| 摘要 |
A composition for forming an antifouling film or an optical component having such an antifouling film, for example, an anti-reflection filter, contains an alkoxysilane compound having a perfluoropolyether group indicated by the following general formula (1): Rf(COR1-R2-Si(OR3)3}j (1) where, in the formula, Rf indicates a perfluoropolyether group, R1 indicates a bivalent atom or group, R2 indicates an alkylene group, R3 indicates an alkyl group, and j is 1 or 2.
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