End capped polyalkylene carbonates having improved thermal stabi

Details End capped polyalkylene carbonates having improved thermal stabi End capped polyalkylene carbonates having improved thermal stabi

1977-01-10

1978-01-03

Pertilla, Theodore E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08G 6362

Patent

active

040666301

ABSTRACT:
Polycarbonates, of the type formed by reacting an aliphatic or cycloaliphatic 1,2-monoepoxide with carbon dioxide and having substantially alternating units of epoxide and carbon dioxide, are improved in thermal stability by reacting the free hydroxyl groups thereon with a hydroxyl reactive organic compound.

REFERENCES:
patent: 3026298 (1962-03-01), Lee et al.
patent: 3177179 (1965-04-01), Lee et al.
patent: 3248415 (1966-04-01), Stevens
patent: 3585168 (1971-06-01), Inoue et al.
patent: 3689462 (1972-09-01), Maximovich
patent: 3706713 (1972-12-01), Hull
patent: 3900424 (1975-08-01), Inoue et al.

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