Solution processing of rigid chain and ladder polymers

Details Solution processing of rigid chain and ladder polymers Solution processing of rigid chain and ladder polymers

1988-12-29

1990-07-31

Nielsen, Earl

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

Synthetic resins

Treating polymer containing material or treating a solid...

26421116, 26421119, 264216, 264340, 528342, 528350, 528490, 524600, C08J 302, C08G 7318, C08G 7322

Patent

active

049451561

ABSTRACT:
Methods of solution processing of rigid chain and ladder polymers to films, coatings, or fibers from isotropic or anisotropic solutions in aprotic organic solvents containing Lewis acids are disclosed.

REFERENCES:
patent: 3574171 (1971-04-01), Chenevey et al.
patent: 3600350 (1971-08-01), Kwolek et al.
patent: 3701764 (1972-10-01), Hargitay
patent: 3819587 (1974-06-01), Kwolek et al.
patent: 4548737 (1985-10-01), Ballard et al.
patent: 4548738 (1985-10-01), Jenekhe et al.
patent: 4568482 (1986-02-01), Jenekhe et al.
Journal of Applied Polymer Science, vol. 15, pp. 2035-2047, Arnold, et al., "Unusual Film-Forming Properties of Aromatic Heterocyclic Ladder Polymers", 1971.
Accounts of Chemical Research 19, "Conducting Polymer Solutions", Jane E. Frommer, pp. 2-9, 1986.
Journal of Polymer Science: Polymer Physics Edition, vol. 14, "The Viscosity of Concentrated Solutions of a Heterocyclic Polymer", p. 1717, 1976.

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