Water-and oil-repellent treatment of textile
US6740357B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 24, 2002 |
| Grant date | May 25, 2004 |
| Priority date | — |
| Expiry date | Dec 24, 2022 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06M2200/12
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method of preparing a treated textile, having steps of: (1) preparing a treatment liquid comprising a water- and oil-repellent agent, (2) adjusting pH of the treatment liquid to at most 7, (3) applying the treatment liquid to a textile, (4) treating the textile with steam, and (5) washing the textile with water and dehydrating the textile, wherein the water- and oil-repellent agent contains (A) a fluorine-containing compound which is a fluorine-containing polymer, and (B) a urethane compound and/or (C) a silicon-containing compound, can give a textile which is excellent in water repellency, oil repellency and soil releasability, when the textile is treated with the treatment liquid by an Exhaust process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.