Perfluoropolyether-modified silane, surface treating agent,...

Details Perfluoropolyether-modified silane, surface treating agent,... Perfluoropolyether-modified silane, surface treating agent,...

2007-03-27

2007-03-27

Barts, Samuel A (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

C556S488000

Reexamination Certificate

active

10263781

ABSTRACT:
Novel perfluoropolyether-modified silanes are improved in water/oil repellency, parting properties, chemical resistance, lubricity, durability, antifouling properties and fingerprint wipe-off. An antireflection filter is also provided comprising an inorganic antireflection layer including a surface layer in the form of a silicon dioxide-base inorganic layer, and an antifouling layer, preferably of the perfluoropolyether-modified silane, on the surface layer. The antifouling layer has a sliding angle of oleic acid of up to 5°, a change of the sliding angle after solvent washing relative to the sliding angle before solvent washing being up to 10%.

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