Preparation of fiber-forming meta-aramids

Details Preparation of fiber-forming meta-aramids Preparation of fiber-forming meta-aramids

1993-04-28

1995-07-11

Michl, Paul R.

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

Synthetic resins

From carboxylic acid or derivative thereof

528344, 528348, 524606, 524607, 524726, C08G 6928, C08G 6926

Patent

active

054322553

ABSTRACT:
A process is described for preparing directly spinnable polymer solutions containing as fiber-forming substance polymers containing at least 95 mol %, based on the polymer, of the recurring structural unit of the formula I

REFERENCES:
patent: 3006899 (1961-10-01), Hill et al.
patent: 3354127 (1967-11-01), Hill et al.
patent: 3414645 (1968-12-01), Morgan
patent: 3991037 (1976-11-01), Eckardt
patent: 4389521 (1983-06-01), Shimada et al.
patent: 5124436 (1992-06-01), Keil et al.

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