37 results about "Gadoleic acid" patented technology

The invention discloses a nonionic organosilicon surfactant. By means of the surfactant, the distance between siloxane and a hydrophilic group is lengthened, and the hydrolysis resistance of siloxane can be effectively improved. The nonionic organosilicon surfactant has the structure of a structural formula I as follows: in the structural formula I, m ranges from 1 to 100, and n ranges from 0 to 20; R represents mono-functionality polyether ester with a structure as follows: in the structure of mono-functionality polyether ester, R1 represents CH3CH2, CH3CH2CH2, CH(CH3)2 or CH3CH2CH2CH2; R2 represents an alkyl part of alpha-gadoleic acid or unsaturated fatty acid; and x ranges from 20 to 120, and y ranges from 0 to 75.

The invention relates to an edible antibacterial ink prepared by blinding, mixing, grinding, adjusting, inspecting and processing raw materials. The raw material comprises the following component in percentage by weight: 20-65 percent of edible binder, 10-40 percent of edible addition agent, 20-50 percent of edible coloring material and 2-40 percent of diluting agent, wherein the binder is gadoleic acid solution of chitosan. The edible antibacterial ink not only has common characteristics of ink, but also can directly upholster the surfaces of food and medicines, avoid the safe problem of the food and medicines caused by printing ink, improve the grade of the food and the medicines and simultaneously has the functions of inhibiting and sterilizing strains which often exist in the food and keeping freshness and ensuring the quality.

The invention discloses a neoprene latex type adhesive, a preparation method and the application thereof. The neoprene latex type adhesive adopts acrylic esters monomers such as butyl acrylate, gadoleic acid isooctyl ester and the like as well as styrene having sufficient source and low price; styrene-acrylic emulsion is prepared by simple technique; neoprene latex is modified by the emulsion and matched with coagulator solution and other accessory ingredients, so that rubber latex type chloroprene rubber adhesive agent can be prepared; the performance of the rubber latex type chloroprene rubber adhesive agent is similar to that of the commercially available solvent-borne type chloroprene rubber adhesive agent, and the rubber latex type chloroprene rubber adhesive agent even has some indexes being superior to the indexes of the commercially available solvent-borne type chloroprene rubber adhesive agent; furthermore, the neoprene latex type adhesive has high cost performance, wide application scope as well as remarkable social and economic benefits. The neoprene latex type adhesive can meet the needs of different base materials such as a mattress, a chair, a couch, a sofa, a screen, a handbag, industrial polyfoam and the like, is low in cost and simple in preparing method, and has the excellent properties of good storage stability, large temperciance, rapid intensity foundation, high bonding strength, etc.

The invention relates to the technical field of organic macromolecular polymerization, aims to solve the problems that operation is difficult, storage is unstable, and the water resistance is poor due to the fact that overcoat varnish for conventional architectural coatings is subjected to extinction often by adding fumed silica or wax emulsion, and provides one-component acrylic ester matte core-shell emulsions with good anti-water-white performance and a preparation method and application thereof. The raw material components of the emulsions comprise alkyl methacrylate, alkyl acrylate, vinyl monomers without -COOH groups, vinyl monomers containing -COOH groups, organosilicone monomers, crosslinking monomers, a pH modifier, an emulsifier, an initiating agent and deionized water. The one-component acrylic ester matte core-shell emulsions are characterized in that after forming into films, the emulsions have a coarse structure with separated surface micro-phases through a core layer part along with the difference of the neutralization degree of the gadoleic acid functional monomer of 3-10 carbon atoms, and the emulsions with the different matte degrees are obtained. Water-based overcoat varnish prepared through the one-component acrylic ester emulsions has the advantages of good water-white resistance, storage stability, good weather resistance, low cost and the like.

The invention relates to a method for preparing an anti-scratch coating material for solar cell backplanes. According to the method, fluorine-containing methacrylate, styrene, acrylate, gadoleic acid and epoxy resin are used as raw materials, and the object product can be obtained through a polymerization reaction in a polymer solution polymerization method under the action of an initiator. The prepared fluorine-containing acrylate resin coating prepared with the method has the advantages of being resistant to scratch, strong in hydrophobicity and high in adhesive force.

The invention improves a preparation method of 3, 5-dihydroxy heptyl-6-gadoleic acid derivative. Asymmetric reduction is performed on intermediate 3-hydroxy-5-oxo-6-heptenoic acid ester derivative, alkali hydrolysis is performed on the obtained 3, 5-dihydroxy heptyl-6-heptenoic acid ester derivative crude product which is treated by alkali hydrolysis to obtain 3, 5-dihydroxy heptyl-6-gadoleic acid sodium salt derivative which is extracted and purified to obtain 3, 5-dihydroxy heptyl-6-gadoleic acid sodium salt derivative solution, then 3, 5-dihydroxy heptyl-6-gadoleic acid sodium salt derivative is converted into 3, 5-dihydroxy heptyl-6-gadoleic acid derivative, and 3, 5-dihydroxy heptyl-6-gadoleic acid sodium salt derivative is again converted into 3, 5-dihydroxy heptyl-6-gadoleic acid ester derivative with high yield, and purification methods such as recrystallization are performed to obtain purified 3, 5-dihydroxy heptyl-6-gadoleic acid ester derivative. The purified 3, 5-dihydroxy heptyl-6-gadoleic acid ester derivative is then hydrolyzed into 3, 5-dihydroxy heptyl-6-gadoleic acid sodium salt derivative which is finally converted into 3, 5-dihydroxy heptyl-6-gadoleic acid calcium salt derivative. 3, 5-dihydroxy heptyl-6-gadoleic acid derivative with high quality is obtained.

The invention provides a TPV (Thermoplastic vulcanizate) material as well as a preparation method and an application method thereof. The material is prepared through a liquid-state crosslinking process and a grafting vulcanization process, is prepared from the following raw materials in parts by weight: 100 parts of EPDM (Ethylene propylene diene monomer) matrixes, 50-150 parts of mineral oil, 10-20 parts of polypropylene, 15-25 parts of polyolefin elastomers (POE) and / or 5-15 parts of gadoleic acid compound modified EPDM, and 4-13 parts of crosslinking agents. Accordingly, through improving aformula of the TPV material and improving a production process, the bonding firmness of the TPV material is improved; cracking and stretch breaking of a product is effectively prevented; thus, the TPV material is applicable to joint angle of automobile sealing strips.

The invention discloses a low temperature resistant coating and a preparation method thereof. The coating comprises, by weight parts, 100-140 parts of silicone acrylic emulsion, 25-36 parts of gadoleic acid emulsion, 15-50 parts of tributyl phosphate, 12-25 parts of nanometer zinc oxide gel liquid, 6-10 parts of titanium dioxide, 1-6 parts of kaolin, 5-15 parts of dispersing agent, 4-12 parts of flatting agent and 200-320 parts of deionized water. The coating has the advantages that (1) the coating is reliable in quality and excellent in low temperature resistance, after freezing-melting circulation testing -40 DEG C is performed 30 times and weathering testing is performed for 500 h, the surface of the coating is not subjected to bubbling, cracking, pulverization, dropping and color change; (2) the coating is washable, high in durability, resistant to corrosion, dampproof and resistant to dirt and dust and can be washed randomly; (3) the coating is pure white and non-toxic, does not damage the human body and is suitable for environmental protection and hygiene; and (4) the coating can be constructed randomly, is not precipitated if placed for one year and does not go bad.

The invention relates to a strippable nail-protecting glue for weekly use. The strippable nail-protecting glue comprises, by weight, 35 to 50 parts of 11,14-diox-2,9-diazaheptadecane-16-gadoleic acid-4,4,6,16-tetramethyl-10,15-dioxo-2-[(2-methyl-1-oxo-2-allyl)oxo]ethyl ester, 0.01 to 0.05 part of a compound as shown in a formula I, 23 to 30 parts of acrylate oligomer, 2.2 to 3.2 parts of 1-hydroxycyclohexyl phenyl ketone, 2.2 to 3.2 parts of phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide, 9 to 14 parts of hydroxylethyl methacrylate. The nail-protecting glue provided by the invention can be cured to form a film only through LED light curing for 1 to 2 min, and has a full color and good luster and durability, and the lasting time of the glue reaches one to two weeks; a polish removing solution and wrapping with tinfoil are not needed in removing the nail-protecting glue, and the nail-protecting glue is not removed via a nail-beautifying pusher or abraded via a filling strip; and in removal of the nail-protecting glue, the glue can be integrally and easily stripped, so the glue has nail nursing effect and exerts strengthening and protection effect on fragile nails.

The invention aims at producing iodine-containing sterilization type skin care oil which is suitable for the skin care of human skin in cold regions. The skin care oil disclosed herein comprises fatty alcohol polyoxyethylene ether (EO=3-5) iodo-complex, higher fatty acid (gadoleic acid) triglyceride, high-grade mineral oil, vitamin E, and cedarwood essential oil. The skin care oil disclosed herein is very suitable for the skin care of human skin and being applied on the skin with chilblains or wounds in winter cold regions in northern area, and has the effects of skin care, freeze prevention, and anti-inflammation of chilblains or wounds. The skin care oil disclosed herein is a purple transparent oily liquid and has a pleasant cedar smell, has an iodine content of 0.3-0.5% and the pH value of 6-7, and is harmless to human skin and mucous membranes.

The invention discloses environment-friendly color fixing agent which comprises, by weight, 50-70 parts of gadoleic acid comonomer, 20-30 parts of acrylate, 20-50 parts of triethylene triamine, 2-4 parts of epoxy propane and 0.1-0.5 part of initiator. The color fixing agent is formaldehyde-free, environmental friendly, and good in color fixing effect, human health is guaranteed, and brightness of red color which fades easily can be kept for a long time.

The invention discloses dry antistatic spandex spinning oil, which is prepared from a compound high-temperature smoothing agent, a compound antistatic agent, a phenolic antioxidant, a phenylamino antioxidant, a gadoleic acid antioxidant, a high-temperature dispersant, a softening agent, an environment-friendly emulsifier, metallic stearates, a preservative and a defoamer, wherein the compound high-temperature smoothing agent is prepared by compounding hydrogenated paraffin base oil, hydrogenated naphthenic base oil and methyl silicone oil. The invention further provides a preparation method ofthe dry antistatic spandex spinning oil. According to the dry antistatic spandex spinning oil, spandex spinning has excellent antistatic property in different humidity conditions and is suitable forhigh-speed spinning process requirements of spandex denier filaments of various specifications. The dry antistatic spandex spinning oil has good smoothness, excellent high and low temperature resistance and excellent yellowing resistance, and has good dispersion and isolation to spandex at the same time.

The invention discloses a PCTFE coating material with high water vapor barrier property and a preparation method thereof. The coating material is prepared from the following raw materials in parts by weight: 50-60 parts of PCTFE, 10-14 parts of methyl acrylate, 13-17 parts of trifluoroethyl methacrylate, 5-9 parts of toluene diisocyanate, 7-11 parts of hydroxyethyl acrylate, 4-8 parts of azodiisobutyronitrile, 3-6 parts of triethylamine, 4-8 parts of gadoleic acid, 5-9 parts of dipropylene glycol methylether, 2-5 parts of leveling agent, 2-5 parts of KH550, 3-6 parts of polydimethylsiloxane and 1-4 parts of poly-3-methylthiophene. The coating material disclosed by the invention has the characteristics of good weather resistance, strong water vapor barrier property and high adhesion and can form excellent adaptation to a sealing material, particularly EVA, in a solar cell assembly. The coating material is simple in production process, low in production cost, easy in transportation and storage and easy in industrial production and is environment-friendly, thereby having market application values.

The invention discloses a manufacturing method for coating a silicon rubber / liquid crystal cross linking membrane on bi-component hollow fiber. The method includes the following steps of: (1) dissolving silicon rubber / gadoleic acid cholesterol ester liquid crystal and adding catalyst to make component A; (2) dissolving silicon rubber / gadoleic acid cholesterol ester liquid crystal and adding cross linker to make component B; and (3) dipping the hollow fiber first in the component A and then in the component B and obtaining a hollow fiber composite membrane coated with the silicon rubber / liquid crystal cross linking membrane on surface through heating, cross linking and solidification. The two components can react at room temperature to be solidified. To shorten the solidification time, heating process is adopted, and the thickness of a coated membrane is controlled simultaneously when the completeness and uniformity of the coated membrane are improved, thus being in line with the technical requirements of industrial continuous production. Aiming at the defects that the usage period of coating liquid in a single component is short, the hollow fiber coated membrane clings mutually easily and the continuous operation is difficult to realize in technology and the like, the invention develops the bi-component method coating technology of hollow fiber and provides a preparation method of continuous operation for the surface coating of the hollow fiber membrane.

The invention discloses a preparation process of environment-friendly color fixing agent. The preparation process includes the steps of firstly, heating one third formula amount of triethylene triamine to 70-80 DEG C, dropwise adding formula amount of acrylate, allowing for reaction for 2-3 hours, respectively adding formula amount of initiator and gadoleic acid comonomer, and controlling the temperature at 50-60 DEG C to complete polymerization reaction so as to obtain product A; secondly, heating two thirds formula amount of triethylene triamine to 90-100 DEG C, dropwise adding formula amount of epoxy propane, fast lowering the temperature to be below 40 DEG C, keeping the low temperature for reaction for 4-6 hours to obtain product B; thirdly, mixing product A and product B, adjusting pH to 2-3, and adding water until solid mass fraction reaches 60-65%. Compared with the color fixing agent obtained by direct polymerization reaction, the color fixing agent is better in color fixing effect, fastness to wet rubbing can be increased by one level, the defect that activated dye is poor in fastness to wet rubbing can be well overcome, and better soaping fastness and perspiration fastness are achieved.

The invention relates to an edible antibacterial ink prepared by blinding, mixing, grinding, adjusting, inspecting and processing raw materials. The raw material comprises the following component in percentage by weight: 20-65 percent of edible binder, 10-40 percent of edible addition agent, 20-50 percent of edible coloring material and 2-40 percent of diluting agent, wherein the binder is gadoleic acid solution of chitosan. The edible antibacterial ink not only has common characteristics of ink, but also can directly upholster the surfaces of food and medicines, avoid the safe problem of thefood and medicines caused by printing ink, improve the grade of the food and the medicines and simultaneously has the functions of inhibiting and sterilizing strains which often exist in the food andkeeping freshness and ensuring the quality.

The invention discloses a nonionic organosilicon surfactant. By means of the surfactant, the distance between siloxane and a hydrophilic group is lengthened, and the hydrolysis resistance of siloxane can be effectively improved. The nonionic organosilicon surfactant has the structure of a structural formula I as follows: in the structural formula I, m ranges from 1 to 100, and n ranges from 0 to 20; R represents mono-functionality polyether ester with a structure as follows: in the structure of mono-functionality polyether ester, R1 represents CH3CH2, CH3CH2CH2, CH(CH3)2 or CH3CH2CH2CH2; R2 represents an alkyl part of alpha-gadoleic acid or unsaturated fatty acid; and x ranges from 20 to 120, and y ranges from 0 to 75.

The invention discloses a method for preparing anti-static modified plastics. The preparing anti-static modified plastics are prepared from inorganic salt, carboxylic acids, gadoleic acids, anti-static epoxy resin, cellulose acetate, hydroxyethyl cellulose sodium polyacrylate, nano zinc oxide, polyethylene, interfacial modifier, plasticizer, dispersed lubricant, solubilizer and curing agents. An anti-static modified plastic composition not only is free of poison and harm, good in weather resistance and good in stability, but also is remarkable in anti-static effect and long in service life, overcomes the shortcomings of traditional modified plastics and has very high practical values; and the preparation method is simple and high in industrialized feasibility.

The invention discloses a hawthorn healthy nutritional pet feed which comprises the following components: animal protein, plant protein, carbohydrate, fat, edible cellulose, antioxidant, preservative and hawthorn. The hawthorn healthy nutritional pet feed of the invention has the advantages that: (1) as the hawthorn contains multiple organic acids such as crataegolic acid, the flavor of acerbity and lipolytic enzyme, the invention can enhance the function of enzyme after being sent to stomach to promote the digestion of meat; (2) hawthorn also contains beneficial compositions of triterpenoid gadoleic acid such as rich carotene, calcium, oleanolic acid, bird acid, cralaegin, etc. and flavonoid, etc., which can enhance the ability of animals to resist against diseases; (3) the pet feed of the invention has stress resistance performance which can reduce the stress reaction of pets.

The invention discloses a silicon rubber / gadoleic acid cholesterol ester liquid crystal cross linking membrane and a preparation method and applications thereof. The preparation method includes the following steps of: (1) mixing vinylsiloxane rubber with the gadoleic acid cholesterol ester liquid crystal, dissolving by tetrahydrofuran, and stirring to form uniform solution; (2) dropping a cross linker and a catalyst and conducting initial cross linking reaction at room temperature to obtain silicon rubber / liquid crystal solution; and (3) casting the silicon rubber / liquid crystal solution on polyethylene glycol terephthalate pellicle to form a membrane, drying under natural conditions to eliminate the tetrahydrofuran solvent, and striping the membrane from the pellicle after coagulation toobtain a membrane product. The invention combines the gadoleic acid cholesterol ester liquid crystal into a cross-linked silicon rubber membrane in a covalent bond way, thus not only avoiding the migration of micromolecule liquid crystal and improving the biocompatibility and antihemolysis property of the silicon rubber membrane, but also increasing the elasticity and strength of the silicon rubber membrane. The invention offers a new improvement method and reference for the application of silicon rubber membrane materials in biomedical engineering.

The invention discloses normal temperature curing coating containing fluorine prepared through a quaternary-copolymerization method, and a preparation method thereof. The invention relates to a normal temperature curing coating containing fluorine prepared through a quaternary-copolymerization method, and a production method thereof. Currently, CTFE is commonly applied to prepare coatings, and the prepared products have poor stability and are easy to be crystallized. The components of the product comprise: TFE, fatty acid vinyl ester, aliphatic enol and aliphatic gadoleic acid, wherein, the solid accounts for 60 to 70 weight portions, the hydroxyl value is 40mgkoH / g to 75mgkoH / g, the acid value is 8mgkoH / g to 15mgkoH / g, after 4 is applied, the viscosity in a cup is 45s to 54s, and the proportion is 1.10 to 1.25; the ratio of the weight portions of the TFE, fatty acid vinyl ester, aliphatic enol and aliphatic gadoleic acid in the polymer is as follows: 35 to 45:25 to 40:12 to 18:2 to 3, and the chain-like structure is as follows: the normal alkyl of R1 equal to C1 to C3; R2 equal to (CH)n, n equal to 1 to 6; R3(CH2)n, n equal to 1 to 10. The invention is applied in indoor decoration and other fields.

The invention relates to kid formula tea oil and a preparation method therefor. The kid formula tea oil comprises the following components, in parts by weight, 30-50 parts of refined tea oil, 5-10 parts of pant squalene, 3-5 parts of walnut extract gadoleic acid, 5-10 parts of natural VE, 1-3 parts of phospholipid, 3-5 parts of nervonic acid, 10-20 parts of oleic acid-palmitic acid-oleic acid (OPO) structured lipid, 10-20 parts of carrots, 5-10 parts of edible alcohol, 5-10 parts of selenium malt and 3-5 parts of wheat flour. The kid formula tea oil can be used for improving the memory of kids, and has a better health protection effect.

The invention relates to magnetic nano polystyrene carboxyl microspheres and a preparation method thereof. The magnetic nano polystyrene carboxyl microspheres are obtained by firstly synthesizing crosslinked polystyrene carboxyl microspheres with stable carboxy groups on the surface by a polymerization reaction of a styrene monomer, a crosslinking agent and gadoleic acid, removing large particlesin the microspheres, maintaining a uniform particle size of 60 nm to 300 nm, then dispersing uniform crosslinked nano polystyrene carboxyl microspheres into an iron / cobalt / manganese / nickel salt solution containing a reductive organic solvent to form homogeneous liquid, performing a high-pressure thermal insulation reaction on the homogeneous liquid under high temperature and high pressure conditions to synthesize composite magnetic nanoparticles, and removing the magnetic particles on the surface of the composite magnetic nanoparticles with acid. The magnetic nano polystyrene carboxyl microspheres prepared by the method involved in the invention have the advantages of good magnetic responsiveness, uniform particle size, good monodispersity, uniform magnetic content of particles, good magnetic particle embedding effect, stable functional group modification, and the like.

A medicament is used to treat scald, comprising procaine penicillin G, pearl powder and fish oil, wherein the pearl powder is powder of natural pearl or artificial pearl through comminuting and processing; the fish oil comprises gadoleic acid ethyl ester and ethyl docosa hexaenoic acid; the procaine penicillin G is mixed with the pearl powder and the fish oil with the weight of the procaine penicillin G occupies 50% of the mixture, the weight of the pearl powder occupies 30% of the mixture and the weight of the fish oil, which adopts duoxikang occupying 20% of the mixture. When in preparation, first, the procaine penicillin G and the pearl powder are mixed and the mixture is then mixed with the duoxikang before applied. The invention makes use of bactericidal action from that penicillin restrains synthesis of bacterial cell wall, utilizes the pearl powder to pinch capillary and astringe dialyzate and utilizes the fish oil to quicken medicament absorption to skin and prevent the invasion of bacteria. The invention not only can diminish inflammation and reduce dialyzate, but also hasten wound healing.

The invention relates to a method for synthesizing gamma-carbonyl ester compound by gamma-hydroxied gadoleic acid ester. A gamma-hydroxied gadoleic acid ester compound shown as a formula I is reacted at certain temperature in organic solvent in the presence of catalysts of an alcoxyl alkali-earth metal compound and a diamine compound shown as a formula II, and reaction products are quenched, separated and purified to obtain the gamma-carbonyl ester compound III. Through one-step catalysis reaction only, various different substituted gamma-carbonyl ester compounds can be quickly synthesized by the gamma-hydroxied gadoleic acid ester at high yield. The catalysts are wide in sources, cheap and readily-available and have stable chemical properties for light and heat, and transition metals and highly toxic products can be prevented from being used and generated. Compared with the prior art, the method has the advantages of mild reaction condition, obvious operating safety, and obviously widely application range.

The invention discloses a decoration brick for buildings. The brick is mainly prepared from carbon dioxide, glycerol triacetate, propyl butyrate, polyoxyethylene, long mica, betaine, ethylene oxide, mint juice, 5-7 parts of methyl butyrate, talcum powder, gadoleic acid, glyceryl triacetate, monomethyl ether acetate, 4-8 parts of dichlorvos, titanium dioxide, potassium permanganate, hydrogen pine oil, 6-11 parts of bismuth oxide, 5-15 parts of acrylamide, 3-8 parts of titanium dioxide, 1-5 parts of phosphoric acid, 8-15 parts of ferric oxide, 2-6 parts of borate and 6-9 parts of fresh lemons. The decoration brick for the buildings is resistant to wind and aging, long in service life and bright in luster and does not easily fade. By adding different kinds of toner, decoration bricks different in color can be manufactured, and the brick is suitable for being widely applied to the field of decoration of interior and exterior walls of the buildings.

The invention discloses a manufacturing method for coating a silicon rubber / liquid crystal cross linking membrane on bi-component hollow fiber. The method includes the following steps of: (1) dissolving silicon rubber / gadoleic acid cholesterol ester liquid crystal and adding catalyst to make component A; (2) dissolving silicon rubber / gadoleic acid cholesterol ester liquid crystal and adding crosslinker to make component B; and (3) dipping the hollow fiber first in the component A and then in the component B and obtaining a hollow fiber composite membrane coated with the silicon rubber / liquidcrystal cross linking membrane on surface through heating, cross linking and solidification. The two components can react at room temperature to be solidified. To shorten the solidification time, heating process is adopted, and the thickness of a coated membrane is controlled simultaneously when the completeness and uniformity of the coated membrane are improved, thus being in line with the technical requirements of industrial continuous production. Aiming at the defects that the usage period of coating liquid in a single component is short, the hollow fiber coated membrane clings mutually easily and the continuous operation is difficult to realize in technology and the like, the invention develops the bi-component method coating technology of hollow fiber and provides a preparation method of continuous operation for the surface coating of the hollow fiber membrane.

The invention discloses a PTFE coating material with high water vapor barrier property and a preparation method thereof. The coating material is prepared from the following raw materials in parts by weight: 80-85 parts of PTFE, 10-14 parts of butyl methacrylate, 4-8 parts of dodecafluoroheptyl acrylate, 5-9 parts of biuret, 13-17 parts of hydroxyethyl methacrylate, 5-9 parts of cumene hydroperoxide, 3-6 parts of tin dibutyl dilaurate, 7-11 parts of gadoleic acid, 3-6 parts of leveling agent, 3-8 parts of dipropylene glycol methylether, 2-5 parts of KH560, 4-8 parts of polydimethylsiloxane and 2-4 parts of poly-3-methylthiophene. The coating material disclosed by the invention has the characteristics of good weather resistance, strong water vapor barrier property and high adhesion and can form excellent adaptation to a sealing material, particularly EVA, in a solar cell assembly. The coating material is simple in production process, low in production cost, easy in transportation and storage and easy in industrial production and is environment-friendly, thereby having a market application value.

The invention discloses a dispersing agent and photo-cureable 3D printing ink, belongs to the technical field of dispersing agents, and discloses a formula composition, a preparation method and application of the dispersing agent. The dispersing agent comprises the following raw materials: polyol, isocyanate, hydroxy acid, hydroxyl gadoleic acid ester, monohydric alcohol and the like. The isocyanate and the polyol are subjected to a polymerization reaction, and the hydroxy acid, the hydroxyl gadoleic acid ester and the monohydric alcohol are adopted to control the content of NCO in a system until the NCO value in the dispersing agent is less than 0.1. The dispersing agent obtained by the invention can directly replace a commercially available dispersing agent to disperse various organic or inorganic pigments and prepare various inks. The photo-curable 3D printing ink prepared by using the dispersing agent has excellent dispersing performance: the dispersing particle size is less than 5 microns, the viscosity is 10000-20000cps, and the viscosity variation is small; and the comprehensive performance is good: the gloss of a coating film can be greater than 95 at an angle of 60 degrees, the covering power is greater than 85%, and the pencil hardness is greater than HB.