187 results about "Erucic acid" patented technology

The invention relates to the technical field of grease chemistry, in particular to a preparation method and application of diglyceride oil capable of preventing and treating fatty liver. The preparation method comprises the following steps: (1) mixing raw material oil, water, glycerol and a lipase preparation for catalytic reaction to obtain a product 1; the raw material oil comprises 0.1-8 parts of sea buckthorn seed oil, 0.1-8 parts of acer truncatum seed oil, 60-90 parts of low erucic acid rapeseed oil, 15-35 parts of corn oil and 10-25 parts of peanut oil; the lipase preparation is aspergillus niger lipase and rhizopus niger lipase; (2) performing five-stage molecular distillation on the product 1 to obtain a product 2; and (3) decoloring and deodorizing the product 2 to obtain the product. The diglyceride oil prepared by the invention has excellent effects of preventing and treating fatty liver.

The invention belongs to the technical field of preparation of blocking removers, and particularly relates to a composite chelating blocking remover for an oil field and a preparation method of the composite chelating blocking remover. The composite chelating blocking remover for the oil field is prepared from the following raw materials in percentage by mass: 7 to 9 percent of 1-butyl-3-methylimidazole dodecyl sulfonate, 5 to 7 percent of erucamide propyl hydroxypropyl sulfobetaine, 3 to 4 percent of di-(2-ethylhexyl) sodium sulfosuccinate, 4 to 5 percent of ethylenediamine di-o-hydroxyphenylacetic acid, 5 to 7 percent of N, N '-di (2-hydroxybenzyl) ethylenediamine-N, N'-bis (2-hydroxybenzyl)-N, N '-bis (2-ethylhexyl)-N, N'-bis (2-hydroxybenzyl)-N, N '-bis (2-hydroxybenzyl)-N, N'-bis (2-hydroxyphenyl)-N, N '-bis (2-hydroxyphenyl)-N, N'-bis (2-hydroxyphenyl)-N The cleaning agent is prepared from the following components in percentage by weight: 3 to 4 percent of N, N '-diacetic acid, 2 to 3 percent of O-(3-(benzyloxy) propyl) hydroxylamine, 1 to 2 percent of heptadecenyl hydroxyethyl imidazoline quaternary ammonium salt, 1 to 1.5 percent of dimethyl diallyl ammonium chloride homopolymer and the balance of water. The composite chelating blocking remover for the oil field has excellent scale dissolution rate and paraffin inhibition rate when being applied to complex scale blocking removal of the oil field.

The invention provides a yak healthy feeding optimization method and system based on machine learning. The yak healthy feeding optimization method comprises the steps of obtaining a basic data set; according to the basic data set, performing erucic acid metabolic pathway feature construction to obtain a feature set representing erucic acid mediated lipid metabolic pathway; according to the lipid metabolism path feature set, meat quality improvement effect quantification is carried out, and probability distribution of unsaturated fatty acid deposition efficiency is obtained; according to the probability distribution, feeding amount reverse deduction is carried out, and a high-erucic-acid rapeseed oil intake interval is obtained through calculation; health benefit balance is carried out according to a high-erucic acid rapeseed oil intake interval, and a stable feeding strategy is obtained; biological rationality verification is carried out according to a stable feeding strategy, the continuity of the mapping relation between the feeding amount and the meat quality index is analyzed based on the topological structure of the feature space, and a healthy yak feeding optimization scheme is obtained. The feeding precision, the meat quality improvement effect stability and the yak health guarantee level are improved.

The invention provides a method for preparing quintuple diglyceride oil for improving blood vessel health through enzymolysis, application and a product, and belongs to the technical field of enzyme engineering. The preparation method comprises the following steps: mixing low-erucic acid rapeseed oil, glycerol, water, fatty acid and lipase, and carrying out enzymolysis reaction, molecular distillation, decoloration and deodorization to obtain diglyceride oil; the lipase is a mixture of Candida antarctica Aspergillus niger lipase, Candida column lipase and bovine pancreas lipase, and the weight ratio of the low-erucic acid rapeseed oil to the glycerin to the water to the fatty acid to the lipase is 500: (80-100): (1-2): (30-60): (10-20). The diglyceride oil prepared by the method can be used for preparing a diglyceride oil composition, and has five functions of reducing blood uric acid, reducing blood total cholesterol, reducing blood triglyceride, reducing blood sugar and increasing blood flow velocity to improve blood vessel health.

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 discloses a KASP molecular marker related to brassica napus quality traits and application of the KASP molecular marker, and belongs to the technical field of molecular genetics. According to the KASP molecular marker related to the brassica napus quality traits, the primers of the KASP molecular marker and the application of the KASP molecular marker and the primers in brassica napus genetic typing or quality traits identification, results show that the KASP molecular marker can accurately identify genotypes, is high in sensitivity and specificity and effectively reduces the error rate. The invention also discloses a brassica napus genotyping / quality identification method, and the result shows that the material with the genotyping result of AA has the characteristics of low erucic acid content, low thioglycoside content, high oleic acid content, high linoleic acid content, low arachidonic acid content and low protein content; gG-type materials exhibit high erucic acid, high thioglycoside, low oleic acid, low linoleic acid, high arachidonic acid and high protein content. Individuals with excellent quality characters can be rapidly screened in early generations, and the long process of character identification after plant maturation in traditional breeding is avoided.

The invention belongs to the technical field of flexible freight bags, and particularly relates to a high-barrier sealed waterproof multilayer food flexible freight bag and a preparation method thereof. The multi-layer container bag for food comprises an antibacterial inner layer, a barrier middle layer and a waterproof outer layer, the antibacterial inner layer comprises titanium dioxide modified aramid pulp coated with polyethylene and a chitosan intercalation dihydroxy compound in a mass ratio of (10-15): 1; the barrier middle layer comprises an ethylene-vinyl alcohol copolymer, an ethylene-vinyl acetate copolymer and erucic acid modified nano silicon dioxide in a mass ratio of (86-93): (5-10): (2-4); and the waterproof outer layer comprises polypropylene. The container bag provided by the invention has excellent antibacterial, puncture-resistant, barrier and waterproof functions, can be used as an inner bag of the container bag for food, is used for transporting and storing food, and prolongs the shelf life of the food.

The invention provides a bacteriostatic PET (polyethylene terephthalate) coiled material as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials, the bacteriostatic PET coiled material is prepared from the following raw materials: PET, nano titanium dioxide, nano talcum powder, a compatilizer, an antioxidant, a lubricant and a modified composite bacteriostatic agent; the compatilizer is an ethylene-methyl acrylate-glycidyl methacrylate random terpolymer and / or an ethylene-acrylic ester-maleic anhydride random terpolymer, and the compatilizer is an ethylene-methyl acrylate-glycidyl methacrylate random terpolymer and / or an ethylene-acrylic ester-maleic anhydride random terpolymer; the lubricant is one or a mixture of two of pentaerythritol stearate, erucyl amide, polyethylene wax, polyvinyl alcohol and ethylene bis stearamide; the modified composite bacteriostatic agent is prepared from catechin gallate, epsilon-polylysine hydrochloride and modified porous zinc oxide. The prepared antibacterial PET coiled material can be used for packaging materials of packaging boxes, lunch boxes, cup covers, trays and the like, and has good mechanical properties such as bending strength and impact strength and excellent antibacterial performance.

The invention belongs to the technical field of functional grease processing, and particularly relates to an enzymolysis preparation method and application of diglyceride with an effect of improving Alzheimer's disease. The method comprises the following steps: mixing low-erucic acid rapeseed oil, glycerol and water, and heating to obtain a pre-reaction mixture; adding compound enzyme for reaction, and then adding candida antarctica lipase B and pseudomonas fluorescens lipase for reaction; and after the reaction is completed, carrying out molecular distillation, collecting a light-phase product, carrying out adsorption filtration, and collecting filtrate to obtain the diglyceride oil. The compound enzyme is composed of rhizomucor miehei lipase, candida rugosa lipase and candida antarctica lipase B in a weight ratio of (2-4): 2: 1. According to the method, the content of diglyceride is effectively increased, the prepared composition has the efficacy of preventing and treating Alzheimer's disease, and the efficacy is shown as improvement of reaction capacity and cognitive function, inhibition of brain apoptosis and acetylcholin esterase, enhancement of SOD and CAT vitality and improvement of related gene expression.

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 invention relates to the field of high polymer materials, and particularly discloses a starch modified biodegradable plastic bag and a preparation method thereof. The starch modified biodegradable plastic bag is prepared from the following raw materials in parts by weight: 3 to 6 parts of PLA (polylactic acid) resin, 3 to 5 parts of talcum powder, 20 to 25 parts of starch, 60 to 65 parts of PBAT (poly (butylene adipate-co-terephthalate)) resin, 0.3 to 0.5 part of polyethylene wax, 0.2 to 0.4 part of erucyl amide, 2 to 4 parts of glycerol, 3.5 to 5 parts of water and 0.2 to 0.5 part of antioxidant. The plastic bag has the advantages of being good in starch dispersity, not prone to generating crystal points, high in surface quality, large in tensile strength and excellent in barrier property.

The invention discloses a preparation method of an additive for a high-transparency polyethylene film, belongs to the technical field of polyethylene, and is used for solving the technical problems that in the prior art, the production cost of the high-transparency polyethylene film is high, and the aging resistance needs to be further improved. Comprising the following steps: mixing nucleating agent grafted quaternary ammonium salt modified nano silicon dioxide and low-density polyethylene, adding an initiator, carrying out melt grafting reaction in a double-screw extruder, and after the reaction is finished, extruding, cooling and granulating to obtain an intermediate I; and mixing the intermediate I, an antioxidant 168, an antioxidant 1076, zinc stearate, an antistatic agent 1800 and erucyl amide to obtain the additive for the high-transparency polyethylene film. The additive for the high-transparency polyethylene film prepared by the invention is mixed with low-density polyethylene, the processability is good, and the high-transparency polyethylene film with lower cost is obtained; the film not only has good transparency and tensile property, but also has good aging resistance.

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.

A method for manufacturing polyvinyl alcohol fibers, comprising the steps of: providing a polyvinyl alcohol composition comprising: a homo-polyvinyl alcohol having a degree of hydrolysis of 88% to 98% or more and a weight average molecular weight of 14,000 to 22,000; a plasticizer selected from the group consisting of diglycerol, triglycerol, fructose, ribose, xylose, D-mannitol, triacetin, pentaerythritol, dipentaerythritol, methyl pentanediol, 1, 2-propanediol, 1, 4-butanediol, 2-hydroxy-1, 3-propanediol, 3-methyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3 the component A is prepared from 1, 2-butanediol, polyethylene glycol 300, polyethylene glycol 400, alkoxylated polyethylene glycol, caprolactam, tricyclic trimethylolpropane methylal, abietate, erucyl amide and a mixture of 1, 2-butanediol, polyethylene glycol 300, polyethylene glycol 400, alkoxylated polyethylene glycol and caprolactam; and an optional stabilizer selected from the group consisting of sodium stearate, potassium oleate, sodium benzoate, calcium stearate, stearic acid, dimethyl, propionic acid, and mixtures thereof; melting the composition at a temperature of 200 DEG C to 230 DEG C to form a molten polymer; extruding the molten composition to form an extrudate; forming the extrudate into molten fibers; and solidifying the molten fibers to form solid fibers.

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.

Composition comprising from 68% to 75% by weight of at least one rigid (co)polyester selected from the group consisting of polybutylene succinate, polylactide, polyhydroxyalkanoate; from 25 to 35% by weight of at least one flexible (co)polyester selected from the group consisting of polybutyrate, poly(ε-caprolactone) and PBS copolymers; from 0.2 to 5% by weight of at least one hydrophobic additive selected from the group consisting of behenamide, erucamide, stearamide and oleamide; process for preparing a monolayer film from this composition by extrusion blowing; monolayer film obtained and bakery product packaging articles comprising the monolayer film. Figure to be published with the abstract: none

The invention discloses a gene BnJAZ1 for regulating and controlling the erucic acid content of a plant, an interaction gene and application, and belongs to the technical field of gene engineering. The invention discloses a gene BnJAZ1, the gene BnJAZ1 can interact with BnABI5 through screening of a yeast two-hybrid library, and it is found that the BnJAZ1 can inhibit expression of the BnFAE1 gene through interaction of the BnABI5, so that the content of plant erucic acid is regulated and controlled, and an important foundation is laid for deep research on biological functions of the BnJAZ1.

The present invention belongs to the technical field of veterinary preparations, and specifically relates to a veterinary enrofloxacin compound gel ear drops and its preparation method and application. The compound gel ear drops include four active substances: enrofloxacin, triamcinolone acetonide, gentamicin sulfate, and pulegone. The preparation method is to add poloxamer, L-cysteine, and carbomer to water, stir and add benzyl alcohol to obtain solution A, dissolve low-erucic acid rapeseed oil in ethanol of more than 85%, add enrofloxacin, triamcinolone acetonide, pulegone, and gentamicin sulfate to obtain solution B; slowly add solution B to the gel matrix of solution A to obtain solution C, and then filter to obtain the compound gel. Pharmacodynamic experiments have confirmed that it has a good therapeutic effect on inflammation of the external ear canal of pets; accelerated experiments have confirmed that the compound gel is stable in nature, can be stored for a long time, and is suitable for further expansion of production.

1. The name of the design product: bottle sticker (Jianguwei low erucic acid rapeseed oil). 2. The use of the design product: the design product is a packaging bottle sticker for an oil bottle. 3. The design points of the design product: the combination of shape, pattern and color. 4. The picture or photo that best indicates the design points: front view. 5. The design for which protection is sought includes color. 6. The design product is a flat product, and other views are omitted.

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 invention provides a preparation method of a multifunctional plant growth promoter, which comprises the following steps: S1, during use, preparing raw materials, mixing 0.5-5% by weight of oleamide and 0.1-0.5% by weight of erucyl amide, putting the mixture and 0.1-0.5% by weight of erucyl amide into a reaction kettle, and stirring; s2, after stirring, 0.4-2% by weight of tall oil is put into the reaction kettle to be stirred and continuously mixed; step S3, after mixing, adding 0.5 to 2.1 percent by weight of oleic acid; s4, adding a mixture of 1-5% by weight of lauryl sodium sulfate and 0.1-3% by weight of tridecanol polyether into the reaction kettle, and continuously stirring; s5, continuously adding a mixture of 0.3-1.5% by weight of sodium gluconate and 0.5-3% by weight of xylitol into the reaction kettle, and testing the temperature of the mixed liquid in the reaction kettle; s6, when the temperature of the liquid in the reaction kettle is reduced to 32-37 DEG C, testing the pH value in the reaction kettle; according to the invention, the absorption performance of plant cells can be improved, and crops can be assisted to quickly absorb sunlight, various nutritional ingredients, drug performance and water retention performance.

The present invention belongs to the technical field of polyurethane synthetic leather, and specifically relates to a reactive feel agent, a preparation method thereof, and an application. The reactive feel agent provided by the present invention comprises a dihydroxy-terminated silicone oil, oleic acid amide, and erucic acid amide; the dihydroxy-terminated silicone oil is obtained by a condensation reaction of a hydrogen-terminated silicone oil and an allyl alcohol polyether; the mass percentage of the erucic acid amide in the dihydroxy-terminated silicone oil is ≤10%; the mass percentage of the oleic acid amide in the dihydroxy-terminated silicone oil is ≤10%. The reactive feel agent provided by the present invention utilizes the dihydroxy-terminated silicone oil to introduce a polysiloxane chain segment into the polyurethane molecular structure through a chemical bond. By compounding a small amount of oleic acid amide and erucic acid amide, while not affecting the reaction activity of the dihydroxy-terminated silicone oil, an ideal comprehensive feel can be provided, that is, a touch effect similar to that of baby skin with elasticity, fullness, and softness.

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 present invention belongs to the technical field of genetic engineering, and particularly relates to an GmHMGS application of a gene and a recombinant overexpression vector in regulating the fatty acid content of plants, and the GmHMGS nucleotide sequence of the gene is shown as SEQ ID NO.1. The present invention uses an overexpression vector of an exogenous gene sequence to introduce the GmHMGS gene shown as SEQ ID NO.1 into plants for overexpression GmHMGS of the gene, and the plants show that the contents of palmitoleic acid, arachidonic acid, docosanoic acid and erucic acid are significantly higher than those of the wild type; at the same time, the contents of stearic acid, oleic acid and linolenic acid are significantly reduced. The present invention regulates the GmHMGS expression of the gene in plants and then uses it to cultivate new plant varieties with adjustable fatty acid content, which provides a new idea for cultivating new crop varieties and has great application value in molecular breeding.

The application provides a method, application and product for preparing a triglyceride oil with five effects of improving blood vessel health by enzymolysis, and belongs to the technical field of enzyme engineering. The preparation method comprises the following steps: mixing low erucic acid rapeseed oil, glycerol, water, fatty acid and lipase, performing enzymolysis reaction, performing molecular distillation, and performing decolorization and deodorization to obtain the triglyceride oil; the lipase is a mixture of Candida antarctica black Aspergillus niger lipase, Candida cylindracea lipase and bovine pancreas lipase; and the weight ratio of the low erucic acid rapeseed oil, glycerol, water, fatty acid and lipase is 500:80-100:1-2:30-60:10-20. The triglyceride oil prepared by the method can be used to prepare a triglyceride oil composition, and has the five effects of lowering blood uric acid, lowering blood total cholesterol, lowering blood triglyceride, lowering blood sugar and improving blood flow speed, thereby improving blood vessel health.

The invention relates to the technical field of silicone rubber, in particular to liquid silicone rubber based on silicone oil mixing and a preparation method thereof. The silicone rubber comprises the following components in parts by weight: 0.5-0.7 part of a modification inhibitor, 67-75 parts of vinyl-terminated polydimethylsiloxane, 11-13 parts of vinyl silicone oil, 12-18 parts of hydrogen-containing silicone oil, 0.1-0.5 part of a Karstedt catalyst, 10-15 parts of fumed silica, 0.1-0.5 part of 2, 4-diphenyl-1, 3-pentanediol monoisobutyrate and 0.1-0.5 part of a catalyst. The component A comprises the following components in parts by weight: 0.1 to 0.3 part of 2, 6-butylated hydroxytoluene, 0.6 to 1.4 parts of titanium dioxide, 3 to 7 parts of polydimethylsiloxane and 0.07 to 0.09 part of dibutyltin dilaurate; wherein the modified inhibitor is prepared from 2-methyl-3-butyne-2-alcohol and white erucic acid according to the mass ratio of 2 to (5 to 7); the modified inhibitor is adopted, and the toxicity, volatility and compatibility of the 2-methyl-3-butyne-2-alcohol are reduced through the white erucic acid, so that the inhibition effect of the 2-methyl-3-butyne-2-alcohol and the stability of a liquid silicone rubber system are improved, the application range is further expanded, the operation window of the liquid silicone rubber is prolonged, and the quality and performance of the product are ensured.

The invention relates to a high-wear-resistance offset printing over-printing varnish for packaging and a preparation method thereof, and the formula of the high-wear-resistance offset printing over-printing varnish comprises phenol-free resin, linseed oil, tung oil, high-boiling-point aromatic-free solvent oil, polyethylene wax and an auxiliary agent, and also comprises erucyl amide; phenol-free resin is used in the gloss oil, so that the harm to the environment can be reduced; the erucyl amide is added, so that the printing performance of the gloss oil can be improved, and the wear resistance and scratch resistance of the gloss oil are improved. Compared with common offset printing gloss oil, the high-wear-resistance offset printing gloss oil provided by the invention is high in glossiness, good in wear resistance and good in drying performance, and a printed product is not easy to yellow after being used for printing; after the surface of a printed product is printed, the gloss of the printed product is improved, the printed product is well protected, abrasion is not prone to occurring, moisture is prevented, and the quality of the printed product can be effectively improved.