Ozone resistant, cationic dyeable nylon containing lithium, magnesium or calcium salts of sulfonated polystyrene copolymers
US4097546A · kind A · utility
21Cited by
7References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 30, 1976 |
| Grant date | Jun 27, 1978 |
| Priority date | — |
| Expiry date | Mar 30, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L77/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention discloses the improved method of making nylon cationic dyeable whereby the soluble lithium, magnesium or calcium salt of a sulfonated polystyrene copolymer is added, to provide improved lighfastness and ozone resistance over conventional cationic dyeable nylon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.