Thermal styrene formation in the presence of O.sub.2

Details Thermal styrene formation in the presence of O.sub.2 Thermal styrene formation in the presence of O.sub.2

1984-02-01

1985-10-01

Gantz, D. E.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

Having alkenyl moiety, e.g., styrene, etc.

585435, 585440, C07C 1502

Patent

active

045447829

ABSTRACT:
Single-stage thermolysis of C.sub.8 and C.sub.9 aromatics at temperatures in excess of 900.degree. C. and pressures of less than 0.2 torr or in the presence of steam in excess of 800.degree. C., in the absence of catalysts yields styrene and/or p-methylstyrene in high yields, providing a process for the conversion of xylenes and p-ethyltoluene to preferred styrene monomers.

REFERENCES:
patent: 1552875 (1925-09-01), Ostromislensky et al.
patent: 2110829 (1938-03-01), Dreisbach
patent: 2110830 (1938-03-01), Dreisbach
patent: 3396206 (1968-08-01), Scott
patent: 3579521 (1971-05-01), Franz
patent: 3830853 (1974-08-01), Khcheian et al.
patent: 3925496 (1975-12-01), Shalit et al.

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