| abstract |
The present invention provides the following formulae (A1), (A2), (B1), (B2), (C1) and The compound represented by (C2). Formula (A1), Formula (A2), (Rf-PFPE) β -X 5 -(SiR 1 n R 2 3-n ) β ...(B1), (R 2 3-n R 1 n Si) β -X 5 -PFPE-X 5- (SiR 1 n R 2 3-n ) β …(B2), (Rf-PFPE) γ -X 7- (SiR a k R b l R c m ) γ …(C1) and (R c m R b l R a k Si) γ -X 7 PFPE-X 7 -(SiR a k R b l R c m ) γ ...(C2), in the formula, the meaning of each symbol is the same as that described in the specification same. |