Method for producing polyamide fibers with reduced flammability
US5238982A · kind A · utility
4Cited by
10References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 1992 |
| Grant date | Aug 24, 1993 |
| Priority date | — |
| Expiry date | Sep 24, 2012 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01F1/07
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Disclosed is a method for producing polyamide fibers with reduced flammability by melt mixing a polyamide with a phosphate ester of the general formula: ##STR1## wherein n is a number of from 1 to 10; PA1 m is a number of from 0 to 3; PA1 x is a number of from 0 to 3; PA1 R is linear or branched C.sub.1 - to C.sub.18 - alkyl radical; at a temperature of from about 180.degree. to about 280.degree. C., and melt spinning fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.