78 results about "Erucic acid" patented technology

The invention relates to the technical field of physical property analysis, in particular to a rapeseed oil quality detection method and device and a storage medium. Determining Raman spectrum data of the rapeseed oil sample based on the oleic acid concentration and the erucic acid concentration; determining a peak intensity contribution coefficient based on the Raman spectrum data; based on the oleic acid concentration, the erucic acid concentration and the peak intensity contribution coefficient, constructing a rapeseed oil quality detection model; and performing quality detection on Raman peak characteristics of to-be-predicted rapeseed oil based on the rapeseed oil quality detection model to obtain a detection result of the to-be-predicted rapeseed oil. According to the method, the prediction precision of the rapeseed oil quality is improved.

The invention belongs to the technical field of pipes, and particularly relates to an ultra-high molecular weight polyethylene pipe super-lubrication extrusion aid and a preparation method thereof. The extrusion aid consists of the following components in parts by mass: 5-11 parts of an internal lubricant, 4-10 parts of an external lubricant, 3-5 parts of a plasticizer, 12-25 parts of a filler and 0.5-2 parts of an antioxidant, the external lubricant is prepared by mixing organic silicon modified epoxy oleic acid triglyceride, erucic acid, zinc stearate and stearic acid according to the mass ratio of 100: (20-40): (10-25): (5-15). The ultra-lubricating extrusion aid for the ultra-high molecular weight polyethylene pipe prepared by the invention realizes stable extrusion of ultra-high molecular weight polyethylene under the conditions of low energy consumption, high yield and high quality.

The present disclosure pertains to improved methods of preparing high melting dicarboxylic acids or oxo-acids (e.g., carboxylic acid / aldehydes) by ozonolysis of their esters. For example, the present disclosure provides methods for preparing brassylic acid by way of the ozonolysis of erucic acid ester, the method comprising the steps of converting the erucic acid to an ester, performing ozonolysis on the ester, and converting the resulting brassylate ester product to brassylic acid.

This invention belongs to the field of genetic engineering technology, specifically involving GmDREB2A2 Application of genes in regulating fatty acid content in plants. Overexpression. GmDREB2A2 Gene regulation of fatty acid content in plants. This invention utilizes an exogenous gene sequence expression vector to express the coding sequence shown in SEQ ID NO.1. GmDREB2A2 Gene sequences are introduced into plants to enable GmDREB2A2 Gene overexpression. Under these conditions, the plant's linolenic acid, linoleic acid, and palmitic acid content were significantly higher than the control, while the content of eicosatrienoic acid and erucic acid was significantly reduced.

The embodiment of the invention discloses a plastic filling lubricating master batch and a preparation method thereof. The plastic filling lubricating master batch comprises a filling agent, a polypropylene material, a heat stabilizer, an antioxidant, a reaction accelerator, a modifier, an elastic material, a lubricant and a coupling agent, wherein the filling agent is calcium carbonate; the polypropylene material is polypropylene 7042; the heat stabilizer is compounded by zinc stearate and a beta-diketone auxiliary stabilizer; the antioxidant comprises a main antioxidant, an auxiliary antioxidant and a synergist; the reaction accelerant is a compound of stearic acid and citric acid; the modifier is PE wax and / or EBS; the elastic material is POE (Polyolefin Elastomer); the lubricant is prepared by compounding erucyl amide and modified polyethylene wax; the coupling agent is a titanate coupling agent.

A synthetic fiber is disclosed, formed from a composition which is made of from about 1 to about 98 weight percent of at least one polyhydroxyalkanoate; from about 1 to about 10 weight percent of at least one nucleating agent selected from the group consisting of polyester waxes, behenamide, crodamide, stearamide, erucamide, pentaerythritol, dipentaerythritol, boron nitride, and mixtures thereof; and from about 0.1 to about 5 weight percent of at least one melt flow modifier selected from the group consisting of calcium stearate, zinc stearate, starch, diamide oligomers, organic peroxides, and mixtures thereof.

The application discloses a high-opening transparent polyethylene film, which is prepared from the following raw materials: 100 parts by mass of linear low-density polyethylene, 0.025-0.055 parts by mass of a compounded opening agent, 0.05-0.20 parts by mass of a slip agent and 0.05-0.20 parts by mass of an antioxidant; the compounded opening agent is compounded from silane-modified silicon dioxide, hydrated magnesium silicate and a cyclic olefin polymer, the mass ratio of the silicon dioxide, the hydrated magnesium silicate and the cyclic olefin polymer is 1:1:2-3:3:1, the slip agent is erucic acid amide, and the melt mass flow rate of the cyclic olefin polymer at 230 DEG C and under a load of 2.16KG is 3-10 g / 10min. By compounding the three opening agents, the amount of the silicon dioxide used is greatly reduced compared with the prior art.

The present application relates to the technical field of physical property analysis, and particularly relates to a rapeseed oil quality detection method and device and a storage medium, which comprises the following steps: obtaining the concentration of oleic acid and the concentration of erucic acid of a rapeseed oil sample; determining the Raman spectrum data of the rapeseed oil sample based on the concentration of oleic acid and the concentration of erucic acid; determining a peak intensity contribution coefficient based on the Raman spectrum data; constructing a rapeseed oil quality detection model based on the concentration of oleic acid, the concentration of erucic acid and the peak intensity contribution coefficient; and performing quality detection on the Raman peak characteristics of a rapeseed oil to be predicted based on the rapeseed oil quality detection model to obtain a detection result of the rapeseed oil to be predicted. The method improves the prediction accuracy of the quality of rapeseed oil.

The application discloses a low-molecular-weight hydrophobic associating polymer, and a molecular formula of the low-molecular-weight hydrophobic associating polymer is: wherein R is erucylamide propyl dimethyl quaternary amine, hexadecyl dimethyl quaternary amine, octadecyl dimethyl quaternary amine or behenyl dimethyl quaternary amine, x, y, z and m are monomer molar ratios, x is 69% to 80%, y is 16% to 23%, z is 3.5% to 7%, and m is 0.5% to 1%. The application further discloses a preparation method and application of the low-molecular-weight hydrophobic associating polymer. The fracturing fluid prepared from the low-molecular-weight hydrophobic associating polymer has excellent hydrophobic associating performance, shows the characteristics of low viscosity and high elasticity, can simultaneously meet the construction requirements of strong sand carrying capacity and easy pumping, and has a good application prospect in oilfield fracturing.

The invention discloses low-odor and high-smoothness polyethylene resin as well as a preparation method and application thereof. The polyethylene resin comprises the following components in parts by mass: 100 parts of polyethylene resin A, 0.5-5 parts of smooth master batch, 0.5-5 parts of an initiator and 0-5 parts of an antioxidant, the smooth master batch is prepared by melting and blending raw materials including polyethylene resin B, a slipping agent, a grafting agent and a compatilizer; the slipping agent is selected from fatty acid amides, preferably one or more of oleamide, erucyl amide and octadecanamide; the grafting agent is selected from one or two of gallic acid and ellagic acid.

This invention discloses a nanoemulsion, its preparation method, and its application. By mass percentage, the nanoemulsion comprises the following components: 52.0%–78.5% glycerol, 20.0%–40.0% oil, and 1.5%–8.0% polyglycerol-10 stearate; wherein the oil is any one or a mixture of at least two of meadowfoam seed oil, jojoba seed oil, low-erucic acid rapeseed oil, olive fruit oil, and squalane. This invention prepares a 120nm nanoemulsion by high-pressure homogenization of the oil. Thus, by simply adding the nanoemulsion to water with stirring, it can achieve long-term stable dispersion in an aqueous system and is not prone to rancidity. This overcomes the limitations of conventional aqueous formulations in terms of component composition. High-pressure homogenization can be used to form nanoemulsions, enabling the development of more oil emulsions that can be stabilized in an aqueous system with simple stirring, thereby developing more stable aqueous spray products.

The invention relates to the technical field of recycled asphalt mixtures, and particularly discloses a recycled asphalt mixture with good durability and a preparation method thereof. The invention discloses a recycled asphalt mixture with good durability. The recycled asphalt mixture is prepared from 60-80 parts of a waste asphalt mixture reclaimed material, 4-7 parts of new asphalt, 15-18 parts of a new aggregate, 2-5 parts of fibers, 3-7 parts of a regenerant and 2-5 parts of filler, wherein the regenerant is prepared from aromatic hydrocarbon oil, triethylene glycol di-2-ethylhexoate, 2-ethylhexyl diphenyl phosphate, dioctyl terephthalate, epoxidized soybean oil, dipropylene glycol methyl ether acetate, polymethylene polyphenyl polyisocyanate, oleic acid hydroxyethyl imidazoline, 0 erucyl amide and barium petroleum sulfonate. The recycled asphalt mixture provided by the invention can effectively resist generation of diseases such as ruts and cracks, the service life of a road is remarkably prolonged, and the maintenance cost of the road is reduced.

The application discloses a diaphragm suitable for EFB start-stop batteries and a preparation method thereof, and the diaphragm is prepared from raw materials containing the following components: polyethylene resin, modified functional composite filler, maleic anhydride grafted polyethylene, fluorine-containing processing aid and erucic acid amide; the modified functional composite filler is modified by mercapto-containing hyperbranched polyoxysilane, silicon dioxide and carboxylated carbon nanotubes, and the mercapto-containing hyperbranched polyoxysilane is obtained by hydrolytic condensation reaction of gamma-glycidyl ether propyl trimethoxysilane, cyclohexyl trimethoxysilane, dodecyl trimethoxysilane, aminopropyl triethoxysilane and mercaptopropyl trimethoxysilane. The diaphragm provided by the application has low resistance, high puncture resistance and antimony ion chelation function, and can meet the use requirements of EFB start-stop battery diaphragms.

The invention belongs to the technical field of biological medicine and health care products, and particularly relates to a ginsenoside liposome and a preparation method thereof. The ginsenoside liposome is prepared from the following raw materials: ginsenoside, soybean lecithin, cholesterol, soybean oil, sucrose erucate and sucrose fatty acid ester with an HLB (Hydrophile-Lipophile Balance) value of 15-18. The soybean oil, the sucrose erucate and the sucrose fatty acid ester with the HLB (hydrophile-lipophile balance) value of 15-18 are introduced into an existing liposome system constructed by lecithin and cholesterol, so that the film-forming property can be improved, and the stability and the dissolution performance of the liposome can be improved.

The present application belongs to the technical field of analysis and detection, and particularly relates to a determination method of erucamide in erucamide product. The present application dissolves the erucamide to be detected into a solution, then injects into a gas chromatograph instrument for quantitative detection, obtains a gas chromatogram, and calculates the content of erucamide in the erucamide product to be detected according to the area normalization method. The determination method of the present application can separate the erucamide in the erucamide product to be detected without interference, and accurately detect the content. The data of the examples show that the absolute deviation of the determination method provided by the present application is between-0.5 and +0.5, indicating that the determination method of the present application is accurate and reliable, has the advantages of high sensitivity, strong resolution and fast analysis speed, and is suitable for production process monitoring and product quality detection control.

The invention relates to a bicomponent fiber comprising a first component comprising a first polypropylene homopolymer and a second component comprising a second polypropylene homopolymer and a slip agent, wherein the slip agent is selected from the group consisting of stearyl erucamide, polyol esters of monocarboxylic acids, pentaerythritol monooleate, saturated and unsaturated fatty acid amides or ethylenebis(amides), glycols, polyether polyols, adipic acid and sebacic acid and combinations thereof and wherein the amount of the slip agent with respect to the second component is 0.05 to 1.00 wt%, wherein the first component has a melt flow index MFI1 determined according to ISO 1133-1:2011 at 230 ⁰C and 2.16 kg and the second component has a melt flow index MFI2 determined according to ISO 1133-1:2011 at 230 ⁰C and 2.16 kg of MFI2 and the difference between MFI1 and MFI2 is 0.0 to 25.0 dg / min

Disclosed is a synthetic fiber formed from a composition made from about 1 to about 98 weight percent of at least one polyhydroxyalkanoate; about 1 to about 10 weight percent of at least one nucleating agent selected from the group consisting of polyester wax, behenamide, crodamide, stearamide, erucamide, pentaerythritol, dipentaerythritol, boron nitride, and mixtures thereof; and about 0.1 to about 5 weight percent of at least one melt flow modifier selected from the group consisting of calcium stearate, zinc stearate, starch, diamide oligomers, organic peroxides, and mixtures thereof.

This invention discloses a highly grease-resistant thermoplastic polyester elastomer composite material and its preparation method. The composite material is prepared from the following components in parts by weight: 80-95 parts thermoplastic polyester elastomer, 5-20 parts thermoplastic polyamide material, 0.3-2 parts amide composite functional additive, 0.3-2 parts stearic acid additive, 0.5-2 parts chain extender, 0.25-1 part solvent, and 0.6 parts antioxidant; the amide composite functional additive is a composite of oleamide, erucamide, and aliphatic bisamides. The highly grease-resistant thermoplastic polyester elastomer composite material provided by this invention exhibits good performance retention in highly polar grease environments, enabling the protection of drive shafts in the automotive field to function normally under high-temperature environments with grease corrosion, and also offering advantages such as lower noise and longer service life.

This invention relates to the field of oilfield development technology and discloses a modified nano-displacement agent and its application in oil well production enhancement. The agent comprises 5.0–10.0 wt% succinate gemini polyoxyethylene ether, 3.0–5.0 wt% erucamide propyl hydroxysulfonate betaine, 10.0–20.0 wt% polyether-modified silicone oil, 1.0–3.0 wt% sodium xylenesulfonate, 1.0–2.0 wt% 1,2-propanediol, and 60.0–80.0 wt% deionized water. During preparation, a phase-conditioning fluid is added via high-shear emulsification combined with a cooling jet to obtain a nanoscale dispersion system. This invention utilizes the combination of gemini surfactant and betaine to improve phase stability under high temperature and high salinity conditions and effectively reduce interfacial tension; the steric hindrance of the modified silicone oil reduces formation adsorption losses; and the nanoscale droplets can penetrate deep into the micro- and nano-pore throats of low-permeability formations to strip crude oil, alleviating injection difficulties and synergistically achieving increased oil well production.

The application belongs to the technical field of packing bags, and particularly relates to a high-barrier sealed waterproof multilayer food packing bag and a preparation method thereof. The multilayer food packing bag comprises an antibacterial inner layer, a barrier intermediate layer and a waterproof outer layer. The antibacterial inner layer comprises polyethylene and chitosan intercalated double-hydroxyl compound coated titanium dioxide modified aramid pulp at a mass ratio of 10-15:1. The barrier intermediate layer comprises ethylene-vinyl alcohol copolymer, ethylene-vinyl acetate copolymer and mustard acid modified nano silicon dioxide at a mass ratio of 86-93:5-10:2-4. The waterproof outer layer comprises polypropylene. The packing bag provided by the application has excellent antibacterial, anti-puncture, barrier and waterproof functions, can be used as an inner bag of a food packing bag, and can be used for food transportation and storage to improve the shelf life of food.

The invention discloses an ABS (Acrylonitrile Butadiene Styrene) material as well as a preparation method and a product thereof. The ABS material is used for solving the technical problem that an ABS material in the prior art cannot meet the hydrophobic property and the antistatic property at the same time. The ABS material provided by the invention comprises the following components in percentage by mass: 70-95% of ABS resin; 5-30% of an erucyl amide grafted organic silicon auxiliary agent; and 0.3%-0.5% of an antioxidant. In the ABS material, the erucyl amide grafted organic silicon additive is introduced into the ABS resin, so that the ABS material can simultaneously meet the hydrophobic property and the antistatic property.

This invention discloses a transparent polyethylene film with stable frictional properties and its preparation method. The film is prepared from the following raw materials: 100 parts by weight of linear low-density polyethylene, 0.025-0.055 parts by weight of a compounded opening agent, 0.05-0.20 parts by weight of a slip agent, and 0.05-0.20 parts by weight of an antioxidant. The compounded opening agent is obtained by compounding silane-modified silica with a cyclic olefin polymer, and the mass ratio of silica to cyclic olefin polymer is 1:1 to 6:1. The slip agent is erucamide, and the melt flow rate of the cyclic olefin polymer at 230°C and 2.16 kg is 3 g / 10 min to 10 g / 10 min. By using two compounded opening agents, this invention significantly reduces the amount of silica used compared to the prior art using silica alone. At the same addition amount, it exhibits better opening and transparency compared to the prior art, and also has good friction coefficient stability.

The invention discloses a biodegradable polyester composition as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. The biodegradable polyester composition provided by the invention is prepared from the following components in parts by mass: 38 to 72 parts of biodegradable polyester composition, 18 to 47 parts of PLA (Polylactic Acid), 0.8 to 16 parts of filler, 0.01 to 1 part of slipping agent and 0.01 to 1 part of nucleating agent, the biodegradable polyester composition comprises PBAT and PBS, and the mass ratio of the PBS to the PBAT is greater than or equal to 4; the slipping agent is prepared from at least one of erucyl amide, oleamide and ethylene bistearic acid amide; the nucleating agent comprises at least one of an aromatic sulfonate nucleating agent and a hydrazide nucleating agent. The biodegradable polyester composition provided by the invention has excellent dimensional stability, meanwhile, a sprue breaking phenomenon cannot occur in a processing process, and the forming time is short.

The application discloses a kind of preparation methods for high transparent polyethylene film additive, belong to polyethylene technical field, to solve the technical problems of high transparent polyethylene film in prior art, high production cost, aging resistance performance needs to be further provided, including nucleating agent grafting quaternary ammonium salt modified nanosilica and low-density polyethylene are mixed, initiator is added, by melt grafting reaction in twin-screw extruder, reaction is finished, extrusion, cooling, granulation, obtain intermediate I;Intermediate I, antioxidant 168, antioxidant 1076, zinc stearate, antistatic agent 1800 and mustard acid amide are mixed, to obtain high transparent polyethylene film additive;The high transparent polyethylene film additive prepared in the application is mixed with low-density polyethylene, and the processing performance is good, to obtain the high transparent polyethylene film with lower cost;This film not only has good transparency and tensile property, but also has good aging resistance.

The invention belongs to the technical field of cosmetics, and particularly relates to modified toner, a preparation method thereof and application of the modified toner in liquid foundation. The modified toner is obtained by grinding and compounding modified inorganic toner and mica powder; the modified inorganic toner is obtained by sequentially modifying inorganic toner with a modifier A and a modifier B; the modifier A is sodium stearoyl glutamate and / or disodium stearoyl glutamate; the modifier B is low-erucic acid rapeseed oil and diisostearyl malate. The modified toner provided by the invention has excellent acid and alkali resistance, and still has excellent ductility, darkness resistance and stability when the usage amount of the modified toner in liquid foundation reaches up to 30%.

The invention relates to the technical field of elastic materials. The degradable elastic material is prepared from the following raw materials in parts by weight: 40 to 50 parts of bio-based polyether polyol, 20 to 30 parts of polylactic acid, 6 to 10 parts of bio-based polybutylene terephthalate, 6 to 10 parts of bio-based polycaprolactone triol, 4 to 6 parts of filler, 2 to 4 parts of citric acid, 2 to 4 parts of itaconic anhydride, 0.6 to 1 part of zinc stearate, 0.4 to 0.6 part of stannous octoate and 1 to 6 parts of 1, 3-pentanediol monoisobutyrate. And 2 parts of erucyl amide. According to the invention, bacteria can metabolize, breed and secrete hydrolase, the hydrolase is fixed in the filler in the subsequent freeze-drying treatment, and when the final material is in an environment rich in microorganisms, the preloaded hydrolase can be activated and slowly released to start a hydrolysis reaction in the material, so that the breakage of a polymer chain is greatly accelerated; the degradation efficiency of the kettle material made of the degradable elastic material is effectively improved.

The application discloses a preparation process of crayfish fresh-keeping ingredient oil grafted with shrimp shell chitin, and relates to the technical field of food preservation.The method uses shrimp shell chitin with a deacetylation degree of greater than or equal to 90% as raw material, carries out quaternary ammonium modification and stearic acid hydrophobic modification, and then carries out grafting reaction with low erucic rapeseed oil in a vacuum environment to form a composite system through lipase catalysis, adds DHA oil for nutrition strengthening, adds gamma oryzanol and bamboo leaf flavonoids for compounding antioxidants for inhibiting oxidation, and finally carries out electrospinning encapsulation to obtain a finished product.The shrimp shell resource utilization realizes green and low-cost raw materials, the chitin multistage modification solves the compatibility problem with oil, the enzyme catalysis grafting, the synergistic antioxidant and the nanometer encapsulation technology can significantly improve the fresh-keeping effect of crayfish at room temperature, delay the oxidation and deterioration of the ingredient oil, and retain the nutritional value of the product.

The application provides an industrial flame-retardant antistatic fabric and a preparation method thereof, and belongs to the technical field of industrial fabric preparation, and comprises the following steps: mixing polypropylene particles, composite particles, antioxidant 1010, calcium stearate and erucamide, heating and stirring, melt extruding, air cooling, and obtaining nascent fibers; uniformly spreading the nascent fibers, hot rolling, and cooling to obtain the industrial flame-retardant antistatic fabric; the composite particles are obtained by mixing polyetherimide and N-methylpyrrolidone, heating and stirring, adding polyacrylate, poly(3,4-ethylenedioxythiophene)-polystyrene sulfonic acid, ammonium bicarbonate and polyvinylpyrrolidone, uniformly stirring, and performing spray drying to obtain porous master batches; the porous master batches are soaked in an ammonium polyphosphate solution, vacuum heating, poured into a polyvinyl alcohol solution, heated, filtered, washed and dried to obtain the industrial flame-retardant antistatic fabric. The industrial fabric provided by the application has good flame-retardant and antistatic properties.

The invention belongs to the technical field of defoaming agents, and particularly relates to an aqueous emulsion type non-silicon defoaming agent and a preparation method thereof. Perfluoroalkyl is used for reducing the surface tension of erucyl amide, so that fluorine-modified erucyl amide forms a surface tension gradient on the surface of a foam liquid film, and local thinning and breaking of the foam film are promoted; long-chain alkyl in fluorine modified erucyl amide and perfluoroalkyl cooperate to achieve hydrophobic anchoring, surfactant molecules on the surface of a foam film are replaced, the liquid drainage process is accelerated, and foam is rapidly broken; after foam breaking, the long-chain polyether segment of the polyether polyol is adsorbed on a foam breaking interface to form a buffer layer, so that aggregation of air to the foam breaking interface is delayed, secondary foaming is prevented, and long-term foam inhibition is realized; the polyether grafted stearate is bridged with the fluorine modified erucyl amide and the polyether polyol, so that the strong repulsive interaction between the polyether grafted stearate and the fluorine modified erucyl amide is eliminated, and the stability of the aqueous emulsion type non-silicon defoaming agent is improved.

The invention relates to a method for preparing nervonic acid. The method comprises the following steps: S1, enabling erucic acid to react with acrolein under light irradiation in the presence of a photosensitizer, so as to obtain a compound as shown in a formula (I); the photosensitizer is selected from CeCl3 and / or Fe (OAc) 2; and S2, carrying out oxidation reaction on the compound as shown in the formula (I) prepared in the step S1 to obtain the nervonic acid. The method provided by the invention has the advantages of simple reaction steps and low cost.