Flame resistant staple fiber blend

Details Flame resistant staple fiber blend Flame resistant staple fiber blend

1989-02-23

1991-01-29

Jacobs, Lewis T.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

525432, C08J 500, C08L 7700

Patent

active

049887467

ABSTRACT:
A flame resistant staple fiber blend, useful for flame-resistant clothing, comprising 80 to 97 weight parts of m-aramide polymer staple fibers (A) with a small thermal shrinkage stress of 130 mg/d or less at 350.degree. C., 3 to 20 weight parts of p-aramide copolymer staple fibers (B) with a higher flame resistance than that of the m-aramide fiber (A), and optionally, 240 weight parts or less of non-fusible staple fibers (C) with a lower thermal shrinkage stress than that of the staple fiber (A).

REFERENCES:
patent: 4120914 (1978-10-01), Behnke et al.
patent: 4278779 (1981-07-01), Nakagawa et al.

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