Refining of tertiary butylstyrene

Details Refining of tertiary butylstyrene Refining of tertiary butylstyrene

1984-08-31

1985-04-30

Bascomb, Wilbur

Distillation: processes, separatory

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

For inhibiting or preventing a polymerization reaction

203 58, 203 91, 585806, 585807, 585857, B01D 340, C07C 708

Patent

active

045142610

ABSTRACT:
Isopropenylstyrene, present in t-butylstyrene in small quantities as an impurity, is removed by extractive distillation using sulfolane as solvent.

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patent: 4291183 (1981-09-01), Crum et al.
patent: 4376678 (1983-03-01), Partos
patent: 4457806 (1984-07-01), Grivas et al.
Hydrocarbon Processing, "A Better Way to Extract Aromatics", vol. 38, No. 9, Sep. 1959, pp. 185-192.

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