Polymerization inhibitor for vinyl aromatic compounds

Details Polymerization inhibitor for vinyl aromatic compounds Polymerization inhibitor for vinyl aromatic compounds

1977-02-24

1978-08-08

Bascomb, Jr., Wilbur L.

Distillation: processes, separatory

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

For inhibiting or preventing a polymerization reaction

203 65, 2606665, B01D 334, C07C 1510

Patent

active

041055063

ABSTRACT:
Disclosed is a process for the distillation of readily polymerizable vinyl aromatic compounds and a new polymerization inhibitor therefor. The process comprises subjecting a vinyl aromatic compound to elevated temperatures in a distillation system in the presence of a new polymerization inhibitor comprising 2,6-dinitro-p-cresol.

REFERENCES:
patent: 2225471 (1940-12-01), Foord
patent: 2556030 (1951-06-01), Caulter et al.
patent: 3988212 (1976-10-01), Watson
Foord, J. Chem. Soc., pp. 48-56 (1940).
Bundy et al.: Styrene, its Polymers, Copolymers and Derivatives, (1952), pp. 1236, 1237, 1238.

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