Process for photochemical stabilization of undyed and dyed polyamide fibre material and blends thereof with other fibres: copper complex and light stabilizer treatment
US4775386A · kind A · utility
70Cited by
8References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 27, 1987 |
| Grant date | Oct 4, 1988 |
| Priority date | — |
| Expiry date | Apr 27, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/924
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process for the photochemical stabilization of undyed and dyed polyamide fibre material or blends thereof with other fibre materials, which comprises treating the fibre material with a mixture of (A) an organic copper complex, (B) a light stabilizer and, if desired, (C) an antioxidant, an agent for carrying out the process and the fibre material treated with the agent are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.