Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1977-06-17
1979-07-24
Bleutge, John C.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
260 457P, 525429, C08L 6110, C08L 6128, C08L 7710, D01F 1108
Patent
active
041622758
ABSTRACT:
A fiber comprising poly(metaphenylene isophthalamide) containing distributed substantially throughout its whole interior finely divided cross-linked, phosphorus-containing resin deposits in an amount sufficient to provide at least 0.4% by weight of phosphorus, based on total weight of fiber. Fabrics of the fiber, as well as the fiber itself, have good flame resistance properties.
REFERENCES:
patent: 2772188 (1956-11-01), Reeves
patent: 3681124 (1972-06-01), Sello et al.
Bleutge John C.
E. I. Du Pont de Nemours and Company
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