SOLIDIFIED DETERGENT COMPOSITIONS AND METHOD FOR PRODUCING THE SAME

• US 20100190683A1
• Filed: 07/04/2008
• Published: 07/29/2010
• Est. Priority Date: 07/25/2007
• Status: Active Grant

• Current Assignee: Hiroshima University
• Original Assignee: Hiroshima University
• Inventors: Nikawa, Hiroki
• Granted Patent: US 8,304,379 B2
• Time in Patent Office: Days
• US Class Current: 510/466
• CPC Class Codes: A01N 2300/00 Combinations or mixtures of active ingredients covered by classes A01N27/00 - A01N65/48 with other active or formulation relevant ingredients, e.g. specific carrier materials or surfactants, covered by classes A01N25/00 - A01N65/48
• CPC Class Codes: A01N 25/30 characterised by the surfactants
• CPC Class Codes: A01N 55/00 Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur containing organo-phosphorus compounds A01N57/00
• CPC Class Codes: A61K 8/34 Alcohols
• CPC Class Codes: A61K 8/416 Quaternary ammonium compounds A61K8/35 takes precedence
• CPC Class Codes: A61K 8/4993 Derivatives containing from 2 to 10 oxyalkylene groups
• CPC Class Codes: A61K 8/585 Organosilicon compounds
• CPC Class Codes: A61Q 11/02 Preparations for deodorising, bleaching or disinfecting dentures
• CPC Class Codes: C11D 1/62 Quaternary ammonium compounds
• CPC Class Codes: C11D 1/645 Mixtures of compounds all of which are cationic
• CPC Class Codes: C11D 1/835 Mixtures of non-ionic with cationic compounds
• CPC Class Codes: C11D 3/162 containing Si
• CPC Class Codes: C11D 3/48 Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions

Abstract

According to the present invention, a solidified detergent composition is provided. The solidified detergent composition is characterized by having a reduced-pressure dried substance obtained by reduced-pressure drying a solution of (a) a silicon-containing compound with the addition of (b) at least one of surfactant to the silicon-containing compound, or a reduced-pressure dried substance obtained by reduced-pressure drying a solution of (a) a silicon-containing compound and (b) at least one of surfactant added to the resultant reduced-pressure dried substance, the silicon-containing compound being represented by the following general formula (1):

(wherein R1 shows a hydrocarbon group having 6 or more carbon atom number, R2 and R3 show a lower hydrocarbon group which may be same or different each other, R4 shows a bivalent lower hydrocarbon group, R5, R6 and R7 show a lower alkyl group or lower alkoxy group which may be same or different each other, X shows a halogen ion or organic carbonyloxy ion) and the surfactant being selected from the group consisting of (b1) a cationic surfactant (but excluding the above silicon-containing compound) and (b2) a nonionic surfactant.

Claims

1. A solidified detergent composition characterized in that the composition comprises a reduced-pressure dried substance of a solution of (a) a silicon-containing compound with the addition of (b) at least one of surfactant to the silicon-containing compound, the silicon-containing compound being represented by the following general formula (1):

(wherein R1 shows a hydrocarbon group having 6 or more carbon atom number, R2 and R3 show a lower hydrocarbon group which may be same or different each other, R4 shows a bivalent lower hydrocarbon group, R5, R6 and R7 show a lower alkyl group or lower alkoxy group which may be same or different each other, X shows a halogen ion or organic carbonyloxy ion) and the surfactant being selected from the group consisting of (b1) a cationic surfactant (but excluding the above silicon-containing compound) and (b2) a nonionic surfactant.

3. The solidified detergent composition according to claim 1 or 2, characterized in that a reduced-pressure drying is performed at −

30°

C. to −

60°

C.

4. The solidified detergent composition according to claim 1 or 2, characterized in that R1 of a silicon-containing compound (a) represented by the above general formula (1) shows an alkyl group having 10 to 25 carbon atom number, R2 and R3 show a lower alkyl group having 1 to 6 carbon atom number which may be same or different each other, R4 shows a lower alkylene group having 1 to 6 carbon atom number, R5, R6 and R7 show a lower alkyl group or alkoxy group having 1 to 6 carbon atom number which may be same or different each other, X shows a halogen ion or organic carbonyloxy ion.

5. The solidified detergent composition according to claim 1 or 2, characterized in that the silicon-containing compound (a) represented by the above general formula (1) is at least one of silicon-containing compound selected from the group consisting of an octadecyl dimethyl (3-trimethoxysilyl propyl) ammonium chloride, octadecyl diethyl (3-trimethoxysilyl propyl) ammonium chloride, octadecyl dimethyl (2-trimethylsilyl ethyl) ammonium chloride, octadecyl dipropyl (4-trimethoxysilyl butyl) ammonium acetate, octadecyl dimethyl (3-triethoxysilyl propyl) ammonium chloride, octadecyl dimethyl (3-triisopropoxysilyl propyl) ammonium chloride, octadecyl dimethyl (3-triethylsilyl propyl) ammonium chloride, octadecyl dimethyl (3-triisopropylsilyl propyl) ammonium chloride, heptadecyl dimethyl (3-trimethoxysilyl propyl) ammonium chloride, heptadecyl diisopropyl (2-triethoxysilyl ethyl) ammonium chloride, hexadecyl dimethyl (3-trimethoxysilyl propyl) ammonium chloride, hexadecyl dimethyl (3-trimethoxysilyl propyl) ammonium acetate, pentadecyl dimethyl (3-triethoxysilyl propyl) ammonium chloride.

6. The solidified detergent composition according to claim 1 or 2, characterized in that the silicon-containing compound (a) represented by the above general formula (1) is octadecyl dimethyl (3-trimethoxysilyl propyl) ammonium chloride.

7. The solidified detergent composition according to claim 1 or 2, characterized in that the above cationic surfactant (b1) is a cationic surfactant (b11) represented by the following general formula (2)

(wherein R11 shows a hydrocarbon group having 6 or more carbon atom number, R12, R13 and R14 show a lower hydrocarbon group which may be same or different each other) and/or N-cocoyl-arginine ethyl ester pyridone carboxylate salt (b12).

8. The solidified detergent composition according to claim 7, characterized in that R11 of the above cationic surfactant (b11) represented by the above general formula (2) shows an alkyl group having 10 to 25 carbon atom number, R12, R13 and R14 show a lower alkyl group having 1 to 6 carbon atom number which may be same or different each other, Y is a halogen ion or organic carbonyloxy ion.

9. The solidified detergent composition according to claim 7 or 8, characterized in that the above cationic surfactant (b11) is at least one of surfactant selected from the group consisting of a decyl trimethyl ammonium chloride, decyl triethyl ammonium acetate, dodecyl trimethyl ammonium acetate, dodecyl triisopropyl ammonium bromide, tridecyl triethyl ammonium bromide, tetradecyl trimethyl ammonium chloride, tetradecyl triethyl ammonium chloride, tetradecyl tri-n-propyl ammonium chloride, pentadecyl trimethyl ammonium chloride, pentadecyl triethyl ammonium chloride, pentadecyl tri-n-propyl ammonium chloride, hexadecyl trimethyl ammonium chloride, hexadecyl triethyl ammonium chloride, hexadecyl tri-n-propyl ammonium chloride, octadecyl trimethyl ammonium chloride and octadecyl triethyl ammonium chloride and octadecyl tri-n-propyl ammonium chloride.

10. The solidified detergent composition according to claim 1 or 2, characterized in that the above cationic surfactant (b1) is hexadecyl trimethyl ammonium chloride.

11. The solidified detergent composition according to claim 1 or 2, characterized in that the above nonionic surfactant (b2) is at least one of nonionic surfactant selected from the group consisting of an alkyl ether or fatty acid ester of polyoxyalkylene glycol containing polyoxyethylene unit and/or polyoxypropylene unit, a sorbitan fatty acid ester and fatty acid monoglyceride.

12. The solidified detergent composition according to claim 1 or 2 or 11, characterized in that the above nonionic surfactant (b2) is polyoxyethylene sorbitan monolaurate.

13. The solidified detergent composition according to claim 1 or 2, characterized in that the composition contains octadecyl dimethyl (3-trimethoxysilyl propyl) ammonium chloride as the above silicon-containing compound (a), and hexadecyl trimethyl ammonium chloride as the above cationic surfactant (b1).

14. The solidified detergent composition according to claim 1 or 2 or 11 or 12, characterized in that the composition contains octadecyl dimethyl (3-trimethoxysilyl propyl) ammonium chloride as the above silicon-containing compound (a), and polyoxyethylene sorbitan monolaurate as the above cationic surfactant (b2).

15. The solidified detergent composition according to claim 1 or 2, characterized in that the composition further contains a lower alcohol having 10 or less carbon number if desired.

16. The solidified detergent composition according to claim 15, characterized in that the lower alcohol is alcohol having 5 or less carbon number.

17. The solidified detergent composition according to claim 15, characterized in that the lower alcohol is selected from the group consisting of an ethanol, t-butyl alcohol, propyl alcohol, n-butyl alcohol, isobutyl alcohol, sec-butyl alcohol, tert-butyl alcohol and pentyl alcohol.

18. The solidified detergent composition according to claim 1 or 2, characterized in that the composition is re-dissoluble in tap water.

2. A solidified detergent composition characterized in that the composition comprises a reduced-pressure dried substance of a solution of (a) a silicon-containing compound, and (b) at least one of surfactant added to the reduced-pressure dried substance, the silicon-containing compound being represented by the following general formula (1)

(wherein R1 shows a hydrocarbon group having 6 or more carbon atom number, R2 and R3 show a lower hydrocarbon group which may be same or different each other, R4 shows a bivalent lower hydrocarbon group, R5, R6 and R7 show a lower alkyl group or lower alkoxy group which may be same or different each other, X shows a halogen ion or organic carbonyloxy ion) and the surfactant being selected from the group consisting of (b1) a cationic surfactant (but excluding the above silicon-containing compound) and (b2) a nonionic surfactant.

19. A method for manufacturing a solidified detergent composition, characterized in that the method has the steps of:

preparing a solution of (a) a silicon-containing compound with the addition of (b) at least one of surfactant to the silicon-containing compound, the silicon-containing compound being represented by the following general formula (1);

(wherein R1 shows a hydrocarbon group having 6 or more carbon atom number, R2 and R3 show a lower hydrocarbon group which may be same or different each other, R4 shows a bivalent lower hydrocarbon group, R5, R6 and R7 show a lower alkyl group or lower alkoxy group which may be same or different each other, X shows a halogen ion or organic carbonyloxy ion) and the surfactant being selected from the group consisting of (b1) a cationic surfactant (but excluding the above silicon-containing compound) and (b2) a nonionic surfactant; and

reduced-pressure drying the solution.

21. The method according to claim 19 or 20, characterized in that a reduced-pressure drying is performed at −

30°

C. to −

60°

C.

22. The method according to claim 19 or 20, characterized in that the composition further contains a lower alcohol having 10 or less carbon number if desired.

20. A method for manufacturing a solidified detergent composition, characterized in that the method has the steps of:

reduced-pressure drying a solution of (a) a silicon-containing compound represented by the following general formula (1);

(wherein R1 shows a hydrocarbon group having 6 or more carbon atom number, R2 and R3 show a lower hydrocarbon group which may be same or different each other, R4 shows a bivalent lower hydrocarbon group, R5, R6 and R7 show a lower alkyl group or lower alkoxy group which may be same or different each other, X shows a halogen ion or organic carbonyloxy ion); and

adding (b) at least one of surfactant to a reduced-pressure dried substance obtained in the above step, the surfactant being selected from the group consisting of (b1) a cationic surfactant (but excluding the above silicon-containing compound) and (b2) a nonionic surfactant.

23. A method for preventing a gelation of (a) a silicon-containing compound represented by the following general formula (1):

(wherein R1 shows a hydrocarbon group having 6 or more carbon atom number, R2 and R3 show a lower hydrocarbon group which may be same or different each other, R4 shows a bivalent lower hydrocarbon group, R5, R6 and R7 show a lower alkyl group or lower alkoxy group which may be same or different each other, X shows a halogen ion or organic carbonyloxy ion), characterized in that the method has the steps of;

preparing a solution of (a) the silicon-containing compound with the addition of (b) at least one of surfactant to the silicon-containing compound, the surfactant being selected from the group consisting of (b1) a cationic surfactant (but excluding the above silicon-containing compound) and (b2) a nonionic surfactant; and

reduced-pressure drying the solution.

25. The method according to claim 23 or 24, characterized in that a reduced-pressure drying is performed at −

30°

C. to −

60°

C.

26. The method according to claim 23 or 24, characterized in that the composition further contains a lower alcohol having 10 or less carbon number if desired.

24. A method for preventing a gelation of (a) a silicon-containing compound represented by the following general formula (1):

(wherein R1 shows a hydrocarbon group having 6 or more carbon atom number, R2 and R3 show a lower hydrocarbon group which may be same or different each other, R4 shows a bivalent lower hydrocarbon group, R5, R6 and R7 show a lower alkyl group or lower alkoxy group which may be same or different each other, X shows a halogen ion or organic carbonyloxy ion), characterized in that the method has the steps of;

reduced-pressure drying a solution of the silicon-containing compound; and

adding (b) at least one of surfactant to a reduced-pressure dried substance obtained in the above step, the surfactant being selected from the group consisting of (b1) a cationic surfactant (but excluding the above silicon-containing compound) and (b2) a nonionic surfactant.