2251 results about "Benzenesulfonic acid" patented technology

The room temperature ionic liquid containing unsaturated double bond has the general expressino of A+B-, where A+ contains R1 being hydroxyl with 1-4 carbon atoms and R2 containing 2-20 carbon atoms and at least one double bond; and B- is one of anions, including chlorate radical, bromate radical, iodate radical, acetate radical, sulfate radical, nitrate radical, tetrafluorobromate radical, etc. Its preparation is to mixture and react olefin halide R1X and N-alkyl imidazole to obtain ionic liquid dialkyl imidazolium halide. The present invention also relates to the application of the ionic liquid in dissolving cellulose and preparing cellulose derivative.

A composition and associated method for chemical mechanical planarization (or other polishing) are described. The composition contains an abrasive, benzenesulfonic acid compound, a per-compound oxidizing agent, and water. The composition affords tunability of removal rates for metal, barrier layer materials, and dielectric layer materials in metal CMP processes. The composition is particularly useful in conjunction with the associated method for metal CMP applications (e.g., step 2 copper CMP processes).

The invention provides a method for preparing high base number (TBN400) synthetic calcium alkyl-benzene sulfonate. The method comprises the following steps of: adopting a mixed acid of long-chain linear alkyl-benzene sulfonic acid and high-boiling heavy alkyl-benzene sulfonic acid, calcium oxide and / or calcium hydroxide, low-carbon alcohol, alkaline-earth metal halide or nitrate, and a mixture of alkaline-earth metal alkylphenol or alkaline-earth metal alkylphenate and polyisobutylene succinic anhydride for a neutralization reaction in the presence of a solvent and cutback oil at a temperature of between 40 and 80 DEG C; then, passing through carbon dioxide to a product of the neutralization reaction at a temperature of between 40 and 60 DEG C for a carbonation reaction; and producing high base synthetic alkyl-benzene sulfonate with a total base number (TBN) of 400mgKOH / g by adopting a process of a one-step method. The product is divided into high-base number (TBN400) synthetic alkyl-benzene sulfonate containing chlorine and high-base number (TBN400) synthetic alkyl-benzene sulfonate without the chlorine. The product produced by adopting the method with low viscosity, small turbidity, easy filtration, light color and no skin formation has the advantages of excellent high-temperature detergency, excellent anti-foaming property and excellent heat storage stability.

An aqueous disinfecting solution and dry powdered composition which may be dissolved in water to provide the solution. The solution has a pH of from 0.6 to 7 and comprises (a) hydrogen peroxide in a concentration of from 0.01 to 6% w / w; and (b) at least one component chosen from cyclic carboxylic acids and aromatic alcohols, in a concentration of from 0.01 to 4 w / w %, all based on the total weight of the solution. The cyclic carboxylic acids are preferably 2-furan carboxylic acid, benzoic acid and salicylic acid. Furthermore, the solution preferably contains at least one C6-C12 alkyl diphenyl sulfonate surfactant and a nonionic surfactant. Additional optional ingredients include anionic surfactants, corrosion inhibitors, cation sequestering agents, and buffers.

The invention relates to agricultural pesticide with essential oil and an application thereof. The agricultural pesticide comprises the following components: 5-90% of the essential oil with insecticidal active components, and 5-90% of solvent, 5-90% of pesticide adjuvant. The essential oil is one or mixture made one from wintergreen oil, camphor tree oil, clove oil, peppermint oil, eucalyptus oil, citronella oil or tea tree oil. The solvent is one or a mixture made of formic acid, acetic acid, propionic acid, methyl alcohol, ethyl alcohol or propyl alcohol. The pesticide adjuvant is one or mixture made of dodecyl benzenesulfonic acid, Tween-80, Span-80 (SPAN) or OP-10. The invention has low toxin for animals, safety for environment, efficiency for pests at each life stage and good effects for killing mites and pests. The agricultural pesticide has simple use method and low manufacturing cost, and is suitable for killing the mites and the pests in agriculture and forestry.

The invention discloses a spherical montmorillonite mesoporous composite carrier and a preparation method thereof, a supported benzenesulfonic acid catalyst and a preparation method thereof, an application of the catalyst in an esterification reaction, and a preparation method of ethyl acetate. The spherical montmorillonite mesoporous composite carrier contains montmorillonite and a mesoporous molecular sieve material, average particle size of the spherical montmorillonite mesoporous composite carrier is 30-60 micrometers, the specific surface area is 150-600 square meters / gram, pore volume is 0.5-1.5 milliliters / gram, aperture distribution is trimodal distribution, most probable apertures corresponding to three peaks are 2-4 nanometers, 5-15 nanometers and 10-40 nanometers respectively. The provided supported benzenesulfonic acid catalyst has the advantages of high catalytic activity and repeated usage.

Liquid laundry compositions containing having improved brightener stability, which contain from about 6% to about 20%, by weight of the laundry composition, of a surfactant component that includes from about 1% to about 6%, by weight of the laundry composition, of a mid-branched primary alkyl sulfate surfactant having an average carbon chain length of from about 16 to about 17 and from about 0.5% to about 9%, by weight of the laundry composition, of an HLAS surfactant selected from alkyl benzene sulfonic acids, alkali metal salts of C10-16 alkyl benzene sulfonic acids, in combination with from about 0.03% to about 0.2%, by weight of the laundry composition, a water-insoluble optical brightener having a water solubility when measured at about 50° C. of from 0 to about 2 g / l; and from about 0.5% to about 4%, by weight of the laundry composition, of monethanolamine, wherein the ratio of HLAS surfactant to a total amount of surfactant, on a weight basis, is from about 1:14 to about 5:7; the ratio of monoethanolamine to the total amount of surfactant is from about 1:15 to about 1:4; and the ratio of water insoluble brightener to the total amount of surfactant is lower than about 1:100. Methods of improving the deposition of a water-insoluble brightener onto fabrics using such compositions.

The invention discloses a water-based environment-friendly finishing paint, which is prepared from the following compositions in part by weight: 20 to 70 parts of water borne acrylic resin solution of which the solid content is 30 to 80 percent and / or 20 to 70 parts of water borne epoxy resin solution of which the solid content is 30 to 80 percent, 4 to 10 parts of water borne amino resin solution of which the solid content is 60 to 98 percent; 1 to 5 parts of organic amine, 0.2 to 2 parts of wetting and leveling agent, 0.2 to 2 parts of thickener, 0.1 to 0.8 part of defoaming agent, 1 to 5 parts of adhesion promoter, 0.2 to 5 parts of catalyst, 10 to 30 parts of alcohol diluting solvent and / or 1 to 5 parts of nontoxic ether diluting solvent, and 20 to 50 parts of deionized water, wherein the catalyst is one or more of ammonias, alcohols and benzenesulfonic acids. The water-based environment-friendly finishing paint has the advantages of wide applicable range, high hardness, good flexibility, strong adhesion, good scratchproof performance, and environmental protection. Simultaneously, the invention also discloses a method for preparing the water-based environment-friendly finishing paint.

The present invention relates to benzenesulfonic acid salts of clopidogrel, including crystalline clopidogrel besylate in form III, processes for the preparation of these salts, the use of these salts for producing pharmaceutical formulations, and to pharmaceutical compositions comprising these salts.

The invention relates to a preparation method for electroactive aniline oligomer-modified graphene. The preparation method comprises the following steps of: reducing graphite oxide by a reducing agent, cooling the reduced graphite oxide to the room temperature, centrifuging and drying the cooled graphite oxide to obtain the reduced graphene; ultrasonically dispersing the reduced graphene and the aniline oligomer into an organic solvent; adding dicyclohexyl carbodiimide and 4-dimethylamino-pyridine to the mixed solution; stirring and heating up the mixture for reacting; washing the mixture by a plurality of times by using acetone, alcohol and distilled water in sequence after the reaction is completed; and drying the mixture to obtain the aniline oligomer-modified graphene; doping the aniline oligomer-modified graphene by hydrochloric acid or dodecylbenzene sulfonic acid to obtain the electroactive aniline oligomer-modified graphene. The preparation method has the beneficial effects that the solubility in the organic solvent is improved and the specific capacitance reaches 160 F / g, so that the electroactive aniline oligomer-modified graphene has a broader application prospect in the fields such as super capacitors, solar cells and the like.

The invention relates to a method for preparing calcium sulfonate with high base number. In the method, alkyl benzene sulfonic acid and / or petroleum sulfonic acid serve as raw materials, low molecular alcohol serves as accelerating agent, calcium oxide and / or calcium hydroxide serve as calcifying agent; firstly, neutralization reaction is carried out to generate calcium sulfonate; then carbonation reaction is carried out for twice, post-treating agent is added for reaction; finally, alcohol, water, solvent and solid residue are removed to obtain the calcium sulfonate with high base number. The product of the invention is especially suitable for preparing lubricating grease, can shorten conversion time of calcium sulfonate crystal form, improve high-temperature bproperty and anti-moisture performance of the lubricating grease and satisfy the demands of high-performance lubricating grease.

A rigid, rod liquid crystal polymer includes a a poly(phenylene sulfonic acid).

The present invention relates to a flame-resistant and heat-resistant copper clad laminate preparation method, which comprises: adopting nanometer silica foam, dodecyl benzenesulfonic acid, bismuth nitrate pentahydrate, methyl trichlorosilane and polyoxyethylene sorbitan monooleate as a raw materials to obtain a filler; adopting DOPO, a bisphenol A cyanate ester monomer, a phenol compound, a m-nitrobenzene sulfonic acid pyridine salt, 2,3-epoxy cyclopentyl cyclopentyl ether and dimethyl phosphonate as raw materials to obtain a resin prepolymer; adding the filler to o-phthalic acid diglycidyl este to obtain an active filler; mixing the resin prepolymer and an indole compound, and then adding the active filler and isomeric undecanol polyoxyethylene ether phosphate potassium salt to obtain a composite system; and carrying out hot pressing molding on the composite system, a reinforced material and metal foil to obtain the flame-resistant and heat-resistant copper clad laminate, wherein the flame-resistant and heat-resistant copper clad laminate has characteristics of excellent flame retardant property and excellent heat resistance, and meets the development applications of the flame-resistant and heat-resistant copper clad laminate.

The invention relates to a method for preparing cabazitaxel, particularly relates to a method for preparing the cabazitaxel by taking 10-deacetylate-baccatin III as a raw material and belongs to the technical field of drug synthesis. The method comprises the following steps: firstly, reacting 10-DAB with chlorocarbonate-2,2,2-trichloro ethyl ester, thereby obtaining a product; reacting the product with DMAP (dimethylamino pyridine), DCC (dicyclohexylcarbodiimide) and (4S, 5R)-2,2-dimethyl-4-phenyl-3-tert-butoxycarbonyl-3.5-oxazolidine formic acid, thereby obtaining a product; reacting the product with acetic acid and zinc powder, and then methylating the product; and lastly, adding a p-methyl benzenesulfonic acid, thereby reacting and obtaining a cabazitaxel product. The cabazitaxel prepared according to the method can be widely applied to the treatment of prostate cancer. Compared with a traditional technique for preparing the cabazitaxel, the method has the advantages that the preparation quantity is greatly increased, the operation steps are simplified, the manpower is saved and the method has industrial application value and prospect.

A method and apparatus for treating for disposal oil-contaminated clay substrates such as drill cuttings from drilling with an oil-based mud. If necessary, the substrate is pretreated with an aqueous emulsion breaker such as alkylbenzenesulfonic acid. The substrate is mixed under high shear conditions with a mineral acid such as sulfuric acid. This can be done in an agitated reactor with sequential addition of the organic and inorganic acids. The substrate is then mixed with alkaline earth such as lime in a second agitated reactor. The reactions between the acid(s), alkaline earth and substrate are exothermic and provide heat to vaporize the oil, reaction products and water. Recoverable constituents in the vapor can be condensed in a vapor collection system. The treated substrate is essentially free of oil and has a controlled water content.

A method for preparing agricultural germicid, include the steps: 4-(4-) -2-chloro acetophenone propylene glycol generate cyclics-3-chlorine-4-(2,4-dimethyl-1,3-dioxane-2-group)benz-4'-, the reaction happens with catalyst-paratoluenesulfonic acid existing in the solvent, the density mess ratio is 5-50%. When catalyst-paratoluenesulfonic acid exists, the cyclics reacts with bromine, generating bromide-3-chlorine-4-(4-methyl-2- -1,3-dioxane-2-group)benz-4'-chlorine, the bromidereacts with 1,2,4- with potassium bromide as catalysis in acutesolvent, whose density mess ratio is 15-50%, acquiring the target compound. The invention has increased the productive efficiency of by more than 20%.

The invention relates to a composite phosphating solution of P-Ca-V on the surface of a magnesium alloy and a method for chemical conversion treatment. The solution is characterized in that each liter of the composite phosphating solution comprises the following compositions: 4 to 20 milliliters of 85 percent phosphoric acid of, 5 to 30 grams of sodium dihydrogen phosphate, 10 to 40 grams of calcium nitrate, 0.5 to 10 grams of benzene sulfonic acid sodium salt, 0.5 to 5 grams of ammonium metavanadate, and the balance being water. The method comprises the following steps: pre-degreasing, degreasing, secondary water washing, acid washing, secondary water washing, alkaline etching, secondary water washing, chemical transformation, secondary water washing, pure water washing, and drying. Taking an AZ91D magnesium alloy as an example, 48 hours after a corrosion resistance salt spray test after the treatment by the method of the invention, the corrosion area of the AZ91D magnesium alloy is less than 1 percent; the paint film adhesive force is at 0 level by a grid method and is obviously superior to the performance of a chromate conversion coating; and the formed chemical conversion coating does not contain crystal water. The composite phosphating solution has the synergistic reaction of Ca and V, as well as the functions of a corrosion inhibitor and a wetting agent of the benzene sulfonic acid sodium salt.

To provide a polishing compound which is capable of polishing SiC at a high removal rate, or capable of suppressing polishing of silicon dioxide in an insulating layer on the other hand, while polishing SiC at a high removal rate, in production of a semiconductor integrated circuit device, whereby it is possible to obtain a semiconductor integrated circuit device having a planarized multiplayer structure.The present polishing compound comprising abrasive particles (A), an adjusting agent of removal rate (B) which is at least one selected from the group consisting of a benzotriazole, a 1H-tetrazole, a benzene sulfonic acid, phosphoric acid or organic phosphonic acid, an organic solvent (C) having a relative permittivity of from 15 to 80, a boiling point of from 60 to 250° C. and a viscosity of from 0.5 to 60 mPa·S at 25° C., and water (D).

The invention provides a novel synthesis method for pimavanserin. The method comprises the steps that a compound formula (1a) is adopted as a raw material for preparing an active urea compound formula (1) and then subjected to a reaction with a compound formula (2) under an alkaline system to obtain a pimavanserin free alkali formula (3), and then pimavanserin free alkali forms a salt with tartaric acid to obtain a pimavanserin half tartrate formula (4). The method is simple in technological path, low in cost and suitable for industrial production. The formula is shown in the description, wherein HmA is the general formula of m-basic acid, HnA is the general formula of n-basic acid, m and n are 1 or 2 or 3, and the m-basic acid and the n-basic acid are selected from sulfuric acid, hydrochloric acid, phosphoric acid, p-toluenesulfonic acid, benzenesulfonic acid, methanesulfonic acid, methanoic acid, acetic acid, trifluoroacetic acid, oxalic acid, citric acid or tartaric acid.

The invention discloses benzene sulfonic acid levo-amlodipine pills and a preparation method thereof. On the basis of 1000 pills, the benzene sulfonic acid levo-amlodipine pill comprises 1-10g of benzene sulfonic acid levo-amlodipine, preferably 2.5g; 50-100g of lactose, preferably 67-87g and most preferably 80g; 5-55g of low-substituted hydroxy propyl cellulose, preferably 20-40g and particularly preferred 30g; 2-20g of crosslinked polyethylene ketopyrrolidine, preferably 5g; and 0.5-2.5g of magnesium stearate, preferably 1.5g. The benzene sulfonic acid levo-amlodipine pills have more than 95 percent of dissolution rate and good production stability.

The invention provides a reversed phase emulsion splitter, which is a product of the combination of long-chain alkyl 1.0G polyamide-imide and long-chain alkyl benzenesulfonic acid in a solvent, wherein the long-chain alkyl 1.0G polyamide-imide is a compound of a general structural formula I and the long-chain alkyl benzenesulfonic acid is a compound of a general structural formula II; in the formula I, R1 is an alkyl of which the main chain has 6 to 28 carbon atoms; and in the formula II, R2 is an alkyl of which the main chain has 6 to 24 carbon atoms. The reversed phase emulsion splitter has high emulsion splitting performance for O / W type emulsions and can be used in the field of the low-temperature dehydration of reversed phase emulsions and the treatment of oil-containing waste water.

Pigmented inks are disclosed comprising an aqueous medium, a pigment, a dispersant, and a humectant. Inks are disclosed where the humectant is a sulfonated polyethylene oxide which provides long decap times and fast drying of the printed image. Inks are further disclosed where the dispersant is an alkyl(sulfophenoxy)benzenesulfonic acid or its salt. Such dispersants reduce the agglomeration of pigment particles and reduce or eliminate the deposition of foreign substances on heater elements during the jetting process. A variety of pigments, dispersants, humectants, and aqueous media can be used. Combinations of a sulfonated polyethylene oxide humectant and an alkyl(sulfophenoxy)benzenesulfonic acid (salt) dispersant provide inks with good stability, few kogation problems, long decap times and relatively fast drying times.

The invention discloses a synthesis method of dicamba, which comprises the following steps of: using 2, 5-dichlorophenol as raw materials, conducting sulfonation and bromination reaction to obtain 4-hydroxy-2, 5-dichloro-3-bromobenzenesulfonic acid, treating the 4-hydroxy-2, 5-dichloro-3-bromobenzenesulfonic acid by using alkyl metal complexes of magnesium or lithium, conducting electrophilic addition reaction with CO2 to obtain 5-sulfo-3, 6-diclorsalicylic acid, removing the sulfo of the 5-sulfo-3, 6-diclorsalicylic acid and conducting O-methylation reaction with methyl chloride to obtain the dicamba. The synthesis method of dicamba has the advantages that since the 2, 5-dichlorophenol is used as the raw materials, the raw materials for reaction are easy to obtain, the reaction process is environmental-friendly, the quality of the obtained product is high, the yield is high and the application value is greater.

The invention discloses a spherical montmorillonite mesoporous composite carrier and its preparation method, a supported benzenesulfonic acid catalyst and its preparation method, a use of the supported benzenesulfonic acid catalyst in an esterification reaction, and a preparation method of ethyl acetate. The spherical montmorillonite mesoporous composite carrier contains montmorillonite and a mesoporous molecular sieve material having a three-dimensional tunnel structure. The spherical montmorillonite mesoporous composite carrier has the average particle size of 20-50 microns, a specific surface area of 150-600 m<2> / g and a pore volume of 0.5-1.5ml / g, and has a bimodal pore diameter distribution mode and most probable pore diameters of 2-8nm and 20-50nm corresponding to two peaks. The supported benzenesulfonic acid catalyst has high catalytic activity and can be recycled.

The invention relates to a silica gel matrix separation material, wherein two or more silane reagents form nonpolar / polar copolymerization stationary phase through the copolymerization on silica gel surface. The structural formula of the nonpolar / polar copolymerization stationary phase is as follows: FORMULA, wherein Silica Gel is silica gel; NP stands for nonpolar group, which is one or more of C1 to C30 normal chain alkyl and phenyl; and P stands for polar group, which is one or more kinds of C1 to C12 normal chain alkyl whose tail end has the functional group such as chlorine atom, bromineatom, cyan, amido, benzenesulfonic acid group, sulfo group, carboxyl, quaternary ammonium group and alcohol group. The bonded phase of the separation material has novel structure, and simultaneously has nonpolar group and polar group, thereby being capable of providing hydrophobic force and polymorphic polar acting force, and greatly improving the selectivity of the inverse and efficient liquid chromatogram. The stationary phase prepared with the preparation method provided by the invention has the advantages of even and stable surface bonding group, large bonding quantity, and the like.

The invention relates to a water body, a method for rapidly detecting the residue of malachite green and colorless malachite green in an aquatic product, belonging to the technical field of residue detection in a water body and an aquatic product. The method comprises the following steps: oscillating and mixing a sample to be detected and an extractant I uniformly; adding an extractant II, oscillating and mixing and then standing still; taking and adding an supernatant to an enrichment column; observing color change of a chromogenic reagent on the lowest layer; and determining that the sample contains the malachite green and colorless malachite green if a green circular strap is formed. The extractant I is a mixed solution of acetonitrile, dichloromethane, n-hexane and paratoluenesulfonic acid, the extractant II is a mixture of lead dioxide and acid alumina, and the sample to be detected is a water body sample to be detected or an aquatic product sample to be detected. The invention has the advantages of simple operation and fewer steps, does not need expensive instruments and equipment and can embody the convenience and the flexibility to on-site detection.