Synthetic resin ophthalmic lens having an inorganic coating

Details Synthetic resin ophthalmic lens having an inorganic coating Synthetic resin ophthalmic lens having an inorganic coating

1994-01-18

1997-04-22

Hulina, Amy

Stock material or miscellaneous articles

Composite

Of silicon containing

428689, 427164, 351 44, 351 62, 351166, B32B 904, G02C 710, G02C 1108

Patent

active

056227841

ABSTRACT:
An inorganic coating film having improved water repellency is provided. The improved surface is provided by treating an inorganic coating film with a material that is reached or adsorbed on the surface of the inorganic coat to increase water repellency. The inorganic coating to be treated may be a silicon dioxide film. The materials used to treat the film include: (1) halogenated silane compounds; (2) silane compounds having a structure including at least one bond selected from Si--H, Si--OH, Si--OR, Si--SH and Si--SR, wherein R is an organic group; (3) silane compounds having a structure including at least one of ##STR1## wherein R1, R2 and R3 are hydrogen or an organic group and (4) reactive organic compounds having a fluorine substituting group, hydrogen fluoride or a metal fluoride.

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