The carboxylic acid containing monomer can be selected from the group consisting of: acrylic acid, methacrylic acid, itaconic acid or maleic acid, and mixtures thereof. Preferably n is between 2 and 50, more preferably between 8 and 30, most preferably between 10 and The thickening polymer is preferably not crosslinked. The monomers can be randomly distributed or distributed in blocks, though random is preferred for improved thickening. Preferably the thickening polymer comprises 0.
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The carboxylic acid containing monomer can be selected from the group consisting of: acrylic acid, methacrylic acid, itaconic acid or maleic acid, and mixtures thereof. Preferably n is between 2 and 50, more preferably between 8 and 30, most preferably between 10 and The thickening polymer is preferably not crosslinked.
The monomers can be randomly distributed or distributed in blocks, though random is preferred for improved thickening. Preferably the thickening polymer comprises 0.
The thickening polymer preferably has a weight average molecular weight of from 50, Da to 2,, Da, more preferably from , Da to 1,, Da, most preferably from , Da to , Da. The nonionic surfactant can be selected from the group consisting of: alkoxylated nonionic surfactants, alkyl polyglycosides, amine oxides, and mixture thereof.
Typically, the liquid hard surface cleaning composition may comprise from 1. Suitable alkoxylated nonionic surfactants include primary C6-C16 alcohol polyglycol ether i. When referred to for example C it is meant average carbons and alternative reference to for example EO8 is meant average ethylene oxide units.
Suitable alkoxylated nonionic surfactants are according to the formula RO- A nH, wherein: R is a C6 to C18, preferably a C8 to C16, more preferably a C8 to C12 alkyl chain, or a C6 to C28 alkyl benzene chain; A is an ethoxy or propoxy or butoxy unit, and wherein n is from 1 to 30, preferably from 1 to 15 and, more preferably from 4 to 12 even more preferably from 5 to Preferred R chains for use herein are the C8 to C22 alkyl chains.
Even more preferred R chains for use herein are the C9 to C12 alkyl chains. R can be linear or branched alkyl chain. Suitable chemical processes for preparing the alkoxylated nonionic surfactants for use herein include condensation of corresponding alcohols with alkylene oxide, in the desired proportions. Such processes are well known to the person skilled in the art and have been extensively described in the art, including the OXO process and various derivatives thereof.
Alternatively, suitable alkoxylated nonionic surfactants can be prepared by other processes such as the Ziegler process, in addition to derivatives of the OXO or Ziegler processes.
Preferably, said alkoxylated nonionic surfactant is selected from the group consisting of alkoxylated nonionic surfactants and mixtures thereof. Alkyl polyglycosides are biodegradable nonionic surfactants which are well known in the art, and can also be used in the compositions of the present invention. Suitable amine oxide surfactants include: R1R2R3NO wherein each of R1, R2 and R3 is independently a saturated or unsaturated, substituted or unsubstituted, linear or branched hydrocarbon chain having from 10 to 30 carbon atoms.
Preferred amine oxide surfactants are amine oxides having the following formula: R1R2R3NO wherein R1 is an hydrocarbon chain comprising from 1 to 30 carbon atoms, preferably from 6 to 20, more preferably from 8 to 16 and wherein R2 and R3 are independently saturated or unsaturated, substituted or unsubstituted, linear or branched hydrocarbon chains comprising from 1 to 4 carbon atoms, preferably from 1 to 3 carbon atoms, and more preferably are methyl groups.
R1 may be a saturated or unsaturated, substituted or unsubstituted linear or branched hydrocarbon chain. Preferably, the liquid hard surface cleaning composition comprises from 0. Anionic Surfactant: The liquid hard surface cleaning composition can comprise low levels of an anionic surfactant. The anionic surfactant can be selected from the group consisting of: an alkyl sulphate, an alkyl alkoxylated sulphate, a sulphonic acid or sulphonate surfactant, and mixtures thereof. The liquid hard surface cleaning composition can comprise up to 2.
In most preferred embodiments, the composition is essentially free, or free of, of anionic surfactant. If anionic surfactant is used, alkyl ethoxylated sulphates, especially those with an ethoxylation degree of 1 to 8, preferably 2 to 5, are preferred.
Suitable alkyl sulphates for use herein include water-soluble salts or acids of the formula ROSO3M wherein R is a C6-C18 linear or branched, saturated or unsaturated alkyl group, preferably a C8-C16 alkyl group and more preferably a CC16 alkyl group, and M is H or a cation, e.
Suitable sulphonated anionic surfactants for use herein are all those commonly known by those skilled in the art. Preferably, the sulphonated anionic surfactants for use herein are selected from the group consisting of: alkyl sulphonates; alkyl aryl sulphonates; naphthalene sulphonates; alkyl alkoxylated sulphonates; and C6-C16 alkyl alkoxylated linear or branched diphenyl oxide disulphonates; and mixtures thereof.
Suitable alkyl sulphonates for use herein include water-soluble salts or acids of the formula RSO3M wherein R is a C6-C18 linear or branched, saturated or unsaturated alkyl group, preferably a C8-C16 alkyl group and more preferably a CC16 alkyl group, and M is H or a cation, e. Suitable alkyl aryl sulphonates for use herein include water-soluble salts or acids of the formula RSO3M wherein R is an aryl, preferably a benzyl, substituted by a C6-C18 linear or branched saturated or unsaturated alkyl group, preferably a C8-C16 alkyl group and more preferably a CC16 alkyl group, and M is H or a cation, e.
Suitable alkoxylated sulphonate surfactants for use herein are according to the formula R A mSO3M, wherein R is an unsubstituted C6-C18 alkyl, hydroxyalkyl or alkyl aryl group, having a linear or branched C6-C18 alkyl component, preferably a C8-C16 alkyl or hydroxyalkyl, more preferably CC16 alkyl or hydroxyalkyl, and A is an ethoxy or propoxy or butoxy unit, and m is greater than zero, typically between 0.
Alkyl ethoxylated sulphonates, alkyl butoxylated sulphonates as well as alkyl propoxylated sulphonates are contemplated herein. Specific examples of substituted ammonium cations include methyl-, dimethyl-, trimethyl-ammonium and quaternary ammonium cations, such as tetramethyl-ammonium, dimethyl piperidinium and cations derived from alkanolamines such as ethylamine, diethylamine, triethylamine, mixtures thereof, and the like.
Exemplary surfactants are CC18 alkyl polyethoxylate 1. More preferably, the hard surface cleaning composition can comprise from 0. Suitable zwitterionic surfactants typically contain both cationic and anionic groups in substantially equivalent proportions so as to be electrically neutral at the pH of use, and are well known in the art. Amphoteric surfactants can be either cationic or anionic depending upon the pH of the composition. Suitable amphoteric surfactants include dodecylbeta-alanine, N-alkyltaurines such as the one prepared by reacting dodecylamine with sodium isethionate, as taught in U.
Optional Ingredients: Chelating Agent: The liquid hard surface cleaning composition can comprise a chelating agent or crystal growth inhibitor. Suitable chelating agents, in combination with the surfactant system, improve the shine benefit. Chelating agent can be incorporated into the compositions in amounts ranging from 0. Suitable phosphonate chelating agents include ethylene diamine tetra methylene phosphonates, and diethylene triamine penta methylene phosphonates DTPMP , and can be present either in their acid form or as salts.
Suitable amino carboxylates include ethylene diamine tetra acetates, diethylene triamine pentaacetates, diethylene triamine pentaacetate DTPA , N-hydroxyethylethylenediamine triacetates, nitrilotriacetates, ethylenediamine tetrapropionates, triethylenetetraaminehexa-acetates, ethanoldiglycines, and methyl glycine diacetic acid MGDA , both in their acid form, or in their alkali metal, ammonium, and substituted ammonium salt forms.
Further carboxylate chelating agents for use herein include salicylic acid, aspartic acid, glutamic acid, glycine, malonic acid or mixtures thereof. Additional Polymers: The liquid hard surface cleaning composition may comprise an additional polymer.
Suitable polymers for use herein are disclosed in co-pending EP patent application EP Typically, the liquid hard surface cleaning composition may comprise from 0. Fatty acids are less preferred since they can affect the performance of many antimicrobial agents. If present, the fatty acid is preferably present at low levels of less than 0. Preferred fatty acids for use herein contain from 8 to 22, preferably from 8 to 20 and more preferably from 8 to 18 carbon atoms.
Suitable fatty acids may be selected from caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, and mixtures of fatty acids suitably hardened, derived from natural sources such as plant or animal esters e. Typically, the liquid hard surface cleaning composition may comprise up to 6. Typically, the liquid hard surface cleaning composition may comprise up to 2. Solvent: The liquid compositions of the present invention may comprise a solvent or mixtures thereof as a preferred optional ingredient.
Suitable solvent is selected from the group consisting of: ethers and diethers having from 4 to 14 carbon atoms; glycols or alkoxylated glycols; alkoxylated aromatic alcohols; aromatic alcohols; alkoxylated aliphatic alcohols; aliphatic alcohols; C8-C14 alkyl and cycloalkyl hydrocarbons and halohydrocarbons; C6-C16 glycol ethers; terpenes; and mixtures thereof. Ethers such as n-butoxypropanol and glycol ethers such as dipropylene glycol n-butyl ether are particularly preferred.
When present, the solvent can be present at a level of from 0. Other Optional Ingredients: The liquid hard surface cleaning compositions may comprise a variety of other optional ingredients depending on the technical benefit aimed for and the surface treated. In particular, the compositions are particularly suited for reducing or removing antimicrobial activity from the surface, and for cleaning when an amine oxide surfactant, other nonionic surfactant, and mixtures thereof is present.
For general cleaning, especially of floors, the preferred method of cleaning comprises the steps of: a diluting a liquid hard surface cleaning described herein, to a dilution level of from 0. In preferred embodiments, the liquid hard surface cleaning composition may be diluted to a level of from 0. The liquid hard surface cleaning composition may be diluted to a level of from 0.
In preferred embodiments, the liquid hard surface cleaning composition is diluted with water. The dilution level is expressed as a percent defined as the fraction of the liquid hard surface cleaning composition, by volume, with respect to the total amount of the diluted composition. The diluted composition can be applied by any suitable means, including using a mop, sponge, or other suitable implement.
The hard surface may be rinsed, preferably with clean water, in an optional further step, and also as a further step, wiped, such as with a cloth.
Alternatively, and especially for particularly dirty or greasy spots, or spots which have been contacted by microbes, the liquid hard surface cleaning compositions, can be applied neat to the hard surface. When amine oxide and a further non-ionic surfactant is present, the composition provides improves penetration and removal of the stain, and especially of greasy stains, leading to improved surfactancy action and stain removal, as well as improved hygiene.
The compositions of the present invention can also be used for improving surface shine, since the beading of the composition results in less residue formation on the treated surface, and also greater removal of residues when the surface is wiped. The samples are prepared to be essentially free of bubbles, either by ensuring limited or no bubble entrainment during making, or by using suitable methods known in the Art, for removing the bubbles.
The area under the signal is proportional to the number of protons that signal corresponds to. It is important to realize that the compositional information represents a global average and provides no details regarding the compositional heterogeneity within the population of polymer chains.
FIELD OF THE INVENTION
Gel network surfactant based thickening systems for hair colourant and bleaching compositions. For example, the oxidizing agents used for bleaching and oxidative dyeing damage hair to some extent. Oxydative dye 9 for keratin fibres comprising a para-aminophenol and dipropylene glycol. The compositions of the present invention may comprise oxidative hair dye precursors. Precursors can be used with couplers. The first contains the hair-swelling agent e. A composition according to claim 1 wherein the composition comprises a mixture of said ester phosphates of alkoxylated fatty alcohols with said ester phosphates of non-alkoxylated fatty alcohols.
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