Classifications

• • 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
  • C11D3/0005—Other compounding ingredients characterised by their effect
  • C11D3/0094—High foaming compositions
• • 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
  • C11D17/0008—Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
  • C11D17/0017—Multi-phase liquid compositions
  • C11D17/0021—Aqueous microemulsions
• • 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
  • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
  • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
• • 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
  • C11D3/18—Hydrocarbons
• • 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
  • C11D3/20—Organic compounds containing oxygen
  • C11D3/2003—Alcohols; Phenols
  • C11D3/2006—Monohydric alcohols
  • C11D3/201—Monohydric alcohols linear
• • 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
  • C11D3/20—Organic compounds containing oxygen
  • C11D3/2068—Ethers
• • 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
  • C11D3/20—Organic compounds containing oxygen
  • C11D3/2075—Carboxylic acids-salts thereof
• • 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
  • C11D3/20—Organic compounds containing oxygen
  • C11D3/2075—Carboxylic acids-salts thereof
  • C11D3/2082—Polycarboxylic acids-salts thereof

Definitions

• the present invention relates to household cleaning products which foam after dispensing.
• Household cleaning products have been provided to consumers by manufacturers in a variety of forms including especially solids and liquids which are commonly diluted in use and rinsed away, and sprays which are commonly applied directly to the surface or article to be cleaned and subsequently rinsed or wiped away.
• Sprays are particularly popular as a product for cleaning hard surfaces such as spray bathroom cleaners used for showers enclosures, tubs, tile, sinks and the like; all purpose spray cleaners used to clean appliances, counters, kitchen sinks, and the like; glass cleaners used for windows, mirrors and the like, and mold and mildew and disinfectant cleaners.
• Sprays are also popular as a product for pretreating fabrics prior to laundering and as rug and carpet cleaners.
• Sprays have the advantage that they permit the broad application of a relatively small amount of a liquid cleaning composition to a surface or article to be cleaned.
• the application of a spray product is easily directed toward an article or surface, however it is often difficult to distinguish areas to which the spray has been applied from areas which have not yet been sprayed.
• Foaming is also desired in the case of liquid or spray products used to clean hard surfaces. With spray bathroom cleaners there is usually ample opportunity for rinsing. However, there is often less opportunity for effective rinsing of all purpose spray cleaners and glass cleaners. Spray products which exhibit good foaming as they are used tend to leave residual foam when wiped from the cleaned article. As a result, spray products used to clean hard surfaces, especially all purpose spray cleaners and glass cleaners, are usually low foaming compositions which tend to leave less residual foam when wiped clean.
• Aerosol containers have found particular application as a means of dispensing a product as a foam.
• aerosol products have suffered from negative public perception due to their perceived adverse environmental effects.
• aerosol foams provide a product which is dispensed in the form of a foam rather than a liquid product which foams as it cleans.
• Post-foaming compositions are known in personal care products particularly as post foaming shave gels. These post foaming compositions have not found application in household cleaning products for a number of practical reasons. In general, these compositions, typified by post-foaming shave gels, must be dispensed from expensive compartmented aerosol packages such as the package shown in Figure 4 of US Patent No. 3,541,581 and the piston package described in US Patent No. 4,913,323. This is due both to the super atmospheric vapor pressure of the compositions which necessitates pressurized packaging and to the thick, non-fluid consistency of the gel which cannot be adequately exhausted from a non compartmented pressurized package.
• Self-leveling, self-foaming liquid compositions which incorporate a dual purpose pressure agent used to both dispense the liquid from a non-compartmented barrier package and to foam the liquid have been described in the art. Such compositions nevertheless exhibit super- atmospheric vapor pressure and must thus be contained in and dispensed from a pressurized package of a barrier material .
• compositions having self-foaming properties contain as self-foaming agents organic liquids whose vapor pressure is sub-atmospheric. However, such compositions exhibit viscosities which make them unsuitable for dispensing from a non-aerosol spray device. Further, such compositions employ high levels of surfactants which are difficult to rinse from a cleaned surface or article and unnecessarily add to product cost.
• compositions contain sub- atmospheric organic liquid compounds having self-foaming properties and relatively high surfactant levels. These compositions use water soluble organic gums as viscosity modifiers to give the shampoo a viscosity in the range of 1000 to 20,000 centistokes at 5°C or the compositions are in the form of gels. In general, liquids with such high viscosities are unsuitable for dispensing as a non-aerosol spray since the high viscosity prevents the liquids from being satisfactorily atomized. Additionally, cleaning compositions containing high levels of surfactants can be difficult to rinse from the cleaned surface and add to the cost of such products .
• compositions which foam spontaneously when the composition is spread out into a thin layer.
• pentane a water- insoluble volatile organic liquid
• aqueous saponaceous composition having a sub-atmospheric vapor pressure
• the composition could be dispensed from an atomizer.
• the composition was not stable in that the pentane did not remain in solution.
• the composition required agitation or shaking immediately prior to use in order to distribute the pentane throughout the composition.
• These compositions also required higher surfactant concentrations to obtain their foaming effects.
• Liquid crystal detergent compositions which incorporate low vapor pressure hydrocarbon solvents for the cleaning of oily soils are described in the art. However, the hydrocarbon solvents required in these compositions are insufficiently volatile to produce a composition that is self-foaming. Other compositions which lack a self-foaming agent exhibit no self-foaming property although the compositions may foam when agitated or when sprayed through a sprayer designed to impart foaming to a liquid.
• the cleaning product remain in the area to which it has been applied until rinsed, wiped or otherwise removed from the article or surface.
• liquid and spray products tend to remain where applied.
• liquids and sprays tend to run and drip.
• this invention is a post-foaming composition
• a post-foaming composition comprising:
• y represents the number of water immiscible compounds in component (c)
• x. represents the mole fraction of a water immiscible compound i in component (c)
• P ⁇ represents the vapor pressure of said water-immiscible compound i at 22° C
• R 1 is C 1 -C 6 alkyl
• R 2 is H or methyl and n is a number f rom 1 to 3 ,
• R 3 , R 4 and R 5 are each either H or C j -C. alkyl provided that the total number of carbon atoms in , R 4 and R 5 is 3 to 7 , and
• the relative amounts of components (a) -(d) being selected such that the composition is in the form of a liquid oil- in-water microemulsion.
• the composition of this invention may be dispensed as a non-foamed liquid spray. Some period of time after dispensing, which is usually in the order of about 1 to 20 seconds, the sprayed composition foams. In this way, the surface onto which the composition is sprayed can be readily identified. Furthermore, the composition of this invention is storage stable for a period of 30 days or more and can be packaged in non- pressurized containers. The composition also clings well to vertical surfaces and provides for excellent cleaning.
• this invention is a container having a non-pressurized reservoir and an opening, said reservoir containing the post-foaming composition of the first aspect of the invention, said opening being fitted with a dispensing apparatus which is adapted to be actuated from a closed to an open position wherein when said dispensing apparatus is actuated to an open position, it imparts shear to said post-foaming composition and dispenses it from the container in the form of a liquid, non-foamed spray.
• Water is an essential component of the composition of this invention. Water is necessary to provide both the desired foaming and the lathering qualities and is used in quantities sufficient to obtain a liquid of desired viscosity. Water from any source, including for example, tap water, distilled water, and deionized water is suitable for use in the present invention provided any impurities and additives in the water do not interfere with the functionality of the other components.
• the amount of water in the composition is ultimately determined by the amount of the other essential and optional ingredients included in the composition.
• deionized water is used.
• from about 60 percent to about 98 percent by weight of the composition is water. More preferably, from about 80 percent to about 98% by weight of the total composition is water .
• the composition also contains a surfactant, which performs several functions. It aids in stabilizing the microemulsion and helps to stabilize the foam which forms after the composition is dispensed.
• surfactants which are useful herein have a alkylaryl, alkyl or alkenyl hydrocarbon chain, of from about 10-32 carbon atoms, preferably an alkyl chain of about 10-30 carbon atoms.
• the efficiency of a surfactant in forming microemulsion compositions of the present invention increases as the number of carbon atoms in the alkyl chain increases.
• a surfactant with an alkyl chain containing more than 12 carbon atoms. This contrasts with the normal practice of formulating conventional foaming compositions such as shampoos where an increase in the alkyl chain length of the surfactant beyond 12 carbon atoms results in lower amounts of foaming.
• Useful surfactants used in compositions of the present invention include for example, anionic, caticnic, nonionic, amphoteric, or zwitterionic surfactants or mixtures thereof. Mixtures of an anionic and a nonionic surfactant are preferred.
• Useful anionic surfactants include for example, metal salts of alkylbenzene sulfonates and alkyltoluene sulfonates. Examples of useful anionic surfactants include for example, those having the formula
• R 6 is a linear or branched, inertly substituted, C 12 - C 30 hydrocarbon, preferably a C 12 -C 0 alkyl and alkyltoluene sulfonates having the formula
• R 6 C 6 H 3 ( CH 3 ) S0 3 Na Inert substituent include hydroxyl groups, unsaturated sites, and the like which do not destroy the surface active character of the compound.
• Preferred anionic surfactants include those in which the R 6 group contains 20 to 24 carbon atoms.
• Other useful anionic surfactants include alkyl ethe sulfate surfactants of formula:
• R 10 is an alkyl group of 10-20 carbon atoms and is a number from 0-12.
• Preferred cationic surfactants used in compositions of the present invention include those represented by the formula
• R 7 is a C 10 _ 24 inertly substituted, linear or branched hydrocarbyl, preferably C 16 _ 18 alkyl.
• the surfactant must also be compatible with the other materials employed in the composition including the oxygen-containing cosurfactant, and any optional ingredients such as salts, hydrotropes, antimicrobial agents, acids, fragrance, colorant and the like.
• compatible it is meant that the materials do not engage in an unwanted chemical reaction with each other which adversely affects their ability to perform the desired function in the composition, and that the materials will not phase separate in the composition.
• the amount of surfactant used is selected in conjunction with the amounts and types of the other ingredients so that a stable oil-in-water microemulsion is formed.
• the microemulsion is clear or slightly hazy.
• the surfactant is present in compositions of the present invention in an amount of from about 0.2% to about 20% by weight of the composition.
• the surfactant is present in compositions of the present invention in an amount of from about 0.5% to about 10% by weight. More preferably, the surfactant is present in the compositions in an amount of from about 0.5% to about 7% by weight.
• the surfactant may be used in excess of that amount needed to form a stable microemulsion, but great excesses are not desired as that increases cost and viscosity.
• compositions of the present invention Another essential ingredient in compositions of the present invention is a cosurfactant.
• the cosurfactant lowers the interfacial tension between the oil phase and the water phase and allows formation of microemulsion systems .
• the cosurfactant functions in combination with the surfactant to form a microemulsion incorporating the desired amount and type of self-foaming agent.
• compositions of the present invention may contain combinations of two or more cosurfactants .
• the cosurfactant may also function to aid in cleaning of resistant soils such as hard soap scum in the case of a bathroom cleaner. It is also preferred to use a cosurfactant which has the lowest possible vapor pressure to minimize the content of volatile organic compounds in the composition as a whole.
• Useful cosurfactants include alkylene glycoL ethers having the formula R 1 0(CH_CHR 2 0) r H
• R 1 is C -C 6 alkyl
• R ? is H or methyl
• n is a number from 1 to about 3.
• compositions of the present invention either alone or in combination with the aforementioned cosurfactants include alcohols having the formula
• R 3 , R 4 and R 5 are each either H or C j -C. alkyl provided that the total number of carbon atoms in R 3 , R 4 and R 5 is from 3 to about 9.
• cosurfactants used in forming compositions of the present invention either alone or in combination with the aforementioned cosurfactants include for example, mono- and di-carboxylic acids having an equivalent weight of up to about 88, such as acetic acid, adipic acid, and succinic acid.
• More preferred cosurfactants include glycol ethers such as dipropyleneglycol n-butyl ether, dipropylene glycol n-propyl ether, propyleneglycol n-butyl ether, propyleneglycol n-propyl ether, tripropyleneglycol methyl ether and mixtures thereof .
• glycol ethers such as dipropyleneglycol n-butyl ether, dipropylene glycol n-propyl ether, propyleneglycol n-butyl ether, propyleneglycol n-propyl ether, tripropyleneglycol methyl ether and mixtures thereof .
• compositions of the present invention depends upon the particular surfactant and water immiscible compound which are chosen for a particular composition. Generally, the cosurfactant is present in the composition in an amount of from about 0.1% to about 20%. Preferably, the cosurfactant is present in the composition an amount of from about 0.5% to about 10%. More preferably, from about 1% to about 5% cosurfactant by weight is present in the compositions of the present invention.
• the composition of the invention may contain other additives. Of particular importance are certain water soluble inorganic salts and hydrotropes .
• a water soluble inorganic salt may be added to assist a particular combination of surfactant and cosurfactant in forming the microemulsion of the present invention.
• Salts may be added directly to the composition or formed in situ through the neutralization of an appropriate acidic substance.
• Appropriate acidic substances include for example, citric acid, hydrochloric acid, and sulfuric acid.
• the acid may be neutralized with sodium hydroxide or another appropriate base.
• Preferred salts used in compositions of the present invention include for example, sodium sulfate, sodium bisulfate, magnesium sulfate, sodium citrate, magnesium citrate, sodium carbonate, sodium chloride, and magnesium chloride. These salts, when used may constitute from about 0.1 to about 10% of the weight of the composition.
• Hydrotropes are materials which are used in liquid detergent formulations to solubilize high concentrations of surfactant into an aqueous liquid composition and to suppress the formation of lyotropic liquid crystal phases in aqueous detergent compositions. Since surfactants with alkyl chains containing higher numbers of carbon atoms are generally more susceptible to the formation of liquid crystal phases in aqueous solutions it may be useful to incorporate a hydrotrope into the compositions of the present invention to suppress the formation of liquid crystals and promote the formation of a stable microemulsion. Generally, any compatible hydrotrope may be used in compositions of the present invention.
• Useful hydrotropes include for example, alkylaryl sulfonates with short alkyl chains such as potassium toluene sulfonate, ammonium xylenesulfonate, sodium cumene sulfonate and medium chain alkane sulfonates such as sodium primary octane sulfonate.
• Preferred hydrotropes have an aromatically bound strongly ionic group and no aliphatic hydrocarbon chain of greater than 8, preferably 4, most preferably 2 carbon atoms.
• a particularly preferred hydrotrope is sodium cumene sulfonate.
• the hydrotrope advantageously constitutes about 0.1 to 5 weight % of the composition, on an active basis (i.e., excluding any water or solvent which is added with the hydrotrope) .
• Acids other than those described above as cosurfactants, may be useful in compositions of the present invention. Acids are useful ingredients in many types of hard surface cleaning compositions including for example, bathroom and toilet bowl cleaners. Acids in the composition aid in the removal of hard water stains and soap scum. While no acid is required for the practice of the present invention, any convenient acid may optionally be used. Acids which are useful in compositions of the present invention include for example, organic acids such as citric acid and lactic acid, and inorganic acids such as sodium hydrogen sulfate and hydrochloric acid.
• Antimicrobial agents may also be used in compositions of the present invention
• Antimicrobial agents are commonly incorporated into hard surface cleaners to sanitize or disinfect surfaces to be cleaned.
• any compatible antimicrobial agent known to those skilled in the art may be used in compositions of the present invention.
• Useful antimicrobials include for example, quaternary ammonium compounds, including materials corresponding to the formulae
• R 8 H 5 CH 2 -N(CH,).
• R 1* C1 R lake is a C 10 -C 1B carbon atom branched or linear hydrocarbon and R 9 is a lower alkyl, where R 9 is a C 12 -C 20 alkyl group, including, for example, a mixture of 60% C 14 , 30% C ; 5% C diligent and 5% C 18 or a mixture of R ⁇ is 68% C 12 ; 32% C 14 and R E is hydrogen or a lower alkyl; and materials corresponding to the formula
• R 11 is C 8 -C 10 alkyl
• phenolic antimicrobial agents as for example, ortho-phenylphenol and ortho-benzyl chlorophenol.
• compositions of the present invention may also contain other optional ingredients including perfumes and other water insoluble compounds not included among the aforementioned self foaming agents.
• perfumes and other water insoluble compounds not included among the aforementioned self foaming agents.
• those optional ingredients are water immiscible these form part of the water immiscible compounds (b) and, together with any other water-immiscible compound, must satisfy the relationship set forth above.
• Typical pH ranges for compositions of the present invention are from about pH 1 to about pH 13 depending on the intended cleaning application.
• compositions of the present invention are advantageously stable for a period of at least about 30 days at ambient temperatures, and preferably are stable for a like period over a temperature range of 0°C to 50°C.
• the microemulsion of this invention can be prepared by combining the water and surfactant until the surfactant is dissolved.
• the cosurfactant is then combined with the surfactant mixture and mixed until visually homogeneous.
• the resulting solution is advantageously cooled to from about 0°C to about 10°C and the water immiscible compound(s) (which is preferably also cooled to about 0°C to about 10°C) is added to the mixture and the composition is mixed.
• the composition is then transferred to an appropriate barrier container for storage.
• all of the ingredients of a predetermined microemulsion composition, except the water immiscible compounds, may be combined in an intermediate as described above.
• An appropriate amount of this intermediate may be weighed into a container of barrier material and an appropriate weight of cooled (0 to 10°C) water immiscible compound is added. The container is closed and the water immiscible compound(s) is incorporated into the composition with agitation.
• compositions of the present invention may be packaged in any convenient containers that provide a barrier to the self-foaming agent.
• Useful barrier materials include for example, polyethylene terphthalate (PET) and polyvinylchoride (PVC) .
• PET polyethylene terphthalate
• PVC polyvinylchoride
• the container preferably has a single non-pressurized reservoir in which the product communicates with the head space.
• the reservoir has an opening to the outside which is fitted with a dispensing apparatus.
• the dispensing apparatus is advantageously made to be actuated between an open and closed position.
• the dispensing apparatus when activated, it imparts a shear to the composition contained inside, so that the viscosity drops and it can be atomized and sprayed.
• Such dispensing apparatus are well known and include finger actuated atomizing spray valves and trigger sprayers.
• the dispensing means When in the closed position, the dispensing means should provide a barrier to escape of the contents of the reservoir.
• the composition may be dispensed by any convenient means including for example, by pouring, by squeezing, or by spraying from a trigger sprayer.
• the composition is dispensed through a trigger sprayer, for example, from a model T85NDB trigger sprayer available from Continental Sprayers.
• compositions of the following examples are predetermined by the process described hereinabove.
• This example illustrates a microemulsion composition useful as a disinfectant cleaner.
• the surfactant is dissolved in water at room temperature and the ortho-phenylphenol is dissolved in the cosurfactant, again at room temperature.
• the two solutions are blended together, mixed until homogeneous and then citric acid is added and dissolved.
• the mixture is then cooled to about 5°C.
• Isopentane is separately- cooled to about 5°C and then is added to the mixture and mixed for about 2 minutes.
• the composition is transferred to a PET bottle and sealed with a cap.
• the composition components are:
• Citric acid anhydrous 2.00 Ortho-phenylphenol c 0.20
• composition components are:
• Example 3 illustrates a rapidly foaming disinfectant cleaning composition.
• the composition components are:
• the tridecylbenzene sulfonic acid is dissolved in water at room temperature.
• Sodium cumene sulfonate is added and mixed until dissolved.
• the ortho-phenylphenol is dissolved in the ether cosurfactant; the resulting solution is added to the surfactant solution and mixed.
• Sodium hydroxide is gradually added to obtain a pH of from between about 5 to about 9.
• Citric acid and sodium sulfate are added and the solution is mixed until they are dissolved.
• Ninety-five weight parts of this mixture are placed into a container. Isopentane is cooled to about 5°C and then added to the mixture. The container is sealed and the mixture was blended to form a homogeneous microemulsion.
• composition components are:
• composition components are:
• the sodium bisulfate is dissolved in water, the dihydroxyethyl tallow amine is added and the solution is mixed until homogeneous.
• the antimicrobial, ether cosurfactant, and citric acid are added and mixed until dissolved.
• Ninety-five parts of this solution are transferred to a barrier container, cooled isopentane (about 5°C) is added, the container sealed, and the solution mixed until homogeneous.
• composition components are: Component Weight %
• the surfactant, ether cosurfactant, magnesium oxide, and citric acid are sequentially dissolved in water.
• Isopentane is cooled to about 5°C, added to 95% by weight of the surfactant solution and mixed in a closed container until homogeneous.
• This example illustrates a cleaning composition having a mixture of surfactants and a mixture of cosurfactants.
• the composition components are:
• composition components are:
• composition components are:
• composition components are:
• Citric acid anhydrous 2 . . 00 Sodium hydroxide 0 . . 67
• the surfactant and sodium cumene sulfonate are dissolved sequentially in the water.
• Ortho-phenylphenol is dissolved into the ether cosurfactant and the cosurfactant is added to the surfactant solution with continued agitation.
• Sodium hydroxide is slowly added to the mixture to obtain a pH of from about 5 to about 9.
• Citric acid and sodium sulfate are added and the solution is mixed at room temperature until homogeneous.
• the isopentane/ISOPAR mixture is cooled to about 5°C and added to 95% by weight of surfactant solution.
• the composition is mixed in a closed container until a homogeneous liquid is formed.
• composition components are:
• the surfactant and hydrotrope are dissolved sequentially in the water.
• Ortho-phenylphenol is dissolved into the ether cosurfactant and the resulting mixture is added to the surfactant solution with continued agitation.
• Sodium hydroxide is added slowly to obtain a pH of from about 5 to about 9 and sodium sulfate was added under constant mixing at room temperature until homogeneous.
• the isopentane is cooled to about 5°C and is added to 95% by weight of surfactant solution.
• the composition is mixed in a closed container until a homogeneous liquid is formed.
• compositions of Example 12 are prepared using the ingredients listed in Table 1, in the manner described in Example 6.
• Time to initial foam is determined using a blind sample evaluation and a single trigger sprayer (Model T85NDB, from Continental Sprayers) mounted on either PET or glass containers. The trigger sprayer is rinsed before each use and each composition is sprayed 12 times before an evaluation. "Time to initial foam” is determined for each composition by spraying each composition a total of 6 times at a vertical target at a distance of 6 inches and averaging the determinations .
• Time to initial foam is a measurement of the time from trigger actuation until the composition foams to obscure the target. The results are shown in TABLE 1.
• Example 13A Example 13B Examp1e 13C
• the compositions are prepared by adding the water and the sodium pareth-4 sulfate to a 4 liter stainless steel beaker, then adding the propylene glycol and sodium tetraborate until they are dissolved. In Examples 13A And 13B, the dipropylene glycol n-propyl ether is then added.
• Example 13C the sodium sulfate is added at this time and the dipropylene glycol n-propyl ether and Soyamide DEA are separately mixed and added. In all cases, the enzyme is then added and mixed until uniform. The resulting mixture is transferred to polyethylene terphthalate bottles, and the isopentane and Isopar C are added. The bottles are then capped and the composition mixed by manual agitation.
• Enzyme 1 0.3 0.3 0.3 0.3 0.3
• Examples 13D and 13E are prepared by adding the water and the sodium pareth-4 sulfate to a 4 liter stainless steel beaker, then adding the propylene glycol, sodium tetraborate and acrylic acid polymer (Ex.
• Example 13D or xantham gum (Ex 13E)until they are dissolved.
• the sodium hydroxide is then added.
• the dipropylene glycol n- propyl ether and Soyamide DEA are separately mixed and added.
• the enzyme is then added and mixed until uniform.
• the resulting mixture is transferred to polyethylene terphthalate bottles, and the isopentane and Isopar C are added. The bottles are then capped and the composition mixed by manual agitation.
• Examples 13F and 13G are prepared in the same manner, with the Cli.5 alkylbenzene sulfonic acid and triethanol amine substituting for the sodium pareth-4 sulfate, and the dinonylphenol E07 substituting for the soyamide DEA.

Landscapes

• Chemical & Material Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Wood Science & Technology (AREA)
• Organic Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Emergency Medicine (AREA)
• Detergent Compositions (AREA)
• Cleaning By Liquid Or Steam (AREA)

Applications Claiming Priority (3)

Publications (3)

Family

ID=21738973

Family Applications (1)

Country Status (6)

Cited By (1)

Families Citing this family (21)

Family Cites Families (6)

• 1997
  • 1997-01-03 JP JP9525406A patent/JP2000503328A/ja not_active Ceased
  • 1997-01-03 DE DE69720430T patent/DE69720430T3/de not_active Expired - Lifetime
  • 1997-01-03 EP EP97903770A patent/EP0883680B2/fr not_active Expired - Lifetime
  • 1997-01-03 WO PCT/US1997/000371 patent/WO1997025408A1/fr active IP Right Grant
  • 1997-01-03 ES ES97903770T patent/ES2191168T3/es not_active Expired - Lifetime
  • 1997-01-03 AT AT97903770T patent/ATE236244T1/de not_active IP Right Cessation

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events