Synthesis of polyol bis(allyl carbonate) utilizing reagent recov

Details Synthesis of polyol bis(allyl carbonate) utilizing reagent recov Synthesis of polyol bis(allyl carbonate) utilizing reagent recov

1980-01-10

1981-10-06

Daus, Donald G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

203 37, 203 39, 203 53, 203 96, 203DIG8, C07C 6996

Patent

active

042935032

ABSTRACT:
Disclosed is an improved method of forming polyol (allyl carbonate) monomers. In the disclosed method, the organic by-products as diallyl carbonate and unreacted reagents as allyl alcohol are separated from the brine and wash water derived aqueous phase and returned to the allyl carbonate synthesis reaction. The aqueous phase is further separated to recover allyl alcohol therefrom, which is returned to the allyl carbonate synthesis reactor as an azeotrope.

REFERENCES:
patent: 2370571 (1945-02-01), Muskat et al.
patent: 3936489 (1976-02-01), Rozsa et al.
patent: 4144262 (1979-05-01), Stevens

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