110 results about "Linolenate" patented technology

The invention discloses a method of catalyzing and synthesizing alpha-glyceryl linolenate with immobilized lipolytic enzyme in the manufacturing method field of a anti-cancer drug material, which comprises the following steps: making immobilized enzyme carrier including hole enlarge of dielectric hole material and the amido modification; making immobilized lipolytic enzyme, synthesizing alpha-glyceryl linolenate with immobilized enzyme in organic medium. The invention provides a good steady, and SBA-15 still shows regular hexagonal structure after modification, a uniform pore path, a big aperture and meets the need of synthesizing alpha-glyceryl linolenate; improvement of the lipase proper temperature improves the productivity; the product is provided with a light yellow color, a good quality, a good curative effect, enhancing heat stability.

The invention discloses a making method of conjugated linolenate with little impurity, which comprises the following steps: adopting natural plant oil as raw material; catalyzing and isomerizing plant oil through alkaline; acidifying; washing; evaporating; obtaining conjugated linolenate as middle product; esterifying conjugated linolenate catalyzed by bisulfate and carbinol / alcohol; obtaining the product.

The invention discloses an epoxy resin-polymaleimide composite semiconductor packaging material and a preparation method thereof. The epoxy resin-polymaleimide composite semiconductor packaging material comprises the following components in parts by mass: 40-60 parts of epoxy resin, 20-30 parts of polymaleimide, 2-5 parts of polyethylene, 2-6 parts of amino-silicone oil, 3-5 parts of polysiloxane, 1-4 parts of linolenate, 2-4 parts of chlorinated paraffin, 1-3 parts of carboxyethyl cellulose, 1-3 parts of dioctyl phthalate, 1.2-3.6 parts of sodium benzoate, 1-1.8 parts of oil-based amino acid sodium, 1.6-2.8 parts of maleic anhydride and 0.1-0.5 part of an antioxidant. The impact strength of the composite material is improved obviously since polymaleimide is added; the curing shrinkage rate is reduced, dimensional stability is improved, and the heat resistance, dielectric property and thermal conductivity of the composite material are improved.

The invention relates to a feed additive for improving quality of furs of fur-bearing animals. The feed additive contains the following ingredients in parts by weight: 8 to 12 parts of linoleic acid, 8 to 12 parts of lecithin, 3.2 to 4.2 parts of vitamin complex, 5.8 to 6.2 parts of iron chelate, 4.1 to 4.2 parts of zinc chelate, 0.28 to 0.31 part of organic selenium, 18 to 22 parts of sea algae extracts, 17 to 19 parts of sulfur-containing amino acids, 9 to 11 parts of American yeast, and 17.3 to 17.9 parts of soybean meal. The feed additive has a scientific and reasonable formula and complete and balanced nutrition, is convenient for preparation and production, is excellent in baiting property, can effectively increase feed utilization efficiency and nutrient inversion rate, promotes growth and development of fur-bearing animals, improves quality of fur-bearing animals, improves quality of furs, and is a safe and reliable feed additive for improving quality of furs of fur-bearing animals.

The invention provides preparation of zinc linolenate and application thereof in preparation of drugs for resisting helicobacter pylori. The preparation of the zinc linolenate comprises the steps of dissolving zinc chloride with sterile water, heating and activating a zinc chloride solution by using a reactor, and then naturally cooling the zinc chloride solution to the room temperature; dissolving 1-ethyl-3-(3-dimethyl aminopropyl) carbodiie hydrochlide, N-hydroxysulfosuccinimide sodium salt and linolenic acid in an EMS solvent, and activating in nitrogen; carrying heating reaction on activated zinc chloride and activated linolenic acid, and standing for cooling after reaction is finished; carrying out dialysis in pure water through a dialysis bag until the pure water is clear and transparent; and drying with a vacuum freeze dryer to obtain the zinc linolenate. The zinc linolenate is prepared successively, the yield is high, and the helicobacter pylori inhibiting effect of the zinc linolenate is excellent.

The invention discloses a hydrophilic aluminum foil coating and methods for preparing and curing the hydrophilic aluminum foil coating. The coating comprises the following components by weight: 30-45% of linolenic-acid modified epoxy ester, 12-20% of isobornyl acrylate, 15-20% of dimethacrylate polyethylene glycol ester, 3-8% of ethoxylated trimethylolpropane triacrylate, 10-15% of 1,6-hexanediol diacrylate, 5-10% of methylhydroxyethyl acrylate, 2-5% of a toughening agent and 4-8% of photoinitiator. The method for preparing the hydrophilic aluminum foil coating comprises the following steps: mixing 33-56 parts by weight of bisphenol A epoxy resin, 12-18 parts by weight of diethanolamine and 32-49 parts by weight of linoleic acid to obtain the linolenic-acid modified epoxy ester, adding the isobornyl acrylate as well as the thinning agent, the toughening agent and the photoinitiator with different activities in sequence, and dispersing and mixing at high speed to obtain the hydrophilic aluminum foil coating. The hydrophilic aluminum foil coating can be applied to the surface of the aluminum foil and irradiated by the ultraviolet light, and the coating layer which is cured into the film has strong hydrophilicity, moderate hardness and good adhesion.

The present invention discloses a kind of alkyd wrinkles resin. The alkyd wrinkles resin comprises linolenic acid, 95% glycerine, phthalic anhydride, adduct, xylene, and diluted solvent. The present invention also discloses the preparation method of the said alkyd wrinkles resin. The present invention avoids the general existing process of high-temperature refining tung oil and many defects of winkles paint brought by adding tung oil, and makes the process of synthesizing winkles paint resin simply and easy to operate, and also saves energy. The resin-prepared winkles paint synthesized by using the present invention, has no necessary to be diluted with benzene before using, which makes it more secure and more environmentally friendly for the use of winkles paint, and meets the overall trend of current development of paints.

The invention provides epoxy ester resin capable of being dispersed in water. The epoxy ester resin is prepared from, by weight, 18-22 parts of cardanol, 17-24 parts of epoxy resin, 1.2-1.6 parts of fatty acid, 0.3-0.5 part of phthalic anhydride, 3.2-4.6 parts of polyethylene glycol, 4.3-6 parts of solvent and 47-52 parts of deionized water. The invention further provides a preparing method of theepoxy ester resin capable of being dispersed in water. The epoxy ester resin is low in VOC content, good in hydrolysis resistance stability, rapid in drying, high in hardness and good in corrosion resistance and other performance; cardanol is adopted to replace linoleic acid and dehydrated castor-oil fatty acid in traditional epoxy ester resin in the resin synthesis process, the drying time, hardness, adhesiveness, hydrolysis resistance stability and the like of a paint film are all greatly improved, and cost is greatly reduced; meanwhile, polyethylene glycol is introduced, the epoxy ester resin can be directly dispersed in water, polyatomic acid does not need to be introduced like traditional water-based epoxy ester resin, the water-based aim is achieved through amine neutralization, cost is low, and the process is simple.

The invention discloses a memantine insoluble salt sustained-release injection and a preparation method thereof. The memantine insoluble salt sustained-release injection is characterized by being prepared from the following materials by mass percentage: 1% to 30% of memantine insoluble salt as an active ingredient, 0.1% to 10% of stabilizer , 0% to 1% of pH adjuster, 0.1% to 5% of isotonic regulator and 60% to 98% of injection water; the memantine insoluble salt includes one of memantine-oleate, memantine-linoleate, memantine-linolenate, memantine-arachidonate, memantine-stearate, memantine-laurate, memantine-tannate, memantine palmitate, memantine-pamoate, and memantine-furanate. An insoluble salt technology is adopted to prepare the memantine insoluble salt, and the drug release time isprolonged by reducing the solubility of the drug. Compared with memantine hydrochloride, the solubility of the memantine insoluble salt is reduced by 40 to 600 times, and the memantine insoluble saltcan be slowly released for several days to several weeks.

An asplenium nidus extract is used for preparing medicines or health food for improving prostate diseases, and contains pyropheophorbide acid-alpha methyl ester, phaeophorbide-alpha methyl ester, 1-linoleic acid-3-linoleic acid-glyceride, 1-linoleic acid-2,3-dipalmitic acid-glyceride, and 1,3-dipalmitic acid-glyceride. The asplenium nidus extract is prepared from a method including: a step of solvent extraction by using an extraction solvent to perform extraction processing on an asplenium nidus sample, so that the weight volume ratio (w / v, g / ml) between the asplenium nidus sample and the extraction solvent is 50 to 60 mg / ml, and an extract is obtained; and a step of column chromatography by using water and ethyl alcohol as mobile phases and performing the chromatography separation processing of the extract to obtain a plurality of differentiation objects which are numbered as segment a to segment I according to the chronological order of elution, and selecting the segments b, c and d or compositions thereof for vacuum concentration and freeze drying, and then the asplenium nidus extract is obtained.

The invention discloses a skin nourishing / treating composition capable of relieving pruritus. According to a preparation method, a sweet osmanthus essential oil form extract product is taken as an active component. The skin nourishing / treating composition comprises, by weight, 0.01 to 0.2% of the sweet osmanthus essential oil form extract product, and the balance an acceptable accessory component in skin external preparations; wherein in the sweet osmanthus essential oil form extract product, the gas chromatography-mass spectrometry total chromatographic ion peak area of marking compositions, including a linalool derivative, a beta-ionone derivative, a gamma-decalactone derivative, an alpha-linolenic acid and a linolenate, in the sweet osmanthus essential oil form extract product at least accounts for 15% of the liquid chromatography total peak area of the sweet osmanthus essential oil form extract product. It is shown by experiments that drugs and / or cosmetic preparations prepared from the skin nourishing / treating composition are capable of relieving pruritus caused by different reasons obviously, and are beneficial for nourishing and treating of infected skin.

The invention discloses an ultraviolet light curing hydrophilic aluminum foil paint. The paint is composed of following components in percentage by weight: 30 to 50% of modified epoxy ester, 40 to 60% of active diluent, 2 to 5% of flexibilizer, and 4 to 8% of photo-initiator. The preparation method comprises following steps: subjecting epoxy resin to react with diethanol amine to open the ring through an esterification ring opening method, then neutralizing with linoleic acid so as to obtain hydrophilic modified epoxy ester capable of further carry out photo curing polymerization, and then mechanically stirring to evenly mix the modified epoxy ester with other components according to the mass ratio mentioned above so as to obtain the hydrophilic aluminum foil photo curing paint. The paint is coated on the surface of a photo aluminum foil and then irritated by ultraviolet lights to directly be turned into a film. The curing coating has the advantages of strong continuous hydrophilicity, moderate hardness, good adhesive force, and little wear to punching moulds. The coating provides functions of corrosion resistance, protection, and hydrophilicity for aluminum foils.

The invention discloses a rubber sleeve for a bushing of an automobile steering device. The rubber sleeve comprises raw materials in parts by weight as follows: 40-60 parts of natural rubber, 20-35 parts of butadiene styrene rubber, 20-40 parts of butadiene rubber, 0.5-3 parts of N,N'-m-phenylene dimaleimide, 0.5-1.5 parts of a vulcanization accelerator M, 1-3 parts of zinc oxide, 2-5 parts of stearic acid, 1-3 parts of epoxy acetyl methyl linoleate, 5-10 parts of carbon black, 5-15 parts of nano silicone dioxide, 40-60 parts of ceramic fiber, 20-40 parts of bentonite glass bead composite microspheres, 0.5-2.5 parts of an organosilane crosslinked polyethylene crosslinking agent, 1-3 parts of an anti-aging agent AW and 1-3 parts of an anti-aging agent RD. The rubber sleeve is wear-resistant, unlikely to deform, good in anti-aging performance and long in service life.

The invention belongs to the field of organic synthesis, and particularly relates to a synthesis method for ectropis oblique sex pheromone [cis-6,7-epoxy-(z,z)-3,9-octadecadiene]. The ectropis oblique sex pheromone is obtained by oxosynthesizing (z,z,z)-3,6,9-octadecatriene in the presence of a catalyst, namely Keggin type tetrabutylammonium divacant lacunary silicotungsate, wherein the mole ratio of (z,z,z)-3,6,9-octadecatriene to the catalyst to an oxidant is (4.8-5.2):(0.006-0.010):(0.8-1.2), the oxidization reaction temperature is at 40-60DEG C, and the oxidization reaction time is 3-8h. according to the synthesis method for ectropis oblique sex pheromone, the middle purification step can be omitted by taking low-cost linolenate as a starting raw material, the environment pollution can be decreased by adopting the green epoxidation method of hydrogen peroxide, the cost can be lowered, the productivity is improved, and the synthesis method provides a new thought and a new method for the green synthesis of the sex pheromone.

The invention relates to the technical field of water-based paint, and particularly relates to a room temperature self-crosslinking water-based epoxy ester and a preparation method thereof. The preparation method comprises the following steps: putting 26-32 parts by mass of linoleic acid, 12-16 parts by mass of epoxy resin E-20, 8.5-12.5 parts by mass of epoxy resin E-03, 4.8-7.5 parts by mass of benzoic acid, 2.2-3.8 parts by mass of phthalic anhydride and 0.2 part by mass of antioxidant into a reaction kettle, performing heating to 120 DEG C, and starting stirring; performing heating to 160 DEG C, and keeping the temperature for 1 hour; performing heating to 180 DEG C, and keeping the temperature for 1 hour; performing final heating to 240 DEG C, and keeping the temperature for 3-4 hours; performing cooling to 160 DEG C, adding 0.5-2 parts by mass of polyaziridine, and keeping the temperature for 1 hour; and performing further cooling to 120 DEG C, adding 18-25 parts by mass of ethylene glycol butyl ether, and performing uniform stirring to obtain the product. Through a crosslinking reaction of the polyaziridine and carboxyl groups in the epoxy resin, the room temperature self-crosslinking water-based modified epoxy ester resin having water resistance, corrosion resistance and high substrate adhesion force is synthesized.

The invention relates to the technical field of animal feed, in particular to a bee feed composition and a preparation method thereof. The bee feed composition is prepared from ceratonia siliqua syrup, honey, bee pollen, linolenic acid and one or more of linolenates. According to the bee feed composition, through the cooperation of the ceratonia siliqua syrup, the bee pollen, the honey and the linolenic acid, comprehensive balanced nutrients can be provided for bees, and requirements for growth, development, reproduction and productivity of bees are well met. Feed is good in taste, and the bees like to eat the feed. Quick growth, development and reproduction of the bees can be remarkably promoted, and the bee colony and survival rate are increased; meanwhile, the yield and quality of honeyand other products produced by the bees are improved; the composition has the advantages that raw materials are low in cost and easy to obtain, the feed preparation method is simple, and the application value is good.

The invention discloses a controllably degraded biological full-degradable plastic, and relates to the technical field of plastic preparation. The controllably degraded biological full-degradable plastic is prepared from the following raw materials in parts by weight: 15 to 25 parts of straw fiber, 10 to 20 parts of bran, 5 to 15 parts of cyclodextrin, 4 to 12 parts of maltodextrin, 15 to 25 partsof polylactic acid, 15 to 25 parts of poly(butylene succinate), 6 to 16 parts of calcium carbonate, 4 to 10 parts of Pulullan, 3 to 7 parts of chitosan, 1 to 7 parts of benzoic acid, 1 to 5 parts ofacetic acid, 2 to 8 parts of sodium stearate, 1 to 7 parts of ethylene acrylic acid co polymer, 4 to 12 parts of linolenate, 5 to 15 parts of Arabic gum, 2 to 8 parts of mannitol, 2 to 8 parts of oxidized polyethlene wax and 4 to 10 parts of sodium carboxymethyl starch. The preparation method comprises the following steps: pretreatment of bran, modification of straw fiber, mixing, extrusion blow molding and the like. According to the plastic disclosed by the invention, biological full-degradation can be carried out, and the degradation time is controlled by adjusting the proportion of degradable substances, and degradation can be completed fundamentally outdoors for 3 to 9 months, so that the environment cannot be polluted, and the plastic is high in structural strength and mechanical strength at the same time.

The invention discloses cold-coating bi-component unsaturated polyester resin highway marking paint and a preparation method thereof. The method comprises the steps that phthalic anhydride, tetrahydrophthalic anhydride, maleic anhydride, trans-acid, glycol, propylene glycol, diglycol, pentaerythritol, linseed oil, tung oil, linoleic acid and eleostearic acid are used to generate unsaturated polyester; then unsaturated polyester is diluted into unsaturated polyester resin by styrene, methyl alcohol, butyl acrylate, methyl methacrylate, rosin and rosin acid; and a component A and a component B of the paint are prepared by taking unsaturated polyester resin obtained from the steps, titanium dioxide, talcum powder, precipitated barium sulfate, calcium, phosphorus, cobalt, vanadium, amine, an antifoaming agent, an anti-yellow agent, an anti-settling agent, methyl ethyl ketone peroxide, cyclohexanone peroxide and BPO (benzoyl peroxide) as raw materials. The highway marking paint has high temperature resistance, water resistance, friction resistance and the like, and is convenient to use.

The invention relates to a type of lubricating liquid, in particular to a type of lubricating liquid for tire assembly, wherein the lubricating liquid for tire assembly is suitable for the assembly of tubeless tire. The lubricating liquid is characterized by comprising the following components according to weight percentage: 79-80% of a mixture consisting of linoleic acid, linoleic acid, polyethylene glycol, glycerol and palmitoleic acid, 0.5-3% of fatty glyceride, 1-3% of sodium laurylsulfate, 3-8% of thickener, 0.5-1.5% of bactericide and the balance of deionized water. The lubricating liquid provided by the invention has the characteristics of high efficiency, environment friendliness, freeness from pollution, good lubricating effect and capability of effectively solving the problems of higher hardness and difficulty for assembly in the process of assembling a tubeless radial tire.

An automobile lubricating oil additive is composed of the following raw materials in parts by weight: 3 to 6 parts of phosphorodithioate, 2 to 4 parts of random polypropylene, 1.2 to 3 parts of oligomer of trimethyl hydrogen quinazoline, 4 to 6 parts of phenothiazine, 5 to 8 parts of phenyl-2-naphthylamine, 2 to 4 parts of methyl silicone oil, 3 to 5 parts of calcium oxide, 1 to 2 parts of succinate, 4 to 7 parts of mesembryanthemoidigenic acid, 3 to 6 parts of glycerin acrylate, 7 to 10 parts of lupeol palmitate, 5 to 8 parts of linolenic acid, 6 to 9 parts of coconut diethanolamide, 5 to 8 parts of inositol hexaphosphate, 2 to 4 parts of calcium chloride, 6 to 10 parts of polyacrylic acid, 4 to 7 parts of sodium dodecyl benzene sulfonate, 2 to 6 parts of tetrahydropalmatine, 3 to 5 parts of lupeol palmitate, 8 to 16 parts of benzyl alcohol, and 7 to 12 parts of sulfurized calcium alkyl phenate. The provided automobile lubricating oil additive has an improved viscosity index and a good lubricating performance, can effectively prevent lubricating oil from being oxidized or degraded, and prolongs the service life of lubricating oil.

The invention discloses a fuel oil additive composition, which is composed of the following components in parts by weight: 10 to 15 parts of nitromethane, 5 to 10 parts of nitroethane, 1 to 5 parts of bromobenzene, 15 to 20 parts of sodium laurate, 3 to 10 parts of sodium tripolyphosphate, 5 to 20 parts of calcium dodecyl benzene sulfonate, 10 to 30 parts of linoleic acid, 10 to 25 parts of hydrochloric acid, 15 to 25 parts of palmitic acid, 20 to 30 parts of triethanolamine oleate, 5 to 8 parts of osmotic agent, 10 to 35 parts of fatty alcohol polyoxyethylene ether, 15 to 25 parts of potassium persulfate, 10 to 25 parts of barium nitrate, 10 to 20 parts of ammonium perchlorate, 5 to 30 parts of potassium chlorate, 6 to 25 parts of monoglyceride stearate, 10 to 35 parts of sorbic acid, 15 to 40 parts of polyglycerol fatty acid ester, and 20 to 45 parts of tartaric acid. The provided fuel oil additive composition can promote reasonable combustion of fuel and save the fuel, and moreover, can generate active groups and inhibit the carbon black to promote the combustion. Furthermore, the dust is reduced, the environmental pollution is relieved, no waste gas or waste water is generated, and the composition does not corrode the machine and increase the wear.

Disclosed are preparation of zinc linolenate, and application thereof in preparing an anti-Helicobacter pylori drug. Zinc chloride is dissolved in sterile water, and the zinc chloride solution is heated and activated in a reactor kettle, and then naturally cooled to room temperature; 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride, N-hydroxysulfosuccinimide sodium salt and linolenic acid are dissolved in an EMS solvent and activated in nitrogen gas; the activated zinc chloride and the activated linolenic acid are heated and reacted, then left for standing after the reaction is finished; a dialysis bag is used to perform dialysis in pure water until the pure water is clear and transparent; and a vacuum freeze dryer is used to perform drying, and zinc linolenate is obtained. The present invention successfully prepares zinc linolenate, with high yield, and the zinc linolenate has a good Helicobacter pylori inhibiting effect.

The invention discloses a water-borne acrylic acid modified epoxy ester emulsion containing silicon and a preparation method of the water-borne acrylic acid modified epoxy ester emulsion, belongs to the field of chemical industry, and aims to solve the problems that existing water-borne products are low in hardness, poor in medium resistance, poor in surface anti-pollution capacity and instable instorage. The emulsion is prepared by, by mass, 8-10 parts of linoleic acid, 1-5 parts of E42 epoxy resin, 0.5-3 parts of methacrylic acid, 1-1.5 parts of xylene, 0.01-0.1 part of zinc oxide, 0.01-0.1part of hydroquinone, 5-10 parts of methyl methacrylate, 15-20 parts of butyl acrylate, 0.3-0.5 part of acrylic acid, 0.5-0.8 part of isobornyl methacrylate, 0.2-0.5 part of methacryloxy propyl trimethoxyl silane, 0.2-0.5 part of vinyl triethoxysilane, 1-2 parts of emulsifier, 45-50 parts of deionized water, 0.5-1 part of ammonium persulfate and 0.3-0.5 part of sodium bicarbonate. The prepared emulsion serving as coating has the advantages that the VOC content of the emulsion is lowered greatly, environment pollution is reduced, and various performance of the emulsion is increased; the emulsion is capable of meeting multiple national mandatory standards and technical requirements and low in cost.

The invention relates to a process for preparing alpha-calcium linolenate by using perilla oil as the raw material, which comprises the steps of saponifying, neutralizing, double decomposition, stewing, scouring, dewatering and drying, the content of alpha-linolenic acid in the the obtained alpha-calcium linolenate is higher than 55%, and the content of calcium is higher than 3.5%.

The invention provides a preparation method of a water-soluble epoxy resin. The water-soluble epoxy resin is prepared from the following raw materials: epoxy resin, maleic anhydride, linoleic acid, acetone, butanol, ethylene glycol monobutyl ether, multifunctional amine neutralizer and water-based binder. The method comprises the following steps: heating the raw materials for esterification in the absence of air for 90 minutes, cooling, regulating the pH value, and filtering.

The invention relates to a traditional Chinese medicinal composition for treating alopecia areata. The traditional Chinese medicinal composition is prepared from the following components in parts by weight: 16 to 20 parts of herb of benthamii, 10 to 15 parts of drynariae rhizoma, 10 to 15 parts of lycii fructus, 8 to 10 parts of ligustri lucidi fructus, 16 to 20 parts of semen sesami nigrum, 20 to 25 parts of notoginseng radix et rhizoma, 15 to 20 parts of radix polygoni multiflori preparata and 6 to 10 parts of herb of spirodela. The invention also relates to a traditional Chinese medicinal leaching liquor prepared from the traditional Chinese medicinal composition, a preparation method of the traditional Chinese medicinal leaching liquor and a medicinal soap prepared from the traditional Chinese medicinal leaching liquor. The medicinal soap is further prepared from sodium soyate, sodium linolenate, abietic acid, sodium silicate and titanium dioxide. According to the traditional Chinese medicinal composition, the drynariae rhizoma, the lycii fructus, the radix polygoni multiflori preparata, the ligustri lucidi fructus and the semen sesami nigrum are adopted as main components to stimulate the growth and secretion functions of follicular cells at a wounded part, thereby regenerating hair and synthesizing melanin. The notoginseng radix et rhizoma, the herb of benthamii and the herb of spirodela have the effect of stimulating skin at the wounded part to absorb active ingredients of these medicaments.

The invention discloses a water-soluble alkyd resin and a preparation method thereof. The water-soluble alkyd resin comprises the following active ingredients in parts by weight: 30-40 parts of linoleic acid, 5-20 parts of soya oil acid, 0.005-0.001 part of nano platinum, 15-25 parts of trimethylol propane, 3-6 parts of pentaerythritol, 3-7 parts of isophthalic acid, 8-12 parts of trimellitic anhydride, 3-7 parts of pathalic acid, 3-5 parts of xylene, 0.6-1.0 part of trithylamine, and 15-30 parts of ethylene glycol monobutyl ether. The preparation method comprises the steps of heating and melting linoleic acid, trimethylol propane, xylene, pentaerythritol and pathalic acid, adding nano platinum and soya oil acid at 230-250 DEG C, preserving heat and reacting at 190-210DEG C, cooling to 180 DEG C below, adding trimellitic anhydride, preserving heat and reacting at 160-170DEG C, preparing the solution by taking ethylene glycol monobutyl ether as a solvent, and neutralizing to be neutral with trithylamine to obtain the water-soluble alkyd resin.

The invention relates to a linoleic acid and a production technique thereof. On the basis of the total weight of the linoleic acid, the linoleic acid is prepared from the following components: 75-80% of linolenic acid, 10-15% of linoleic acid, 0-5% of oleic acid and 5-10% of saturated fatty acid. The invention also provides a production technique of the linoleic acid. The content of linolenic acid in the linoleic acid provided by the invention is greatly increased as compared with the existing linoleic acid product, and the total fatty acid content is up to higher than 75%. The ink vehicle prepared by the linoleic acid provided by the invention has higher reaction activity and viscoelasticity, and can satisfy the requirements for ink. The production technique of linoleic acid has the characteristics of wide raw material sources, simple preparation technique, no organic solvent residue and the like.

The invention discloses antibacterial spray and a preparation method thereof. The antibacterial spray is prepared from the following raw materials in parts by weight: 50 to 100 parts of water, 10 to 50 parts of glycerin, 10 to 15 parts of vitamin B, 10 to 30 parts of 2-octyldodecyl stearate, 20 to 30 parts of dipotassium glycyrrhizinate, 30 to 80 parts of sodium hyaluronate, 10 to 15 parts of nicotinamide, 20 to 30 parts of resveratrol, 10 to 12 parts of mercaptosuccinic acid, 20 to 25 parts of linolein and 20 to 30 parts of polyoxyethylene stearylether. The preparation method comprises the following steps: uniformly mixing the water, the glycerin and vitamin B to obtain a component I; mixing the other raw materials except the mercaptosuccinic acid, heating a mixture to 60 to 70 DEG C for uniform stirring, and cooling the mixture to room temperature to obtain a component II; adding the component II into the component I for uniform mixing, and adding the mercaptosuccinic acid for uniform stirring. According to the antibacterial spray and the preparation method thereof, bacterium growth can be effectively inhibited, and bacterium growth can be effectively inhibited at a low concentration.