Method of purifying readily polymerizable vinyl monomers

Details Method of purifying readily polymerizable vinyl monomers Method of purifying readily polymerizable vinyl monomers

1979-12-17

1981-04-14

Sever, Frank

Distillation: processes, separatory

Addition of material to distilland to inhibit or prevent...

For inhibiting or preventing a polymerization reaction

203 88, 203 94, 203 98, 560 4, 560218, 562600, C07C 6954

Patent

active

042617987

ABSTRACT:
The present invention relates to a method of purifying readily polymerizable high boiling vinyl monomers, in particular the acrylates and methacrylates of alkylene oxides and their ether and ester derivatives to obtain pure water white esters. The process involves flash evaporation of the preheated esters followed by condensation in the presence of polymerization inhibitors under specific conditions. The purified esters thus produced find use either as such or in the form of their copolymers in coatings, enamel paints, weather resistant finishes, adhesive compositions, as plasticizers, as lubricants for cellulose films and fibers, in magnetic tape recording media and as oil additives.

REFERENCES:
patent: 3162677 (1964-12-01), Horsley et al.
patent: 4053504 (1977-10-01), Rosenkranz et al.

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