122 results about "Linear alkylbenzene sulfonate" patented technology

Provided herein are structured liquid surfactants produced using a linear alkylbenzene sulfonate having various levels of 2-isomer content.

A gelled light duty cleaning composition comprising: a C₈-C₁₈ ethoxylated alkyl ether sulfate surfactant, a magnesium salt of a C₈-C₁₈ linear alkyl benzene sulfonate, a sodium salt of a C₈-C₁₈ linear alkyl benzene sulfonate, an amine oxide surfactant, a polyalkylglucoside, a hydrophobic ethoxylated nonionic surfactant and water.

A process for manufacturing detergent particles comprising the steps of: a) forming a liquid surfactant blend comprising a major amount of surfactant and a minor amount of water, the surfactant part consisting of at least 51 wt % linear alkylbenzene sulfonate and at least one co-surfactant, the surfactant blend consisting of at most 20 wt % nonionic surfactant; b) drying the liquid surfactant blend of step (a) in an evaporator or drier to a moisture content of at most 2 wt % and cooling the output from the evaporator or dryer; c) feeding the cooled material, which output comprises at least 93 wt % surfactant blend with a major part of LAS, to an extruder, optionally along with less than 10 wt % of other materials such as perfume, fluorescer, and extruding the surfactant blend to form an extrudate while periodically cutting the extrudate to form hard detergent particles with a diameter across the extruder of greater than 2 mm and a thickness along the axis of the extruder of greater than 0.2 mm, provided that the diameter is greater than the thickness; d) optionally, coating the extruded hard detergent particles with up to 30 wt % coating material selected from powdered inorganic material and mixtures of such material and nonionic material with a melting point in the range 40 to 90° C.

The present invention provides an aqueous liquid detergent composition comprising an antifoam system containing saturated fatty acid having an iodine value of lower than 2.0 and further surfactant material, comprising anionic and non-ionic surfactant, but being substantially free of linear alkylbenzene sulfonate (LAS) material. In this connection said detergent composition shows good cleaning performance while having moderate foaming characteristics when in use.

Stable unit dose compositions with high water content are provided. Such unit dose compositions include an aqueous composition having a water activity of from about 0.65 to about 0.95 and a water-soluble container formed from a water-soluble or water-dispersible film material. In one embodiment, the aqueous composition includes water in an amount of 25% to 70% by weight, a surfactant system, and a water binding agent. The surfactant system may include: (1) a linear alkylbenzene sulfonate (LAS) and/or an alcohol ethoxylsulfate (AES), (2) a non-ionic surfactant, and (3) a fatty acid. The unit dose compositions can prevent the enclosed liquid detergent composition with a high level of water content from dissolving or pre-maturely dispersing the water-soluble container.

The present invention is a process for producing phenyl-alkanes by paraffin adsorptive separation followed by paraffin dehydrogenation and then by alkylation of a phenyl compound by a lightly branched olefin. The adsorptive separation step employs a silicalite adsorbent and, as the desorbent, a C₅-C₈ linear paraffin, a C₅-C₈ cycloparaffin, a branched paraffin such as isooctane, or mixtures thereof. The effluent of the alkylation zone comprises paraffins that are recycled to the adsorptive separation step or to the dehydrogenation step. This invention is also a process that that sulfonates phenyl-alkanes having lightly branched aliphatic alkyl groups that to produce modified alkylbenzene sulfonates. In addition, this invention is the compositions produced by these processes, which can be used as detergents having improved cleaning effectiveness in hard and/or cold water while also having biodegradability comparable to that of linear alkylbenzene sulfonates, as lubricants, and as lubricant additives. This invention is moreover the use of compositions produced by these processes as lubricants and lubricant additives.

Stable unit dose compositions with high water content are provided. Such unit dose compositions include an aqueous composition having a water activity of from about 0.60 to about 0.95 and a water-soluble container formed from a water-soluble or water-dispersible film material. In one embodiment, the aqueous composition includes water in an amount of 20% to 70% by weight, a structured surfactant system which is in the form of a lamellar structure, and a salt which promotes the formation of the lamellar structure. The surfactant system may include: (1) a linear alkylbenzene sulfonate (LAS) and/or an alcohol ethoxylsulfate (AES), (2) a non-ionic surfactant, and (3) a fatty acid. The unit dose compositions can prevent the enclosed liquid detergent composition with a high level of water content from dissolving or pre-maturely dispersing the water-soluble container due to the lamellar structure of the composition.

The invention discloses a method for determining linear alkylbenzene sulfonate (LAS) in textile dyeing and finishing auxiliaries by ion-pair liquid chromatography, belonging to the analysis and detection fields of LAS residue in the textile dyeing and finishing auxiliaries. The method comprises the steps of firstly, sample solution preparation, namely, dissolving a sample with a strong polar solvent under the assistance of ultrasonic waves; secondly, solid-phase extraction and purification; and thirdly, separating by the ion-pair liquid chromatography and detecting by a fluorescence detector. The LAS is used as a standard, the chromatographic retention times of LAS in a comparative sample solution and a standard solution are compared, the special fingerprint spectrum is qualitatively analyzed and the sum of the peak areas of four main components of the LAS is quantified by an external standard method. The method for determining the linear alkylbenzene sulfonate (LAS) in textile dyeing and finishing auxiliaries by the ion-pair liquid chromatography is high in detection sensitivity, strong in anti-jamming capability and accurate in qualitative and quantitative analysis.

The present invention refers to a process to obtain a highly soluble linear alkylbenzene sulfonate (LAS). Specifically it comprises the addition, prior or after sulfonation of linear alkylbenzene and/or neutralization of linear alkylbenzene sulfonic acid of an hydrotropic composition. It also refers to a hydrotropic composition, to a highly soluble linear alkylbenzene sulfonate, to the use of the hydrotropic composition for making said linear alkylbenzene sulfonate highly soluble and to a cleaning composition comprising said linear alkylbenzene sulfonate

The invention relates to a cooking auxiliary agent for papermaking and pulping, belongs to the field of papermaking, and aims to solve the problems that the existing cooking auxiliary agent is high in toxicity and severe in environmental pollution. The cooking auxiliary agent for papermaking and pulping comprises the following components in percentage by weight: 8-12% of primary alcobol ethoxylate, 10-20% of linear alkylbenzene sulfonates, 3-8% of alkyl sulfonate sodium acetate, 3-8% of alkyl phenyl polyoxyethylene ether, 2-5% of sodium nonylphenol polyoxyethylene ether sulfonate, 1-3% of methyl sulfone, 2-5% of carboxymethyl cellulose, 0.5-1.2% of oleamide, 0.1-0.5% of sodium pyrophosphate and the balance of deionized water. The cooking auxiliary agent is mainly applicable to the papermaking field, can reduce environmental pollution, improve the screened pulp yield and reduce Kappa number.

Detergent composition having:

• • from 2 to 30% by weight of anionic surfactants,
  • from 0 to 7% of linear alkylbenzene sulfonate(s),
  • from 0 to 7% of alkyl sulfate(s),
  • from 0 to 2% of fatty acids,
  • from 0 to 5% of phosphate builder,
  • from 0 to 15% of aluminosilicate builder,

wherein the weight ratio of linear alkylbenzene sulfonate(s) to the total amount of anionic surfactant can be between 0 and 0.65,

wherein the weight ratio of alkyl sulfate(s) to the total amount of anionic surfactant can be between 0 and 0.65.

The invention discloses salt-white laundry powder which is manufactured by the materials like linear alkylbenzene sulfonate, liquid sodium hydroxide, 4A zeolite, sodium carbonate, sodium sulfate, sodium chloride, Na2SiO3, sodium carboxymethyl cellulose, and the like. The salt-white laundry powder is fast dissolved, saves dosage, has a high decontamination capacity, effectively removes various besmirches and has the characteristics of sterilization, whitening, gentle property, harmless to hands and clothes, and the like. Proved by experiment, the washing cleanliness of the clothes is improved by 30 to 35 percent than the washing effect of the existing phosphate-free laundry powder.

The invention relates to an efficient detergent composition for kitchen thick oil, made from an anionic surfactant and a deterging aid; the anionic surfactant is formed by combining linear alkylbenzene sulfonate LAS and nonylphenol polyoxyethylene ether NP-12 at a mass ratio of 3:1; the deterging aid is made from hydrogenated coconut oil acid, sodium carbonate, sodium citrate, ethylenediaminetetraacetic acid and a solubilizer; the efficient detergent composition prepared according to the formulation is prepared into an aqueous solution to deterge kitchen thick oil according to a mass ratio of 0.2-1%. The efficient detergent composition for kitchen thick oil is good in frothing property and oil removal effect, is efficient in removing kitchen thick oil, is nontoxic, noncorrosive and nonirritating, is biodegradable and is green.

The present invention relates to a process for obtaining a highly soluble linear alkylbenzene sulfonate with an adjustable 2-phenyl isomer content and an extremely low sulfonation color, in which a catalytic system based on highly stable solid catalysts and with a high selectivity for linear monoalkylated compounds is used.

The invention discloses a preparation method of a green and environment-friendly efficient de-inking agent and belongs to the technical field of wastepaper de-inking. The green and environment-friendly efficient de-inking agent prepared by the method does not contain an alkylphenol polyoxyethylene ether type component which has poor biodegradability and is not environmentally friendly. The de-inking agent disclosed by the invention is formed by compounding anacardol polyoxyethylene ether synthesized by a natural product anacardol, fatty alcohol polyoxyethylene ether and fatty alcohol polyoxyethylene ether sulfate of natural fatty alcohol, linear-alkylbenzene sulfonate with good biodegradability and diatomite. The obtained de-inking agent has good biodegradability and is green and environmentally friendly, has good penetration, emulsification, washing and adsorption effects and has a good de-inking effect, so that the de-inking agent is one green and efficient environment-friendly type de-inking agent.

Provided herein are various methods for forming alkylaromatic sulfonate compositions and blended alkylaromatic sulfonate compositions, and such compositions themselves. The methods of various embodiments include obtaining a C₈-C₃₀ hydrocarbon mixture, optionally treating the mixture to concentrate the mixture in sulfonatable aromatics, and sulfonating the mixture to form the alkylaromatic sulfonates. The mixture or treated mixture may be blended with linear alkyl benzene (LAB) compositions and sulfonated, and/or the alkylaryl sulfonates may be blended with linear alkylbenzene sulfonate (LAS) compositions, to form the blended alkylaromatic sulfonates of some embodiments. These compositions and processes for making them may be tailored to serve a variety of end uses, such as detergents in cleaning solutions or for enhanced oil recovery operations, and/or as low foaming and/or hydrotropic additives in detergent formulations, and the like.

The present invention relates to detergent compositions containing a compound prepared by paraffin isomerization followed by paraffin dehydrogenation followed by alkylation of aryl compounds with lightly branched olefins followed by sulfonation and finally selective neutralization. of aryl alkyl sulfonates. The effluent from the alkylation zone contains paraffins that are recycled to the isomerization or dehydrogenation steps. The prepared modified alkylbenzene sulfonates have improved washing effect in hard and/or cold water, and have biodegradability similar to linear alkylbenzene sulfonates.

The invention discloses a cleaning agent for a smoke ventilator. The cleaning agent comprises, by weight, 2 to 4 parts of linear alkylbenzene sulfonate, 1 to 5 parts of alkylphenol polyoxyethylene, 3 to 6 parts of sodium dodecyl sulfate, 4 to 8 parts of isopropyl alcohol, 6 to 8 parts of sodium carbonate and 100 parts of distilled water. The cleaning agent for a smoke ventilator in the invention is safe and nontoxic to a human body, poses no stimulus to the skin in the process of cleaning and can quickly and easily clear grease stains on the smoke ventilator and all kinds of kitchen wares; even when dealing with firmly adhered grease stains, the cleaning agent and a cleaning manner cause no damage to an utensil; the cleaning agent is easy to use and has no toxicity and no corrosion, a preparation process for the cleaning agent is simple, and the quality of a prepared product is stable.

The invention discloses a gas leakage detection liquid and addresses the problem that existing liquid soap and bubble water form unstable bubbles which are not suitable for gas leakage point detection. The gas leakage detection liquid specifically includes linear alkylbenzene sulfonate, fatty alcohol polyoxyethylene ether, sodium alcohol ether sulphate, water, coconutt diethanol amide, sodium chloride, glycerin and glucose. The detection liquid is good in foamability, stable in formed bubble and not prone to breakage and can economically, conveniently and rapidly detect micro-leakage, percolation and the like which can be found out by a suspension alarm, therefore, the risks of a gas system in a resident house is effectively reduced, the gas losses are reduced, and the gas usage security of a user side is improved.

A wash composition includes a surfactant system, a solvent system, and one or more beneficial compositions. The surfactant system includes a) a linear alkylbenzenesulfonate (LAS), and b) a fatty acid methyl ester ethoxylate (MEE). Optionally, the surfactant system may further include c) an alkyl ether sulfate (AES), and d) a nonionic alcohol ethoxylate (AE). The wash composition may be embodied as a unit dose composition or a heavy-duty liquid. Methods for increasing the effectiveness of fabric cleaning that include using the wash composition are also provided.