EP1339766A1 - Produits cosmetiques, dermatologiques et pharmaceutiques depourvus de tensio-actifs - Google Patents

Produits cosmetiques, dermatologiques et pharmaceutiques depourvus de tensio-actifs

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Publication number
EP1339766A1
EP1339766A1 EP01998570A EP01998570A EP1339766A1 EP 1339766 A1 EP1339766 A1 EP 1339766A1 EP 01998570 A EP01998570 A EP 01998570A EP 01998570 A EP01998570 A EP 01998570A EP 1339766 A1 EP1339766 A1 EP 1339766A1
Authority
EP
European Patent Office
Prior art keywords
acid
composition according
optionally
vinyl
copolymers
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Withdrawn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
EP01998570A
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German (de)
English (en)
Inventor
Matthias LÖFFLER
Roman MORSCHHÄUSER
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.)
Clariant Produkte Deutschland GmbH
Original Assignee
Clariant GmbH
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 Clariant GmbH filed Critical Clariant GmbH
Priority to EP10000384.7A priority Critical patent/EP2186835B1/fr
Publication of EP1339766A1 publication Critical patent/EP1339766A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/89—Polysiloxanes
    • A61K8/895—Polysiloxanes containing silicon bound to unsaturated aliphatic groups, e.g. vinyl dimethicone
    • 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
    • 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
    • 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
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/86—Polyethers
    • 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
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/89—Polysiloxanes
    • A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
    • A61K8/894—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone modified by a polyoxyalkylene group, e.g. cetyl dimethicone copolyol
    • 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
    • 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
    • C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
    • C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
    • 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
    • C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • C08F290/06—Polymers provided for in subclass C08G
    • 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
    • C08F291/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/003—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
    • 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
    • A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
    • A61K2800/30—Characterized by the absence of a particular group of ingredients
    • A61K2800/33—Free of surfactant
    • 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
    • A61K2800/54—Polymers characterized by specific structures/properties

Definitions

  • Cosmetic, dermatological and pharmaceutical agents free from surfactants.
  • the present invention relates to surfactant-free cosmetic, pharmaceutical and dermatological compositions containing ammuniform copolymers based on acryloyldimethyltauric acid.
  • Compositions are mostly in the form of oil-in-water emulsions (ie a system consisting of a continuous aqueous phase and a discontinuous dispersed oil phase) or in the form of water-in-oil emulsions (ie a system consisting of a continuous fatty phase and a discontinuous dispersed aqueous phase).
  • the water-in-oil emulsions thus comprise a continuous oil phase and allow a grease film to form on the surface of the skin, which avoids transepidermal water loss and protects the skin from external aggressions.
  • These emulsions are particularly suitable for protecting and enriching the skin, and in particular for treating dry skin.
  • the oil-in-water emulsions in turn give the skin a soft, less greasy and lighter feel when applied than the water-in-oil emulsions.
  • the emulsions are generally stabilized by incorporating emulsifying surfactants of the oil-in-water type (O / W) or of the water-in-oil type (W / O) which, thanks to their amphiphilic structure, adhere to the oil / water Interface and thus stabilize the dispersed droplets. It is generally necessary to add these surfactants in substantial amounts - up to 10% by weight over the total weight of the emulsion - in order to obtain adequate stability.
  • O / W oil-in-water type
  • W / O water-in-oil type
  • amphiphilic surfactants used in large quantities, can be harmful to the skin, eyes and / or scalp of the user Trigger irritant effect.
  • their use in high concentrations can lead to cosmetically undesirable effects, such as a rough, sticky and / or tough feeling, and can result in a compact and heavy substance.
  • the surfactants must be selected depending on the polarity of the oils and are therefore only compatible with a limited number of oils, so that the variety of formulations is limited.
  • the formulators of emulsions are therefore constantly striving to reduce the surfactant content in order to improve the compatibility of the emulsions with the skin, the eyes and / or the scalp and to optimize their cosmetic properties.
  • the greatest difficulty they encounter is the stability of the emulsions.
  • Emulsions without surface-active substances generally show inadequate stabilization of the water-insoluble oil components, so that coagulation and separation of the oil phase lead to macroscopically recognizable destruction of the emulsion.
  • Poly (meth) acrylates have found access to polymers which can have both thickening and emulsifying / dispersing properties.
  • Examples of commercial hydrophobically modified poly (meth) acrylates ® Pemulen TR-1 and TR-2 from BF-Goodrich and ® Aculyn 22 and ® Aculyn 28 from Rohm and Haas.
  • hydrophobically modified polymers are all based on (meth) acrylic acid, they also have the disadvantages of poly (meth) acrylates.
  • a major disadvantage of thickeners based on poly (meth) acrylic acid is the strong pH dependence of the thickening performance. In general, viscosity is only built up when the pH of the formulation is set above pH 6.0 and the poly (meth) acrylic acid is therefore in neutralized form.
  • novel thickeners based on crosslinked and neutralized acryloyldimethyltaurates were introduced onto the market (EP-B-0 815 828, EP-B-0 815 844 and EP-B-0 815 845).
  • acryloyldimethyltaurate-based thickener systems show excellent properties in pH ranges below pH 6.0, ie in a pH range in which it is no longer possible to work with conventional poly (meth) acrylate thickeners.
  • the invention therefore relates to surfactant-free cosmetic, dermatological and pharmaceutical compositions containing at least one copolymer, obtainable by radical copolymerization of
  • Component selected from one of groups D) to G) is copolymerized.
  • the copolymers according to the invention preferably have a molecular weight of 10 3 g / mol to 10 9 g / mol, particularly preferably 10 4 to 10 7 g / mol, particularly preferably 5 * 10 4 to 5 * 10 6 g / mol.
  • the Acryloyldimethyltauraten can be the inorganic or organic salts of Acryloyldimethyltaurinklare (Acrylamidopropyl-2-methyl-2-sulfonic acid).
  • the Li + , Na + , K + , Mg ++ , Ca ++ , Al +++ and / or NH 4 + salts are preferred.
  • the monoalkylammonium, dialkylammonium, trialkylammonium and / or tetraaikylammonium salts the alkyl substituents of the amines being independently of one another (C C 22 ) alkyl radicals or (C 2 -C ⁇ 0 ) hydroxyalkyl radicals can act.
  • the degree of neutralization of acryloyldimethyltauric acid can be between 0 and 100%, a degree of neutralization of above 80% is particularly preferred.
  • the content of acryloyl-dimethyltauric acid or acryloyldimethyltaurates is at least 0.1% by weight, preferably 20 to 99.5% by weight, particularly preferably 50 to 98% by weight.
  • All olefinically unsaturated, non-cationic monomers whose reaction parameters permit copolymerization with acryloyldimethyltauric acid and / or acryloyldimethyltaurates in the respective reaction media can be used as comonomers B).
  • Preferred comonomers B) are unsaturated carboxylic acids and their anhydrides and salts, and also their esters with aliphatic, olefinic, cycloaliphatic, arylaliphatic or aromatic alcohols with a carbon number of 1 to 30.
  • Particularly preferred unsaturated carboxylic acids are acrylic acid, methacrylic acid, styrene sulfonic acid, maleic acid, fumaric acid, crotonic acid, itaconic acid and senecioic acid.
  • Preferred counterions are Li + , Na + , K + , Mg ++ , Ca ++ , Al +++ , NH 4 + , monoalkylammonium, dialkylammonium, trialkylammonium and / or tetraalkylammonium radicals
  • the alkyl substituents of the amines can independently of one another be (C 1 -C 22 ) -alkyl radicals or (C 2 -C- 0 ) -hydroxyalkyl radicals.
  • one to three times ethoxylated ammonium compounds with different degrees of ethoxylation can also be used.
  • the degree of neutralization of the carboxylic acids can be between 0 and 100%.
  • comonomers B) are open-chain N-vinylamides, preferably N-vinylformamide (VIFA), N-vinylmethylformamide, N-vinylmethylacetamide (VIMA) and N-vinylacetamide; Cyclic N-vinyl amides (N-vinyl lactams) with a ring size from 3 to 9, preferably N-vinylpyrrolidone (NVP) and N-vinylcaprolactam; Amides of acrylic and methacrylic acid, preferably acrylamide, methacrylamide, N, N-dimethyl-acrylamide, N, N-diethylacrylamide and N, N-diisopropylacrylamide; alkoxylated acrylic and methacrylamides, preferably hydroxyethyl methacrylate, hydroxymethyl methacrylamide, hydroxyethyl methacrylamide,
  • comonomers B are inorganic acids and their salts and esters.
  • Preferred acids are vinylphosphonic acid, vinylsulfonic acid, allylphosphonic acid and methallylsulfonic acid.
  • the proportion by weight of comonomers B), based on the total mass of the copolymers, can be 0 to 99.8% by weight and is preferably 0.5 to 80% by weight, particularly preferably 2 to 50% by weight.
  • Suitable comonomers C) are all olefinically unsaturated monomers with a cationic charge which are capable of reacting in the selected ones
  • reaction media with acryloyldimethyltauric acid or its salts copolymers.
  • the resulting distribution of the cationic charges over the chains can be statistical, alternating, block-like or gradient-like.
  • the cationic comonomers C) also include those which carry the cationic charge in the form of a betaine, zwitterionic or amphoteric structure.
  • Comonomers C) in the sense of the invention are also amino-functionalized precursors which are converted into their corresponding quaternary (e.g. reaction with dimethyl sulfate, methyl chloride), zwitterionic (e.g. reaction with hydrogen peroxide), betaine (e.g. reaction with chloroacetic acid) or amphoteric derivatives by polymer-analogous reactions can.
  • DMAC Diallyldimethylammonium chloride
  • MATAC [2- (methacryloyloxy) ethyl] trimethylammonium chloride
  • Acryloyloxy) ethyl] trimethylammonium chloride [2-methacrylamidoethyl] trimethylammonium chloride
  • [2- (acrylamido) ethyl] trimethylammonium chloride N-methyl-2 vinylpyridinium chloride N-methyl-4-vinylpyridinium chloride dimethylaminoethyl methacrylate, dimethylaminopropyl methacrylamide, methacryloylethyl-N-oxide and / or methacryloylethylbetaine.
  • the proportion by weight of the comonomers C), based on the total mass of the copolymers, can be 0.1 to 99.8% by weight, particularly preferably 0.5 to 30% by weight, particularly preferably 1 to 20% by weight ,
  • Suitable polymerizable, silicon-containing components D) are all at least mono-olefinically unsaturated compounds which are capable of radical copolymerization under the reaction conditions chosen in each case.
  • the distribution of the individual silicone-containing monomers across the resulting polymer chains does not necessarily have to be statistical.
  • the formation of, for example, block (also multiblock) or gradient-like structures is also within the meaning of the invention. Combinations of two or more different silicone-containing representatives are also possible.
  • the use of silicone-containing components with two or more polymerization-active groups leads to the formation of branched or cross-linked structures.
  • Preferred silicone-containing components are those of the formula (I).
  • R 1 represents a polymerizable function from the group of vinylically unsaturated compounds, which is suitable for building polymer structures by radical means.
  • a suitable chemical bridge Z is required to connect the silicone-containing polymer chain to the reactive end group R 1 .
  • Preferred bridges Z are -O-, - ((-C-C 50 ) alkylene) -, - ((C 6 -C 30 ) arylene) -, - ((C 5 -C 8 ) cycloalkylene) -, - ((-C ⁇ -C 5 o) alkenylene) -, - (polypropylene oxide) n -, - (polyethylene oxide) 0 -, - (polypropylene oxide) n (polyethylene oxide) 0 -, where n and o independently of one another represent numbers from 0 to 200 and the distribution of EO / PO units can be statistical or block-shaped.
  • bridge groupings Z are - ((C 1 -C 10 ) alkyl) - (Si (OCH 3 ) 2 ) - and - (Si (OCH 3 ) 2 ) -.
  • the polymer middle part is represented by silicone-containing repeat units.
  • the radicals R 3 , R 4 , R 5 and R 6 independently of one another are -CH 3 , -O-CH 3 , -C 6 H 5 or -OC 6 H 5 .
  • the indices w and x represent stoichiometric coefficients which, independently of one another, are 0 to 500, preferably 10 to 250.
  • the distribution of the repeating units over the chain can not only be purely statistical, but can also be block-like, alternating or gradient-like.
  • R 2 can symbolize on the one hand an aliphatic, olefinic, cycloaliphatic, arylaliphatic or aromatic (-C-C 5 o) hydrocarbon radical (linear or branched) or -OH, -NH 2 , -N (CH 3 ) 2, -R 7 or for the structural unit [-ZR 1 ].
  • R 7 stands for further Si-containing groups.
  • R 7 radicals are -O-Si (CH 3 ) 3 , -O-Si (Ph) 3 , -O-Si (O-Si (CH 3 ) 3 ) 2CH 3 ) and -O-Si (O- Si (Ph) 3 ) 2 Ph).
  • R 2 represents an element of the group [-ZR 1 ], it is a matter of difunctional monomers which can be used for crosslinking the resulting polymer structures.
  • Formula (I) describes not only vinylically functionalized, silicone-containing polymer species with a typical polymer distribution, but also defined compounds with discrete molecular weights.
  • Particularly preferred silicone-containing components are the following acrylic or methacrylic modified silicone-containing components:
  • the content of silicon-containing components can be up to 99.9% by weight, preferably 0.5 to 30% by weight, particularly preferably 1 to 20% by weight.
  • Suitable as polymerizable, fluorine-containing components E) are all at least mono-olefinically unsaturated compounds which are among the respective selected reaction conditions are capable of radical copolymerization.
  • the distribution of the individual fluorine-containing monomers across the resulting polymer chains does not necessarily have to be statistical.
  • the formation of, for example, block (also multiblock) or gradient-like structures is also within the meaning of the invention.
  • Combinations of two or more different fluorine-containing components E) are also possible, it being clear to the expert that monofunctional representatives lead to the formation of comb-shaped structures, whereas di-, tri- or polyfunctional components E) lead to at least partially crosslinked structures.
  • Preferred fluorine-containing components E) are those of the formula (II).
  • R 1 represents a polymerizable function from the group of vinylically unsaturated compounds, which is suitable for building polymer structures by radical means.
  • a suitable chemical bridge Y is required to link the fluorine-containing group to the reactive end group R 1 .
  • Preferred bridges Y are -O-, -C (O) -, -C (O) -O-, -S-, -O-CH 2 -CH (O -) - CH 2 OH, -O-CH 2 - CH (OH) -CH 2 -O-, -O-SO 2 -O-, -OS (O) -O-, -PH-, -P (CH 3 ) -, -PO 3 -, -NH-, -N (CH 3 ) -, -O- (CrC 5 o) alkyl-O-, -O-phenyl-O-, -O-benzyl-O-, -O- (C 5 -C 8 ) cycloalkyl-O -, -O- dC ⁇ oJAlkenyl-O-,
  • n, m and o independently of one another are numbers from 0 to 200 and the distribution of the EO and PO units can be statistical or block-shaped.
  • R and s are stoichiometric coefficients that independently represent numbers from 0 to 200.
  • Preferred fluorine-containing components E) according to formula (II) are perfluorohexylethanol methacrylate, Perfluorohexoylpropanol methacrylate, perfluorooctyethanol methacrylate, perfluorooctylpropanol methacrylate, perfluorohexylethanolyl polyglycol ether methacrylate, perfluorohexoyl propanolyl poly [ethyl glycol co-propylene glycol ether] acrylate,
  • Perfluorooctyethanolyl poly [ethyl glycol block copropylene glycol ether] methacrylate, perfluorooctyl propanolyl polypropylene glycol ether methacrylate.
  • the content of fluorine-containing components can be up to 99.9% by weight, preferably 0.5 to 30% by weight, particularly preferably 1 to 20% by weight.
  • the macromonomers F) are at least simple olefinically functionalized polymers with one or more discrete repeating units and a number average molecular weight greater than or equal to 200 g / mol. Mixtures of chemically different macromonomers F) can also be used in the copolymerization.
  • the macromonomers are polymeric structures which are composed of one or more repeating unit (s) and have a molecular weight distribution which is characteristic of polymers.
  • Preferred macromonomers F) are compounds of the formula (III).
  • R 1 represents a polymerizable function from the group of vinylically unsaturated compounds which are suitable for building polymer structures by radical means.
  • a suitable bridging group Y is required to connect the polymer chain to the reactive end group.
  • Preferred bridges Y are -O-, -C (O) -, -C (O) -O-, -S-, -O-CH 2 -CH (0 -) - CH 2 OH, -O-CH 2 - CH (OH) -CH 2 O-, -O-SO 2 -O-, -O-SO-rO-, -O-SO-O-, -PH-, -P (CH 3 ) -, -PO 3 -, -NH- and -N (CH 3 ) -, particularly preferably -O- ,
  • Repeat units A, B, C and D represent.
  • Preferred repeating units A, B, C and D are derived from acrylamide, methacrylamide,
  • indices v, w, x and z in formula (III) represent the stoichiometric coefficients relating to the repeating units A, B, C and D.
  • v, w, x and z are independently 0 to 500, preferably 1 to 30, the The sum of the four coefficients must be> 1 on average.
  • R 2 denotes a linear or branched aliphatic, olefinic, cycloaliphatic, arylaliphatic or aromatic (-C-C 50 ) hydrocarbon residue, OH, -NH 2 , -N (CH 3 ) 2 or is identical to the structural unit [-YR 1 ] ,
  • Particularly preferred macromonomers F) are acrylic or methacrylic monofunctionalized alkyl ethoxylates of the formula (IV).
  • R 3 , R 4 , R 5 and R 6 are independently hydrogen or n-aliphatic, iso-aliphatic, olefinic, cycloaliphatic, arylaliphatic or aromatic (-C-C 3 o) hydrocarbon radicals.
  • R 3 and R 4 are preferably H or —CH 3 , particularly preferably H;
  • R 5 is H or -CH 3 ; and
  • R 6 is an n-aliphatic, iso-aliphatic, olefinic, cycloaliphatic, arylaliphatic or aromatic (C 1 -C 30 ) -
  • Ethylene oxide units (EO) and propylene oxide units (PO), v and w are independently 0 to 500, preferably 1 to 30, the sum of v and w having to be> 1 on average.
  • Macromonomer chains can be statistical, block-like, alternating or gradient-like.
  • Y stands for the bridges mentioned above.
  • Also particularly suitable as macromonomers F) are esters of (meth) acrylic acid with
  • Genapol ® types are products from Clariant, GmbH.
  • the molecular weight of the macromonomers F) is preferably 200 g / mol to 10 6 g / mol, particularly preferably 150 to 10 4 g / mol and particularly preferably 200 to 5000 g / mol.
  • Macromonomers can be up to 99.9% by weight.
  • the ranges 0.5 to 30% by weight and 70 to 99.5% by weight are preferably used.
  • the preferred range is 1 to 20% by weight and 75 to 95% by weight.
  • Preferred copolymers are those which can be obtained by copolymerizing at least components A), C) and D).
  • copolymers are those which can be obtained by copolymerizing at least components A), C) and E).
  • copolymers are those which can be obtained by copolymerizing at least components A), C) and F). Also preferred as copolymers are those which can be obtained by copolymerizing at least components A), D) and F).
  • copolymers are those which can be obtained by copolymerizing at least components A) and F).
  • copolymers are those which can be obtained by copolymerizing at least components A) and D).
  • copolymers are those which can be obtained by copolymerizing at least components A) and E).
  • the copolymerization is carried out in the presence of at least one polymeric additive G), the additive G) being added to the polymerization medium in whole or in part in solution before the actual copolymerization.
  • the use of several additives G) is also according to the invention.
  • Crosslinked additives G) can also be used.
  • additives G) or their mixtures only have to be wholly or partly soluble in the chosen polymerization medium.
  • additive G) has several functions. On the one hand, it prevents the formation of over-crosslinked polymer fractions in the copolymer being formed in the actual polymerization step, and on the other hand, additive G) is statistically attacked by active radicals in accordance with the generally known mechanism of graft copolymerization. As a result, depending on the additive G), more or less large amounts of it are incorporated into the copolymers.
  • suitable additives G) have the property of changing the solution parameters of the copolymers formed during the radical polymerization reaction in such a way that the average molecular weights are shifted to higher values.
  • additives G are homo- and copolymers soluble in water and / or alcohols, preferably in t-butanol. Copolymers are also to be understood as meaning those with more than two different types of monomers.
  • Particularly preferred additives G) are homopolymers and copolymers of N-vinylformamide, N-vinyl acetamide, N-vinyl pyrrolidone, ethylene oxide, propylene oxide, acryloyldimethyltauric acid, N-vinyl caprolactam, N-vinyl methylacetamide, acrylamide, acrylic acid, methacrylic acid, N-vinyl morpholide, hydroxyethyl methacrylate, Diallyldimethylammonium chloride (DADMAC) and / or [2- (methacryloyloxy) ethyl] trimethylammonium chloride (MAPTAC); Polyalkylene glycols and / or alkyl polyglycols.
  • additives G are polyvinylpyrrolidones (such as Luviskol K15 ®, K20 ® and K30 ® from BASF), poly (N-vinylformamides), poly (N-vinylcaprolactams) and copolymers of N-vinylpyrrolidone, N-vinylformamide and / or acrylic acid which can also be partially or completely saponified.
  • the molecular weight of the additives G) is preferably 10 2 to 10 7 g / mol, particularly preferably 0.5 * 10 4 to 10 6 g / mol.
  • the amount of polymeric additive G) used is, based on the total mass of the monomers to be polymerized during the copolymerization, preferably 0.1 to 90% by weight, particularly preferably 1 to 20% by weight and particularly preferably 1.5 to 10% by weight .-%.
  • the copolymers according to the invention are crosslinked, i.e. they contain comonomers with at least two polymerizable vinyl groups.
  • Preferred crosslinkers are methylene bisacrylamide; methylenebismethacrylamide; Esters of unsaturated mono- and polycarboxylic acids with polyols, preferably diacrylates and triacrylates or methacrylates, particularly preferably butanediol and ethylene glycol diacrylate or methacrylate, trimethylolpropane triacrylate (TMPTA) and trimethylolpropane trimethacrylate (TMPTMA); Allyl compounds, preferably allyl (meth) acrylate, triallyl cyanurate, maleic acid diallyl ester, polyallyl ester, tetraallyloxyethane, triallylamine, tetraallylethylene diamine; Allyl esters of phosphoric acid; and / or vinylphosphonic acid derivatives.
  • TMPTA trimethylolpropane triacrylate
  • TMPTMA trimethylolpropane trimethacrylate
  • Allyl compounds preferably allyl (meth) acryl
  • Trimethylolpropane triacrylate is particularly preferred as the crosslinking agent.
  • the proportion by weight of crosslinking comonomers, based on the total mass of the copolymers, is preferably up to 20% by weight, particularly preferably 0.05 to 10% by weight and particularly preferably 0.1 to 7% by weight.
  • All organic or inorganic solvents can be used as the polymerization medium which are largely inert with respect to radical polymerization reactions and which advantageously permit the formation of medium or high molecular weights.
  • Water is preferred; lower alcohols; preferably methanol, ethanol, propanols, iso-, sec- and t-butanol, particularly preferably t-butanol; Hydrocarbons with 1 to 30 carbon atoms and mixtures of the aforementioned compounds.
  • the polymerization reaction is preferably carried out in the temperature range between 0 and 150 ° C., particularly preferably between 10 and 100 ° C., both under normal pressure and under elevated or reduced pressure. If necessary, the polymerization can also be carried out under a protective gas atmosphere, preferably under nitrogen.
  • High-energy electromagnetic radiation, mechanical energy or the usual chemical polymerization initiators such as organic peroxides, e.g. Benzoyl peroxide, tert-butyl hydroperoxide, methyl ethyl ketone peroxide, cumene hydroperoxide, dilauroyl peroxide or azo initiators, e.g. Azodiisobutyronitrile (AIBN) can be used.
  • organic peroxides e.g. Benzoyl peroxide, tert-butyl hydroperoxide, methyl ethyl ketone peroxide, cumene hydroperoxide, dilauroyl peroxide or azo initiators, e.g. Azodiisobutyronitrile (AIBN)
  • AIBN Azodiisobutyronitrile
  • inorganic peroxy compounds such as (NH 4 ) 2 S 2 ⁇ 8 , K 2 S 2 O 8 or H 2 O 2 , optionally in combination with reducing agents (e.g. sodium bisulfite, ascorbic acid, iron (II) sulfate etc.) or redox systems which contain an aliphatic or aromatic sulfonic acid (for example benzenesulfonic acid, toluenesulfonic acid etc.) as reducing component.
  • reducing agents e.g. sodium bisulfite, ascorbic acid, iron (II) sulfate etc.
  • redox systems which contain an aliphatic or aromatic sulfonic acid (for example benzenesulfonic acid, toluenesulfonic acid etc.) as reducing component.
  • All solvents can be used as the polymerization medium which are largely inert with respect to radical polymerization reactions and which permit the formation of high molecular weights.
  • Water and lower, tertiary alcohols or hydrocarbons having 3 to 30 carbon atoms are preferably used.
  • t-butanol is used as the reaction medium.
  • Mixtures of two or more representatives of the potential solvents described are of course also in accordance with the invention. This also includes emulsions of immiscible solvents (e.g. water / hydrocarbons).
  • reaction control which lead to the polymer structures according to the invention are suitable (solution polymerization, emulsion process, precipitation process, high-pressure process, suspension process, bulk polymerization, gel polymerization, etc.).
  • Precipitation polymerization is particularly suitable, particularly preferably precipitation polymerization in tert-butanol.
  • the following list shows 67 copolymers which are particularly advantageously suitable for the formulation of the agents according to the invention.
  • the various copolymers No. 1 to No. 67 can be obtained according to the following production processes 1, 2, 3 and 4.
  • Butanol can be produced.
  • the monomers were initially introduced into t-butanol, the reaction mixture was rendered inert, and the reaction was then started after heating to 60 ° C. by adding the corresponding t-butanol-soluble initiator (preferably dilauroyl peroxide). After the reaction has ended (2 hours), the polymers are isolated by suction removal of the solvent and subsequent vacuum drying.
  • the corresponding t-butanol-soluble initiator preferably dilauroyl peroxide
  • polymers can be prepared in water using the gel polymerization process.
  • the monomers are dissolved in water, the reaction mixture is rendered inert, and the reaction is then started after heating to 65 ° C. by adding suitable initiator or initiator systems (preferably Na 2 S 2 O 8 ).
  • suitable initiator or initiator systems preferably Na 2 S 2 O 8 .
  • the polymer gels are then crushed and the polymers isolated after drying.
  • These polymers can be prepared in water using the emulsion process.
  • the monomers are mixed in a water / organ mixture.
  • Solvent preferably cyclohexane
  • emulsifier emulsifier
  • the reaction mixture is rendered inert by means of N 2 and the reaction is then started after heating to 80 ° C. by adding suitable initiator or initiator systems (preferably Na 2 S 2 O 8 ).
  • suitable initiator or initiator systems preferably Na 2 S 2 O 8 .
  • the polymer emulsions are then evaporated (cyclohexane acts as a tug for water), thereby isolating the polymers.
  • These polymers can be prepared by the solution process in organic solvents (preferably toluene, e.g. also partly alcohols).
  • organic solvents preferably toluene, e.g. also partly alcohols.
  • the monomers are initially introduced in the solvent, the reaction mixture is rendered inert, and the reaction is then started after heating to 70 ° C. by adding suitable initiator or initiator systems (preferably dilauroyl peroxide).
  • suitable initiator or initiator systems preferably dilauroyl peroxide.
  • the polymers are isolated by evaporation of the solvent and subsequent vacuum drying.
  • the copolymers are water-soluble or water-swellable.
  • Copolymers containing acryloyldimethyltaurate both in crosslinked and in uncrosslinked form are also known as copolymers containing acryloyldimethyltaurate both in crosslinked and in uncrosslinked form.
  • the described, optionally feasible grafting of the comb-shaped copolymers containing acryloyldimethyltaurate with other polymers leads to products with special polymer morphology, which are optical in aqueous systems result in clear gels.
  • a potential disadvantage of the copolymers without grafting is more or less strong opalescence in aqueous solution. This is based on previously unavoidable, over-crosslinked polymer fractions that arise during the synthesis and are only insufficiently swollen in water. As a result, light-scattering particles form, the size of which is well above the wavelength of visible light and are therefore the cause of opalescence.
  • the described, optionally feasible grafting process significantly reduces or completely avoids the formation of crosslinked polymer components compared to conventional techniques.
  • compositions according to the invention contain, based on the finished compositions, preferably 0.01 to 10% by weight, particularly preferably 0.1 to 5% by weight, particularly preferably 0.5 to 3% by weight, of copolymers.
  • the agents according to the invention can also contain one or more acidic organic active ingredients.
  • Compounds are preferably selected from glycolic acid, lactic acid, citric acid, tartaric acid, mandelic acid, salicylic acid, ascorbic acid, pyruvic acid, oligooxa mono- and dicarboxylic acids, alpha-hydroxy acids, fumaric acid, retinoic acid, sulfonic acids, benzoic acid, kojic acid, fruit acid and malic acid, malic acid, derivatives thereof, malic acid.
  • the formulations are usually adjusted to a pH in the range 2 to 12, preferably pH 3 to 8.
  • the agents can be those on an aqueous or aqueous-alcoholic basis, for example hair gels.
  • the agents can be emulsions and suspensions which contain copolymers as thickeners, dispersants, emulsifiers, suspending agents with thickening action and consistency agents.
  • it can be decorative, solid-containing preparations which contain the copolymers as lubricants, adhesives, thickeners, dispersants and emulsifiers.
  • the emulsifying, stabilizing and / or consistency effect of the copolymers in emulsions is caused or enhanced by an association of the polymer side chains with one another, and by an interaction of the polymer side chains with the hydrophobic oil components.
  • the formulations can contain organic solvents.
  • organic solvents are preferably selected from the group of monohydric and polyhydric alcohols, optionally ethoxylated polyethylene glycols, propylene glycol esters, sorbitol and its derivatives, glycol ethers, propylene glycol ethers and fatty esters and are preferred, based on the finished agent, up to 90% by weight 5 to 70 wt .-%, used.
  • the oil content of the emulsions is usually up to 95% by weight, preferably 2 to 50% by weight, particularly preferably 5 to 20% by weight.
  • the proportion of oil bodies also depends on whether lotions with a comparatively low viscosity or creams and ointments with a high viscosity are to be produced.
  • the emulsions can be both water-in-oil emulsions and oil-in-water emulsions.
  • the emulsions can be used as skin care products, such as day creams, night creams, skin care creams, nutritional creams, body lotions, ointments and the like, and as further auxiliaries and additives, cationic polymers, film formers, and other additives customary in cosmetics, such as, for example, superfatting agents, moisturizing agents , Stabilizers, biogenic agents, glycerin, preservatives, pearlescent agents, colorants and fragrances, solvents, hydrotropes, opacifiers, other thickeners and Dispersing agents, also protein derivatives such as gelatin, collagen hydrolyzates, polypeptides on a natural and synthetic basis, egg yolk, lecithin, lanolin and lanolin derivatives, deodorising agents, substances with keratolytic and keratoplastic activity, enzymes and carrier substances, antioxidation, UV light protection filters, pigments and metal oxides, and antimicrobials, as well as antimicrobials acting agents included.
  • Oil body means any fatty substance that is liquid at room temperature (25 ° C).
  • the fat phase can therefore comprise one or more oils, which are preferably selected from the following oils:
  • Silicone oils volatile or non-volatile, linear, branched or ring-shaped, possibly organically modified; phenylsilicones; Silicone resins and rubbers; Mineral oils such as paraffin or petroleum jelly; Oils of animal origin such as perhydrosqualene, lanolin; Oils of vegetable origin such as liquid triglycerides, e.g.
  • Possible nonionic co-emulsifiers are, inter alia, addition products of 0 to 30 mol of ethylene oxide and / or 0 to 5 mol of propylene oxide with linear fatty alcohols with 8 to 22 C atoms, with fatty acids with 12 to 22 C atoms, with alkylphenols with 8 to 15 carbon atoms in the alkyl group and on sorbitan or sorbitol esters; (C ⁇ 2 -C ⁇ 8 ) fatty acid monoesters and diesters of adducts of 0 to 30 moles of ethylene oxide with glycerol; Glycerol monoesters and diesters and sorbitan monoesters and diesters of saturated and unsaturated fatty acids having 6 to 22 carbon atoms and, if appropriate, their ethylene oxide addition products; Addition products of 15 to 60 moles of ethylene oxide with castor oil and / or hardened castor oil; Polyol and especially polyglycerol esters such as polyglycerol polyric
  • Suitable cationic polymers are those known under the INCI name “Polyquaternium”, in particular Polyquaternium-31, Polyquaternium-16, Polyquaternium-24, Polyquaternium-7, Polyquaternium-22, Polyquaternium-39, Polyquaternium-28, Polyquaternium-2, Polyquaternium -10, polyquaternium-11, as well as polyquaternium 37 & mineral oil & PPG trideceth (Salcare SC95), PVP-dimethylaminoethyl methacrylate copolymer, guar-hydroxypropyl-triammonium chloride, as well as calcium alginate and ammonium alginate, cationic cellulose derivatives, cationic diallyl and ammonium copolymers can also be used; ; quaternized vinylpyrrolidone / vinylimidazole polymers; condensation products of polyglycols and amines; quaternized collagen polypeptides; quaternized wheat polypeptides; polyethyleneimines
  • Suitable silicone compounds are, for example, dimethylpolysiloxane, methylphenylpolysiloxanes, cyclic silicones and amino, fatty acid, alcohol, polyether, epoxy, fluorine and / or alkyl modified silicone compounds, and also polyalkylsiloxanes, polyalkylarylsiloxanes, polyether siloxane copolymers, as in US Pat. No. 5,104,645 and describes the documents cited therein, which can be both liquid and resinous at room temperature.
  • Suitable film formers are, depending on the application, water-soluble polyurethanes, for example C 1 -polycarbamyl-polyglyceryl esters, polyvinyl alcohol, polyvinylpyrrolidone, copolymers, for example vinylpyrrolidone-ethyl acetate copolymers, water-soluble acrylic acid copolymers or their esters or salts, for example partial ester copolymers of acrylic and methacrylic acid and acrylic and methacrylic acid Polyethylene glycol ethers of fatty alcohols, such as acrylate / steareth-20 methacrylate copolymers, water-soluble cellulose, for example hydroxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, water-soluble quaterniums, polyquaterniums, carboxyvinyl polymers, such as carbomers and their salts, polysaccharides, for example polydextrose and glucan.
  • water-soluble polyurethanes for example
  • Substances such as, for example, polyethoxylated lanolin derivatives, lecithin derivatives, polyol fatty acid esters, monoglycerides and fatty acid alkanolamides can be used as superfatting agents, the latter simultaneously serving as foam stabilizers.
  • polyethoxylated lanolin derivatives such as, for example, polyethoxylated lanolin derivatives, lecithin derivatives, polyol fatty acid esters, monoglycerides and fatty acid alkanolamides
  • foam stabilizers for example, isopropyl palmitate, glycerin and / or sorbitol are available as a moisturizing substance.
  • Metal salts of fatty acids such as e.g. Magnesium, aluminum and / or zinc stearate can be used.
  • Biogenic active substances are understood to mean, for example, plant extracts and vitamin complexes.
  • the agents according to the invention can be mixed with conventional ceramides, pseudoceramides, fatty acid-N-alkylpolyhydroxyalkylamides, cholesterol, cholesterol fatty acid esters, fatty acids, triglycerides, cerebrosides,
  • Phospholipids and similar substances can be mixed as a care additive.
  • Suitable UV filters are, for example, 4-aminobenzoic acid; 3- (4'-trimethylammonium) benzylidene-borane-2-one methyl sulfate; 3,3,5-trimethyl-cyclohexyl salicylate; 2-hydroxy-4-methoxybenzophenone; 2-phenylbenzimidazole-5-sulfonic acid and its potassium, sodium and triethanolamine salts; 3,3 '- (1,4-phenylenedimethine) bis (7,7-dimethyl-2-oxobicyclo [2.2.1] -heptane-1-methanesulfonic acid and its salts; l- (4-tert- Butylphenyl) -3- (4-methoxyphenyl) propan-1, 3-dione, 3- (4'-sulfo) -benzylidene-bornan- 2-one and its salts; 2-cyano-3,3-diphenyl-acrylic acid (2-ethylhexyl); Polymer
  • pigments / micropigments e.g. microfine titanium dioxide, mica titanium oxide, iron oxides, mica iron oxide, zinc oxide, silicon oxides, ultramarine blue, chromium oxides can be used.
  • Suitable antioxidants are, for example, superoxide dismutase, tocopherol (vitamin E) and ascorbic acid (vitamin C).
  • Suitable preservatives are phenoxyethanol,
  • Suitable dyes are those which are suitable and approved for cosmetic purposes
  • Suitable antifungal active ingredients are preferably ketoconazole, oxiconazole,
  • the emulsions are creamy and ointment-like and do not have the gel-like or even gelatin-like appearance of certain prior art emulsions in which the outer aqueous phase is thickened.
  • the cosmetic feeling on the skin is also very good.
  • the emulsion gives a feeling of freshness and comfort, while at the same time having a rich and nourishing effect; it is soft and comfortable and in no way sticky.
  • Emulsions according to the invention can be prepared in a manner known per se, for example by hot, hot-hot / cold or PIT emulsification.
  • B copolymer No. 18 50% C glycerin 7.00% water ad 100% preservative q.s.
  • Example 4 Surfactant-free lotion with a refreshing, invigorating effect

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Abstract

L'invention concerne des produits cosmétiques, pharmaceutiques et dermatologiques dépourvus de tensioactifs, qui contiennent au moins un copolymère obtenu par copolymérisation radicalaire A) d'acide d'acryloyldiméthyltaurine ou de taurates d'acryloyldiméthyle, B) éventuellement d'un ou de plusieurs autres comonomères non cationiques oléfiniquement insaturés, C) éventuellement d'un ou de plusieurs comonomères cationiques oléfiniquement insaturés, D) éventuellement d'un ou de plusieurs constituants siliceux, E) éventuellement d'un ou de plusieurs constituants fluoritiques, F) éventuellement d'un ou de plusieurs macromonomères, G) la copolymérisation ayant éventuellement lieu en présence d'au moins un additif polymérique, H) à condition que le constituant A) soit copolymérisé avec au moins un constituant sélectionné dans les groupes D à G.
EP01998570A 2000-12-01 2001-11-28 Produits cosmetiques, dermatologiques et pharmaceutiques depourvus de tensio-actifs Withdrawn EP1339766A1 (fr)

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DE10059821A DE10059821A1 (de) 2000-12-01 2000-12-01 Tensidfreie kosmetische, dermatologische und pharmazeutische Mittel
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EP2186835B1 (fr) 2014-05-21
US7297328B2 (en) 2007-11-20
US20040109836A1 (en) 2004-06-10
ES2487529T3 (es) 2014-08-21
BR0115810B1 (pt) 2011-10-18
WO2002044231A1 (fr) 2002-06-06
DE10059821A1 (de) 2002-06-13
US8062630B2 (en) 2011-11-22
JP2002201111A (ja) 2002-07-16
US20080069793A1 (en) 2008-03-20
EP2186835A1 (fr) 2010-05-19
BR0115810A (pt) 2003-09-16

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