EP1174495B1 - Soap bar comprising talc, alkali fatty acid and nonionic surfactant, but not comprising alkyl oligoglycosides - Google Patents

Abstract

A shaped soap product free of alkyl-(oligo)-glycosides contains (a) talc, (b) a 12-22C fatty acid in alkali soap form and (c) a nonionic surfactant.

Description

Shaped soap product containing talc, one or more fatty acids in the form of their Alkaline soaps and one or more non-ionic surfactants in the absence of Alkyl (oligo) glycosides.

The present invention relates to cosmetic cleaning agents in the form of shaped soap products. Such means are known per se. It is essentially about surface-active substances or mixtures of substances that the consumer in different Preparations are offered. The invention particularly relates to bar soaps with improved Smoothness and increased lime soap dispersing capacity due to the content of talc and one or more nonionic surfactants in the absence of alkyl (oligo) glycosides.

Surfactants - best known are the alkali salts of higher fatty acids, i.e. the classic "soaps" - are amphiphilic substances, the organic non-polar substances in water can emulsify.

These substances not only wash dirt from the skin and hair, they irritate, depending on the choice of the surfactant or the surfactant mixture, skin and mucous membranes more or less strong. It Although a large number of fairly mild surfactants are available, the surfactants are of the state technology either mild, but cleans badly, or they clean well but irritate Skin or mucous membranes.

A simple water bath without the addition of surfactants is the first step swelling of the horny layer of the skin, the degree of this swelling being, for example, from depends on the duration of the bath and its temperature. At the same time, they become water-soluble Fabrics, e.g. water-soluble dirt components, but also the skin's own substances that Water binding capacity of the horny layer are responsible, washed off or washed out.

Due to the skin's own surface-active substances, skin fats are also to a certain extent loosened and washed out. After initial swelling, this requires a subsequent one significant dehydration of the skin, which is intensified by washing-active additives can.

The aim was to remedy these problems.

With healthy skin, these processes are generally irrelevant because of the protective mechanisms the skin easily compensate for such slight disorders of the upper layers of the skin can. But already in the case of non-pathological deviations from normal status, e.g. through environmental wear and tear or irritation, light damage, aging skin etc., the protective mechanism of the skin surface is disturbed. Under certain circumstances then he is no longer able to fulfill his task under his own power and has to go through extreme measures are regenerated. The object of the present invention was therefore to remedy this lack of the prior art.

Bar soaps play a major role in body cleansing, which on an industrial scale these days by continuously saponifying free fatty acids with alkalis, concentrating the Basic soaps and spray drying can be produced. One differentiates between real alkali soaps that contain only fatty acid salts and possibly free fatty acids contain and so-called "combibars", bar soaps, which in addition to fatty acid salts even more synthetic surfactants, usually fatty alcohol ether sulfates or fatty acid isothionates exhibit. The syndet soap, so-called "Syndetbars" which are free of fatty acid salts except for impurities and contain only synthetic surfactants.

In Germany alone, several million soap bars are used every year for personal hygiene sold. The requirements of the market for this mass consumer item are thereby however, ever higher: bar soaps not only have to clean the skin, they also have to care for it, d. H. prevent drying out, regreasing and protection against external influences Offer. Of course, the soap is expected to be particularly skin-friendly is, but it should still result in as much and creamy foam in use and cause a pleasant feeling on the skin. In this context, manufacturers of Bar soaps constantly looking for new ingredients that meet this increased requirement profile Take into account.

A distinction is made between solid, mostly bar-shaped, and liquid soaps. The main components are the alkali salts of the fatty acids of natural oils and the like. Fat, preferably of chain lengths C ₁₂ -C ₁₈ . Since lauric acid soaps foam particularly well, the lauric acid-rich coconut and palm kernel oils are preferred raw materials for fine soap production. The sodium salts of the fatty acid mixtures are solid, the potassium salts are soft-pasty. For saponification, the dilute sodium or potassium hydroxide solution is added to the fat raw materials in a stoichiometric ratio in such a way that the finished soap contains a maximum of 0.05% alkali. In many cases, soaps are no longer made directly from fats, but rather from the fatty acids obtained by fat splitting.

Common soap additives are fatty acids, fatty alcohols, lanolin, lecithin, vegetable oils, partial glycerides and other fat-like substances for regreasing the cleansed skin, antioxidants such as ascorbyl palmitate or tocopherol to prevent the autoxidation of the Soap (rancidity), complexing agents such as nitrilotriacetate to bind traces of heavy metals, which could catalyze autoxidative spoilage, perfume oils to achieve the desired fragrance notes, dyes for coloring the soap bars and if desired special additives.

• Toilettenseifen mit 20 - 50 % Kokosöl im Fettansatz, bis 5 % Rückfetter-Anteil und 0,5 - 2 % Parfümöl, sie bilden den größten Anteil der Feinseifen;
• Luxusseifen mit bis zu 5% besonders kostbarer Parfümöle;
• Deoseifen mit Zusätzen desodorierender Wirkstoffe, wie z. B. 3,4,4'-Trichlorcarbanilid (Triclocarban);
• Cremeseifen mit besonders hohen Anteilen rückfettender und die Haut cremender Substanzen;
• Babyseifen mit guter Rückfettung und zusätzlich pflegenden Anteilen wie z. B. Kamille-Extrakten, allenfalls sehr schwach parfümiert;
• Hautschutzseifen mit hohen Anteilen rückfettender Substanzen sowie weiteren pflegenden und schützenden Zusätzen, wie z. B. Proteinen;
• Transparentseifen mit Zusätzen von Glycerin, Zucker u. a., welche die Kristallisation der Fettsäuresalze in der erstarrten Seifenschmelze verhindern und so ein transparentes Aussehen bewirken;
• Schwimmseifen mit einer Dichte < 1, hervorgerufen durch bei der Herstellung kontrolliert eingearbeitete Luftbläschen.
• Seifen mit abrasiven Zusätzen zur Reinigung stark verschmutzter Hände.

The most important types of fine soaps are:

• Toilet soaps with 20 - 50% coconut oil in the fat mixture, up to 5% moisturizing agent and 0.5 - 2% perfume oil, they form the largest part of fine soaps;
• Luxury soaps with up to 5% particularly valuable perfume oils;
• Deodorant soaps with additives of deodorising agents, such as. B. 3,4,4'-trichlorocarbanilide (triclocarban);
• Cream soaps with particularly high proportions of lipid-replenishing and skin-creaming substances;
• Baby soaps with good regreasing and additional nourishing components such as B. chamomile extracts, at most very slightly perfumed;
• Skin protection soaps with high proportions of moisturizing substances as well as other nourishing and protective additives, such as. B. proteins;
• Transparent soaps with additions of glycerin, sugar and others, which prevent the crystallization of the fatty acid salts in the solidified soap melt and thus create a transparent appearance;
• Floating soaps with a density <1, caused by air bubbles that are incorporated in a controlled manner during production.
• Soaps with abrasive additives for cleaning heavily soiled hands.

When washing with soap, the pH of the wash liquor is 8-10. This alkalinity neutralizes the skin's natural acid coat (pH 5-6). This is at Normal skin regressed relatively quickly, with sensitive or damaged skin however, there may be irritation. Another disadvantage of soaps is the formation of insoluble ones Lime soaps in hard water. These disadvantages do not exist with Syndet soaps. They are based on synthetic anionic surfactants, with builders, refatting agents and others Additives to soap-like pieces can be processed. Their pH is wide Limits can be varied and are usually adjusted neutrally to pH 7 or the acid coat of the skin adjusted to pH 5.5. They have excellent cleaning power, foam in everyone Water hardness, even in sea water, the proportion of lipid-replenishing additives has to be intense The cleaning and degreasing effect can be significantly higher than that of normal soaps. you The disadvantage is the relatively high price.

Surfactants are amphiphilic substances that can dissolve organic, non-polar substances in water. Due to their specific molecular structure, they provide at least one hydrophilic and a hydrophobic part of the molecule, for a reduction of the surface tension of water, wetting the skin, facilitating dirt removal and solution, easy rinsing and - if desired - for foam regulation.

• anionische Tenside,
• kationische Tenside,
• amphotere Tenside und
• nichtionische Tenside.

The hydrophilic parts of a surfactant molecule are mostly polar functional groups, for example -COO ^- , -OSO ₃ ^2- , -SO ₃ ^- , while the hydrophobic parts generally represent non-polar hydrocarbon radicals. Surfactants are generally classified according to the type and charge of the hydrophilic part of the molecule. There are four groups:

• anionic surfactants,
• cationic surfactants,
• amphoteric surfactants and
• nonionic surfactants.

Anionic surfactants generally have carboxylate, sulfate or sulfonate groups as functional groups. In aqueous solution they form negatively charged organic ions in an acidic or neutral environment. Cationic surfactants are characterized almost exclusively by the presence of a quaternary ammonium group. In aqueous solution they form positively charged organic ions in an acidic or neutral environment. Amphoteric surfactants contain both anionic and cationic groups and accordingly behave like anionic or cationic surfactants in aqueous solution depending on the pH. They have a positive charge in a strongly acidic environment and a negative charge in an alkaline environment. In the neutral pH range, however, they are zwitterionic, as the following example should illustrate: RNH ₂ ⁺ CH ₂ CH ₂ COOH X ^- (at pH = 2) X ^- = any anion, e.g. Cl ^- RNH ₂ ⁺ CH ₂ CH ₂ COO ^- (at pH = 7) RNHCH ₂ CH ₂ COO ^- B ⁺ (at pH = 12) B ⁺ = any cation, e.g. Na ⁺

Polyether chains are typical of non-ionic surfactants. Non-ionic surfactants form in aqueous medium no ions.

It is known that fine soaps based on tallow and coconut fatty acids by numerous Additives in their application properties are changed and improved can. In common manuals, e.g. B. Geoffrey Martin: The Modem Soap and Detergent Industry, Vol. 1, (1959), Chapter VI, are inorganic fillers as extenders for Soaps are described, but the talc is more of an adverse effect in bar soaps attributed. The addition of 5-20% talc in combibars is described in DE 196 49 896 described. This addition is intended to smoothen and disperse the lime soap be improved.

GB 2 317 396 discloses a shaped soap product containing alkali fatty acid, another surfactant, e.g. a nonionic surfactant, free fatty acid and talc if possible.

The object of the invention was therefore to provide bar soaps, that are free from the disadvantages described. In particular, it had to be taken into account that new bar soap compositions must also be able to be produced on an industrial scale, d. H. that the compositions are, for example, sufficient but not too have high ductility and do not tend to crack when dried.

Contrary to the losses to be expected from the prior art, it was surprising found that with bar soaps that already contain alkyl glycosides as an additive, by a Adding talcum further improves physical and application technology Properties, in particular of the washing and lime soap dispersing ability and the smoothness of the soap is achieved.

• Talkum,
• eine oder mehrere Fettsäuren mit 12-22 C-Atomen in Form ihrer Alkaliseifen
• ein oder mehrere nichtionische Tenside , gewähit aus der Gruppe der Alkohole, der Alkanolamide, wie Cocamide MEA/ DEA/ MIPA, der Aminoxide, wie Cocoamidopropylaminoxid, der Ester, die durch Veresterung von Carbonsäuren mit Ethylenoxid, Glycerin, Sorbitan oder anderen Alkoholen entstehen, der Ether, beispielsweise ethoxyliertelpropoxylierte Alkohole, ethoxyliertel propoxylierte Ester, ethoxylierten propoxylierte Glycerinester, ethoxylierte/ propoxylierte Cholesterine, ethoxylierte/ propoxylierte Triglyceridester, ethoxyliertes propoxyliertes Lanolin, ethoxylierte/ propoxylierte Polysiloxane, propoxylierte POE-Ether und Alkylpolyglycoside wie Laurylglucosid, Decylglycosid und Cocoglycosid, der Sucroseester, der Sucroseether, der Polyglycerinester, Diglycerinester, Monoglycerinester, der Methylglucosester, Ester von Hydroxysäuren,
• zusätzlich 5-30 Gew.-% freie Fettsäuren mit 12-22 C-Atomen
• weniger als 1 Gew.-% Alkyl-(oligo)-glycoside.

The invention therefore relates to a shaped soap product containing

• Talc,
• one or more fatty acids with 12-22 carbon atoms in the form of their alkali soaps
• one or more nonionic surfactants, selected from the group of alcohols, alkanolamides, such as cocamides MEA / DEA / MIPA, amine oxides, such as cocoamidopropylamine oxide, the esters which are formed by esterification of carboxylic acids with ethylene oxide, glycerol, sorbitan or other alcohols Ethers, for example ethoxylated quarterly propoxylated alcohols, ethoxylated quarterly propoxylated esters, ethoxylated propoxylated glycerol esters, ethoxylated / propoxylated cholesterols, ethoxylated / propoxylated triglyceride esters, ethoxylated propoxylated lanolin, ethoxylated / propoxylated polysiloxanes, propoxylated POE ethers and alkylpolyglycoside, decoglyl glyglycoside, lauryl glycolyglycoside, such as lauryl polyglycoside, such as lauryl polyglycoside, such as lauryl glycolyglycoside, such as lauryl polyglycoside, such as lauryl polyglycoside, such as laurylglyglycoside, such as laurylglycolyglycoside, such as laurylglycolyglycoside, such as decoglyl glycylglycoside, such as decoglyl glycylglycoside, such as laurylglycol glycoside, such as la Sucrose ether, the polyglycerol ester, diglycerol ester, monoglycerol ester, the methyl glucose ester, esters of hydroxy acids,
• additionally 5-30% by weight of free fatty acids with 12-22 carbon atoms
• less than 1% by weight alkyl (oligo) glycosides.

Remain in the formulation despite the low total content of surface-active substances the cleaning performance and foam development unaffected. The skin feeling is at the use of this wash piece even without additional skin care substances improved.

The foam also gets better creaminess and more volume, which also was not to be expected. Another advantage of this invention is its compatibility of the wash is improved because the total content of surfactants is reduced becomes.

The shaped soap products according to the invention also have mechanical properties Deformation a particularly smooth surface. When used they generate a creamy, stable foam. The lime soap deposit formed in hard water remains dispersed in the water and does not lead to the gray-greasy deposits on the upper area of sanitary objects.

Talc is a hydrated magnesium silicate with the composition 3MgO · 4SO ₂ · H ₂ O or Mg ₃ (Si ₄ O ₁₀ ) · (OH) ₂ or Mg ₆ (OH) ₄ [Si ₈ O ₂₀ ] or Mg ₁₂ [Si ₁₆ O ₄₀ ], which, however, can contain proportions of hydrated magnesium aluminum silicate of up to 12% by weight Al ₂ O ₃ , based on the entire product. Talc is a white, mostly very fine, practically odorless to earthy-smelling powder that feels greasy when rubbed without being fat. It is insoluble in water, cold acids or alkalis. Depending on the country of origin, the chemical purity of the talc (based on the content of anhydrous magnesium silicate) should be 93-98%. Talc is used for the production of pharmaceutical powders, but above all for the production of cosmetic powders that are used for personal hygiene, but is also suitable as a lubricant or flow agent for the production of tablets.

The equivalent spherical diameter of the talc should be in the range of 0.5-50 µm. In general, such talc qualities have proven themselves that are not more than 5% by weight of particles below 1 µm and not more than 5% by weight of particles above 50 µm in size included. Preferably, the proportion of particles that are larger than 40 microns in Diameters are (sieve residue), at most 2% by weight. The average particle diameter (D 50) is preferably 5-15 µm.

The content of accompanying substances should not exceed 1.6% by weight of Fe ₂ O ₃ , 1% by weight of CaO and 1% by weight of unbound water (loss of drying at 1050 ° C.). The hydrated magnesium aluminum silicate content can be up to 60% by weight, calculated as Al ₂ O ₃ , up to 12% by weight.

Advantageously according to the invention, the shaped soap products contain 1-20% by weight talc.

Advantageously according to the invention, the shaped soap products contain 20-50% by weight nonionic Surfactants.

According to the invention, the shaped soap products (or Combibars) also 5 - 40% by weight of a base soap, for example one whose Soap constituents consist of sodium tallowate, sodium cocoat and sodium palm stone fat, Put the acid salt together.

The shaped soap products according to the invention also advantageously contain water in an amount of 5-35% by weight. The water content is due to the one hand Manufacturing process, on the other hand, it has a beneficial effect on the properties of use Soap out.

The linear fatty acids with 12 to 22 carbon atoms, e.g. B. the lauric, myristic, palmitic, stearic, arachic and behenic acid, but also the unsaturated fatty acids, for. B. the palmitoleic, oleic, linoleic, linolenic, arachidonic and erucic acid used. Technical mixtures, such as those obtained from vegetable and animal fats and oils, are preferably used, for. B. coconut oil fatty acid and tallow fatty acid. Mixtures of coconut and tallow fatty acid cuts are particularly preferred, in particular a mixture of 50-80% by weight of C ₁₆ -C ₁₈ tallow fatty acid and 20-50% by weight of C ₁₂ -C ₁₄ coconut fatty acid.

The fatty acids are used in the form of their alkali soap, usually as sodium soaps. The soaps can also be obtained from the fats and oils directly by saponification (hydrolysis) be generated with sodium hydroxide solution and separation of the glycerol. The invention shaped soap products contain an additional proportion of 5-30% by weight free fatty acids with 12-22 carbon atoms. These can be identical to the fatty acids of the basic soap be and by an appropriate alkali deficit in the saponification in the Basic soap can be introduced. However, the free fatty acids are preferred after saponification and added after concentration, before drying.

1. Alkohole,

2. Alkanolamide, wie Cocamide MEA/ DEA/ MIPA,

3. Aminoxide, wie Cocoamidopropylaminoxid,

4. Ester, die durch Veresterung von Carbonsäuren mit Ethylenoxid, Glycerin, Sorbitan oder anderen Alkoholen entstehen,

5. Ether, beispielsweise ethoxylierte/propoxylierte Alkohole, ethoxylierte/ propoxylierte Ester, ethoxyliertel propoxylierte Glycerinester, ethoxylierte/ propoxylierte Cholesterine, ethoxyliertel propoxylierte Triglyceridester, ethoxyliertes propoxyliertes Lanolin, ethoxylierte/ propoxylierte Polysiloxane, propoxylierte POE-Ether und Alkylpolyglycoside wie Laurylglucosid, Decylglycosid und Cocoglycosid.

6. Sucroseester, -Ether

7 Polyglycerinester, Diglycerinester, Monoglycerinester

8. Methylglucosester, Ester von Hydroxysäuren

Non-ionic surfactants to be used are

1. alcohols,

2. alkanolamides, such as cocamides MEA / DEA / MIPA,

3. amine oxides, such as cocoamidopropylamine oxide,

4. esters which are formed by esterification of carboxylic acids with ethylene oxide, glycerol, sorbitan or other alcohols,

5. ethers, for example ethoxylated / propoxylated alcohols, ethoxylated / propoxylated esters, ethoxylated quarterly propoxylated glycerol esters, ethoxylated / propoxylated cholesterols, ethoxylated propoxylated triglyceride esters, ethoxylated propoxylated lanolin, ethoxylated / propoxylated polysiloxanes, propoxylated POE ethers and alkylpolyglycoside such as lauryl polyglycoside such as lauryl polyglycoside such as lauryl polyglycoside.

6. sucrose esters, ether

7 polyglycerol esters, diglycerol esters, monoglycerol esters

8. Methyl glucose esters, esters of hydroxy acids

In addition to the nonionic surfactants, the shaped soap products of the invention can as constituents also cationic, anionic and / or amphoteric or zwitterionic surfactants.

Acylaminosäuren (und deren Salze), wie

1. Acylglutamate, beispielsweise Natriumacylglutamat, Di-TEA-palmitoylaspartat und Natrium Caprylic/ Capric Glutamat,

2. Acylpeptide, beispielsweise Palmitoyl-hydrolysiertes Milchprotein, Natrium Cocoylhydrolysiertes Soja Protein und Natrium-/ Kalium-Cocoyl-hydrolysiertes Kollagen,

3. Sarcosinate, beispielsweise Myristoyl Sarcosin, TEA-lauroyl Sarcosinat, Natriumlauroylsarcosinat und Natriumcocoylsarkosinat,

4. Taurate, beispielsweise Natriumlauroyltaurat und Natriummethylcocoyltaurat,

5. Acyllactylate, Lauroyllactylat, Caproyllactylat

6. Alaninate

Carbonsäuren und Derivate, wie

1. Carbonsäuren, beispielsweise Laurinsäure, Aluminiumstearat, Magnesiumalkanolat und Zinkundecylenat,

2. Ester-Carbonsäuren, beispielsweise Calciumstearoyllactylat, Laureth-6-Citrat und Natrium PEG-4-Lauramidcarboxylat,

3. Ether-Carbonsäuren, beispielsweise Natriumlaureth-13-Carboxylat und Natrium PEG-6-Cocamide Carboxylat,

Phosphorsäureester und Salze, wie beispielsweise DEA-Oleth-10-Phosphat und Dilaureth-4 Phosphat,

Sulfonsäuren und Salze, wie

1. Acyl-isethionate, z.B. Natrium-/ Ammoniumcocoyl-isethionat,

2. Alkylarylsulfonate,

3. Alkylsulfonate, beispielsweise Natriumcocosmonoglyceridsulfat, Natrium C_12-14 Olefinsulfonat, Natriumlaurylsulfoacetat und Magnesium PEG-3 Cocamidsulfat,

4. Sulfosuccinate, beispielsweise Dioctylnatriumsulfosuccinat, Dinatriumlaurethsulfosuccinat, Dinatriumlaurylsulfosuccinat und Dinatriumundecylenamido-MEA-Sulfosuccinat

sowie

Schwefelsäureester, wie

1. Alkylethersulfat, beispielsweise Natrium-, Ammonium-, Magnesium-, MIPA-, TIPA- Laurethsulfat, Natriummyrethsulfat und Natrium C_12-13-Parethsulfat,

2. Alkylsulfate, beispielsweise Natrium-, Ammonium- und TEA-Laurylsulfat.

Vorteilhaft zu verwendende amphotere Tenside sind

1. Acyl-/dialkylethylendiamin, beispielsweise Natriumacylamphoacetat, Dinatriumacylamphodipropionat, Dinatriumalkylamphodiacetat, Natriumacylamphohydroxypropylsulfonat, Dinatriumacylamphodiacetat und Natriumacylamphopropionat,

2. N-Alkylaminosäuren, beispielsweise Aminopropylalkylglutamid, Alkylaminopropionsäure, Natriumalkylimidodipropionat und Lauroamphocarboxyglycinat.

Vorteilhaft zu verwendende kationische Tenside sind

1. Alkylamine,

2. Alkylimidazole,

3. Ethoxylierte Amine und

4. Quatemäre Tenside.

5. Esterquats

Anionic surfactants to be used advantageously

Acylamino acids (and their salts), such as

1. acylglutamates, for example sodium acylglutamate, di-TEA-palmitoylaspartate and sodium caprylic / capric glutamate,

2. acyl peptides, for example palmitoyl-hydrolyzed milk protein, sodium cocoyl-hydrolyzed soy protein and sodium / potassium-cocoyl-hydrolyzed collagen,

3. sarcosinates, for example myristoyl sarcosin, TEA lauroyl sarcosinate, sodium lauroyl sarcosinate and sodium cocoyl sarcosinate,

4. taurates, for example sodium lauroyl taurate and sodium methyl cocoyl taurate,

5. Acyl lactylate, lauroyl lactylate, caproyl lactylate

6. Alaninate

Carboxylic acids and derivatives, such as

1. carboxylic acids, for example lauric acid, aluminum stearate, magnesium alkanolate and zinc undecylenate,

2. ester carboxylic acids, for example calcium stearoyl lactylate, laureth-6 citrate and sodium PEG-4 lauramide carboxylate,

3. ether carboxylic acids, for example sodium laureth-13 carboxylate and sodium PEG-6 cocamide carboxylate,

Phosphoric acid esters and salts, such as DEA-oleth-10-phosphate and dilaureth-4-phosphate,

Sulfonic acids and salts such as

1. acyl isethionate, for example sodium / ammonium cocoyl isethionate,

2. alkylarylsulfonates,

3. alkyl sulfonates, for example sodium coconut monoglyceride sulfate, sodium C _12-14 olefin sulfonate, sodium lauryl sulfoacetate and magnesium PEG-3 cocamide sulfate,

4. Sulfosuccinates, for example dioctyl sodium sulfosuccinate, disodium laureth sulfosuccinate, disodium lauryl sulfosuccinate and disodium undecylenamido MEA sulfosuccinate

such as

Sulfuric acid esters, such as

1. alkyl ether sulfate, for example sodium, ammonium, magnesium, MIPA, TIPA laureth sulfate, sodium myreth sulfate and sodium C _12-13 pareth sulfate,

2. Alkyl sulfates, for example sodium, ammonium and TEA lauryl sulfate.

Amphoteric surfactants to be used advantageously

1. acyl- / dialkylethylenediamine, for example sodium acylamphoacetate, disodium acylamphodipropionate, disodium alkylamphodiacetate, sodium acylamphohydroxypropylsulfonate, disodium acylamphodiacetate and sodium acylamphopropionate,

2. N-alkylamino acids, for example aminopropylalkylglutamide, alkylaminopropionic acid, sodium alkylimidodipropionate and lauroamphocarboxyglycinate.

Cationic surfactants to be used advantageously

1. alkylamines,

2. alkylimidazoles,

3. Ethoxylated amines and

4. Quaternary surfactants.

5. Esterquats

Quaternary surfactants contain at least one N atom with 4 alkyl and / or aryl groups is covalently linked. Regardless of the pH value, this leads to a positive charge. Advantageous quaternary surfactants are alkyl betaine, alkyl amidopropyl betaine and alkyl amidopropyl hydroxysulfain. Cationic surfactants can also be preferred for the purposes of the present Invention can be selected from the group of quaternary ammonium compounds, in particular benzyltrialkylammonium chlorides or bromides, such as, for example, benzyldimethylstearylammonium chloride, furthermore alkyltrialkylammonium salts, for example for example Cetyltrimethylammonium chloride or bromide, alkyldimethylhydroxyethylammonium chloride or bromides, dialkyldimethylammonium chlorides or bromides, alkylamidethyltrimethylammonium ether sulfates, Alkyl pyridinium salts, for example lauryl or cetyl pyrimidinium chloride, Imidazoline derivatives and compounds with a cationic character such as Amine oxides, for example alkyldimethylamine oxides or alkylaminoethyldimethylamine oxides. Cetyltrimethylammonium salts are particularly advantageous.

According to the invention is the absence of alkyl (oligo) glycosides. Alkyl (oligo) glycosides are known, commercially available nonionic surfactants which can be obtained by relevant processes in organic chemistry and which correspond to the formula R ¹ -O (G) _x , in which R ^{1 is} a primary C ₁₂ -C ₁₆ - Alkyl group and (G) _{x is} an oligoglycoside residue whose degree of oligomerization x = 1 to 2. As a representative of the extensive literature, reference is made here to EP-A-0 301 298 and WO-A-90/3977. The alkyl (oligo) glycosides can be derived from aldoses or ketoses with 5 or 6 carbons. Because of the easy accessibility, mainly alkyl- (oligo) -glucosides derived from glucose are produced on an industrial scale. The absence of these substances means that they may at most be present as impurities in the mass on which the combibar according to the invention is based, and in any case must be less than 1% by weight.

The shaped soap product according to the invention can be used as further auxiliaries and additives Oil bodies (refatting agents), emulsifiers, superfatting agents, fats, waxes, stabilizers, cationic Polymers, silicone compounds, pigments, biogenic agents, preservatives, Dyes and fragrances included.

1. Langkettige Alkohole z.B. Lanolin, Cetylalkohol

2. Mono- und Diglyceride bzw. die entsprechenden Glycolester

3. Mono-, Di- und Triglyceride pflanzlichen Ursprungs z.B. Mandelöl

4. Hydrierte Fette

5. Vaseline

6. Wachse

The following moisturizers can be used advantageously, for example:

1. Long-chain alcohols, e.g. lanolin, cetyl alcohol

2. Mono- and diglycerides or the corresponding glycol esters

3. Mono-, di- and triglycerides of vegetable origin, for example almond oil

4. Hydrogenated fats

5. Vaseline

6. Waxes

Further refatting agents are, for example, oil bodies such as Guerbet alcohols based on fatty alcohols having 6 to 18, preferably 8 to 10 carbon atoms, esters of linear C ₆ -C ₂₀ fatty acids with linear C ₆ -C ₂₀ fatty alcohols, esters of branched C ₆ - C ₁₃ carboxylic acids with linear C ₆ -C ₂₀ fatty alcohols, esters of linear C ₆ -C ₁₈ fatty acids with branched alcohols, in particular 2-ethylhexanol, esters of linear and / or branched fatty acids with polyhydric alcohols (such as Dimer diol or trimer diol) and / or Guerbet alcohol triglycerides based on C ₆ -C ₁₀ fatty acids, vegetable oils, branched primary alcohols, substituted cyclohexanes, Guerbet carbonate dialkyl ethers and / or aliphatic or naphthenic hydrocarbons.

Non-ionic, ampholytic and / or zwitterionic can be used as emulsifiers or co-emulsifiers surface-active compounds are used, which are characterized by a lipophilic, preferably linear, alkyl or alkenyl group and at least one hydrophilic group distinguished. This hydrophilic group can be both an ionic and a non-ionic Be a group.

Nonionic emulsifiers contain as a hydrophilic group z. B. a polyol group, a polyalkylene glycol ether group or a combination of polyol and polyglycol ether group. Preferred agents are those which contain nonionic surfactants from at least one of the following groups as O / W emulsifiers: (a1) addition products of 2 to 30 mol of ethylene oxide and / or 0 to 5 mol of propylene oxide with linear fatty alcohols having 8 to 22 carbon atoms , on fatty acids with 12 to 22 C atoms and on alkylphenols with 8 to 15 C atoms in the alkyl group; (a2) C _12/18 fatty acid _monoesters and diesters of adducts of 1 to 30 moles of ethylene oxide with glycerol; (a3) glycerol monoesters and diesters and sorbitan monoesters and diesters of saturated and unsaturated fatty acids having 6 to 22 carbon atoms and their ethylene oxide addition products and (a4) addition products of 15 to 60 mol ethylene oxide onto castor oil and / or hardened castor oil; (a5) Polyol and especially polyglycerol esters such as. B. polyglycerol polyricinoleate or polyglycerol poly-12-hydroxystearate. Mixtures of compounds from several of these classes of substances are also suitable. The adducts of ethylene oxide and / or of propylene oxide with fatty alcohols, fatty acids, alkylphenols, glycerol mono- and diesters as well as sorbitan mono- and diesters of fatty acids or with castor oil are known, commercially available products. These are mixtures of homologs, the middle of which Degree of alkoxylation corresponds to the ratio of the amounts of ethylene oxide and / or propylene oxide and substrate with which the addition reaction is carried out. C _12/14 fatty acid monoesters and diesters of adducts of ethylene oxide with glycerol are known from DE-20 24 051 as refatting agents for cosmetic preparations.

Possible W / O emulsifiers are: (b1) adducts of 2 to 15 mol of ethylene oxide with castor oil and / or hardened castor oil; (b2) _{partial esters} based on linear, branched, unsaturated or saturated C _12/22 fatty acids, ricinoleic acid and 12-hydroxystearic acid and glycerol, polyglycerol, pentaerythritol, dipentaerythritol, sugar alcohols (e.g. sorbitol) and polyglucosides (e.g. cellulose); (b3) trialkyl phosphates; (b4) wool wax alcohols; (b5) polysiloxane-polyalkyl-polyether copolymers or corresponding derivatives; (b6) mixed esters of pentaerythritol, fatty acids, citric acid and fatty alcohol according to DE-PS 11 65 574 and (b7) polyalkylene glycols.

Suitable cationic polymers are, for example, cationic cellulose derivatives, cationic Strong, copolymers of diallyl ammonium salts and acrylamides, quaternized vinyl pyrrolidone / Vinylimidazole polymers such as B. Luviquat ™ (BASF AG), condensation products of polyglycols and amines, quaternized collagen polypeptides such as "Lauryldimonium-hydroxypropyl-hydrolyzed-collagen" (Lamequat TM L, Grünau GmbH) or "Lauryldimmonium-hydroxypropyl-hydroxylayed-wheat-protein" (Gluadin ™ WQ, Grünau GmbH), polyethyleneimine, cationic silicone polymers such as B. Amidomethicone or Dow Coming, Dow Coming Co./US, copolymers of adipic acid and dimethylaminohydroxypropyl-diethylenetriamine (Cartaretine ™, Sandoz / CH), polyaminopolyamides such as e.g. B. described in FR 22 52 840-A and their crosslinked water-soluble polymers, cationic Chitin derivatives such as quaternized chitosan, optionally microcrystalline distributed, cationic guar gum such as B. Jaguar ™ CBS, Jaguar ™ C-17, Jaguar ™ C-16 (Celanese) or Cosmedia Guar ™ C 261 (Henkel KGaA), quaternized ammonium salt polymers such as B. Mirapol ™ A-15, Mirapol ™ AD-1, Mirapol ™ AZ-1 from Miranol / US. Suitable silicone compounds are, for example, dimethylpolysiloxanes, methylphenylpolysiloxanes, cyclic silicones as well as amino, fatty acid, alcohol, polyether, epoxy, fluorine and / or alkyl modified silicone compounds. Substances can be used as superfatting agents such as polyethoxylated lanolin derivatives, lecithin derivatives, polyol fatty acid esters, Monoglycerides and fatty acid alkanolamides are used, the latter also serve as foam stabilizers. Typical examples of fats are glycerides, as Waxes come u. a. Beeswax, paraffin wax or micro waxes if necessary in Combination with hydrophilic waxes, e.g. B. Cetylstearyl alcohol in question. As stabilizers can metal salts of fatty acids such. B. magnesium, aluminum and / or zinc stearate be used. Titanium dioxide is an example of a pigment. Among biogenic Active ingredients are understood as plant extracts and vitamin complexes z. As Preservatives are suitable, for example, phenoxyethanol, formaldehyde solution, parabens, Pentanediol or sorbic acid. The dyes can be used for cosmetic purposes Suitable and approved substances are used, such as in the Publication "Cosmetic Dyes" by the Dye Commission of the German Research Foundation, Verlag Chemie, Weinheim, 1984, pp. 81-106 are compiled. This Dye are usually in concentrations of 0.001 to 0.1 wt .-%, based on the entire mixture. The total proportion of auxiliaries and additives can range from 1 to 50, preferably 5 to 40 wt .-% - based on the means - amount.

Finally, the shaped soap products according to the invention can contain fragrances and others Contain conventional auxiliaries and additives in an amount of up to 5 wt .-%. suitable Auxiliaries are e.g. B. binders or plasticizers. As such, z. B. glycerin, Fatty acid partial glycerides or fatty alcohols with 12-22 carbon atoms.

Other auxiliaries are e.g. B. dyes, antimicrobial substances, deodorant active ingredients, pigments (TiO ₂ ), optical brighteners and complexing agents.

The production of the shaped soap products according to the invention can be carried out for soaps done in the usual way. First, a fatty acid mixture and sodium hydroxide solution become one Basic soap with a solids content of 25-50 wt .-% and a solids content concentrated from 50-70 wt .-%. In this z. B. 60% basic soap can already talc, optionally also free fatty acid, a nonionic surfactant and a complexing agent to be mixed in. Then the basic soap is z. B. in a vacuum expansion dryer further dewatered at 120 ° C to 130 ° C. The soap cools during expansion spontaneously decreases to temperatures below 60 ° C and becomes solid. Soap noodles fall with you Solids content of 73-85 wt .-%.

The further processing of this basic soap is then made up into fine soap. It takes place in a soap mixer, in which a slurry from the or the nonionic surfactants and the other auxiliaries and additives are mixed into the soap noodles. there the basic soap noodles and the slurry from or the nonionic surfactants and z. B. fragrances, dyes, pigments and other auxiliaries in a screw mixer intensively mixed with perforated sieves and finally discharged via an extruder and possibly fed to a bar press if soap bars are to be produced.

Shaped soap products in the sense of the invention can also be used as noodles, needles, Granules, extrudates, flakes and in any other shape customary for soap products available.

As an alternative to the described method, the talc can only be used during packaging be worked into the 73-85% basic soap. In this case, the talcum powder via suitable dosing devices, e.g. B. belt scale and shaker with simultaneously the slurry of non-ionic surfactants, fragrances and auxiliary agents the soap mixer fed.

The soap products according to the invention are notable for a particularly smooth surface from what is particularly noticeable when processed into bar soap makes. A lot of fine-bubble, creamy foam forms when in use. In hard water Although lime soap precipitates also form, these remain dispersed in the solution and do not appear as greasy gray spots or cheesy on hard surfaces Edge, but at most as a light, finely divided veil.

The following examples are intended to illustrate the invention without restricting it. basic soaps Wt .-% sodium tallowate 67.80 Sodium cocoat / sodium palm kernel fatty acid salts 16.95 NaCl 0.40 EDTA 0.20 Natriumetidronat 0.09 glycerin 2.50 water ad 100.00 example 1 Wt .-% cocoamidopropylamine 31.00 stearic acid 23.00 basic soaps 11.00 paraffin 8.00 coconut 3.00 paraffin 2.00 Polyethylene glycol-150 2.00 talc 5.00 TiO ₂ 0.50 panthenol 0.15 Wool alcohol 0.10 water ad 100.00

The basic soap noodles are mixed with the other components in a conventional soap mixer (Screw mixer with perforated sieve) dosed, homogenized by repeated mixing, discharged via an extrusion press, cut and cut into pieces in the usual way processed.

Claims (7)

1. Shaped soap product comprising

   talc,

   one or more fatty acids having 12-22 carbon atoms in the form of their alkali soaps,

   one or more nonionic surfactants chosen from the group of alcohols, of alkanolamides, such as cocamides MEA/DEA/MIPA, of amine oxides, such as cocamidopropylamine oxide, of esters which are formed by esterification of carboxylic acids with ethylene oxide, glycerol, sorbitol or other alcohols, of ethers, for example ethoxylated/propoxylated alcohols, ethoxylated/propoxylated esters, ethoxylated/propoxylated glycerol esters, ethoxylated/propoxylated cholesterols, ethoxylated/propoxylated triglyceride esters, ethoxylated/propoxylated lanolin, ethoxylated/propoxylated polysiloxanes, propoxylated POE ethers and alkyl polyglycosides, such as lauryl glucoside, decyl glycoside and cocoglycoside, of sucrose esters, of sucrose ethers, of polyglycerol esters, diglycerol esters, monoglycerol esters, of methylglucose esters, esters of hydroxy acids,

   additionally 5-30% by weight of free fatty acids having 12-22 carbon atoms

   less than 1% by weight of alkyl (oligo)glycosides.
2. Soap product according to Claim 1, characterized in that the fatty acids in the form of alkali soaps are composed of 50-80% by weight of C₁₆-C₁₈-fatty acids and from 20-50% by weight of C₁₂-C₁₄-fatty acids.
3. Soap product according to Claim 1, characterized in that it comprises 20-50% by weight of nonionic surfactants.
4. Soap product according to Claim 1, characterized in that it comprises 1 - 20% by weight of talc.
5. Soap product according to Claim 1, characterized in that it comprises 5 - 40% by weight of fatty acids having 12-22 carbon atoms, in the form of their alkali soaps, in particular a base soap, for example one whose soap constituents are composed of sodium tallowate, sodium cocoate and sodium palm kernel fatty acid salt.
6. Soap product according to Claim 1, characterized in that it comprises water in an amount of from 5-35% by weight.
7. Soap product according to Claim 1, characterized in that it comprises up to 15% by weight of synthetic, cationic, anionic, zwitterionic or ampholytic surfactants.