EP0700427B2 - Detergent compositions - Google Patents
Detergent compositions Download PDFInfo
- Publication number
- EP0700427B2 EP0700427B2 EP94915116A EP94915116A EP0700427B2 EP 0700427 B2 EP0700427 B2 EP 0700427B2 EP 94915116 A EP94915116 A EP 94915116A EP 94915116 A EP94915116 A EP 94915116A EP 0700427 B2 EP0700427 B2 EP 0700427B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- powder
- composition
- nonionic surfactant
- surfactant
- detergent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
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
- C11D3/20—Organic compounds containing oxygen
- C11D3/2075—Carboxylic acids-salts thereof
- C11D3/2086—Hydroxy carboxylic acids-salts thereof
-
- 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/72—Ethers of polyoxyalkylene glycols
-
- 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/83—Mixtures of non-ionic with anionic compounds
-
- 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
- C11D17/06—Powder; Flakes; Free-flowing mixtures; Sheets
- C11D17/065—High-density particulate detergent compositions
-
- 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
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/12—Water-insoluble compounds
- C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
- C11D3/1246—Silicates, e.g. diatomaceous earth
- C11D3/128—Aluminium silicates, e.g. zeolites
-
- 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
- C11D1/146—Sulfuric acid esters
-
- 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
Definitions
- the present invention relates to particulate detergent compositions of high bulk density containing anionic and nonionic surfactants and zeolite builder.
- EP 544 492A discloses detergent powders of high bulk density comprising an organic surfactant system (ethoxylated nonionic surfactant plus primary alcohol sulphate), zeolite builder, and other optional ingredients.
- the ethoxylated nonionic surfactant which is the predominant component (at least 60 wt%) of the surfactant system, has a degree of ethoxylation not exceeding 6.5, preferably from 3 to 6.5 and more preferably from 4 to 5.5.
- This high-performance surfactant system gives excellent detergency, and the use of relatively high levels of zeolite allows the formulation of free-flowing powders containing high levels of these mobile surfactants.
- compositions are representative of the recent trend towards powders of high bulk density, prepared by processes that eliminate, or do not introduce, the porosity typical of traditional spray-dried powders. These include post-tower densification of spray-dried powders, and, more preferably, wholly non-tower routes involving dry-mixing, agglomeration, granulation and similar processes.
- Delivery is a two-step process: the first step is the dispensing of the powder into the wash liquor, either from the dispenser drawer of the washing machine or from a dispensing device (a wash ball or similar) supplied by the powder manufacturer; and the second is dissolution of the powder once it arrives in the wash water.
- Citrates are well known as detergency builders used to supplement zeolites. Their use in zeolite-built powders is disclosed, for example, in EP 313 143A, EP 313 144A, EP 448 297A and EP 448 298A (Unilever); GB-A-1 408 678, EP 1310A, EP 1853B, EP 326 208A, EP 456 315A and WO 91 15566A (Procter & Gamble); DE 2 336 182C (Lion); and GB 2 095 274B (Colgate).
- EP-A-0508034 discloses a granular detergent composition which is characterised by containing polyvinylpyrrolidone to give good dye transfer-inhibition effects without impairment of particulate soil removal. It is mentioned that citric acid may be used as a carboxylate chelating agent.
- EP-A-0508358 relates to a laundry detergent composition characterised by containing an alkaline cellulase and polyvinylpyrrolidone. Citrates may be used as builder.
- the present invention accordingly provides a particulate detergent composition which is not the direct product of a spray-drying process, the composition having a bulk density of at least 650 g/l and comprising:
- the high bulk density particulate detergent compositions of the invention contain as essential ingredients:
- Test 1 cage test
- a 50 g powder sample was introduced into the cylindrical vessel which was then closed.
- the vessel was attached to the agitator arm which was then moved down to a position such that the top of the cylindrical vessel was just below the surface of the water. After a 10 second delay, the apparatus was operated for 15 rotation/rest cycles.
- the cylindrical vessel and handle were removed from the water and and the vessel detached from the handle. Surface water was carefully poured off, and any powder residues transferred to a preweighed container and dried for 24 hours at 100°C. The weight of dried residue as a percentage of the initial powder weight (50 g) was then calculated.
- Test 2 delivery device test
- the delivery device was attached in an upright position (opening uppermost) to an agitator arm positioned above water.
- the device could be moved vertically up and down through a distance of 30 cm, the lowest 5 cm of this travel being under water.
- Each up or down journey had a duration of 2 seconds, the device being allowed to rest 5 cm under water for 4 seconds at the lowest position, and at the highest position being rotated through 100° and allowed to rest in the resulting tilted orientation for 2 seconds before redescending. 5 litres of water at a temperature of 20°C were used.
- a preweighed powder sample was introduced into the device in its highest position, and the apparatus then allowed to operate for six cycles and stopped when the device was again in its highest position. Surface water was carefully poured off, and any powder residues transferred to a preweighed container. The container was then dried at 100°C for 24 hours, and the weight of dried residue as a percentage of the initial powder weight calculated.
- Test 3 black pillowcase test
- a washing machine test was also used to determine the extent that insoluble residues were deposited on washed articles.
- the machine used was a Siemens Siwamat (Trade Mark) Plus 3700 front-loading automatic washer.
- a 100 g dose of powder was placed in a flexible delivery device as described previously.
- the delivery device was placed inside a black cotton pillowcase having dimensions of 30 cm by 60 cm, taking care to keep it upright, and the pillowcase was then closed by means of a zip fastener.
- the pillowcase containing the (upright) delivery device was then placed on top of a 3.5 kg dry cotton washload in the drum of the washing machine.
- the machine was operated on the "heavy duty cycle" at a wash temperature of 40°C, using water of 15° French hardness and an inlet temperature of 20°C.
- the pillowcase was removed, opened and turned inside out, and the level of powder residues on its inside surfaces determined by visual assessment using a scoring system of 1 to 5: a score of 5 corresponds to a residue of approximately 75 wt% of the powder, while 1 indicates no residue.
- a panel of five assessors was used to judge each pillowcase and allot a score. With each powder the wash process was carried out ten times and the scores were averaged over the ten repeats.
- detergent powders of high bulk density were prepared to the formulations shown in Table 2.
- Base powders were prepared using a continuous high-speed mixer/granulator, and other ingredients were postdosed as shown.
- the sodium citrate, where present, was postdosed as particulate sodium citrate dihydrate having an average particle size of about 800 ⁇ m.
- Comparative Example A and Example 1 contained sodium citrate; Comparative Example A contained 7EO and 3EO nonionic surfactants, while Example 1 was a similar formulation containing only 7EO nonionic surfactant to the same total level. Comparative Examples B and C were two similar compositions containing no sodium citrate.
- Table 3 shows the powder properties and delivery characteristics of the powders. Comparison of Examples A and 1 shows that changing the nonionic surfactant to an all-7EO system in a citrate-containing formulation substantially improved delivery characteristics. Comparison of Examples B and C showed that no such improvement was observed when citrate was absent.
- composition was prepared having a formulation corresponding to that of Example 1 but containing the following surfactant system: CocoPAS 6.37 Nonionic 7EO 8.65 (60%) Nonionic 3EO 5.77 (40%)
- composition gave zero residues when dosed via the dispenser drawer of three different automatic washing machines (Phillips, Zanussi, Siemens).
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)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB939310823A GB9310823D0 (en) | 1993-05-26 | 1993-05-26 | Detergent compositions |
GB9310823 | 1993-05-26 | ||
GB9313857 | 1993-07-05 | ||
GB939313857A GB9313857D0 (en) | 1993-05-26 | 1993-07-05 | Detergent compositions |
GB9324127 | 1993-11-24 | ||
GB939324127A GB9324127D0 (en) | 1993-05-26 | 1993-11-24 | Detergent compositions |
PCT/EP1994/001292 WO1994028098A1 (en) | 1993-05-26 | 1994-04-26 | Detergent compositions |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0700427A1 EP0700427A1 (en) | 1996-03-13 |
EP0700427B1 EP0700427B1 (en) | 1997-09-17 |
EP0700427B2 true EP0700427B2 (en) | 2005-08-10 |
Family
ID=27266699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94915116A Expired - Lifetime EP0700427B2 (en) | 1993-05-26 | 1994-04-26 | Detergent compositions |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0700427B2 (hu) |
JP (1) | JPH08511568A (hu) |
AU (1) | AU6648594A (hu) |
CZ (1) | CZ309995A3 (hu) |
DE (1) | DE69405735T3 (hu) |
ES (1) | ES2107218T5 (hu) |
HU (1) | HUT74019A (hu) |
PL (1) | PL311749A1 (hu) |
SK (1) | SK144695A3 (hu) |
WO (1) | WO1994028098A1 (hu) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9324129D0 (en) * | 1993-11-24 | 1994-01-12 | Unilever Plc | Detergent compositions and process for preparing them |
HU219203B (en) * | 1993-11-24 | 2001-03-28 | Unilever Nv | Particulate detergent composition and process for producing thereof |
WO1999010471A1 (de) * | 1997-08-25 | 1999-03-04 | Cognis Deutschland Gmbh | Feste waschmittel enthaltend fettsäurepolyglycolestersulfate und feste builder |
DE19807807A1 (de) * | 1998-02-26 | 1999-09-02 | Henkel Kgaa | Pulverförmiges bis granulares Wasch- und Reinigungsmittel |
EP4077615A1 (en) * | 2019-12-18 | 2022-10-26 | Basf Se | Powders and granules and process for making such powders and granules |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4661452A (en) † | 1984-05-29 | 1987-04-28 | Novo Industri A/S | Enzyme containing granulates useful as detergent additives |
EP0349201A2 (en) † | 1988-06-29 | 1990-01-03 | The Procter & Gamble Company | Detergent granules from cold dough using fine dispersion granulation |
EP0420317A1 (en) † | 1989-09-29 | 1991-04-03 | Unilever N.V. | Process for preparing high bulk density detergent compositions |
WO1991015566A1 (en) † | 1990-04-03 | 1991-10-17 | The Procter & Gamble Company | Fabric cleaning process |
WO1992006151A1 (en) † | 1990-09-28 | 1992-04-16 | The Procter & Gamble Company | Polyhydroxy fatty acid amides in zeolite/layered silicate built detergents |
WO1992013798A1 (en) † | 1991-02-06 | 1992-08-20 | The Procter & Gamble Company | Peroxyacid bleach precursor compositions |
EP0534525A2 (en) † | 1991-09-27 | 1993-03-31 | Unilever N.V. | Detergent powders and process for preparing them |
WO1994014951A1 (en) † | 1992-12-23 | 1994-07-07 | Novo Nordisk A/S | Recombinant lipase and alpha-amylase variants |
EP0509787B1 (en) † | 1991-04-17 | 1995-02-01 | Unilever Plc | Concentrated detergent powder compositions |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0448297A1 (en) * | 1990-03-19 | 1991-09-25 | Unilever Plc | Detergent compositions |
EP0508034B1 (en) * | 1991-04-12 | 1996-02-28 | The Procter & Gamble Company | Compact detergent composition containing polyvinylpyrrolidone |
ES2083560T3 (es) * | 1991-04-12 | 1996-04-16 | Procter & Gamble | Composicion detergente compacta que contiene polivinilpirrolidona. |
-
1994
- 1994-04-26 HU HU9503374A patent/HUT74019A/hu unknown
- 1994-04-26 SK SK1446-95A patent/SK144695A3/sk unknown
- 1994-04-26 AU AU66485/94A patent/AU6648594A/en not_active Abandoned
- 1994-04-26 WO PCT/EP1994/001292 patent/WO1994028098A1/en not_active Application Discontinuation
- 1994-04-26 ES ES94915116T patent/ES2107218T5/es not_active Expired - Lifetime
- 1994-04-26 PL PL31174994A patent/PL311749A1/xx unknown
- 1994-04-26 JP JP7500144A patent/JPH08511568A/ja active Pending
- 1994-04-26 DE DE69405735T patent/DE69405735T3/de not_active Expired - Fee Related
- 1994-04-26 CZ CZ953099A patent/CZ309995A3/cs unknown
- 1994-04-26 EP EP94915116A patent/EP0700427B2/en not_active Expired - Lifetime
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4661452A (en) † | 1984-05-29 | 1987-04-28 | Novo Industri A/S | Enzyme containing granulates useful as detergent additives |
EP0349201A2 (en) † | 1988-06-29 | 1990-01-03 | The Procter & Gamble Company | Detergent granules from cold dough using fine dispersion granulation |
EP0420317A1 (en) † | 1989-09-29 | 1991-04-03 | Unilever N.V. | Process for preparing high bulk density detergent compositions |
WO1991015566A1 (en) † | 1990-04-03 | 1991-10-17 | The Procter & Gamble Company | Fabric cleaning process |
WO1992006151A1 (en) † | 1990-09-28 | 1992-04-16 | The Procter & Gamble Company | Polyhydroxy fatty acid amides in zeolite/layered silicate built detergents |
WO1992013798A1 (en) † | 1991-02-06 | 1992-08-20 | The Procter & Gamble Company | Peroxyacid bleach precursor compositions |
EP0509787B1 (en) † | 1991-04-17 | 1995-02-01 | Unilever Plc | Concentrated detergent powder compositions |
EP0534525A2 (en) † | 1991-09-27 | 1993-03-31 | Unilever N.V. | Detergent powders and process for preparing them |
WO1994014951A1 (en) † | 1992-12-23 | 1994-07-07 | Novo Nordisk A/S | Recombinant lipase and alpha-amylase variants |
Non-Patent Citations (1)
Title |
---|
ANDREE H. et al.: "Possibilities of Combining Zeolite A with Different Co-Builders".pp. 148-152, American Chemists Society, 1987, 2nd World Conference on Detergent. † |
Also Published As
Publication number | Publication date |
---|---|
HU9503374D0 (en) | 1996-01-29 |
SK144695A3 (en) | 1996-04-03 |
DE69405735T2 (de) | 1998-01-08 |
DE69405735T3 (de) | 2006-05-18 |
ES2107218T5 (es) | 2006-02-16 |
PL311749A1 (en) | 1996-03-18 |
ES2107218T3 (es) | 1997-11-16 |
HUT74019A (en) | 1996-10-28 |
WO1994028098A1 (en) | 1994-12-08 |
DE69405735D1 (de) | 1997-10-23 |
JPH08511568A (ja) | 1996-12-03 |
EP0700427A1 (en) | 1996-03-13 |
EP0700427B1 (en) | 1997-09-17 |
AU6648594A (en) | 1994-12-20 |
CZ309995A3 (en) | 1996-05-15 |
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