Polyalkylene carbonates as processing aids for polyvinyl chlorid

Details Polyalkylene carbonates as processing aids for polyvinyl chlorid Polyalkylene carbonates as processing aids for polyvinyl chlorid

1978-04-19

1979-01-30

De Benedictis, Sr., Thomas

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

528370, 528405, C08L 6900

Patent

active

041372808

ABSTRACT:
This invention relates to a polyvinyl chloride composition having blended therein from about 5-60% of a polyalkylene carbonate formed by reacting an alkylene oxide and carbon dioxide. The polyalkylene carbonate is added to improve the melt flow indices and oxygen barrier characteristics of the polyvinyl chloride.

REFERENCES:
patent: 3305605 (1967-02-01), Hostettler et al.
patent: 3585168 (1971-06-01), Inoue et al.
patent: 3629170 (1971-12-01), Yamanouchi et al.
patent: 3900424 (1975-08-01), Inoue et al.
patent: 3953383 (1976-04-01), Inoue et al.
patent: 4066630 (1978-01-01), Dixon et al.

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