Sulfonated product of butadiene or isoprene oligomer and the pro

Details Sulfonated product of butadiene or isoprene oligomer and the pro Sulfonated product of butadiene or isoprene oligomer and the pro

1977-09-15

1978-09-19

Evans, Joseph E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

210 58, 252555, 260513B, 26068315D, C07C14316, C11D 114

Patent

active

041154371

ABSTRACT:
A sulfonated product of butadiene or isoprene oligomer of the formula: ##STR1## wherein one of R.sub.1 and R.sub.1 ' is hydrogen or methyl and another one is hydrogen; R.sub.2 ' is hydrogen or methyl; one of X.sub.1 and X.sub.2 is --SO.sub.3 M and another one is hydrogen; a and b are each an integer satisfying the conditions; n = a + b, 2 < n < 40 and 0 < b; M is hydrogen, Na, K, Li or --NR.sub.3 R.sub.4 R.sub.5 R.sub.6 ; and R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are each hydrogen or an alkyl having 1 to 6 carbon atoms, which has specific properties, particularly excellent hard water resistance, and is useful for various utilities, for instance, as a surfactant, emulsifier, or the like, and a process for the production of the sulfonated product.

REFERENCES:
patent: 2384969 (1945-09-01), Serniuk
patent: 3356717 (1967-12-01), Furrow
patent: 3424770 (1969-01-01), Stein et al.
patent: 4070396 (1978-01-01), Convers et al.

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