Manufacture of trimethylolpropane

Details Manufacture of trimethylolpropane Manufacture of trimethylolpropane

1996-08-02

1998-06-09

Cook, Rebecca

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568863, 568881, C07C 2914

Patent

active

057636907

ABSTRACT:
Trimethylolpropane of high purity is efficiently made by mixing the aldol reaction product of formaldehyde and n-butyraldehyde with at least about 20 wt % of a lower alcohol prior to hydrogenation. The alcohol addition also promotes hydrogenolysis of by-product esters at pressures below 3000 psig and allows recovery of high purity product by simple distillation.

REFERENCES:
patent: 4122290 (1978-10-01), Immel et al.
patent: 4855515 (1989-08-01), Morris et al.

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