1880 results about "Fatty acid ester" patented technology

The invention discloses a pure bio-based polyhydroxyalkanoate adhesive as well as preparation and application thereof, and belongs to the technical field of degradable adhesives. According to the adhesive, polyhydroxybutyrate valerate or polyhydroxybutyrate hexanoate is used as a matrix, and the acid value reaches 2-15 mg KOH / g through molten end group activation; a reactive emulsifier with a hydrophilic-lipophilic balance value of 9-12 is introduced into a water phase, and the stable aqueous dispersion is prepared through phase inversion high-shear emulsification. The Z-average particle size of the dispersion is 0.12-0.30 [mu] m, and the content of the free surfactant is not higher than 30wt%. After the tackifying resin, the plasticizer and the vegetable wax are compounded, the bio-based carbon content of the obtained adhesive is not lower than 95%, and the volatile organic compound content is not higher than 100 mg / kg. The paper / paper heat sealing strength of the adhesive is not lower than 7.0 N / 15mm, the 180-degree peel strength is not lower than 7.5 N / 25mm, and the adhesive can pass repulping evaluation.

To provide a technique for enhancing the dermal delivery of a composition and, furthermore, enhancing the delivery of the composition to macrophage-surrounding areas.SOLUTION: The present invention provides a liposome with a particle diameter of 300 nm or less, comprising (A) polyglycerin fatty acid ester, (B) phospholipid, and (C) sterol. In a preferred embodiment, the liposome further comprises (D) an amphiphilic molecule having a disaccharide-to-trisaccharide hydrophilic group and an alkyl-chain hydrophobic group within its molecular structure.SELECTED DRAWING: None

A boron-containing polyethylene glycol fatty acid ester surfactant belongs to the field of organic chemistry and functional materials. The boron-containing polyethylene glycol fatty acid ester surfactant is prepared as follows: polyethylene glycol (PEG), boric acid and fatty acid are used as raw materials, first esterification reaction of the PEG and the boric acid is performed, then esterification reaction of the PEG and the fatty acid is performed to obtain boron-containing poly ethylene glycol fatty acid ester; by changing the species of fatty acids and catalysts and molecular weight of the PEG, the esterification rate can be enhanced, the boron-containing poly ethylene glycol fatty acid ester product can be used as a surfactant, and the boron-containing poly ethylene glycol fatty acid ester can reduce water surface tension and has good emulsifying properties.

The invention discloses a method for preparing low-GI rice noodles from a white kidney bean-mulberry leaf composite extract, which comprises the following steps of: firstly, extracting functional components in white kidney beans and mulberry leaves by adopting a water extraction method, adding Arabic gum and resistant dextrin into a white kidney bean-mulberry leaf composite extracting solution, regulating acid, and performing glycosylation and embedding treatment; uniformly mixing rice flour, high amylose, fiber powder, konjac glucomannan, mono-glycerol fatty acid ester, diglycerol fatty acid ester and the white kidney bean-mulberry leaf compound extracting solution; and finally, humidifying, cooking, extruding and forming to obtain the low-GI rice noodles. According to the invention, the glucogenic index of the rice noodles is reduced by adding the white kidney bean-mulberry leaf composite extract, the heat resistance of functional components in the composite extract is improved through glycosylation and embedding treatment, and the loss of the activity of the white kidney bean-mulberry leaf composite extract in the high-temperature cooking process of the rice noodles is reduced; meanwhile, in order to improve the flavor and taste of the low-GI rice noodles, the konjac glucomannan and other auxiliary materials are added, so that the low-GI rice noodles are rich in elasticity and better in taste and boiling fastness.

The invention relates to the technical field of CO2 miscible-phase oil displacement, in particular to an ester gas-soluble surfactant for reducing CO2 miscible-phase pressure and a preparation method and application thereof.The ester gas-soluble surfactant is prepared from polyglycerol fatty acid ester and acetic anhydride, the ester gas-soluble surfactant contains unsaturated hydrocarbon chains with the carbon atom number being 8-18, and the unsaturated hydrocarbon chains are connected with the polyglycerol fatty acid ester. N is the polymerization degree of the polyglycerol fatty acid ester, n is any integer in the range of 2-22, and the ester gas-soluble surfactant has the solubility of 0.5 wt%-1.5 wt% in supercritical carbon dioxide. When the ester gas-soluble surfactant provided by the invention is used, other auxiliaries do not need to be added, and a good mixing reduction effect can be achieved aiming at different crude oils by adjusting the number of carbon dioxide-philic groups and the length of oleophylic unsaturated hydrocarbon chains.

The present invention discloses a crack-channel polymer membrane based on sucrose fatty acid ester (SE) and a preparation method thereof. Sucrose fatty acid ester (SE) is used as an additive, and a membrane material with a crack-like high-porosity structure is prepared by a non-solvent-induced phase transformation method. The preparation method is universal in PMIA membrane, PVDF membrane, PES membrane, PSf membrane and PAN membrane. The microscopic effect of the amphiphilic property of SE between the casting liquid and the coagulation bath, as well as the microphase separation self-assembly strategy of SE itself, is utilized to regulate the multi-level scale membrane structure of the membrane material to realize a high-porosity membrane material with a specific crack-like surface structure, a high surface opening rate, and good uniformity of the surface pore size structure, thereby achieving a dual-effect improvement of the fine selection ability and permeability of the membrane; it can also give the membrane material permanent hydrophilicity, further improving the anti-pollution ability of the membrane, and can better meet the market demand for new filter membrane materials with excellent performance.

A process produces aliphatic monocarboxylic acids and α,ω-dicarboxylic acids or α,ω-dicarboxylic monoesters by electrochemical oxidation of unsubstituted or at least monosubstituted, monounsaturated or polyunsaturated fatty acids or fatty acid esters in the presence of an inorganic or organic nitrate salt in an electrolysis cell in a reaction medium in the presence of oxygen.

The invention discloses a cationic core-shell PHA nano-emulsion reinforcing agent as well as preparation and application thereof, and belongs to the technical field of papermaking chemicals. The problems that a traditional wet strength agent is poor in environmental protection property and difficult to recycle, and a conventional bio-based material needs high-temperature curing and is high in energy consumption are solved. According to the reinforcing agent, low-MFFT bio-based polyhydroxyalkanoate is used as a core, and a positive ion shell layer with strong positive charges is wrapped outside the core. The method has the core advantages that extra high-temperature curing is not needed, the film can be efficiently formed under the conventional 105 DEG C drying condition, and the energy consumption is remarkably reduced; meanwhile, high dry and wet strength and water resistance are achieved, the treated paper has excellent re-pulping recycling suitability, and the industrial pain point that traditional wet strength paper is difficult to recycle is solved.

The invention relates to the technical field of packaging, and discloses an express waterproof bag and a preparation method thereof, the express waterproof bag comprises the following components by mass: 60-70 parts of polylactic acid, 20-30 parts of poly (adipic acid-butylene terephthalate), 5-10 parts of polyhydroxyalkanoate, 2-5 parts of nano cellulose, 1-3 parts of modified montmorillonite, 0.5-1.5 parts of a photosensitizer, 0.25-0.5 part of a bio-enzyme catalyst, and 0.5-1 part of a plasticizer. By combining polylactic acid, poly (butylene adipate-co-terephthalate) and polyhydroxyalkanoate (PHA), the biodegradability is remarkably improved while the mechanical strength of the waterproof bag is maintained, PLA is degraded into carbon dioxide and water through hydrolysis reaction, the degradation rate of PLA is adjusted through PBAT and PHA, premature degradation is avoided, rapid degradation after use is ensured, and the waterproof bag has the advantages of being environmentally friendly and free of pollution. Furthermore, the degradation rate is optimized, the stability and environmental friendliness of the material are balanced, and plastic pollution is avoided.

The invention belongs to the technical field of sealing materials and synthetic rubber, and particularly discloses a high and low temperature resistant, wear resistant and fatigue resistant ethylene propylene rubber material and a preparation method thereof. According to the invention, the ethylene propylene rubber with low ethylene content and high Mooney viscosity is used as a base material, and the flexing resistance of a rubber system is improved by adding the small-particle-size high-wear-resistance carbon black, the high-structure-degree fast extruding carbon black, the compounded semi-reinforcing carbon black and the white carbon black as reinforcing filling materials. The low temperature resistance of the rubber is improved by adding a composite plasticizer (paraffin oil is compounded with a small amount of fatty acid ester plasticizer). Meanwhile, peroxide is selected, and a small amount of sulfur is used as a vulcanization system, so that the flexing resistance can be considered while the high-temperature resistance is ensured. And finally, the anti-aging agent is supplemented to enhance the protection effect on aging caused by heat and oxygen, so that the heat resistance and fatigue resistance of the rubber material are integrally improved. The rubber material provided by the invention can be prepared by adopting a universal mixing process in the rubber industry, and is simple in process and convenient to operate.

The invention relates to the field of polystyrene auxiliaries, and particularly discloses a coating agent for expandable polystyrene as well as a preparation method and application of the coating agent. The coating agent for expandable polystyrene is prepared from the following raw materials in parts by weight: 28 to 42 parts of mono / diglycerol fatty acid ester, 32 to 42 parts of triglyceride, 22 to 32 parts of stearate, 1 to 5 parts of ethylene bis stearamide and 2 to 3 parts of polyvinyl alcohol, and the granularity of the raw materials is 300 to 325 meshes. The coating agent provided by the invention can be used for light-grade, flame-retardant and common-grade expandable polystyrene, and can reduce adhesion and agglomeration among expandable polystyrene particles, enhance the demolding effect and reduce volatilization and loss of a foaming agent and an auxiliary agent.

The present invention relates to compositions and methods for forming substantially bio-based barrier coatings suitable for application on paper and paperboard substrates, as well as paper and paperboard substrates to which one or more such substantially bio-based barrier coatings are applied. The bio-based barrier coatings of the present invention comprise a bio-wax emulsion comprising one or more bio-waxes, such as castor oil wax, formed by hydrogenation of a bio-based oil, such as castor oil. The barrier coating composition is formed by dispersing a bio-wax emulsion into a polyhydroxyalkanoate (PHA) dispersion and can be applied as a coating at ambient temperature, for example, to paper or paperboard, such as paper or paperboard consisting of regenerated fibers, using conventional industrial processes.

The preparation method comprises the following steps: mixing walnut oil and idesia oil according to a mass ratio of (85-90): (10-15), stirring and heating to 68-72 DEG C under the condition of a rotating speed of 55-70 rpm, adding a gel compounded by edible wax and polyglycerol fatty acid ester according to a mass ratio of (4-6): 1, continuing to stir until complete dissolution, adding an emulsifying agent, and uniformly stirring to obtain the beta '-crystal-form woody oil-based oleogel, so as to obtain the beta'-crystal-form woody oil-based oleogel, namely the beta '-crystal-form woody oil-based oleogel. The preparation method comprises the following steps: preparing a liquid grease gel solution, directly putting the liquid grease gel solution under the condition of-10 to-40 DEG C for quick freezing, then stirring for 3-6 minutes under the condition of the rotating speed of 150-250 rpm, and standing for 5-6 days under the environment of 20-25 DEG C to prepare the woody oil-based grease gel. The grease gel prepared by the method disclosed by the invention contains a stable beta'crystal form, is high in oil holding rate and proper in hardness, has relatively good oxidation stability, and can be applied to baking instead of animal butter or hydrogenated vegetable oil.

The invention belongs to the field of fermentation, and particularly relates to a complex microbial inoculant, original cheese, processed cheese with a blood sugar reducing function and preparation and application of the complex microbial inoculant. Wherein the processed cheese is prepared by the method comprising the following steps: mixing the components including raw cheese, sugarcane juice, corn oil, casein, concentrated milk protein, blueberry powder, mono / diglycerol fatty acid ester, sodium citrate, sodium tripolyphosphate, sodium hexametaphosphate, salt guar gum, potassium sorbate and water, and then emulsifying to obtain the processed cheese, the sugar cane juice, the corn oil, the casein, the concentrated milk protein, the blueberry powder, the mono / diglycerol fatty acid ester, the sodium citrate, the sodium tripolyphosphate, the sodium hexametaphosphate, the salt guar gum, the potassium sorbate and the water, the original cheese is prepared from a complex microbial inoculant, and the complex microbial inoculant comprises lactococcus lactis bacterial powder, lactococcus lactis subsp. Lactis bacterial powder, lactobacillus delbrueckii subsp. Lactis bacterial powder, lactobacillus plantarum bacterial powder and lactobacillus paracasei bacterial powder. The processed cheese provided by the invention has a better function of controlling blood sugar, and meanwhile, the processed cheese is fine and uniform in texture and has good smearing performance.

The invention discloses a delayed coagulation type polycarboxylate superplasticizer and a preparation method thereof, and relates to the field of concrete admixtures. The retarding type polycarboxylic acid water reducing agent is prepared from 45 to 55 parts of unsaturated polyether monomer, 15 to 20 parts of quaternary ammonium salt cationic monomer, 10 to 15 parts of unsaturated sulfonic acid or unsaturated sulfonate monomer, 5.5 to 7.5 parts of unsaturated phosphate monomer, 4.8 to 6.2 parts of unsaturated hydroxy fatty acid ester monomer, 100 to 120 parts of acrylic acid, 1 to 2 parts of chain transfer agent, 1.5 to 2 parts of oxidizing agent, 0.75 to 1 part of reducing agent and 500 parts of water. The structural general formula of the unsaturated polyether monomer is R1CH2O (CH2CH2O) nR2, R1 is an alkenyl group, and R2 is any one of a phenyl group and a phenylalanine alkyl ester group. The delayed coagulation type polycarboxylate superplasticizer can effectively improve the delayed coagulation effect of a concrete mixture with the fine aggregate mud content larger than 1.5% in a high-temperature environment, and constructability is ensured.

Provided is a semiconductor nanoparticle complex in which a ligand is coordinated to a surface of a semiconductor nanoparticle. The semiconductor nanoparticle includes In and P, the ligand includes a mercapto fatty acid ester represented by the following general formula, and the mercapto fatty acid ester has an SP value of 9.30 or less. General formula: HS-R1-COOR2 (where R1 is a C1-11 hydrocarbon group and R2 is a C1-30 hydrocarbon group). The present invention can provide a semiconductor nanoparticle complex that keeps high fluorescence quantum yield before and after purification.

The invention discloses a multi-stage distillation control method and system for fatty acid ester refining, and the method comprises the steps: collecting the temperature, pressure, component concentration and flow data of each tower of a multi-stage distillation system in real time, and obtaining a real-time operation state vector representing the overall operation situation of the current system; according to the real-time operation state vector, obtaining a global optimization instruction set containing optimal set temperature, set pressure, reflux ratio and inter-tower energy flow instructions of each tower; according to the inter-tower energy flow instruction, obtaining a real-time energy flow map for realizing cross-tower energy cascade matching; according to the global optimization instruction set and the real-time energy flow atlas, obtaining a stable rectification operation state matched with the optimization target and the energy flow atlas; and obtaining a system self-healing state for maintaining continuous and stable output of the high-purity fatty acid ester according to abnormal disturbance characteristics continuously monitored in a stable rectification operation state. By utilizing the embodiment of the invention, global cooperative control of multi-stage distillation can be realized, and the separation purity and the energy efficiency ratio are improved.

To provide synthetic fibers and a synthetic fiber treatment agent capable of improving heat resistance.SOLUTION: The synthetic fiber treatment agent contains (A) the following smoothing agent, and (B) organic phosphite ester. The smoothing agent contains at least one selected from (A1) a tri-fatty acid ester of glycerin and (A2) a tri-fatty acid ester of trimethylolpropane.SELECTED DRAWING: None

The invention relates to the technical field of guide rail oil, in particular to a phosphorus-free environment-friendly guide rail oil composition which comprises the following components in percentage by weight: 0.2-0.8% of a composite additive; 0.1-0.3% of an antirust agent; 0.2 to 0.5 percent of an antioxidant; 0.01%-0.1% of a defoaming agent; and the balance of mineral base oil. Compared with the prior art, the non-phosphorus guide rail oil composite additive is characterized in that 1, the non-phosphorus guide rail oil composite additive is prepared from a fatty acid ester oiliness agent mixture, and the components are non-phosphorus; 2, a mercapto-thiadiazole derivative is adopted, so that a mercapto-thiadiazole protective coating is formed on a friction surface, the anti-corrosion and anti-rust effects are achieved, and the components are phosphorus-free; 3, a phenol type antioxidant is adopted as an antioxidant, so that the creeping phenomenon of a machine tool guide rail caused by loss of lubricity and astringent friction surface due to the fact that an oil product generates oxide in the operation process and colloid is adhered to the metal surface is avoided, and the component is non-phosphorus; the prepared guide rail oil is free of phosphorus, phosphorus reduction emission of enterprises is achieved, and the ecological environment of a water body is protected.

The present invention relates to the technical field of cutting fluids, and in particular to a water-based high-lubricity cutting fluid and a preparation method thereof, comprising triethanolamine, an oily corrosion inhibitor, a lubricating additive, benzotriazole, a surfactant, a potassium hydroxide solution, a pH regulator and deionized water. The water-based high-lubricity cutting fluid in the present invention is compounded by lubricating additives, triethanolamine, an oily corrosion inhibitor, benzotriazole, a surfactant and the like, wherein the sulfide fatty acid ester embedded in the lubricating additive is thrown out from the pores under the action of centrifugal force when subjected to a high centrifugal speed, and adheres to the metal surface to form a dense sulfide film, which plays a lubricating role, can effectively reduce shear stress, reduce friction and power consumption, reduce the temperature of the friction part between the tool and the workpiece and the tool wear, improve the cutting performance of the workpiece material, and improve the lubrication performance of the cutting fluid, so that it has the characteristics of small usage and high cutting quality.

Provided is a semiconductor nanoparticle complex in which a ligand is coordinated to a surface of a semiconductor nanoparticle. The semiconductor nanoparticle includes In and P, the ligand includes a mercapto fatty acid ester represented by the following general formula, and the mercapto fatty acid ester has an SP value of 9.30 or less. General formula: HS—R1—COOR2 (where R1 is a C1-11 hydrocarbon group and R2 is a C1-30 hydrocarbon group). The present invention can provide a semiconductor nanoparticle complex that keeps high fluorescence quantum yield before and after purification.

The invention provides milky tea base milk and a preparation method thereof and fruity milky tea, the milky tea base milk comprises, by weight, 30-80 parts of a cow milk raw material, 0.1-3 parts of an emulsifier, 0.01-3 parts of a stabilizer, 0.2-3 parts of buffer salt and the balance of water, the cow milk raw material comprises raw cow milk or a mixed emulsion of raw cow milk and grease, and the emulsifier is an emulsifier. The emulsifier is selected from one or more of sodium stearoyl lactylate, diacetyl tartaric acid ester of mono (di) glycerides, fatty acid ester of mono (di) glycerides, polyoxyethylene (20) sorbitan monostearate and polyglycerol fatty acid ester, and the emulsifier further comprises sodium caseinate. The milk tea base milk starts from a milk product, free matching of the milk product and different acidic fruits is realized by constructing a stable system of the acidic milk beverage, the problem of flocculation and denaturation caused by matching of neutral milk and different acidic fruits is practically solved, and the obtained fruit tea is mellow in taste and has good flavor and quality, and the product is easy in raw material obtaining and low in cost. The process is simple and convenient and has the advantage of large-scale production.

The invention relates to the technical field of environment-friendly high polymer materials, in particular to an environment-friendly furniture protective film and a preparation method thereof. The technical problems that a traditional furniture protection film is insufficient in toughness and short in service life are solved. According to the protective film disclosed by the invention, a polylactic acid, polyhydroxyalkanoate and dimer fatty acid ester flexibilizer blending material is taken as a matrix, a cyanoethylation lignin-cellulose nanocrystal compound reinforcing agent is added to form a dense nano network, and a dynamic cross-linking agent containing disulfide bonds and a functional auxiliary agent are introduced. According to the invention, a solvent-free ultraviolet light / damp and hot dual-curing system is adopted for coating and curing to prepare the coating. The furniture protection film is excellent in mechanical property, toughness is remarkably improved, and the furniture protection film has multiple functions such as high barrier property and the like and has the self-repairing capacity and the full-life-cycle environment-friendly characteristic.

The invention discloses a pet food added with vitamins, containing fish-derived raw materials and having effects of beautifying hair and protecting skin and a preparation method thereof. The vitamin-added pet food containing fish-derived raw materials comprises the following raw materials in parts by weight: 8-16 parts of salmon, 1-5 parts of salmon fish oil, 50-60 parts of chicken, 10-15 parts of chicken liver, 10-15 parts of chicken heart, 2-5 parts of sweet potato powder, 1-5 parts of beer yeast powder, 2-5 parts of chicken oil, 1-2 parts of semen plantaginis powder, 1-2 parts of chicory root powder, 1-2 parts of cellulose and 0.5-2 parts of egg yolk lecithin. The nutrient solution is prepared from the following components in parts by weight: 0.2-0.8 part of polyglycerol fatty acid ester, 5-20 parts of water, 0.2-0.5 part of vitamin E and 0.05-0.1 part of agar. The pet food containing the fish-derived raw materials and added with the vitamins is comprehensive in nutrition, and can enhance the physique of pets, help the growth of pet hair and make the hair color of the pets bright and glossy.

The present invention relates to a method of coating a granular material comprising the steps of (a) providing a granular substance; (b) providing a compound (C) which has at least one ester bond and which is obtainable by reacting a hydroxyl group or epoxy group of a compound (A) with a carboxyl group or anhydride group of a compound (B); (c) providing a compound (D) having at least one epoxy group; (d) reacting compound (C) with the epoxy group of compound (D) to produce compound (E) having an ester bond; wherein the reaction of compound (C) with compound (D) takes place in the presence of the granular material and optionally a curing agent to provide a coated granular material; and wherein the compound (A) has at least one hydroxyl group or epoxy group and is selected from fatty acid ester and fatty acid; and the compound (B) is selected from: compound (B-1) having at least two carboxyl groups; and compound (B-2) having at least one cyclic anhydride group. Furthermore, the invention relates to a coated granular material obtainable by the process according to the invention and to a kit comprising compound (C) and compound (D) and optionally a curing agent.

The invention relates to the technical field of fuel additives, in particular to a fuel additive as well as a preparation method and application thereof. Comprising the following components in parts by weight: 60 to 220 parts of bis-polyether amine, 10 to 20 parts of polyisobutene amine, 5 to 15 parts of polyether polyol, 5 to 30 parts of alkyl amine alcohol, 0.5 to 20 parts of polybasic fatty acid ester, 0.5 to 20 parts of alkyl acid ester, 10 to 30 parts of a catalyst, 2 to 7 parts of an antioxidant, 5 to 10 parts of a corrosion inhibitor and 10 to 50 parts of carrier oil. A small amount of the fuel additive is mixed with gasoline or diesel oil, and through bis-polyether amine and polyisobutene amine, combustion of fuel oil in a combustion chamber of an internal combustion engine is improved, more complete combustion of the gasoline or the diesel oil is promoted, the combustion efficiency of the fuel oil is enhanced, the oil consumption is reduced, and the economical efficiency of the fuel oil is improved; and air pollution caused by emission of hydrocarbon or combustion intermediate products is reduced.

The disclosure relates to a composition comprising a triglyceride component wherein: the triglyceride component comprises a mixture of triglycerides and wherein the mixture of triglycerides comprises individual triglycerides comprising one or more ester containing fatty acids and wherein the esters of the ester containing fatty acids are C8-C22 branched or straight chain fatty acid esters and wherein the composition has a drop melting point of between 30° and 70° C. and / or a combined monoglyceride and diglyceride content of between 0.5 and 10 percent.

The invention relates to a high-wear-resistance nano-particle composite polyester fiber spinning oil agent and a preparation method thereof. The oil agent contains 3-7wt% of an anti-wear agent composed of modified nano-hydroxyl magnesium silicate, polyoxypropylene stearate and polymethyl methacrylate; and 45-55 wt% of a smoothing agent composed of pentaerythritol oleate and trimethylolpropane fatty acid ester. The preparation method of the oiling agent comprises the following steps: firstly, weighing the components according to the weight; sequentially adding a smoothing agent, an emulsifying agent, a penetrating agent, a bundling agent, an antistatic agent, an anti-wear agent and an anti-coking agent; and finally, reacting for 1.5-3 hours at the temperature of 40-50 DEG C and at the stirring speed of 500-900 r / min to obtain the high-wear-resistance nano-particle composite polyester fiber spinning oil. The oiling agent has excellent wear resistance and smoothness, the manufacturing process is simple, and the oiling agent can well meet the spinning process of nano-particle composite polyester fibers.

The invention provides a softening agent for acrylic finishing and a preparation method thereof. The softening agent comprises the following components in parts by weight: 12-15 parts of modified amino silicon oil, 8-10 parts of an emulsifier, 1-3 parts of glacial acetic acid, 12-16 parts of polyvinyl alcohol, 5-7 parts of terpolymer silicone oil, 12-15 parts of polyethylene glycol fatty acid ester, 2-3 parts of a stabilizer, 2-4 parts of a stiffness agent and 50-60 parts of water. The softening agent prepared by the invention can enable acrylic fibers to have better bulkiness, softness, elasticity and good stiff and smooth properties.

The invention belongs to the field of food additives-compound coating agents and medicine solid preparation thin film coating premixing agents, and relates to a preparation method of a solid dispersion and a water-based gastric-soluble efficient moisture-proof coating composition containing the solid dispersion. According to the solid dispersion provided by the invention, stearic acid and magnesium stearate are selected as indissolvable components, polyglycerol fatty acid ester is used as a surfactant, hydroxypropyl methylcellulose / hydroxy propyl cellulose / sodium alginate is used as a carrier, and a grinding process is combined to treat the raw materials, so that a good synergistic effect is formed among the components; and the solid dispersion which can be stably amorphized is prepared. Tests find that the content of insoluble components in the prepared solid dispersion is obviously improved unexpectedly, and a coating composition of a carrier containing the solid dispersion has extremely excellent moisture resistance after film formation.