Water-repellent composition
US11982048B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 25, 2021 |
| Grant date | May 14, 2024 |
| Priority date | — |
| Expiry date | Nov 22, 2042 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06M2200/12
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A water repellent composition containing: (A) water repellent particles in which the number of surface alkyl groups on the water repellent particles is 600×1018-50,000×1018 per 1 g of water repellent particles; (B) a water-repellent resin which is a polymer having a long-chain C7-40 hydrocarbon group; and (C) a liquid medium. The water-repellent particles preferably have an average primary particle size of 1-100 nm. Also disclosed is a method for treating a fiber using the water repellent composition, a method for producing a treated textile product, a film formed from the water repellent composition, and a textile product treated with a treatment liquid containing the water-repellent composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.