Aqueous surfactant compositions

Patent metadata

Field	Value
Publication number	US-10945936-B2
Application number	US-201716301505-A
Country	US
Kind code	B2
Filing date	May 11, 2017
Priority date	May 18, 2016
Publication date	Mar 16, 2021
Grant date	Mar 16, 2021

Abstract

Aqueous surfactant compositions containing
one or more alpha-sulfo fatty acid disalt (A) of general formula (I),

R 1 CH(SO 3 M 1 )COOM 2   (I),
in which the radical R 1 is a linear or branched alkyl or alkenyl radical having 6 to 18 carbon atoms and the radicals M 1 and M 2 , independently of one another, are selected from the group consisting of H, Li, Na, K, Ca/2, Mg/2, ammonium, and alkanolamine, one or more alkanolamide (B) selected from the group of compounds of general formula (IIa), (IIb) and (IIc),

R 13 —CO—NR 14 R 15   (IIa)

R 13 —CO—NR 14 R 16   (IIb)

R 13 —CO—NR 14 R 17   (IIc)
wherein the radical R 13 in compounds (IIa) is a linear or branched alkyl radical having 6 to 18 carbon atoms and the radicals R 14 and R 15 , independently of each other, are a linear or branched hydroxyalkyl group having 1 to 4 carbon atoms; wherein the radical R 13 in compounds (IIb) is a linear or branched alkyl radical having 6 to 18 carbon atoms, the radical R 14 is a linear or branched hydroxyalkyl group having 1 to 4 carbon atoms and the radical R 16 is hydrogen; and wherein the radical R 13 in compounds (IIc) is a linear or branched alkyl radical having 6 to 18 carbon atoms, the radical R 14 is a linear or branched hydroxyalkyl group having 1 to 4 carbon atoms and the radical R 17 is an alkyl group having 1 to 4 carbon atoms; and water, are disclosed. These compositions have good foaming ability, pleasant sensory properties of the foam, good skin compatibility, and are suitable for cosmetic agents as well as detergents and cleaners.

First claim

The invention claimed is:

1. An aqueous surfactant composition comprising
one or more alpha-sulfo fatty acid disalt (A) of general formula (I)
R 1 CH(SO 3 M 1 )COOM 2   (I),

in which the radical R 1 is a saturated, linear alkyl radical having 10 to 16 carbon atoms and the radicals M 1 and M 2 , independently of one another, are selected from the group consisting of H, Li, Na, K, Ca/2, Mg/2, ammonium, and alkanolamine;
one or more alkanolamide (B) selected from the group of compounds of general formula (IIa), (IIb) and (IIc)
R 13 CO—NR 14 R 15   (IIa)

R 13 —CO—NR 14 R 16   (IIb)

R 13 —CO—NR 14 R 17   (IIc),

wherein the radical R 13 in compounds (IIa) is a linear or branched alkyl radical having 6 to 18 carbon atoms and the radicals R 14 and R 15 , independently of each other, are a linear or branched hydroxyalkyl group having 1 to 4 carbon atoms;
wherein the radical R 13 in compounds (IIb) is a linear or branched alkyl radical having 6 to 18 carbon atoms, the radical R 14 is a linear or branched hydroxyalkyl group having 1 to 4 carbon atoms, and the radical R 16 is hydrogen;
and wherein the radical R 13 in compounds (IIc) is a linear or branched alkyl radical having 6 to 18 carbon atoms, the radical R 14 is a linear or branched hydroxyalkyl group having 1 to 4 carbon atoms, and the radical R 17 is an alkyl group having 1 to 4 carbon atoms;
one or more compound (C) of general formula (III)
R 4 COOM 5   (III),

in which the radical R 4 is a linear or branched alkyl or alkenyl radical having 7 to 19 carbon atoms and the radical M 5 is selected from the group consisting of H, Li, Na, K, Ca/2, Mg/2, ammonium, and alkanolamine;
one or more inorganic salt of sulfuric acid (D) of general formula (IV)
(M 6 ) 2 SO 4   (IV),

wherein M 6 is selected from the group consisting of Li, Na, K, Ca/2, Mg/2, ammonium, and alkanolamine; and
water,
where the following provisos apply:
with regard to compound (A) it is the case that the fraction of the compound (A) in which the radical R 1 is a decyl or dodecyl radical, based on the total amount of the compound (A), is 90% by weight or more;
the content of compound (A) is in the range from 60 to 100% by weight based on the sum of compounds (A), (C), and (D) in the aqueous surfactant composition;
the content of compound (C) is in the range from more than 0 to 20% by weight based on the sum of compounds (A), (C), and (D) in the aqueous surfactant composition;
the content of compound (D) is in the range from more than 0 to 20% by weight based on the sum of compounds (A), (C), and (D) in the aqueous surfactant composition; and
if the aqueous surfactant compositions comprise one or more ester sulfonate (E) of general formula (V)
R 2 CH(SO 3 M 7 )COOR 3   (V),

in which the radical R 2 is a linear or branched alkyl or alkenyl radical having 6 to 18 carbon atoms and the radical R 3 is a linear or branched alkyl or alkenyl radical having 1 to 20 carbon atoms, where the radical R 3 can be an alkenyl radical or be branched only above 3 carbon atoms, and the radical M 7 is selected from the group consisting of Li, Na, K, Ca/2, Mg/2, ammonium, and alkanolamine, it is the case that the compound (A), based on the totality of the compounds (A) and (E), must be present to an extent of 50% by weight or more.

2. The composition according to claim 1 , wherein the radicals M 1 and M 2 are selected from the group consisting of H (hydrogen) and Na (sodium).

3. The composition according to claim 1 , wherein the composition additionally one or more monosulfoketone (F) of general formula (VI)
R 6 CH 2 —CO—CHR 7 (SO 3 M 8 )  (VI),

in which the radicals R 6 and R 7 , independently of each other, are a linear or branched alkyl radical having 6 to 18 carbon atoms and the radical M 8 is selected from the group consisting of H, Li, Na, K, Ca/2, Mg/2, ammonium, and alkanolamine.

4. The composition according to claim 1 , wherein the composition additionally one or more disulfoketone (G) of general formula (VII)
(SO 3 M 9 )R 8 CH—CO—CHR 9 (SO 3 M 10 )  (VII),

in which the radicals R 8 and R 9 , independently of each other, are a linear or branched alkyl radical having 6 to 18 carbon atoms and the radicals M 9 and M 10 , independently of each other, are selected from the group comprising H, Li, Na, K, Ca/2, Mg/2, ammonium, and alkanolamine.

5. A composition according to claim 1 for use in cosmetic products and also detergents and cleaners.

6. A composition according to claim 1 for use in cosmetic products in the form of hair shampoos, shower gels, soaps, syndets, washing pastes, washing lotions, scrub preparations, foam baths, oil baths, shower baths, shaving foams, shaving lotions, shaving creams, and dental care products.

7. A composition according to claim 1 for use in products having a low pH for cleaning hard surfaces.

8. A composition as claimed in claim 1 for use as a pearlescent concentrate.

Assignees

• Basf Se

Inventors

• Brunn Claudia
• Behler Ansgar

Classifications

• A61K8/46

  containing sulfur (A61K8/44 takes precedence) · CPC title

• A61Q5/02

  Preparations for cleaning the hair · CPC title

• A61Q19/10

  Washing or bathing preparations · CPC title

• C11D1/12

  Sulfonic acids or sulfuric acid esters; Salts thereof · CPC title

• A61Q9/02

  Shaving preparations · CPC title