Process for preparing melt processed polyketone-based barrier po

Details Process for preparing melt processed polyketone-based barrier po Process for preparing melt processed polyketone-based barrier po

1987-12-04

1990-01-09

Lorin, Hubert C.

Plastic and nonmetallic article shaping or treating: processes

Disparate treatment of article subsequent to working,...

Effecting temperature change

264235, 264237, 26433115, 264345, 264346, 264348, B29C 7102

Patent

active

048926973

ABSTRACT:
A process for preparing a melt processed polymer material having improved oxygen, water or carbon dioxide barrier properties wherein a quantity of a linear alternating polymer of carbon monoxide and at least one ethlenically unsaturated hydrocarbon is melt processed to form a film, heated to a temperature ranging from about 2.degree. C. to about 40.degree. C. above the melting point of the polymer, and cooling the heated melt processed film at a moderate rate between about 6.degree. C. and about 10.degree. C. per minute.

REFERENCES:
patent: 2495285 (1950-01-01), Hoehn
patent: 3637592 (1972-01-01), Ben et al.
patent: 3689460 (1972-09-01), Nozaki
patent: 3694412 (1972-09-01), Nozaki
patent: 3914391 (1975-10-01), Nozaki
patent: 4287149 (1981-09-01), Capaccio et al.
"Novel Palladium (II)-Catalyzed Copolymerization of Carbon Monoxide With Monoxide With Olefins", Sen & Li, J. Am. Chem. Soc. 1982, 104, 3520-3522.

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