Preparation of articles of manufacture from isotropic and anisot

Details Preparation of articles of manufacture from isotropic and anisot Preparation of articles of manufacture from isotropic and anisot

1990-05-30

1992-01-28

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524606, C08K 545, C08K 541

Patent

active

050844970

ABSTRACT:
A process for preparing shaped articles of manufacture such as fibers, films and coatings from aromatic polyamide anions in liquid sulfoxides; anisotropic solutions of aromatic polyamide anions useful for the preparation of shaped articles having anistropic properties; isotropic solutions comprising the potassium salt of the polyamide anion; and methods for regulating solution viscosity by control of the degree to which the aromatic polyamide anions are deprotonated.

REFERENCES:
patent: 4785038 (1988-11-01), Sweeny
patent: 4824881 (1989-04-01), Kim
Flood et al., J. Appl. Polym. Sci., 27, 2965 (1982).
Aoki et al., Polymer Engineering and Science, 20, 221 (1980).
Takayanagi et al., Journal of Polymer Science, Polymer Chemistry Edition, 19, 1133 to 1145 (1981).
Takayanagi et al., Journal of Polymer Science, Polymer Chemistry Edition, vol. 21, 31 to 39 (1983).
Bodaghi et al., Polymer Engineering and Science, 24, 242 to 251 (1984).

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