69 results about "Methyl ricinoleate" patented technology

A process of preparing an unsaturated alcohol (olefin alcohol), such as, a homo-allylic mono-alcohol or homo-allylic polyol, involving protecting a hydroxy-substituted unsaturated fatty acid or fatty acid ester, such as methyl ricinoleate, derived from a seed oil, to form a hydroxy-protected unsaturated fatty acid or fatty acid ester; homo-metathesizing or cross-metathesizing the hydroxy-protected unsaturated fatty acid or fatty acid ester to produce a product mixture containing a hydroxy-protected unsaturated metathesis product; and deprotecting the hydroxy-protected unsaturated metathesis product under conditions sufficient to prepare the unsaturated alcohol. Preferably, methyl ricinoleate is converted by cross-metathesis or homo-metathesis into the homo-allylic mono-alcohol 1-decene-4-ol or the homo-allylic polyol 9-octadecene-7,12-diol, respectively.

A method for the treatment of carcinoma in a human is disclosed, including administering to a human a therapeutically effective amount of 9-cis, 11-trans octadecadienoic acid formed by reacting an ester of ricinoleic acid with a tosyl chloride or a mesyl chloride to form a tosylate or mesylate of an ester of ricinoleic acid, and reacting the tosylate or mesylate of an ester of ricinoleic acid with diazabicyclo-undecene. The method includes administering to a human a purified conjugated linoleic acid (CLA) produced by a novel synthesis process for producing 9-cis, 11-trans octadecadienoic acid at room temperature in high yield including providing a tosylate or mesylate of a methyl ester of ricinoleic acid and providing a purified 9-cis, 11-trans octadecadienoic acid formed when the tosylate or mesylate reacts with diazabicyclo-undecene.

The invention relates to a method for preparing epoxidized methyl acetorieinoleate, which is processed by the following steps: (1) under the condition that the reaction pressure is the normal pressure and the reaction temperature is between the room temperature and 140 DEG C, adding a solid acid NaHSO4 catalyst into a mixed liquor of methyl ricinoleate and acetic anhydride, stirring the mixture, wherein the usage amount of the solid acid NaHSO4 catalyst occupies more than or equal to 0.1 percent of methyl ricinoleate by mass, the mole ratio of the methyl ricinoleate to the acetic anhydride is 1:1.5-2.5 and the reaction time is between 0.1 and 10 hours; (2) directly making the reaction liquid in the step (1) carry out epoxidation with aqueous solution of H2O2, wherein the mole ratio of methyl acetylricinolate to H2O2 is 1:1-2, the reaction temperature is between the room temperature and 100 DEG C, the reaction time is between 1 and 10 hours and the reaction pressure is the normal pressure; and (3) after washing the crude epoxidized methyl acetorieinoleate until the epoxidized methyl acetorieinoleate is neutral, dehydrating to obtain the refined epoxidized methyl acetorieinoleate. The method reduces the acetylation reaction temperature from 140 DEG C to between 60 and 80 DEG C and catalyzes the epoxidation of the acetylated product so as to improve the epoxide number of the epoxidation product.

The invention discloses a preparation method of a metal drawing lubricant, and belongs to the technical field of lubricant preparation. The method comprises the steps of preparing lubricating oil base oil from ricinic acid methyl ester as a raw material, stripping molybdenum disulfide crystal through an ultrasonic assisted stripping method to prepare graphene structure-like molybdenum disulfide; compounding with a carbon nanotube dispersion liquid, doping carbon nanotubes into the graphene structure-like molybdenum disulfide to prepare the dispersion liquid which is high in stability, high in radiating capability and good in dispersibility; and finally stirring the lubricating oil base oil, polyvinyl alcohol and deionized water and mixing the mixture with the carbon-doped graphene structure-like molybdenum disulfide to obtain the metal drawing lubricant. A low-shear stress film is formed on the surface of a friction pair by using the prepared graphene structure-like molybdenum disulfide, so that the friction coefficient is reduced and the low-shear stress film plays filling and repairing roles on the friction surface, meanwhile, the conditions of breakage of a metal wire and generation of an offensive odor are not easily generated in the using process, and the low-shear stress film is free of a harm to the environment and a human body and has a wide application prospect.

A film-forming composition formed by solubilizing higher concentrations of polyanhydride resins using a mixture of a fatty acid triglyceride derivative and a diester of 2-Octanol and Adipic Acid. In one embodiment, a composition in accordance with the invention comprises between about 1% and 55% by weight of Furandione (2,5)-Polymer with 1-Octadecene; between about 10% and 35% by weight of Dicapryl Adipate; and between about 10% and 35% by weight of Methyl Acetyl Ricinoleate. Such a composition may impart a water resistant property to oil-in-water and water-in-oil emulsions, and to anhydrous solid and semi-solid preparations, while remaining solubilized, stable and pourable at 25° C.

The invention relates to the field of oil removal agents, in particular to an environment-friendly oil removal agent. The environment-friendly oil removal agent at least comprises the following components of, by weight, 5-13 parts of alcohol alkoxylate sodium sulfate, 3-12 parts of ricinoleic acid methyl ester ethoxylates, 2-5 parts of coco fatty acid diethanol amide, 1-4 parts of 12 dodecyl dimethyl benzyl ammonium chloride, 2-3 parts of dodecyl dimethyl betaine, 5-12 parts of succinic acid, 3-7 parts of citric acid, 1-3 parts of hydrochloric acid, 1-2 parts of hydrofluoric acid and 65-85 parts of deionized water.

The invention relates to a method for preparing 2-nonenal by ozonization with castor methyl oleate as the raw material, ethanol and n-hexane as the solvent, comprising performing ozonization by ventilating O3/O2 gas mixture after uniformly mixing the raw material and the solvent at the low temperature, slowly dropping aqueous solution of NaHSO3 in ozonides, raising temperature for reductive decomposition, regulating the pH to 9-11 by sodium hydroxide solution, setting the mixture aside for layering, removing the water layer, rinsing the organic phase to neutrality by de-ionized water, adding dilute sulphuric acid for reflux, and recovering solution through reduced pressure distillation, and obtaining the target product, 2-nonenal, through the molecular distillation of the reaction mixture. In the method, no high pressure is needed during the reaction; the solvent of n-hexane can be recovered for repeated use; the mixed solvent system solves the serious corrosion to the devices by using acetic acid as solvent; the method has clean process, environmental protection, safe execution, simple operation and convenient mass production. The separation and purification of the products are simple.

This invention is a process for enzymatic synthesis of estolides through the reaction between stearic acid and methyl ricinoleate, using an immobilized lipase as the catalyst, in a solvent-free medium. This process prevents degradation of the product, reduces the formation of secondary products that generate color and odor in the lubricant, and allows recovery of the lipase and its subsequent reuse.

A method for synthesizing methyl ricinoleate ethoxylate sulfonate comprises the steps that methyl ricinoleate ethoxylate, sodium bisulfite, a catalyst, deionized water and higher alcohol are added to a reactor, stirred vigorously and subjected to a reaction at 30-55 DEG C for 2-3 h, wherein the mole ratio of the methyl ricinoleate ethoxylate to the sodium bisulfite is 1:(1-3.5), the use quantity of the catalyst is 4.5%-6.5% of the mass of the methyl ricinoleate ethoxylate, and the mass ratio of the higher alcohol, the deionized water and the methyl ricinoleate ethoxylate is (1-3.5):(1-3.5):1; after the reaction, water and the higher alcohol are removed through reduced-pressure distillation, obtained solids are dissolved with excessive absolute ethyl alcohol, salts in the solution are removed through hot filtration, ethyl alcohol is removed through reduced-pressure distillation, and a product is obtained. The method has the advantages of low reaction temperature, short reaction time and high conversion rate.

The invention provides a preparation method of methyl acetylricinolate, the preparation method comprises the following steps: step a, using ionic liquid catalyst (Hmim) HSO4 for methyl esterification of castor oil to obtain methyl ricinoleate; and step b: using the ionic liquid catalyst (Hmim) HSO4 for acetylization of the methyl ricinoleate to obtain the methyl acetylricinolate. According to the preparation method, the (Hmim) HSO4 ionic liquid catalyst is used for methyl esterification and acetylation of the castor oil to obtain the methyl acetylricinolate, and the method has the advantages of simple production process, low cost and high product yield, and is conducive to the realization of the industrialized mass production of the methyl acetylricinolate.

The invention belongs to the technical field of concrete additives and particularly relates to a self-curing polycarboxylic type water reducer and a preparation method thereof. The self-curing polycarboxylic type water reducer is prepared from a polyether macromonomer, a polyether micromonomer, a regulation monomer-methyl ricinoleate, a grafting monomer-sodium hydroxyethyl methyl cellulose, a cross-linking agent-ethylene glycol dimethacrylate, a chain transfer agent, an initiator and deionized water. The self-curing polycarboxylic type water reducer has the advantages that after the sodium hydroxyethyl methyl cellulose is introduced into a molecular structure and the cross-linking agent-the ethylene glycol dimethacrylate is used for proper cross-linking, the self-curing polycarboxylic type water reducer can achieve solvent swelling and is capable of retaining internal water required by cement hydration, thereby having a self-curing function.

The invention discloses a method for improving the compatibility of an epoxidized methyl acetylricinolate plasticizer and PVC (Polyvinyl Chloride) resin. The method is characterized in that a utilizedacetylation reagent contains chlorine atoms with a certain quantity; the compatibility of the epoxidized methyl acetylricinolate plasticizer and the chlorine-containing PVC resin can be remarkably improved, so that the transferring resistance of the plasticizer is improved, and the flexibility and durability of a PVC product are improved. The plasticizer prepared by the method disclosed by the invention has no toxin and is environmentally friendly, can be used for replacing or partially replacing a phthalate plasticizer to produce products including polyvinyl chloride artificial leather, foodpackages, medical devices and the like, and has a wide application prospect.

The invention discloses a high-strength cable material used for a railway vehicle, and a preparation method thereof. The high-strength cable material is prepared from the following raw materials by weight: 85-105 parts of polyphenylene sulfide, 40-60 parts of aromatic polycarbonate, 25-35 parts of ethylene-methyl acrylate-glycidyl methacrylate terpolymer, 4-8 parts of diphenyl-methane-diisocyanate, 12-16 parts of bis(4-carboxyphenyl)phenyl-phosphine oxide, 10-15 parts of zinc aluminate, 20-30 parts of magnesium hydroxide,8-12 parts of basalt short fibers, 2-3 parts of methacryloyloxy propyltrimethoxysilane, 3-5 parts of tri-(stearic mercaptoacetate)antimonium, 2-3 parts of calcium stearate, 1.5-2.5 parts of barium stearate, 4-8 parts of erucyl amide, 3-6 parts of polyethylene wax, 15-20 parts of calcined clay, 10-15 parts of basic magnesium chloride whiskers, 20-30 parts of precipitated white carbon black, 14-18 parts of modified stone powder, 10-15 parts of epoxidized methyl acetorieinoleate and 2-3 parts of an antioxidant 1222. The cable material provided by the invention has the advantages of high mechanical strength, high flame retardance, fire resistance, good thermal stability, excellent electrical insulation property, wide usage temperature range, etc.

The invention discloses pre-dispersing masterbatch for an rubber accelerator ETU (N,N-ethylene thiourea) and a preparation method of the pre-dispersing masterbatch. The pre-dispersing masterbatch comprises components in parts by weight as follows: 72-82 parts of ETU, 8-16 parts of rubber carriers, 2-4 parts of EVA (ethylene vinyl acetate copolymer) resin, 1-3 parts of epoxidized methyl acetorieinoleate, 2-4 parts of saturated fatty acid zinc, 1-8 parts of naphthenic oil and 1-3 parts of color masterbatch. The pre-dispersing masterbatch for the rubber accelerator ETU is convenient to store, transport and weigh, the preparation method of the pre-dispersing masterbatch is simple and high in operability, original activity of ETU can be guaranteed, the problems that ETU is prone to agglomeration and is non-uniform in dispersion when directly put into rubber for mixing are solved, the problem of ETU dust pollution can be solved, and the health problem of an operator caused by inhalation of ETU dust is solved; besides, the masterbatch is colored, so that material identification and management are facilitated, mistaken charging caused by the operator during feeding for follow-up rubber product mixing is avoided, and the application of the color masterbatch has no influence on colors of follow-up prepared rubber products.

The invention discloses a synthetic method of castor oil derivative based long-chain HBP (hyperbranched polyester) with low viscosity and good chain segment flexibility. Biodegradable ricinoleic acidor methyl ricinoleate which is sourced from natural renewable resources is used as a starting material instead of a non-biodegradable petroleum based chemical, an ABn self-polycondensation monomer issynthesized conveniently and efficiently by an environment-friendly solvent-free thiol-ene photo-click reaction, and novel bio-based HBP is obtained finally in a staged polymerization manner. Comparedwith the conventional petroleum based HBP, synthesized bio-based HBP not only has highly-branched molecular structure of general HBP, but also has the advantages of low glass transition temperature,good fluidity and the like due to the specific structural characteristics that a main chain of HBP has longer soft segments and contains a large quantity of C6 aliphatic alkyl hanging side chains.

The invention discloses a wool spinning oiling agent with high performance which is composed of spindle oil, oleic acid polyethylene glycol ester, oleic acid polyoxyethylene (14) ester, oleyl alcohol and castor methyl oleate. The wool spinning oiling agent with high performance has the advantages of reasonable formula, good usage effect and low production cost.

An automobile windshield washer fluid for use in summer and a preparation method thereof are disclosed. The windshield washer fluid includes lauric acid, coconut oil acid diethanolamide, ethoxylated methyl ricinoleate, ethanol, essence, an aqueous ultraviolet ray absorbent PR020, chrysanthemum flower essential oil, water-based lanolin, and water. The windshield washer fluid has good mosquito repellent effect, can greatly reduce stay of mosquitoes on glass, can maintain glass clarity well and has good cleaning effect. The windshield washer fluid can effectively resist ultraviolet rays, preventsultraviolet rays from entering an automobile through glass, and under the premise of not damaging metal or rubber, can effectively protect the metal and rubber from being corroded by other substances. A manufacturing process is simple and easy to operate, and raw materials are cheap, easily available, nontoxic, harmless, nonirritant to human body and low in volatility. The method is simplified inprocess, safe and simple in operation and prone to industrial production. Good economic benefit can be obtained through use of the windshield washer fluid.

The invention relates to a novel castor-based polyurethane coating material and a preparation method thereof.The preparation method comprises the steps that oligomeric ricinoleic acid with different acid values serves as a raw material, carboxyl in the oligomeric ricinoleic acid is subjected to methyl esterification, and polyricinoleic acid methyl ester is formed; then, double bonds in polyricinoleic acid methyl ester molecules are subjected to epoxidation; and further performing cycloaddition reaction on the obtained epoxidized methyl polyricinoleate and carbon dioxide to prepare the polycyclic carbonate methyl ricinoleate containing 3-8 cyclic carbonate structural units as a polyurethane precursor. The polyurethane precursor reacts with polyamine, and obtained polyurethane has water resistance and acid and alkali resistance, is stable at the temperature of 200 DEG C and can be used as a coating material. The process is clean and pollution-free, non-edible oil castor oil is used as a raw material, and the development concept that biomass does not comply with people for grains is met.

The invention discloses a mouldproof special material for a communication optical fiber cable jacket and a preparation method thereof. The mouldproof special material is prepared from the following raw materials in parts by weight: 42-64 parts of polyphenyl ether, 28-44 parts of a styrene-butadiene-styrene triblock copolymer, 4-7 parts of diazolidinyl urea, 3-5 parts of para-hydroxybenzoate chitosan ester, 2-4 parts of o-phenylphenol, 10-15 parts of light roasting powder, 8-14 parts of epoxidized methyl acetorieinoleate, 10-15 parts of sienna stone powder, 1-2 parts of allylthiourea, 4-6 parts of alurninium hydroxydistearate, 5-10 parts of dioctyl isophthalate, 12-16 parts of cryolite powder, 4-8 parts of butyl epoxystearate, 5-10 parts of liquid paraffin, 6-12 parts of magnesium hydroxide, 4-8 parts of zinc borate, 1-2 parts of nickel dibutyl dithiocarbamate, 2-3 parts of propyl gallate and 3-5 parts of auxiliaries. The special material for the jacket disclosed by the invention is good in mouldproof property, wear resistance and corrosion resistance, can be used for a long time in a humid environment, can be used for effectively inhibiting propagation of moulds and has excellent dimensional stability, remarkable propagate, relatively high tensile strength and relatively good creep resistance, wear resistance and temperature resistance.

The invention relates to a method for synthesizing methyl ricinoleate ethoxylate sulfonate. The method comprises the steps of adding methyl ricinoleate ethoxylate, sodium bisulfite, a catalyst, deionized water and low carbon alcohol into a reactor, carrying out a reaction with violent stirring, carrying out distilling at reduced pressure after the reaction ends so as to remove water and the low carbon alcohol, carrying out dissolving by using excessive anhydrous ethanol so as to remove unreacted sodium bisulfite and produced sodium sulfite, and carrying out distilling at reduced pressure to remove ethanol, thereby obtaining the product, wherein the mole ratio of methyl ricinoleate ethoxylate to sodium bisulfite is 1: (1.5 to 2.5), the use level of the catalyst is 1.5% to 2.5% the mass of methyl ricinoleate ethoxylate, and the mass ratio of the low carbon alcohol to the deionized water to methyl ricinoleate ethoxylate is (0.9 to 3): (0.9 to 3): 1. The method has the advantages that the synthesis process is simple and safe, and waste acids and waste alkalis cannot be generated.

The invention discloses a modified pseudo-boehmite butadiene-acrylonitrile rubber compound cable material and a preparation method thereof. The modified pseudo-boehmite butadiene-acrylonitrile rubber compound cable material is prepared from the following raw materials in parts by weight: 50 to 60 parts of acrylonitrile rubber, 30 to 35 parts of pseudo-boehmite, 20 to 30 parts of thermoplastic polyurethane elastomer, 30 to 40 parts of poly(isobutylene-co-p-methyl-styrene-co-p-bromomethylstyrene), 10 to 12 parts of neopentyl glycol dibenzoate, 6 to 8 parts of calcium stearate, 30 to 40 parts of 2-ethylhexyl diphenyl phosphate, 3 to 5 parts of zinc oxide, 6 to 8 parts of chloropropyl triethoxy silane, 4 to 6 parts of polyterpene phenolic resin, and the like. According to the modified pseudo-boehmite butadiene-acrylonitrile rubber compound cable material and the preparation method thereof provided by the invention, the modified pseudo-boehmite butadiene-acrylonitrile rubber is used, so that the volume resistivity of the acrylonitrile rubber is increased, and an electrical insulation property of the acrylonitrile rubber is improved; and the pseudo-boehmite treated by the chloropropyl triethoxy silane, the epoxidized methyl acetorieinoleate and the 2-ethylhexyl diphenyl phosphate is used as a filler, so that a mechanical property of the product is improved, the surface states of pseudo-boehmite particles can be well improved, the compatibility of the pseudo-boehmite particles and the acrylonitrile rubber is improved, and the ageing resistance of the acrylonitrile rubber material can be remarkably improved.

The invention discloses automobile glass water used in summer and a preparation method of the automobile glass water. The automobile glass water used in summer comprises lauric acid, coconut diethanolamide, castor oil acid methyl ester ethoxylate, ethanol, essence, an ultraviolet light absorber uv-p, lavender essential oil, sorbic acid and water. Due to the addition of the ultraviolet light absorber, the absorbed light energy is converted into heat energy by virtue of the conversion from a keto molecular structure to an enol molecular structure, so that the irradiation of ultraviolet light toa substrate is reduced, and the substrate is better protected; the surface of the substrate is firmly coated with an effective substance by virtue of sorbic acid serving as a corrosion inhibitor, so that the service life of the substrate is prolonged, and rusting can also be avoided. A surfactant prepared by compounding lauric acid, coconut diethanolamide and ethoxylate can be used for remarkablyreducing the tension on the surface of the substrate and improving the cleaning effect of the solution, meanwhile, the surfactant interacts with the ultraviolet light absorber and the corrosion inhibitor, and therefore, the ultraviolet light absorption effect and the anti-corrosion effect are obviously improved.