Process for production of biodegradable surfactants and composit

Details Process for production of biodegradable surfactants and composit Process for production of biodegradable surfactants and composit

1989-06-05

1992-05-12

Lieberman, Paul

Compositions

Water-softening or purifying or scale-inhibiting agents

252DIG2, 568618, 568671, 568909, 585533, 585651, C11D 166

Patent

active

051125196

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.

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