Fluorinated ether composition, method for its production, coating liquid, substrate having surface-treated layer and method for its production
US10233331B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 24, 2016 |
| Grant date | Mar 19, 2019 |
| Priority date | — |
| Expiry date | Nov 11, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C16/56
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
To provide a fluorinated ether composition useful for surface treatment to impart water/oil repellency to the surface of a substrate, a method for producing the fluorinated ether composition, and a coating liquid containing the fluorinated ether composition, as well as a substrate having a surface-treated layer, and a method for producing the same. Said composition comprises at least two fluorinated ether compounds which are represented by A-O-Q-(CbF2bO)d—X—O—B10 and which are different in B10. X is a divalent organic group having no CF2O. B10 is —CH2CH2CH2SiLmRn, —CH2CH(SiLmRn)CH3, —CH2CH═CH2 or —CH═CHCH3. A is a perfluoroalkyl group or group B10. Of the total of group B10 in said composition, the proportion of —CH2CH2CH2SiLmRn is from 90 to 99 mol %, and the proportion of —CH═CHCH3 is from 1 to 10 mol %. L is a hydrolyzable group, and R is a monovalent hydrocarbon group. b is an integer of from 1 to 10, and d is an integer of from 1 to 200.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.