869 results about "Trimethylene glycol" patented technology

An ink for ink jet recording and an ink jet recording method which realize an image quality of laser printer on a plain paper in a one-pass printing mode under conditions of a volume of an ink droplet ejected being 5 to 43 Pico liter, a velocity of an ink droplet being 6 to 20 m / sec, frequency of 1 kHz and resolution of 300 dpi or more. The ink for ink jet recording is a penetrating type ink which comprises (1) at least one humectant selected from glycerin, 1,3-butandiol, triethyleneglycol, 1,6-hexanediol, propyleneglycol, 1,5-pentanediol, diethyleneglycol, dipropyleneglycol, trimethylolpropane and trimethylolethane, (2) colorant contained in the amount of 6 % by weight or more, (3) a polyol having 8 to 11 carbon atoms and glycolether, and an anionic surfactants or non-ionic surfactants, the ink has viscosity of 5 mPa.s or more at 25° C. and a surface tension of 40 mN / m or less.

The invention discloses application of diglycerol in electronic cigarette tobacco juice preparation, and discloses electronic cigarette tobacco juice prepared through the application. The electronic cigarette tobacco juice is made of the raw materials, by mass, five percent to ten percent of tobacco extracts, two percent to four percent of tobacco flavor, one percent to three percent of tobacco essence, two percent to six percent of edible essence, one percent to two percent of natural nicotine, one percent to four percent of natural phytoextraction essence, 30 percent to 85 percent of the diglycerol, and the balance one or more kind of propylene glycol, glycerol, ethyl alcohol, butanediol and triethylene glycol. The natural phytoextraction essence is formed by mixing agilawood, sandalwood, elecampane, bee sage roundleaves, sauropus spatulifolius and vitex leaves according to the mass ratio of (1-3):(1-2):(1-2):(1-2):(1-2):(1-2), and is obtained through supercritical CO2 extraction. The invention further discloses a method for preparing the electronic cigarette tobacco juice. The Chinese style flue-cured tobacco extractive and tobacco flavor and essence ingredients are included in the electronic cigarette tobacco juice, the odor and taste are close to those of traditional Chinese style flue-cured tobacco odor type cigarettes, and the smoking satisfaction sense is improved.

The present invention relates to water-soluble pouch which contains a liquid detergent composition, wherein the pouch is a water-soluble film, the film material comprising a polyvinyl alcohol, and wherein the liquid detergent composition also comprises a plasticizer, wherein the plasticizer is selected from the group consisting of glycerol, ethylene glycol, diethylene glycol, triethylene glycol, 2-methyl-1,3-propane diol, sorbitol, methanol, diglycerol, 1,4-butane diol, urea and mixtures thereof, and wherein the liquid detergent composition further comprises a viscosity modifier, preferably a hydrogenated castor oil.

The present invention includes a composition, system and method for odor neutralization of an air circulation system or an enclosed area. The present invention includes a deodorizing composition for odor neutralization consisting essentially of from about 0.1% to about 2%, by weight of ethoxylated alkyphenol, from about 5% to about 20%, by weight of triethylene glycol, from about 25% to about 40%, by weight of ethanol, from about 1% to about 5%, by weight of ricinoleic acid, from about 3% to about 15%, by weight of water and citric acid.

The invention relates to a catalyst of a 1, 2-propanediol prepared by hydrogenolysis of glycerine. The catalyst is a compound oxide, and contains cuprocide (weight fraction) 25 percent to 60 percent, zinc oxide 35 percent to 70 percent, aluminum oxide (weight fraction) 0 percent to 10 percent and at least one or a plurality of rare-earth oxides 0.5 percent to 10 percent of rare earth elements, such as Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, etc. The catalyst is used in continuous hydrogenolysis reaction of glycerine, in which the conversion rate of the glycerine is high, the selectivity of the 1, 2-propanediol is high and the activity of the catalyst is very stable. The invention also provides the preparation method of the catalyst and application of the catalyst in preparation of 1, 2-propanediol by hydrogenolysis reaction of glycerine.

The present invention relates to water-soluble pouch which contains a liquid detergent composition, wherein the pouch is a water-soluble film, the film material comprising a polyvinyl alcohol, and wherein the liquid detergent composition also comprises a plasticizer, wherein the plasticizer is selected from the group consisting of glycerol, ethylene glycol, diethylene glycol, triethylene glycol, 2-methyl-1,3-propane diol, sorbitol, methanol, diglycerol, 1,4-butane diol, urea and mixtures thereof, and wherein the liquid detergent composition further comprises a viscosity modifier, preferably a hydrogenated castor oil.

An improved combination air sanitizer, soft surface sanitizer, soft surface deodorizer and hard surface disinfectant is disclosed. The preferred active ingredient for the air sanitization and soft surface odor treatment functions is triethylene glycol (TEG). The preferred active ingredient for soft surface sanitization and hard surface disinfection functions is a mixture of various alkyl dimethyl benzyl ammonium saccharinates. The formulation may be provided in an aerosol spray form and is useful for sanitizing and removing bacteria and malodorant molecules from the air as well as disinfecting hard surfaces. A unique combination of corrosion inhibitors is disclosed for convention steel or tin-plated steel cans. A single produce can be used as an air sanitizer / air freshener, a soft surface sanitizer, a soft-surface odor remover / reducer and, a hard surface disinfectant.

The invention provides a foliar fertilizer specially used for Chinese gooseberries, which has the functions of cold resistance and consists of the following raw materials according to weight percentage: 0.1 to 8 percent of DMSO, 0.05 to 5 percent of trimethylene glycol, 0.05 to 5 percent of salicylic acid, 0.05 to 2 percent of compound ammonium nitrate, 1 to 15 percent of humic acid, 0.5 to 10 percent of chitosan, 1 to 10 percent of citric acid, 2 to 15 percent of urea, 1 to 10 percent of borax, 1 to 20 percent of zinc sulfate, 0.5 to 10 percent of ferrous sulfate, 0.05 to 5 percent of ammonium molybdate, 1 to 15 percent of manganese sulfate, 0.1 to 2 percent of SDBS and 35 to 80 percent of water. The foliar fertilizer has obvious effects of enhancing the cold resistance of the Chinese gooseberries, coordinating the nutrient balance in plant corpus, promoting the growth, increasing the output and improving the quality.

The present invention provides a catalyst for preparing 1, 2-trimethylene glycol using glycerol and hydrogen, and its application. The catalyst precursors are prepared by coprecipitation method or immersion method, the constitute of non-oxygen element is Cu-Zr-A, A is one selected from titanium, tungsten or molybdenum, Cu is 4-40% by weight percentage composition of the catalyst precursors, A / Zr ratio is 0.1-10; the catalyst being reduction activation in hydrogen stream under 200-450 Celsius before being used. The catalyst shows excellent catalyzing effect in the preparing course of the 1, 2-trimethylene glycol using glycerol and hydrogen, and lower hydrogen pressure, reacting temperature, high selectivity and life.

A method of treating a well that includes selectively emplacing a fluid loss pill into the well, wherein the fluid loss pill includes at least one of diethylene glycol, triethylene glycol, and tetraethylene glycol, and wherein the at least one of diethylene glycol, triethylene glycol, and tetraethylene glycol reacts with a calcium brine present in the well to form a plug is disclosed.

A method and composition for deodorizing soft surfaces such as carpeting and upholstery are disclosed. The method includes the spraying of a liquid composition on a soft surface and allowing the composition to absorb into the soft surface, form liquid agglomerations within the soft surface to the agglomerations can make contact with malodorants disposed within the soft surface. The composition comprises an active ingredient that is a liquid at room temperature with a vapor pressure of less than 0.0035 mmHg at room temperature. For example, the active ingredient can be triethylene glycol. Other ingredients that contribute to agglomeration formation include ethanol, water, fragrance and a combination of at least one nonionic and at least one ionic surfactant.

Provided is a preparation method for an antifogging thin film coating with high light transmission. M-phthalic acid triethylene glycol ester-5-sodium sulfonate (self made), polyethylene glycol 400, isophorone diisocyanate and pentaerythritol triacrylate are employed as main raw materials, dibutyltin dilaurate is employed as a catalyst, dimethylolpropionic acid is employed as a chain extender, acetone is employed as a solvent, and hydrophilic UV prepolymers are prepared; ethyl orthosilicate is employed as a precursor, gamma-methacryloxy propyl trimethoxysilane is employed as a modifier, a sol-gel method is employed, and uniform and stable modified SiO2 sol is prepared; the hydrophilic UV prepolymers and the modified SiO2 sol are subjected to hybridization through a UV curing way, and a thin film coating is obtained. The prepared thin film coating has good hardness and adhesive force, water resistance and high light transmission and good antifogging effects, and can be used for antifog of surfaces of glass and eyeglass. The preparation technology of the thin film coating accords with green environmental protection concepts, curing and film forming are fast, and comprehensive performances are good. The antifogging thin film coating has good market prospect and is suitable for popularization and application.

The invention discloses a method for purifying ethylenediamine, comprising the following steps: (1) heating extractant, feeding the extractant in to an extracting tower from the upper part of the extracting tower, gasifying 60.0-92.0% water-bearing ethylenediamine, feeding the ethylenediamine into the lower part of the extracting tower, making the ethylenediamine reversely contact the extractant on the upper part of the extracting tower in the extracting tower, discharging water from the top of the extracting tower and separating the mixture of the ethylenediamine and the extractant at the bottom of the extracting tower, wherein the extractant is diethylene glycol monomethyl ether, diethylene glycol dimethyl ether, triethylene glycol dimethyl ether or diethylene glycol monobutyl ether; and (2) heating the mixture of the ethylenediamine and the extractant, feeding the mixture of the ethylenediamine and the extractant to the middle part of the extracting tower, rectifying the mixture ofthe ethylenediamine and the extractant in a rectifying tower, separating the ethylenediamine on the top of the rectifying tower and discharging the extractant from the bottom of the rectifying tower.The method is mainly used for purifying the ethylenediamine.

An improved combination air sanitizer, soft surface sanitizer, soft surface deodorizer and hard surface disinfectant is disclosed. The preferred active ingredient for the air sanitization and soft surface odor treatment functions is triethylene glycol (TEG). The preferred active ingredient for soft surface sanitization and hard surface disinfection functions is a mixture of various alkyl dimethyl benzyl ammonium saccharinates. The formulation may be provided in an aerosol spray form and is useful for sanitizing and removing bacteria and malodorant molecules from the air as well as disinfecting hard surfaces. A unique combination of corrosion inhibitors is disclosed for convention steel or tin-plated steel cans. A single produce can be used as an air sanitizer / air freshener, a soft surface sanitizer, a soft-surface odor remover / reducer and, a hard surface disinfectant.

The invention discloses a tobacco juice solvent for an electronic cigarette. The tobacco juice solvent for the electronic cigarette comprises 10wt%-50wt% of butanediol, 5wt%-15wt% of polyethylene glycol, 5wt%-15wt% of triethylene glycol, 1wt%-5wt% of triacetin, 1wt%-5wt% of diacetin, 1wt%-5wt% of sweet taste inhibitor solutions and the balance glycerin, wherein the sweet taste inhibitor solutions are sweet taste inhibitor aqueous solutions or propylene glycol solutions, and the concentration of the sweet taste inhibitor solutions is 5wt%-15wt%. When the electronic cigarette prepared from the tobacco juice solvent is smoked, sweet greasy is avoided, the drying feeling is light, the taste is bitter, and a good application prospect in the development of the tobacco juice solvent of the electronic cigarette is achieved.

The invention relates to a method for preparing a micro / nanocomposite photocurable resin. The method for preparing the micro / nanocomposite photocurable resin is characterized by comprising the following steps of: 1) surface modification of nanoparticles, namely utilizing silicon dioxide nanoparticles as a nono-filler of a dental repair resin, and introducing a C=C double-bond functional group which can react with a resin monomer through two-step modification: (1) modifying by using gamma-aminopropyltriethoxysilane to introduce an amino group to the surfaces of the silicon dioxide nanoparticles, and (2) reacting the silicon dioxide nanoparticles with aminated surfaces and glycidyl methacrylate to introduce double bonds which can participate in a resin polymerization reaction to the surfaces of the nanoparticles; and 2) compounding of the modified nanoparticles, a resin and an initiator, namely adopting bisphenol A - glycidyl methacrylate and triethylene glycol dimethyl acrylate, introducing silicon barium glass powder serving as a microfiller and the modified nanoparticles, and adding a photoinitiator to obtain the micro / nanocomposite photocurable resin. The method has the characteristics of low cost and simple process.

This invention provides production of material 1, 3- trimethylene glycol and 2, 3- butylene-glycol by coarse starch. The coarse starch is fermented continuously by yeast cell to obtain the high concentration fermented liquid of glycerine. The fermented liquid of glycerine is filtered to obtain the cells which can be used for the next batch glycerine fermentation. The filtrate is used as the base material for producing 1, 3- trimethylene glycol. Add the nitrogen source in the fermented course. When finishing the fermentation conduct the processes of desalting, distillation, vacuum rectification etc. step to the 3- Trimethylene glycol and 2, 3- Butylene-glycol to obtain the products. At the same time the concention of 1, 3- Trimethylene glycol and 2, 3- Butylene-glycol with high added value is increased through cell back-use and mending material craft. Its advantage lies in: reduced the production cost effectively, raised production efficiency.

The invention discloses an automotive UV (Ultraviolet) light-cured camouflage coating and a preparation method thereof. The camouflage coating comprises a UV light-cured resin, a reactive diluent, a camouflage paint composition, addition agents and a photoinitiator, wherein the UV light-cured resin is formed by four-functionality urethane acrylates and epoxy acrylates; the reactive diluent is formed by pentaerythritol tetraacrylate (PETA) and triethylene glycol divinyl ether (DVE-3); the addition agents comprise an accelerant, a coupling agent, a flatting agent, defoaming agent and extinction powder; the photoinitiator is formed by Irgacure651 and 2-chloridized thioxanthone. The camouflage coating disclosed by the invention has the characteristics of rapid curing speed, energy conservation, air pollution reduction, good adhesive force, high rigidity and the like.

The invention provides a dye-type non-dry watercolor ink composition, which comprises the following components in part by weight: (a) 0.5 to 7.0 parts of dye, (b) 10.0 to 15.0 parts of moisturizing agent, (c) 0.05 to 0.3 part of antiseptic and mildew-proof agent, (d) 0.1 to 0.5 part of auxiliary agent and (e) 77.2 to 84.35 parts of water, wherein the components (a) to (e) account for 95 to 100 percent of the total weight of the composition; the (b) moisturizing agent is a compound moisturizing agent consisting of two moisturizing agents, wherein the first moisturizing agent is may be one or more of glycerol, ethylene glycol, propylene glycol, polyethylene glycol, diethylene glycol, triethylene glycol and sorbitol; the second moisturizing agent is selected from one or more of sodium lactate, hyaluronic acid, pyrrolidone carboxylic acid, natural moisturizing factor (NMF) and amino acid; and the weight ratio of the first moisturizing agent to the second moisturizing agent is (2-3): 1.

The invention relates to a low-temperature dyeing assistant for wool and a dyeing method. The low-temperature dyeing assistant comprises, by mass, 22 to 32% of N-polyoxyethylated tallow-alkylamine, 10 to 15% of triethylene glycol monobutyl ether, 3 to 6% of ethoxyamine aliphatate derivative, 0.2 to 0.5% of polyethylene glycol, 0.5 to 1% of glacial acetic acid, 0.5 to 1% of sodium carbonate, 1 to 2.5% of hexamethylenetetramine and 1 to 2.5% of sodium sulfate. The low-temperature dyeing assistant has the functions of low-temperature colourability, level dyeing and retarding performance and dispersion and permeation performance, replaces a low-temperature dyeing assistant, a leveling agent, a dispersant and the like simultaneously used in traditional low-temperature dyeing and simplifies low-temperature dyeing process for wool.

The invention belongs to the technical field of polyvinyl alcohol thin films, and discloses a blow molded water-soluble polyvinyl alcohol thin film and a preparation method and application thereof. The blow molded water-soluble polyvinyl alcohol thin film is prepared from the following components in parts by weight: 100 parts of polyvinyl alcohol resin, 30 to 50 parts of a compound plasticizer, 5to 20 parts of thermoplastic starch, 1 to 20 parts of water-soluble inorganic salt, 1 to 10 parts of water, 1 to 10 parts of a water-soluble additive, 0.05 to 2 parts of a surfactant, 0 to 0.5 part ofan antioxidant, and 0 to 0.5 part of a thermal stabilizer, wherein the compound plasticizer is a complex of glycerin, triethylene glycol, N-methyl pyrrolidone and polyhydroxy compound containing amino function groups. The blow molded water-soluble polyvinyl alcohol thin film has the advantages that the melting and extrusion blowing molding method is adopted; the preparation technology is simple,and the production efficiency is high; the air blocking property and mechanical property are better; the blow molded water-soluble polyvinyl alcohol thin film can be completely and quickly dissolved in water at normal temperature, and can be applied to water-soluble product packages of pesticides, detergents, water treatment agents and the like.

The micro-fiber spinneret cleaning technique comprises the following procedures: a glycol solution is used as a cleaning agent, and the glycol solution with the concentration of 70 to 85 percent is added; a hanging basket equipped with a micro-fiber spinneret is put into a glycol cleaning furnace body, and then a furnace door is closed; when the glycol solution is heated to 230 to 24 centigrade degrees, the pressure reaches 0.36 to 0.43MPa; the solution is kept under the condition for about 3.0 to 4.0 hours, and then heating stops automatically; the pressure inside the furnace body is released to the normal pressure; a discharge valve is opened to discharge the glycol solution into a glycol solution collection tank forcefully; the hanging basket is taken out of the furnace body and is cleaned directly with an ultrasonic wave containing a 5 percent concentrated alkali solution. The technique is applicable for cleaning of a micro-fiber spinneret with the pore diameter of less than 0.15 Mu m. The cleaning qualification ratio reaches 100%, and the cleaning time is only 5 hours. Compared with the triethylene glycol cleaning, the cleaning time is reduced by 50 percent and the energy is saved by over 30 percent. Moreover, no environmental pollution is caused.

This invention provides a promoting cell synthesizing trimethylene glycol method by adding organic intermediary metabolism molecule, and it belongs to trimethylene glycol biosynthesize technology field. Aim at the problem of low transformation efficiency of single cell using glycerine anaerobic fermentation in present technology, this invention realizes ideal flux distribution of substrate and product during the process of trimethylene glycol fermentation, which makes high effect trimethylene glycol fermentation into reality. The invention breaks through the bottleneck of low trimethylene glycol transformation efficiency using glycerine biosynthesis, which improves the transformation efficiency of substrate, shortens fermenting time and cuts down the cost.

Water-based intumescent fireproofing formulations are provided that exhibit excellent fireproofing properties while simultaneously significantly reducing and / or eliminating the potential for VOC release and exhibiting excellent hangability properties. The intumescent fireproofing formulation includes a coalescent that significantly reduces and / or eliminates the potential for VOC release and fiber constituents, e.g., fibers of greater than 0.2 mm in length. Exemplary coalescents have a boiling point of at least 180° C. and include bis(2-ethylhexanoate)triethyleneglycol, 2,2,4-trimethyl-1,3-pentanediolmono(2-methylproponate) and 2,2,4-trimethyl-1,3-pentanedioldi(2-methylpropanoate). Intumescent fireproofing formulations are also provided that include clay to further improve performance.

The invention belongs to the preparation field of magnetic materials, comprising the following steps: firstly, adding the metal ion salt to organic polar solvent for complete dissolution, and then adding solid alkali metal salt and surfactant; the composed mixed solution is reacted at 140-200 DEG C so as to get ferrimagnetic hollow microspheres; the mass ratio between the surfactant and the organic polar solvent is 0.02-0.2:1; the concentration of the metal ion solution is 0.025-0.625mol / L; the molar ratio between the alkali metal salt and the metal ions is 5-20:1; the metal ion is selected from one or more among the iron, cobalt, nickel, manganese, zinc and magnesium ions; the surfactant can be polyethylene glycol series or tween series; the organic polar solvent can be glycol, ethanol, diethylene glycol, triethylene glycol, tetraethylene glycol or glycerol. The method of the invention is simple and the raw materials are cheap and can be easily obtained; the method has good process repeatability, high yield, safety, low cost and wide applicability, which generates no toxic substances and pollutants.

The invention discloses a low-smoke zero-halogen flame-retardant cable material and a preparation method thereof. The low-smoke zero-halogen flame-retardant cable material consists of the following raw materials in parts by weight: 95-105 parts of chloroprene rubber A90, 10-15 parts of polyurethane, 15-20 parts of nitrile butadiene rubber, 15-25 parts of triethylene glycol di-isooctoate, 2-3 parts of ferrocene, 1-2 parts of N,N'-m-phenylene bismaleimide, 30-35 parts of barium sulfate powder, 1-2 parts of anti-aging agent AW, 1-2 parts of 2-thiol benzimidazole, 5-8 parts of chlorinated paraffin, 1-2 parts of accelerant DM, 0.8-1 part of ammonium trimolybdate, 15-25 parts of nano bauxite, 1-3 parts of polypropylene glycol adipate, 2-4 parts of hydrated zinc borate, 4-6 parts of epoxy butyl oleate, 0.8-1 part of vulcanizing agent DCBP, 2-3 parts of modified sepiolite and 4-6 parts of dipentamethylenethiuram hexasulfide. According to the invention, the produced low-smoke zero-halogen flame-retardant cable material has excellent physical performance, stable size and low shrinkage; and the tensile strength, the tear strength and the resilience force of the product are greatly improved.

The invention relates to a photo-curing composition for tooth, with belongs to the field of preparation for dentistry. The object of the invention is to solve the problem that the abrasion resistance and obdurability of photo-curing dentistry compound resin material for filling tooth cavity is needed to be improved urgently. The composition provided by the invention comprises the following components, in mass percentages, nano inorganic powder treated by surface modification with silicone hydride coupling agent 20-85%; resin monomer such as bisphenol A glycidyl methacrylate 8%-70%; fluidifying agent such as triethylene glycol dimethacrylate 5%-25%; photoinitiator such as camphorquinon 0.25%-2%; coinitiator such as 2-(dimethylamino)ethyl methacrylate 0.5%-3%; the main point of the invention is the nano inorganic powder contains flaky alumina granules 10-80 wt.% based on its own weight. Flaky alumina granule component in the composition provided by the invention contributes to improve abrasion resistance and obdurability of photo-curing material.

An ink composition includes at least a pigment, a humectant, and water in from 10 to 60% by weight to the total amount of ink. The humectant is a mixture of (A) at least one compound selected from glycerin, 1,2,6-hexanetriol, diethylene glycol, triethylene glycol, tetraethylene glycol, and dipropylene glycol; (B) either trimethylol propane or trimethylol ethane, or a mixture thereof; and (C) at least one compound selected from betaines, saccharides, and ureas and having a molecular weight in the range of from 100 to 200, at a content weight ratio of (A):(B):(C) of 1.0:0.1 to 1.0:1.0 to 3.5.

The invention provides an environment-friendly cold-resistant polyvinyl chloride cable material. The polyvinyl chloride cable material is prepared with the following components and raw materials by weight: 60-70 parts of polyvinyl chloride, 10-15 parts of polysiloxane, 8-10 parts of silicon rubber, 12-15 parts of dioctyl terephthalate, 5-10 parts of triethylene glycol di-2-ethylhexoate (triglycol dioctate), 3-5 parts of epoxy triglyceride, 8-10 parts of tributyl acetocitrate, 1-2 parts of cobalt naphthenate, 0.2-0.3 part of ethyl silicon oil, 2-5 parts of chlorinated polyethylene, 10-15 parts of aluminum hydroxide, 5-6 parts of triphenyl phosphate, 4-6 parts of decabromodiphenyl ether, 8-10 parts of light activated calcium carbonate, 5-8 parts of bentonite, 1-2 parts of zinc oxide, 1-2 parts of titanium dioxide, 5-6 parts of cinerite, 6-8 parts of highly wear-resistant carbon black, 2-3 parts of Ca-Zn compound stabilizer, 0.1-1 part of antioxidant 1076, 0.1-0.3 part of dicumyl peroxide (DCP), 0.2-0.3 part of butyl stearate, 1-2 parts of barium stearate, 0.1-0.5 part of zinc stearate, and 8-10 parts of modified filler. The cable material is of good shock resistance at low temperature and environment-protection property, thereby solving the problem that the existing polyvinyl chloride cable material is not environment-friendly, and bad in the shock resistance at low temperature.

The invention belongs to the technical field of packaging materials and discloses an environment-friendly water-soluble polyvinyl alcohol packaging film and a preparation method thereof. The packaging film is prepared from the following components in parts by weight: 100 parts of polyvinyl alcohol resin, 5-30 parts of oxidized starch, 5-30 parts of a plasticizer, 1-10 parts of an enhancer, 1-3 parts of a surfactant and 0.05-2 parts of a defoaming agent, wherein the plasticizer is a compound plasticizer which is prepared by compounding glycerin with other plasticizers and contains at least one combination of glycerin / polyglycerin, glycerin / polyethylene glycol 200, glycerin / polyethylene glycol 400, glycerin / polyethylene glycol 600, glycerin / diethylene glycol and glycerin / triethylene glycol. The packaging film can be rapidly completely dissolved into water at the room temperature, is transparent, colorless and toxic-free after being dissolved, is biodegradable, has excellent mechanical properties and can be applied to water-soluble product packages such as pesticides, detergents and water treatment agents.