| abstract |
[PROBLEMS] To provide a water repellent material having friction resistance and wear resistance, being hard to be scratched, having high antifouling property and capable of forming a long-life water repellent film, a method for producing an optical member using the water repellent film, optical A member and a plastic lens for spectacles are provided. The present invention relates to a perfluoropolyether-polysiloxane copolymer-modified silane having a specific structure, (a) a specific fluorine-substituted alkyl group-containing organosilicon compound, (b) a specific silane compound, (c) A water repellent material comprising an amino-modified polysiloxane having hydrolyzable groups at both ends, and (d) at least one selected from epoxy group-containing silane or polysiloxane that reacts with an amino group, and an optical member using this water repellent material An optical member manufacturing method for forming a water repellent film thereon, an optical member having a water repellent film formed on the optical member using this water repellent material, and a plastic lens for spectacles. [Selection figure] None |