Chlorine-resistant spandex fibers
US4340527A · kind A · utility
16Cited by
11References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 14, 1981 |
| Grant date | Jul 20, 1982 |
| Priority date | — |
| Expiry date | Aug 14, 2001 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01F6/70
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Spandex fiber made from a segmented polyurethane polymer is provided with improved resistance to chlorine-induced degradation, by the inclusion of finely divided zinc oxide particles having a purity of at least 99.4% dispersed in the fiber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.