EP4017955B1 - Detergent solid composition - Google Patents

Detergent solid composition 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)
French (fr)
Other versions
EP4017955A1 (en
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
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 Global IP Ltd, Unilever IP Holdings BV filed Critical Unilever Global IP Ltd
Publication of EP4017955A1 publication Critical patent/EP4017955A1/en
Application granted granted Critical
Publication of EP4017955B1 publication Critical patent/EP4017955B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/20Organic compounds containing oxygen
    • C11D3/2075Carboxylic acids-salts thereof
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/06Powder; Flakes; Free-flowing mixtures; Sheets
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/20Organic compounds containing oxygen
    • C11D3/2075Carboxylic acids-salts thereof
    • C11D3/2086Hydroxy carboxylic acids-salts thereof
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/26Organic compounds containing nitrogen
    • C11D3/33Amino carboxylic acids
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/40Dyes ; Pigments
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22Organic compounds
    • C11D7/26Organic compounds containing oxygen
    • C11D7/265Carboxylic acids or salts thereof
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22Organic compounds
    • C11D7/32Organic compounds containing nitrogen
    • C11D7/3245Aminoacids
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0047Detergents in the form of bars or tablets
    • C11D17/0065Solid detergents containing builders
    • C11D17/0073Tablets
    • C11D17/0091Dishwashing 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)
EP20757347.8A 2019-08-21 2020-08-20 Detergent solid composition Active EP4017955B1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
EP19192827 2019-08-21
EP19192833 2019-08-21
EP19192831 2019-08-21
EP19192828 2019-08-21
EP19192836 2019-08-21
EP19192834 2019-08-21
PCT/EP2020/073281 WO2021032818A1 (en) 2019-08-21 2020-08-20 Detergent solid composition

Publications (2)

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

Family

ID=72086878

Family Applications (6)

Application Number Title Priority Date Filing Date
EP20756882.5A Active EP4017953B1 (en) 2019-08-21 2020-08-20 Detergent solid composition
EP20756883.3A Active EP4017954B1 (en) 2019-08-21 2020-08-20 Detergent solid composition
EP20757347.8A Active EP4017955B1 (en) 2019-08-21 2020-08-20 Detergent solid composition
EP20756881.7A Active EP4017952B1 (en) 2019-08-21 2020-08-20 An embossed detergent solid
EP20758222.2A Active EP4017956B1 (en) 2019-08-21 2020-08-20 Detergent solid composition
EP20758223.0A Active EP4017957B1 (en) 2019-08-21 2020-08-20 Detergent solid composition

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP20756882.5A Active EP4017953B1 (en) 2019-08-21 2020-08-20 Detergent solid composition
EP20756883.3A Active EP4017954B1 (en) 2019-08-21 2020-08-20 Detergent solid composition

Family Applications After (3)

Application Number Title Priority Date Filing Date
EP20756881.7A Active EP4017952B1 (en) 2019-08-21 2020-08-20 An embossed detergent solid
EP20758222.2A Active EP4017956B1 (en) 2019-08-21 2020-08-20 Detergent solid composition
EP20758223.0A Active EP4017957B1 (en) 2019-08-21 2020-08-20 Detergent solid composition

Country Status (4)

Country Link
EP (6) EP4017953B1 (zh)
CN (6) CN114341325A (zh)
ES (6) ES2945459T3 (zh)
WO (6) WO2021032818A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB202109205D0 (en) * 2021-06-25 2021-08-11 Innospec Ltd Compositions

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2794836B1 (en) * 2011-12-22 2016-06-01 Unilever N.V. Detergent composition comprising glutamic-n,n-diacetate, water and bleaching agent
US20170198241A1 (en) * 2014-05-30 2017-07-13 Reckitt Benckiser (Brands) Limited Improved Detergent Composition

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EP2794836B1 (en) * 2011-12-22 2016-06-01 Unilever N.V. Detergent composition comprising glutamic-n,n-diacetate, water and bleaching agent
US20170198241A1 (en) * 2014-05-30 2017-07-13 Reckitt Benckiser (Brands) Limited Improved Detergent Composition

Also Published As

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

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