EP2366006B1 - Composition solide d'adjuvant - Google Patents

Composition solide d'adjuvant Download PDF

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Publication number
EP2366006B1
EP2366006B1 EP09759729.8A EP09759729A EP2366006B1 EP 2366006 B1 EP2366006 B1 EP 2366006B1 EP 09759729 A EP09759729 A EP 09759729A EP 2366006 B1 EP2366006 B1 EP 2366006B1
Authority
EP
European Patent Office
Prior art keywords
soap
weight
composition
builder
sodium
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.)
Not-in-force
Application number
EP09759729.8A
Other languages
German (de)
English (en)
Other versions
EP2366006A1 (fr
Inventor
Subir K Das
Amitava Pramanik
Arpita Sarkar
Archana Sinha
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unilever PLC
Unilever NV
Original Assignee
Unilever PLC
Unilever NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Unilever PLC, Unilever NV filed Critical Unilever PLC
Publication of EP2366006A1 publication Critical patent/EP2366006A1/fr
Application granted granted Critical
Publication of EP2366006B1 publication Critical patent/EP2366006B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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.
  • 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.
  • 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 detergent composition comprising the builder composition of the first aspect 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 80 mesh and a non-soap surfactant.
  • 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 (Na 2 O) and silicon dioxide or silica (SiO 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°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.
  • 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.
  • the soap is preferably C8-C24 soap, more preferably C10-C20 soap, and most preferably C12-C18 soap.
  • 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 80 mesh, preferably 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 80 mesh, preferably 70 mesh, still more preferably retained on 60 mesh, and most preferably retained on a sieve of 50 mesh.
  • a sieve of 80 mesh preferably 70 mesh, still more preferably retained on 60 mesh, and most preferably retained on a sieve of 50 mesh.
  • 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.
  • tow 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 80 mesh, preferably 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. Calcium carbonate with surface area of 60 m 2 /g and particle size of 2-10 microns procured from Saurashtra Solid Industries, India was used in all the experiments.
  • Builder compositions comprising calcium hydroxide Ex No Soap Size of soap particles Sieve details G 0 - - 10 Sodium laurate 0.5-0.85 mm 20 + 35 - 11 Sodium laurate 0.35-0.5 mm 35 + 45 - 12 Sodium laurate 0.2-0.5 mm 45 + 70 - H Sodium laurate ⁇ 0.075 mm 200 - 13 Sodium palmitate 0.35-0.5 mm 35 + 45 - 14 Sodium palmitate 0.2-0.5 mm 45 + 70 - I Sodium palmitate ⁇ 0.075 mm 200 -
  • 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, 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) Prior to step (3), 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.
  • the detergent composition was sieved and the fraction retained on mesh 35 was used in the washing experiment.
  • 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 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)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)

Claims (10)

  1. Composition solide d'adjuvant comprenant :
    (v) de 5 à 70 % en poids de la composition d'adjuvant d'un carbonate de métal alcalin,
    (vi) de 1 à 40 % en poids de la composition d'adjuvant d'un silicate de métal alcalin,
    (vii) de 3 à 50 % en poids de la composition d'adjuvant de carbonate de calcium, et
    (viii) de 1 à 25 % en poids de la composition d'adjuvant de savon,
    caractérisée en ce que le savon se présente sous la forme de particules comprenant au moins 50 % en poids de savon et en ce qu'au moins 80 % en poids des particules de savon sont retenus sur un tamis de maille 80.
  2. Composition solide d'adjuvant selon la revendication 1 comprenant de 0,1 à 15 % en poids d'oxyde de calcium ou d'hydroxyde de calcium.
  3. Composition solide de détergent comprenant .
    (i) une composition solide d'adjuvant selon l'une quelconque des revendications précédentes caractérisée en ce que le savon se présente sous la forme de particules comprenant au moins 50 % en poids de savon et en ce qu'au moins 80 % en poids des particules de savon sont retenus sur un tamis de maille 80, et
    (ii) un tensioactif sans savon.
  4. Composition solide de détergent selon la revendication 3 dans laquelle ladite composition d'adjuvant est présente à un niveau de 5 à 90 % en poids de la composition de détergent.
  5. Composition solide de détergent selon les revendications 3 ou 4 dans laquelle ledit tensioactif sans savon est présent à un niveau de 5 à 80 en poids de ladite composition de détergent.
  6. Composition solide de détergent selon l'une quelconque des revendications précédentes 3 à 5 dans laquelle ledit tensioactif sans savon est un tensioactif anionique.
  7. Composition solide de détergent selon la revendication 6 dans laquelle ledit tensioactif anionique est un sel d'un acide choisi dans un groupe constitué de l'acide alkylbenzène sulfonique linéaire, de l'acide alpha-oléfine sulfonique et de l'acide alkylsulfurique primaire.
  8. Composition solide de détergent selon la revendication 6 ou la revendication 7 dans laquelle ledit tensioactif anionique est un sel d'acide alkylbenzène sulfonique linéaire.
  9. Composition solide de détergent selon l'une quelconque des revendications précédentes 7 ou 8 dans laquelle ledit sel est un sel de métal alcalino-terreux.
  10. Composition solide de détergent selon la revendication 9 dans laquelle ledit métal alcalino-terreux est du magnésium.
EP09759729.8A 2008-12-16 2009-11-24 Composition solide d'adjuvant Not-in-force EP2366006B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN2623MU2008 2008-12-16
PCT/EP2009/065711 WO2010069718A1 (fr) 2008-12-16 2009-11-24 Composition solide d'adjuvant

Publications (2)

Publication Number Publication Date
EP2366006A1 EP2366006A1 (fr) 2011-09-21
EP2366006B1 true EP2366006B1 (fr) 2013-08-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP09759729.8A Not-in-force EP2366006B1 (fr) 2008-12-16 2009-11-24 Composition solide d'adjuvant

Country Status (4)

Country Link
EP (1) EP2366006B1 (fr)
CN (1) CN102257113B (fr)
WO (1) WO2010069718A1 (fr)
ZA (1) ZA201103721B (fr)

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US10479981B2 (en) 2015-10-14 2019-11-19 Novozymes A/S DNase variants
WO2017064253A1 (fr) 2015-10-14 2017-04-20 Novozymes A/S Polypeptides ayant une activité de protéase et polynucléotides codant pour ceux-ci
CA3024276A1 (fr) 2016-06-03 2017-12-07 Novozymes A/S Variants de subtilase et polynucleotides codant pour ceux-ci
JP6858850B2 (ja) 2016-07-13 2021-04-14 ザ プロクター アンド ギャンブル カンパニーＴｈｅ Ｐｒｏｃｔｅｒ ＆ Ｇａｍｂｌｅ Ｃｏｍｐａｎｙ バチルス・シビ（ＢＡＣＩＬＬＵＳ ＣＩＢＩ）ＤＮａｓｅ変異体及びその使用
CN106479689A (zh) * 2016-09-09 2017-03-08 北京神雾环境能源科技集团股份有限公司 一种电石渣基污渍去除剂及其应用
WO2019081721A1 (fr) 2017-10-27 2019-05-02 Novozymes A/S Variants de la dnase
PL3476936T3 (pl) 2017-10-27 2022-04-11 The Procter & Gamble Company Kompozycje detergentu zawierające odmiany polipeptydowe
WO2019201793A1 (fr) 2018-04-17 2019-10-24 Novozymes A/S Polypeptides ayant une activité de liaison des hydrates de carbone dans des compositions détergentes et leur utilisation pour réduire les plis de textiles ou de tissus
CA3122942A1 (fr) 2019-03-21 2020-09-24 Novozymes A/S Variants d'alpha-amylase et polynucleotides codant pour ceux-ci
CN113874499A (zh) 2019-04-10 2021-12-31 诺维信公司 多肽变体
US20220325204A1 (en) 2019-08-27 2022-10-13 Novozymes A/S Detergent composition
US20220315866A1 (en) 2019-09-19 2022-10-06 Novozymes A/S Detergent Composition
WO2021064068A1 (fr) 2019-10-03 2021-04-08 Novozymes A/S Polypeptides comprenant au moins deux domaines de liaison aux hydrates de carbone
EP3892708A1 (fr) 2020-04-06 2021-10-13 Henkel AG & Co. KGaA Compositions de nettoyage comprenant des variantes de dispersine
EP4225905A2 (fr) 2020-10-07 2023-08-16 Novozymes A/S Variants d'alpha-amylase
EP4291646A2 (fr) 2021-02-12 2023-12-20 Novozymes A/S Variants d'alpha-amylase
WO2022268885A1 (fr) 2021-06-23 2022-12-29 Novozymes A/S Polypeptides d'alpha-amylase

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CN102257113A (zh) 2011-11-23
WO2010069718A1 (fr) 2010-06-24
ZA201103721B (en) 2012-09-26
CN102257113B (zh) 2013-05-08

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