Preparation of films and coatings of para ordered aromatic heter

Details Preparation of films and coatings of para ordered aromatic heter Preparation of films and coatings of para ordered aromatic heter

1975-12-05

1977-09-27

Lee, Lester L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 47R, 260 78TF, 260 7841, 260 79, 427353, 428426, 428435, 428457, 428458, C08G 7310, C08G 7318, C08G 7322

Patent

active

040511081

ABSTRACT:
Films and coatings are prepared from a dispersion of microscopic sheets of para ordered aromatic heterocyclic polymers by collecting the sheets from the dispersion either by filtration on a porous surface or by drawing a metal surface through the dispersion, and allowing the dispersion medium to evaporate. Upon drying the microscopic sheets coalesce to form the films or coatings. This procedure makes possible the fabrication of high quality, thermally stable films and coatings without the use of high temperature cures or other severe conditions.

REFERENCES:
patent: 3632414 (1972-01-01), Arnold et al.

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