Textiles with chitosan core-shell particles
US8226962B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2005 |
| Grant date | Jul 24, 2012 |
| Priority date | — |
| Expiry date | May 6, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2566
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention describes a novel antibacterial treatment on textile materials using polymeric core-shell particles dispersing in water. These particles are prepared from a surfactant-free emulsion polymerization according to the method of U.S. Pat. No. 6,573,313 and have average particle sizes in the range of 100 to 1000 nm in diameter. When applied to a textile article, the particles form a uniform coating, which prevents the growth of bacteria and microbes. The treatment does not affect the fabric mechanical properties, hand feeling and appearance. Antibacterial activity on cotton is maintained even after 50 times of home laundering.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.