| 摘要 |
1283781 Polyoxyalkylated sulphur compounds HENKEL & CIE GmbH 22 Sept 1969 [9 Oct 1968] 46512/69 Heading C3R [Also in Divisions C2 and C5] Novel surface-active compounds of formula where R 1 is a C 1-22 aliphatic residue, R 2 and R 3 are H or C 1-21 aliphatic residues, the sum of the carbons in R 1 , R 2 and R 3 in each residue linked to S being 4 to 22, A is a bivalent aliphatic residue, the two residues A being the same or different, n and m are 0 to 100, the sum of n + m being 1 to 100, are prepared by reacting R 1 R 3 C(OH)CHR 2 SCHR 2 C(OH)R 1 R 3 with one or more epoxides. R 1 and R 2 may be straight or branched and may contain cyclic groupings and may be substituted or interrupted by hetero atoms.
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