Formation of polyparabanic acid coatings and films by solvent tr

Details Formation of polyparabanic acid coatings and films by solvent tr Formation of polyparabanic acid coatings and films by solvent tr

1973-09-17

1976-02-03

Martin, William D.

Stock material or miscellaneous articles

Composite

Of metal

264 83, 264343, 427335, 427195, 427375, 428474, 428411, 260 775R, B05D 302, B05D 304

Patent

active

039365840

ABSTRACT:
This invention relates to processes and techniques for forming either coatings or self-supporting films from polymeric powders which melt at high temperatures (>150.degree. C.) and cannot be made to fuse with the application of high temperatures. In particular, polyparabanic acid films and coatings are prepared from polyparabanic acid powders, utilizing vapors and mists of certain aprotic dipolar solvents.

REFERENCES:
patent: 3532530 (1970-10-01), Denison et al.
patent: 3547897 (1970-12-01), Patton
patent: 3557691 (1971-01-01), Bayer
patent: 3565665 (1971-02-01), Stranch et al.
patent: 3635905 (1972-01-01), Patton
patent: 3661859 (1972-05-01), Patton
patent: 3676171 (1972-07-01), Spiller et al.
patent: 3676172 (1972-07-01), Van Dyk et al.
patent: 3684773 (1972-08-01), Patton

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