Water/oil repellent composition, method for production thereof, and article
US9115234B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2009 |
| Grant date | Aug 25, 2015 |
| Priority date | — |
| Expiry date | Dec 18, 2030 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06M2200/12
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
To provide a water/oil repellent composition which can give water/oil repellency to a surface of an article and has excellent durability (wash durability and heavy-rain durability), a method for producing such a composition, and an article which has water/oil repellency and is less susceptible to deterioration of water/oil repellency when it is washed or in heavy rain. A water/oil repellent composition which comprises a copolymer having polymerized units derived from monomer (a), polymerized units derived from monomer (b) and polymerized units derived from monomer (c). Here, monomer (a) is a compound represented by the formula: (Z—Y)nX; wherein Z is a C1-6 perfluoroalkyl group or the like; Y is a bivalent organic group or a single bond; n is 1 or 2; and X is a polymerizable unsaturated group; monomer (b) is a (meth)acrylate having no polyfluoroalkyl group and having an C20-30 alkyl group; and monomer (c) is vinylidene chloride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.