WO2013068394A1 - Verdicker enthaltend mindestens ein kationisches polymer - Google Patents
Verdicker enthaltend mindestens ein kationisches polymer Download PDFInfo
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- WO2013068394A1 WO2013068394A1 PCT/EP2012/072021 EP2012072021W WO2013068394A1 WO 2013068394 A1 WO2013068394 A1 WO 2013068394A1 EP 2012072021 W EP2012072021 W EP 2012072021W WO 2013068394 A1 WO2013068394 A1 WO 2013068394A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F220/28—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
- C08F220/281—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing only one oxygen, e.g. furfuryl (meth)acrylate or 2-methoxyethyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/43—Thickening agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- A61K8/8158—Homopolymers or copolymers of amides or imides, e.g. (meth) acrylamide; Compositions of derivatives of such polymers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/817—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions or derivatives of such polymers, e.g. vinylimidazol, vinylcaprolactame, allylamines (Polyquaternium 6)
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/817—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions or derivatives of such polymers, e.g. vinylimidazol, vinylcaprolactame, allylamines (Polyquaternium 6)
- A61K8/8182—Copolymers of vinyl-pyrrolidones. Compositions of derivatives of such polymers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/32—Polymerisation in water-in-oil emulsions
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/34—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3769—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/10—General cosmetic use
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/48—Thickener, Thickening system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/10—Washing or bathing preparations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/02—Preparations for cleaning the hair
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/06—Preparations for styling the hair, e.g. by temporary shaping or colouring
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/12—Preparations containing hair conditioners
Definitions
- the present invention relates to a thickener comprising at least one cationic polymer and at least one activator, wherein the ratio of activator to cationic polymer is> 10: 100 [% by weight /% by weight].
- the cationic polymer can be prepared by polymerization of at least one water-soluble, ethylenically unsaturated monomer and at least one ethylenically unsaturated associative monomer.
- the present invention relates to a process for the preparation of the thickener according to the invention and to surfactant-containing formulations comprising at least one thickener. Further subjects of the invention are the use of the surfactant-containing formulations, for example as a fabric softener or as liquid detergent. and the use of the thickener, for example as a viscosity modifier.
- WO 03/102043 relates to aqueous formulations comprising a cationic polymer prepared from (i) a water-soluble, ethylenically unsaturated monomer or a monomer mixture comprising at least one cationic monomer, (ii) at least one crosslinker in an amount of more than 50 ppm based on the component (i), and (iii) at least one chain transfer agent.
- the aqueous formulations can be used as thickeners in household formulations.
- WO 2009/019225 relates to an aqueous dispersion of an alkali-soluble copolymer which is suitable as an associative thickener.
- the copolymer comprises copolymerized units of a) at least one ethylenically unsaturated carboxylic acid, b) at least one nonionic ethylenically unsaturated surfactant monomer, c) at least one C 1 -C 2 -alkyl methacrylate and d) at least one C 2 -C 4 -alkyl acrylate, wherein the the number of alkyl groups of the alkyl acrylate averaged alkyl chain length is 2.1 to 4.0.
- the additive thickeners can be prepared by emulsion polymerization.
- the associative thickeners are suitable for use in detergents and cleaners.
- Liquid dispersion polymer (LDP) compositions are disclosed in WO 2005/097834. These LDP compositions comprise a hydrophilic, water-soluble or swellable polymer having a neutralization level of about 25 to about 100%, a non-aqueous carrier phase, and an oil-in-water surfactant.
- the hydrophilic, water-soluble or swellable polymer is preferably obtained by polymerization, for example of acrylic acid or methacrylic acid.
- the LDP dispersions are suitable for the preparation of microparticulate thickeners, as used for example in aqueous or organic compositions, in particular personal care or pharmaceutical formulations.
- WO 2010/078959 relates to cationic polymer thickeners consisting of a crosslinked water-swellable cationic polymer containing at least one cationic monomer and optionally nonionic or anionic monomers, the polymer comprising less than 25% of water-soluble polymer chains, based on the total weight of the polymer , Furthermore, the polymer contains a cross-linker in a concentration of 500 to 5000 ppm relative to the polymer.
- the cationic polymer is prepared by inverse emulsion polymerization.
- WO 2010/079100 discloses softener compositions containing polymers according to WO 2010/078959.
- US 2008/0312343 relates to inverse latex compositions and their use as thickener and / or emulgator, for example for the production of cosmetic or pharmaceutical formulations.
- the inverse latex compositions comprise at least 50 to 80% by weight of at least one linear, branched or cross-linked organic polymer (P), at least 5 to 10% by weight of a water-in-oil type emulsifier system, 5 to 45 Wt .-% of at least one oil and up to 5% water.
- the polymer P comprises neutral monomers and optionally cationic or anionic monomers.
- the inverse latex composition may optionally comprise up to 5% by weight of an oil-in-water type emulsifier system.
- the inverse latex compositions can be prepared by inverse emulsion polymerization.
- EP-A 172 025 relates to a dispersion in a continuous liquid phase of a polymer which is formed by polymerization of an ethylenically unsaturated monomer containing a hydrophobic group of at least 8 carbon atoms and a copolymerizable ethylenically unsaturated monomer.
- the dispersion is stable, substantially anhydrous and contains at least 40% by weight of polymer.
- anionic monomers may be used as the copolymerizable, ethylenically unsaturated monomer.
- the polymerization can be carried out as an inverse emulsion polymerization.
- EP-A 172 724 relates to polymers prepared by copolymerizing a) an ethylenically unsaturated monomer containing a hydrophobic group having at least 8 carbon atoms and b) water-soluble ethylenically unsaturated monomers. All monomers are soluble in water as a mixture and the polymer is prepared by inverse emulsion polymerization. The polymer particles have a dry size of ⁇ 4 m.
- Monomer component b) may be anionic monomers such as acrylic acid in the form of the free acid or as a water-soluble salt and nonionic monomers such as acrylamide are used.
- EP-A 172 723 relates to a process for flocculating a suspension using a water-soluble, substantially linear polymer having a "one-point intrinsic viscosity" of> 3.
- the polymer is a copolymer of two or more ethylenically unsaturated monomers at least 0.5% by weight of a monomer containing hydrophobic groups
- the polymer may also be a cationic polymer.
- the object underlying the present invention is to provide new thickeners.
- the thickeners according to the invention are distinguished by the fact that they have advantageous properties with regard to deposition, shear thinning, stabilization and / or viscosity (thickening).
- Deposition is understood to mean the deposition of the active ingredients of, for example, a fabric softener on a fiber during a washing process. When applied to the present invention this means, for example, that a thickener according to the invention containing at least one cationic polymer (active substance) is contained in a fabric conditioner and the fabric conditioner is used during or after the washing process.
- the thickeners of the invention promote this deposition of the active ingredient during or after the washing process to a considerable extent. Particularly good deposition properties can be achieved if cationic polymers based on at least one associative monomer, a cationic monomer and a nonionic monomer such as acrylamide.
- cationic polymers based on at least one associative monomer, a cationic monomer and a nonionic monomer such as acrylamide.
- it is important that the thickener or the corresponding softening agent is creamy and thick in its ground state, while it is thin when stirred.
- the improved shear thinning has a positive effect on the service life and properties of pumps during the production of the softener, promotes convenient dosing for the customer and promotes the residue-free use of the softener, especially in the washing machines which have an automatic dosing device.
- the thickeners according to the invention increase the stability of the thickener itself and that of the corresponding formulation.
- the settling or creaming of particles is effectively prevented, regardless of whether they are on the order of nanometers, microns or millimeters. This contributes to the advantageous yield point of the thickener according to the invention.
- they have the advantage that the redispersion and thickening that may be required are very snappy! is reached.
- Thickeners according to the invention in which a mixture of at least two activators are contained, wherein at least one activator has a high HLB value and at least one activator a low HLB value, are associated with an additional advantage.
- the combination of such an activator mixture with cationic polymers containing at least one ethylenically unsaturated associative monomer component leads to spontaneous phase inversions (within seconds) upon dilution of a thickener with water without requiring additional energy input, for example in the form of agitation is.
- the thickeners according to the invention are prepared by inverse emulsion polymerization in which the temperature is kept constant at at least 40 ° C., a good uniform distribution of the associative monomer building blocks in the cationic polymer can be observed. This is particularly advantageous for small amounts of, for example, from 0.1 to 1% by weight of associative monomers with regard to the overall rheological properties mentioned above, such as thickening, shear thinning, stabilization and washing and rinsing effects.
- Embodiments of the present invention in which the cationic polymers contained in the thickener are made using little or no crosslinker are also associated with advantages. Due to the higher (in water) soluble portions of the polymer, redeposition during a wash is reduced.
- the object to be washed even after repeated washing processes, has pure fibers which are effectively freed from dirt particles, so that no graying is found. There is no or very little adhesion or redistribution of dirt particles / polymers observed on the washed items.
- the thickeners according to the invention in which the cationic polymer is obtained by inverse emulsion polymerization at constant temperature, is evident in surfactant-containing formulations, especially in acidic formulations containing surfactants, because in these formulations a high thickening power and / or a pronounced shear thinning are already at low thickener concentrations ( ⁇ 1 % By weight).
- C 1 -C 30 -alkyl for example as defined below for the radical R 4 in formula (II), mean that this substituent (radical) is an alkyl radical having a carbon atom number of 1 to 30.
- the alkyl radical can be both linear and branched and optionally cyclic.
- Alkyl radicals which have both a cyclic and a linear component are also covered by this definition. The same applies to other alkyl radicals, for example a C-C 4 -alkyl radical or a Cie-C 22 -alkyl radical.
- the alkyl radicals may also be monosubstituted or polysubstituted by functional groups such as amino, quaternary ammonium, hydroxy, halogen, aryl or heteroaryl. Unless stated otherwise, the alkyl radicals preferably have no functional groups as substituents. Examples of alkyl radicals are methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, 2-ethylhexyl, tertiary-butyl (tert-Bu / t-Bu), cyclohexyl, octyl, stearyl or behenyl.
- functional groups such as amino, quaternary ammonium, hydroxy, halogen, aryl or heteroaryl.
- the alkyl radicals preferably have no functional groups as substituents. Examples of alkyl radicals are methyl, ethyl, n-propyl, isopropyl,
- the thickener according to the invention contains as component i) at least one cationic polymer.
- the cationic polymer can be prepared by polymerization of the following components a) and b) and optionally c) and d).
- Component a) is at least one water-soluble, ethylenically unsaturated monomer comprising at least one cationic monomer, optionally at least one anionic monomer and / or optionally at least one nonionic monomer.
- ionic monomer used.
- Cationic monomers such as such, optionally present anionic monomers as such and optionally present nonionic monomers such as are known in the art.
- the cationic monomer according to component a) is selected from a compound according to formula (II)
- R 2 is H or methyl
- R 3 is C 1 -C 4 -alkylene
- R 4 , R 5 and R 6 independently of one another are H or C - C 30 -alkyl
- X is -O- or -NH-
- Y is Cl; Br; I; Hydrogensuiphat or methosulfate is.
- Particularly preferred cationic monomers are
- TMAEC Trimethylammoniumethyl acrylate chloride
- TMAEC Trimethylammonium ethyl methacrylate chloride
- DMAEMA Trimethylammonium ethyl methacrylate chloride
- R i and R 2 be H or
- Ri is H and R 2 is CH 3.
- the anionic monomer optionally contained in component a) is preferably selected from acrylic acid, methacryic acid, itaconic acid, maleic acid or a salt thereof, in particular the anionic monomer is sodium acrylate. If component a) comprises at least one anionic monomer, this is preferably present (relative to component a) to 0.5 to 20% by weight. Optionally, component a) may comprise at least one nonionic monomer. Besides the nitrogen-containing monomers described below, such as the compounds of the formula (III), esters of the anionic monomers described above are also suitable as nonionic monomers.
- nonionic monomers are preferably the methyl or ethyl esters of acrylic or methacrylic acid, such as ethyl acrylate or methyl acrylate. Further preferred are the corresponding dimethylamino-substituted esters, such as dimethylaminoethyl (meth) acrylate.
- the nonionic monomer according to component a) is selected from N-vinylpyrrolidone, N-vinylimidazole or a compound according to the formula (II!)
- R 7 is H or C 1 -C 4 -alkyl
- R 8 is H or methyl
- R 9 and R 10 are independently H or C 30 alkyl.
- the nonionic monomer is acrylamide, methacrylamide or dialkylaminoacrylamide. If component a) comprises at least one nonionic monomer, this is preferably present at from 0.5 to 70% by weight.
- component a) in the cationic polymer, comprises from 30 to 99.5% by weight of at least one cationic monomer and from 0.5 to 70% by weight of at least one nonionic monomer. In a further preferred embodiment of the present invention, component a) comprises 100% by weight of at least one cationic monomer.
- At least one ethylenically unsaturated associative monomer is used for the preparation of the cationic polymer in the polymerization.
- Associative monomers as such are known to those skilled in the art. Suitable associative monomers are described, for example, in WO 2009/019225. Associative monomers are also referred to as surfactant monomers.
- the ethylenically unsaturated associative monomer according to component b) is preferably selected from a compound according to formula (I)
- R is C 6 - C 50 - alkyl, preferably C s - C 30 - alkyl, in particular C 16 - C 22 - alkyl,
- R ' is H or-C 4 -alkyl, preferably H
- n is an integer from 0 to 100, preferably from 3 to 50, in particular 25.
- R is C 16 -C 22 -alkyl
- n 25.
- the radical R can also be present in the compounds of the formula (I) as a mixture of radicals having different chain lengths, such as C 16 and C 18 .
- An example of this is C 16 -C 1a -fatty alcohol (ethylene glycol) 25 -ethermethacrylat, where both C 6 - and C 8 - Feüalkoholreste (in non-negligible amounts) as a mixture.
- the respective radical R is not present as a mixture but as C 22 or C 6 chain. Other chain lengths occur only in the form of impurities.
- the number "25" in these compounds corresponds to the formula (I) for the size of the variable n.
- the crosslinker when the cationic polymer is prepared by polymerization, optionally at least one crosslinker may be present as component c).
- Suitable crosslinkers are known to the person skilled in the art.
- the crosslinker according to component c) is selected from divinylbenzene; Tetraallyl ammonium chloride; allyl acrylates; Allylmethacrylaten; Diacrylates and dimethacrylates of glycols or polyglycols; butadiene; 1, 7-octadiene, allyl acrylamides or allyl methacrylamides; bisacrylamidoacetic; ⁇ , ⁇ '-Methy! En-bisacrylamide or Polyolpolyallylethern such as polyallylsucrose or pentaerythritol triallyl ether.
- dialkyldimethylammonium chloride also suitable as a preferred crosslinker is dialkyldimethylammonium chloride.
- At least one chain transfer agent can be used in the preparation of the cationic polymer by polymerization as component d).
- Suitable chain transfer agents are known to the person skilled in the art.
- Preferred chain transfer agents measured component d) are selected from mercaptan, lactic acid, formic acid, isopropanol or hypophosphites.
- Suitable polymerization processes for the preparation of the cationic polymer or of the thickener according to the invention comprising at least one cationic polymer and any additives or auxiliaries optionally used in the polymerization or the thickener production process are further defined below in the text.
- the thickener according to the invention preferably contains at least one cationic polymer which can be prepared by polymerization of a) from 20 to 99.99% by weight, preferably from 95 to 99.95% by weight (based on the polymer), of at least one water-soluble ethylenic compound unsaturated monomers comprising at least one cationic monomer and optionally at least one anionic monomer, and / or at least one nonionic monomer,
- the water-soluble moieties of the cationic polymer are greater than 25 weight percent (based on the total weight of the cationic polymer), especially when little or no crosslinker is used in addition to the associative monomer.
- the solubility of the cationic polymer is determined by methods known to the person skilled in the art, with a defined amount of water being added to the cationic polymer comprising the thickener according to the invention (see, for example, EP-A 343 840 or preferably the determination method of the sedimentation coefficient in the dimension Svedberg ( sved) according to P. Schuck, Size distribution analysis of macromolecules by sedimentation velocity ultracentrifugation and lamb equation modeling, Biophysical Journal 78, (3) (2000), 1606-1619).
- the proportion of crosslinker (component c) used in the polymerization of the cationic polymer is preferably ⁇ 1% by weight (based on the total amount of components a) to d)). With particular preference, no crosslinker is used in the polymerization of the cationic polymer.
- the thickener according to the invention also contains as components ii) at least one activator. Activators as such are known in principle to the person skilled in the art.
- Suitable activators are preferably surfactants, for example anionic, nonionic, cationic and / or amphoteric surfactants, which are disclosed, for example, in WO 2009/019225.
- anionic and / or nonionic surfactants are used.
- fatty alcohol alkoxylates are used as nonionic surfactants.
- Fatty alcohol alkoxylates are also referred to as polyalkylene glycol ethers.
- Preferred fatty alcohol alkoxylates are aikoxylATOR, advantageously ethoxylated, especially primary alcohols having preferably 8 to 18 carbon atoms and an average of 1 to 12 mol Ethyienoxid (EO) per Mo) used alcohol in which the alcohol radical linear or branched, preferably methyl branched in the 2-position may contain or linear and methyl-branched radicals in the mixture, as they are usually present in Oxoalkoholresten.
- EO Ethyienoxid
- alkohotethoxyiates with linear radicals of alcohols of native or industrial origin having 12 to 18 carbon atoms, for example from coconut, palm, tallow or Oleylatkohol - or mixtures, such as derived from castor oil - and an average of 2 to 8 EO per mole of alcohol preferred.
- Examples of preferred ethoxylated alcohols include C 2 -C 14 -alcohols with 3 EO, 4 EO or 7 EO, C 9 -C 1 alcohol with 7 EO, C 13 -C 15 alcohols with 3 EO, 5 EO, 7 EO or 8 EO, C 12 -C 18 alcohols with 3 EO, 5 EO or 7 EO and mixtures thereof, such as mixtures of C 2 -C 14 alcohol with 3 EO and C 12 -C 18 alcohol with 7 EO.
- the degrees of ethoxylation given represent statistical mean values which, for a specific product, may be an integer or a fractional number.
- Preferred alcohol ethoxylates have a narrow homolog distribution (narrow range 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. It is possible to use Bfockcopolymere with EO-PO block units or PO-EO block units, but also EO-PO-EO copolymers or PO-EO-PO copolymers. It is of course also possible to use mixed alkoxylated nonionic surfactants ("nonionic surfactants”) in which EO and PO units are not randomly distributed but randomly distributed Such products are obtainable by simultaneous action of ethylene oxide and propylene oxide on fatty alcohols.
- Aikylglykostde or alkyl polyglycosides can be used.
- Aikylglykostde or alkylpolyglycosides the skilled worker generally understands compounds which are composed of at least one Aikyl- fragment and at least one sugar or Polyzuckerfragment.
- the alkyl fragments are preferably derived from fatty alcohols having a carbon atom number of 12 to 22 and the sugar fragments preferably from glucose, sucrose or sorbitan.
- R 1 0 ⁇ G) x (1) can be used, wherein R 1 is a primary straight-chain or methyl-branched, in particular 2-methyl-branched aliphatic radical having 8 to 22, preferably 12 to 18 carbon atoms and G for a glycoside unit with 5 or 6 carbon atoms, preferably glucose.
- the degree of oligomerization x which indicates the distribution of monoglycosides and oligoglycosides, is any number between 1 and 10; preferably x is 1, 2 to 1, 4.
- nonionic surfactants used either as the sole nonionic surfactant or in combination with other nonionic surfactants are alkoxylated, preferably ethoxylated or ethoxylated and propoxylated fatty acid alkyl esters, preferably having from 1 to 4 carbon atoms in the alkyl chain, especially fatty acid methyl esters as they are for example, in Japanese Patent Application JP 58/217598, or which are preferably prepared according to the method described in International Patent Application WO-A-90/3533.
- Nonionic surfactants of the amine oxide type for example N-cocoalkyl-N, N-dimethylamine oxide and N-tallowalkyl-N, N-dihydroxyethylamine oxide, and the fatty acid alkanolamides may also be suitable.
- the amount of these nonionic surfactants is preferably not more than that of the ethoxylated fatty alcohols, in particular not more than half thereof.
- surfactants are polyhydroxy fatty acid amides of the formula (2),
- R is hydrogen, an alkyl or hydroxyalkyl radical having 1 to 4 carbon atoms
- [Z] is a linear or branched polyhydroxyalkyl radical having 3 to 10 carbon atoms and 3 to 10 hydroxyl groups.
- the polyhydroxy fatty acid amides are known substances which can usually be obtained by reductive amination of a reducing sugar with ammonia, an alkylamine or an alkanolamine and subsequent acylation with a fatty acid, a fatty acid alkyl ester or a fatty acid chloride.
- the group of polyhydroxy fatty acid amides also includes compounds of the formula (3)
- R 4 is a linear or branched alkyl or alkenyl radical having 7 to 12 carbon atoms
- R 6 is a linear, branched or cyclic alkylene radical having 2 to 8 carbon atoms or an aryl radical having 6 to 8 carbon atoms
- R 6 is a linear, branched or is cyclic alkyl radical or an aryl radical or an oxyalkyl radical having 1 to 8 carbon atoms, preference being given to CC-alkyl or phenyl radicals
- [ ⁇ is a linear polyhydroxyalkyl radical whose alkyl chain is substituted by at least two hydroxyl groups, or alkoxylated, preferably ethoxylated or propoxylated derivatives of this radical.
- [Z] 1 is preferably obtained by reductive amination of a sugar, for example glucose, fructose, maltose, lactose, galactose, anose or xylose.
- a sugar for example glucose, fructose, maltose, lactose, galactose, anose or xylose.
- the N-alkoxy or N-aryloxy sub- Substituted compounds can then be converted, for example, according to WO-A-95/07331, by reaction with fatty acid methyl esters in the presence of an alkoxide as a catalyst into the desired polyhydroxy fatty acid amides.
- Suitable anionic surfactants (“anionic surfactants") are, for example, those of the sulfonate and sulfates type.
- alkylbenzosulfonates preferably C 9 -C 3 -alkyl benzene sulfonates, or olefin sulfonates, ie mixtures of alkene and alkane sulfonates Hydroxyalkanesulfonaten and disulfonates, as obtained for example from C 2 -C 8 monoolefins having terminal or internal double bond by sulfonating with gaseous sulfur trioxide and subsequent alkaline or acidic hydrolysis of the Suffon ists occur, Also suitable are alkanesulfonates, preferably secondary alkanesulfonates, the For example, from C 12 -C 8 -alkanes can be obtained by sulfochlorination or sulfoxidation with subsequent hydrolysis or neutralization .Also, the esters of ⁇ -sulfo fatty acids (ester sulfon
- sulfated fatty acid glycerol esters are to be understood as meaning the mono-, di- and triesters and mixtures thereof, as obtained in the preparation by esterification of a monoglycerol with 1 to 3 mol fatty acid or in the transesterification of triglycerides with 0.3 to 2 mol glycerol become.
- Preferred sulfated fatty acid glycerol esters are the sulfonation products of saturated fatty acids having 6 to 22 carbon atoms, for example caproic acid, caprylic acid, capric acid, myristic acid, lauric acid, palmitic acid, stearic acid or behenic acid.
- Suitable anionic surfactants are fatty alcohol sulfates, for example alk (en) ylsifate.
- Suitable alk (en) ylsulfates are the alkali metal salts and, in particular, the sodium salts of the sulfuric monoesters of C 1 -C 20 fatty alcohols, for example coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol or the C 10 -C 20 -oxo alcohols and those half-esters of secondary alcohols of these chain catches are preferred.
- alkyl (en) ylsulfates of the above-mentioned chain length which contain a synthetic, petrochemical-based straight-chain alkyl radical which has an analogous degradation behavior as the adequate compounds based on oleochemical raw materials.
- the C 2 -C 16 alkyl sulfates and C 12 -C 16 alkyl sulfates and C 14 -C 5 alkyl sulfates are preferred.
- 2,3-AlkyisuIfate which are prepared for example according to US Patent No. 3,234,258 or 5,075,041 and can be obtained as commercial products from Shell Oil Company under the name DAN ®, are suitable anionic surfactants.
- sulfuric acid monoesters of the straight-chain or branched C 7 -C 2 -substituted alcohols ethoxylated with 1 to 6 mol of ethylene oxide such as 2-methyl-branched C 9 -C 1 alcohols having on average 3.5 mol of ethylene oxide (EO) or C 12 - C 18 fatty alcohols with 1 to 4 EO are suitable.
- suifosuccinates or as sulfosuccinic acid esters and which are monoesters and / or diesters of sulfosuccinic acid with alcohols, preferably fatty alcohols and in particular ethoxylated fatty alcohols.
- Preferred suifosuccinates contain C 8 -C 8 fatty alcohol residues or mixtures thereof.
- Particularly preferred suifosuccinates contain a fatty alcohol residue derived from ethoxylated fatty alcohols.
- Suifosuccinates whose fatty alcohol residues are derived from ethoxylated fatty alcohols with a narrower homolog distribution, are again particularly preferred.
- alk (en) ylsuccinic acid having preferably 8 to 18 carbon atoms in the alk (en) yl chain or salts thereof.
- alkylcarboxylates for example the sodium salts of saturated or unsaturated fatty acids, where the alkyl radical of the alkylcarboxylate is preferably linear.
- the activator is preferably selected from fatty alcohol alkoxylates, alkyl glycosides, alkyl carboxylates, alkyl benzene sulfonates, se-. secondary alkanesulfonates and fatty alcohol sulfates, more preferably selected from fatty acid haloalkoxylates.
- a preferred fatty alcohol safcoxylate is C 6 -C 17 (secondary) poly (3-6) ethoxylate.
- the actuator which has a (relatively) high HLB value (hydrophilic-lipophilic balance value).
- HLB value hydrophilic-lipophilic balance value
- the actuator has an HLB value of 7 to 18, more preferably 8 to 15, and most preferably 9 to 13.
- Activators with a high HLB value are preferably i) fatty alcohol ethoxylates of secondary alcohols or mixtures of alcohols having 12 to 18 carbon atoms and ethylene oxide or propylene oxide and ii) alkyl glycosides of sucrose and C 8 to C 22 fatty alcohols.
- Examples of such activators are the commercially available Synperonic 87K from Croda GmbH, Berlinpfad-Süd 33, 41334 Nettetal, Germany; Croduret 40 or other ethoxylated hydrogenated castor oils (castor oils) such as Etocas 40 or Crodesta F1 0, all from Croda.
- the high HLB activator preferably has an HLB of> 12 to 20, and the low HLB activator preferably has an HLB of 1 to 12.
- the high HLB activator may have Value and the activator with a low HLB value in any known to those skilled ratios to each other.
- 20 to 50% by weight of high HLB activator and 50 to 80% by weight of low HLB activator are employed in the blend. Further preferably, this ratio of high HLB activator to low HLB activator is adjusted so that the total HLB is 7 to 18, more preferably 8 to 15 and most preferably 9 to 13.
- activators are preferably used as activators with a high HLB value alkyl glycosides or Polyalkylglykoside or Polyalkyloligoethylenoxidglykosid based on sucrose or sorbitan and C 9 to C 22 - fatty alcohols such as Polyethyienglykolsorbitanmonostearat or Polyoxyethylen- sorbitanmonosiearat.
- activators are the commercially available Criliet 1, Grillet 3 or Crodesta F160, all available from Croda.
- activators with a low HLB value preference is given to using alkyl glycosides of sucrose or sorbitan and C 8 to C 22 fatty alcohols or fatty acids, such as sorbitan laurate or sorbitan stearate.
- alkyl glycosides of sucrose or sorbitan and C 8 to C 22 fatty alcohols or fatty acids such as sorbitan laurate or sorbitan stearate.
- Examples of such activators are the commercially available Crill 1, Crill 3 or Crodesta F10 from Croda.
- the ratio of activator to cationic polymer is> 10: 100 (% by weight /% by weight), preferably 10.5 to 50: 100 [% by weight /% by weight] [more preferably 1] 5 to 20: 100 [wt% / wt%].
- Suitable further components may be, for example, oils and solvents be.
- the cationic polymer may be dispersed in the oil phase, preferably as an inverse dispersion, water-in-oil dispersion or as dispersed anhydrous cationic polymer in oil.
- Another object of the present invention is a process for the preparation of the thickener according to the invention.
- Thickener production processes as such and processes for the preparation of a polymer are known to the person skilled in the art.
- the polymer is preferably obtained by an emulsion polymerization, in particular by an inverse emulsion polymerization.
- the polymer is first prepared and following the polymerization, preferably by inverse emulsion polymerization, the activator is added to obtain the thickener.
- the cationic polymer can be prepared in various ways, preferably by emulsion polymerization, in particular by inverse emulsion polymerization.
- emulsion polymerization By inverse emulsion polymerization, the person skilled in the art generally understands polymerization processes as defined below:
- the hydrophilic monomers are dispersed in a hydrophobic oil phase. The polymerization takes place directly in this hydrophilic monomer particle by addition of initiator.
- At least a portion of water and at least a portion of the low-boiling components of the oily phase are distilled off, in particular by means of LDP technology (liquid dispersion polymer technology).
- LDP technology liquid dispersion polymer technology
- emulsion polymerization such as for emulsion polymerization in water, which then constitutes the continuous phase, and in particular also for inverse emulsion polymerization, in which the hydrophobic oil phase is the continuous phase
- a suitable polymerization initiator is used for polymerization. Redox initiators and / or thermally activatable radar polymerization initiators are preferred.
- Suitable thermally activatable radical initiators or the oxidative component of the redox initiator pair are especially those of the peroxy and azo types. These include, among others, hydrogen peroxide, peracetic acid, t-butyl hydroperoxide, di-t-butyl peroxide, dibenzoyl peroxide, benzoic hydroperoxide, 2,4-dichlorobenzoyl peroxide, 2,5-dimethyl-2,5-bis (hydroperoxy) hexane, perbenzoic acid, t-butyl peroxide.
- the initiator is used in an amount sufficient to initiate the polymerization reaction.
- the initiator is usually used in an amount of about 0.01 to 3 wt .-%, based on the total weight of the monomers used.
- the amount of initiator is preferably about 0.05 to 2 wt .-% and in particular 0.1 to 1 wt .-%, based on the total weight of the monomers used.
- the emulsion polymerization is usually carried out at 0 ° C to 100 ° C. It can be carried out both as a batch process and in the form of a feed process.
- the feed mode at least part of the polymerization initiator and, if appropriate, part of the monomers are heated to the polymerization temperature and then the remainder of the polymerization mixture, usually via a plurality of separate feeds, one or more of which contains the monomers in pure or emulsified form, continuously or stepwise while maintaining the polymerization.
- the monomer feed takes place in the form of a monomer emulsion. Parallel to the monomer feed, further polymerization initiator can be added.
- the total amount of initiator is given, i. H. no additional initiator feed takes place parallel to the monomer feed.
- the thermally activatable radical polymerization initiator is completely introduced. and allows the monomer mixture, preferably in the form of a monomer emulsion, to run.
- the template is brought to the activation temperature of the thermally activatable radical polymerization initiator or a higher temperature.
- the activation temperature is considered to be the temperature at which at least half of the initiator has decomposed after one hour.
- the canonical polymer is obtained by polymerization of a monomer mixture in the presence of a redox initiator system.
- a redox initiator system comprises at least one oxidizer component and at least one reducing agent component, wherein heavy metal ions are preferably present in addition as catalyst in the reaction medium, for example cerium, manganese or iron (II) salts.
- Suitable oxidizing agent components are peroxides and / or hydroperoxides such as hydrogen peroxide, tert-butyl hydroperoxide, cumene hydroperoxide, pinane hydroperoxide, diisopropylphenyihydroperoxide, dicyclohexyl percarbonate, dibenzoyl peroxide, dilauroyiperoxide and diacetyl peroxide. Hydrogen peroxide and tert-butyl hydroperoxide are preferred.
- Suitable reducing agent components are alkali metal sulfites, alkali metal dithionites, alkali metal hyposulfites, sodium hydrogen sulfite, Rongaiit C
- iron (II) salts such as e.g. Iron (lf) -suifate, stannous salts, e.g. Tin (II) chloride, titanium (III) salts such as titanium (II) sulfate.
- the amounts of oxidizing agent! be from 0.001 to 5.0 wt .-%, preferably from 0.005 to 1, 0 wt .-% and particularly preferably from 0.01 to 0.5 wt .-%, based on the total weight of the monomers used.
- Reducing agents are used in amounts of 0.001 to 2.0 wt .-%, preferably from 0.005 to 1, 0 wt .-% and particularly preferably from 0.01 to 0.5 wt .-%, based on the total weight of the monomers used .
- a particularly preferred redox initiator system is the system Natnumperoxodisulfat / sodium bisulfite, z. B.
- 0.001 to 5.0 wt .-% Natnumperoxodisulfat and 0.001 to 2.0 wt .-% sodium bisulfite in particular 0.005 to 1.0 wt .-% Natnumperoxodisulfat and 0.005 to 1, 0 wt .-% sodium bisulfite, particularly preferably 0 , 01 to 0.5 wt .-% Natnumperoxodisulfat and 0.01 to 0.5 wt .-% sodium bisulfite.
- Another particularly preferred redox initiator system is the system t-butyl hydroperoxide hydrogen peroxide / ascorbic acid, e.g. From 0.001 to 5.0% by weight of t-butylhydroperoxide, from 0.001 to 5.0% by weight of hydrogen peroxide and from 0.001 to 2.0% by weight of ascorbic acid, in particular from 0.005 to 1.0% by weight of t-butyfhydroperoxide , 0.005 to 1, 0 wt .-% hydrogen peroxide and 0.005 to 1, 0 wt .-% ascorbic acid, particularly preferably 0.01 to 0.5 wt .-% t-butyl hydroperoxide, 0.01 to 0.5 wt.
- the cationic polymer is prepared by inverse emulsion polymerization by first preparing an aqueous phase of the water-soluble components and an oil phase separately, followed by mixing the two phases together to obtain a water-in-oil dispersion.
- the mixture is polymerized by adding a redox initiator system, optionally thereafter a thermal initiator may be added or, if already present, thermally activated.
- a chain transfer agent for example, a chain transfer agent, a crosslinking agent, a cationic monomer and optionally a neutral monomer and the associative tivmonomer are included and optionally other components.
- Suitable further components are, for example, complexing agents for salts such as pentasodium diethyietriaminepentaacetic acid or compounds which can be used to adjust the pH, such as citric acid.
- an anionic monomer may optionally be present in the aqueous phase.
- the oil phase preferably an emuigator, a stabilizer, a high-boiling oil, a low-boiling oil and / or optionally the associative monomer are included.
- a non-ionic monomer may optionally be contained in the oil phase.
- Emulators, stabilizers, low boiling oils and high boiling oils as such are known to those skilled in the art. These compounds can be used singly or in the form of mixtures.
- Typical emulsifiers are anionic emulsifiers such. Sodium aurylsulfate, sodium tridecyl ether sulfates, dioctyl sulfosuccinate sodium salt, and sodium salts of aikylaryl polyether sulfonates; and nonionic emulsifiers such.
- Preferred emulsifiers have the following general formula:
- R-O- (CH 2 -CHR'-O) n -X wherein R is C 6 -C 30 -alkyl
- R ' is hydrogen or methyl
- X is hydrogen or SO 3 M
- M is hydrogen or an alkali metal
- n is an integer from 2 to 100 Suitable stabilizers are described, for example, in EP-A 172 025 or EP-A 172 724. Preferred stabilizers are copolymers of stearyimethacryrate and methacrylic acid.
- high-boiling oils are 2-ethylhexyl stearate and hydroheated heavy naphtha
- low-boiling oils are, for example, dearomatized aliphatic hydrocarbons or mineral oils of low viscosity.
- inverse emulsion polymerization component b) at least one ethylenically unsaturated associative monomer is added to the oil phase.
- the temperature can be kept constant or it can also increase.
- the increase in temperature can be carried out continuously or in stages.
- the temperature during polymerization may increase by 0.2 to 10 ° C per minute, preferably from 1 to 3 "C per minute
- the temperature rise is controlled by the rate of initiator addition
- the temperature output may be 0 to 30 ° C, preferably 2 to 3 ° C - se 10 to 20 ° C.
- the temperature in the inverse emulsion polymerization is kept constant (cold mode), the temperature is 0 to 30 ° C., preferably 0 to 20 ° C. in a further embodiment
- the temperature is kept constant in a higher temperature range (warm mode), and the temperature during polymerization is 40 to 150 ° C, preferably 70 to 120 ° C.
- the temperature during the inverse emulsion polymerization is kept constant, wherein the temperature is at least 40 ° C, preferably 50 to 90 ° C.
- the temperature is kept constant in the context of the present invention in a polymerization, in particular in an inverse emulsion polymerization, this means that from the beginning of the polymerization, the temperature is maintained at a constant value. Variations of +/- 5 ° C, preferably +/- 2 ° C and in particular +/- 1 ° C during the Poiymerisationsvorganges are considered as a constant temperature (based on the desired constant temperature value).
- the temperature is kept constant until the polymerization is complete, this is preferably the case after a conversion of more than 90% of the used th monomers, more preferably more than 95 wt .-% and particularly preferably at full conversion (100 wt .-%).
- the temperature can be kept constant by the resulting heat of reaction is removed by cooling.
- the start of the polymerization is normally the addition of the polymerization initiator, preferably the addition of a redox initiator system. Normally, the system is first heated to the desired temperature and maintained under stirring until the temperature is constant. Subsequently, the addition of the polymerization initiator, whereby the polymerization process is started.
- the temperature is kept constant at a value which is above the melting point of the associative monomer employed.
- Another object of the present invention are surfactant-containing acidic formulations containing at least one thickener according to the invention according to the above definitions.
- the pH of the formulation is 1 to ⁇ 7.
- Another object of the present invention are surfactant-containing alkaline formulations containing at least one thickener according to the invention according to the above definitions.
- the pH of the formulation is 7 to 13.
- further ingredients may be present which are known to the person skilled in the art.
- Suitable ingredients include one or more of builders, bleaches, bleach activators, enzymes, electrolytes, non-aqueous solvents, pH modifiers, fragrances, perfume carriers, fluorescers, dyes, hydrotropes, foam inhibitors, silicone oils, anti-redeposition agents, optical brighteners, scorch inhibitors , Anti-shrinkage agents, anti-wrinkling agents, color transfer inhibitors, antimicrobial agents, germicides, fungicides, antioxidants, corrosion inhibitors, antistatic agents, ironing agents, repellents and impregnating agents, swelling and sliding agents and UV absorbers.
- less than 1% by weight of thickener are contained in the surfactant-containing formulations, in particular in surfactant-containing acidic formulations, wherein the cationic polymer of the thickener is obtained by inverse emulsion polymerization at constant temperature is obtained.
- 0.1 to ⁇ 1 wt .-% of thickener are included in the formulations.
- Another object of the present invention is the use of a inventions to the invention surfactant acidic formulation in hair cosmetics, the hair styling, as a shampoo, as a fabric conditioner, as a conditioner, as a skin cream, as a shower gel, as a fabric conditioner for laundry, or as an acidic cleaner, preferably for the toilet or the bathroom.
- a surfactant-containing alkaline formulation as a liquid detergent or dishwashing detergent for machine or hand washing.
- a further subject matter of the present invention is the use of the thickener according to the invention as a viscosity modifier, for optimizing shear thinning, as thickening agent, for stabilizing suspended ingredients with a size in the range of nanometers to miliimeters and / or in surfactant-containing acidic or alkaline formulations.
- the following abbreviations are used in the description including the examples:
- An aqueous phase of water-soluble components is prepared by admixing the following components:
- TMAEMC quaternized dimethylaminoethyl methacrylate
- An oil phase is prepared by admixing the following components:
- the two phases are mixed in a ratio of 58.2 parts of aqueous phase to 41.8 parts of oil phase under high shear, thus producing a WasseMn-oil emulsion.
- the resulting water-in-oil emulsion is placed in a reactor equipped with nitrogen spray, stirrer and thermometer. The emulsion is purged with nitrogen to remove the oxygen and then cooled to 20 ° C.
- the polymerization is accomplished by adding a redox couple
- the redox couple is gradually added so that a temperature increase of 2 ° C / min takes place.
- a free radical initiator is added in 2 steps (the 2nd step after 45 min) ⁇ 2,2'-azobis (2-methylbutyronitrile), CAS: 3472-08-7) and the emulsion for 75 minutes kept at 85 ° C.
- Vacuum distillation removes water and low boiling components of the oil phase (Exxsol D40).
- the synthesis is carried out as in V1, with the difference that no sodium hypophosphite (5% in water) and no tetraallylammonium chloride (1% in water) are added thereto and the amount of water is increased by 12.9 g of water.
- the ratio of activator to cationic polymer is 14.0: 100 [wt% / wt%].
- An aqueous phase of water-soluble components is prepared by admixing the following components:
- TMAEMC 75% in water Dimethyl ethyl-amino-methacrylate
- An oil phase is prepared by admixing the following components:
- the polymerization is achieved by adding a redox couple consisting of 13 g (0.05 pphm) of sodium metabisulfite (1% in deionized water) and
- the speed for adding the redox couple is 13 g in 2 hours keeping the temperature constant at 50 ° C. Thereafter, a free radical initiator (2,2'-azobis (2-methylbutyronitrile), CAS: 13472-08-7) is added in 2 steps (the 2nd step after 45 minutes) and the emulsion is held at 85 ° C for 75 minutes ,
- Vacuum distillation removes water and low boiling components of the oil phase (Exxsol D40).
- the ratio of activator to cationic polymer in the comparative examples V4 and V5 is in each case 14.0: 100 [% by weight /% by weight].
- Thickener / polymers starting from cationic monomers with associative monomer The following examples according to Table 2 are prepared as Comparative Example C3, taking into account the specified changes in the monomer composition and in the temperature control.
- the associative monomer C16E025MAc is added to the oiphase.
- the hand-iron product Plex 6954 O is used which contains 60% by weight of associative monomer and, as solvent, water and MAA in the ratio of about 1: 1.
- the weights in Table 2 refer to the amount of associative monomer without solvent.
- the ratio of activator to cationic polymer is in each case according to Table 1 in each case 14.0: 00 [wt .-% / wt .-%], unless otherwise stated, the respective thickener (dispersion) 50% polymer solids content.
- the examples 2.1 to 2.5 listed in Table 3 are prepared analogously to Example 1.5 from Table 2, the amount of activator added after the distillation being varied according to the activator concentration (A%) in the thickener given in Table 3 (all data in wt. -% based on the amount of cationic polymer in the thickener). All thickeners (dispersion) thus prepared have 50% Polymerfeststoffanteii. The thickeners are then added to the water with stirring. These aqueous formulations obtained contain 1% by weight of thickener to 99% by weight of water, ie 0.5% by weight of polymer to 99.5% by weight of water, cf.
- Aqueous formulations based on thickeners with 6% activator (Example 2.2) have only reached a viscosity in the lower three-digit mPas range after 5 minutes. In contrast, the corresponding value for example 2.3 (14.0% activator) is already in the middle four-digit mPas range after 5 minutes.
- Example 3
- the fabric softener has a pH of 2.7 and contains 5.5% by weight of methyltris (hydroxyethyl) ammonium di-tallow fatty acid ester methosulphate (partially hydrogenated) and 94.5% by weight of deionized water.
- Softening rheology comprising thickener / polymers starting from cationic monomers: BeiFormuVerVer- ViskoViskosiViskosiVisksimulation thicker thick- ness at the same time it is used
- the relative percentage shear thinning in the thickeners according to the invention is much more pronounced than in the comparative examples without associative monomer (such as 3.1, 3.3 and 3.4).
- the relative percentage shear thinning in the thickeners according to the invention is much more pronounced than in the comparative examples without associative monomer (as in 4.1).
- aqueous formulations are prepared as described above under Example 2. Brookfield Viscosity is measured one day after preparation. The results are summarized in Table 6.
- the examples 2.1 to 2.5 in aqueous formulation described in Table 3 are carried out analogously to Examples 7.1-7.5 in softener formulations with softeners (W3) according to Example 3: Again, the activator concentration (A%) in the thickener is varied, wherein the amount of activator added after the distillation is varied according to the activator concentration (A%) in the thickener given in Table 9 (all data in% by weight based on the amount of cationic polymer in the thickener). All thickeners (dispersion) thus produced have 50% polymer solids content. These thickeners are added with stirring to the softener W3.
- the resulting thickened Weichspüier formulations contain 1 wt .-% thickener to 99 wt .-% fabric softener W3, ie 0.5 wt .-% polymer to 99.5 wt .-% fabric softener W3.
- the TMAEMC copolymers made with 800 pphm and more crosslinkers contain less than 24% soluble portions.
- the TMAEMC copolymers prepared without crosslinker and optionally with less than 1 pphm associative monomers contain over 99% soluble portions, acrylamide as a comonomer in the TMAEMC copolymer reduces the solubility of the copolymer.
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Abstract
Description
Claims
Priority Applications (10)
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KR1020147012544A KR101943813B1 (ko) | 2011-11-11 | 2012-11-07 | 하나 이상의 양이온성 중합체를 함유하는 증점제 |
MX2014004891A MX361676B (es) | 2011-11-11 | 2012-11-07 | Espesante que contiene por lo menos un polimero cationico. |
BR112014011164A BR112014011164A2 (pt) | 2011-11-11 | 2012-11-07 | espessante, processo para preparar um espessante, formulação ácida, usos de uma formulação ácida, de uma formulação alcalina e de um espessante, e, formulação alcalina |
ES12781117.2T ES2598078T3 (es) | 2011-11-11 | 2012-11-07 | Espesante que contiene al menos un polímero catiónico |
EP12781117.2A EP2776480B1 (de) | 2011-11-11 | 2012-11-07 | Verdicker enthaltend mindestens ein kationisches polymer |
RU2014123617A RU2632660C2 (ru) | 2011-11-11 | 2012-11-07 | Загуститель, содержащий по меньшей мере один катионный полимер |
JP2014540433A JP5980940B2 (ja) | 2011-11-11 | 2012-11-07 | 少なくとも1種のカチオン性ポリマーを含む増粘剤 |
CA2851208A CA2851208A1 (en) | 2011-11-11 | 2012-11-07 | Thickener comprising at least one cationic polymer |
CN201280054922.XA CN103930456B (zh) | 2011-11-11 | 2012-11-07 | 包含至少一种阳离子聚合物的增稠剂 |
IN3235CHN2014 IN2014CN03235A (de) | 2011-11-11 | 2012-11-07 |
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EP (1) | EP2776480B1 (de) |
JP (1) | JP5980940B2 (de) |
KR (1) | KR101943813B1 (de) |
CN (1) | CN103930456B (de) |
BR (1) | BR112014011164A2 (de) |
CA (1) | CA2851208A1 (de) |
ES (1) | ES2598078T3 (de) |
IN (1) | IN2014CN03235A (de) |
MX (1) | MX361676B (de) |
PH (1) | PH12014500895A1 (de) |
PL (1) | PL2776480T3 (de) |
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Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016014798A1 (en) * | 2014-07-23 | 2016-01-28 | The Procter & Gamble Company | Fabric and/or home care compositions |
WO2019016334A1 (en) | 2017-07-21 | 2019-01-24 | Basf Se | PROCESS FOR OBTAINING A POLYMER BASED ON ANIONIC OR NON-IONIC MONOMERS HAVING AT LEAST BIMODAL MOLECULAR WEIGHT DISTRIBUTION |
WO2019016336A1 (en) | 2017-07-21 | 2019-01-24 | Basf Se | POLYMER BASED ON ANIONIC OR NON-IONIC MONOMERS HAVING AT LEAST BIMODAL DISTRIBUTION OF MOLECULAR WEIGHTS |
JP2019505658A (ja) * | 2016-01-25 | 2019-02-28 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 少なくとも二峰性の分子量分布を有するカチオン性ポリマー |
US10266792B2 (en) | 2014-07-23 | 2019-04-23 | The Procter & Gamble Company | Treatment compositions |
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US11261402B2 (en) | 2016-01-25 | 2022-03-01 | The Procter & Gamble Company | Treatment compositions |
US10920001B2 (en) | 2016-01-25 | 2021-02-16 | Basf Se | Process for obtaining a cationic polymer with an at least bimodal molecular weight distribution |
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US12144711B2 (en) | 2023-04-27 | 2024-11-19 | The Procter & Gamble Company | Patterned apertured webs |
Also Published As
Publication number | Publication date |
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ES2598078T3 (es) | 2017-01-25 |
PL2776480T3 (pl) | 2017-01-31 |
CN103930456B (zh) | 2016-05-18 |
BR112014011164A2 (pt) | 2017-05-09 |
EP2776480A1 (de) | 2014-09-17 |
JP5980940B2 (ja) | 2016-08-31 |
EP2776480B1 (de) | 2016-07-20 |
KR101943813B1 (ko) | 2019-01-30 |
IN2014CN03235A (de) | 2015-07-03 |
JP2014534320A (ja) | 2014-12-18 |
CN103930456A (zh) | 2014-07-16 |
RU2632660C2 (ru) | 2017-10-09 |
KR20140088560A (ko) | 2014-07-10 |
MX2014004891A (es) | 2014-07-09 |
PH12014500895A1 (en) | 2014-02-06 |
CA2851208A1 (en) | 2013-05-16 |
MX361676B (es) | 2018-12-13 |
RU2014123617A (ru) | 2015-12-20 |
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