1 to 4, A is a group of the formula (a) below, and B is a group of the formula (b) below, p being 1 or 2, R being C1-4 fluoroalkyl, Rf is —CF2O(CF2CF2O)x(CF2O)yCF2— or —CF2CF2O(CF2CF2CF2O)zCF2CF2—, x, y and z being each a real number of 0 to 50.
摘要（中）：

各式（I）化合物和润滑剂以及各自使用相同的A-（CH2-Rf-CH2O-B-O）n-CH2-Rf-CH2-A（Ⅰ）的磁盘，其中n为 1〜4中，A为下述通式（a）的基团，B为下述通式（b）的基团，p为1或2，R为C1-4氟烷基，Rf为-CF2O（CF2CF2O）x （CF 2 O）y CF 2 - 或-CF 2 CF 2 O（CF 2 CF 2 CF 2 O）z CF 2 CF 2 - ，x，y和z各自为0至50的实数。

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