527 results about "Linear alkylbenzene" patented technology

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

This invention relates to one light sensitive monomer, which comprises the following compounds with following chemical formula: R for A-Sp-P; R1, R2, R3, R4, R5 and R6 with at least two A-Sp-P; A from oxygen atom, sulfur atom, methoxy, carbonyl, carboxy group, formamido, methylmercapto group, ethoxycarbonyl group, ethoxycarbonyl group and single key; Sp from isolation base, linear alkylbenzene, branched chain alkane and singly-bound; P for polymerisable group; Z from oxygen atom, sulfur atom, methoxy, carbonyl, carboxy group, formamido, methylmercapto group, ethoxycarbonyl group, ethoxycarbonyl group and single key.

A unique liquid laundry detergent with enhanced stain removal capacity on bleachable stains is described that comprises linear alkyl benzene sulfonate, alkyl ether sulfate, alcohol ethoxylate, alkali metal silicate, polyacrylate, and optionally carbonate. The composition is remarkably effective at stain removal although the composition is entirely devoid of enzymes and the wash conditions devoid of any bleach additives.

The invention belongs to the field of daily chemical products, and particularly relates to an efficient laundry detergent and a preparation method thereof. The efficient laundry detergent comprises, in weight percent, 5-20% of sodium ethoxylated alkyl sulfate with the mass concentration of 70%, 3-15% of linear alkyl benzene sulfonic acid, 3-6% of fatty alcohol-polyoxyethylene ether, 3-8% of cocamidopropyl betaine with the mass concentration of 35%, 3-10% of potassium laurate water solution with the mass concentration of 17%, 3-10% of potassium oleate water solution with the mass concentrationof 5%, 1-10% of sodium hydroxide, 0.1-2% of compound enzyme, 0.05-0.2% of preservative, 0.1-0.5% of ethylene diamine tetraacetic acid, 0.05-0.5% of citric acid, 0.5-3% of sodium chloride, 0.15-0.5% ofessence and the balance deionized water. The efficient laundry detergent is high in antibacterial and stain removal ability and environmentally friendly and has fewer bubbles, and energy, time and water are saved.

The invention relates to a super-concentration fabric cleaning agent which is composed of, by weight, 25-99 parts of surface active agents, 0-21 parts of addition agents and 1-75 parts of water. The surface active agent is at least one of ethoxylated lauryl alcohol sulfates (AES), fat polyoxyethylene ether (AEO), fat alcohol sodium sulfate (K12), fatty acid methyl ester ethoxylate (MEE), lauramidopropyl betaine (CAB), fatty alcohol diethanolamide (6501), linear alkylbenzene sulphonic acid (LAS) and alky glycoside (APG). The super-concentration fabric cleaning agent is free of organic solvents, no solubilization is needed, and the active matter content can reach 99%. Through the characteristic that the surface active agent fatty acid methyl ester ethoxylate (MEE) is free of cloud points, the complex formulation is conducted on the fatty acid methyl ester ethoxylate (MEE) and other surface active agents, and the functions of solubilization, complex formulation and surface activation are achieved.

The invention provides a synthetic method for linear alkylbenzene. By taking linear olefin containing 2 to 20 carbon atoms and benzene as raw materials under the reaction condition of a temperature being 10 to 450 DEG C, a pressure being 0.1 to 15MPa, the ratio of the amount of substances of benzene and the olefin is 2 to 100:1 and the airspeed of a feeding total mass is 0.1 to 20 h<-1>, and an alkylation reaction is carried out by catalyzing by a solid acid catalyst, the linear alkylbenzene is obtained. The solid acid catalyst is M-SBA-15 typed mesopore molecular sieve catalyst or compound solid acid catalyst which is obtained by modifying the M-SBA-15 typed mesopore molecular sieve catalyst. The catalyst adopted by the invention has no corrosion, is friendly to environment and has good activity stability; therefore, higher olefin conversion and reaction selectivity can also be obtained even under comparatively lower temperature. Furthermore, the device is stable and has long operation time; therefore, frequent switching operation on the reaction and regeneration of the reactor can be avoided.

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 invention discloses a heavy grease stain environment-friendly type water base cleaning compound comprising 10-15% of surfactant, 1-3% of additive, 1-5% of antiseptic, 3-5% of organic amine and remaining tap water; the ingredient of the surfactant comprises 4-5% of aliphatic acid methyl esters ethoxylate, 2-3.5% of APG, 1-3% of fatty alcohol polyoxyethylene ether sodium sulfate (AES), 0.5-1% of straight chain sodium alkyl benzene sulfonate (LAS) and 0.5-2% of aliphatic acid methyl esters ethoxylate; the additive is one or more from a group formed by sodium citrate, citric acid, lactic acid and DL-malic acid; the organic amine is one or more from a group formed by triethanolamine, n-butylamine, diethanolamine and N-methyl diethanolamine; the antiseptic at least is triclosan or tetrachloro isophthalonitrile; through the said method, the heavy grease stain environment-friendly type water base cleaning compound has anti bacterium, heavy grease stain cleaning and environmental protection performances.

The invention relates to a mite-removing laundry liquid which comprises the following main active components in parts by mass: 5-10 parts of dodecyl dimethyl lycine, 7-12 parts of sodium alcohol ether sulfate, 6-10 parts of fatty alcohol polyoxyethylene ether, 4-8 parts of sodium linear alkyl benzene sulfonate, 0.5-1 part of antibiotic mildewproof miticide (MGU-350), 0.2-0.5 part of chelator and 1-5 parts of thickening agent. The mite-removing laundry liquid has the advantage of strong detergency, does not damage the surface and has the effect of removing mites.

The invention discloses a phosphonitryl no halide ion fire retardant which comprises the following structures: regarding R1 as linear alkyl or linear alkylbenzene; regarding R2 as linear alkylbenzene; regarding R3 as linear alkyl or acyl or linear alkylbenzene (the carbon atomicity on the straight chain of R1, R2, R3 is 0-6). The invention also discloses a method for the fire retardant and a fire retardant polyvinyl alcohol material with a compounded fire retardant made up by the fire retardant and the other composition. The invention provides no halide ion and a good water-solubility, which reduces the adding content; provides a good force property, a low cost, a simple technique.

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.

The invention discloses wax removing water for cleaning wax scale on the surface of a polished workpiece and a preparation method thereof. The wax removing water comprises the following components: 3 to 5 g/L of linear alkylbenzene sodium sulfonate, 5 to 10 g/L of secondary alkyl sulfate, 5 to 10 g/L of alkanolamide, 30 to 40 g/L of fatty alcohol polyoxyethylene ether sulfate, 100 to 150 g/L of sodium tripolyphosphate, and 3 to 5 g/L of ethylene diamine tetraacetic acid (EDTA). The wax removing water has good emulsifying effect and very strong solubilizing and dispersion effects, and can thoroughly clean the wax scale on the surface of the polished workpiece.

Lubricant compositions based on a biodegradable base oil, such as a polyol ester or polyalkylene glycol, a calcium sulfonate based thickener and a naturally occurring phospholipid as an anti-wear additive, such as lecithin for environmentally sensitive applications and when having a specific gravity greater than 1.0 at 60° F. (15.6° C.) for marine applications are provided. The thickener may include a linear alkybenzene sulfonic acid, acetic acid and 12 hydroxystearic acid and a calcium carbonate solid film lubricant. The lubricant submerges when dispensed on water avoiding formations of a surface sheen and biodegrades when submerged resulting in a water ecology friendly lubricant.

The invention discloses an antimicrobial moldproof finishing agent for silk fabrics, which is prepared from the following components in parts by weight: 7-12 parts of linear alkyl benzenesulfonic acid, 8-13 parts of ethylene glycol, 6-11 parts of zinc acetate, 4-8 parts of cocoyl monoethanolamine, 3-9 parts of ethoxylated straight-chain primary alcohol, 4-11 parts of nickel N,N-di-n-butyldithiocarbamate, 6-15 parts of alkyl glycoside, 3-7 parts of polyvinylpyrrolidone, 2-4 parts of potassium xylenesulfonate and 5-7 parts of pyrethrin. The finishing agent for silk fabrics has favorable antimicrobial and moldproof effects; the finished fabric has favorable washing fastness and soft feeling; and the preparation technique is simple, is nontoxic and harmless to the human body, and can not destroy the cocoon fibers in the silk fabric.

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.

This invention relates to a process for producing linear alkyl benzene, the process including the steps of obtaining a hydrocarbon condensate containing olefins, paraffins and oxygenates from a low temperature Fischer-Tropsch reaction; a) fractionating a desired carbon number distribution from the hydrocarbon condensate to form a fractionated hydrocarbon condensate stream; b) extracting oxygenates from the fractionated hydrocarbon condensate stream from step (a) to form a stream containing olefins and paraffins; c) combining the stream containing olefins and paraffins from step (b) with the feed stream from step (g) to form a combined stream; d) alkylating olefins in the combined stream from step (c) with benzene in the presence of a suitable alkylation catalyst in an alkylation reactor, e) recovering linear alkyl benzene from the alkylation reactor; f) recovering unreacted paraffins from the alkylation reactor; g) dehydrogenating the unreacted paraffins in the presence of a suitable dehydrogenation catalyst to form a feed stream containing olefins and paraffins; and h) sending the feed stream containing olefins and paraffins from step (g) to step (c).

The present invention relates to a stable liquid laundry detergent composition containing low levels of a C₁₀-C₂₀ linear alkyl benzene sulphonate surfactant in combination with high levels of a water-soluble alkali metal carbonate for achieving improved suds profile.

The preparation process of alkyl aryl sulfonate includes the following main steps: adding C8-C26 straight chain alkylbenzene in 0-50 wt% to heavy alkylbenzene of average molecular weight of 310-370; sulfonation reaction of mixed alkylbenzene and fuming sulfuric acid in the weight ratio of 1 to 0.3-3 inside a sulfonation reactor, with the adding speed of fuming sulfuric acid being controlled to result in reaction temperature of 40-55 deg.c adding water in the amount of 5-25 % of total material weight through stirring at 30-80 deg.c; for 0.2-3 hr and stagnation to balance for 0.5-5 hr; and neutralizing the ractant mixture to pH 8-9 with 10-40% concentration NaOH solution. The alkyl aryl sulfonate is applied in tertiary oil extraction to compound oil displacing agent and may form stable superlow interface tension area in relatively low and wide alkali concentration range and relatively side surfactant concentration range.

The present invention relates to a solid laundry detergent composition comprising: (a) a linear alkyl benzene sulphonate surfactant; (b) an alkoxylated alkyl sulphate surfactant; (c) from 0.1 wt % to 10 wt % alkoxylated alkyl alcohol having an average degree of alkoxylation of from 50 to 100; and (d) from 0.001 wt % to 0.5 wt % polyethylene glycol; (e) from 0 wt % to 5 wt % zeolite builder; (f) from 0 wt % to 5 wt % phosphate builder; and (g) optionally, one or more adjunct components; wherein the weight ratio of the alkoxylated alkyl alcohol and the polyethylene glycol is in the range of from 9:1 to 1,000:1.

A liquid laundry detergent composition that includes: a non-amine neutralized linear alkylbenzene sulphonate; a non-ionic surfactant; a fatty acid; an alcohol; less than 5% by weight of the composition of a hydroxyl-containing amine; water; and a siloxane-based polymer suds suppressor.

The invention discloses environmental-protection range hood detergent and a preparation method thereof. The environmental-protection range hood detergent is prepared from, by mass, 1-3 parts of sodium dodecyl benzene sulfonate, 1-2 parts of fatty alcohol polyoxylethylene ether sodium sulphate, 2-5 parts of linear alkylbenzene sulphonic acid, 0.5-1.5 parts of hydroxyethyl dodecyl alcohol, 0.1-0.8 part of triethanolamine, 3-8 parts of polyatomic alcohol, 2-6 parts of sodium carbonate, 1-5 parts of potassium sorbate, 0.5-1.3 parts of triethanolamine oleate, 0.8-1.6 parts of EDTA-disodium, 0.6-1.5 parts of emulgator, 0.5-1.2 parts of stabilizers and 50-70 parts of distilled water. According to the obtained environmental-protection range hood detergent, the safety to the human body is achieved, the toxicity to the human body does not exist, skins are not stimulated in the cleaning process, the greasy stains on a range hood and various cooking utensils can be cleaned away rapidly, simply and conveniently, and the detergent and the cleaning method do not damage the utensils.