ZA200104025B - Structured liquid detergent composition. - Google Patents
Structured liquid detergent composition. Download PDFInfo
- Publication number
- ZA200104025B ZA200104025B ZA200104025A ZA200104025A ZA200104025B ZA 200104025 B ZA200104025 B ZA 200104025B ZA 200104025 A ZA200104025 A ZA 200104025A ZA 200104025 A ZA200104025 A ZA 200104025A ZA 200104025 B ZA200104025 B ZA 200104025B
- Authority
- ZA
- South Africa
- Prior art keywords
- composition
- lamellar
- phase
- refractive index
- aqueous
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims description 81
- 239000007788 liquid Substances 0.000 title claims description 17
- 239000003599 detergent Substances 0.000 title claims description 15
- 239000012071 phase Substances 0.000 claims description 37
- 239000004094 surface-active agent Substances 0.000 claims description 17
- 239000008346 aqueous phase Substances 0.000 claims description 14
- 239000000499 gel Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 9
- 229920000642 polymer Polymers 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000003792 electrolyte Substances 0.000 claims description 8
- 239000006185 dispersion Substances 0.000 claims description 4
- 125000003710 aryl alkyl group Chemical group 0.000 claims 8
- 230000003247 decreasing effect Effects 0.000 claims 8
- 238000002360 preparation method Methods 0.000 claims 5
- 239000000047 product Substances 0.000 description 9
- 239000007787 solid Substances 0.000 description 3
- 239000012263 liquid product Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000001683 neutron diffraction Methods 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/0008—Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
- C11D17/0026—Structured liquid compositions, e.g. liquid crystalline phases or network containing non-Newtonian phase
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
- C11D3/3765—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in liquid compositions
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Detergent Compositions (AREA)
- Cosmetics (AREA)
Description
» be
STRUCTURED LIQUID DETERGENT COMPOSITION
The present invention is concerned with aqueous liquid detergent compositions of the kind which contain sufficient detergent-active material and, optionally, sufficiently dissolved electrolyte to result in a lamellar structure.
Conventially, aqueous liquid detergent compositions may be : structured in one of two different ways to endow consumer- k preferred flow behaviour and/or turbid appearance and/or of suspending particulate solids such as detergency builders ! or abrasive particles.
The first way is to employ an “external structurant” such as a gum or polymer thickener. The second way is to form a lamellar phase “internal structure” from the surfactant (s) and water, the latter usually containing dissolved electrolyte.
Lamellar phases are a particular class of surfactant structures which, inter alia, are already known from a variety of references, e.g. H.A. Barnes, ‘Detergents’, Ch.2 in K.Walters (Ed), Rheometry: Industrial Applications’, J.
Wiley & Sons, Letchworth 1980.
Lamellar phases can themselves be considered as divided into the sub-classes planar lamellar phases and lamellar droplets. Products can contain exclusively planar lamellar phases or exclusively lamellar droplets or the two forms can co-exist in the same product.
The presence of lamellar phases in a liquid detergent product may be detected by means known to those skilled in the art, for example optical techniques, various rheometrical measurements, X-ray or neutron diffraction, and electron microscopy.
Lamellar droplets consist of an onion-like configuration of concentric bi~layers of surfactant molecules, between which is trapped water or electrolyte solution (aqueous phase).
Systems in which such droplets are close-packed provide a very desirable combination of physical stability and solid- suspending properties with useful flow properties.
Examples of internally structured liquids containing a dispersion of lamellar droplets but without suspended solids are given in US patent 4 244 840, whilst examples where solid particles are suspended are disclosed in specifications EP-A-160 342: EP-A-38 101: EP-A-104 452 and also in the aforementioned US 4 244 840. Others are disclosed in European Patent Specification EP-A~151 884, where the lamellar droplets are called ‘spherulites’.
N Ng b 3
There are also known examples of products containing planar lamellar phases which may be extensive throughout the liquid or distributed as discrete layers interspersed with an aqueous continuous phase. Planar lamellar phases are generally less well suited to combine suspending solid material with preferred flow properties than are lamellar droplets, but they are nevertheless eminently suitable for thickening the product or endowing it with other consumer- . preferred properties.
Lamellar phases cause the resultant liquid product to be turbid (i.e. cloudy). In order to produce certain visually pleasing effects in aqueous liquid products there is a need ’ to produce a lamellar-structured detergent liquid which is substantially clear (i.e. substantially transparent). ! Products with a microstructure consisting of predominantly planar lamellar phases are usually less turbid than products with a microstructure of lamellar droplets.
However, these products have usually an inhomogeneous appearance and are not substantially clear, so that visually, they do not have a pleasing appearance.
Furthermore, in these planar lamellar products, it is often difficult to incorporate sufficient functional electrolytes, e.g. builder or buffer electrolyte, while maintaining clarity. Until now, it has only been possible to produce commercially viable liquid detergents which are substantially clear by use of external structurants in intrinsically isotropic liquids, such as disclosed in GB-A- 1 303 810.
Te ‘ , 4
A first aspect of the present invention provides an aqueous detergent composition having a physical form selected from the group consisting of liquids, pourable gels and non- pourable gels, said composition comprising surfactant and water, which composition is structured with a lamellar phase formed of at least some of the surfactant and at least some of the water, the composition being substantially clear at 25°C.
One means of providing the clarity afforded by the first aspect of the present invention is when the lamellar phase is in the form of lamellar droplets and a deflocculating polymer is incorporated in a composition which is already colloidally stable, even in the absence of the ) deflocculating polymer. Thus a second aspect of the present invention provides an aqueous detergent composition having a physical form selected from the group consisting of liquids, pourable gels and non-pourable gels, said composition comprising a dispersion of lamellar droplets in an aqueous continuous phase, the composition further comprising deflocculating pelymer, which composition at 25°C in the absence of the deflocculating polymer does not have a substantially higher viscosity and is colloidally stable."
Another means of providing the clarity afforded by the first aspect of the present invention is also when the
Claims (43)
1. An aqueous detergent composition having a physical form selected from the group consisting of liquids, pourable gels and non-pourable gels, said composition comprising surfactant and water, which composition is structured with a lamellar phase formed of at least some of the surfactant and at least some of the water, the composition being substantially clear at 25°C.
2. The composition of claim 1, characterised in that the lamellar structure comprises lamellar droplets, the lamellar droplets being dispersed in an aqueous continuous phase. co
3. The composition of claim 1, characterised in having an : optical transmissivity of at least 5% through a path length of lem at 25°C.
4. The composition of claim 1, characterised in further comprising deflocculating polymer.
5. The composition of claim 4, characterised in that the composition without the deflocculating polymer is colloidally stable.
6. The composition of claim 1, characterised in that the lamellar phase is dispersed in an aqueous phase comprising some of the water, wherein the difference between the refractive index of the lamellar phase and the refractive index of the aqueous phase is such that the composition has an optical transmissivity of at least 5%.
7. The composition of claim 5, characterised in that the lamellar phase is dispersed in an aqueous phase comprising some of the water, wherein the difference between the refractive index of the lamellar phase and the refractive index of the aqueous phase is such that the composition has an optical transmissivity of at least 5%.
8. The composition of claim 6, characterised in that the refractive index of the aqueous phase is increased by a : sugar dissolved therein.
- 9. The composition of claim 7, characterised in that the refractive index of the aqueous phase is increased by a sugar dissolved therein.
10. The composition of claim 6, characterised in that the refractive index of the lamellar phase is decreased by virtue of the surfactant being substantially free of aralkyl surfactant.
11. The composition of claim 7, characterised in that the refractive index of the lamellar phase is decreased by virtue of the surfactant being substantially free of aralkyl surfactant.
12. The composition of claim 2, characterised in that the Dy,90 of the lamellar droplets is less than 2 microns.
13. The composition of claim 1, characterised in that electrolyte is dissolved in the water.
14. An aqueous detergent composition having a physical form selected from the group consisting of liquids, pourable gels and non-pourable gels, said composition comprising a dispersion of lamellar droplets in an aqueous continuous phase, the composition further comprising deflocculating polymer, which composition at 25°C in the absence of the deflocculating polymer does not have a substantially higher viscosity and is colloidally stable. )
15. The composition of claim 14, characterised in having - an optical transmissivity of at least 10% through a path length of lcm at 25°C.
16. The composition of claim 14, characterised in that the difference between the refractive index of the lamellar droplets and the refractive index of the continuous phase is such that the composition has an optical transmissivity of at least 5%.
17. The composition of claim 16, characterised in that the refractive index of the continuous phase is increased by a sugar dissolved therein.
18. The composition of claim 16, characterised in that refractive index of the lamellar droplets is decreased by virtue of the lamellar droplets being substantially free of aralkyl surfactant.
19. The composition of claim 17, characterised in that refractive index of the lamellar droplets is decreased by virtue of the lamellar droplets being substantially free of aralkyl surfactant.
20. The composition of claim 14, characterised in that the Dv,90 ©f the lamellar droplets is less than 1 micron. -
21. The composition of claim 16, characterised in that the Dy,90 of the lamellar droplets is less than 1 micron.
22. The composition of claim 14, characterised in that electrolyte is dissolved in the aqueous continuous phase.
23. An aqueous detergent composition having a physical form selected from the group consisting of liquids, pourable gels and non-pourable gels, said composition comprising a dispersion of lamellar droplets in an aqueous phase, wherein the Dy,90 of the lamellar droplets is less than 2 microns.
24. The composition of claim 23, characterised in having an optical transmissivity of at least 10% through a path length of lcm at 25°C.
25. The composition of claim 23, characterised in that the difference between the refractive index of the lamellar droplets and the refractive index of the aqueous is such that the composition has an optical transmissivity of at least 5%.
26. The composition of claim 25, characterised in that the refractive index of the agueous phase is increased by a sugar dissolved therein.
27. The composition of claim 25, characterised in that refractive index of the lamellar droplets is decreased by virtue of the lamellar droplets being substantially free of aralkyl surfactant. ;
2B. The composition of claim 26, characterised in that . refractive index of the lamellar droplets is decreased by virtue of the lamellar droplets being substantially free of aralkyl surfactant.
29. The composition of claim 23, characterised in that electrolyte is dissolved in the aqueous continuous phase.
30. An aqueous detergent composition having a physical form selected from the group consisting of liquids, pourable gels and non-pourable gels, said composition comprising a lamellar phase and an aqueous phase, wherein the difference between the refractive index of the lamellar phase and the refractive index of the aqueous phase is such that the composition has an optical transmissivity of at least 5%.
31. The composition of claim 30, characterised in further comprising deflocculating polymer.
32. The composition of claim 30, characterised in that the refractive index of the aqueous phase is increased by a sugar dissolved therein.
33. The composition of claim 30, characterised in that the refractive index of the lamellar phase is decreased by 3 virtue of the lamellar phase being substantially free of : : : aralkyl surfactant.
i . 34. The composition of claim 32, characterised in that the : refractive index of the lamellar phase is decreased by virtue .of the lamellar phase being substantially free of { aralkyl surfactant.
35. The composition of claim 30, characterised in that the lamellar phase comprises lamellar droplets having a Dy,g0 less than 2 microns.
36. The composition of claim 32, characterised in that the lamellar phase comprises lamellar droplets having a Dy,qp less than 2 microns.
37. The composition of claim 1, characterised in that electrolyte is dissolved in the aqueous phase.
38. An aqueous detergent composition having a physical form selected from the group consisting of liquids, pourable gels and non-pourable gels, said composition comprising a lamellar phase and an aqueous phase, which aqueous phase has a sugar dissolved therein.
39. A process for the preparation of the composition of claim 1, said process characterised in comprising the steps of mixing at least some of the components of the composition at a shear rate of at least 10,000 s™!, and then admixing the resultant composition with any remaining components.
40. A process for the preparation of the composition of claim 14, said process characterised in comprising the steps of mixing at least some of the components of the composition at a shear rate of at least 10,000 s™*, and then admixing the resultant composition with any remaining components.
41. A process for the preparation of the composition of claim 23, said process characterised in comprising the steps of mixing at least some of the components of the composition at a shear rate of at least 10,000 s™*, and then admixing the resultant composition with any remaining components.
42. A process for the preparation of the composition of claim 30, said process characterised in comprising the steps of mixing at least some of the components of the composition at a shear rate of at least 10,000 s™!, and then admixing the resultant composition with any remaining components.
43. A process for the preparation of the composition of claim 38, said process characterised in comprising the steps of mixing at least some of the components of the composition at a shear rate of at least 10,000 s™!, and then admixing the resultant composition with any remaining : components.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP98310336 | 1998-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200104025B true ZA200104025B (en) | 2002-05-17 |
Family
ID=8235213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200104025A ZA200104025B (en) | 1998-12-16 | 2001-05-17 | Structured liquid detergent composition. |
Country Status (14)
| Country | Link |
|---|---|
| EP (1) | EP1141221B2 (en) |
| CN (1) | CN1198916C (en) |
| AR (1) | AR021683A1 (en) |
| AT (1) | ATE250121T1 (en) |
| AU (1) | AU767826B2 (en) |
| BR (1) | BR9916258A (en) |
| CA (1) | CA2355059A1 (en) |
| DE (1) | DE69911463T3 (en) |
| ES (1) | ES2207311T5 (en) |
| HU (1) | HUP0104815A3 (en) |
| TR (1) | TR200101708T2 (en) |
| TW (1) | TW526266B (en) |
| WO (1) | WO2000036079A1 (en) |
| ZA (1) | ZA200104025B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU776705B2 (en) * | 1999-07-17 | 2004-09-16 | Huntsman International Llc | Structured surfactant systems |
| AU7971201A (en) * | 2000-07-06 | 2002-01-14 | Huntsman Int Llc | Solid-suspending systems |
| EP1747260A4 (en) * | 2004-04-15 | 2008-07-30 | Rhodia | Structured surfactant compositions |
| BRPI0717226A2 (en) * | 2006-09-26 | 2013-09-24 | Rhodia | structured surfactant system |
| EP2336750B1 (en) | 2009-12-10 | 2016-04-13 | The Procter & Gamble Company | Method for measuring the soil removal ability of a cleaning product |
| BR112014011725A2 (en) * | 2011-11-25 | 2017-05-30 | Unilever Nv | liquid detergent composition |
| US9668474B2 (en) | 2012-02-10 | 2017-06-06 | Stepan Company | Structured surfactant suspending systems |
| CN108644125A (en) * | 2018-04-29 | 2018-10-12 | 贝德科技有限公司 | A kind of diesel engine long axis fire pump using seawater corrosion resistance new material |
| CN111229120B (en) * | 2018-11-29 | 2022-01-07 | 中国石油化工股份有限公司 | Mixed system containing fatty acid type surfactant and preparation method thereof |
| CN111229117B (en) * | 2018-11-29 | 2022-01-04 | 中国石油化工股份有限公司 | Mixed system containing fatty acid type surfactant and preparation method thereof |
| DE102020007520A1 (en) | 2020-12-09 | 2022-06-09 | Ovidiu Dicoi | Modified structured, free-flowing detergents and cleaning agents |
| CN114702612A (en) * | 2022-04-19 | 2022-07-05 | 陕西科技大学 | Preparation method of polycarboxylate copolymer builder |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1303810A (en) † | 1969-05-02 | 1973-01-24 | ||
| GB1590445A (en) † | 1976-11-01 | 1981-06-03 | Unilever Ltd | Enzymatic liquid composition |
| EP0043327B1 (en) † | 1980-07-01 | 1984-01-18 | L'oreal | Process for obtaining stable dispersions in an aqueous phase of at least a water immiscible liquid phase, and corresponding dispersions |
| MX167884B (en) † | 1983-12-22 | 1993-04-20 | Albright & Wilson | LIQUID DETERGENT COMPOSITION |
| GB8813978D0 (en) † | 1988-06-13 | 1988-07-20 | Unilever Plc | Liquid detergents |
| GB8927729D0 (en) * | 1989-12-07 | 1990-02-07 | Unilever Plc | Liquid detergents |
| US5168325A (en) * | 1990-02-28 | 1992-12-01 | Board Of Control Of Michigan Technological University | Interferometric measurement of glucose by refractive index determination |
| IL97805A (en) † | 1990-04-10 | 1995-01-24 | Albright & Wilson | Concentrated aqueous surfactant compositions |
| US5672580A (en) * | 1990-04-25 | 1997-09-30 | Lever Brothers Company, Division Of Conopco, Inc. | Liquid detergent compositions |
| US5091111A (en) † | 1990-09-19 | 1992-02-25 | S. C. Johnson & Son, Inc. | Aqueous emulsion and aersol delivery system using same |
| SK53294A3 (en) † | 1993-05-07 | 1995-04-12 | Albright & Wilson | Concentrated aqueous mixture containing surface active matter and its use |
| US5415801A (en) † | 1993-08-27 | 1995-05-16 | The Procter & Gamble Company | Concentrated light duty liquid or gel dishwashing detergent compositions containing sugar |
| GB9711849D0 (en) * | 1997-06-06 | 1997-08-06 | Unilever Plc | Polymeric materials |
-
1999
- 1999-11-30 AT AT99961040T patent/ATE250121T1/en not_active IP Right Cessation
- 1999-11-30 DE DE69911463T patent/DE69911463T3/en not_active Expired - Lifetime
- 1999-11-30 BR BR9916258-0A patent/BR9916258A/en not_active Application Discontinuation
- 1999-11-30 HU HU0104815A patent/HUP0104815A3/en unknown
- 1999-11-30 TR TR2001/01708T patent/TR200101708T2/en unknown
- 1999-11-30 AU AU17792/00A patent/AU767826B2/en not_active Ceased
- 1999-11-30 WO PCT/EP1999/009377 patent/WO2000036079A1/en active IP Right Grant
- 1999-11-30 ES ES99961040T patent/ES2207311T5/en not_active Expired - Lifetime
- 1999-11-30 CA CA002355059A patent/CA2355059A1/en not_active Abandoned
- 1999-11-30 CN CN99814417.7A patent/CN1198916C/en not_active Expired - Fee Related
- 1999-11-30 EP EP99961040A patent/EP1141221B2/en not_active Expired - Lifetime
- 1999-12-15 AR ARP990106397A patent/AR021683A1/en unknown
-
2000
- 2000-02-21 TW TW089102983A patent/TW526266B/en not_active IP Right Cessation
-
2001
- 2001-05-17 ZA ZA200104025A patent/ZA200104025B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN1198916C (en) | 2005-04-27 |
| BR9916258A (en) | 2001-10-02 |
| EP1141221A1 (en) | 2001-10-10 |
| ES2207311T3 (en) | 2004-05-16 |
| HUP0104815A2 (en) | 2002-04-29 |
| CN1330710A (en) | 2002-01-09 |
| TW526266B (en) | 2003-04-01 |
| EP1141221B2 (en) | 2011-11-30 |
| EP1141221B1 (en) | 2003-09-17 |
| AR021683A1 (en) | 2002-07-31 |
| ES2207311T5 (en) | 2012-02-20 |
| AU1779200A (en) | 2000-07-03 |
| WO2000036079A1 (en) | 2000-06-22 |
| DE69911463D1 (en) | 2003-10-23 |
| HUP0104815A3 (en) | 2002-12-28 |
| CA2355059A1 (en) | 2000-06-22 |
| AU767826B2 (en) | 2003-11-27 |
| ATE250121T1 (en) | 2003-10-15 |
| DE69911463T2 (en) | 2004-04-01 |
| TR200101708T2 (en) | 2001-12-21 |
| DE69911463T3 (en) | 2012-03-29 |
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