WO2010069718A1 - Solid builder composition - Google Patents
Solid builder composition Download PDFInfo
- Publication number
- WO2010069718A1 WO2010069718A1 PCT/EP2009/065711 EP2009065711W WO2010069718A1 WO 2010069718 A1 WO2010069718 A1 WO 2010069718A1 EP 2009065711 W EP2009065711 W EP 2009065711W WO 2010069718 A1 WO2010069718 A1 WO 2010069718A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- soap
- weight
- composition
- builder
- detergent composition
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 115
- 239000007787 solid Substances 0.000 title claims abstract description 14
- 239000000344 soap Substances 0.000 claims abstract description 93
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 32
- 239000002245 particle Substances 0.000 claims abstract description 31
- 230000000717 retained effect Effects 0.000 claims abstract description 16
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 15
- 229910000288 alkali metal carbonate Inorganic materials 0.000 claims abstract description 9
- 150000008041 alkali metal carbonates Chemical class 0.000 claims abstract description 9
- 229910052910 alkali metal silicate Inorganic materials 0.000 claims abstract description 8
- 239000003599 detergent Substances 0.000 claims description 31
- QJRVOJKLQNSNDB-UHFFFAOYSA-N 4-dodecan-3-ylbenzenesulfonic acid Chemical compound CCCCCCCCCC(CC)C1=CC=C(S(O)(=O)=O)C=C1 QJRVOJKLQNSNDB-UHFFFAOYSA-N 0.000 claims description 22
- 239000004094 surface-active agent Substances 0.000 claims description 17
- 239000013042 solid detergent Substances 0.000 claims description 16
- -1 alkyl sulfuric acid Chemical compound 0.000 claims description 12
- 150000003839 salts Chemical group 0.000 claims description 7
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 6
- 239000003945 anionic surfactant Substances 0.000 claims description 6
- 239000000920 calcium hydroxide Substances 0.000 claims description 6
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000292 calcium oxide Substances 0.000 claims description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 3
- 239000004711 α-olefin Substances 0.000 claims description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 26
- 239000004744 fabric Substances 0.000 description 18
- 239000008187 granular material Substances 0.000 description 18
- 239000004115 Sodium Silicate Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 14
- 238000004140 cleaning Methods 0.000 description 13
- 238000002156 mixing Methods 0.000 description 13
- 229910000029 sodium carbonate Inorganic materials 0.000 description 13
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 13
- 229910052911 sodium silicate Inorganic materials 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 12
- 159000000003 magnesium salts Chemical group 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 239000004615 ingredient Substances 0.000 description 9
- 150000002500 ions Chemical class 0.000 description 6
- 229910021532 Calcite Inorganic materials 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 239000008233 hard water Substances 0.000 description 5
- 230000003472 neutralizing effect Effects 0.000 description 5
- 235000019795 sodium metasilicate Nutrition 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 159000000000 sodium salts Chemical class 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 229910001424 calcium ion Inorganic materials 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
- 229910001425 magnesium ion Inorganic materials 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- BTURAGWYSMTVOW-UHFFFAOYSA-M sodium dodecanoate Chemical compound [Na+].CCCCCCCCCCCC([O-])=O BTURAGWYSMTVOW-UHFFFAOYSA-M 0.000 description 3
- 229940082004 sodium laurate Drugs 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- KEZYHIPQRGTUDU-UHFFFAOYSA-N 2-[dithiocarboxy(methyl)amino]acetic acid Chemical compound SC(=S)N(C)CC(O)=O KEZYHIPQRGTUDU-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 150000004996 alkyl benzenes Chemical class 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 229940077388 benzenesulfonate Drugs 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 2
- 239000001095 magnesium carbonate Substances 0.000 description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 2
- 150000004686 pentahydrates Chemical class 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 229940045870 sodium palmitate Drugs 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- GGXKEBACDBNFAF-UHFFFAOYSA-M sodium;hexadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCC([O-])=O GGXKEBACDBNFAF-UHFFFAOYSA-M 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000012085 test solution Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 239000004111 Potassium silicate Substances 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
- VYTBPJNGNGMRFH-UHFFFAOYSA-N acetic acid;azane Chemical compound N.N.CC(O)=O.CC(O)=O.CC(O)=O.CC(O)=O VYTBPJNGNGMRFH-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical group 0.000 description 1
- ZRBROGSAUIUIJE-UHFFFAOYSA-N azanium;azane;chloride Chemical compound N.[NH4+].[Cl-] ZRBROGSAUIUIJE-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 229910052913 potassium silicate Inorganic materials 0.000 description 1
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229960005480 sodium caprylate Drugs 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229940045845 sodium myristate Drugs 0.000 description 1
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 description 1
- BYKRNSHANADUFY-UHFFFAOYSA-M sodium octanoate Chemical compound [Na+].CCCCCCCC([O-])=O BYKRNSHANADUFY-UHFFFAOYSA-M 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- PHIQPXBZDGYJOG-UHFFFAOYSA-N sodium silicate nonahydrate Chemical compound O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-][Si]([O-])=O PHIQPXBZDGYJOG-UHFFFAOYSA-N 0.000 description 1
- 235000019351 sodium silicates Nutrition 0.000 description 1
- 229940080350 sodium stearate Drugs 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- JUQGWKYSEXPRGL-UHFFFAOYSA-M sodium;tetradecanoate Chemical compound [Na+].CCCCCCCCCCCCCC([O-])=O JUQGWKYSEXPRGL-UHFFFAOYSA-M 0.000 description 1
- 239000000126 substance 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
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/10—Carbonates ; Bicarbonates
-
- 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
- C11D1/04—Carboxylic acids or 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
- C11D10/00—Compositions of detergents, not provided for by one single preceding group
- C11D10/04—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap
-
- 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
- C11D10/00—Compositions of detergents, not provided for by one single preceding group
- C11D10/04—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap
- C11D10/042—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap based on anionic surface-active compounds and soap
-
- 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
- C11D3/04—Water-soluble compounds
- C11D3/08—Silicates
-
- 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
- C11D3/1233—Carbonates, e.g. calcite or dolomite
-
- 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
- C11D1/143—Sulfonic 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
- C11D1/14—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 a solid builder composition and a solid detergent composition comprising the same.
- Water hardness due to presence of calcium and magnesium ions in water, is known to cause deterioration in cleaning efficacy of fabrics.
- Use of builders to reduce water hardness and consequently to improve cleaning efficacy is also known.
- a builder composition comprising sodium carbonate and calcium carbonate is known to be effective in reducing water hardness and improve cleaning efficacy.
- the kinetics of water hardness reduction is relatively slow.
- the concentration of hardness ions that can be achieved by use of builder compositions of the prior art is relatively high. When such builder compositions are incorporated in detergent compositions, relatively higher concentration of hardness ions coupled with slower kinetics leads to depletion of soluble form of surfactant and consequent reduction in cleaning efficacy.
- a builder composition comprising alkali metal carbonate, calcium carbonate, alkali metal silicate, and soap particles of specific size and specific composition provide relatively faster building kinetics and allow attainment of relatively low hardness ion concentration and that incorporation of the inventive builder composition in a detergent composition provides relatively higher fabric cleaning efficacy in hard water.
- EP-A-0234818 describes some examples of a detergent composition
- a detergent composition comprising non- soap anionic detergent, nonionic detergent, sodium carbonate, calcite, sodium silicate and soap.
- the slurry comprising all the ingredients except sodium silicate was spray dried to prepare the spray-dried base powder.
- GB-1424406 describes composition comprising sodium carbonate, soap, calcium carbonate, sodium silicate, and alkyl benzene sulfonate. Soap, alkyl benzene sulfonate, sodium silicate and sodium sulfate were admixed and compacted to form granules.
- EP-A-0267042 describes some examples of a detergent composition comprising non- soap anionic detergent, nonionic detergent, sodium carbonate, calcite, sodium silicate and soap.
- the slurry comprising all the ingredients was spray dried to prepare the base powder.
- One of the objects of the present invention is to provide a builder composition that provides relatively fast building kinetics.
- a further object of the present invention is to provide a builder composition that allows attainment of relatively low hardness ion concentration.
- Yet another object of the present invention is to provide a detergent composition that provides relatively higher fabric cleaning efficacy in hard water.
- a solid builder composition comprising:
- soap characterized in that the soap is in form of particles comprising at least 50% by weight soap and in that at least 80% by weight of the soap particles are retained on sieve of 70 mesh.
- a solid detergent composition comprising the builder composition of the first aspect and a non-soap surfactant.
- the builder composition of the present invention is in solid form, and preferably in form of solid particles.
- the solid particles may be in form of a powder or granules.
- the alkali metal carbonate is present at a level of 5 to 70%, preferably 10 to 60% and most preferably 15 to 50 % by weight of the builder composition.
- the % by weight alkali metal carbonate is on anhydrous basis.
- Alkali metal carbonate is preferably selected from sodium carbonate or potassium carbonate. More preferably, the alkali metal carbonate is sodium carbonate.
- the alkali metal silicate is preferably sodium silicate or potassium silicate, more preferably sodium silicate.
- Sodium silicate is a colorless compound of oxides of sodium and silica. It has a range of chemical formula varying in sodium oxide (Na2 ⁇ ) and silicon dioxide or silica (Si ⁇ 2) contents. It is soluble in water and it is prepared by reacting silica (sand) and sodium carbonate at a high temperature ranging from 1200 to 1400 0 C.
- sodium metasilicate available sodium metasilicate is preferred. Both sodium metasilicate pentahydrate as well as sodium metasilicate nonahydrate can be used although sodium metasilicate pentahydrate is preferred as it dissolves faster.
- the alkali metal silicate is present at a level of 1 to 40%, preferably 2 to 35% and most preferably 5 to 30% by weight of the builder composition. The % by weight alkali metal silicate is on anhydrous basis.
- Crystal form of calcium carbonate may be calcite, vaterite or aragonite, with calcite being the most preferable crystal form.
- the calcium carbonate has a surface area greater than 18 m 2 /g, more preferably greater than 30 m 2 /g, and most preferably greater than 60 m 2 /g.
- Particle size of calcite is preferably from 1 to 100, more preferably from 2 to 50, and most preferably from 2 to10 microns.
- Calcium carbonate is present at a level of 3 to 50%, preferably 5 to 40% and most preferably 10 to 30 % by weight of the builder composition.
- the soap is in form of particles comprising at least 50% by weight soap and at least 80% by weight of soap particles are retained on sieve of 80 mesh.
- the soap particles comprise preferably at least 60%, more preferably at least 70% and most preferably at least 80% by weight soap.
- At least 80% by weight soap particles are retained on a sieve of 80 mesh, preferably on a sieve of 65 mesh, and more preferably on a sieve of 60 mesh.
- At least 90%, more preferably at least 95% and most preferably substantially all soap particles are retained on a sieve of 80 mesh.
- soap particles pass through a sieve of 20 mesh.
- the soap is preferably selected from an alkali metal soap, an alkaline earth metal soap or ammonium soap. More preferably, the soap is an alkali metal soap. Sodium soap is particularly preferred.
- the soap is preferably C8-C24 soap, more preferably C10-C20 soap, and most preferably C12-C18 soap.
- the soap may or may not have one or more carbon-carbon double bond or triple bond.
- the soap may be water soluble or water insoluble.
- Non-limiting examples soaps that can be used according to the present invention include sodium laurate, sodium caprylate, and sodium myristate, sodium palmitate and sodium stearate.
- Soap is present at a level of 1 to 25%, preferably 1 to 20% and most preferably 3 to 15% by weight of the builder composition.
- the builder composition comprises calcium oxide or hydroxide, with calcium hydroxide being particularly preferred.
- calcium oxide or hydroxide is preferably 0.1 to 15%, more preferably 0.5 to 12% and most preferably 1 to 10 % by weight of the builder composition.
- the solid detergent composition comprises the builder composition and a non-soap surfactant.
- the solid builder composition is preferably 5 to 90%, more preferably 10 to 80% and most preferably 15 to 70 % by weight of the solid detergent composition.
- the soap is in form of particles comprising at least 50% by weight soap and at least 80% by weight of the soap particles are retained on sieve of 70 mesh.
- non-soap surfactant as used herein means any surfactant excluding soap.
- the non-soap surfactant may be anionic, non-ionic, cationic, zwitterionic or amphoteric. More preferably the non-soap surfactant is an anionic surfactant
- the anionic surfactant is a salt of an acid selected from a group consisting of linear alkyl benzene sulfonic acid, alpha olefin sulfonic acid and primary alkyl sulfuric acid. More preferably, the anionic surfactant is a salt of linear alkyl benzene sulfonic acid.
- the salt is an ammonium salt, an alkali metal salt or an alkaline earth metal salt. More preferably, the salt is an alkaline earth metal salt. It is particularly preferred that the alkaline earth metal is magnesium.
- the non-soap surfactant is a magnesium salt of a linear alkyl benzene sulfonic acid
- the non-soap surfactant is in form of particles wherein at least 50% by weight of the non-soap surfactant particles are preferably retained on a sieve of 70 mesh, more preferably retained on 60 mesh, and most preferably retained on a sieve of 50 mesh.
- the non-soap surfactant is preferably present at a level of 5 to 80%, more preferably 10 to 50% and most preferably 15 to 35% by weight of the solid detergent composition.
- Soap particles may be prepared by any process.
- a corresponding fatty acid is neutralized to form a soap which is then extruded, and extruded noodles are granulated.
- a pan-granulator is used for granulation.
- the soap granules may be separated according to size by any suitable method, preferably by sieving.
- the builder composition may be prepared by a process comprising the step of mixing all the ingredients of the builder composition.
- the builder composition is prepared by a process comprising the steps of:
- the step (2) is carried out in a low shear mixer.
- low shear mixer include a ribbon mixer or a blender.
- the step (2) is not carried out in a sigma mixer.
- the detergent composition may be prepared by mixing the non-soap detergent with the builder composition.
- the detergent composition comprising an anionic non-soap surfactant is prepared by a process comprising the steps of:
- the step (3) is carried out in a low shear mixer.
- low shear mixer include a ribbon mixer or a blender.
- the step (3) is not carried out in a sigma mixer. In low shear mixer, breakage or deformation of soap granules is avoided thus ensuring that the size of soap particles remains unaltered such that at least 80% by weight of the soap particles are retained on a sieve of 70 mesh.
- the process of preparation of the detergent composition preferably comprises the steps of:
- the step (3) is carried out in the low shear mixer.
- the step (3) is not carried out in a sigma mixer.
- the granules of magnesium salt of linear alkyl benzene sulfonic acid obtained in the step (2) are sieved such that at least 50% by weight of the granules of the magnesium salt of linear alkyl benzene sulfonic acid are retained on a sieve of 70 mesh.
- compositions comprising soap were prepared by a process comprising the steps of:
- soap granules comprised 80% by weight of sodium laurate.
- soap particles comprised 90% by weight soap.
- Builder composition of Comparative Ex A and Comparative Ex D comprised 48.6% by weight sodium carbonate, 27% by weight calcium carbonate, 24.3% by weight sodium metasilicate. Comparative Ex A and Comparative Ex D did not have soap.
- Other builder compositions in the table below comprised 45% by weight sodium carbonate, 25% by weight calcium carbonate, 22.5% by weight sodium metasilicate, and 7.5% by weight soap.
- Comparative Ex G comprised 48.5% by weight sodium carbonate, 37.7% by weight calcium carbonate, 9.7% by weight sodium metasilicate (pentahydrate) and, 4.1 % by weight lime (calcium hydroxide). Comparative Ex G did not have soap.
- builder compositions in the table below comprised 44.9% by weight sodium carbonate, 34.9% by weight calcium carbonate, 9% by weight sodium metasilicate (pentahydrate), 3.7% by weight lime and , and 7.5% by weight soap
- the method involved titration with EDTA (di sodium salt of elthylene diamine tetra acetic acid) using EBT (Erochrome Black - T) as indicator.
- EBT Erochrome Black - T
- About 2 ml_ of the test solution was pipetted out into a 150 ml_ conical flask.
- the solution was diluted using about 10 ml_ water.
- To this was added 5 ml_ of ammonia-ammonium chloride pH 10 buffer.
- About 35 mg of 1 % EBT in potassium nitrate solution was added.
- a wine red colour was obtained.
- a standardized EDTA solution was added dropwise from a burette with constant stirring. As more EDTA was added the colour gradually changed from wine red to violet. The end point was identified by a sudden colour change from violet to blue.
- the total hardness was calculated according to the equation given below.
- Total hardness ( 0 FH) volume of EDTA (ml_) * concentration of EDTA (mM) * 10/ volume of test solution (ml_).
- the builder compositions of the present invention provide relatively fast building kinetics as compared to the builder compositions outside the scope of the present invention.
- the builder compositions of the present invention provide relatively fast building kinetics as compared to the builder compositions outside the scope of the present invention.
- the builder compositions of the present invention provide relatively fast building kinetics as compared to the builder compositions outside the scope of the present invention. It will be appreciated that the builder compositions of the present invention provide relatively fast building kinetics, achieve attainment of relatively low hardness ion concentration.
- All the detergent compositions in the following table comprised 19% by weight of LAS (either magnesium or sodium salt), 67% by weight the builder composition, 3% by weight sodium carboxymethyl cellulose, 1 % by weight of sodium sulfite, 4% by weight sodium chloride, 2% by weight moisture and other minor ingredients including perfume and fluorescer.
- LAS magnesium or sodium salt
- step (3) mixing the granules of the magnesium salt of linear alkyl benzene sulfonic acid obtained in the step (2) with the builder composition.
- the granules of the magnesium salt of linear alkyl benzene sulfonic acid obtained in the step (2) were sieved such that all the granules are retained on a sieve of mesh 35.
- step (2) mixing the neutralized mass with all the ingredients of the builder composition except soap in a sigma mixer, and (3) blending the soap granules with the mix obtained in step (2) in a ribbon mixer.
- the detergent composition of Comparative Example K was prepared by a process comprising the steps of:
- the detergent composition was sieved and the fraction retained on mesh 35 was used in the washing experiment.
- TERGOTOMETER Instrument Marketing Services, Inc., NJ, USA.
- WFK10D is a cotton fabric having composite soil
- WFK20D is a poly-cotton fabric having composite soil
- AS9 is a cotton fabric having other variety of composite soil.
- the experiments were done at a liquor to cloth ratio of 50:1.
- the solid detergent compositions were added to the water (at 3 g/L) and stirred for 5 minutes at 90 rpm to dissolve the composition.
- the fabrics were then added and allowed to soak for 15 minutes. Washing was then carried out for 30 minutes with agitation at 90 rpm. The fabrics were then rinsed 3 times for 3 minutes each. The fabrics were then air dried. The reflectance of the fabric before and after washing was measured using a Macbeth color scan spectrophotometer (Color Eye 7000A, Gretag - Macbeth) at a wavelength of 460 nm. The ⁇ RM60 value is the difference in the reflectance between the washed fabric and the unwashed fabric and is an average value over the three test monitors used.
- the detergent compositions of the present invention provide relatively higher cleaning efficacy on cotton fabric as compared to the detergent compositions that are outside the scope of the present invention. It can also be seen that for cotton fabrics as well as polycotton fabrics, the detergent composition comprising magnesium salt of linear alkyl benzene sulfonic acid provides relatively higher cleaning efficacy as compared to the detergent composition comprising sodium salt of linear alkyl benzene sulfonic acid.
- detergent compositions of the present invention provide relatively higher fabric cleaning efficacy in hard water.
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009801506569A CN102257113B (en) | 2008-12-16 | 2009-11-24 | Solid builder composition |
EP09759729.8A EP2366006B1 (en) | 2008-12-16 | 2009-11-24 | Solid builder composition |
ZA2011/03721A ZA201103721B (en) | 2008-12-16 | 2011-05-20 | Solid builder composition |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN2623/MUM/2008 | 2008-12-16 | ||
IN2623MU2008 | 2008-12-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010069718A1 true WO2010069718A1 (en) | 2010-06-24 |
Family
ID=41611346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2009/065711 WO2010069718A1 (en) | 2008-12-16 | 2009-11-24 | Solid builder composition |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2366006B1 (en) |
CN (1) | CN102257113B (en) |
WO (1) | WO2010069718A1 (en) |
ZA (1) | ZA201103721B (en) |
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Also Published As
Publication number | Publication date |
---|---|
EP2366006A1 (en) | 2011-09-21 |
ZA201103721B (en) | 2012-09-26 |
CN102257113A (en) | 2011-11-23 |
EP2366006B1 (en) | 2013-08-14 |
CN102257113B (en) | 2013-05-08 |
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