Alkoxylation process catalyzed by phosphate salts of the rare ea

Details Alkoxylation process catalyzed by phosphate salts of the rare ea Alkoxylation process catalyzed by phosphate salts of the rare ea

1990-02-20

1991-10-15

Mars, Howard T.

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

Organic compounds

Oxygen containing

568608, 568620, 568 45, 568 55, 568678, 568679, 2604106, 560 93, 560201, 560200, 560105, 560112, 560240, 564399, 564475, 564505, 530217, 530230, 530232, C07C 4103

Patent

active

050576275

ABSTRACT:
Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more vicinal alkylene oxides with an active hydrogen containing reactant comprising one or more compounds having active hydrogen atoms in the presence of a catalytically effective amount of one or more of the phosphate salts of the rare earth elements. The product alkoxylates are known to be useful, for instance, as nonionic surfactants, wetting and emulsifying agents, solvents, and chemical intermediates.

REFERENCES:
patent: 4528364 (1985-07-01), Prier
patent: 4658065 (1987-04-01), Aoshima et al.
Y. Zhang, Inorganica Chemica Acta, 155 (1989) 263-265.

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