Process for the production of polyalkylaromatic polysulfonic...

Details Process for the production of polyalkylaromatic polysulfonic... Process for the production of polyalkylaromatic polysulfonic...

C - Chemistry, Metallurgy

07

C

260/504.5

C07C 143/34 (1985.01)

Patent

CA 1255695

ABSTRACT OF THE DISCLOSURE This invention relates to novel processes for the production of enhanced yields of polyalkylaromatic polysulfonic acids. More particularly, the invention pertains to processes for sulfonating polyalkylaromatic compounds employing sulfuric acid treatment and recover- ing the polyalkylaromatic polysulfonic acid produced thereby after formation of a three phase system by the addition of controlled amounts of water, causing the polysulfonic acid to accumulate in the bottom layer, with which it is readily separated.

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