发明名称 |
IMPROVED ALKYLBENZENESULFONATE SURFACTANTS |
摘要 |
A surfactant composition comprising: alkylarylsulfonate surfactant system comprising at least two isomers of the alkylarylsulfonate surfactant of formula (I) wherein L is an acyclic aliphatic hydrocarbyl of from 6 to 18 carbon atoms in total; M is a cation or cation mixture and q is the valence thereof; a and b are numbers selected such that said alkylarylsulfonate surfactant is electroneutral; R', R'' and R''' are independently selected from H and C1 to C3 alkyl; both of R' and R'' are nonterminally attached to L and at least one of R' and R'' is C1 to C3 alkyl; and A is aryl; wherein said alkylarylsulfonate surfactant system comprises two or more isomers with respect to positions of attachment of R', R'' and A to L; in at least about 40 % of said composition, A is attached to L in the position which is selected from positions alpha- and beta- to either of the two terminal carbon atoms of L; and wherein further said alkylarylsulfonate surfactant system has at least one of the following properties: said alkylarylsulfonate surfactant system has a ratio of nonquaternary to quaternary carbon atoms in L of at least about 5:1 by weight, when said quaternary carbon atoms are present; or percentage biodegradation, as measured by the modified SCAS test, that exceeds tetrapropylene benzene sulfonate.
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申请公布号 |
CA2297170(A1) |
申请公布日期 |
1999.02.04 |
申请号 |
CA19982297170 |
申请日期 |
1998.07.20 |
申请人 |
THE PROCTER & GAMBLE COMPANY |
发明人 |
KOTT, KEVIN LEE;CONNOR, DANIEL STEDMAN;SCHEIBEL, JEFFREY JOHN;VINSON, PHILLIP KYLE;CRIPE, THOMAS ANTHONY |
分类号 |
C11D1/22;C11D1/37;(IPC1-7):C11D1/22 |
主分类号 |
C11D1/22 |
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