8 results about "Linolenate" patented technology

The invention relates to the technical field of coatings, in particular to a modified FEVE fluorocarbon resin coating and a preparation method thereof. The problem that the FEVE fluorocarbon coating is poor in durability is solved. The preparation method comprises the following steps: modifying FEVE fluorocarbon resin with linoleic acid to obtain a granular material; stirring the modified FEVE fluorocarbon resin, polyisocyanate, montmorillonite and a composite solvent to obtain a prepolymer; pre-dispersing and grinding silicon carbide, modified zinc oxide, a dispersing agent and a composite solvent, adding nano composite particles for ultrasonic dispersion, and adding a prepolymer and a flatting agent to obtain the modified FEVE fluorocarbon resin coating. Wherein the FEVE fluorocarbon resin is modified, so that the crosslinking speed, the coating strength and the adhesive force are improved, the stain resistance, the weather resistance and the corrosion resistance are improved through the nano composite particles and the like, and finally the durability of the FEVE fluorocarbon resin coating is improved.

The invention belongs to the technical field of biological medicine, and particularly relates to a diglycerol linolenate galactoside compound in pepper as well as a preparation method and application of the diglycerol linolenate galactoside compound. The preparation method comprises the following steps: (1) taking red peppers to prepare pretreated red peppers; (2) adding the pretreated red peppers into an ethanol solution, performing ultrasonic extraction, and collecting first filtrate and first filter residues; (3) adding an ethanol solution into the first filter residue, carrying out ultrasonic extraction, combining the first filtrate and the second filtrate, and concentrating to obtain a crude extract; (4) separating the crude extract by adopting high-speed counter-current chromatography to obtain a primary purified product; and (5) further separating and purifying the primary purified product by adopting high performance liquid chromatography, and identifying to obtain the diglycerol linolenate galactoside compound. The purity of the diglycerol linolenate galactoside compound obtained by the preparation method is as high as 99.3%, and the diglycerol linolenate galactoside compound has a remarkable scavenging effect on DPPH free radicals, shows good antioxidant activity and has a wide application prospect.

The invention provides a flexible polyvinyl chloride cable material as well as a preparation method and application of the flexible polyvinyl chloride cable material. The flame-retardant PVC composite material is prepared from the following raw materials in parts by mass: 100 to 120 parts of PVC resin, 8 to 12 parts of epoxidized acetyl linoleic acid ester, 25 to 30 parts of trioctyl trimellitate, 12 to 16 parts of polypropylene glycol adipate, 8 to 10 parts of epoxidized soybean oil, 15 to 20 parts of filler, 10 to 20 parts of flame retardant, 4 to 5 parts of rare earth stabilizer and 2 to 3 parts of additive. According to the flexible polyvinyl chloride cable material, through the specific raw material ratio and the preparation method, the flexibility and wear resistance of the cable material are remarkably improved, meanwhile, good physical performance and electrical performance are kept, the excellent flame retardant property and thermal stability are achieved, and wide application prospects are shown.

Compositions and topical formulations comprising a PPAR agonist complex comprising glyceryl linoleate, glyceryl linolenate, xymenynic acid, and Pterocarpus marsupium bark extract are described herein. Methods of inducing skin barrier repair, increasing the biosynthesis of barrier lipids and proteins in the skin, stimulating hair growth, treating acne and combinations thereof utilizing the composition and topical formulations are also provided herein.

The invention relates to the technical field of coatings, and particularly discloses a water-based fluorocarbon emulsion resin coating and a preparation method thereof. The water-based fluorocarbon emulsion resin coating is prepared from the following raw materials in percentage by weight: 40-60 wt% of water-based fluorocarbon resin, 10-30 wt% of a solvent, 10-30 wt% of a solvent and 10-30 wt% of a solvent. 20-30 wt% of a filler; 5-10 wt% of a curing agent; 0.1 to 1 wt% of a neutralizer; 0.1 to 1 wt% of a wetting agent; 0.1 to 1 wt% of a defoaming agent; 0.1 to 1 wt% of a thickening agent; and the balance of water. The water-based fluorocarbon resin is obtained by crosslinking linoleic acid and FEVE fluorocarbon resin; the curing agent is amino resin. The composition can be used for protecting the surfaces of various instruments and equipment, and has the advantages of safety, environmental protection, high hardness, good adhesive force and simple construction operation steps; in addition, the preparation method also has the advantage of simple operation.

This application belongs to the technical field of alkyd resin coatings, specifically providing a fast-drying anti-corrosion coating based on alkyd resin and its preparation method. The preparation method of the fast-drying anti-corrosion coating based on alkyd resin includes the following steps: 1) Linoleic acid, isophthalic acid, and trimellitic anhydride undergo an esterification polycondensation reaction under an esterification catalyst and an inert atmosphere through a stepwise heating process; 2) The reaction system of step 1) is cooled to 170-190℃, and trimellitic anhydride and an end-group modified polyethylene glycol composition are added, and the reaction continues; the reaction system is cooled to 110-130℃, a co-solvent is added and stirred evenly, the pH is adjusted to 7.0-8.5, and deionized water is added to disperse until the solid content is 45%-55%, obtaining a base material; 3) The base material, auxiliary materials, and deionized water from step 2) are mixed evenly to obtain the final product. The coating obtained by this application has the advantages of fast drying, high adhesion, and good corrosion resistance.

The application relates to the technical field of unsaturated fatty acid and its derivative preparation, in particular to a preparation method of a linoleic acid methyl ester and alpha-linolenic acid methyl ester composition. The preparation method is characterized in that supercritical fluid such as CO2 with strong permeability and high solubility is used for supercritical extraction of soybeans, and an auxiliary solvent such as ethanol is added, so that the oil in the soybeans can be efficiently extracted, and unsaturated fatty acids such as linoleic acid and alpha-linolenic acid can be effectively enriched. The first product is subjected to methyl esterification modification, purified in a simulated moving bed chromatograph, and matched with a C18 fixed phase and a polar eluent, and a port is periodically switched, so that the mass ratio of linoleic acid methyl ester and alpha-linolenic acid methyl ester can be effectively controlled, a feasible way for preparing LA / ALA with a specific mass ratio is provided, and the application requirements can be met.

The invention provides a method for recommending female mammary gland health care suggestions, and belongs to the technical field of female mammary gland health care. The recommendation method of the female breast health care suggestions comprises the following steps: S1, massaging breasts; s2, performing hot compress on the breasts; s3, applying the chest with castor oil; s4, changing diet; s5, preventing obesity; and S6, wearing a stable bra. During use, hydrogenated fat in margarine can interfere with the capability of converting fatty acid necessary in the body into Y-linoleic acid, weight loss is realized through aerobic exercise and anaerobic exercise, diet is controlled, and for women with excessive obesity, weight loss is helpful for relieving swelling and pain of breasts, and a stable bra is selected for wearing. The stable brassiere can prevent mastoptosis and can also prevent compressed breast nerves from being further compressed, discomfort is eliminated, the stable brassiere has a health care function, and the recommendation method of the female breast health care suggestion is good in treatment effect, can effectively eliminate pains of patients and can improve hyperplasia of mammary glands.