Process for preparing heat treated solution cast polyketone-base

Details Process for preparing heat treated solution cast polyketone-base Process for preparing heat treated solution cast polyketone-base

1987-12-04

1990-01-23

Lorin, Hubert C.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

By casting liquids on a solid supporting or shaping surface

264204, 264234, 264237, 264319, 26433115, 26433117, 264345, 264348, B29C 3900, B29C 7102

Patent

active

048956899

ABSTRACT:
A process for preparing a polymer material having improved oxygen and carbon dioxide barrier properties wherein a heated solution cast film, of a linear alternating polymer of carbon dioxide and at least one ethylenically unsaturated hydrocarbon, is cooled at a selected rate.

REFERENCES:
patent: 2495285 (1950-01-01), Hoehn
patent: 3689460 (1972-09-01), Nozaki
patent: 3694412 (1972-09-01), Nozaki
patent: 3876738 (1975-04-01), Marinaccio et al.
patent: 3914391 (1975-10-01), Nozaki
patent: 4247498 (1981-01-01), Castro
"Novel Palladium(II)-Catalyzed Copolymerization of Carbon Monoxide with Olefins", Sen & Li, J. Am. Chem. Soc., 1982, 104, 3520-3522.

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