EP4017955B1 - Composition détergente solide - Google Patents

Composition détergente solide Download PDF

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Publication number
EP4017955B1
EP4017955B1 EP20757347.8A EP20757347A EP4017955B1 EP 4017955 B1 EP4017955 B1 EP 4017955B1 EP 20757347 A EP20757347 A EP 20757347A EP 4017955 B1 EP4017955 B1 EP 4017955B1
Authority
EP
European Patent Office
Prior art keywords
solid
acid
surfactant
amount
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.)
Active
Application number
EP20757347.8A
Other languages
German (de)
English (en)
Other versions
EP4017955A1 (fr
Inventor
Hélène Julie Marie ARLABOSSE
Liam Edward DAVIES
Alexandre François BOUX DE CASSON
Robert Jan MOLL
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 Global IP Ltd
Unilever IP Holdings BV
Original Assignee
Unilever Global IP Ltd
Unilever IP Holdings BV
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Publication of EP4017955A1 publication Critical patent/EP4017955A1/fr
Application granted granted Critical
Publication of EP4017955B1 publication Critical patent/EP4017955B1/fr
Active legal-status Critical Current
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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
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/06—Powder; Flakes; Free-flowing mixtures; Sheets
    • 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/33—Amino carboxylic acids
    • 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
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22—Organic compounds
    • C11D7/26—Organic compounds containing oxygen
    • C11D7/265—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
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22—Organic compounds
    • C11D7/32—Organic compounds containing nitrogen
    • C11D7/3245—Aminoacids
    • 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
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/0065—Solid detergents containing builders
    • C11D17/0073—Tablets
    • C11D17/0091—Dishwashing tablets

Definitions

  • the solid according to the invention can surprisingly be made with the following process, which relates to the second aspect of the invention: Process for the manufacture of the solid according to the invention comprising the consecutive steps of:
  • the process of the invention can provide solid pieces of detergent material comprising surfactant, chiral aminoplycarboxylate and organic acid mixed on a molecular level.
  • the solid has thermoplastic properties and hence can be easily shaped as desired.
  • the desiccated liquid that is formed by reducing the water content of the solution to 25 wt. % or less is in a viscous (or rubbery) state. By cooling the desiccated liquid, the viscosity increases to a level where the material becomes solid. In case the desiccated liquid is cooled to a temperature lower than its glass transition temperature, a hard(er) solid can be obtained. This process offers the advantage that it allows for the production of the solid composition in the form of (shaped) pieces.
  • Concentrations expressed in 'free acid equivalent' refer to the concentration of an aminopolycarboxylate or an acid assuming that the aminopolycarboxylate of acid is exclusively present in fully protonated from.
  • the following table shows how the free acid equivalent concentrations can be calculated for some (anhydrous) aminopolycarboxylates and (anhydrous) acid salts.
  • Wt. % salt Conversion factor Wt. % free acid equivalent GLDA (tetrasodium salt) 50 263.1/351.1 37.5 MGDA (trisodium salt) 50 205.1/271.1 37.8 Citric acid (monosodium salt) 50 192.1/214.1 44.9 Sodium acetate 50 60.0/82.0 36.6
  • the low melting surfactant can be anionic, cationic, non-ionic, zwitterionic or a combination thereof.
  • the low melting surfactant is however anionic, non-ionic or a combination thereof and more preferably is a non-ionic.
  • Preferred non-ionics are modified alcohol polyglycol ethers, more preferably those which are alkoxylated, even more preferably ethoxylated and still even more preferably those which are ethoxyated.
  • the preferred average degree of ethoxylation is from 5 to 30, more preferably from 10 to 25.
  • Such non-ionics are commercially available such as from Clariant.
  • the solid of the invention may comprise further ingredients, such as further detergent active components.
  • the improved plasticity is beneficial as it makes the solids easier to (mechanically) work (i.e. at raised temperatures) and makes it easier to manufacture detergent product comprising the solid.
  • a higher glass transition temperature is beneficial as it aids stability of the solid during storage and handling, in particular in view of temperature stresses. That being said a glass transition temperature which is not too high will aid quick dissolution of the product in warm water as it helps to liquefy the solid during use by increasing surface area.
  • the particularly preferred amount of the solid of the invention is from 1 to 60, more preferably 2 to 50 wt. %, and even more preferably, 5 to 35 wt. %.
  • Suitable anionic surfactants which may be used are preferably water-soluble alkali metal salts of organic sulphates and sulphonates having alkyl radicals containing from about 8 to about 22 carbon atoms, the term alkyl being used to include the alkyl portion of higher acyl radicals.
  • Advantageous unit dose pouches preferably have more than one compartment.
  • the amount given in Table A is the amount citric acid.
  • the amount in Table A is the amount of polyacrylate.
  • Anionic surfactant neutralized linear alkylbenzene sulfonate

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)
  • Detergent Compositions (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Claims (15)

  1. Composition de détergent solide comprenant :
    a) de 25 à 88 % en masse d'équivalent d'acide libre d'aminopolycarboxylate chiral non-cristallin ; et
    b) de 10 à 60 % en masse d'équivalent d'acide libre d'acide organique non-cristallin différent de l'aminopolycarboxylate ; et
    c) de 0,01 à 20 % en masse de tensioactif ; et
    d) de 0,7 à 25 % en masse d'eau ;
    dans laquelle l'acide organique présente une masse moléculaire moyenne d'au plus 500 Daltons, la masse moléculaire étant basée sur l'équivalent d'acide libre ; et
    dans laquelle les ingrédients a), b), c) et d) sont moléculairement distribués uniformément dans le solide.
  2. Solide selon la revendication 1, dans lequel la quantité du tensioactif est de 0,01 à 4,5, de préférence de 0,5 à 4,0 et encore mieux de 1,0 à 3,5 % en masse.
  3. Solide selon l'une quelconque des revendications précédentes, dans lequel le tensioactif est un non-ionique, anionique ou une combinaison de ceux-ci, de préférence est un non-ionique, encore mieux est un polyglycoléther d'alcool modifié et bien mieux encore est alcoxylé.
  4. Solide selon l'une quelconque des revendications précédentes, dans lequel le tensioactif comprend au moins 50, 60, 70, 80, 90 % en masse de tensioactif de faible point de fusion, sur la base de la masse totale du tensioactif présent dans la composition de détergent solide, encore mieux substantiellement la totalité du tensioactif dans la composition de détergent solide est un tensioactif de faible point de fusion.
  5. Solide selon l'une quelconque des revendications précédentes, dans lequel la quantité de l'aminopolycarboxylate chiral est de 30 à 70 % en masse et encore mieux de 35 à 60 % en masse, la masse comme basée sur l'équivalent d'acide libre.
  6. Solide selon l'une quelconque des revendications précédentes, dans lequel la quantité de l'acide organique est de 15 à 55 % en masse, de préférence de 25 à 50 % en masse, la masse comme basée sur les équivalents d'acide libre.
  7. Solide selon l'une quelconque des revendications précédentes, dans lequel l'aminopolycarboxylate chiral comprend l'acide glutamique acide N,N-diacétique (GLDA), l'acide méthylgycinediacétique (MGDA), l'acide éthylènediaminedisuccinique (EDDS) ou un mélange de ceux-ci et de préférence dans lequel l'aminopolycarboxylate chiral est l'acide glutamique acide N,N-diacétique (GLDA), l'acide méthylglycinediacétique (MGDA) ou un mélange de ceux-ci.
  8. Solide selon l'une quelconque des revendications précédentes, dans lequel l'acide organique comprend l'acide acétique, acide citrique, acide adipique, acide succinique, acide glutarique, acide malique, acide tartarique, acide maléique, acide fumarique, acide saccharique, leur sel, ou un mélange de ceux-ci, de préférence dans lequel l'acide organique comprend l'acide citrique, acide lactique, acide acétique ou mélanges de ceux-ci, et encore mieux dans lequel l'acide organique comprend l'acide citrique.
  9. Solide selon l'une quelconque des revendications précédentes, dans lequel la quantité d'eau est de 1,0 à 20 % en masse, de préférence de 1,4 à 15 % en masse et encore mieux de 1,5 à 8 % en masse.
  10. Solide selon l'une quelconque des revendications précédentes, dans lequel a), b), c) et d) forment de 60 à 100 % en masse, de préférence de 70 à 100 % en masse, encore mieux de 80 à 100 % en masse, bien mieux encore de 90 à 100 % en masse et particulièrement de préférence de 95 à 100 % en masse de la masse totale de la composition solide.
  11. Solide selon l'une quelconque des revendications précédentes, dans lequel le pH d'une solution constituée par dissolution du solide dans l'eau dans un rapport de masse de 1:1 est d'au plus 10,0, de préférence d'au plus 9,0 et encore mieux d'au plus 8,0, comme mesuré à 25 degrés Celsius.
  12. Solide selon l'une quelconque des revendications précédentes, dans lequel le solide comprend de 1 à 50 % en masse, de préférence de 2 à 25 % en masse et encore mieux de 3 à 15 % en masse d'équivalent d'acide libre de polymère de polycarboxylate.
  13. Composition solide selon l'une quelconque des revendications précédentes, dans lequel la composition solide est translucide et est de préférence transparente, comme évalué sur la base d'une longueur de trajectoire de 0,5 cm à travers le solide, en mesurant la quantité de lumière passant à travers, dans laquelle le solide est translucide si il présente une transmittance maximale d'au moins 5 % dans l'intervalle de longueur d'onde de 400 à 700, et dans laquelle le solide est considéré transparent si il présente une transmittance maximale d'au moins 20 % dans l'intervalle de longueur d'onde de 400 à 700 nm.
  14. Produit de détergent de dose unitaire comprenant la composition solide selon l'une quelconque des revendications précédentes dans une quantité de 1 à 90 % en masse, de préférence dans une quantité de 2 à 85 % en masse et encore mieux de 5 à 70 % en masse, le produit de détergent de dose unitaire étant de préférence un produit de détergent pour lave-vaisselle comprenant de 5 à 60 % en masse de tensioactif.
  15. Utilisation de la composition solide selon l'une quelconque des revendications 1 à 12 pour fournir une composition solide comprenant un tensioactif moléculairement distribué uniformément dans la composition solide.
EP20757347.8A 2019-08-21 2020-08-20 Composition détergente solide Active EP4017955B1 (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
EP19192833 2019-08-21
EP19192831 2019-08-21
EP19192836 2019-08-21
EP19192828 2019-08-21
EP19192827 2019-08-21
EP19192834 2019-08-21
PCT/EP2020/073281 WO2021032818A1 (fr) 2019-08-21 2020-08-20 Composition détergente solide

Publications (2)

Publication Number Publication Date
EP4017955A1 EP4017955A1 (fr) 2022-06-29
EP4017955B1 true EP4017955B1 (fr) 2023-03-22

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EP20758223.0A Active EP4017957B1 (fr) 2019-08-21 2020-08-20 Composition détergente solide
EP20756882.5A Active EP4017953B1 (fr) 2019-08-21 2020-08-20 Composition détergente solide
EP20758222.2A Active EP4017956B1 (fr) 2019-08-21 2020-08-20 Composition détergente solide
EP20756881.7A Active EP4017952B1 (fr) 2019-08-21 2020-08-20 Composition détergente solide
EP20757347.8A Active EP4017955B1 (fr) 2019-08-21 2020-08-20 Composition détergente solide
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EP20758222.2A Active EP4017956B1 (fr) 2019-08-21 2020-08-20 Composition détergente solide
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EP (6) EP4017957B1 (fr)
CN (6) CN114269889B (fr)
ES (6) ES2943558T3 (fr)
WO (6) WO2021032834A1 (fr)

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WO2021236556A1 (fr) 2020-05-18 2021-11-25 Battelle Memorial Institute Systèmes, méthodes et compositions pour purifier l'eau
GB202109205D0 (en) * 2021-06-25 2021-08-11 Innospec Ltd Compositions

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Also Published As

Publication number Publication date
EP4017952A1 (fr) 2022-06-29
CN114269889A (zh) 2022-04-01
ES2944952T3 (es) 2023-06-27
CN114269889B (zh) 2024-09-13
EP4017957A1 (fr) 2022-06-29
ES2943127T3 (es) 2023-06-09
EP4017953B1 (fr) 2023-04-12
WO2021032833A1 (fr) 2021-02-25
ES2942916T3 (es) 2023-06-07
EP4017955A1 (fr) 2022-06-29
EP4017953A1 (fr) 2022-06-29
ES2944450T3 (es) 2023-06-21
CN114286854A (zh) 2022-04-05
ES2943558T3 (es) 2023-06-14
WO2021032816A1 (fr) 2021-02-25
WO2021032817A1 (fr) 2021-02-25
CN114341325A (zh) 2022-04-12
EP4017956A1 (fr) 2022-06-29
CN114341330A (zh) 2022-04-12
EP4017956B1 (fr) 2023-03-15
CN114258427A (zh) 2022-03-29
CN114302947A (zh) 2022-04-08
EP4017957B1 (fr) 2023-03-29
WO2021032818A1 (fr) 2021-02-25
WO2021032815A1 (fr) 2021-02-25
EP4017954B1 (fr) 2023-04-05
EP4017954A1 (fr) 2022-06-29
WO2021032834A1 (fr) 2021-02-25
ES2945459T3 (es) 2023-07-03
EP4017952B1 (fr) 2023-03-22

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