Process for production of biodegradable esters

Details Process for production of biodegradable esters Process for production of biodegradable esters

1992-02-24

1993-09-14

Dees, Jose G.

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

Organic compounds

Carboxylic acid esters

252 56R, 252 57, 524314, 560 76, 560 97, 560190, 560202, 560204, 568909, C07C 6708

Patent

active

052450724

ABSTRACT:
This invention relates to processes for making biodegradable surfactant. The process comprises several steps including an optional step. The first step is directed to reacting olefins with ZSM-23 catalyst to form oligomers having the formula -(C.sub.3).sub.x, (C.sub.4).sub.x or mixtures thereof. Second, the oligomer is hydroformylated to form a saturated alcohol, for example, tridecanol. Next, the saturated alcohol is ethoxylated. Thereafter a nonionic biodegradable surfactant is recovered. This surfactant can be used in detergent formulations. A process is also taught for making esters which can be used as lubricants or plasticizers. A specific hydroformylation process is taught which utilizes modified cobalt carbonyl catalyst. Also, a specific ethoxylation process is taught. Products formed according to the latter two processes as well as their uses are also taught.

REFERENCES:
patent: 3364251 (1968-01-01), Benning et al.
patent: 4229586 (1980-10-01), Ward
patent: 4623748 (1986-11-01), Johnson

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