Method for the disproportionation of highly alkylated phenols wi

Details Method for the disproportionation of highly alkylated phenols wi Method for the disproportionation of highly alkylated phenols wi

1977-01-24

1978-08-29

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252458, 568804, 568805, B01J 2900

Patent

active

041102533

ABSTRACT:
This invention provides an improved process for the disproportionation of highly alkylated phenols with phenol using an improved magnesium oxide catalyst promoted with tungsten oxide, silica sol, and sodium silicate. The method provides a catalyst having a high reactivity, high surface area, and high crush strength compared to known magnesium oxide, tungsten oxide catalysts. The catalyst is useful in phenol methylation and disproportionation. The effect of silica sol and sodium silicate is synergistic since these materials alone will not catalyze these reactions. Surprisingly, the catalyst will not disproportionate olefins.

REFERENCES:
patent: 2063302 (1936-12-01), Eversole
patent: 3491163 (1970-01-01), Kenton et al.
patent: 3928238 (1975-12-01), Koberstein et al.

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