Intimate fiber blend of poly(m-phenylene isophthalamide) and pol

Details Intimate fiber blend of poly(m-phenylene isophthalamide) and pol Intimate fiber blend of poly(m-phenylene isophthalamide) and pol

1974-09-30

1980-04-15

Lieberman, Paul

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

57255, 162142, 428359, 525142, 525143, 525178, 525425, C08L 7700

Patent

active

041984943

ABSTRACT:
This invention relates to fiber blends, yarns and fabrics for use in lightweight garments offering protection against brief exposure to extreme thermal fluxes, the fiber blend comprising a component that fuses within 10 seconds upon exposure to a heat flux of 2 cal./cm..sup.2 /sec. and a component that in fabric form exhibits a flame strength of at least 20 mg. per denier for at least 10 seconds during exposure to a heat flux of 2 cal./cm..sup.2 /sec.

REFERENCES:
patent: 3090103 (1963-05-01), Crawley
patent: 3125404 (1964-03-01), Crawley
patent: 3359717 (1967-12-01), Marzocchi et al.
patent: 3591673 (1971-07-01), Pollack
patent: 3600350 (1971-08-01), Kwolek
patent: 3620003 (1971-11-01), Chopra
patent: 3628995 (1971-12-01), Economy
patent: 3652510 (1972-03-01), Blomberg
patent: 3855047 (1974-12-01), Groff

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