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
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/66—Non-ionic compounds
  • C11D1/83—Mixtures of non-ionic with anionic compounds
• • 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
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/66—Non-ionic compounds
  • C11D1/83—Mixtures of non-ionic with anionic compounds
  • C11D1/831—Mixtures of non-ionic with anionic compounds of sulfonates with ethers of polyoxyalkylenes without phosphates

Definitions

• a jellylike composition for the pre-washing treatment of textiles comprising 8-30 wt. percent of a straight chain or branched chain alkylbenzenesulfonate, 10-62 wt. percent of a nonionic surfactant of the amphiphilic polyoxyethylene type and the remainder is water, the sum of said alkylbenzenesulfonate and said nonionic surfactant of the amphiphilic polyoxyethylene type being 25-70 wt. percent of the total weight of the composition.
• the present invention relates to jellylike or semisolid detergent compositions containing, as essential ingredients, straight chain or branched chain alkylbenzenesulfonate, nonionic surfactant of the amphiphilic polyoxyethylene type and water.
• These compositions are suitably used by applying them to heavily stained portions of clothing, such as collars, cuffs, socks and underwear by a brush or by the users fingers and then placing the goods into a Washing machine.
• the compositions can also be used by applying them to materials which cannot be washed by vigorous hand washing or in a washing machine, such as frilly materials, laces and sweaters and then Washing the materials gently with a brush or by light pressing.
• cleaning with solvents is suitable for removing oily dirt.
• this method has the disadvantage that water-soluble dirt and inorganic solid dirt cannot be removed.
• a system has been developed wherein a W/O detergent comprising a surfactant, a small quantity of water and a solvent'is used.
• this system is not suitable for general household use, because a large quantity of a solvent is required.
• jellylike compositions which are generally in the form of liquid crystals and which comprise a surfactant/amphiphilic substance/water system, and in which the amphiphilic substance exhibits an improved effect of removing oily dirt from textiles.
• the present invention provides jellylike or semisolid compositions containing three essential ingredients, namely, (1) 8-30 wt. percent, preferably 10-20 wt. percent, of straight chain or branched chain 'alkylbenzenesulfonate as a surfactant, (2) 10-62 wt. percent, preferably 15-50 wt. percent, of a nonionic active agent of the polyoxyethylene type as the amphiphilic substance and (3) the remainder is water.
• the sum of said alkylbenzenesulfonate and said amphiphilic nonionic active agent of the polyoxyethylene type in the composition is 25-70 wt. percent, preferably 35-50 wt. percent, based on the total weight of the composition.
• the straight chain or branched chain alkylbenzenesulfonates used in the present invention are, for example, the alkali metal salts such as the sodium or potassium salts, or the organic amine salts such as the monoethanolamine and diethanolamine salts, of alkylbenzenesulfonates containing alkyl groups having 8-18 carbon atoms.
• the alkali metal salts such as the sodium or potassium salts
• the organic amine salts such as the monoethanolamine and diethanolamine salts
• Sodium salts of straight chain alkylbenzenesulfonates in which the alkyl group has 10-15 carbon atoms are particularly preferred.
• the nonionic active agents of the amphiphilic polyoxyethylene type used in the present invention are those having an HLB value in the range of 5-11 including, for example, polyoxyethylene alkyl ethers containing alkyl groups of 8-22 carbon atoms and 1-8 oxyethylene units and polyoxyethylene alkylphenyl ethers containing alkyl groups of 8-18 carbon atoms and 1-8 oxyethylene units.
• Polyoxyethylene (4-6) nonylphenyl ethers and polyoxyethylene (3-5) dodecyl ethers are particularly preferred.
• the amount of the surfactant is generally in the range of 8-30 wt. percent, preferably 10-20 wt. percent, and the amount of the amphiphilic substance is generally in the range of 10-62 wt. percent, preferably 15-50 wt. percent, both percentage ranges being based on the total weight of the composition.
• the amounts of each component vary within the above-stated ranges depending on the particular compounds of both components that are used. The sum of both components is 25-70 wt. percent, preferably 35-50 wt. percent, based on the total weight of the composition.
• the jellylike detergent compositions according to the invention can be prepared by (A) dissolving the alkylbenzenesulfonate surfactant in water to obtain a homogenous solution and then adding the amphiphilic substance to the solution with stirring, or (B) by stirring together the surfactant, the amphiphilic substance and water.
• the former method is preferred to the latter, because it yields a more homogeneous mixture and thereby provides a harder or more viscous gel.
• the jelly composition of the present invention is used by applying it to cloth, in an amount in the range of 0.3-1.0 g., preferably 0.5 g., per one piece of cloth of a size of 50 cmfl, by the users fingers or with a brush.
• the cloth' may be washed in a washing machine immediately after application of the composition.
• improved results are obtained by allowing the treated cloth to stand for about 30 minutes before washing it.
• part of the amphiphilic substance contained in the jelly composition of the present invention may be replaced with a solvent such as ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monobutyl ether, ethylene glycol monophenyl ether or diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monobutyl ether, a wetting agent or a wetting promotor such as a dialkylsulfosuccinate.
• a solvent such as ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monobutyl ether, ethylene glycol monophenyl ether or diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monobutyl ether, a wetting agent or a wetting promotor such as a dialkylsulfosuccinate.
• the dialkylsulfosuccinates to be optionally'used in the present invention are, for example, the alkali metal salts such as the sodium or potassium salts, or the organic amine salts such as the monoethanolamine and diethanolamine salts, of dialkylsulfosuccinates containing straight chain or branched chain alkyl groups having 6-10 carbon atoms.
• Sodium diethylhexylsulfosuccihate is particularly preferred.
• the solvent can be used in an amount of up to 6 Wt. percent of the composition and also the wetting agent or promoter can be used in an amount of up to 5 wt. percent of the composition.
• the jelly detergent of the present invention By using the jelly detergent of the present invention, heavy dirt, particularly oily dirt on collars, cuffs, socks and underwear, can be removed easily as a result of the synergism of the amphiphilic substance and the alkylbenzenesulfonate surfactant and troublesome repetition of washing procedure is not required.
• the jelly detergent is suitable for washing materials which cannot be hand-washed by a vigorous crumpling action or which cannot be washed in a washing machine such as frilly materials, laces and sweaters, by spreading the composition of the invention on said materials and then washing them lightly with a brush or by light pressing.
• EXAMPLE 4 Fourteen (14) wt. percent of sodium alkylbenzenesulfonate containing straight chain alkyl groups of 13 carbon atoms on the average and 0.0025% of a blueing agent were dissolved in a quantity of water with heating. To the resulting solution was added 26 wt. percent of polyoxyethylene (3) lauryl ether. The mixture was cooled to obtain a blue, transparent jelly composition.
• EXAMPLE 5 Twenty (20) wt. percent of sodium alkylbenzenesulfonate containing branched alkyl groups of 12 carbon atoms on the average and 0.0025% of a blueing agent were dissolved in a quantity of water with heating. To the resulting solution was added 20 wt. percent of polyoxyethylene (4) myristyl ether. The mixture was cooled to obtain a blue, transparent jelly composition.
• EXAMPLE 6 Sixteen (16) wt. percent of sodium alkylbenzenesulfonate containing straight chain alkyl groups of 12 carbon atoms on the average and 0.0025% of a blueing agent were dissolved in a quantity of water with heating. To the resulting solution was added 9 wt. percent of polyoxyethylene (4) nonylphenyl ether and 5 wt. percent of butylcellosolve. The mixture was cooled to obtain a blue, transparent jelly composition.
• Rate of cleaning (percent) Washing was effected with a Terg-O-Tometer in hard water of 4 DH under the conditions of a temperature of 25 C., a bath ratio of 10 sheets/500 ml. of solution and rotation at 65 rpm. for 10 minutes. Then the sheets were washed once in clean water for 5 minutes. The reflectivity was measured to evaluate the rate of cleaning.
• Rate of degreasing (percent) The oily soil remaining in the cloths after the Washing was extracted with ethanol/benzene (50/50) in a Soxhlets extractor to measure the quantity of the remaining oily dirt.
• the rate of degreasing (W) was calculated according to the following equation:
• W represents the quantity of dirt before washing and W represents the quantity of dirt after washing.
• Washing time 10 minutes
• Washing in clean water 5 minutes
• Rate of cleaning The reflectivities of the washed test samples were 5 measured to determine the rate of cleaning. Six pieces of the stained cloths were used in each test and the mean value of 4 samples, omitting the highest and the lowest values, was taken.
• the commercial household detergent was used in a concentration of 4 g./l.
• the composition of the detergent was the same as in Table 1.
• EXAMPLE 7 Sodium alkylbenzenesulfonates containing straight chain alkyl groups of 12 carbon atoms on the average were dissolved in a quantity of water to obtain a homogeneous solution. To the solution was then added polyoxyethylene (3) dodecyl ether or polyoxyethylene (5) nonylphenyl ether as the amphiphilic substance. The mixture was stirred to obtain a detergent composition. The ratio of the sodium alkylbenzenesulfonates to the amphiphilic substance was varied in the range of 0/ 100-100/0, the sum of both being wt. percent based on the total weight of the detergent composition. The appearances of the thus obtained compositions were observed and the rates of cleaning of artificially stained cotton cloths with the compositions were measured. The results were as shown in Table 2.
• composition of the soil The composition of the soil, the preparation of the stained cloths, the conditions of the cleaning power test and the determination of the rate of cleaning were as follows:
• amphiphilic polyoxyethylene nonionic surfactant having an HLB value in the range of from 5 to 11 and selected from the group consisting of (a) polyoxyethylene alkyl ethers having alkyl groups of 8-22 carbon atoms and 1-8 oxyethylene units and (b) polyoxyethylene alkylphenyl ethers having alkyl group of 8-18 carbon atoms and 1-8 oxyethylene groups, and
• ingredients (1) plus (2) being in the range of from about 25 weight percent to 70 weight percent of the total composition.
• a detergent composition according to Claim 1 in which the amount of ingredient (1) is in the range of from 10 weight percent to 20 weight percent, the amount of ingredient (2) is in the range of from about 15 weight percent to about 50 weight percent, and the sum of (1) plus (2) is in the range of from 35 weight percent to 50 weight percent, all percentages being based on the total weight of the composition.
• a detergent composition according to Claim 1 containing up to Weight percent of wetting agent selected from the group consisting of alkali metal salts, monoethanolamine salts and diethanolamine salts of dialkylsulfosuccinates containing alkyl group having 6 to carbon atoms.
• a method of cleaning soiled cloth which comprises manually applying the composition of Claim 1 directly to soiled cloth at the rate of 0.3 to 1.0 gram of composition per 50 cm. of said cloth and then washing the cloth in water.

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• 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)
• Detergent Compositions (AREA)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=12591627

Family Applications (1)

Country Status (5)

Cited By (15)

Families Citing this family (3)

• 1971
  • 1971-06-09 JP JP46040833A patent/JPS506322B1/ja active Pending
• 1972
  • 1972-06-02 GB GB2590572A patent/GB1343551A/en not_active Expired
  • 1972-06-02 DE DE19722226925 patent/DE2226925B2/de not_active Ceased
  • 1972-06-05 US US00259473A patent/US3849347A/en not_active Expired - Lifetime
  • 1972-06-05 ES ES403524A patent/ES403524A1/es not_active Expired

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