EP3339422A1 - Composition de détergent pour lessive - Google Patents

Composition de détergent pour lessive Download PDF

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Publication number
EP3339422A1
EP3339422A1 EP17208549.0A EP17208549A EP3339422A1 EP 3339422 A1 EP3339422 A1 EP 3339422A1 EP 17208549 A EP17208549 A EP 17208549A EP 3339422 A1 EP3339422 A1 EP 3339422A1
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EP
European Patent Office
Prior art keywords
particle
detersive surfactant
oblate
distorted
volume
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.)
Granted
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EP17208549.0A
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German (de)
English (en)
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EP3339422B1 (fr
Inventor
Nigel Patrick Somerville Roberts
Luis Martin De Juan
Neil Joseph Lant
Alan Thomas Brooker
Gang SI
Phillip Jan Howard
Christopher Gerold Stoltz
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Procter and Gamble Co
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Procter and Gamble Co
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Publication date
Priority claimed from EP17173002.1A external-priority patent/EP3339415A1/fr
Priority claimed from EP17173000.5A external-priority patent/EP3339414A1/fr
Priority claimed from EP17173007.0A external-priority patent/EP3339419A1/fr
Priority claimed from EP17173004.7A external-priority patent/EP3339416A1/fr
Priority claimed from EP17172999.9A external-priority patent/EP3339413A1/fr
Priority claimed from EP17173001.3A external-priority patent/EP3339407A1/fr
Priority claimed from EP17173006.2A external-priority patent/EP3339418A1/fr
Priority claimed from EP17173005.4A external-priority patent/EP3339417A1/fr
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of EP3339422A1 publication Critical patent/EP3339422A1/fr
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    • 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
    • C11D17/0039—Coated compositions or coated components in the compositions, (micro)capsules
    • 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
    • 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
    • C11D1/66—Non-ionic compounds
    • C11D1/83—Mixtures of non-ionic with anionic compounds
    • 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
    • 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

Definitions

  • the present invention relates to a laundry detergent composition having a distorted lenticular size and shape.
  • the lenticular laundry detergent compositions of the present invention exhibit good flowability profiles.
  • the present invention seeks to provide a lenticular laundry detergent product having a flowability profile that enables a good control of product dispensing, especially from a bottle.
  • the inventors have found that by distorting the oblate spheroid shape of the lenticular detergent particle, the flowability of such particles can be altered so as to enable a higher level of control of dosing, especially when pouring the particles from a bottle container.
  • the present invention provides a coated detergent particle having a distorted oblate spheroidal shape with perpendicular dimensions x, y and z, wherein x is from 1 to 2 mm, y is from 2 to 8mm, and z is from 2 to 8 mm, wherein the particle comprises:
  • the coated detergent particle has perpendicular dimensions x, y and z, wherein x is from 1 to 2 mm, y is from 2 to 8mm, and z is from 2 to 8 mm, wherein the particle comprises:
  • the degree of distortion of the particles from an oblate spheroid form can be altered by changing the process conditions under which the particles are made.
  • extrudates are made by extruding material through a twin-screw extruder equipped with a die-plate (with orifices) and a rotational cutter.
  • Suitable extruders are the MPX series from Baker Perkins.
  • the maximum y and z dimensions of the particle can be varied by altering dimensions of the orifice through which the extruded material is passed.
  • the degree of distortion is most easily altered by changing the rate at which the material is extruded through the orifice of an extruder and the frequency of cutting.
  • Decreasing the frequency at which a rotary cutter tool passes the front of the orifices in the die-plate will increase the degree of distortion and hence reduce the surface area to volume ratio.
  • Increasing the speed at which material passes through an orifice prior to cutting can also be used to increase the degree of distortion and reduce the surface area to volume ratio due to the increased "springback" that will happen at higher extrusion velocities.
  • the S/V ratio may be increased by increasing the rotational speed of cutting and increasing the degree of hardness of the extrusion mix.
  • the oblate spheroidal shape is distorted such that the greatest of the ratio of the surface area (S) to volume (V) of half the particle in the y-z plane is different to the value of NL.
  • the oblate spheroidal shape of the particle may be distorted such that at the radius equal to the linear eccentricity (c), the greatest of the half height of the particle (h) in the x-plane is greater than the lactus rectum ( p ) multiplied by 1.05, h > p ⁇ 1.05.
  • the oblate spheroidal shape of the particle may be distorted such that the ratio of the surface area (S) to volume (V) of the particle is less than NL multiplied by 0.99, S / V ⁇ NL ⁇ 0.99.
  • volume ratio of the particle is typically above 1, where volume ratio is defined as the ratio of (i) the greater volume of the particle to one size of the y-z plane to (ii) the lesser volume of the particle to the other side of the y-z plane
  • the coated detergent particle is also referred to herein as the composition.
  • the composition has a pH in the range of from 7.6 to 10.0.
  • the composition has a reserve alkalinity to pH 7.5 of greater than 3.0.
  • the composition is in the form of a coated laundry detergent particle that is curved.
  • the coating comprises the inorganic salt (b), and wherein the core comprises the detersive surfactant (a).
  • the dimensions of the particles can be determined by use of X-Ray Tomography techniques (referred to as micro-CT).
  • micro-CT X-Ray Tomography techniques
  • a suitable instrument for analyzing the 3-dimensional shape of the particles is the GE Phoenix v tome x micro-CT scanner (from GE Sensing & Inspection Technologies GmbH Niels-Bohr-Str.7 31515 Wunstorf, Germany). Samples for analysis can be positioned on the equipment plate with a diameter of 35 mm.
  • Each reconstructed data set consists of a stack of 2D images, each 2014*2014 pixels, with an isotropic resolution of 19.40 ⁇ m.
  • Thresholding, image analysis, and quantification of particle volumes above and below the y-z plane can be done using appropriate software using the associated procedures, for example VG Studio MAX 3.0 (Volume Graphics GmbH, Germany) and Avizo 9.1.1 (Visualization Services Group / FEI Company, Burlington, Massachusetts, U.S.A.). Suitable analysis can be done as below.
  • Average surface roughness (Ra) Typically, the particle has an average surface roughness (Ra) of less than 6.0 ⁇ m.
  • Ra average surface roughness
  • a mean line is first found that is parallel to the general surface direction and divides the surface in such a way that the sum of the areas formed above the line is equal to the sum of the areas formed bellow the line.
  • the surface roughness RA is now given be the sum of the absolute values of all the areas above and below the mean line divided by the sampling length. Characterization of surface roughness can be done on profilometer instruments as described in WO2010/122050 .
  • coefficient of friction is the static coefficient of friction.
  • the particle has a coefficient of friction in the range of from 0.2 to 0.5.
  • a coefficient of friction is typically expressed as the ratio between the surface (tangential) v/s the normal force applied on the contact. This is typically obtained from bulk flow experimental calibrations (such as heap test/angle of repose). A heap is formed by allowing bulk material flow drop under gravity. A slope angle is obtained from these experiments. Simulations are run with different frictional values until the angle of repose is matched. For these simulations, dynamic and static friction is kept the same. Often when non-spherical particles are approximated with the spherical particles, rolling friction model is deployed as well. The value of coefficient of friction typical ranges between 0-1. Where 0 would mean no resistance being offered (very smooth contacts) and 1 would mean a high resistance offered (very rough contacts).
  • the coated laundry detergent particle may be shaped as a disc.
  • the coated laundry detergent particle does not have hole; that is to say, the coated laundry detergent particle does not have a conduit that passes through the core: i.e. the coated detergent particle has a topologic genus of zero.
  • composition may comprise from 0.05wt% to 4.0wt% soil release polymer.
  • the composition may comprise from 0.1wt% to 3.0wt% carboxymethylcellulose (CMC).
  • CMC carboxymethylcellulose
  • the composition may comprise from 0.1wt% to 5.0wt% calcite.
  • the composition may comprise from 1wt% to 10wt% carboxylate polymer.
  • the composition may comprise less than 10wt% total level of silicates and aluminosilicates.
  • composition may comprise from 0.001wt% to 0.5wt% hueing dye.
  • composition may comprise from 0.001wt% to 0.5wt% organic pigment and/or inorganic pigment.
  • the composition may comprise from 0.2 wt% to 10wt% chelant, preferably phosphonate chelant.
  • composition preferably comprises from 10wt% to 40wt% sodium carbonate.
  • the the alkyl benzene sulphonate may have a 2-phenyl isomer content of at least 20wt%, preferably at least 25wt%.
  • a suitable method for making the detergent particle is described in WO2010/122050 .
  • a suitable detersive surfactant system typically comprises at least 5% alcohol ether carboxylate as a percentage of the total detersive surfactant system.
  • a suitable detersive surfactant system typically comprises at least 5% alcohol ethoxylate having an average degree of ethoxylation in the range of from 10 to 50 as a percentage of the total detersive surfactant system.
  • the detersive surfactant comprises C 8 -C 24 alkyl ethoxylated alcohol having an average degree of ethoxylation of from 20 to 50, and preferably the compositon comprises from 1wt% to 10wt% C 8 -C 24 alkyl ethoxylated alcohol having an average degree of ethoxylation of from 20 to 50.
  • a suitable highly ethoxylated alcohol is Lutensol® AO30 from BASF and/or Slovasol® 2430 from Sasol.
  • Anionic detersive surfactant Suitable anionic detersive surfactants include sulphonate and sulphate detersive surfactants.
  • Suitable sulphonate detersive surfactants include methyl ester sulphonates, alpha olefin sulphonates, alkyl benzene sulphonates, especially alkyl benzene sulphonates, preferably C 10-13 alkyl benzene sulphonate.
  • Suitable alkyl benzene sulphonate (LAS) is obtainable, preferably obtained, by sulphonating commercially available linear alkyl benzene (LAB); suitable LAB includes low 2-phenyl LAB, other suitable LAB include high 2-phenyl LAB, such as those supplied by Sasol under the tradename Hyblene®.
  • Suitable sulphate detersive surfactants include alkyl sulphate, preferably C 8-18 alkyl sulphate, or predominantly C 12 alkyl sulphate.
  • a preferred sulphate detersive surfactant is alkyl alkoxylated sulphate, preferably alkyl ethoxylated sulphate, preferably a C 8-18 alkyl alkoxylated sulphate, preferably a C 8-18 alkyl ethoxylated sulphate, preferably the alkyl alkoxylated sulphate has an average degree of alkoxylation of from 0.5 to 20, preferably from 0.5 to 10, preferably the alkyl alkoxylated sulphate is a C 8-18 alkyl ethoxylated sulphate having an average degree of ethoxylation of from 0.5 to 10, preferably from 0.5 to 5, more preferably from 0.5 to 3 and most preferably from 0.5 to 1.5.
  • alkyl sulphate, alkyl alkoxylated sulphate and alkyl benzene sulphonates may be linear or branched, substituted or un-substituted, and may be derived from petrochemical material or biomaterial.
  • anionic detersive surfactants include alkyl ether carboxylates.
  • Suitable anionic detersive surfactants may be in salt form, suitable counter-ions include sodium, calcium, magnesium, amino alcohols, and any combination thereof. A preferred counterion is sodium.
  • Alkyl ether carboxylic acid has the following structure: R-(OCH 2 CH 2 )n-OCH 2 -COOH wherein,
  • Suitable materials are sold under the AKYPO® (Kao) and Empicol® C (Huntsman) brand names.
  • Non-ionic detersive surfactant Suitable non-ionic detersive surfactants are selected from the group consisting of: C 8 -C 18 alkyl ethoxylates, such as, NEODOL® non-ionic surfactants from Shell; C 6 -C 12 alkyl phenol alkoxylates wherein preferably the alkoxylate units are ethyleneoxy units, propyleneoxy units or a mixture thereof; C 12 -C 18 alcohol and C 6 -C 12 alkyl phenol condensates with ethylene oxide/propylene oxide block polymers such as Pluronic® from BASF; alkylpolysaccharides, preferably alkylpolyglycosides; methyl ester ethoxylates; polyhydroxy fatty acid amides; ether capped poly(oxyalkylated) alcohol surfactants; and mixtures thereof.
  • C 8 -C 18 alkyl ethoxylates such as, NEODOL® non-ionic surfactants from Shell
  • Suitable non-ionic detersive surfactants are alkylpolyglucoside and/or an alkyl alkoxylated alcohol.
  • Suitable non-ionic detersive surfactants include alkyl alkoxylated alcohols, preferably C 8-18 alkyl alkoxylated alcohol, preferably a C 8-18 alkyl ethoxylated alcohol, preferably the alkyl alkoxylated alcohol has an average degree of alkoxylation of from 1 to 50, preferably from 1 to 30, or from 1 to 20, or from 1 to 10, preferably the alkyl alkoxylated alcohol is a C 8-18 alkyl ethoxylated alcohol having an average degree of ethoxylation of from 1 to 10, preferably from 1 to 7, more preferably from 1 to 5 and most preferably from 3 to 7.
  • the alkyl alkoxylated alcohol can be linear or branched, and substituted or un-substituted.
  • Suitable nonionic detersive surfactants include secondary alcohol-based detersive surfactants.
  • Amino acid derivative complexing agent is selected from one or more of the following, in any stereoisomer or mixture of stereoisomer form:
  • the composition comprises from 0.1wt% to 10wt% methylglycinediacetic acid and salts thereof (MGDA)
  • amino acid derivative complexing agent it may be preferred to formulate the amino acid derivative complexing agent in acid form.
  • amino acid derivative complexing agent in salt form, especially preferred is the sodium salt form.
  • Suitable MGDA salts are produced by BASF.
  • Suitable GLDA salts are produced by Akzo Nobel and Showa Denko.
  • Suitable ASDA salts are produced by Mitsubishi Rayon.
  • Alkoxylated polyaryl/polyalkyl phenol has the following structure: wherein R 1 is selected from linear of branched C 3 -C 15 alkyl groups and aryl groups, X is selected from ethoxy or propoxy groups, n is from 2 to 70, T is selected from H, SO 3 - , COO - and PO 3 2 -
  • the alkoxylated polyaryl or alkoxylated polyalkyl phenol is preferably selected from groups (i) to (iv):
  • Such compounds are available from industrial suppliers, for example Solvay under the Soprophor trade name, from Clariant under the Emulsogen trade name, Aoki Oil Industrial Co. under the Blaunon trade name, from Stepan under the Makon trade name, and from TOTO Chemical Industry Co. under the Sorpol trade name.
  • suitable compounds are Emulsogen® TS160, Hostapal® BV conc., Sapogenat® T110 or Sapogenat® T139, all from Clariant.
  • the alkoxylated polyaryl/polyalkyl phenol may be present at levels of 0.5-20wt%, preferably 1-15wt%, most preferably 3-10wt%.
  • Amylase variant comprises:
  • One preferred amylase variant comprises a sequence corresponding to SEQ ID NO: 1 with the following mutations: H183*+G184*+I405L+A421H+A422P+A428T.
  • a suitable amylase is commercially available from Novozymes under the Amplify® brand name, for example as a liquid raw material as Amplify® 12L.
  • a suitable lipase is a variant of SEQ ID NO:2 comprising:
  • One preferred lipase is a variant of SEQ ID NO: 2 comprising the following substitutions: T231R, N233R, D27R, G38A, D96E, D111A, G163K, D254S and P256T
  • One preferred lipase is a variant of SEQ ID NO: 2 comprising the following substitutions: T231R, N233R, N33Q, G91Q, E210Q, I255A.
  • Suitable lipases are commercially available from Novozymes, for example as Lipex Evity 100L (a liquid raw material) and Lipex Evity 105T (a granulate). These lipases have different structures to the products Lipex 100L, Lipex 100T and Lipex Evity 100T which are outside the scope of this particular lipase definition.
  • Metalloproteases can be derived from animals, plants, bacteria or fungi. Suitable metalloprotease can be selected from the group of neutral metalloproteases and Myxobacter metalloproteases. Suitable metalloproteases can include collagenases, hemorrhagic toxins from snake venoms and thermolysin from bacteria.
  • thermolysin enzyme variants include an M4 peptidase, more preferably the thermolysin enzyme variant is a member of the PepSY ⁇ Peptidase_M4 ⁇ Peptidase_M4_C family.
  • thermolysin enzyme variant can have at least 50% identity to the thermolysin set forth in SEQ ID NO: 3.
  • the thermolysin enzyme variant is from a genus selected from the group consisting of Bacillus, Geobacillus, Alicyclobacillus, Lactobacillus, Exiguobacterium, Brevibacillus, Paenibacillus, Herpetosiphon, Oceanobacillus, Shewanella, Clostridium, Staphylococcus, Flavobacterium, Stigmatella, Myxococcus, Vibrio, Methanosarcina, Chryseobacterium, Streptomyces, Kribbella, Janibacter, Nocardioides, Xanthamonas, Micromonospora, Burkholderia, Dehalococcoides, Croceibacter, Kordia, Microscilla, Thermoactinomyces, Chloroflexus, Listeria, PLesiocystis,
  • thermolysin enzyme variant is from a genus selected from the group consisting of Bacillus, Geobacillus, Alicyclobacillus, Lactobacillus, Exiguobacterium, Brevibacillus, Paenibacillus, Herpetosiphon, Oceanobacillus, Shewanella, Clostridium, Staphylococcus, Flavobacterium, Stigmatella, Myxococcus, Vibrio, Methanosarcina, Chryseobacterium, and Pseudoalteromonas.
  • thermolysin enzyme is from the genus Bacillus.
  • Preferred metalloproteases include thermolysin, matrix metalloproteinases and those metalloproteases derived from Bacillus subtilis, Bacillus thermoproteolyticus, Geobacillus stearothermophilus or Geobacillus sp. , or Bacillus amyloliquefaciens, as described in US PA 2008/0293610A1 .
  • a specially preferred metalloprotease belongs to the family EC3.4.24.27.
  • thermolysin variants described in WO2014/71410 .
  • the metalloprotease is a variant of a parent protease, said parent protease having at least 60%, or 80%, or 85% or 90% or 95% or 96% or 97% or 98% or 99% or even 100% identity to SEQ ID NO:3 including those with substitutions at one or more of the following sets of positions versus SEQ ID NO:3:
  • the metalloprotease protease is a variant of a parent protease, said parent protease having at least 60%, or 80%, or 85% or 90% or 95% or 96% or 97% or 98% or 99% or even 100% identity to SEQ ID NO:3 including those with substitutions at one or more of the following sets of positions versus SEQ ID NO:3:
  • metalloproteases are the NprE variants described in WO2007/044993 , WO2009/058661 and US 2014/0315775 .
  • the protease is a variant of a parent protease, said parent protease having at least 45%, or 60%, or 80%, or 85% or 90% or 95% or 96% or 97% or 98% or 99% or even 100% identity to SEQ ID NO:4 including those with substitutions at one or more of the following sets of positions versus SEQ ID NO:4:
  • Another suitable metalloprotease is a variant of a parent protease, said parent protease having at least 60%, or 80%, or 85% or 90% or 95% or 96% or 97% or 98% or 99% or even 100% identity to SEQ ID NO:4 including those with substitutions at one or more of the following sets of positions versus SEQ ID NO:4:
  • Especially preferred metalloproteases for use herein belong belong to EC classes EC 3.4.22 or EC3.4.24, more preferably they belong to EC classes EC3.4.22.2, EC3.4.24.28 or EC3.4.24.27.
  • the most preferred metalloprotease for use herein belong to EC3.4.24.27.
  • Suitable commercially available metalloprotease enzymes include those sold under the trade names Neutrase® by Novozymes A/S (Denmark), the Corolase® range including Corolase® 2TS, Corolase® N, Corolase® L10, Corolase® LAP and Corolase® 7089 from AB Enzymes, Protex 14L and Protex 15L from DuPont (Palo Alto, California), those sold as thermolysin from Sigma and the Thermoase range (PC10F and C100) and thermolysin enzyme from Amano enzymes.
  • a preferred metalloprotease is selected from the M4 Metalloprotease Family.
  • a suitable water-soluble builder system comprising one or more aminocarboxylates, selected from: methylglycine diacetic acid (MGDA) and/or alkali metal or ammonium salts thereof; N,N-dicarboxymethyl glutamic acid (GLDA) and/or alkali metal or ammonium salts thereof; Aspartic acid N,N-diacetic acid (ASDA) and/or alkali metal or ammonium salts thereof; Ethylene diamine-N,N'-disuccunic acid (EDDS) and/or alkali metal or ammonium salt thereof; 2-hydroxy propylene diamine-N,N'-disuccunic acid (HPDDS), and/or alkali metal or ammonium salt thereof; ethylenediamine-N,N'-diglutaric acid (EDDG and/or alkali metal or ammonium salt thereof; ethylenediamine-N,N'-bis-(orthohydroxyphenyl)acetic acid (EDDHA)
  • a suitable phosphonate chelant is selected from: 1-hydroxyethane-1,1-diphosphonic acid (HEDP); Diethylene triamine pentamethylene phosphonic acid (DTPMP, CW-Base); 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTC); Amino trimethylene phosphonic acid (ATMP); Ethylenediamine tetramethylene phosphonic acid (EDTMP); Diethylenetriamine pentamethylene phosphonic acid (DTPMP); Aminotrimethylene phosphonic acid (ATMP); salts of the aforementioned materials; and any combination thereof.
  • HEDP 1-hydroxyethane-1,1-diphosphonic acid
  • DTPMP Diethylene triamine pentamethylene phosphonic acid
  • PBTC 2-phosphonobutane-1,2,4-tricarboxylic acid
  • ATMP Amino trimethylene phosphonic acid
  • ETMP Ethylenediamine tetramethylene phosphonic acid
  • DTPMP
  • Carboxylate polymer The composition may comprise a carboxylate polymer, such as a maleate/acrylate random copolymer, maleic-olefin copolymers or polyacrylate homopolymer.
  • Suitable carboxylate polymers include: polyacrylate homopolymers having a molecular weight of from 4,000 Da to 9,000 Da; maleate/acrylate random copolymers having a molecular weight of from 50,000 Da to 100,000 Da, or from 60,000 Da to 80,000 Da.
  • Acusol 410N, Acusol 445N polyacrylic acid, Na salt
  • Acusol 450N and Acusol 480N modified polyacrylic acid, Na salt
  • Acusol 460N maleic acid/olefin, Na salt
  • Sokolan CP5 and Sokolan CP12S maleic acid/acrylic acid, Na salt
  • Sokolan CP 9 maleic acid/olefin, Na salt.
  • the Acusol series are available from Rohm & Haas, Philadelphia, PA and the Sokolan series are available from BASF (Germany and New Jersey).
  • Suitable carboxylate polymers can contain other monomers including modified acrylic, fumaric, maleic, itaconic, aconitic, mesaconic, citraconic and methylenemalonic acid or their salts, modified maleic anhydride, acrylamide, alkylene, vinylmethyl ether, styrene and any mixtures thereof.
  • Suitable carboxylate polymers can also containing 2-acrylamido-2-methyl-1-propanesulfonic acid, 2-methacrylamido-2-methyl-1-propanesulfonic acid, 3-methacrylamido-2-hydroxy-propanesulfonic acid, allysulfonic acid, methallysulfonic acid, 2-hydroxy-3-(2-propenyloxy)propanesulfonic acid, 2-methyl-2-propenen-1-sulfonic acid, styrenesulfonic acid, vinylsulfonic acid, 3-sulfopropyl acrylate, 3-sulfopropylmethacrylate, sulfomethylacrylamide, sulfomethylmethacrylamide and water soluble salts thereof.
  • Another suitable carboxylate polymer is a co-polymer that comprises: (i) from 50 to less than 98 wt% structural units derived from one or more monomers comprising carboxyl groups; (ii) from 1 to less than 49 wt% structural units derived from one or more monomers comprising sulfonate moieties; and (iii) from 1 to 49 wt% structural units derived from one or more types of monomers selected from ether bond-containing monomers represented by formulas (I) and (II): wherein in formula (I), R 0 represents a hydrogen atom or CH 3 group, R represents a CH 2 group, CH 2 CH 2 group or single bond, X represents a number 0-5 provided X represents a number 1-5 when R is a single bond, and R 1 is a hydrogen atom or C 1 to C 20 organic group; wherein in formula (II), R 0 represents a hydrogen atom or CH 3 group, R represents a CH 2 group, CH 2 CH 2 group or single bond,
  • Soil release polymer The composition may comprise a soil release polymer.
  • a suitable soil release polymer has a structure as defined by one of the following structures (I), (II) or (III): (I) -[(OCHR 1 -CHR 2 ) a -O-OC-Ar-CO-] d (II) -[(OCHR 3 -CHR 4 ) b -O-OC-sAr-CO-] e (III) -[(OCHR 5 -CHR 6 ) c -OR 7 ] f wherein:
  • Anti-redeposition polymer Suitable anti-redeposition polymers include polyethylene glycol polymers and/or polyethyleneimine polymers.
  • Suitable polyethylene glycol polymers include random graft co-polymers comprising: (i) hydrophilic backbone comprising polyethylene glycol; and (ii) hydrophobic side chain(s) selected from the group consisting of: C 4 -C 25 alkyl group, polypropylene, polybutylene, vinyl ester of a saturated C 1 -C 6 mono-carboxylic acid, C 1 -C 6 alkyl ester of acrylic or methacrylic acid, and mixtures thereof.
  • Suitable polyethylene glycol polymers have a polyethylene glycol backbone with random grafted polyvinyl acetate side chains.
  • the average molecular weight of the polyethylene glycol backbone can be in the range of from 2,000 Da to 20,000 Da, or from 4,000 Da to 8,000 Da.
  • the molecular weight ratio of the polyethylene glycol backbone to the polyvinyl acetate side chains can be in the range of from 1:1 to 1:5, or from 1:1.2 to 1:2.
  • the average number of graft sites per ethylene oxide units can be less than 1, or less than 0.8, the average number of graft sites per ethylene oxide units can be in the range of from 0.5 to 0.9, or the average number of graft sites per ethylene oxide units can be in the range of from 0.1 to 0.5, or from 0.2 to 0.4.
  • a suitable polyethylene glycol polymer is Sokalan HP22. Suitable polyethylene glycol polymers are described in WO08/007320 .
  • Cellulosic polymer Suitable cellulosic polymers are selected from alkyl cellulose, alkyl alkoxyalkyl cellulose, carboxyalkyl cellulose, alkyl carboxyalkyl cellulose, sulphoalkyl cellulose, more preferably selected from carboxymethyl cellulose, methyl cellulose, methyl hydroxyethyl cellulose, methyl carboxymethyl cellulose, and mixures thereof.
  • Suitable carboxymethyl celluloses have a degree of carboxymethyl substitution from 0.5 to 0.9 and a molecular weight from 100,000 Da to 300,000 Da. Suitable carboxymethyl celluloses have a degree of substitution greater than 0.65 and a degree of blockiness greater than 0.45, e.g. as described in WO09/154933 .
  • Suitable care polymers include cellulosic polymers that are cationically modified and/or hydrophobically modified. Such modified cellulosic polymers can provide anti-abrasion benefits and dye lock benefits to fabric during the laundering cycle.
  • Suitable cellulosic polymers include cationically modified hydroxyethyl cellulose.
  • Suitable care polymers also include guar polymers that are cationically and/or hydrophobically modified.
  • Other suitable care polymers include dye lock polymers, for example the condensation oligomer produced by the condensation of imidazole and epichlorhydrin, preferably in ratio of 1:4:1.
  • a suitable commercially available dye lock polymer is Polyquart® FDI (Cognis).
  • Suitable care polymers include amino-silicone, which can provide fabric feel benefits and fabric shape retention benefits.
  • the composition may comprise an alkoxylated polyalkyleneimine, wherein said alkoxylated polyalkyleneimine has a polyalkyleneimine core with one or more side chains bonded to at least one nitrogen atom in the polyalkyleneimine core, wherein said alkoxylated polyalkyleneimine has an empirical formula (I) of (PEI) a -(EO) b -R 1 , wherein a is the average number-average molecular weight (MW PEI ) of the polyalkyleneimine core of the alkoxylated polyalkyleneimine and is in the range of from 100 to 100,000 Daltons, wherein b is the average degree of ethoxylation in said one or more side chains of the alkoxylated polyalkyleneimine and is in the range of from 5 to 40, and wherein R 1 is independently selected from the group consisting of hydrogen, C 1 -C 4 alkyls, and combinations thereof.
  • the composition may comprise an alkoxylated polyalkyleneimine, wherein said alkoxylated polyalkyleneimine has a polyalkyleneimine core with one or more side chains bonded to at least one nitrogen atom in the polyalkyleneimine core, wherein the alkoxylated polyalkyleneimine has an empirical formula (II) of (PEI) o -(EO) m (PO) n -R 2 or (PEI) o -(PO) n (EO) m -R 2 , wherein o is the average number-average molecular weight (MW PEI ) of the polyalkyleneimine core of the alkoxylated polyalkyleneimine and is in the range of from 100 to 100,000 Daltons, wherein m is the average degree of ethoxylation in said one or more side chains of the alkoxylated polyalkyleneimine which ranges from 10 to 50, wherein n is the average degree of propoxylation in said one or more side chains of the
  • Suitable bleach includes sources of hydrogen peroxide, bleach activators, bleach catalysts, pre-formed peracids and any combination thereof.
  • a particularly suitable bleach includes a combination of a source of hydrogen peroxide with a bleach activator and/or a bleach catalyst.
  • Source of hydrogen peroxide include sodium perborate and/or sodium percarbonate.
  • Suitable bleach activators include tetra acetyl ethylene diamine and/or alkyl oxybenzene sulphonate.
  • the composition may comprise a bleach catalyst.
  • Suitable bleach catalysts include oxaziridinium bleach catalysts, transistion metal bleach catalysts, especially manganese and iron bleach catalysts.
  • a suitable bleach catalyst has a structure corresponding to general formula below: wherein R 13 is selected from the group consisting of 2-ethylhexyl, 2-propylheptyl, 2-butyloctyl, 2-pentylnonyl, 2-hexyldecyl, n-dodecyl, n-tetradecyl, n-hexadecyl, n-octadecyl, iso-nonyl, isodecyl, iso-tridecyl and iso-pentadecyl.
  • Pre-formed peracid Suitable pre-form peracids include phthalimido-peroxycaproic acid. However, it is preferred that the composition is substantially free of pre-formed peracid. By: “substantially free” it is meant: “no deliberately added”.
  • Enzymes include lipases, proteases, cellulases, amylases and any combination thereof.
  • Suitable proteases include metalloproteases and/or serine proteases.
  • suitable neutral or alkaline proteases include: subtilisins (EC 3.4.21.62); trypsin-type or chymotrypsin-type proteases; and metalloproteases.
  • the suitable proteases include chemically or genetically modified mutants of the aforementioned suitable proteases.
  • protease enzymes include those sold under the trade names Alcalase®, Savinase®, Primase®, Durazym®, Polarzyme®, Kannase®, Liquanase®, Liquanase Ultra®, Savinase Ultra®, Ovozyme®, Neutrase®, Everlase® and Esperase® by Novozymes A/S (Denmark), those sold under the tradename Maxatase®, Maxacal®, Maxapem®, Preferenz P® series of proteases including Preferenz® P280, Preferenz® P281, Preferenz® P2018-C, Preferenz® P2081-WE, Preferenz® P2082-EE and Preferenz® P2083-A/J, Properase®, Purafect®, Purafect Prime®, Purafect Ox®, FN3®, FN4®, Excellase® and Purafect OXP® by DuPont, those sold
  • a suitable protease is described in WO11/140316 and WO11/072117 .
  • Amylase Suitable amylases are derived from AA560 alpha amylase endogenous to Bacillus sp. DSM 12649, preferably having the following mutations: R118K, D183*, G184*, N195F, R320K, and/or R458K.
  • Suitable commercially available amylases include Stainzyme®, Stainzyme® Plus, Natalase, Termamyl®, Termamyl® Ultra, Liquezyme® SZ, Duramyl®, Everest® (all Novozymes) and Spezyme® AA, Preferenz S® series of amylases, Purastar® and Purastar® Ox Am, Optisize® HT Plus (all Du Pont).
  • a suitable amylase is described in WO06/002643 .
  • Suitable cellulases include those of bacterial or fungal origin. Chemically modified or protein engineered mutants are also suitable. Suitable cellulases include cellulases from the genera Bacillus, Pseudomonas, Humicola, Fusarium, Thielavia, Acremonium, e.g., the fungal cellulases produced from Humicola insolens, Myceliophthora thermophila and Fusarium oxysporum.
  • cellulases include Celluzyme®, Carezyme®, and Carezyme® Premium, Celluclean® and Whitezyme® (Novozymes A/S), Revitalenz® series of enzymes (Du Pont), and Biotouch® series of enzymes (AB Enzymes).
  • Suitable commercially available cellulases include Carezyme® Premium, Celluclean® Classic. Suitable cellulases are described in WO07/144857 and WO10/056652 .
  • Suitable lipases include those of bacterial, fungal or synthetic origin, and variants thereof. Chemically modified or protein engineered mutants are also suitable. Examples of suitable lipases include lipases from Humicola (synonym Thermomyces ), e.g., from H. lanuginosa ( T. lanuginosus ).
  • the lipase may be a "first cycle lipase", e.g. such as those described in WO06/090335 and WO13/116261 .
  • the lipase is a first-wash lipase, preferably a variant of the wild-type lipase from Thermomyces lanuginosus comprising T231R and/or N233R mutations.
  • Preferred lipases include those sold under the tradenames Lipex®, Lipolex® and Lipoclean® by Novozymes, Bagsvaerd, Denmark.
  • Liprl 139 e.g. as described in WO2013/171241
  • TfuLip2 e.g. as described in WO2011/084412 and WO2013/033318 .
  • Other enzymes are bleaching enzymes, such as peroxidases/oxidases, which include those of plant, bacterial or fungal origin and variants thereof.
  • bleaching enzymes such as peroxidases/oxidases, which include those of plant, bacterial or fungal origin and variants thereof.
  • commercially available peroxidases include Guardzyme® (Novozymes A/S).
  • Other suitable enzymes include choline oxidases and perhydrolases such as those used in Gentle Power BleachTM.
  • Suitable enzymes include pectate lyases sold under the tradenames X-Pect®, Pectaway® (from Novozymes A/S, Bagsvaerd, Denmark) and PrimaGreen® (DuPont) and mannanases sold under the tradenames Mannaway® (Novozymes A/S, Bagsvaerd, Denmark), and Mannastar® (Du Pont).
  • identity refers to the relatedness between two amino acid sequences.
  • the degree of sequence identity between two amino acid sequences is determined using the Needleman-Wunsch algorithm ( Needleman and Wunsch, 1970, J. Mol. Biol. 48: 443-453 ) as implemented in the Needle program of the EMBOSS package ( EMBOSS: The European Molecular Biology Open Software Suite, Rice et al., 2000, Trends Genet. 16: 276-277 ), preferably version 3.0.0 or later.
  • the optional parameters used are gap open penalty of 10, gap extension penalty of 0.5, and the EBLOSUM62 (EMBOSS version of BLOSUM62) substitution matrix.
  • the output of Needle labeled "longest identity” (obtained using the -nobrief option) is used as the percent identity and is calculated as follows: Identical Residues ⁇ 100 / Length of Alignment ⁇ Total Number of Gaps in Alignment .
  • Suitable fluorescent brighteners include: di-styryl biphenyl compounds, e.g. Tinopal® CBS-X, di-amino stilbene di-sulfonic acid compounds, e.g. Tinopal® DMS pure Xtra and Blankophor® HRH, and Pyrazoline compounds, e.g. Blankophor® SN, and coumarin compounds, e.g. Tinopal® SWN.
  • Preferred brighteners are: sodium 2 (4-styryl-3-sulfophenyl)-2H-napthol[1,2-d]triazole, disodium 4,4'-bis ⁇ [(4-anilino-6-(N methyl-N-2 hydroxyethyl)amino 1 ,3,5- triazin-2-yl)]amino ⁇ stilbene-2-2' disulfonate, disodium 4,4'-bis ⁇ [(4-anilino-6-morpholino-1,3,5-triazin-2-yl)]amino ⁇ stilbene-2-2' disulfonate, and disodium 4,4'- bis(2-sulfostyryl)biphenyl.
  • a suitable fluorescent brightener is C.I. Fluorescent Brightener 260, which may be used in its beta or alpha crystalline forms, or a mixture of these forms.
  • Hueing agent Suitable hueing agents include small molecule dyes, typically falling into the Colour Index (C.I.) classifications of Acid, Direct, Basic, Reactive (including hydrolysed forms thereof) or Solvent or Disperse dyes, for example classified as Blue, Violet, Red, Green or Black, and provide the desired shade either alone or in combination.
  • C.I. Colour Index
  • Solvent or Disperse dyes for example classified as Blue, Violet, Red, Green or Black, and provide the desired shade either alone or in combination.
  • Preferred such hueing agents include Acid Violet 50, Direct Violet 9, 66 and 99, Solvent Violet 13 and any combination thereof.
  • hueing agents are known and described in the art which may be suitable for the present invention, such as hueing agents described in WO2014/089386 .
  • Suitable hueing agents include phthalocyanine and azo dye conjugates, such as described in WO2009/069077 .
  • Suitable hueing agents may be alkoxylated. Such alkoxylated compounds may be produced by organic synthesis that may produce a mixture of molecules having different degrees of alkoxylation. Such mixtures may be used directly to provide the hueing agent, or may undergo a purification step to increase the proportion of the target molecule.
  • Suitable hueing agents include alkoxylated bis-azo dyes, such as described in WO2012/054835 , and/or alkoxylated thiophene azo dyes, such as described in WO2008/087497 and WO2012/166768 .
  • the hueing agent may be incorporated into the detergent composition as part of a reaction mixture which is the result of the organic synthesis for a dye molecule, with optional purification step(s).
  • reaction mixtures generally comprise the dye molecule itself and in addition may comprise un-reacted starting materials and/or by-products of the organic synthesis route.
  • Suitable hueing agents can be incorporated into hueing dye particles, such as described in WO 2009/069077 .
  • the composition at 1wt% dilution in deionized water at 20°C has a reserve alkalinity to pH 7.5 of less than 3.0gNaOH/100g, preferably less than 2.5gNaOH/100g, or even less than 2.0gNaOH/100g.
  • FlodexTM Finite Elements Analysis simulations of the particle flow in a testing device FlodexTM (Hanson research, Chatsworth, CA, USA) have been perfomed in LS-DYNA commercial software (version R8.0, Livermore Software Technology Corp.).
  • FlodexTM is a flat-bottom cylindrical silo with changeable orifice openings. All bodies in these simulations are assumed to be rigid solids, and the shape of each body is defined via a surface mesh. Simulation results are post-processed to assess discharge rates out of the defined orifice.
  • Procedure to conduct the simulations is as follows: (1) Exporting geometry definition files. Create geometry files for the cylindrical hopper, a hopper bottom with specified orifice size, and a stopper in Solid Edge or similar CAD program and save to IGS or STP format. For each geometry file, import the file into LS-PrePost (Livermore Software Technology Corp.) and use the automeshing capability to apply a surface mesh to the part. Renumber the parts in order 1-3, avoiding repetition. Renumber the elements and nodes in each part to order them and avoid repetition. Save each part file to a .k keyword file.
  • LS-PrePost Livermore Software Technology Corp.
  • FlodexTM geometry file is imported from CAD files generated using Solid Edge ST9.
  • the geometry element parameters used for these simulations are summarized in Table 2.
  • Table 2 FlodexTM Geometry simulation parameters. Values Unit s Diameter 5.7 cm Height 10 cm Orifice diameter 4.0 cm
  • LS-PrePost outputs the positions of all nodes within the simulation. Position of the particles can be inferred at any time from the position of the corresponding nodes. Discharge rate can be calculated by plotting the number of particles bellow the orifice position at any time. Average discharge rate has been estimated from the slope of the graph between number of particles discharged vs time ( Figure 2 ).
  • a characteristic discharge rate for the system can be estimated by calculating the slope of the points when between 1000-3000 particles so onset and final discharge effects are removed.
  • Discharge rate values for these conditions are included in Table 6: Table 6. Characteristic discharge rates of particles. Simulation ID O_50_AI_05 Comparative DO_32_AI_05 Invention DO_14_AI_05 Invention Discharge rate [particles/s] 6550 3963 3725 Discharge rate [g/s] 95 57 54
  • Differences in the the discharge rate between the comparative and the invention examples are significant to enable a higher level dosing control, especially when pouring the particles from a bottle container.

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EP17172999.9A EP3339413A1 (fr) 2016-12-22 2017-05-26 Composition de détergent pour lessive
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