Formulations, the production and use thereof, and suitable components

Patent metadata

Field	Value
Publication number	US-10072235-B2
Application number	US-201515319493-A
Country	US
Kind code	B2
Filing date	Jun 12, 2015
Priority date	Jun 23, 2014
Publication date	Sep 11, 2018
Grant date	Sep 11, 2018

Abstract

A formulation including
(A) at least one compound selected from methylglycine diacetate (MGDA) and glutamic acid diacetate (GLDA) and salts thereof, (B) at least one graft copolymer composed of
(a) at least one graft base selected from nonionic monosaccharides, disaccharides, oligosaccharides and polysaccharides,
and side chains obtainable by grafting on of
(b) at least one ethylenically unsaturated mono- or dicarboxylic acid and (c) at least one compound of the general formula (I),

where the variables are defined as follows:
R 1 is selected from methyl and hydrogen, A 1 is selected from C 2 -C 4 -alkylene, R 2 are identical or different and selected from C 1 -C 4 -alkyl, X − is selected from halide, mono-C 1 -C 4 -alkyl sulfate and sulfate.

First claim

The invention claimed is:

1. A formulation comprising
(A) at least one compound selected from methylglycine diacetate (MGDA) and glutamic acid diacetate (GLDA) and salts thereof,
(B) at least one graft copolymer composed of
(a) at least one graft base selected from nonionic monosaccharides, disaccharides, oligosaccharides and polysaccharides, and side chains obtainable by grafting on of
(b) at least one ethylenically unsaturated mono- or dicarboxylic acid and
(c) at least one compound of the general formula (I),

where the variables are defined as follows:
R 1 is selected from methyl and hydrogen,
A 1 is selected from C 2 -C 4 -alkylene,
R 2 are identical or different and selected from C 1 -C 4 -alkyl,
X − is selected from halide, mono-C 1 -C 4 -alkyl sulfate and sulfate.

2. The formulation according to claim 1 , wherein said formulation is free from phosphates and polyphosphates.

3. The formulation according to claim 1 , wherein compound (c) is selected from ω-trimethylaminoethyl (meth)acrylatochloride.

4. The formulation according to claim 1 , wherein compound (A) is selected from the trisodium salt of methylglycine diacetate (MGDA).

5. The formulation according to claim 1 , wherein the formulation is solid at room temperature.

6. The formulation according to claim 1 , wherein the formulation comprises at least one inorganic peroxide compound (C).

7. The formulation according to claim 1 to 6 , wherein the formulation comprises at least one polymeric builder (D).

8. The formulation according to claim 1 , wherein the formulation comprises:
in total in the range from 1 to 50% by weight of compound (A),
in total in the range from 0.1 to 4% by weight of graft copolymer (B),
based in each case on solids content of the formulation.

9. A process for washing dishes and kitchen utensils, the process comprising washing said dishes and kitchen utensils using the formulation according to claim 1 .

10. A process for washing objects which have at least one surface made of glass wherein the glass is one of decorated and undecorated, the process comprising washing said objects using the formulation according to claim 1 .

11. The process according to claim 9 , wherein the washing comprises washing using a dishwasher.

12. A process for the preparation of formulations according to claim 1 , wherein at least one compound (A) and at least one graft copolymer (B) are mixed together in one or more steps.

13. A graft copolymer (B) composed of
(a) at least one graft base selected from nonionic monosaccharides, disaccharides, oligosaccharides and polysaccharides,
and side chains obtainable by grafting on of

(b) at least one ethylenically unsaturated mono- or dicarboxylic acid and
(c) at least one compound of the general formula (I),

where the variables are defined as follows:
R 1 is selected from methyl and hydrogen,
A 1 is selected from C 2 -C 4 -alkylene,
R 2 are identical or different and selected from C 1 -C 4 -alkyl,
X − is selected from halide, mono-C 1 -C 4 -alkyl sulfate and sulfate.

14. The graft copolymer (B) according to claim 13 , in which the variables are defined as follows:
R 1 is hydrogen or methyl,
R 2 are identical and in each case methyl,
A 1 is CH 2 CH 2 , and
X − is chloride.

15. A process for the preparation of graft copolymers according to claim 13 , wherein
(b) at least one ethylenically unsaturated mono- or dicarboxylic acid and
(c) at least one compound of the general formula (I) are free-radically copolymerized in the presence of at least one graft base (a).

16. The process according to claim 12 , wherein water is at least partially removed from the formulation after mixing.

17. The process according to claim 12 , wherein component (C) comprises one of peroxide and chlorine bleach.

18. The process according to claim 16 , wherein the water is removed by spray drying.

Assignees

• Basf Se

Inventors

• Türk Holger
• Weber Heike
• Türkoglu Gazi

Classifications

• C11D3/3788 Primary

  Graft polymers · CPC title

• C08F251/00

  Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof · CPC title

• C11D3/0036 Primary

  Soil deposition preventing compositions; Antiredeposition agents · CPC title

• C11D3/33

  Amino carboxylic acids · CPC title

• C11D3/3942

  Inorganic per-compounds (C11D3/3902 takes precedence) · CPC title