EP3277784A1 - Zusammensetzung - Google Patents

Zusammensetzung

Info

Publication number
EP3277784A1
EP3277784A1 EP16708427.6A EP16708427A EP3277784A1 EP 3277784 A1 EP3277784 A1 EP 3277784A1 EP 16708427 A EP16708427 A EP 16708427A EP 3277784 A1 EP3277784 A1 EP 3277784A1
Authority
EP
European Patent Office
Prior art keywords
composition
soil release
preferred
composition according
acid
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.)
Withdrawn
Application number
EP16708427.6A
Other languages
English (en)
French (fr)
Inventor
Nicolas Raymond Jacques FABRE
Stephen John Singleton
Robert Iain Whitlow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unilever PLC
Unilever NV
Original Assignee
Unilever PLC
Unilever NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Unilever PLC, Unilever NV filed Critical Unilever PLC
Publication of EP3277784A1 publication Critical patent/EP3277784A1/de
Withdrawn legal-status Critical Current

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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/38—Products with no well-defined composition, e.g. natural products
    • C11D3/386—Preparations containing enzymes, e.g. protease or amylase
    • 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
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0036—Soil deposition preventing compositions; Antiredeposition agents
    • 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
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3715—Polyesters or polycarbonates
    • 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
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3723—Polyamines or polyalkyleneimines
    • 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
    • C11D3/38—Products with no well-defined composition, e.g. natural products
    • C11D3/386—Preparations containing enzymes, e.g. protease or amylase
    • C11D3/38618—Protease or amylase in liquid compositions only

Definitions

  • the present invention relates to a laundry liquid formulation with an improved safety profile.
  • WO2013/074589 A proposes concentrated liquid laundry detergent compositions which may be packaged in a unit dose capsule and which contain 21 % to 74% alkyl ether sulfate amine salt(s) with 2% to 50% nonionic surfactants and less than 50% water.
  • US 5723425 A shows concentrated aqueous liquid detergent compositions containing polyvinylpyrrolidone for superior colour maintenance, in which the anionic surfactant mainly consists of alkyl ethoxy sulfate.
  • EP 0576777 A concerns liquid compositions which contain, based on the total weight of the composition, 2% to 35% by weight of water, 0.05% to 2% by weight of
  • polyvinylpyrrolidone and 0.05 to 2% of a terephthalate-based soil release polymer.
  • the combination of polyvinylpyrrolidone and terephthalate-based soil release polymer is proposed to have improved stability in the concentrated aqueous liquid detergent matrix as compared to the individual components alone.
  • the two example formulations contain 19 and 23wt% water, respectively.
  • W094/1 1480 A discloses concentrated liquid detergent compositions containing 0.01 % to 1 % cotton-substantive brighteners and 0.01 % to 5% polyvinylpyrrolidone to inhibit dye transfer.
  • Example formulations also contain 0.5% terephthalate-based polymer.
  • WO2013/160025 A relates to less concentrated aqueous detergent liquids which contain about 30wt% water and an external structurant derived from pulped apple fibre.
  • Example formulations contain a soil release polymer.
  • a first aspect of the present invention relates to:
  • the improved technical effect in terms of reduced irritancy, observed when soil release polymer is present in the composition permits more polyethylene imine (or derivative thereof) and / or more enzyme to be incorporated in the composition. This further enables less water to be used and so permits smaller effective doses.
  • composition according to any of (1 ) to (6) which contains a polyester-based soil release polymer and preferably wherein the soil release polymer contains terephthalate- based units.
  • composition according to any of (1 ) to (7) which comprises enzyme selected from lipase, phospholipase, protease, cutinase, amylase, cellulose, (per)oxidase, pectate lyase, mannanase and mixtures thereof.
  • composition according to (8) comprising at least two selected from lipase,
  • phospholipase phospholipase, protease, cutinase, amylase, cellulose, (per)oxidase, pectate lyase and mannanase.
  • composition according to any of (1 ) to (9) comprising from 0.5 to 20% wt.
  • composition according to any one of (2) to (10) which is disposed in a water-soluble film in an amount of from 15 to 30 ml.
  • a second aspect of the invention concerns the use of soil release polymer to reduce the irritancy in a composition which contains cleaning surfactant, 5 to 20% wt. water and at least one of (i) polyethylene imine or derivative thereof and / or (ii) enzyme.
  • Preferred embodiments may involve one or more of the following combinations of features.
  • the composition is disposed within a compartment defined by a water-soluble film.
  • Suitable water-soluble films include polyvinyl alcohol.
  • the film thickness of the first compartment is preferably 90 microns or less. More preferably, in the capsule of the present invention the film thickness of the first compartment is in the range 70 to 88 microns. Even more preferably in the capsule of the present invention the film thickness of the first compartment is in the range 72 to 85 microns. A film thickness of 75 to 82 microns is most preferred.
  • the composition preferably comprises at least 0.5 wt% of a soil release polymer for oily soil removal, especially from polyester.
  • Soil release polymers improve the main wash performance of the compositions when used in the low in wash surfactant process of the present invention. We have also now found that soil release polymers reduce the eye and / or skin irritancy of detergent compositions which contain relatively low levels of water.
  • One preferred class of polymer is the fabric-substantive polymers comprising at least one of (i) saccharide or (ii) dicarboxylic acid and polyol monomer units. Typically these have soil release properties and while they can have a primary detergency effect they generally assist in subsequent cleaning. Preferably these should be present at a level of at least 2% wt preferably at least 3 wt% of the composition.
  • the soil release polymer may generally comprise up to 10.0 wt%, of the detergent composition, preferably up to 9 wt%, more preferably up to 8 wt% in the composition and most preferably up to 6 wt%.
  • the compositions contain at least 0.5 wt% or more, more preferably 1.0 wt% or more and especially 1 .5 wt% or more soil release polymer.
  • the soil release polymers for polyester will comprise polymers of aromatic dicarboxylic acids and alkylene glycols (including polymers containing polyalkylene glycols).
  • the polymeric soil release agents useful herein especially include those soil release agents having: one or more nonionic hydrophilic components consisting essentially of: polyoxyethylene segments with a degree of polymerization of at least 2, or oxypropylene or polyoxypropylene segments with a degree of polymerization of from 2 to 10, wherein said hydrophilic segment does not encompass any oxypropylene unit unless it is bonded to adjacent moieties at each end by ether linkages, or a mixture of oxyalkylene units comprising oxyethylene and from 1 to about 30 oxypropylene units wherein said mixture contains a sufficient amount of oxyethylene units such that the hydrophilic component has hydrophilicity great enough to increase the hydrophilicity of conventional polyester synthetic fibre surfaces upon deposit of the soil release agent on such surface, said hydrophilic segments preferably comprising at least about 25% oxyethylene units and more preferably, especially for such components having about 20 to 30 oxypropylene units, at least about 50% oxyethylene units; or
  • poly (vinyl ester) segments preferably polyvinyl acetate), having a degree of polymerization of at least 2, or
  • Ci -C 4 alkyl ether or C 4 hydroxyalkyl ether substituents, or mixtures therein wherein said substituents are present in the form of Ci -C 4 alkyl ether or C 4 hydroxyalkyl ether cellulose derivatives, or mixtures therein, and such cellulose derivatives are amphiphilic, whereby they have a sufficient level of Ci -C 4 alkyl ether and/or C 4 hydroxyalkyl ether units to deposit upon conventional polyester synthetic fibre surfaces and retain a sufficient level of hydroxyls, once adhered to such conventional synthetic fibre surface, to increase fibre surface hydrophilicity, or a combination of (a) and (b).
  • the polyoxyethylene segments of (a)(i) will have a degree of polymerization of from about 200, although higher levels can be used, preferably from 3 to about 150, more preferably from 6 to about 100.
  • Suitable oxy C 4 -C6 alkylene hydrophobic segments include, but are not limited to, end-caps of polymeric soil release agents such as MO3 S(CH 2 ) n OCH2 CH2 0-, where M is sodium and n is an integer from 4-6, as disclosed in U.S. Pat. No. 4,721 ,580, issued Jan. 26, 1988 to Gosselink.
  • Soil release agents characterized by polyvinyl ester) hydrophobic segments include graft copolymers of polyvinyl ester), e.g., Ci -C6 vinyl esters, preferably polyvinyl acetate) grafted onto polyalkylene oxide backbones, such as polyethylene oxide backbones.
  • polyvinyl ester e.g., Ci -C6 vinyl esters, preferably polyvinyl acetate
  • soil release agents of this kind include the SOKALAN type of material, e.g., SOKALAN HP-22, available from BASF (West Germany).
  • SOKALAN HP-22 e.g., SOKALAN HP-22
  • One type of preferred soil release agent is a copolymer having random blocks of ethylene terephthalate and polyethylene oxide (PEO) terephthalate.
  • the molecular weight of this polymeric soil release agent is in the range of from about 25,000 to about 55,000. See U.S. Pat. No. 3,959,230 to Hays, issued May 25, 1976 and U.S. Pat. No. 3,893,929 to Basadur issued Jul. 8, 1975.
  • Another preferred polymeric soil release agent is a polyester with repeat units of ethylene terephthalate units contains 10 to 15 wt% of ethylene terephthalate units together with 90 to 80 wt% weight of polyoxyethylene terephthalate units, derived from a polyoxyethylene glycol of average molecular weight 300-5,000.
  • this polymer include the commercially available material ZELCON 5126 (from DuPont) and MILEASE T (from ICI). See also U.S. Pat. No. 4,702,857, issued Oct. 27, 1987 to Gosselink.
  • Another preferred polymeric soil release agent is a sulphonated product of a substantially linear ester oligomer comprised of an oligomeric ester backbone of terephthaloyl and oxyalkyleneoxy repeat units and terminal moieties covalently attached to the backbone.
  • These soil release agents are described fully in U.S. Pat. No. 4,968,451 , issued Nov. 6, 1990 to J.J. Scheibel and E. P. Gosselink.
  • Other suitable polymeric soil release agents include the terephthalate polyesters of U.S. Pat. No. 4,71 1 ,730, issued Dec. 8, 1987 to Gosselink et al, the anionic end-capped oligomeric esters of U.S. Pat. No. 4,721 ,580, issued Jan. 26, 1988 to Gosselink, and the block polyester oligomeric compounds of U.S. Pat. No. 4,702,857, issued Oct. 27, 1987 to Gosselink.
  • Preferred polymeric soil release agents also include the soil release agents of U.S. Pat. No. 4,877,896, issued Oct. 31 , 1989 to Maldonado et al, which discloses anionic, especially sulfoarolyl, end-capped terephthalate esters.
  • Still another preferred soil release agent is an oligomer with repeat units of terephthaloyl units, sulfoisoterephthaloyl units, oxyethyleneoxy and oxy-1 ,2-propylene units.
  • the repeat units form the backbone of the oligomer and are preferably terminated with modified isethionate end-caps.
  • a particularly preferred soil release agent of this type comprises about one sulfoisophthaloyl unit, 5 terephthaloyl units, oxyethyleneoxy and oxy-1 ,2-propyleneoxy units in a ratio of from about 1.7 to about 1.8, and two end-cap units of sodium 2-(2-hydroxyethoxy)-ethanesulphonate.
  • Said soil release agent also comprises from about 0.5% to about 20%, by weight of the oligomer, of a crystalline- reducing stabilizer, preferably selected from the group consisting of xylene sulfonate, cumene sulfonate, toluene sulfonate, and mixtures thereof.
  • a crystalline- reducing stabilizer preferably selected from the group consisting of xylene sulfonate, cumene sulfonate, toluene sulfonate, and mixtures thereof.
  • Suitable soil release polymers are described in WO 2008095626 (Clariant); WO
  • the most preferred soil release polymers are the water soluble/miscible or dispersible polyesters such as: linear polyesters sold under the Repel-O-Tex brand by Rhodia (Gerol), or the Texcare brand by Clariant, especially Texcare SRN170, and heavily branched polyesters such as those available from Sasol and described in US 71 19056.
  • These most preferred soil release polymers are polyesters which are preferably nonionic and comprise a mid block of spaced apart terephthalate repeat units and at least one end block based on polyethylene glycol with a lower alkyl or hydrogen termination.
  • a particularly preferred class of polymer for use in the composition is polyethylene imine, preferably modified polyethylene imine.
  • Polyethylene imines are materials composed of ethylene imine units -CH2CH2NH- and, where branched, the hydrogen on the nitrogen is replaced by another chain of ethylene imine units.
  • These polyethyleneimines can be prepared, for example, by polymerizing ethyleneimine in the presence of a catalyst for example carbon dioxide, sodium bisulphite, sulphuric acid, hydrogen peroxide, hydrochloric acid, acetic acid, and the like. Specific methods for preparing these polyamine backbones are disclosed in U.S. Pat. No. 2,182,306, Ulrich et al., issued Dec. 5, 1939; U.S. Pat. No. 3,033,746, Mayle et al., issued May 8, 1962; U.S. Pat. No.
  • the EPEI comprises a polyethyleneimine backbone of about 300 to about 10000 weight average molecular weight; wherein the modification of the
  • polyethyleneimine backbone is intended to leave the polymer without quaternisation.
  • Such nonionic EPEI may be represented as PEI(X)YEO where X represents the molecular weight of the unmodified PEI and Y represents the average moles of ethoxylation per nitrogen atom in the polyethyleneimine backbone.
  • the ethoxylation may range from 9 to 40 ethoxy moieties per modification, preferably it is in the range of 16 to 26, most preferably 18 to 22.
  • the polyethyleneimine polymer is present in the composition preferably at a level of between 0.01 and 25 wt%, but more preferably at a level of at least 2 wt% and/or less than 9.5 wt%, most preferably from 3 to 9 wt%.
  • a ratio of non-soap surfactant to EPEI could optionally be from 2:1 to 15:1 , conveniently from 2: 1 to 12: 1 or 7: 1 , preferably from 3: 1 to 6: 1 , or even to 5: 1 .
  • dye transfer inhibition polymers In addition to a soil release polymer there may be used dye transfer inhibition polymers, anti redeposition polymers and cotton soil release polymers, especially those based on modified cellulosic materials.
  • Enzymes It is preferable that at least one or more enzymes may be present in the compositions. Preferably at least two, more preferably at least three different classes of enzymes are used in combination.
  • Lipase is a particularly preferred enzyme.
  • the composition preferably contains from about 5 to about 20000 LU/g of a lipase.
  • Preferred lipase enzymes include those of bacterial or fungal origin. Chemically modified or protein engineered mutants are included.
  • useful lipases include lipases from Humicola, more preferably ones which comprise a polypeptide having an amino acid sequence which has at least 90% sequence identity with the wild-type lipase derived from Humicola lanuginose, most preferably strain DSM 4109.
  • the amount in the composition is higher than typically found in liquid detergents. This can be seen by the ratio of non-soap surfactant to lipase enzyme, in particular.
  • a particularly preferred lipase enzyme is available under the trademark LipocleanTM from Novozymes.
  • suitable lipases include those of bacterial or fungal origin. Chemically modified or protein engineered mutants are included. Examples of useful lipases include lipases from Humicola (synonym Thermomyces), e.g. from H. lanuginosa (T.
  • lanuginosus as described in EP 258 068 and EP 305 216 or from H. insolens as described in WO 96/13580, a Pseudomonas lipase, e.g. from P. alcaligenes or P.
  • pseudoalcaligenes EP 218 272
  • P. cepacia EP 331 376
  • P. stutzeri GB 1 ,372,034
  • P. fluorescens Pseudomonas sp. strain SD 705 (WO 95/06720 and WO 96/27002)
  • P. wisconsinensis WO 96/12012
  • Bacillus lipase e.g. from B. subtilis (Dartois et al.
  • lipase variants for example those described in WO 92/05249, WO 94/01541 , EP 407 225, EP 260 105, WO 95/35381 , WO 96/00292, WO 95/30744, WO 94/25578, WO 95/14783, WO 95/22615, WO 97/04079 and WO 97/07202.
  • Preferred commercially available lipase enzymes include LipolaseTM and Lipolase UltraTM, LipexTM and LipocleanTM (Novozymes A S).
  • lipase In addition to or as an alternative to lipase one or more other enzymes may be present. However lipase is particularly preferred.
  • the presence of relatively high levels of calcium in the poorly built or unbuilt compositions has a beneficial effect on the turnover of certain enzymes, particularly lipase enzymes and preferably lipases from Humicola.
  • the preferred lipases include first wash lipases derived from Humicola lanuginosa strain DSM 4109 available under the LipexTM brand from Novozymes. A similar enzyme from Novozymes but believed to fall outside of the above definition is sold by Novozymes under the name LipocleanTM and this is also preferred.
  • Phospholipase Phospholipase:
  • Phospholipase classified as EC 3.1.1.4 and/or EC 3.1.1.32 is an enzyme which has activity towards phospholipids.
  • Phospholipids for example lecithin or phosphatidylcholine, consist of glycerol esterified with two fatty acids in an outer (sn-1 ) and the middle (sn-2) positions and esterified with phosphoric acid in the third position; the phosphoric acid, in turn, may be esterified to an amino-alcohol.
  • Phospholipases are enzymes which participate in the hydrolysis of phospholipids.
  • phospholipases Ai and A2 which hydrolyze one fatty acyl group (in the sn-1 and sn-2 position, respectively) to form lysophospholipid
  • lysophospholipase or phospholipase B
  • Phospholipase C and phospholipase D release diacyl glycerol or phosphatidic acid respectively.
  • proteases include those of animal, vegetable or microbial origin. Microbial origin is preferred. Chemically modified or protein engineered mutants are included.
  • the protease may be a serine protease or a metallo protease, preferably an alkaline microbial protease or a trypsin-like protease.
  • Preferred commercially available protease enzymes include AlcalaseTM, SavinaseTM, PrimaseTM, RelaseTM, CoronaseTM, DuralaseTM,
  • compositions may comprise cutinase. classified in EC 3.1.1.74.
  • the cutinase may be of any origin.
  • Preferably cutinases are of microbial origin, in particular of bacterial, of fungal or of yeast origin.
  • Suitable amylases include those of bacterial or fungal origin.
  • Amylases include, for example, alpha-amylases obtained from Bacillus, e.g. a special strain of B. Iicheniformis, described in more detail in GB 1 ,296,839, or the Bacillus sp. strains disclosed in WO 95/026397 or WO 00/060060.
  • Commercially available amylases are DuramylTM,
  • TermamylTM Termamyl UltraTM, NatalaseTM, StainzymeTM, FungamylTM and BANTM (Novozymes A/S), RapidaseTM and PurastarTM (from Genencor International Inc.).
  • Suitable cellulases include those of bacterial or fungal origin. Chemically modified or protein engineered mutants are included. Suitable cellulases include cellulases from the genera Bacillus, Pseudomonas, Humicola, Fusarium, Thielavia, Acremonium, e.g. the fungal cellulases produced from Humicola insolens, Thielavia terrestris, Myceliophthora thermophila, and Fusarium oxysporum disclosed in US 4,435,307, US 5,648,263, US 5,691 ,178, US 5,776,757, WO 89/09259, WO 96/029397, and WO 98/012307.
  • cellulases include CelluzymeTM, CarezymeTM, EndolaseTM,
  • RenozymeTM Novozymes A/S
  • ClazinaseTM and Puradax HATM
  • KAC-500(B)TM Kao Corporation
  • Suitable peroxidases/oxidases include those of plant, bacterial or fungal origin.
  • peroxidases Chemically modified or protein engineered mutants are included.
  • useful peroxidases include peroxidases from Coprinus, e.g. from C. cinereus, and variants thereof as those described in WO 93/24618, WO 95/10602, and WO 98/15257.
  • Commercially available peroxidases include GuardzymeTM and NovozymTM 51004 (Novozymes A/S).
  • Pectate lyases also called polygalacturonate lyases
  • pectate lyases include pectate lyases that have been cloned from different bacterial genera for example Erwinia, Pseudomonas, Klebsiella and Xanthomonas, as well as from Bacillus subtilis (Nasser et al. (1993) FEBS Letts. 335:319-326) and Bacillus sp. YA-14 (Kim et al. (1994) Biosci. Biotech. Biochem. 58:947-949).
  • the pectate lyase comprises the pectate lyase disclosed in Heffron et al., (1995) Mol. Plant-Microbe
  • pectate lyases are disclosed in WO 99/27083 and WO 99/27084.
  • Other specifically contemplated pectate lyases (derived from Bacillus licheniformis) are disclosed in US patent no. 6,284,524 (which document is hereby incorporated by reference).
  • pectate lyase variants are disclosed in WO
  • alkaline pectate lyases examples include BIOPREPTM,
  • Mannanase examples include mannanases of bacterial and fungal origin.
  • the mannanase is derived from a strain of the filamentous fungus genus Aspergillus, preferably Aspergillus niger or Aspergillus aculeatus (WO 94/25576).
  • WO 93/24622 discloses a mannanase isolated from Trichoderma reseei. Mannanases have also been isolated from several bacteria, including Bacillus organisms. For example, Talbot et al., Appl. Environ. Microbiol., Vol.56, No. 1 1 , pp.
  • beta-mannanase derived from Bacillus stearot ermop ilus. Mendoza et al., World J. Microbiol. Biotech., Vol. 10, No. 5, pp. 551 - 555 (1994) describes a beta-mannanase derived from Bacillus subtilis.
  • JP-A-03047076 discloses a beta-mannanase derived from Bacillus sp.
  • JP-A-63056289 describes the production of an alkaline, thermostable beta-mannanase.
  • JP-A-63036775 relates to the Bacillus microorganism FERM P-8856 which produces beta-mannanase and beta- mannosidase.
  • JP-A-08051975 discloses alkaline beta-mannanases from alkalophilic Bacillus sp.
  • a purified mannanase from Bacillus amyloliquefaciens is disclosed in WO 97/1 1 164.
  • WO 91/18974 describes a hemicellulase for example a glucanase, xylanase or mannanase active.
  • Contemplated are the alkaline family 5 and 26 mannanases derived from Bacillus agaradhaerens, Bacillus licheniformis, Bacillus halodurans, Bacillus clausii, Bacillus sp., and Humicola insolens disclosed in WO 99/64619.
  • Especially contemplated are the Bacillus sp. mannanases concerned in the Examples in WO 99/64619.
  • mannanases examples include MannawayTM available from Novozymes A/S Denmark.
  • the enzyme and any perfume/fragrance or pro-fragrance present may show some interaction and should be chosen such that this interaction is not negative. Some negative interactions may be avoided by encapsulation of one or other of enzyme and pro- fragrance and/or other segregation within the product.
  • the detergent compositions may also optionally contain relatively low levels of organic detergent builder or sequestrant material.
  • organic detergent builder or sequestrant material examples include the alkali metal, citrates, succinates, malonates, carboxymethyl succinates, carboxylates, polycarboxylates and polyacetyl carboxylates.
  • Specific examples include sodium, potassium and lithium salts of oxydisuccinic acid, mellitic acid, benzene polycarboxylic acids, ethylene diamine tetra- acetic acid, diethylenetriamine- pentaacetic acid, alkyl- or alkenylsuccinic acid, nitrilotriacetic acid, and citric acid.
  • DEQUESTTM organic detergent builder or sequestrant material
  • Suitable organic builders include the higher molecular weight polymers and copolymers known to have builder properties.
  • such materials include appropriate polyacrylic acid, polymaleic acid, and polyacrylic/polymaleic acid copolymers and their salts, such as those sold by BASF under the name SOKALANTM.
  • Another suitable builder is sodium carbonate.
  • the builder or sequestrant materials may comprise from about 0.5 percent to 20 wt percent, preferably from 1 wt percent to 10 wt percent, of the composition.
  • the preferred builder level is less than 10 wt percent and preferably less than 5 wt percent of the composition.
  • a preferred sequestrant is HEDP (1 -Hydroxyethylidene -1 ,1 ,-diphosphonic acid), for example sold as Dequest 2010. Also suitable but less preferred as it gives inferior cleaning results is Dequest® 2066 (Diethylenetriamine penta(methylene phosphonic acid or Heptasodium DTPMP).
  • the laundry detergent formulation is a non-phosphate built laundry detergent formulation, i.e., contains less than 1 weight percent of phosphate.
  • the amount of detersive surfactant makes up at least 10 wt% of the total liquid composition, preferably it makes up from 12 to 60 wt%.
  • the compositions most preferably have total active detersive surfactant levels of at least 15 wt% and more preferably at least 20 wt%.
  • compositions may be concentrated compositions designed to be added to a 10 litre wash in small doses that require them to be diluted in at least 500 times their own volume of water to form a main wash liquor comprising at most 0.5 g/l surfactant. They may also be concentrated compositions designed for hand wash or top loading automatic washing machines. In hand wash less water may be used and in top loading automatic washing machines a higher amount of water would normally be used. The dose of detergent liquid is adjusted accordingly to give similar wash liquor concentrations.
  • surfactants are also be concentrated compositions designed for hand wash or top loading automatic washing machines. In hand wash less water may be used and in top loading automatic washing machines a higher amount of water would normally be used. The dose of detergent liquid is adjusted accordingly to give similar wash liquor concentrations.
  • Surfactants assist in removing soil from the textile materials and also assist in maintaining removed soil in solution or suspension in the wash liquor.
  • Anionic or blends of anionic and nonionic surfactants are a preferred feature of the compositions.
  • the amount of anionic surfactant is preferably at least 5 wt%.
  • the anionic surfactant may form the majority or the minority of the non soap surfactant (a).
  • alkyl sulphonates are alkylbenzene sulphonates, particularly linear
  • alkylbenzene sulphonates having an alkyl chain length of Cs-C-is.
  • the counter ion for anionic surfactants is generally an alkali metal, typically sodium, although other counter- ions for example MEA, TEA or ammonium can be used.
  • Suitable linear alkyl benzene sulphonate surfactants include Detal LAS with an alkyl chain length of from 8 to 15, more preferably 12 to 14.
  • composition comprises an alkyl polyethoxylate sulphate anionic surfactant of the formula (I): where R is an alkyl chain having from 10 to 22 carbon atoms, saturated or unsaturated, M is a cation which makes the compound water-soluble, especially an alkali metal, ammonium or substituted ammonium cation, and x averages from 1 to 15.
  • R is an alkyl chain having from 10 to 22 carbon atoms, saturated or unsaturated
  • M is a cation which makes the compound water-soluble, especially an alkali metal, ammonium or substituted ammonium cation, and x averages from 1 to 15.
  • R is an alkyl chain having from 12 to 16 carbon atoms
  • M is Sodium and x averages from 1 to 3, preferably x is 3;
  • SLES sodium lauryl ether sulphate
  • It is the sodium salt of lauryl ether sulphonic acid in which the predominantly C12 lauryl alkyl group has been ethoxylated with an average of 3 moles of ethylene oxide per mole.
  • Nonionic surfactants include primary and secondary alcohol ethoxylates, especially Cs- C20 aliphatic alcohol ethoxylated with an average of from 1 to 20 moles of ethylene oxide per mole of alcohol, and more especially the C10-C15 primary and secondary aliphatic alcohols ethoxylated with an average of from 1 to 10 moles of ethylene oxide per mole of alcohol.
  • Non-ethoxylated nonionic surfactants include alkyl polyglycosides, glycerol monoethers and polyhydroxy amides (glucamide). Mixtures of nonionic surfactant may be used.
  • the composition suitably contains from 0.2 wt% to 40 wt%, preferably 1 wt% to 25 wt%, more preferably 5 to 20 wt% or 15 wt% of a non-ionic surfactant, for example alcohol ethoxylate, nonylphenol ethoxylate, alkylpolyglycoside, alkyldimethylamineoxide, ethoxylated fatty acid monoethanolamide, fatty acid
  • a non-ionic surfactant for example alcohol ethoxylate, nonylphenol ethoxylate, alkylpolyglycoside, alkyldimethylamineoxide, ethoxylated fatty acid monoethanolamide, fatty acid
  • glucamides monoethanolamide, polyhydroxy alkyl fatty acid amide, or N-acyl N-alkyl derivatives of glucosamine ("glucamides").
  • Nonionic surfactants that may preferably be used include the primary and secondary alcohol ethoxylates, especially the C8-C20 aliphatic alcohols ethoxylated with an average of from 1 to 35 moles of ethylene oxide per mole of alcohol, and more especially the C10- Ci5 primary and secondary aliphatic alcohols ethoxylated with an average of from 1 to 10 moles of ethylene oxide per mole of alcohol.
  • composition may comprise up to 10 wt% of an amine oxide of the formula:
  • R 1 is a long chain moiety
  • R 2 is preferably selected from hydrogen, methyl and -CH2OH.
  • R 1 is a primary or branched hydrocarbyl moiety which can be saturated or unsaturated, preferably, R 1 is a primary alkyl moiety.
  • R 1 is a hydrocarbyl moiety having chain length of from about 8 to about 18.
  • Preferred amine oxides have R 1 is Cs-C-is alkyl, and R 2 is H. These amine oxides are illustrated by Ci2-i4 alkyldimethyl amine oxide, hexadecyl dimethylamine oxide, octadecylamine oxide.
  • a preferred amine oxide material is Lauryl dimethylamine oxide, also known as dodecyldimethylamine oxide or DDAO. Such an amine oxide material is commercially available from Huntsman under the trade name Empigen® OB.
  • Amine oxides suitable for use herein are also available from Akzo Chemie and Ethyl Corp. See McCutcheon's compilation and Kirk-Othmer review article for alternate amine oxide manufacturers.
  • R 2 is H
  • R 2 may be CH2OH , for example: hexadecylbis(2- hydroxyethyl)amine oxide, tallowbis(2-hydroxyethyl)amine oxide, stearylbis(2- hydroxyethyl)amine oxide and oleylbis(2- hydroxyethyl)amine oxide.
  • Preferred amine oxides have the formula: O- - N + (Me) 2 R 1 (3) where R 1 is C12-16 alkyl, preferably C12-14 alkyl; Me is a methyl group.
  • Nonionic-free systems with up to 95 %wt LAS can be made provided that some zwitterionic surfactant, for example carbobetaine, is present.
  • a preferred zwitterionic material is a carbobetaine available from Huntsman under the name Empigen® BB. Betaines and / or amine oxides, improve particulate soil detergency in the compositions.
  • carbobetaine may be added to the mixture of detersive surfactants.
  • cationic surfactants are preferably substantially absent.
  • alkyl sulphate surfactant may be used, especially the non-ethoxylated C12-15 primary and secondary alkyl sulphates.
  • Hydrotrope is a solvent that is neither water nor conventional surfactant that aids the solubilisation of the surfactants and other components in the aqueous liquid to render it isotropic.
  • suitable hydrotropes there may be mentioned as preferred: MPG (monopropylene glycol), glycerol, sodium cumene sulphonate, ethanol, other glycols, e.g. di propylene glycol, diethers and urea.
  • Any enzyme present in the composition may be stabilized using conventional stabilizing agents, e.g., a polyol for example propylene glycol or glycerol, a sugar or sugar alcohol, lactic acid, boric acid, or a boric acid derivative, e.g., an aromatic borate ester, or a phenyl boronic acid derivative for example 4-formylphenyl boronic acid, and the composition may be formulated as described in e.g. WO 92/19709 and WO 92/19708.
  • stabilizing agents e.g., a polyol for example propylene glycol or glycerol, a sugar or sugar alcohol, lactic acid, boric acid, or a boric acid derivative, e.g., an aromatic borate ester, or a phenyl boronic acid derivative for example 4-formylphenyl boronic acid
  • a lignin compound may be used in the composition in an amount that can be optimised by trial and error.
  • Lignin is a component of all vascular plants, found mostly between cellular structures but also within the cells and in the cell walls.
  • the lignin compound comprises a lignin polymer and more preferably it is a modified lignin polymer.
  • a modified lignin polymer as used herein is lignin that has been subjected to a chemical reaction to attach chemical moieties to the lignin covalently. The attached chemical moieties are preferably randomly substituted.
  • Preferred modified lignin polymers are lignins that have been substituted with anionic, cationic or alkoxy groups, or mixtures thereof. Preferably the substitution occurs on the aliphatic portion of the lignin and is random.
  • the modified lignin polymer is substituted with an anionic group, and preferably it is a sulfonate.
  • a preferred cationic group is a quaternary amine.
  • Preferred alkoxy groups are polyalkylene oxide chains having repeat units of alkoxy moieties in the range from 5 to 30, most preferably ethoxy.
  • the modified lignin sulfonate is substituted with anionic or alkoxy groups.
  • Modified lignin polymers are discussed in WO/2010/033743. Most preferably the modified lignin polymer is lignin sulfonate (lignosulfonate). Lignin sulfonate may be obtained by the Howard process.
  • Exemplary lignin sulfonate may be obtained from a variety of sources including hardwoods, softwoods and recycling or effluent streams.
  • the lignin sulfonate may be utilized in crude or pure forms, e.g., in an "as is” or whole liquor condition, or in a purified lignin sulfonate form from which or in which sugars and other saccharide constituents have been removed or destroyed, or from which or in which inorganic constituents have been partially or fully eliminated.
  • the lignin sulfonate may be utilized in salt forms including calcium lignin sulfonate, sodium lignin sulfonate, ammonium lignin sulfonate, potassium lignin sulfonate, magnesium lignin sulfonate and mixtures or blends thereof.
  • the lignin sulfonate preferably has a weight average molecular weight of from 2000 to 100000.
  • Their basic structural unit is phenylpropane.
  • the degree of sulphonation is preferably from 0.3 and 1 .0 sulfate groups per phenylpropane unit.
  • Lignin sulfonates are available from a number of suppliers including Borregaard
  • Fluorescent Agents It may be advantageous to include fluorescer in the compositions. Usually, these fluorescent agents are supplied and used in the form of their alkali metal salts, for example, the sodium salts.
  • the total amount of the fluorescent agent or agents used in the composition is generally from 0.005 to 2 wt %, more preferably 0.01 to 0.5 wt %.
  • Preferred classes of fluorescer are: Di-styryl biphenyl compounds, e.g. Tinopal (Trade Mark) CBS-X, Di-amine stilbene di-sulphonic acid compounds, e.g. Tinopal DMS pure Xtra, Tinopal 5BMGX, and Blankophor (Trade Mark) HRH, and Pyrazoline compounds, e.g.
  • Blankophor SN Preferred fluorescers 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-sulfoslyryl)biphenyl. Bleach Catalyst:
  • Compositions may comprise a weight efficient bleach system. Such systems typically do not utilise the conventional percarbonate and bleach activator approach. An air bleach catalyst system is preferred. Suitable complexes and organic molecule (ligand) precursors for forming complexes are available to the skilled worker, for example, from: WO 98/39098; WO 98/39406, WO 97/48787, WO 00/29537; WO 00/52124, and
  • WO00/60045 incorporated by reference.
  • An example of a preferred catalyst is a transition metal complex of MeN4Py ligand (N,N-bis(pyridin-2-yl-methyl)-1 -,1-bis(pyridin- 2-yl)-1-aminoethane).
  • MeN4Py ligand N,N-bis(pyridin-2-yl-methyl)-1 -,1-bis(pyridin- 2-yl)-1-aminoethane.
  • Suitable bispidon catalyst materials and their action are described in WO02/48301.
  • the bleach catalyst may be encapsulated to reduce interaction with other components of the liquid during storage.
  • Photobleaches may also be employed.
  • a "photobleach” is any chemical species that forms a reactive bleaching species on exposure to sunlight, and preferably is not permanently consumed in the reaction.
  • Preferred photo-bleaches include singlet oxygen photo-bleaches and radical photo-bleaches.
  • Suitable singlet oxygen photo-bleaches may be selected from, water soluble phthalocyanine compounds, particularly metallated phthalocyanine compounds where the metal is Zn or AI-Z1 where Z1 is a halide, sulphate, nitrate, carboxylate, alkanolate or hydroxyl ion.
  • the phthalocyanin has 1 -4 SO3X groups covalently bonded to it where X is an alkali metal or ammonium ion.
  • Such compounds are described in WO2005/014769 (Ciba).
  • the bleach catalyst is typically incorporated at a level of about 0.0001 to about 10wt%, preferably about 0.001 to about 5wt%.
  • composition When the composition is used at very low levels of product dosage, it is advantageous to ensure that perfume is employed efficiently.
  • a particularly preferred way of ensuring that perfume is employed efficiently is to use an encapsulated perfume.
  • Use of a perfume that is encapsulated reduces the amount of perfume vapour that is produced by the composition before it is diluted. This is important when the perfume concentration is increased to allow the amount of perfume per wash to be kept at a reasonably high level.
  • the perfume is not only encapsulated but also that the encapsulated perfume is provided with a deposition aid to increase the efficiency of perfume deposition and retention on fabrics.
  • the deposition aid is preferably attached to the encapsulate by means of a covalent bond, entanglement or strong adsorption, preferably by a covalent bond or entanglement.
  • compositions may contain one or more other ingredients.
  • Such ingredients include viscosity modifiers, foam boosting agents, preservatives (e.g. bactericides), pH buffering agents, polyelectrolytes, anti-shrinking agents, anti-wrinkle agents, anti-oxidants, sunscreens, anti-corrosion agents, drape imparting agents, anti-static agents and ironing aids.
  • the compositions may further comprise colorants, pearlisers and/or opacifiers, and shading dye.
  • Shading dye can be used to improve the performance of the compositions.
  • Preferred dyes are violet or blue. It is believed that the deposition on fabrics of a low level of a dye of these shades, masks yellowing of fabrics.
  • a further advantage of shading dyes is that they can be used to mask any yellow tint in the composition itself.
  • Direct dyes are the class of water soluble dyes which have an affinity for fibres and are taken up directly. Direct violet and direct blue dyes are preferred.
  • bis-azo or tris-azo dyes are used.
  • the direct dye is a direct violet of the following structures:
  • ring D and E may be independently naphthyl or phenyl as shown;
  • Ri is selected from: hydrogen and Ci-C4-alkyl, preferably hydrogen;
  • R2 is selected from: hydrogen, Ci-C4-alkyl, substituted or unsubstituted phenyl and substituted or unsubstituted naphthyl, preferably phenyl;
  • R5 and R 4 are independently selected from: hydrogen and Ci-C4-alkyl, preferably hydrogen or methyl;
  • X and Y are independently selected from: hydrogen, Ci-C4-alkyl and Ci-C4-alkoxy;
  • Preferred dyes are direct violet 7, direct violet 9, direct violet 1 1 , direct violet 26, direct violet 31 , direct violet 35, direct violet 40, direct violet 41 , direct violet 51 , and direct violet 99.
  • Bis-azo copper containing dyes for example direct violet 66 may be used.
  • the benzidene based dyes are less preferred.
  • the direct dye is present at 0.000001 to 1 wt% more preferably 0.00001 wt% to 0.0010 wt% of the composition.
  • the direct dye may be covalently linked to the photo-bleach, for example as described in WO2006/024612.
  • Acid dyes :
  • Cotton substantive acid dyes give benefits to cotton containing garments.
  • Preferred dyes and mixes of dyes are blue or violet.
  • Preferred acid dyes are:
  • azine dyes wherein the dye is of the following core structure: wherein R a , Rb, R c and Rd are selected from: H, a branched or linear C1 to C7-alkyl chain, benzyl a phenyl, and a naphthyl; the dye is substituted with at least one SO3 " or -COO " group;
  • the B ring does not carry a negatively charged group or salt thereof; and the A ring may further substituted to form a naphthyl; the dye is optionally substituted by groups selected from: amine, methyl, ethyl, hydroxyl, methoxy, ethoxy, phenoxy, CI, Br, I , F, and N0 2 .
  • Preferred azine dyes are: acid blue 98, acid violet 50, and acid blue 59, more preferably acid violet 50 and acid blue 98.
  • non-azine acid dyes are acid violet 17, acid black 1 and acid blue 29.
  • the acid dye is present at 0.0005 wt% to 0.01 wt% of the formulation.
  • composition may comprise one or more hydrophobic dyes selected from
  • Hydrophobic dyes are dyes which do not contain any charged water solubilising group. Hydrophobic dyes may be selected from the groups of disperse and solvent dyes. Blue and violet anthraquinone and mono-azo dye are preferred.
  • Preferred dyes include solvent violet 13, disperse violet 27 disperse violet 26, disperse violet 28, disperse violet 63 and disperse violet 77.
  • hydrophobic dye is present at 0.0001 wt% to 0.005 wt% of the formulation.
  • Basic dyes :
  • Basic dyes are organic dyes which carry a net positive charge. They deposit onto cotton. They are of particular utility for used in composition that contain predominantly cationic surfactants. Dyes may be selected from the basic violet and basic blue dyes listed in the Colour Index International.
  • Preferred examples include triarylmethane basic dyes, methane basic dye, anthraquinone basic dyes, basic blue 16, basic blue 65, basic blue 66, basic blue 67, basic blue 71 , basic blue 159, basic violet 19, basic violet 35, basic violet 38, basic violet 48; basic blue 3, basic blue 75, basic blue 95, basic blue 122, basic blue 124, basic blue 141 .
  • Reactive dyes are dyes which contain an organic group capable of reacting with cellulose and linking the dye to cellulose with a covalent bond. They deposit onto cotton.
  • the reactive group is hydrolysed or reactive group of the dyes has been reacted with an organic species for example a polymer, so as to the link the dye to this species.
  • Dyes may be selected from the reactive violet and reactive blue dyes listed in the Colour Index International.
  • Preferred examples include reactive blue 19, reactive blue 163, reactive blue 182 and reactive blue, reactive blue 96.
  • Dye conjugates are formed by binding direct, acid or basic dyes to polymers or particles via physical forces. Dependent on the choice of polymer or particle they deposit on cotton or synthetics. A description is given in WO2006/055787.
  • Particularly preferred dyes are: direct violet 7, direct violet 9, direct violet 1 1 , direct violet 26, direct violet 31 , direct violet 35, direct violet 40, direct violet 41 , direct violet 51 , direct violet 99, acid blue 98, acid violet 50, acid blue 59, acid violet 17, acid black 1 , acid blue 29, solvent violet 13, disperse violet 27 disperse violet 26, disperse violet 28, disperse violet 63, disperse violet 77 and mixtures thereof.
  • Shading dye can be used in the absence of fluorescer, but it is especially preferred to use a shading dye in combination with a fluorescer, for example in order to reduce yellowing due to chemical changes in adsorbed fluorescer.
  • Buffers The presence of some buffer is preferred for pH control; preferred buffers are MEA, and TEA. If present they are preferably used in the composition at levels of from 1 to 15 wt%.
  • compositions may have their rheology modified by use of a material or materials that form a structuring network within the composition.
  • Suitable structurants include hydrogenated castor oil, microfibrous cellulose and natural based structurants for example citrus pulp fibre. Citrus pulp fibre is particularly preferred especially if lipase enzyme is included in the composition.
  • compositions may, and preferably do, comprise visual cues of solid material that is not dissolved in the composition.
  • visual cues are lamellar cues formed from polymer film and possibly comprising functional ingredients that may not be as stable if exposed to the alkaline liquid. Enzymes and bleach catalysts are examples of such ingredients.
  • perfume particularly microencapsulated perfume.
  • the composition is dosed in individual units which contain from 15 to 30 ml of the composition.
  • a second aspect there is provided the use of soil release polymer to reduce the irritancy in a composition which contains cleaning surfactant component, from 5 to 20 %wt water and at least one of polyethylene imine (or a derivative thereof) and enzyme.
  • the second aspect may provide for the use of a soil release polymer as described herein for reducing eye and / or skin irritancy in a composition according to the first aspect.
  • Test formulations were made according to Table 1. The formulations are suitable for including in unit dose capsules.
  • composition 1 comprising soil release polymer as compared to comparable compositions A and B.

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EP3363884A1 (de) 2017-02-21 2018-08-22 The Procter & Gamble Company Verwendung einer flüssigen wäschewaschmittelzusammensetzung in wasserlöslichen einheitsdosisartikeln zur minimierung von nebenwirkungen bei versehentlicher exposition mit inhaltsstoffen
EP3363883A1 (de) 2017-02-21 2018-08-22 The Procter & Gamble Company Verwendung einer flüssigen wäschewaschmittelzusammensetzung zur minimierung von nebenwirkungen bei versehentlicher exposition mit inhaltsstoffen von wasserlöslichen einheitsdosisartikeln
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