EP2598624A2 - Préparation tensioactive liquide stabilisée contenant une enzyme - Google Patents

Préparation tensioactive liquide stabilisée contenant une enzyme

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Publication number
EP2598624A2
EP2598624A2 EP11737920.6A EP11737920A EP2598624A2 EP 2598624 A2 EP2598624 A2 EP 2598624A2 EP 11737920 A EP11737920 A EP 11737920A EP 2598624 A2 EP2598624 A2 EP 2598624A2
Authority
EP
European Patent Office
Prior art keywords
acid
hydrolytic enzyme
surfactant preparation
enzyme
surfactant
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Withdrawn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
EP11737920.6A
Other languages
German (de)
English (en)
Inventor
Petra Siegert
Marion Merkel
Hendrik Hellmuth
Timothy O'connell
Karl-Heinz Maurer
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP2598624A2 publication Critical patent/EP2598624A2/fr
Withdrawn legal-status Critical Current

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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
    • C11D3/38663—Stabilised liquid enzyme compositions
    • 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
    • C11D3/2082—Polycarboxylic acids-salts thereof

Definitions

  • the invention is in the field of liquid enzyme-containing surfactant preparations, as used for example in washing, cleaning or disinfecting. More particularly, the invention relates to a liquid surfactant preparation in which a hydrolytic enzyme is stabilized. The invention further relates to uses of enzyme stabilizers and processes in which such stabilized enzymes find application. Furthermore, the invention relates to such stabilized enzyme preparations.
  • liquid enzyme-containing surfactant preparations for example liquid detergents or cleaners.
  • liquid detergents or cleaners After only a short time, they lose a considerable amount of enzymatic, in particular hydrolytic and, in particular, proteolytic activity.
  • the surfactant preparation for example, the washing, cleaning or
  • enzyme-containing surfactant preparations therefore consists in stabilizing the enzymes contained therein and protecting them from denaturation and / or cleavage or degradation, in particular during storage and / or during use of the surfactant preparation.
  • hydrolytic enzymes and in particular proteases are of interest.
  • Protease inhibitors acting boron and boronic acid derivatives are suitable to stabilize enzymes in liquid preparations, including detergents and cleaning agents.
  • a selection of boronic acid derivatives as stabilizers is disclosed, for example, in international patent application WO 96/41859 A1.
  • WO 92/19707 A1 and EP 478050 A1 disclose meta-substituted or para-substituted phenylboronic acids as enzyme stabilizers.
  • boric acids and boric acid derivatives have the disadvantage that they interact with others
  • the present invention has for its object to provide a liquid surfactant preparation with stabilized hydrolytic enzymes.
  • the surfactant preparation should contain fewer boron-containing compounds than enzyme stabilizers.
  • the invention relates to a liquid surfactant preparation comprising a hydrolytic enzyme and a hydrolytic enzyme stabilizing component, characterized
  • Benzene radical has a carboxyl group.
  • hydrolytic enzyme in particular a protease, advantageously keeps stable in a liquid surfactant preparation, for example in a liquid washing, cleaning or disinfecting agent.
  • boron-containing compounds as enzyme stabilizers in liquid surfactant preparations.
  • such a surfactant preparation may ideally be free of boron.
  • these compounds have the advantage that they unfold their stabilizing effect even in low to very low concentrations. They also have a good
  • Water solubility Therefore, they can be incorporated easily into liquid surfactant preparations, in particular into liquid detergents, cleaners or disinfectants or into a wash liquor formed by such a surfactant preparation, or can be easily used in these. Furthermore, a precipitation during storage is reduced or avoided altogether.
  • the hydrolytic enzyme stabilizing component comprises a polysubstituted benzenecarboxylic acid.
  • a benzenecarboxylic acid which has a carboxyl group (-COOH radical) on at least two carbon atoms (C atoms) of the benzene radical.
  • the benzenecarboxylic acid preferably has three, four, five or six carboxyl groups on the benzene radical. More preferably, the benzenecarboxylic acid at those carbon atoms, the no
  • Cary carboxyl group a hydrogen radical.
  • the carboxyl groups of the di-substituted benzene carboxylic acid may be in ortho, meta or para positions.
  • Other carboxyl groups can be located on any intermediate carbon atoms (carbon atoms).
  • the poly-substituted benzenecarboxylic acid is particularly preferably a benzene carboxylic acid having four carboxyl groups on the benzene radical. Most preferably, the carboxyl groups are located at the C atoms C1, C2, C4 and C5 of the benzene radical.
  • Such a compound is pyromellitic acid. It has carboxyl groups on the C atoms C1, C2, C4 and C5 of the benzene radical and hydrogen on the C atoms C3 and C6 and represents a very particularly preferred embodiment of the hydrolytic enzyme stabilizing component. It is in the following formula (I ) indicated:
  • benzene carboxylic acid in the invention also include derivatives of these compounds.
  • Such derivatives have further chemical modifications, in particular they may contain one or more methyl, amino, nitro, chloro, fluoro, bromo, hydroxyl, formyl, ethyl, acetyl, t-butyl, anisyl , Benzyl, trifluoroacetyl, N-hydroxysuccinimide, t-butyloxycarbonyl, benzoyl, 4-methylbenzyl, thioanizyl, thiocresyl, benzyloxymethyl, 4-nitrophenyl, benzyloxycarbonyl, 2-nitrobenzoyl, 2- Nitrophenylsulphenyl, 4-toluenesulphonyl, pentafluorophenyl, diphenylmethyl, 2-chlorobenzyloxycarbonyl, 2,4,5-trichlorophenyl, 2-bromobenzyloxycarbonyl
  • hydrolytic enzyme stabilizing component can be present in all protonated or deprotonated forms in the surfactant preparation. Furthermore, all such compounds, in particular their deprotonated forms, may be associated with cations. Preferred cations in this regard are divalent cations, in particular Ca ions (Ca 2+ ), Mg ions (Mg and Zn ions (Zn 2+ ).) Ca 2+ ions are particularly preferred.
  • the hydrolytic enzyme stabilizing component may consist entirely of said compound such that the hydrolytic enzyme stabilizing component is the polysubstituted benzenecarboxylic acid.
  • the hydrolytic enzyme stabilizing component may comprise further compounds such that the polysubstituted benzenecarboxylic acid is part of the hydrolytic enzyme stabilizing component.
  • the poly-substituted benzenecarboxylic acid is preferably in the liquid surfactant preparation in an amount of from 0.000001 to 10% by weight, and more preferably from 0.00001 to 5% by weight, from 0.001 to 3% by weight, from 0.01 to 2.5 wt .-%, from 0.1 to 2.25 wt .-% and from 0.5 to 2 wt .-%.
  • a hydrolytic enzyme is a hydrolase (EC 3.XXX) and thus an enzyme that hydrolytically cleaves esters, ethers, peptides, glycosides, acid anhydrides or CC bonds in a reversible reaction.
  • the hydrolytic enzyme therefore catalyzes the hydrolytic cleavage of substances according to AB + H 2 O ⁇ -> AH + B-OH.
  • Hydrolases constitute the third major class of EC classification of enzymes.
  • the EC numbers (“Enzyme Commission numbers”) form a numerical classification system for enzymes Each EC number consists of four numbers separated by periods, the first digit designating one of the six major enzyme classes and hydrolases corresponding to EC 3.XXX represent the third major class, and include proteases, peptidases, nucleases, phosphatases, glycosidases, and esterases.
  • the hydrolytic enzyme is preferably present in the liquid surfactant preparation in an amount of from 1 x 10 -8 to 5 weight percent, based on active protein, Preferably, the hydrolytic enzyme is from 0.001 to 5 weight percent, more preferably 0, From 0.01 to 5% by weight, more preferably from 0.05 to 4% by weight and more preferably from 0.075 to 3.5% by weight, in the liquid surfactant preparation
  • the hydrolytic enzyme may further be covalently bound to a carrier
  • the protein concentration in the surfactant preparation can be determined by known methods, for example, the BCA method (bicinchoninic acid, 2,2'-biquinolyl-4,4) in a non-covalently bound form and / or embedded in encapsulating substances, for example to protect it against premature inactivation 'dicarboxylic acid) or the biuret method (AG Gornall, CS Bardawill and MM David, J. Biol. Chem., 177 (1948), p. 751-766).
  • a surfactant preparation according to the invention is characterized in that the hydrolytic enzyme is a protease, amylase, cellulase, glycosidase, hemicellulase, mannanase, xylanase, xyloglucanase, xanthanase, pectinase, ⁇ -glucosidase, carrageenase or a lipase or a mixture, which comprises at least two of these enzymes.
  • the hydrolytic enzyme is a protease preferably a serine protease, more preferably a subtilase, and most preferably a subtilisin. It has been shown that proteases, in particular those proteases, are stabilized particularly well by the component stabilizing the hydrolytic enzyme in a surfactant preparation according to the invention. Because especially for washing, cleaning or
  • Disinfectant is the storage stability of enzymes and in particular the proteases a general problem.
  • proteases are the subtilisins BPN 'from Bacillus amyloliquefaciens and Carlsberg from Bacillus licheniformis, the protease PB92, the subtilisins 147 and 309, the protease from Bacillus lentus, subtilisin DY and the subtilases, but no longer the subtilisins in the strict sense attributable enzymes Thermitase, proteinase K and the proteases TW3 and TW7.
  • Subtilisin Carlsberg is in an evolved form under the trade name Alcalase® of the subtilisins BPN 'from Bacillus amyloliquefaciens and Carlsberg from Bacillus licheniformis, the protease PB92, the subtilisins 147 and 309, the protease from Bacillus lentus, subtilisin DY and the subtilases, but no longer the subtilisins in the strict sense attributable enzymes Thermitase,
  • subtilisins 147 and 309 are sold under the trade names Esperase®, and Savinase® by the company Novozymes. From the protease from Bacillus lentus DSM 5483 derived under the name BLAP® protease variants derived. Further useful proteases are, for example, those under the trade names Durazym®, Relase®, Everlase®, Nafizym®, Natalase®, Kannase® and Ovozyme® by the company Novozymes, which are among others
  • proteases are disclosed in patent applications WO 91/02792, WO 08/007319, WO 93/18140, WO 01/44452, GB 1243784, WO 96/34946, WO 02/029024 and WO 03/057246.
  • Other useful proteases are those that are found in the microorganisms Stenotrophomonas maltophilia, in particular
  • amylases are the Bacillus licheniformis ⁇ -amylases, from Bacillus
  • amyloliquefaciens or from Bacillus stearothermophilus and in particular their improved for use in detergents or cleaners further developments.
  • the enzyme from Bacillus licheniformis is available from the company Novozymes under the name Termamyl® and from the company Danisco / Genencor under the name Purastar®ST. Further development products of this ⁇ -amylase are available from the company Novozymes under the trade name Duramyl® and Termamyl®ultra, from the company Danisco / Genencor under the name Purastar®OxAm and from the company Daiwa Seiko Inc., Tokyo, Japan, as Keistase®.
  • the ⁇ -amylase from Bacillus amyloliquefaciens is marketed by the company Novozymes under the name B AN®, and derived variants of the Bacillus stearothermophilus ⁇ -amylase under the names BSG® and Novamyl®, also from the company
  • a-amylase from Aspergillus niger and A. oryzae suitable.
  • amylase-LT® and Stainzyme® or Stainzyme ultra® or Stainzyme plus® are advantageously usable commercial products.
  • Novozymes Also variants of these enzymes obtainable by point mutations can be used according to the invention.
  • cellulases examples include doglucanases, EG
  • EG fungal, endoglucanase
  • EG fungal, endoglucanase
  • Novozymes examples of cellulases
  • Endolase® and Carezyme® are based on the 50 kD EG or 43 kD EG from Humicola insolens DSM 1800. Further commercial products of this company are Cellusoft®, Renozyme® and Celluclean®.
  • cellulases available from the company AB Enzymes, Finland, under the trade names Ecostone® and Biotouch®, which are based, at least in part, on the 20 kD-EG of melanocarpus.
  • Other cellulases from AB Enzymes are Econase® and Ecopulp®.
  • Other suitable cellulases are from Bacillus sp. CBS 670.93 and CBS 669.93, those derived from Bacillus sp. CBS 670.93 from the company
  • Danisco / Genencor under the trade name Puradax® is available.
  • Other usable commercial products of the company Danisco / Genencor are "Genencor detergent cellulase L" and lndiAge®Neutra.
  • hydrolytic enzymes are those which are grouped under the term glycosidases (E.C. 3.2.1.X). These include in particular arabinases, fucosidases,
  • Galactosidases galactanases, arabico-galactan galactosidases, mannanases (also called mannosidases or mannases), glucuronosidases, agarase, carrageenases, pullulanases, ⁇ -glucosidases, xyloglucanases (xylanases), xanthanases and pectin degrading enzymes (Pectinases). Preferred glycosidases are also summarized by the term hemicellulases.
  • Hemicellulases include, in particular, mannanases, xyloglucanases (xylanases), ⁇ -glucosidases and carrageenases, and also pectinases, pullulanases and ⁇ -glucanases.
  • Pectinases are pectin-degrading enzymes, wherein the hydrolytic pectin degrading enzymes belong in particular to the enzyme classes EC 3.1 .1 .1 1, EC 3.2.1 .15, EC 3.2.1 .67 and EC 3.2.1 .82.
  • pectinases in the context of the present invention are also counted enzymes with the designations pectate lyase, pectin esterase, pectin methoxylase, pectin methoxylase, pectin methyl esterase, pectase, pectin methyl esterase, pectin esterase, pectin-pectin hydrolase, pectin-polymerase, endopolygalacturonase, pectolase, pectin hydrolase, pectin-polygalacturonase, endo-polygalacturonase, poly -a-1, 4-galacturonide glycanohydrolase, endogalacturonase, endo-D-galacturonase, galacturan 1, 4-a-galacturonidase, exopolygalacturonase, poly (galacturonate) hydrolase, exo-D-galacturonase
  • Exopolygalacturonosidase or Exopolygalacturanosidase.
  • enzymes suitable for this purpose are, for example, under the name Gamanase®, Pektinex AR® or Pectaway® from the company Novozymes, under the name Rohapec® B1 L from the company AB Enzymes and under the name Pyrolase® from the company Diversa Corp., San Diego, CA, USA available.
  • the ⁇ -glucanase obtained from Bacillus subtilis is available under the name Cereflo® from the company Novozymes.
  • Particularly preferred glycosidases or hemicellulases according to the invention are mannanases which are sold, for example, under the trade names Mannaway® by the company Novozymes or Purabrite® by the company Danisco / Genencor.
  • lipases or cutinases are those originally from Humicola lanuginosa
  • Thermomyces lanuginosus available or further developed lipases, especially those with the amino acid exchange D96L. They are sold, for example, by the company Novozymes under the trade names Lipolase®, Lipolase®Ultra, LipoPrime®, Lipozyme® and Lipex®. Another advantageous lipase is available under the trade name Lipoclean® from the company Novozymes. Furthermore, for example, the cutinases can be used, which were originally isolated from Fusarium solani pisi and Humicola insolens.
  • lipases are from the company Amano under the names Lipase CE®, Lipase P®, Lipase B®, and Lipase CES®, lipase AKG®, Bacillis sp. Lipase®, Lipase AP®, Lipase M-AP® and Lipase AML®. From the company Danisco / Genencor, for example, the lipases or cutinases can be used, the initial enzymes were originally isolated from Pseudomonas mendocina and Fusarium solanii.
  • the enzymes to be used in the context of the present invention can be derived, for example, originally from microorganisms, such as the genera Bacillus, Streptomyces, Humicola or Pseudomonas, and / or produced by suitable biotechnological methods by suitable microorganisms, for example by transgenic expression hosts, for example the genera Escherichia, Bacillus, or by filamentous fungi. It is emphasized that they may in particular also be technical enzyme preparations of the respective enzyme, i. Accompanying substances may be present. Therefore, the enzymes can be formulated and used together with accompanying substances, for example from the fermentation or with other stabilizers.
  • An enzyme stabilization according to the invention is when the presence of the hydrolytic enzyme stabilizing component causes a surfactant preparation comprising hydrolytic enzyme and hydrolytic enzyme stabilizing component
  • the surfactant preparation according to the invention differs (control).
  • the poly-substituted benzenecarboxylic acid is contained in the surfactant preparation of the present invention in an amount of 0.5 to 2% by weight.
  • the surfactant preparation according to the invention therefore has a higher residual activity of the hydrolytic enzyme compared to the control, wherein the preparation according to the invention and the control have the same initial enzymatic activity at the start of storage, both preparations are treated in the same way, especially concerning the conditions of Storage and determination of enzyme activity.
  • storage is for at least 24 hours, 48 hours, 72 hours, 5 days, 1 week, 13 days, 3 weeks or 4 weeks. More preferably, the storage is carried out at a temperature of 20 ° C, 25 ° C or 30 ° C.
  • the enzyme activity can in this regard - matched to the respective type of enzyme - done in the usual way. Methods for determining activity are familiar to the expert in the field of enzyme technology and are routinely used by him. Methods for determining the protease activity are disclosed, for example, in Tenside, Vol. 7 (1970), pp. 125-132. The proteolytic activity can be further determined by the release of the
  • the protease cleaves the substrate and releases pNA.
  • the release of the pNA causes an increase in absorbance at 410 nm, the time course of which is a measure of enzymatic activity (see Del Mar et al., 1979).
  • the measurement is carried out at a temperature of 25 ° C, at pH 8.6 and a wavelength of 410 nm.
  • the measuring time is 5 min. at a measuring interval of 20s to 60s.
  • the protease activity is preferably indicated in PE (protease units).
  • the presence of enzyme stabilization is determined using a protease-containing liquid surfactant preparation which is stored for 13 days at a temperature of 30 ° C, and whose residual proteolytic activity is determined by the release of the chromophore para-nitroaniline (pNA) from the Substrate suc-AAPF-pNA. Most preferably, the presence of enzyme stabilization is determined as described in the example.
  • a type of surfactant preparation is any kind of
  • composition containing at least one surfactant.
  • a composition contains a surfactant as described below.
  • liquid surfactant preparations in this case all liquid or flowable
  • viscosity can be determined by conventional standard methods (for example Brookfield viscometer LVT-II at 20 rpm and 20 ° C, spindle 3) and is preferably in the range from 5 to 10000 mPas
  • Preferred agents have viscosities of from 10 to 8000 mPas, values between 120 and 3000 mPas being particularly preferred
  • Surfactant preparation in the context of the present invention may therefore also be gelatinous or paste-like, it may be present as a homogeneous solution or suspension, as well as
  • a liquid surfactant preparation according to the invention can be used as such or after dilution with water, in particular for the cleaning of textiles and / or hard
  • Such dilution can be readily made by diluting a measured amount of the surfactant preparation in a further amount of water in certain weight ratios of surfactant preparation: water and optionally shaking this dilution to ensure uniform distribution of the surfactant formulation in the water.
  • Possible weight or volume ratios of the dilutions are from 1: 0 surfactant preparation: water to 1: 10,000 or 1: 20000 surfactant preparation: water, preferably from 1:10 to 1: 2000
  • Surfactant preparation water.
  • a surfactant preparation in the sense of the present invention can therefore also be the washing or cleaning liquor itself.
  • the washing or cleaning liquor is understood to mean the use solution containing the washing or cleaning agent which acts on textiles or fabrics (wash liquor) or hard surfaces (cleaning liquor) and thus comes into contact with the soiling present on textiles or fabrics or hard surfaces ,
  • the washing or cleaning liquor arises when the washing or cleaning process begins and the washing or cleaning agent is diluted, for example, in a washing machine or other suitable container with water.
  • the surfactant preparation is a washing, cleaning or disinfecting agent.
  • the detergents include all conceivable types of detergents, in particular detergents for textiles, carpets or natural fibers. They can be provided for manual and / or machine application.
  • the detergents also include washing aids which are metered into the actual detergent during manual or automatic textile washing in order to achieve further wrinkling.
  • the cleaning agents are all, also in all of these forms of administration occurring means for cleaning and / or
  • a disinfectant preferably causes a germ reduction by a factor of at least 10 4 , that is to say that of originally 10,000 proliferating germs (so-called colony-forming units - CFU) survived no more than a single, with viruses in this regard are not considered as germs, since they have no cytoplasm and have no own metabolism.
  • Preferred disinfectants cause a
  • Germ reduction by a factor of at least 10 5 is a factor of at least 10 5 .
  • surfactant (s) it is possible to use anionic, nonionic, zwitterionic and / or amphoteric surfactants. From an application point of view, preference is given to mixtures of anionic and nonionic surfactants.
  • the total surfactant content of the liquid surfactant preparation is preferably below 60% by weight, and more preferably below 45% by weight, based on the total liquid surfactant formulation.
  • Suitable nonionic surfactants include alkoxylated fatty alcohols, alkoxylated fatty acid alkyl esters, fatty acid amides, alkoxylated fatty acid amides, polyhydroxy fatty acid amides, alkylphenol polyglycol ethers, amine oxides, alkyl polyglucosides, and mixtures thereof.
  • the nonionic surfactants used are preferably alkoxylated, advantageously ethoxylated, in particular primary, alcohols having preferably 8 to 18 carbon atoms and on average 1 to 12 moles of ethylene oxide (EO) per mole of alcohol, in which the alcohol radical can be linear or preferably methyl-branched in the 2-position or linear and methyl-branched radicals in the mixture can contain, as they are usually present in Oxoalkoholresten.
  • alcohol ethoxylates with linear radicals of alcohols of native origin having 12 to 18 carbon atoms, for example of coconut, palm, tallow or oleyl alcohol, and on average 2 to 8 EO per mole of alcohol are preferred.
  • the preferred ethoxylated alcohols include, for example, C 2 _ 4 -alcohols with 3 EO, 4 EO or 7 EO, Cg-alcohol with 7 EO, C 13 . 15 -alcohols with 3 EO, 5 EO, 7 EO or 8 EO, C 2 -8 alcohols with 3 EO, 5 EO or 7 EO and mixtures of these, such as
  • Levels of ethoxylation represent statistical averages, which may be an integer or a fractional number for a particular product.
  • Preferred alcohol ethoxylates have a narrow homolog distribution (narrow rank ethoxylates, NRE).
  • fatty alcohols with more than 12 EO can also be used. Examples include tallow fatty alcohol with 14 EO, 25 EO, 30 EO or 40 EO.
  • Nonionic surfactants containing EO and PO groups together in the molecule can also be used according to the invention.
  • Also suitable are also a mixture of a (more) branched ethoxylated fatty alcohol and an unbranched ethoxylated fatty alcohol, such as a mixture of a C 6 . 8 - Fatty alcohol with 7 EO and 2-propylheptanol with 7 EO.
  • the fatty alcohols with more than 12 EO can also be used. Examples include tallow fatty alcohol with 14 EO, 25 EO, 30 EO or 40 EO
  • Surfactant preparation a C 2 . 8 fatty alcohol with 7 EO or a C 3 . 5 -Oxoalkohol with 7 EO as nonionic surfactant.
  • the content of nonionic surfactants is preferably 3 to 40 wt .-%, preferably 5 to 30 wt .-% and in particular 7 to 20 wt .-%, each based on the total surfactant.
  • the surfactant preparation may also contain anionic surfactants.
  • anionic surfactant are preferably sulfonates, sulfates, soaps,
  • the surfactants of the sulfonate type are preferably C 9 . 3- alkyl benzene sulphonates,
  • Olefinsulfonate ie mixtures of alkene and Hydroxyalkansulfonaten and disulfonates, such as those from C 2 . 8 -monoolefins with terminal or internal double bond by sulfonation with gaseous sulfur trioxide and subsequent alkaline or acid hydrolysis the sulfonation obtained.
  • Alk (en) ylsulfates are the alkali metal and in particular the sodium salts of
  • Sulfuric acid half esters of C 2 -C 8 fatty alcohols for example from coconut fatty alcohol,
  • Tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol or the C 0 -C 20 oxo alcohols and those half-esters of secondary alcohols of these chain lengths are preferred.
  • the C 2 -C 6 alkyl sulfates and C 2 -C 5 alkyl sulfates and C 4 -C 5 alkyl sulfates are preferred.
  • 2,3-alkyl sulfates are also suitable anionic surfactants.
  • sulfuric acid monoesters of straight-chain or branched C 7 ethoxylated with 1 to 6 moles of ethylene oxide are suitable.
  • 2- alcohols such as 2-methyl-branched Cg- alcohols having an average of 3.5 moles of ethylene oxide (EO) or C 2 . 8 fatty alcohols with 1 to 4 EO are suitable.
  • anionic surfactants are soaps.
  • Suitable are saturated and unsaturated fatty acid soaps, such as the salts of lauric acid, myristic acid, palmitic acid, stearic acid, (hydrogenated) erucic acid and behenic acid and, in particular, soap mixtures derived from natural fatty acids, for example coconut, palm kernel, olive oil or tallow fatty acids.
  • the anionic surfactants including the soaps may be in the form of their sodium, potassium or magnesium or ammonium salts.
  • the anionic surfactants are in the form of their sodium salts.
  • Further preferred counterions for the anionic surfactants are also the protonated forms of choline, triethylamine or methylethylamine.
  • the content of a surfactant preparation of anionic surfactants can be from 1 to 40% by weight, preferably from 5 to 30% by weight and very particularly preferably from 10 to 25% by weight, based in each case on the total surfactant preparation.
  • the surfactant preparation is characterized by further comprising at least one other ingredient selected from the group consisting of builder, nonaqueous solvent, acid, water soluble salt, thickener, disinfecting ingredient, and combinations thereof.
  • the improved cleaning performance and / or disinfection is based on a synergistic interaction of at least two ingredients.
  • the hydrolytic enzyme preferably a protease
  • the hydrolytic enzyme preferably a protease
  • Such a synergy can be achieved with one of the thickening agents described below and / or with one of the disinfecting ingredients described below.
  • Builders which may be present in the surfactant preparation include, in particular, silicates, aluminum silicates (in particular zeolites), carbonates, salts of organic di- and polycarboxylic acids and mixtures of these substances.
  • Organic builders which may be present in the surfactant preparation are, for example, the polycarboxylic acids which can be used in the form of their sodium salts, polycarboxylic acids meaning those carboxylic acids which carry more than one acid function.
  • these are citric acid, adipic acid, succinic acid, glutaric acid, malic acid, tartaric acid, maleic acid, fumaric acid, sugar acids, aminocarboxylic acids,
  • NTA Nitrilotriacetic acid
  • MGDA methylglycine diacetic acid
  • Preferred salts are the salts of polycarboxylic acids such as
  • Citric acid Citric acid, adipic acid, succinic acid, glutaric acid, tartaric acid, sugar acids and
  • polymeric polycarboxylates are suitable. These are, for example, the alkali metal salts of polyacrylic acid or polymethacrylic acid, for example, those having a molecular weight of 600 to 750,000 g / mol.
  • Suitable polymers are, in particular, polyacrylates, which preferably have a molecular weight of from 1, 000 to 15, 000 g / mol. Because of their superior solubility, the short-chain polyacrylates, which have molecular weights of from 1 000 to 10 000 g / mol, and particularly preferably from 1 000 to 5 000 g / mol, may again be preferred from this group.
  • copolymeric polycarboxylates in particular those of acrylic acid with methacrylic acid and of acrylic acid or methacrylic acid with maleic acid.
  • the polymers may also contain allylsulfonic acids, such as allyloxybenzenesulfonic acid and methallylsulfonic acid, as a monomer.
  • soluble builders such as, for example, citric acid, or acrylic polymers having a molar mass of from 1 000 to 5 000 g / mol, preferably in the liquid surfactant preparation.
  • the molecular weights stated for polymeric polycarboxylates are weight-average molecular weights M w of the particular acid form, which were determined in principle by means of gel permeation chromatography (GPC), a UV detector being used. The measurement was carried out against an external polyacrylic acid standard, which provides realistic molecular weight values due to its structural relationship with the polymers investigated. These data differ significantly from the molecular weight data in which
  • Polystyrene sulfonic acids are used as standard.
  • the molar masses measured against polystyrenesulfonic acids are generally significantly higher than the molecular weights specified in this document.
  • organic builder substances may be present in amounts of up to 40% by weight, in particular up to 25% by weight and preferably from 1% by weight to 8% by weight. Amounts close to the stated upper limit are preferably used in paste-form or liquid, in particular water-containing, surfactant preparations.
  • the surfactant preparations according to the invention are liquid and preferably contain water as the main solvent.
  • non-aqueous solvents may be added to the surfactant preparation. Suitable non-aqueous solvents include mono- or polyhydric alcohols, alkanolamines or glycol ethers, provided that they are miscible with water in the specified concentration range.
  • the solvents are preferably selected from ethanol, n-propanol, i-propanol, butanols, glycol, propanediol, butanediol, glycerol, diglycol, propyldiglycol, butyldiglycol, hexylene glycol, ethylene glycol methyl ether, ethylene glycol ethyl ether, ethylene glycol propyl ether, ethylene glycol mono-n-butyl ether, diethylene glycol methyl ether,
  • Propylene glycol propyl ether dipropylene glycol monomethyl ether, dipropylene glycol monoethyl ether, diisopropylene glycol monomethyl ether, di-isopropylene glycol monoethyl ether, methoxy triglycol, ethoxy triglycol, butoxy triglycol, 1-butoxyethoxy-2-propanol, 3-methyl-3-methoxybutanol, propylene glycol t-butyl ether, di-n-octyl ether and Mixtures of these solvents.
  • the surfactant formulation contain a polyol as a nonaqueous solvent.
  • the polyol may in particular comprise glycerol, 1, 2-propanediol, 1, 3-propanediol, ethylene glycol, diethylene glycol and / or dipropylene glycol.
  • the surfactant formulation contains a mixture of a polyol and a monohydric alcohol.
  • Non-aqueous solvents may be used in the surfactant preparation in amounts of between 0.5 and 15% by weight, but preferably below 12% by weight.
  • the surfactant formulations system and environmentally friendly Acids in particular citric acid, acetic acid, tartaric acid, malic acid, lactic acid,
  • Glycolic acid succinic acid, glutaric acid and / or adipic acid, but also mineral acids, in particular sulfuric acid, or bases, in particular ammonium or alkali metal hydroxides.
  • pH regulators are present in the surfactant preparations in amounts of preferably not more than 20% by weight, in particular from 1.2% by weight to 17% by weight.
  • a surfactant preparation according to the invention may further contain one or more water-soluble salts which serve, for example, for adjusting the viscosity.
  • water-soluble salts which serve, for example, for adjusting the viscosity.
  • These may be inorganic and / or organic salts.
  • Useful inorganic salts are preferably selected from the group comprising colorless water-soluble halides, sulfates, sulfites, carbonates, bicarbonates, nitrates, nitrites, phosphates and / or oxides of
  • Useful organic salts are, for example, colorless water-soluble alkali metal,
  • Alkaline earth metal, ammonium, aluminum and / or transition metal salts of carboxylic acids are selected from the group comprising formate, acetate, propionate, citrate, malate, tartrate, succinate, malonate, oxalate, lactate and mixtures thereof.
  • a surfactant preparation according to the invention may contain one or more
  • the thickener is selected from the group comprising xanthan, guar, carrageenan, agar-agar, gellan, pectin, locust bean gum and mixtures thereof. These compounds are effective thickeners even in the presence of inorganic salts.
  • the thickener is selected from the group comprising xanthan, guar, carrageenan, agar-agar, gellan, pectin, locust bean gum and mixtures thereof. These compounds are effective thickeners even in the presence of inorganic salts.
  • the thickener is selected from the group comprising xanthan, guar, carrageenan, agar-agar, gellan, pectin, locust bean gum and mixtures thereof.
  • Xanthan gum as thickening agent, since xanthan gum effectively thickens even in the presence of high salt concentrations and prevents macroscopic separation of the continuous phase.
  • the thickener stabilizes the continuous, low surfactant phase and prevents macroscopic phase separation.
  • acrylic and methacrylic (co) polymers include, for example, the high molecular weight homopolymers of acrylic acid crosslinked with a polyalkenyl polyether, in particular an allyl ether of sucrose, pentaerythritol or propylene (INCI name according to the International Dictionary of Cosmetic Ingredients of The Cosmetic, Toiletry and Fragrance Association (CTFA) ": carbomer), also referred to as carboxyvinyl polymers.
  • CFA Cosmetic, Toiletry and Fragrance Association
  • Such polyacrylic acids are available, inter alia, under the trade names Polygel® and Carbopol®.
  • acrylic acid copolymers are suitable: (i) Copolymers of two or more monomers from the group of acrylic acid, methacrylic acid and their simple, preferably with C ⁇ alkanols formed esters (INCI acrylates copolymer), which are available, for example, under the trade names Aculyn®, Acusol® or Tego® polymer; (ii) crosslinked high molecular weight acrylic acid copolymers, such as those crosslinked with an allyl ether of sucrose or pentaerythritol copolymers of C 0 -3o-alkyl acrylates with one or more monomers from the group of acrylic acid, methacrylic acid and their simple, preferably with C ⁇ Alkanols formed, esters (INCI acrylates / C 0 -3o alkyl acrylate crosspolymer) include and which are available, for example, under the trade name Carbopol®.
  • Other suitable polymers are (meth) acrylic acid (co) poly
  • the surfactant preparation according to the invention comprises
  • the surfactant preparation may contain from 0.05 to 1.5% by weight and preferably 0.1 to 1% by weight, based in each case on the total surfactant preparation, of thickening agent.
  • the amount of thickener used depends on the type of thickener and the desired degree of thickening.
  • ingredients which have an antimicrobial or antiviral activity are understood to be a disinfectant ingredient.
  • the germicidal effect is dependent on the content of the disinfecting ingredient in the
  • a preferred disinfecting ingredient is ethanol or propanol. These monohydric alcohols are commonly used in their solvent properties and their germicidal nature
  • propanol includes both the 1-propanol (n-propanol) and the 2-propanol ("isopropanol").
  • Ethanol and / or propanol for example, in an amount of from 10 to 65 wt .-%, preferably 25 to 55 wt .-% in the surfactant preparation.
  • Another preferred disinfecting ingredient is tea tree oil.
  • the tea tree oil is obtained by steam distillation from the leaves and branch tips of these trees and is a mixture of about 100 substances; its main constituents include (+) - terpinene-4-ol, ⁇ -terpinene, terpinolene, terpineol, pinene, myrcene, phellandrene, p-cymene, limonene and 1,8-cineole.
  • Tea tree oil is, for example, in an amount of 0.05 to 10 wt .-%, preferably 0.1 to 5.0 wt .-%, in the contain virucidal treatment solution.
  • Another preferred disinfecting ingredient is lactic acid.
  • the lactic acid or 2-hydroxypropionic acid is a fermentation product produced by various microorganisms. She is weakly active in antibiotics. Lactic acid is for example in amounts of up to 10 wt .-%, preferably 0.2 to 5.0 wt .-% in the
  • disinfectant ingredients are, for example, active compounds from the groups of alcohols, aldehydes, antimicrobial acids or their salts, carboxylic esters, acid amides, phenols, phenol derivatives, diphenyls, diphenylalkanes, urea derivatives, oxygen, nitrogen acetals and formals, benzamidines, isothiazoles and derivatives thereof such as isothiazolines and isothiazolinones, phthalimide derivatives, pyridine derivatives, antimicrobial surface active compounds, guanidines, antimicrobial amphoteric compounds, quinolines, 1, 2-dibromo-2,4-dicyanobutane, iodo-2-propynyl-butyl-carbamate, iodine, iodophores and peroxides.
  • active compounds from the groups of alcohols, aldehydes, antimicrobial acids or their salts, carboxylic esters, acid amides, phenols,
  • Preferred preferred infuents here are selected from the group comprising 1,3-butanediol, phenoxyethanol, 1,2-propylene glycol, glycerol, undecylenic acid, citric acid, lactic acid, benzoic acid, salicylic acid, thymol, 2-benzyl-4-chlorophenol, 2,2 '.
  • particularly preferred active compounds are selected from the group comprising salicylic acid, quaternary surfactants, in particular benzalkonium chloride, peroxo compounds, in particular hydrogen peroxide, alkali metal hypochlorite and mixtures thereof.
  • Such another disinfecting ingredient is, for example, in an amount of 0.01 to 1 wt .-%, preferably 0.02 to 0.8 wt .-%, in particular 0.05 to 0.5 wt .-%, particularly preferably 0 , 1 to 0.3 wt .-%, most preferably 0.2 wt .-% in the surfactant preparation.
  • Liquid surfactant preparations according to the invention in the form of customary solvent-containing solutions are generally prepared by simply mixing the ingredients, which can be added in bulk or as a solution in an automatic mixer.
  • Surfactant formulations according to the invention may contain only the hydrolytic enzyme as described. Alternatively, they may also contain other hydrolytic enzymes or other enzymes in a concentration useful for the efficacy of the surfactant preparation. Another object of the invention, therefore, are surfactant preparations which further comprise one or more comprise a plurality of other enzymes, wherein in principle all enzymes established in the art for this purpose can be used.
  • enzymes which can be used as further enzymes are all enzymes which can exhibit catalytic activity in a surfactant preparation according to the invention, in particular a protease, amylase, cellulase, hemicellulase, mannanase, tannase, xylanase, xanthanase, xyloglucanase, .beta.-glucosidase, pectinase, carrageenase, perhydrolase, Oxidase, oxidoreductase or a lipase, and mixtures thereof.
  • Other enzymes are in the
  • each surfactant preparation advantageously in each case in a total amount of 1 x 10 ⁇ 8 to 5 percent by weight based on active protein.
  • each enzyme is from 0.0001 to 1%, and more preferably from 0.0005 to 0.5%, from 0.001 to 0.1% and most preferably from 0.001 to 0.06% by weight, contained in surfactant formulations of the invention on active protein.
  • the enzymes show synergistic cleaning performance against certain stains or stains, ie the enzymes contained in the surfactant preparation support each other in their cleaning performance.
  • the hydrolytic enzyme stabilizing component may further comprise at least one further enzyme stabilizer.
  • a further enzyme stabilizer is or comprises a polyol, in particular glycerol, 1,2-ethylene glycol or propylene glycol, an antioxidant, glyceric acid, calcium ions or
  • Calcium compounds lactate or a lactate derivative. It may also be one or more of those enzyme stabilizing compounds that are known in the international art
  • Patent applications WO 07/1 13241 A1 or WO 02/008398 A1 are disclosed.
  • Benzene carboxylic acid and the further enzyme stabilizer preferably results in a synergistic enzyme stabilization.
  • This is understood to mean a better enzyme stabilization by the combination of both compounds in comparison with the enzyme stabilization by one of these compounds alone and also with respect to the sum of the individual performances of the two compounds with regard to enzyme stabilization.
  • a combination of corresponding compounds as the hydrolytic enzyme stabilizing component therefore makes it possible, for example, to be able to use the stabilizers overall in a lower concentration in surfactant preparations according to the invention. Further, it is possible to effect improved enzyme stabilization with such an enzyme stabilizing component.
  • the further enzyme stabilizer need not necessarily be boron-free Stabilizer act, since it is also possible due to the interaction of both compounds to use a smaller amount of a boron-containing compound in a surfactant preparation.
  • a phenylboronic acid derivative having the structural formula
  • R represents hydrogen, a hydroxyl, a C 1 -C 6 -alkyl, a substituted C 1 -C 6 -alkyl, a C 1 -C 6 -alkenyl or a substituted C 1 -C 6 -alkenyl group, preferably Formylphenyl boronic acid (4-FPBA).
  • the further enzyme stabilizer is preferably present in a concentration of from 0.000001 to 10% by weight and more preferably from 0.00001 to 5% by weight, from 0.0001 to 2.5% by weight, from 0.001 to 2% by weight .-%, from 0.01 to 1, 5 wt .-% and from 0.1 to 1 wt .-% in the surfactant preparation before.
  • Another object of the invention is the use of a component, a poly-substituted benzenecarboxylic acid having on at least two carbon atoms of the benzene radical having a carboxyl group, for stabilizing a hydrolytic enzyme in a liquid surfactant preparation.
  • this component causes an advantageous stabilization of the hydrolytic enzyme in a liquid surfactant preparation.
  • the poly-substituted benzene carboxylic acid is pyromellitic acid.
  • the hydrolytic enzyme is a protease.
  • Another object of the invention is a method in which a hydrolytic enzyme is stabilized in a wash liquor by a hydrolytic enzyme stabilizing component comprising a poly-substituted benzenecarboxylic acid having at least two carbon atoms of the benzene radical having a carboxyl group.
  • a hydrolytic enzyme stabilizing component comprising a poly-substituted benzenecarboxylic acid having at least two carbon atoms of the benzene radical having a carboxyl group.
  • the poly-substituted benzene carboxylic acid is pyromellitic acid. Because as stated above, this component causes an advantageous stabilization of the enzyme in a liquid surfactant preparation. Consequently, the hydrolytic enzyme is also stabilized in the corresponding washing or cleaning liquor, based on the liquid
  • Surfactant preparation It is preferably a washing, cleaning or
  • Disinfection procedures Particularly preferred in such a method is a
  • the hydrolytic enzyme is selected from the group consisting of protease, amylase, cellulase, glycosidase, hemicellulase, mannanase, xylanase, xyloglucanase, xanthanase, pectinase, ⁇ -glucosidase, carrageenase, lipase, or mixtures thereof.
  • the hydrolytic enzyme is a protease.
  • a method according to the invention is carried out in a temperature range between 10 ° C and 60 ° C, in particular between 10 ° C and 50 ° C, between 10 ° C and 40 ° C, between 10 ° C and 30 ° C and more preferably between 15 ° C and 30 ° C.
  • Thermostable hydrolytic enzymes could be used even at temperatures even higher than 60 ° C in processes of the invention, for example up to 70 ° C or 75 ° C.
  • a surfactant formulation based on a toilet detergent advantageously has an acidic pH, for example, a pH between pH 2 and pH 5.
  • a surfactant preparation based on a laundry detergent or other hard surface cleaning agent advantageously has a slightly acidic, neutral or alkaline pH, for example a pH between pH6 and pH1 or between pH7 and pH10.
  • Hand dishwashing detergent for example, has a pH between pH 6.5 and pH8. Consequently, it is advantageous to carry out a method according to the invention also at these respective pH values.
  • Another object of the invention is a liquid enzyme preparation comprising a hydrolytic enzyme and a hydrolytic enzyme stabilizing component, characterized in that the hydrolytic enzyme stabilizing component comprises a polysubstituted benzenecarboxylic acid which has a carboxyl group on at least two carbon atoms of the benzene radical, in particular pyromellitic acid.
  • a hydrolytic enzyme stabilizing component as described above
  • a hydrolytic enzyme is stabilized in a liquid preparation that does not comprise a surfactant. Consequently, with such a component hydrolytic enzymes can also be stabilized in a culture supernatant of a fermentation, during the working up of a culture supernatant of a fermentation or in a liquid enzyme preparation.
  • the multi-substituted benzene carboxylic acid provided according to the invention is present in an amount of from 0.000001 to 10% by weight and / or the hydrolytic enzyme in an amount of from 1 ⁇ 10 -8 to 5% by weight, based on active protein, in the preparation contain.
  • the hydrolytic enzyme is a protease.
  • Embodiments which are not only valid exclusively for surfactant preparations according to the invention are therefore also applicable to this subject of the invention. Therefore, reference is made at this point expressly to the disclosure in the appropriate place with the statement that this disclosure also applies to liquid enzyme preparations according to the invention.
  • the detergent base formulation used was a liquid detergent of the following composition (all figures in percentages by weight): 0.3-0.5% xanthan gum, 0.2-0.4% anti-foaming agent, 6-7% glycerol, 0.3 g 0.5% ethanol, 4-7% FAEOS (fatty alcohol ether sulfate), 24-28% nonionic surfactants, 1-2% sodium citrate (dihydrate), 2-4% soda, 14-16% coconut fatty acids, 0.5% HEDP (1-hydroxyethane (1,1-di-phosphonic acid)), 0-0.4% PVP (polyvinylpyrrolidone), 0-0.05% optical brightener, 0-0.001% dye, balance demineralized water.
  • 0.3-0.5% xanthan gum 0.2-0.4% anti-foaming agent
  • 6-7% glycerol 0.3 g 0.5% ethanol
  • FAEOS fatty alcohol ether sulfate
  • nonionic surfactants 1-2% sodium citrate (dihydrate), 2-4% soda, 14-16% coconut
  • Pyromellitic acid (Sigma) was incorporated in this formulation as the hydrolytic enzyme stabilizing component as indicated below (see Table 1,% w / w).
  • the controls used were comparison formulations containing either boric acid
  • Protease used was the variant F49 of the protease from Bacillus lentus according to WO 95/23221 (amount used 1% by weight of active substance).
  • the storage was carried out for different lengths of time as indicated in Table 1 in airtight containers at 30 ° C.
  • the respective residual proteolytic activity was determined via the release of the chromophore para-nitroaniline (pNA) from the substrate suc-L-Ala-L-Ala-L-Pro-L-Phe-p-nitroanilide (suc-AAPF-pNA).
  • pNA chromophore para-nitroaniline
  • the protease cleaves the substrate and releases pNA.
  • the release of pNA causes an increase in absorbance at 410 nm, the time course of which is a measure of enzymatic activity (see Del Mar et al., 1979).
  • the measurement was carried out at a temperature of 25 ° C, at pH 8.6 and a wavelength of 410 nm.
  • the measurement time was 5 min. at a measuring interval of 20s to 60s.
  • the obtained proteolytic Activities are given in Table 1 below, based on a baseline starting activity of 100%.
  • Component an improvement in enzyme stability compared to the control without
  • Enzyme stabilizer causes. It can therefore be used in a liquid

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Abstract

L'invention concerne une préparation tensioactive liquide dans laquelle une enzyme hydrolytique est stabilisée par utilisation d'un composant stabilisateur de l'enzyme hydrolytique, qui contient un acide benzènecarboxylique polysubstitué présentant un groupe carboxyle sur au moins deux atomes de carbone du reste benzène.
EP11737920.6A 2010-07-27 2011-07-12 Préparation tensioactive liquide stabilisée contenant une enzyme Withdrawn EP2598624A2 (fr)

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WO2012019848A3 (fr) 2012-05-24
WO2012019848A2 (fr) 2012-02-16
US8802614B2 (en) 2014-08-12
US20130137623A1 (en) 2013-05-30

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