WO2006099964A1 - Soluble speckle granule - Google Patents
Soluble speckle granule Download PDFInfo
- Publication number
- WO2006099964A1 WO2006099964A1 PCT/EP2006/002302 EP2006002302W WO2006099964A1 WO 2006099964 A1 WO2006099964 A1 WO 2006099964A1 EP 2006002302 W EP2006002302 W EP 2006002302W WO 2006099964 A1 WO2006099964 A1 WO 2006099964A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- granule
- speckle
- mica
- speckle granule
- clay
- 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.)
- Ceased
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
- C11D3/40—Dyes ; Pigments
-
- 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
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0063—Photo- activating 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
- 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
- C11D3/1253—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite
- C11D3/126—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite in solid 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
Definitions
- the present invention relates to a soluble speckle granule for use in granular detergent compositions .
- Particulate detergent compositions may contain coloured speckles. This may be achieved by adding coloured dyes. However, such dyes may cause stains on fabrics being washed. Speckles may alternatively contain pigments such as copper phthalocyanine . Although chosen for their poor fabric substantivity, pigments may nevertheless stain some fabrics and may be environmentally unsound.
- WO 00 61718 suggests that the problems associated with use of dyes, particularly aqueous dyes, can be overcome by use of a coating of particles that reflect light.
- Mica or titanium dioxide coated granules are described.
- the exemplified base granules may be sodium citrate dihydrate, sodium carbonate or sodium sulphate.
- the coated granule may be formed by dusting a particulate material with the light reflecting component and then optionally applying binding material to the dusted particle. It is stated that the alternative process of mixing the light reflecting material with the base ingredients is less preferred because then only a part of the light reflecting material will be at the surface of the particle.
- WO 00 27980 discloses a cleaning composition speckle particle which comprises a solid material which is coloured with a colorant, the particle having a sparkle index of at least 5%, and a transparency index of at least 5%.
- the speckle particle preferably comprises a crystalline hydrated inorganic salt, a crystalline organic acid salt, a crystalline organic salt, a crystalline surfactant, a saccharide, or mixtures thereof. It is particularly preferred that the particle comprises trisodium citrate dihydrate, most preferably coloured with a dye.
- Other ingredients commonly employed in detergent compositions that are crystalline materials, such as crystalline silicate, including crystalline layered silicate may also be useful, according to this disclosure.
- a soluble speckle granule comprising at least one clay mineral carrier material coated in mica particles.
- the granule comprises from 0.5 to 1.5 wt% mica.
- the speckle granule preferably has an average particle size of from 0.8 mm to 3.0 mm. More preferably, it has an average particle size of from 1.0 mm to 2.0 mm.
- a soluble builder salt admixed with the clay in the granule.
- the preferred material is sodium tripolyphosphate (STP) and it is preferably mixed with the clay mineral in a ratio clay: STP from 1:2 to 5:1, most preferably about 1:1.
- STP sodium tripolyphosphate
- the clay mineral carrier is preferably one or more clays selected from bi-layer clays (e.g. china clay and halloysite) which may be dioctahedral clays (such as kaolin) or trioctahedral clays (such as antigorite and amesite) ; tri -layer clays such as smectite and hormite, bentonite, beidelite, nontronite, hectorite, attapulgite, pimelite, mica, muscovite and vermiculite as well as pyrophyllite/ talc, willemseite and minnesotaite clays.
- a preferred class of clays is the bentonites.
- the clay should be capable of providing a benefit in the wash.
- the clay is chosen from the class of clays that will give a fabric softening benefit.
- the particle size of the clay preferably lies in the range 1 to 2 mm. However, it is an aid to dispersion if lower swelling clay swelling is used, especially if the amount of STP is reduced or absent; a swelling of 20 ml or less is preferred in this case .
- Finely divided mica pigment material may be used as the Mica Particles.
- the mica is coated. More preferably, it is coated with a very thin layer of titanium dioxide. Most preferably, it is coated with a mixture of titanium dioxide and iron oxide to give a gold lustre.
- Suitable titanium coated pigments are available from Merck as Timiron MP 115 and as Iriodin ® 300 with the additional iron oxide coating. Suitable pigments have a particle size of from 10 to 60 microns.
- Anhydrous Sodium Tripolyphosphate is preferred.
- a standard grade of the usual particle size for detergent formulations is suitable.
- the speckle granule may have a water-soluble polymeric coating.
- the coating may be polyvinyl alcohol or microcrystalline cellulose.
- microcrystalline cellulose is preferred for granules with low levels of STP or no STP and polyvinyl alcohol is preferred when STP is used at the optimum amount. This selection gives the required combination of fast dispersion and good coating adhesion.
- the polymeric coating seeps into the pores of the clay carrier and anchors itself onto the surface of the speckle .
- the dry ingredients are preblended for about one minute. This includes the mica pigment, the bentonite clay, and the soluble STP builder salt.
- a double cone mixer with multiple spay heads has been found to be ideal for the process.
- the optional coating material or water is sprayed at pressure onto the particles for about 25 minutes in a dilute solution and the mixture is then further mixed for a few minutes to obtain the speckle granules.
- the speckle granule may be combined in any amount with any of the granular ingredients normally found in granular laundry detergent cleaning compositions .
- it is used at a level of 1 to 4 % by weight, preferably 1.5 to 3 % by weight in the detergent powder composition. This is particularly useful if the clay is a softening type of clay, so that it provides a benefit to the fabric.
- Bentonite in particulate form with particle sizes ranging from 1.0 to 2.0 mm was obtained from Bentonit Uniao as Pelben 10 (Examples 5 and 7) or Pelben 35.
- Pelben 10 has a swelling of 10 ml whereas Pelben 35 has a swelling of 35 ml plus.
- Coating A was microcrystalline cellulose and Coating B was polyvinyl alcohol. Their compositions are detailed in table 2.
- the process is controlled so that the speckle granules produced have substantially the same particle size as the original Bentonite granules.
- the dispersal times for granules without STP are too long to be of practical use in some wash processes, especially after they have been coated so that the mica did not rub off the surface during subsequent manual handling. Since it is often necessary to use such a coating to avoid the coating rubbing off and thereby rendering the granule indistinct and unsuitable for use as a speckle, it is clearly advantageous to use STP in the speckle granule.
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)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0717486A GB2441444B (en) | 2005-03-22 | 2006-03-13 | Detergent composition comprising soluble speckle granule |
| CN200680009170XA CN101146904B (en) | 2005-03-22 | 2006-03-13 | Soluble speckle granule |
| BRPI0609708A BRPI0609708B8 (en) | 2005-03-22 | 2006-03-13 | use of a soluble splash granule in a particulate laundry detergent composition |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0505778.1 | 2005-03-22 | ||
| GBGB0505778.1A GB0505778D0 (en) | 2005-03-22 | 2005-03-22 | Soluble speckle granule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006099964A1 true WO2006099964A1 (en) | 2006-09-28 |
Family
ID=34531601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2006/002302 Ceased WO2006099964A1 (en) | 2005-03-22 | 2006-03-13 | Soluble speckle granule |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN101146904B (en) |
| BR (1) | BRPI0609708B8 (en) |
| GB (2) | GB0505778D0 (en) |
| WO (1) | WO2006099964A1 (en) |
| ZA (1) | ZA200707937B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011028249A1 (en) | 2009-08-25 | 2011-03-10 | Milliken & Company | Colored speckles |
| WO2011149871A1 (en) | 2010-05-28 | 2011-12-01 | Milliken & Company | Colored speckles having delayed release properties |
| US8470760B2 (en) | 2010-05-28 | 2013-06-25 | Milliken 7 Company | Colored speckles for use in granular detergents |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000061718A1 (en) * | 1999-04-13 | 2000-10-19 | The Procter & Gamble Company | Light reflecting particles |
| WO2001077274A1 (en) * | 2000-04-05 | 2001-10-18 | The Procter & Gamble Company | Speckled detergent composition |
| US20030087790A1 (en) * | 2001-08-20 | 2003-05-08 | Unilever Home & Personal Care Usa, Division Of Conopco, Inc. | Photobleach speckle and laundry detergent compositions containing it |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071452A (en) * | 1991-10-17 | 1993-04-28 | 王学波 | Detergent mixture and its production and use |
| US6770609B1 (en) * | 1999-04-13 | 2004-08-03 | Procter & Gamble Company | Light reflecting particles |
-
2005
- 2005-03-22 GB GBGB0505778.1A patent/GB0505778D0/en not_active Ceased
-
2006
- 2006-03-13 WO PCT/EP2006/002302 patent/WO2006099964A1/en not_active Ceased
- 2006-03-13 ZA ZA200707937A patent/ZA200707937B/en unknown
- 2006-03-13 BR BRPI0609708A patent/BRPI0609708B8/en not_active IP Right Cessation
- 2006-03-13 GB GB0717486A patent/GB2441444B/en not_active Expired - Fee Related
- 2006-03-13 CN CN200680009170XA patent/CN101146904B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000061718A1 (en) * | 1999-04-13 | 2000-10-19 | The Procter & Gamble Company | Light reflecting particles |
| WO2001077274A1 (en) * | 2000-04-05 | 2001-10-18 | The Procter & Gamble Company | Speckled detergent composition |
| US20030087790A1 (en) * | 2001-08-20 | 2003-05-08 | Unilever Home & Personal Care Usa, Division Of Conopco, Inc. | Photobleach speckle and laundry detergent compositions containing it |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011028249A1 (en) | 2009-08-25 | 2011-03-10 | Milliken & Company | Colored speckles |
| US8318652B2 (en) | 2009-08-25 | 2012-11-27 | Milliken & Company | Colored speckles comprising a porous carrier and a releasing agent layer |
| WO2011149871A1 (en) | 2010-05-28 | 2011-12-01 | Milliken & Company | Colored speckles having delayed release properties |
| US8470760B2 (en) | 2010-05-28 | 2013-06-25 | Milliken 7 Company | Colored speckles for use in granular detergents |
| US8476216B2 (en) | 2010-05-28 | 2013-07-02 | Milliken & Company | Colored speckles having delayed release properties |
| US8921301B2 (en) | 2010-05-28 | 2014-12-30 | Milliken & Company | Colored speckles for use in granular detergents |
| US11649417B2 (en) | 2010-05-28 | 2023-05-16 | Milliken & Company | Colored speckles for use in granular detergents |
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0609708B8 (en) | 2016-11-16 |
| BRPI0609708A2 (en) | 2011-10-18 |
| GB0505778D0 (en) | 2005-04-27 |
| ZA200707937B (en) | 2009-06-24 |
| BRPI0609708B1 (en) | 2016-10-18 |
| GB2441444B (en) | 2010-03-10 |
| CN101146904A (en) | 2008-03-19 |
| GB2441444A8 (en) | 2008-03-06 |
| CN101146904B (en) | 2011-02-09 |
| GB0717486D0 (en) | 2007-10-17 |
| GB2441444A (en) | 2008-03-05 |
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| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
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