Patent ID: 7758687

Claim:
A coating fluid for forming a film, which comprises a polysiloxane (A) obtained by condensation polymerization of at least one silicon compound of the formula (1) and at least one silicon compound of the formula (4): Si(OR 1 ) 4 (1) (R 2′ )Si(OR 3′ ) 3 (4) wherein R 1 is a C 1-5 hydrocarbon group; R 2′ is a fluorinated C 1-20 organic group; and R 3′ is a C 1-5 hydrocarbon group; and a compound (B) of the formula (2): each of R 2 , R 3 , R 4 and R 5 which are independent of one another, is a hydrogen atom or a C 1-5 organic group, hydroxyethyl or hydroxypropyl.