EP2804941B1 - Composition de nettoyage de surfaces dures avec promoteur de mousse - Google Patents

Composition de nettoyage de surfaces dures avec promoteur de mousse Download PDF

Info

Publication number
EP2804941B1
EP2804941B1 EP12809727.6A EP12809727A EP2804941B1 EP 2804941 B1 EP2804941 B1 EP 2804941B1 EP 12809727 A EP12809727 A EP 12809727A EP 2804941 B1 EP2804941 B1 EP 2804941B1
Authority
EP
European Patent Office
Prior art keywords
cleaning composition
alkyl
block
composition according
toilet
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
EP12809727.6A
Other languages
German (de)
English (en)
Other versions
EP2804941A1 (fr
Inventor
Luca Ciceri
Nicola DELLA VALLE
Anna FARAONE
Gianluca Lucchini
Maria TRINCHERA
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
Priority to EP12809727.6A priority Critical patent/EP2804941B1/fr
Publication of EP2804941A1 publication Critical patent/EP2804941A1/fr
Application granted granted Critical
Publication of EP2804941B1 publication Critical patent/EP2804941B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • C11D10/047—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap based on cationic 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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/0056—Lavatory cleansing blocks
    • 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
    • C11D1/38—Cationic compounds
    • C11D1/40—Monoamines or polyamines; 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/38—Cationic compounds
    • C11D1/42—Amino alcohols or amino ethers
    • C11D1/44—Ethers of polyoxyalkylenes with amino alcohols; Condensation products of epoxyalkanes with amines

Definitions

  • the present invention relates to hard surface cleaning compositions, and their use.
  • the invention relates to hard surface cleaning compositions in the form of a toilet block.
  • Hard surface cleaning blocks such as lavatory blocks are known in the art and are typically configured to provide an automatic and sustained release of active ingredients to a liquid passing the block and/or the release of perfume to the air.
  • they may be suspended in a container under the rim of a lavatory bowl or urinal such that, during a flushing cycle, water from the cistern flows over the block thereby dissolving a portion of the block and releasing active ingredients of the block into the lavatory bowl. They may also be used inside a dish washing machine or even for the purpose of manual dishwashing.
  • Holders for solid detergent blocks are for instance disclosed in EP-B1-586 137 .
  • An alternative to the lavatory block is a liquid dispenser device, such as the device disclosed in GB2389123 .
  • hard surface cleaning blocks in different forms are disclosed in the art. Solid blocks in a holder are for instance disclosed in EP-B1-553 162 .
  • the hard surface cleaning composition can even be applied directly onto the surface as disclosed in EP-A1-1,086,199 , where a self adhesive paste is disclosed.
  • WO-2008/058853 discloses a detergent composition comprising an adhesive phase.
  • the delivery of perfume to a room is the main objective.
  • many known hard surface cleaning blocks have the effective cleaning of the lavatory appliance, in particular the toilet bowl, as their main characteristic.
  • WO 2008/125407 A1 discloses a toilet cleaning block which is at least partially transparent or translucent and comprises soap, humectant, solvent and biocide material.
  • toilet blocks of the prior art often leaves to be desired.
  • toilet blocks containing fatty acid soap often hardly show any foaming behavior.
  • an object of the present invention is to provide a hard surface cleaning composition in the form of a toilet block that comprises fatty acid soap and has, in use, favorable foaming behavior. It is a further object that said hard surface cleaning composition rinses away in a number of flushes, and releases a hygiene agent at a rate sufficient to provide adequate hygiene throughout the operating life of the toilet block. It is another object that said toilet block can be produced in a simple way and is aesthetically pleasing.
  • a hard surface cleaning composition in the form of a toilet block comprising fatty acid soap, a co-surfactant and a long chain alkyl triamine according to the present invention.
  • the present invention provides a hard surface cleaning composition in the form of a toilet block, according to claim 1.
  • At least one triamine compound which is covered by the definition of the foam boosting and stabilizing ingredient of the present invention is known and registered as a biocide.
  • such compound can be favorably used as a foam boosting and stabilizing ingredient in a cleaning composition of the invention which is in the form of a toilet block.
  • the foam boosting action by the foam boosting and stabilizing ingredient of the invention generally more than compensates the de-foaming action by the fatty acid soap which is also present in the composition of the invention.
  • said cleaning composition is used for cleaning a toilet, a significant amount of foam is produced at every flush of the toilet.
  • the foam booster and stabilizing ingredient of the invention is selected from the group consisting of C 8 -C 20 alkyl triamines, C 8 -C 20 alkyl dipropylene triamines, C 8 -C 20 alkyl diethylene triamine and mixtures thereof.
  • foam booster and stabilizing ingredient are selected from C 10 alkyl dipropylene triamine, C 12 alkyl dipropylene triamine and mixtures thereof. It was found that these types of long chain triamine provide the best results in terms of stable foam.
  • Said foam booster and stabilizing ingredient is present at a concentration of from 1 to 30 % by weight, and is preferably present in the cleaning composition of the invention at a concentration of from 1 to 20%, more preferably from 2 to 8%, by weight.
  • the fatty acid soap is present in the cleaning composition of the invention as a surfactant. It is also present for providing the desired transparency of the cleaning composition of the invention.
  • the fatty acid soap is preferably selected from long chain fatty acid soaps having a C 10 -C 20 alkyl group.
  • the most preferred type of said fatty acid soap for use in the composition of the invention is selected from sodium laurate, sodium stearate, sodium oleate, sodium palmate and mixtures thereof.
  • the level of the fatty acid soap in the cleaning composition of the invention is in the range of from 10 to 70%, more preferably from 20 to 70%, by weight.
  • the co-surfactant is preferably present in the composition of the invention at a concentration of from 5 to 50% by weight.
  • Said co-surfactant may generally be chosen from anionic, nonionic, cationic, amphoteric/zwitterionic surfactants and mixtures thereof.
  • the co-surfactant is selected from the group consisting of anionic surfactants, nonionic surfactants, amphoteric surfactants and mixtures thereof.
  • anionic surfactants is meant to be an indication of synthetic anionic surfactants other than soap.
  • Suitable synthetic (non-soap) anionic surfactants are water-soluble salts of organic sulphuric acid mono-esters and sulphonic acids which have in the molecular structure a branched or straight chain alkyl group containing from 6 to 22 carbon atoms in the alkyl part.
  • anionic surfactants water soluble salts of:
  • the preferred water-soluble synthetic anionic surfactants are the alkali metal (such as sodium and potassium) salts of alkyl-benzenesulphonates, olefin sulphonates, alkyl sulphates, and the fatty acid mono-glyceride sulphates. Because of their favorable foaming behavior in the presence of the long chain triamine used in the present invention, olefin sulfonates represent the most preferred type of anionic surfactants.
  • the concentration of the anionic surfactant is preferably from 5 to 15% by weight.
  • a suitable class of nonionic surfactants can be broadly described as compounds produced by the condensation of simple alkylene oxides, which are hydrophilic in nature, with an aliphatic or alkyl-aromatic hydrophobic compound having a reactive hydrogen atom.
  • the length of the hydrophilic or polyoxyalkylene chain which is attached to any particular hydrophobic group can be readily adjusted to yield a compound having the desired balance between hydrophilic and hydrophobic elements. This enables the choice of nonionic surfactants with the right HLB.
  • Particular examples include:
  • ethoxylated alcohols having 5-8 moles of ethylene oxide per mole of alcohol and an a C9-C11 alkyl chain are the most preferred type of nonionic surfactants.
  • amphoteric surfactant can be used:
  • the concentration of the nonionic surfactant is preferably from 5 to 15% by weight.
  • the cleaning composition of the invention may optionally contain biocide material other than the foam booster and stabilizing ingredient of the invention.
  • Said biocide material is preferably selected from CTAC (cetyl trimethyl ammonium chloride), and BAC (benzalkonium chloride) and didecyldimethylammonium chloride, dodecyldipropylene triamine and poly (hexamethylenebiguanide) hydrochloride.
  • CTAC cetyl trimethyl ammonium chloride
  • BAC benzalkonium chloride
  • BAC is the most preferred type of biocide.
  • quaternary ammonium biocide having at least one alkyl chain with a length of at least 14 carbon atoms (C14) show a better biocidal effect than the quaternary ammonium biocides having a shorter chain.
  • the preferred chain length is C14-C16, more preferably a mixture of C14-C16, with 80-98%w of C14.
  • concentration of the biocide in the composition of the invention is preferably 1 to 30%, more preferably 5 to 25%, by weight.
  • the hard surface cleaning composition according to the invention may further comprise builders, dyes, perfume, hygiene agents, antioxidants, radical scavengers, chelating agents, hydrotropes, anticorrosion agents, opacifiers, brighteners, preservatives and/or abrasives such as silica, kaolin, talc etc.
  • Perfume is preferably present in the cleaning composition of the invention, in a preferred concentration of 2 to 15% by weight.
  • the composition may preferably comprise humectant.
  • Humectants maintain both structure and clarity. When present, said humectants will enable retention of water within the toilet block formulation of the invention.
  • Preferred humectants are polyhydroxylated organic compounds, such as sorbitol and sucrose.
  • the solvents glycerol and polyethylene glycol (PEG) are also suitable as humectants.
  • the humectant may be present in a concentration of 0 to 50% by weight of the composition.
  • the humectant is preferably present in a concentration of at least 5%, but preferably not more than 40%, more preferably not more than 30%.
  • Solvents may also be present in the composition.
  • Preferred solvents include poly alkylene glycols (e.g. PEG, PPG) and short chain organic solvents (e.g. ethanol or isopropanol).
  • the solvent may be present in the composition in a concentration of 0 to 20%, preferably 1-15% by weight of the composition.
  • the shape of the hard surface cleaning composition of the invention is preferably hydrodynamic, as this will help in better control of the erosion properties of the block. Such hydrodynamic shape will also assist in the foaming behaviour of the block. Thus, round, smooth shapes are preferred over square/rectangular blocks with sharp edges, due to superior hydrodynamic behaviour.
  • composition life is directly related to its formulation and the size.
  • a normal size toilet block is between about 4 and 50 grams, preferably about 4 to 35 g.
  • a toilet block that is at least partially transparent or translucent.
  • at least partially transparent or translucent is meant that a 1 cm thick sample of the material transmits at least 5% of visible light, preferably at least 20% of visible light, more preferably at least 50% of visible light. More preferably the block is transparent.
  • transparent is meant that a 1 cm thick sample of the block transmits at least 70% of visible light, preferably at least 90%. Due to the presence of a dye, and almost inevitable absorption and/or scattering of some of the light, the transmission is generally below 95% of visible light.
  • the cleaning composition is preferably in the form of a cast toilet block.
  • the toilet block of the invention is present in a cage-less lavatory cleansing device, comprising -in addition to said toilet block- a support member having a hook and adapted to be suspended from the rim of a toilet bowl, whereby the block enrobes or encases part of the hook, preferably the lower part thereof.
  • the foam booster and stabilizing ingredient according to the present invention in these formulations is a mixture of N,N-Bis(3-aminopropyl) dodecylamine.
  • Table 1 Solid composition 1 2 3 %wt %wt %wt Premix 1* 71.9 67.9 72.9 Alpha olefine sulfonate 7.6 7.6 7.6 N,N-Bis(3-aminopropyl) dodecylamine 5.0 5.0 10.0 Amines, C12-18-alkyldimethyl, N-oxides 4.0 4.0 4.0 Fragrance 3.5 3.5 3.5 C9-C11, 8 EO Nonionic Surfactant 8.0 12.0 2.0 Dye 0.01 0.01 0.01 Premix 1* composition Raw Material Range %wt Soap Base 1 Sorbitol 10-25 Aqua 10-25 Propylene Glycol 10-25 Fatty Acid Soaps 10-35 Glycerin 5-10 Sodium Chloride 1-5 Tetras
  • Toilet blocks having these formulations showed good performance and favorable foaming behavior when used for cleaning a toilet bowl.
  • composition of the soap base 2* is shown in Table 3.
  • Table 3 **Soap Base 2 composition
  • Raw Material Range %wt Soap Base Fatty Acid Soaps 10-35 Aqua 15-30 Propylene Glycol 15-30 Glycerine 5-15 Sorbitol 5-15 Dipropylene Glycol 5-15
  • block C is the only toilet block that is according to the invention.
  • Block A only contains a soap base whereas block B contains a soap base, some co-surfactants, perfume and minors.

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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)
  • Detergent Compositions (AREA)

Claims (8)

  1. Composition de nettoyage de surface dure dans la forme d'un bloc pour toilettes, dans laquelle la composition comprend un savon d'acide gras, un co-tensioactif ; et de 1 à 30 % en masse d'un ingrédient stabilisant et favorisant la mousse choisi dans le groupe constitué d'alkyltriamines en C8-C20, d'alkyldipropylènetriamines en C8-C20, d'alkyldiéthylènetriamines en C8-C20, et de mélanges de celles-ci.
  2. Composition de nettoyage selon la revendication 1, dans laquelle l'ingrédient stabilisant et favorisant la mousse est choisi parmi une alkyldipropylènetriamine en C10, une alkyldipropylènetriamine en C12 et des mélanges de celles-ci.
  3. Composition de nettoyage selon la revendication 1 ou la revendication 2, dans laquelle le co-tensioactif est choisi dans le groupe constitué de tensioactifs non ioniques, de tensioactifs anioniques, de tensioactifs amphotères et de mélanges de ceux-ci.
  4. Composition de nettoyage selon l'une quelconque des revendications 1-3, dans laquelle le co-tensioactif est présent dans une concentration de 5 à 50 % en masse.
  5. Composition de nettoyage selon l'une quelconque des revendications 1-4, dans laquelle le savon d'acide gras est choisi parmi des savons à chaîne longue présentant un groupe alkyle en C10-C20.
  6. Composition de nettoyage selon la revendication 5, dans laquelle le savon d'acide gras est choisi parmi le laurate de sodium, le stéarate de sodium, l'oléate de sodium, le palmate de sodium et des mélanges de ceux-ci.
  7. Composition de nettoyage selon l'une quelconque des revendications 1-6, dans laquelle ladite composition est transparente comme définie ici.
  8. Composition de nettoyage selon l'une quelconque des revendications 1-7, dans laquelle ladite composition est dans la forme d'un bloc coulé pour toilettes.
EP12809727.6A 2012-01-20 2012-12-14 Composition de nettoyage de surfaces dures avec promoteur de mousse Not-in-force EP2804941B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12809727.6A EP2804941B1 (fr) 2012-01-20 2012-12-14 Composition de nettoyage de surfaces dures avec promoteur de mousse

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12151851 2012-01-20
PCT/EP2012/075607 WO2013107576A1 (fr) 2012-01-20 2012-12-14 Composition de nettoyage de surfaces dures renfermant un renforçateur de mousse
EP12809727.6A EP2804941B1 (fr) 2012-01-20 2012-12-14 Composition de nettoyage de surfaces dures avec promoteur de mousse

Publications (2)

Publication Number Publication Date
EP2804941A1 EP2804941A1 (fr) 2014-11-26
EP2804941B1 true EP2804941B1 (fr) 2016-03-30

Family

ID=47501178

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Application Number Title Priority Date Filing Date
EP12809727.6A Not-in-force EP2804941B1 (fr) 2012-01-20 2012-12-14 Composition de nettoyage de surfaces dures avec promoteur de mousse

Country Status (4)

Country Link
EP (1) EP2804941B1 (fr)
CN (1) CN104093826B (fr)
PL (1) PL2804941T3 (fr)
WO (1) WO2013107576A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015109697A1 (de) * 2015-06-17 2016-12-22 Buck-Chemie Gmbh Stückförmiges Reinigungsmittel für den WC-Bereich
CN109294754A (zh) * 2018-10-23 2019-02-01 湖北天喜达生物科技有限公司 一种抗菌防污环保油污净及其制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2267205A (en) * 1938-08-04 1941-12-23 Monsanto Chemicals Detergent
GB9022623D0 (en) 1990-10-18 1990-11-28 Univ Manchester Depth of anaesthesia monitoring
GB9217715D0 (en) 1992-08-20 1992-09-30 Unilever Plc Dispensing device
US5786312A (en) * 1996-06-12 1998-07-28 Lever Brothers Company, Division Of Conopco, Inc. Bar composition comprising copolymer mildness actives
US5728663A (en) * 1996-07-02 1998-03-17 Johnson & Johnson Consumer Products, Inc. Clear, colorless soap bar with superior mildness, lathering and discolorization resistence
DE19826293A1 (de) 1998-06-12 2000-03-23 Buck Chemie Gmbh Sanitärmittel
GB2389123B (en) 2002-05-29 2005-08-17 Unilever Plc Rechargeable dispensing device
GB0311174D0 (en) * 2003-05-15 2003-06-18 Baker Brian F Anti-viral cleaning composition
PL2082020T3 (pl) 2006-11-16 2012-11-30 Unilever Nv Samoprzylepna kostka czyszcząca do twardych powierzchni
UA100687C2 (ru) * 2007-04-16 2013-01-25 Юнилевер Н.В. Чистящий блок для туалета

Also Published As

Publication number Publication date
PL2804941T3 (pl) 2016-10-31
EP2804941A1 (fr) 2014-11-26
WO2013107576A1 (fr) 2013-07-25
CN104093826B (zh) 2017-12-01
CN104093826A (zh) 2014-10-08

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