Composition for providing a non-wettable coating, articles coated therewith, and methods for preparing the same
US6506496B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 1995 |
| Grant date | Jan 14, 2003 |
| Priority date | — |
| Expiry date | Mar 29, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31663
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A heat-settable composition for a coating which is hydrophobic, oleophobic and resistant to abrasion, wherein the coating contains a hydrolyzate obtained from a solution of:one or more epoxidized alkoxysilane having alkoxy groups which are directly linked to the silicon atom;a hydrolyzable, non-epoxidized silane;colloidal silica;a catalyst which promotes cleavage of an epoxy bond; andat least one fluorinated hydrolyzable alkylsilane; and the use of the heat-settable composition in the preparation of a coated substrate of organic glass or mineral glass material, coated with a coating obtained from the heat-settable composition, with the substrate preferably being a pane (comprised of glass or a polymeric material) or an ophthalmic lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.