Method of producing glycidyl methacrylate

Details Method of producing glycidyl methacrylate Method of producing glycidyl methacrylate

2007-02-13

2007-02-13

Barts, Samuel A (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C549S515000

Reexamination Certificate

active

11268583

ABSTRACT:
In the production of glycidyl methacrylate from an alkali metal salt of methacrylic acid and epichlorohydrin, at least one water-soluble polymerization inhibitor is added at an appropriate stage of the production. The addition of the water-soluble polymerization inhibitor prevents the formation of insoluble solid matters to increase the efficiency of phase separation in the washing operation for removing a by-produced salt and form a clear interface between the phases, thereby minimizing the recovery loss. In addition, the troubles such as clogging of pipe lines of production apparatus and equipment for waster water treatment can be avoided.

REFERENCES:
patent: 5380884 (1995-01-01), Hosokawa et al.

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