Flame resistant fiber blends
US4014829A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 1974 |
| Grant date | Mar 29, 1977 |
| Priority date | — |
| Expiry date | Oct 30, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S260/24
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A flame-resistant blend of textile fibers comprising (a) from about 20 to 40% by weight of a normally flammable textile fiber aesthetically suitable for wearing apparel and (b) from about 60 to 80% by weight of poly-(metaphenylene isophthalamide) fiber containing distributed substantially throughout its whole interior a finely divided cross-linked reaction product of at least 5% by weight (unreacted basis) of a tetrakis hydroxymethyl phosphonium compound and a resin containing active hydrogen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.