Process for inhibiting polymerization of styrene during distilla

Details Process for inhibiting polymerization of styrene during distilla Process for inhibiting polymerization of styrene during distilla

1975-12-15

1977-07-05

Bascomb, Jr., Wilbur L.

Distillation: processes, separatory

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

For inhibiting or preventing a polymerization reaction

203 29, 203 34, 203 35, 203 37, 203 43, 203 65, 203 69, B01D 332, C07C 1510

Patent

active

040338290

ABSTRACT:
Styrene is inhibited against polymerization during the distillation thereof by incorporating therein, in an amount sufficient to inhibit polymerization thereof, the dinitrophenol solution recovered from styrene still residues or tars resulting from the distillation of styrene in the presence of dinitrophenol. The recovered dinitrophenol solution is a more effective polymerization inhibitor than dinitrophenol per se.

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patent: 3763015 (1973-10-01), Mormoto et al.
patent: 3904484 (1975-09-01), King

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