EP2521765A1 - Natürliche tönungsmittel - Google Patents

Natürliche tönungsmittel

Info

Publication number
EP2521765A1
EP2521765A1 EP10784310A EP10784310A EP2521765A1 EP 2521765 A1 EP2521765 A1 EP 2521765A1 EP 10784310 A EP10784310 A EP 10784310A EP 10784310 A EP10784310 A EP 10784310A EP 2521765 A1 EP2521765 A1 EP 2521765A1
Authority
EP
European Patent Office
Prior art keywords
textile
treating
laundry detergent
azulene dye
azulene
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Withdrawn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
EP10784310A
Other languages
English (en)
French (fr)
Inventor
Stephen Norman Batchelor
Jayne Michelle Bird
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unilever PLC
Unilever NV
Original Assignee
Unilever PLC
Unilever NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Unilever PLC, Unilever NV filed Critical Unilever PLC
Priority to EP10784310A priority Critical patent/EP2521765A1/de
Publication of EP2521765A1 publication Critical patent/EP2521765A1/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Withdrawn legal-status Critical Current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
    • C11D3/40—Dyes ; Pigments

Definitions

  • the present invention concerns laundry shading dye
  • compositions are provided.
  • W02008 /090091 discloses a wide range of synthetic organic fluorescers and synthetic organic shading dyes for use in Laundry detergents.
  • WO2001/28973 discloses a specific azulene compounds covalently linked to a phenolic antioxidant for use in cleaning composition to scavenge radicals.
  • the blue color of the mushroom Lactarius indigo is due to the azulene derivative (7-isopropenyl-4-methylazulen-l- yl) methyl stearate.
  • Azulenes are the general names for the blue to violet aromatic hydrocarbons derived from
  • Azulenes occur in various liverworts, for example Calypogeia azurea contains 1,4- dimethylazulene and methyl-4-methylazulene-l-carboxylate . Azulenes are discussed in Rompp Encyclopedia of Natural Products (Georg Thieme Verlag 2000) .
  • the present invention provides a domestic method of treating a textile, the method comprising the steps of: (i) treating a textile with an aqueous solution of the naturally occurring blue or violet azulene dye, the aqueous solution comprising from 1 ppb to 1 ppm of the naturally occurring blue or violet azulene dye; and, from 0.2 g/L to 3 g/L of a surfactant; (ii) optionally rinsing the textile; and, (iii) drying the textile.
  • the present invention provides a laundry detergent formulation comprising:
  • Naturally occurring azulenes include 1 , 4-dimethylazulene, methyl-4-methylazulene-l-carboxylate, linderazulene, and ehuazulene, chamazulene and Guaiazulene.
  • Naturally occurring is meant that the azulenes are found naturally in naturally occurring life, for example plants, animals, fungi, mushrooms, and marine life.
  • Natural azulenes are secondary metabolites of living
  • the azulene is preferable Guaiazulene ( 1 , 4-dimethyl-7- isopropylazulene .
  • the composition comprises between 2 to 70 wt percent of a surfactant, most preferably 10 to 30 wt %.
  • a surfactant most preferably 10 to 30 wt %.
  • the nonionic and anionic surfactants of the surfactant system may be chosen from the surfactants described "Surface Active Agents" Vol. 1, by Schwartz & Perry, Interscience 1949, Vol. 2 by Schwartz, Perry & Berch, Interscience 1958, in the current edition of "McCutcheon ' s Emulsifiers and Detergents” published by Manufacturing Confectioners Company or in
  • Suitable nonionic detergent compounds which may be used include, in particular, the reaction products of compounds having a hydrophobic group and a reactive hydrogen atom, for example, aliphatic alcohols, acids, amides or alkyl phenols with alkylene oxides, especially ethylene oxide either alone or with propylene oxide.
  • Specific nonionic detergent compounds include, in particular, the reaction products of compounds having a hydrophobic group and a reactive hydrogen atom, for example, aliphatic alcohols, acids, amides or alkyl phenols with alkylene oxides, especially ethylene oxide either alone or with propylene oxide.
  • condensates generally 5 to 25 EO, i.e. 5 to 25 units of ethylene oxide per molecule, and the condensation products of aliphatic Cs to Ci s primary or secondary linear or
  • branched alcohols with ethylene oxide generally 5 to 40 EO.
  • Suitable anionic detergent compounds which may be used are usually water-soluble alkali metal salts of organic acids.
  • sulphates and sulphonates having alkyl radicals containing from about 8 to about 22 carbon atoms, the term alkyl being used to include the alkyl portion of higher acyl radicals.
  • suitable synthetic anionic detergent compounds are sodium and potassium alkyl sulphates, especially those obtained by sulphating higher Cs to Ci s alcohols, produced for example from tallow or coconut oil, sodium and potassium alkyl C9 to C20 benzene sulphonates, particularly sodium linear secondary alkyl C10 to C15 benzene sulphonates; and sodium alkyl glyceryl ether sulphates, especially those ethers of the higher alcohols derived from tallow or coconut oil and synthetic alcohols derived from petroleum.
  • the preferred anionic detergent compounds are sodium Cn to C15 alkyl benzene sulphonates and sodium C12 to Ci s alkyl
  • surfactants such as those described in EP-A-328 177 (Unilever) , which show resistance to salting-out, the alkyl polyglycoside surfactants
  • Preferred surfactant systems are mixtures of anionic with nonionic detergent active materials, in particular the groups and examples of anionic and nonionic surfactants pointed out in EP-A-346 995 (Unilever).
  • surfactant system that is a mixture of an alkali metal salt of a Ci 6 to Ci s primary alcohol sulphate together with a C12 to Cis primary alcohol 3 to 7 EO ethoxylate.
  • the nonionic detergent is preferably present in amounts greater than 10%, e.g. 25 to 90 wt % of the surfactant system.
  • Anionic surfactants can be present for example in amounts in the range from about 5% to about 40 wt % of the surfactant system.
  • the surfactant may be a cationic such that the formulation is a fabric
  • the present invention When the present invention is used as a fabric conditioner it needs to contain a cationic compound.
  • quaternary ammonium compounds Most preferred are quaternary ammonium compounds. It is advantageous if the quaternary ammonium compound is a quaternary ammonium compound having at least one C 12 to C 22 alkyl chain. It is preferred if the quaternary ammonium compound has the following formula:
  • a preferred compound of this type is the quaternary ammonium compound cetyl trimethyl
  • a second class of materials for use with the present invention are the quaternary ammonium of the above structure in which R 1 and R 2 are independently selected from C 12 to C 22 alkyl or alkenyl chain; R 3 and R 4 are independently selected from Ci to C4 alkyl chains and X ⁇ is a compatible anion.
  • the surfactant is from 1:100 to 50:50, more preferably 1:50 to 20:50.
  • the cationic compound may be present from 1.5 wt % to 50 wt % of the total weight of the composition.
  • Preferably the cationic compound may be present from 2 wt % to 25 wt %, a more preferred composition range is from 5 wt % to 20 wt %.
  • the softening material is preferably present in an amount of from 2 to 60% by weight of the total composition, more preferably from 2 to 40%, most preferably from 3 to 30% by weight .
  • the composition optionally comprises a silicone. Builders or Complexing agents:
  • Builder materials may be selected from 1) calcium
  • calcium sequestrant builder materials examples include alkali metal polyphosphates, such as sodium tripolyphosphate and organic sequestrants , such as ethylene diamine tetra- acetic acid.
  • precipitating builder materials include sodium orthophosphate and sodium carbonate.
  • calcium ion-exchange builder materials include the various types of water-insoluble crystalline or
  • zeolites are the best known representatives, e.g. zeolite A, zeolite B (also known as zeolite P) , zeolite C, zeolite X, zeolite Y and also the zeolite P-type as described in EP-A-0, 384, 070.
  • composition may also contain 0-65 % of a builder or complexing agent such as ethylenediaminetetraacetic acid, diethylenetriamine-pentaacetic acid, alkyl- or
  • alkenylsuccinic acid nitrilotriacetic acid or the other builders mentioned below.
  • Many builders are also bleach- stabilising agents by virtue of their ability to complex metal ions.
  • Zeolite and carbonate are preferred builders.
  • composition may contain as builder a crystalline
  • aluminosilicate preferably an alkali metal aluminosilicate, more preferably a sodium aluminosilicate. This is typically present at a level of less than 15%w.
  • Aluminosilicates are materials having the general formula: 0.8-1.5 M 2 0. A1 2 0 3 . 0.8-6 Si0 2 where M is a monovalent cation, preferably sodium. These materials contain some bound water and are required to have a calcium ion exchange capacity of at least 50 mg CaO/g.
  • the preferred sodium aluminosilicates contain 1.5-3.5 S1O 2 units in the formula above. They can be prepared readily by reaction between sodium silicate and sodium aluminate, as amply described in the literature.
  • the ratio of surfactants to alumuminosilicate (where present) is preferably greater than 5:2, more preferably greater than 3:1.
  • phosphate builders may be used.
  • x phosphate' embraces diphosphate, triphosphate, and phosphonate species.
  • Other forms of builder include
  • silicates such as soluble silicates, metasilicates , layered silicates (e.g. SKS-6 from Hoechst) .
  • the laundry detergent formulation is a non- phosphate built laundry detergent formulation, i.e., contains less than 1 wt% of phosphate.
  • the laundry detergent formulation is carbonate built.
  • composition preferably comprises a fluorescent agent
  • Fluorescent agents are well known and many such fluorescent agents are available commercially. 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 0.1 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 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-l , 3,5-triazin-2-yl) ] amino ⁇ stilbene-2-2' disulfonate, and disodium 4, 4 '-bis (2- sulfostyryl) biphenyl .
  • the aqueous solution used in the method has a fluorescer present.
  • a fluorescer is present in the aqueous solution used in the method it is preferably in the range from 0.0001 g/1 to 0.1 g/1, preferably 0.001 to 0.02 g/1.
  • the composition comprises a perfume.
  • the perfume is preferably in the range from 0.001 to 3 wt %, most preferably 0.1 to 1 wt %.
  • CTFA Cosmetic, Toiletry and Fragrance Association
  • perfumes are provided in the CTFA (Cosmetic, Toiletry and Fragrance Association) 1992 International Buyers Guide, published by CFTA Publications and OPD 1993 Chemicals Buyers Directory 80th Annual Edition, published by Schnell Publishing Co. It is commonplace for a plurality of perfume components to be present in a formulation. In the compositions of the present invention it is envisaged that there will be four or more, preferably five or more, more preferably six or more or even seven or more different perfume components. In perfume mixtures preferably 15 to 25 wt% are top notes.
  • Top notes are defined by Poucher (Journal of the Society of Cosmetic Chemists 6(2): 80 [1955]).
  • Preferred top-notes are selected from citrus oils, linalool, linalyl acetate, lavender, dihydromyrcenol , rose oxide and cis-3-hexanol .
  • Perfume and top note may be used to cue the whiteness benefit of the invention. It is preferred that the laundry treatment composition does not contain a peroxygen bleach, e.g., sodium percarbonate, sodium perborate, and peracid.
  • a peroxygen bleach e.g., sodium percarbonate, sodium perborate, and peracid.
  • the composition may comprise one or more polymers.
  • examples are carboxymethylcellulose, poly (ethylene glycol) ,
  • Polymers present to prevent dye deposition for example poly (vinylpyrrolidone) , poly (vinylpyridine-N-oxide) , and poly (vinylimidazole) , are preferably absent from the
  • One or more enzymes are preferred present in a composition of the invention and when practicing a method of the
  • the level of each enzyme is from 0.0001 wt% to 0.1 wt% protein.
  • enzymes include proteases, alpha- amylases, cellulases, lipases, peroxidases/oxidases, pectate lyases, and mannanases, or mixtures thereof.
  • 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), a Bacillus lipase, e.g. from B. subtilis (Dartois et al . (1993), Biochemica et Biophysica Acta, 1131, 253-360), B. stearothermophilus
  • lipase variants such as 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,
  • Preferred commercially available lipase enzymes include LipolaseTM and Lipolase UltraTM, LipexTM (Novozymes A/S) .
  • the method of the invention may be carried out in the presence of phospholipase classified as EC 3.1.1.4 and/or EC 3.1.1.32.
  • phospholipase is an enzyme which has activity towards phospholipids.
  • Phospholipids such as 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
  • 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 which can hydrolyze the remaining fatty acyl group in lysophospholipid.
  • Phospholipase C and phospholipase D release diacyl glycerol or phosphatidic acid respectively.
  • the enzyme and the shading dye 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 or shading dye and/or other segregation within the product.
  • 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, DuralaseTM, DyrazymTM, EsperaseTM, EverlaseTM, PolarzymeTM, and KannaseTM, (Novozymes A/S), MaxataseTM, MaxacalTM, MaxapemTM, ProperaseTM, PurafectTM, Purafect OxPTM, FN2TM, and F 3TM (Genencor International Inc.).
  • the method of the invention may be carried out in the presence of cutinase. classified in EC 3.1.1.74.
  • the method of the invention may be carried out in the presence of cutinase. classified in EC 3.1.1.74.
  • cutinase used according to the invention may be of any origin.
  • cutinases are of microbial origin, in particular of bacterial, of fungal or of yeast origin.
  • amylases include those of bacterial or fungal origin. Chemically modified or protein engineered mutants are included. Amylases include, for example, alpha-amylases obtained from Bacillus, e.g. a special strain of B. lichen!formis, 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,
  • 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
  • EndolaseTM RenozymeTM (Novozymes A/S), ClazinaseTM and Puradax HATM (Genencor International Inc.), and KAC-500(B)TM (Kao Corporation) .
  • Suitable peroxidases/oxidases include those of plant, bacterial or fungal origin. Chemically modified or protein engineered mutants are included. Examples of 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.
  • Any enzyme present in the composition may be stabilized using conventional stabilizing agents, e.g., a polyol such as 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
  • a polyol such as 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
  • composition may be formulated as described in e.g. WO
  • Knitted white polyester (microfiber) , knitted nylon-elastane (80:20) and white woven non-mercerised cotton fabrics were used together in 4g/L of a detergent which contained 15%
  • Linear Alkyl benzene sulfonate (LAS) surfactant 30% a 2 C03, 40% NaCl, remainder minors included calcite and fluorescer and moisture. Washes were conducted in demineralised water at room temperature with a liquor to cloth ratio of 30:1, for 30 minutes. This was then repeated three more times to accomplish 4 washes in total. Following the washes the cloths were rinsed twice in water, dried, the reflectance spectrum of the nylon-elastane was measured on a
  • the experiment was repeated with the addition of 200ppb Guaiazulene to the wash solution.
  • the Guaiazulene was added from a solution in ethanol.
  • the deposition of Guaiazulene to the fabrics was expressed as the Ab value such that

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)
EP10784310A 2010-01-07 2010-11-29 Natürliche tönungsmittel Withdrawn EP2521765A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10784310A EP2521765A1 (de) 2010-01-07 2010-11-29 Natürliche tönungsmittel

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10150249 2010-01-07
PCT/EP2010/068383 WO2011082889A1 (en) 2010-01-07 2010-11-29 Natural shading agents
EP10784310A EP2521765A1 (de) 2010-01-07 2010-11-29 Natürliche tönungsmittel

Publications (1)

Publication Number Publication Date
EP2521765A1 true EP2521765A1 (de) 2012-11-14

Family

ID=42227593

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10784310A Withdrawn EP2521765A1 (de) 2010-01-07 2010-11-29 Natürliche tönungsmittel

Country Status (4)

Country Link
EP (1) EP2521765A1 (de)
CN (1) CN102753672B (de)
WO (1) WO2011082889A1 (de)
ZA (1) ZA201204928B (de)

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See references of WO2011082889A1 *

Also Published As

Publication number Publication date
ZA201204928B (en) 2013-09-25
CN102753672B (zh) 2014-11-12
CN102753672A (zh) 2012-10-24
WO2011082889A1 (en) 2011-07-14

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