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
  • C11D3/16—Organic compounds
  • C11D3/18—Hydrocarbons

Definitions

• This invention relates to a liquid detergent composition. More particularly, this invention relates to a liquid detergent composition having excellent low temperature stability and containing an anionic surfactant and- /or a non-ionic surfactant, and solubilizing agents.
• liquid detergent compositions comprise, for instance, an alkyl benzene sulfonate and, incorporated therein, one or more solubilizing agents, for instance, lower alcohols such as ethanol, benzene sulfonates, lower alkyl benzene sulfonates such as p-toluene sulfonates, glycols such as propylene glycol, acetyl benzene sulfonates, acetamides, pyridine carboxylic acid amides, benzoates and urea.
• these detergent compositions are inevitably defective in that white turbidity or phase separation is brought about at low temperatures.
• the object of this invention is to provide a liquid detergent composition which possesses excellent low temperature stability
• the gist of this invention resides in a liquid detergent composition comprising as active ingredients at least one member selected from anionic surfactants and non-ionic surfactants and at least two solubilizing agents, characterized in that as one solubilizing agent there is used about 3 to about 30% by weight, based on the amount of the above surfactants, of an aliphatic saturated hydrocarbon having 6 to 14 carbon atoms on the average or an alkyl benzene containing an alkyl group having 6 to 14 carbon atoms on the average.
• the aliphatic saturated hydrocarbon used as one embodiment of the indispensable solubilizing agent in the composition of this invention contains 6 to 14 carbon atoms on the average, and it may be of either the normal form or the iso-form or a mixture thereof.
• kerosene, fluid paraffin and petroleum fractions containing as the main component such saturated hydrocarbon as mentioned above can be used.
• the alkyl benzene used as the other embodiment of the indispensable solubilizing agent in the composition of this invention contains a straight or branched alkyl group having 6 to 14 carbon atoms on the average.
• alkyl benzene hexyl benzene, octyl benzene, nonyl benzene, dodecyl benzene and tetradecyl benzene.
• solubilizing agents can be used as the other solubilizing agent in the composition of this invention.
• lower alcohols such as methanol, ethanol and isopropyl alcohol
• glycols such as ethylene glycol and propylene glycol
• acetamides such as ethylene glycol and propylene glycol
• acetamides such as ethylene glycol and propylene glycol
• acetamides such as ethylene glycol and propylene glycol
• aromatic carboxylic acid salts such as benzoates and salicylates
• urea The salts included in this group, i.e. the various sulfonates and aromatic carboxylic acid salts, are usually alkali metal salts (sodium or potassium), ammoni
• the anionic surfactant that the composition of this invention can contain, there can be mentioned, for instance, straight or branched alkyl benzene sulfonates, alkyl sulfuric acids ester salts, alkane sulfonates, a-olefin sulfonates, salts of polyoxyethylene alkyl or alkylphenyl ether sulfuric acid esters, and ether carboxylates expressed by the general formula R-O(CH C- H O),,R'COOM in which R is an alkyl or alkenyl group having 8 to 22 carbon atoms or an alkyl phenyl group in which the alkyl group has 6 to 17 carbon atoms, R is an alkylene group having 1 to 4 carbon atoms, M stands for a water-soluble cation, and n is a number from 1 to 30.
• the anionic surfactant is an alkali metal salt such as sodium or potassium, ammonium salt or an alkanolamine salt such as mono-,
• non-ionic surfactant there may be exemplified polyoxyethylene alkyl ethers in which the alkyl group has 8 to 18 carbon atoms and 4 to 14 oxyethylene units and polyoxyethylene alkyl phenyl ethers in which the alkyl group has from 8 to 12 carbon atoms and 6 to 12 oxyethylene units.
• hydrocarbon aliphatic saturated hydrocarbon or alkyl benzene as defined above
• the hydrocarbon solubilizing agent to be used as the indispensable solubilizing agent in the composition of this invention is incorporated in an amount of about 3 to about 30% (by weight; the same will apply hereinafter) based on the amount of the surfactant(s), and the weight ratio of said hydrocarbon solubilizing agent to the other solubilizing agent should be preferably from 1/40 to 2/1.
• the composition of this invention is useful as a detergent for foodstuffs and table wares, a shampoo and a heavy or light duty liquid detergent for clothes.
• n-dodecane is effective for improving the low tempera- EXAMPLE 5 ture stability. Especially when sodium xylene sulfonate, urea and triethanol amine are co-present, the effect of i Comparison This invention n-dodecane is remarkable.
• EXAMPLE 6 Comparison This invention Sodium straight-dodecyl t J, benzene sulfonate 15% 1 5% Sodium nonyl phenyl polyethoxy(3) acetate 5% 5% Sodium xylene sulfonate 14% 14% Ethanol 2% 2% Kerosene 2% Turbidity-separation temperature about 2C below C
• EXAMPLE 7 Comparison This invention Sodium nonyl phenyl polyethoxy(3) acetate 20% 20% Urea 5% 5% n-Dodecane 0% 1% Turbidity-separation temperature about C below 12C
• EXAMPLE 8 Comparison This invention Sodium straight-dodecyl benzene sulfonate 20% Ethanol 5% 5% Dodecyl benzene 0% 2.5%
• Tester Terg-O-Tometer Deterent concentration: 0.20% (in city water) Bath ratio: 6 contaminated cloths per 500 cc Washing temperature: 30C
• a liquid detergent composition having improved low temperature stability consisting essentially of an aqueous solution of at least one surfactant selected from the group consisting of anionic surfactants and non-ionic surfactants, the amount of said surfactant being an amount effective for making said detergent composition suitable for washing foodstuffs, tableware or clothes, or as a shampoo; a first solubilizing agent selected from the group consisting of alkanols having one to 3 carbon atoms; benzene sulfonates, p-toluene sulfonates, xylene sulfonates, acetyl benzene sulfonates, glycols, acetamides, pyridine dicarboxylic acid amides, benzoates, salicylates and urea; and a second solubilizing agent selected from the group consisting of hexyl benzene, octyl benzene, nonyl benzene, dodecyl benz
• a liquid detergentcomposition according to claim I in which said non-ionic surfactant is selected from polyoxyethylene alkyl ethers and polyoxyethylene alkyl phenyl ethers.

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)
• Detergent Compositions (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=12565446

Family Applications (1)

Country Status (5)

Cited By (21)

Families Citing this family (9)

Citations (3)

• 1972
  • 1972-04-20 JP JP47039886A patent/JPS5139250B2/ja not_active Expired
• 1973
  • 1973-04-17 US US352053A patent/US3929680A/en not_active Expired - Lifetime
  • 1973-04-18 NL NL7305502A patent/NL7305502A/xx unknown
  • 1973-04-19 GB GB1905873A patent/GB1425749A/en not_active Expired
  • 1973-04-19 DE DE2319892A patent/DE2319892A1/de active Pending

Patent Citations (3)

Also Published As

Similar Documents