FIELD: chemistry.
SUBSTANCE: invention relates to a surfactant, containing 1-2 residues of 1,3-cyclopentanediil directly connected or separated with hydrocarbon chains containing 0-20 methylene groups, wherein the said surfactant is characterised by a general formula, where m is integer from 2 to 20; n and k independently denote integers from 0 to 20; total (m + n + k) is an integer ranging from 5 to 20 inclusively; and a equals to 0 or 1; and p is a polar group.
EFFECT: these surfactants are characterised by a wide operating temperature range and allow using in aggressive media without risks to environmental safety.
1 cl, 1 tbl, 58 ex, 4 dwg
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