Separation of vinyl acetate from methyl acrylate by extractive d

Details Separation of vinyl acetate from methyl acrylate by extractive d Separation of vinyl acetate from methyl acrylate by extractive d

1993-04-02

1993-08-31

Bascomb, Jr., Wilbur

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 58, 203 60, 203 63, 203 64, 203 65, 203DIG10, 203DIG21, 560218, 560248, B01D 340, C07C 6754

Patent

active

052405672

ABSTRACT:
The separation of vinyl acetate from methyl acrylate by distillation is difficult because of the closeness of their boiling points. Vinyl acetate can be readily removed from methyl acrylate by extractive distillation. Typical effective agents are phenol, methoxyethanol and isobutyl vinyl ether.

REFERENCES:
patent: 2171795 (1939-09-01), Kautter
patent: 3691021 (1972-09-01), Feldman et al.
patent: 3736236 (1973-05-01), Di Fiore et al.
patent: 4897161 (1990-01-01), Berg et al.
patent: 4925533 (1990-05-01), Berg

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