WO1994019442A1 - Composition de toilette - Google Patents
Composition de toilette Download PDFInfo
- Publication number
- WO1994019442A1 WO1994019442A1 PCT/EP1994/000491 EP9400491W WO9419442A1 WO 1994019442 A1 WO1994019442 A1 WO 1994019442A1 EP 9400491 W EP9400491 W EP 9400491W WO 9419442 A1 WO9419442 A1 WO 9419442A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- toilet bar
- polymer
- bar
- oil
- toilet
- Prior art date
Links
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
- A61K8/81—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
- A61K8/8152—Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; 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
- A61Q19/10—Washing or bathing preparations
-
- 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
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/0047—Detergents in the form of bars or tablets
- C11D17/006—Detergents in the form of bars or tablets containing mainly surfactants, but no builders, e.g. syndet bar
-
- 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
Definitions
- the present invention relates to a toiletries composition in the form of a toilet bar, and to a method of preparation of such a toilet bar.
- 'toilet bar' denotes a substantially solid bar comprising soap and/or detergent. Such a bar is to be distinguished from liquid soaps and liquid detergent formulations.
- 'toilet bar' as used herein denotes a bar having a total surfactant content (whether soap and/or detergent) of at least 30% by weight and a water content of not more than 20% by weight.
- the present Applicant (The Boots Company PLC) has marketed soap bars comprising about 0.25% by weight of a cold cream concentrate comprising beeswax, light liquid paraffin, borax, chloroxylenol and water.
- the Applicant has also marketed soap bars comprising between 1 and 2% of mineral oil (so-called 'Baby Soaps' ) .
- blends were described as viscosifying, rheology altering, suspending/stabilising, gelling, conditioning (when cationic copolymers used) and opacifying.
- Various formulations were listed, including a liquid hand soap, post-perm conditioner, protein conditioner, moisturising lotion (in combination with Lanolin Alcohol and PEG-75 Lanolin) and hair conditioner.
- EP-A-0526520 discloses a skin-cleansing composition comprising a non-water-soluble acrylate polmer that is soluble in poorly hydrogen bonding solvents or solvent blends.
- EP-A-0186148 discloses a toilet soap comprising a homopolymer of acrylic acid as a thickener.
- a toilet bar comprising a hydrophilic acrylic polymer comprising at least 10% by monomer mole ratio of monomer residues of formula I
- R ⁇ to R ⁇ are each independently C- j __4 alkyl and n is an integer from 1 to 4 and X is a counter ion, such as a chloride or bromide ion; said polymer being present in the toilet bar in an amount sufficient to generate a moisturising lather when the bar is used with water and/or to reduce skin irritation.
- the toilet bar generates an excellent creamy, moisturising lather in use, with excellent substantivity.
- n is 2 and preferably R- j _ to R 4 are each methyl.
- the polymer is a homopoly er, comprising substantially 100% monomer residues of formula I.
- the polymer may be a copolymer of monomers based on formula I with other acrylate monomers, for example 2-propenamide.
- polymer as used herein includes homopolymers and copolymers.
- the polymer may be an ionic copolymer, preferably made up of ionic and non-ionic monomer units.
- the polymer material is particulate and has a particle diameter range of from about 0.1 to about 2.0 microns, suitably from about 0.5 to about 1.0 microns, swelling to a range from about 0.5 to about 10 microns, suitably about 2.5 to about 5.0 microns when added to water.
- the polymer is cross-linked.
- the ' toilet bar further comprises an oil, suitably in the form of a medicinal grade white oil, suitably a vegetable oil, an ester, a silicone oil and/or a mineral oil such as a paraffin oil.
- a medicinal grade white oil suitably a vegetable oil, an ester, a silicone oil and/or a mineral oil such as a paraffin oil.
- the polymer is substantially insoluble in the oil.
- the polymer is present in the bar in an amount of from about 0.05 to 5% by weight.
- the oil is present in the bar in an amount of from about 0.05 to 5% by weight.
- the polymer and any oil are present in a ratio of between 5:1 to 1:5 suitably between about 2:1 to 1:2, preferably about 1:1 by weight.
- the toilet bar further comprises an activator in the form of a high HLB (hydrophilic/lipophilic balance) non-ionic surfactant such as a fatty alcohol ethoxylate.
- HLB hydrophilic/lipophilic balance
- a preferred source of both the polymer and the oil (in suitable proportions), is one or more of the formulations available under the trade name 'Salcare' from Allied Colloids, Bradford, UK.
- the polymer/oil blend 'Salcare SC91' includes an anionic acrylic copolymer, whilst the polymer/oil blend 'Salcare SC92' includes a cationic acrylic copolymer and the polymer/oil blend "Salcare SC95" includes a cationic acrylic homopoly er.
- the toilet bar comprises between 0.1% and 10%, suitably between about 0.25% and 5%, suitably about 3% by weight of 'Salcare SC91', 'Salcare SC92' or "Salcare SC95", or a combination thereof.
- the polymer/oil blend “Salcare SC92” comprises a cationic acrylic copolymer (having the CTFA designation "polyquaternium 32") dispersed in a medicinal grade white oil. More specifically it comprises a copolymer of ethanaminium,N,N,N-trimethyl-2-[ (2-methyl-l-oxo-2- propenyl)oxy] -chloride and 2-propenamide (CAS Number 35429-19-7) as a 50% dispersion in a carrier mineral oil meeting the requirements of 21 CFR Part 178.3620(a) and USP. It further comprises approximately 6% of a fatty alcohol ethoxylate as activator.
- the blend is manufactured by water-in-oil dispersion polymerisation.
- the polymer/oil blend “Salcare SC95” comprises a cationic acrylic homopolymer (having the CTFA designation "polyquaternium 37") dispersed in a medicinal grade white oil. More specifically it comprises a polymer of ethanaminium-N,N,N-trimethyl-2-
- the toilet bar of the present invention has a reduced skin irritancy (as measured, for example, by the so-called "Zein” test) .
- the toilet bar may comprise soap, detergent or a combination of both.
- a method for producing a toilet bar as defined above by combining an effective amount of a polymer as defined above with soap and/or detergent as desired.
- the polymer is added as a copolymer/mineral oil blend, such as the blend available from Allied Colloids (UK) under the trade name "Salcare”.
- the invention provides a toilet bar comprising a hydrophilic acrylic polymer and a mineral oil.
- a hydrophilic acrylic polymer and a mineral oil.
- the polymer is part-neutralised polyacrylic acid.
- 'soap' denotes the alkali metal or alkanol ammonium salts of aliphatic alkane monocarboxylic acids or alkene monocarbocylic acids, such as sodium, potassium, mono-ethanol ammonium cations, di-ethanol ammonium cations and tri-ethanol ammonium cations, or mixtures thereof.
- Sodium soaps are normally preferred but up to about 25% of the soaps used may be potassium soaps.
- the soaps are alkali metal salts of natural or synthetic alkanoic or alkenoic acids having from about 12 to 20 carbon atoms, preferably from about 12 to 18 carbon atoms.
- soaps having the fatty acid distribution of coconut oil may be used to supply the lower end of the broad molecular weight range.
- Soaps having the fatty acid distribution of tallow or palm oil may be used to supply the corresponding upper end of the range.
- Preferred soaps have the fatty acid distribution of coconut oil or tallow, or mixtures thereof.
- coconut oil soap the proportion of fatty acids having at least 12 carbon atoms is about 85%. This proportion will be greater when mixtures of coconut oil and fats such as tallow, palm oil, or non-tropical nut oils or fats are used, since in the latter oils/fats the principal chain lengths are C- ⁇ g and higher.
- Preferred soap for use in the present compositions has at least about 85% fatty acids having 12 to 18 carbon atoms.
- Coconut oil employed for the soap may be substituted in whole or in part by other "high-lauric” oils, that is, oils or fats in which at least 50% of the total fatty acids are lauric or rrryristic acids.
- oils are provided by the tropical nut oils of the coconut oil class, such as palm kernel oil, cohune oil, ouricuri oil, khakan kernel oil, tucum oil, murumuru oil, jaboty kernel oil, dika nut oil and babassu oil.
- the soap used is a mixture of about 10% to about 50% coconut oil and about 50% to about 90% tallow. These mixtures typically contain about 95% fatty acids having from about 12 to 18 carbon atoms.
- the soaps may exhibit unsaturation but high levels of unsaturation are undesirable.
- Soaps may be manufactured by the traditional "kettle boiling process” or more contemporary continuous soap manufacturing process in which natural oils and fats such as tallow or coconut oil or their equivalents are saponified by use of an alkali metal hydroxide in the manner well known to the skilled worker.
- the soaps may be made by neutralising fatty acids, such as lauric (C ⁇ ) * myristic (C- ⁇ ) , palmitic (C 16 ) or stearic (C 18 ) acids by use of an alkali metal hydroxide or carbonate.
- Detergents other than soap may be present in the composition either in addition to or in place of soap.
- Detergents may be selected from the alkali metal, magnesium or ammonium salts of C 12 - C 16 hydroxyalkane sulfonates, Cg - C- j _g acyl isethionates, Cg - C lg N-acyl taurinates, C 12 - C 18 alkyl sulfates, C-_ 2 ⁇ C lg alkyl ether sulfates, C- ⁇ ⁇ i alkyl phosphonates and phosphates, C- j _2 - ⁇ g mono-alkyl succinates and aleates, Cg - C- ⁇ dialkylsulfo-succinates, C ⁇ g - C 2Q alkane disulfonates, Cg - C- ] _ alkene sulfonates, and Cg- C ⁇ g sarcosinates
- Such detergents may act as skin mildness improvers and may be present in an amount of from about 0.5% to about 50% by weight of the bar, suitably from about 1% to about 25% by weight, preferably from about 2% to about 15% by weight, suitably from about 6% to about 15% by weight.
- a foam-boosting detergent salt may be incorporated, such as an alkali metal or organic amine higher aliphatic fatty alcohol sulfate, alkyl aryl sulfonate, or a higher aliphatic fatty acid taurinate.
- a superfatting agent may be included to further enhance the lathering properties, for example, a Cg - C-
- a superfatting agent is included in an amount of up to 25% by weight of the composition.
- stearic acid may be incorporated to give enhanced skin feel and improved creaminess.
- Preservatives may be included, such as organic sequestrants (e.g. EDTA and EHDP (ethanehydroxydiphos- phonic acid)), magnesium suphate and sodium silicate.
- organic sequestrants e.g. EDTA and EHDP (ethanehydroxydiphos- phonic acid)
- magnesium suphate and sodium silicate e.g., magnesium suphate and sodium silicate.
- such preservatives are included in an amount of from 0.05% to 1% by weight, for example, about 0.1% by weight.
- Fragrance may be included, suitably in an amount of from 0.25% to 2% by weight, for example, about 1% by weight.
- Colouring agents may be included, such as water soluble dyes and/or pigments and pearlising agents such as titanium coated micas.
- Colouring agents are included in an amount of from 0.0001% to 0.01% by weight, for example, about 0.001% by weight.
- Opacifying agents may be included, such as titanium dioxide, zinc oxide and magnesium carbonate.
- opacifying agents are included in an amount of from 0.01% to 2% by weight, for example, about 0.2% by weight.
- Optical brightening agents may be included, such as disodium distyrylbiphenyl disulphonate (e.g. available under the trade name 'Tinopal CBS-X').
- disodium distyrylbiphenyl disulphonate e.g. available under the trade name 'Tinopal CBS-X'
- such brightening agents are included in an amount of from 0.0005% to 0.01% by weight, for example, about 0.005% by weight.
- Germicides may be included, such as triclosan, 3,4,4'-trichlorocarb-anilide and 3,4, 5-tribromo- salicylanilide. Suitably, these are included in an amount of from about 0.1% to 5% by weight, for example, about 1.5% by weight. Where triclosan is present, it is preferably included in an amount of about 0.3% by weight.
- Scum dispersants may be included, such as sodium alkylbenzene sulphonates. Suitably, these are included in an amount of from about 0.5% to 10% by weight, for example, about 5% by weight.
- Humectants may be included, such as glycerin. Suitably, these are included in an amount of from about 0.5% to 10% by weight, for example, about 2% by weight.
- the invention also provides the use of a copolymer or copolymer/oil blend as defined above in a toilet bar to confer moisturising properties in use.
- the polymer of the present invention reduces the skin irritancy of toilet bars.
- a polymer or polymer/oil blend as defined above to reduce the skin irritancy of a chemical composition, preferably a toiletries or cosmetics composition such as a toilet bar.
- a soap toilet bar was formulated as follows:
- the 'Salcare' copolymer/oil blend, dye, titanium dioxide, EDTA and perfume were added to the soap noodles and mixed with a spatula until the noodles were evenly coated with the ingredients. The coated noodles were then milled to ensure thorough mixing before being plodded and stamped to provide the toilet bar.
- a soap toilet bar was formulated as follows:
- the 'Salcare' copolymer/oil blend, dye, titanium dioxide, EDTA and perfume were added to the soap noodles and mixed with a spatula until the noodles were evenly coated with the ingredients. The coated noodles were then milled to ensure thorough mixing before being plodded and stamped to provide the toilet bar.
- a soap toilet bar was formulated as follows:
- Toilet soap noodles 94.74 sodium tallowate, sodium cocoate
- Perfume 1.0 Blend of anionic acrylic copolymer and 3.0 mineral oil available from Allied Colloids, UK, under the trade name "Salcare SC91"
- the "Salcare" copolymer/oil blend, dye, titanium dioxide, EDTA and perfume were added to the soap noodles and mixed with a spatula until the noodles were evently coated with the ingredients. The coated noodles were then milled to ensure thorough mixing before being plodded and stamped to provide the toilet bar.
- a soap toilet bar was formulated in the manner described above to the following composition:
- Blend of cationic acrylic copolymer and 3 . 0 mineral oil available from Allied Colloids, UK, under the trade name "Salcare SC92"
- a detergent toilet bar was formulated in the manner described above to the following composition:
- Component % by weight Blend of sodium cocoylisethionate, sodium lauryl sulphosuccinate, superfatting and binding agents available under the trade name 'Tensianol 399 SCI/LSA'
- 97.75 Blend of anionic acrylic copolymer and mineral oil available from Allied Calloids, UK, under the trade name 'Salcare SC91'
- a soap toilet bar was formulated in the manner described above to the following composition:
- Titanium dioxide (available under the 1.0 Trade Designation "A-HR") Tetrasodium EDTA 0.26
- the toilet bar produced was observed to become less 'mushy' in use compared to corresponding toilet bars produced without the 'Salcare' blend of polymer and mineral oil.
- a lower zein number predicts reduced skin irritation/skin roughness when a particular surfactant solution is applied to skin.
- this test suggests that a toilet bar prepared in accordance with the present invention will exhibit reduced skin irritancy in use.
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- Public Health (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
Barre de toilette comportant du savon et/ou un détergent ainsi qu'un copolymère acrylique ionique hydrophile en une quantité suffisante pour créer une mousse hydratante lorqu'on utilise le produit avec de l'eau, et/ou pour atténuer l'irritation/la rugosité de la peau. Le produit comporte également de préférence une huile blanche médicinale.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU62040/94A AU6204094A (en) | 1993-02-20 | 1994-02-18 | Toiletries composition |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB939303444A GB9303444D0 (en) | 1993-02-20 | 1993-02-20 | Toiletries composition |
GB9303444.5 | 1993-02-20 | ||
GB9320252.1 | 1993-10-01 | ||
GB939320252A GB9320252D0 (en) | 1993-10-01 | 1993-10-01 | Toiletries composition |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994019442A1 true WO1994019442A1 (fr) | 1994-09-01 |
Family
ID=26302490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1994/000491 WO1994019442A1 (fr) | 1993-02-20 | 1994-02-18 | Composition de toilette |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU6204094A (fr) |
WO (1) | WO1994019442A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997032965A1 (fr) * | 1996-03-04 | 1997-09-12 | Unilever Plc | Composition de barres nettoyantes |
WO2006128313A1 (fr) * | 2005-06-02 | 2006-12-07 | Givaudan Sa | Pain de detergent solide |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0186148A2 (fr) * | 1984-12-24 | 1986-07-02 | The B.F. GOODRICH Company | Savonnette contenant un agent d'épaississement polymère |
EP0311343A2 (fr) * | 1987-10-09 | 1989-04-12 | The Procter & Gamble Company | Composition pour la toilette |
US5013486A (en) * | 1989-04-28 | 1991-05-07 | Colgate-Palmolive Company | Detergent bar with improved stain removing and antibacterial properties |
-
1994
- 1994-02-18 WO PCT/EP1994/000491 patent/WO1994019442A1/fr active Application Filing
- 1994-02-18 AU AU62040/94A patent/AU6204094A/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0186148A2 (fr) * | 1984-12-24 | 1986-07-02 | The B.F. GOODRICH Company | Savonnette contenant un agent d'épaississement polymère |
EP0311343A2 (fr) * | 1987-10-09 | 1989-04-12 | The Procter & Gamble Company | Composition pour la toilette |
US5013486A (en) * | 1989-04-28 | 1991-05-07 | Colgate-Palmolive Company | Detergent bar with improved stain removing and antibacterial properties |
Non-Patent Citations (1)
Title |
---|
ANONYMOUS: "Cleanser compositions containg a copolymer of acrylamide and an acrylic quaternary ammonium salt", RESEARCH DISCLOSURE, no. 233, September 1983 (1983-09-01), HAMPSHIRE, pages 298 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997032965A1 (fr) * | 1996-03-04 | 1997-09-12 | Unilever Plc | Composition de barres nettoyantes |
WO2006128313A1 (fr) * | 2005-06-02 | 2006-12-07 | Givaudan Sa | Pain de detergent solide |
Also Published As
Publication number | Publication date |
---|---|
AU6204094A (en) | 1994-09-14 |
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