CPC C09D 171/02 (2013.01) [C03C 17/42 (2013.01); C09D 1/02 (2013.01); C09D 5/002 (2013.01); C03C 2217/228 (2013.01); C03C 2217/76 (2013.01)] | 15 Claims |
1. A water/oil repellent layer-provided substrate comprising a substrate, an undercoat layer and a water/oil repellent layer in this order,
wherein the water/oil repellent layer comprises a condensate of a fluorinated compound having a reactive silyl group,
the undercoat layer comprises an oxide comprising silicon and at least one element selected from the group consisting of boron and phosphorus, and
a ratio of a total molar concentration of boron and phosphorus in the undercoat layer to a molar concentration of silicon in the undercoat layer is from 0.6 to 9.
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