631 results about "Acryloyl chloride" patented technology

The invention discloses a photo-curing monomer with ortho-phenolic hydroxyl strucutre, a preparation method and bond thereof. In the formula I monomer, the compound which has crylic acid at two ends or crylic acid double bond at one end and methylacrylic acid double bond at the other end is added to the amidogen of dopamine and derivant thereof through a Michael addition method to form corresponding secondary amine or tertiary amine. In the formula II monomer, the double bond is introduced by (methyl) acrylic anhydride, (methyl) crylic acid and (methyl) acryloyl chloride. The photopolymerization bond comprises the following components by weight percent: 20 to 99.9 percent of the compound with the ortho-phenolic hydroxyl structure, 0 to 70 percent of activated thinner and / or solvent, 0.1 to 10 percent of evocating agent and 0 to 60 percent of natural macromolecule or modified outcome thereof. The bond can be bonded in dry state and wet state, is a quick and long lasting bond, realizes the organic bond of biological bond and photopolymerization, has the advantages of low manufacture cost, simple and convenient operation and high productivity and has extensive application foreground in the biological bond field.

The invention discloses a preparation method of anti-bacterial hydrogel dressing. The method comprises the following steps: 1) dissolving dihydroxy-terminated polyethylene glycol in tetrahydrofuran, adding acryloyl chloride to react at room temperature under the protection of nitrogen, treating the obtained reaction product through filtrating, evaporating, washing and concentrating to obtain polyethyleneglycol diacrylate crosslinking agent; 2) using ZnO nanoparticles containing Ag<+> to prepare 15-30wt% of nanometer water solution, then dissolving natural high molecular material in the nanometer water solution to obtain natural high molecular water solution containing nano-Ag; 3) mixing acrylamide, polyethyleneglycol and natural high molecular water solution containing nano-Ag, placing themixture at room temperature under the irradiation of <60>Co source for crosslinking and obtaining the anti-bacterial hydrogel dressing, the molar ratio of Ag to Zn is 1:4. The anti-bacterial hydrogeldressing prepared by the method is a kind of porous reticular dressing with antibacterial property and hydrating capacity.

The present invention relates to a polymerizable macromolecule photoinitiator and a preparation method thereof. The preparation method comprises: adding 4-hydroxybenzophenone and a formaldehyde solution to a three-necked flask filled with an alkali adopted as a catalyst, carrying out heating stirring to a temperature of 95 DEG C, and carrying out a reaction for 2 hours; heating to a temperature of 150 DEG C, carrying out a reaction, and carrying out a reduced pressure suction filtration reaction for 20 minutes; cooling to a temperature of 105 DEG C after completing the reaction, and collecting the product; pouring the product into water to carry out precipitation, and carrying out suction filtration to obtain a benzophenone-containing macromolecule photoinitiator; dissolving the benzophenone-containing macromolecule photoinitiator in an organic solvent, and simultaneously adding the benzophenone-containing macromolecule photoinitiator and a tertiary amine to the three-necked flask to carry out stirring; dissolving acryloyl chloride in an organic solvent, and slowly adding the organic solvent containing the acryloyl chloride to the mixing solution in a dropwise manner, wherein thereaction temperature is 0-5 DEG C; after completing the addition, stirring for 3 hours at a room temperature, and standing overnight; carrying out suction filtration, washing and drying on the resulting solution; and carrying out rotary evaporation to remove the solvent to obtain the polymerizable macromolecule photoinitiator. The photoinitiator prepared by the preparation method of the present invention has characteristics of large molecular weight, relatively small mobility, self-polymerization, and the like.

The invention discloses a hyperbranched hydrophobical-associating water-soluble polymer and its preparation method. The polymer is obtained through copolymerizing acrylamide, acrylic acid, a hydrophobic monomer and functional hyperbranched macromolecules. The preparation method of the polymer comprises the following steps: 1, respectively dissolving a hyperbranched polyamide-amine macro-molecular skeleton treating diethylenetriamine as a core and maleic anhydride (or acryloyl chloride or acrylic anhydride) in dimethyl sulphoxide, slowly adding the skeleton monomer solution to the maleic anhydride solution in a dropwise manner, letting in nitrogen, placing the obtained system in an icy salt bath, stopping the dropwise addition of the skeleton monomer solution when the pH value of a reaction solution reaches 4-5, and precipitating with chloroform to obtain a functionalized skeleton monomer; and 2, carrying out free radical aqueous solution polymerization of sodium acrylate, acrylamide, the hydrophobic monomer dimethylallyl-N-alkylammonium chloride and the functional skeleton monomer. The preparation method has a reliable principle and is simple to operate, and the synthesized polymer still has a good thickening capability and a good seepage performance under a high mineralization degree and a strong shearing action.

The invention belongs to the technical field of textile fabric finishing agents, and relates to a method for preparing an intermediate fluorine-containing acrylate monomer of a water-proof and oil-proof organic fluorine fabric finishing agent. The method is characterized by comprising the following steps of: (1) in the presence of a reducing agent, preparing polyfluoroalcohol by using a perfluoroalkylacyl compound as a raw material; and (2) slowly dripping (methyl) acryloyl chloride to prepare fluorine-containing acrylate in the presence of a catalyst by using the polyfluoroalcohol prepared in the step (1) and using phenothiazine as a polymerization inhibitor. The number of long-chain perfluoroalkyl carbon atoms in the prepared fluorine-containing acrylate is less than 8, and the fluorine-containing acrylate can be degraded and has no biological accumulation. The fluorine-containing acrylate has no hidden dangers of long-chain perfluoroalkyl to destroy the environment and harm human health. Fluorine-containing acrylate copolymer emulsion prepared by using the prepared fluorine-containing acrylate monomer is used as a water-proof and oil-proof finishing agent for textiles, and the finished textiles have excellent water-proof and oil-proof performance.

The invention discloses a side-chain liquid crystal polymer with aggregation-induced emission property and a preparation method thereof. A substituted cyano-distyrene compound is generated by using a substituent-containing para benzaldehyde derivative and hydroxybenzyl cyanide through Knoevenagel reaction, so that, on one hand, the substituted cyano-distyrene compound can react with polymerizable double bond-containing acids such as saturated dihalide, methacrylic acid or acrylic acid in sequence to generate a polymerizable monomer and a side-chain liquid crystal polymer with a flexible spacer is obtained through free radical polymerization; and on the other hand, the substituted cyano-distyrene compound can directly react with polymerizable double bond-containing acyl chloride such as methacryloyl chloride or acryloyl chloride to generate the polymerizable monomer and a side-chain liquid crystal polymer free of the flexible spacer is obtained through free radical polymerization. A fluorescent chromogenic group and a liquid crystal unit are combined into one; the method is simple in synthesis and easy to purify, and the obtained polymer has an obvious aggregation-induced emission effect, has excellent liquid crystal property and has a good application prospect.

The invention relates to a synthetic method of an anti-tumor medicine, namely N-[2-[[2-(dimethylamino) ethyl] methyl amino]-4-methoxy-5-[[4-(1-methyl-1H-indole-3-yl)-2-pyrimidyl] amino] phenyl]-2-acrylamide (AZD9291) and a key intermediate of the anti-tumor medicine. The synthetic method comprises the following steps: performing Boc acid anhydride protection on 4-fluoro-2-methoxy-5-nitroaniline to obtain 4-fluoro-2-methoxy-5-nitroanilino tert-butyl formate, then reacting with N,N,N'-trimethylethylenediamine to obtain 4-(N,N,N'-trimethylethylenediamino)-2-methoxy-5-nitroanilino tert-butyl formate, then reducing to obtain 2-(N,N,N'-trimethylethylenediamino)-4-methoxy-5-tert-butyl carbamate phenylamine, then completely reacting with acryloyl chloride and directly removing a Boc protecting group to obtain 2-methoxy-4-N,N,N'-trimethylethylenediamino-5-acrylamido phenylamine, and finally reacting with 3-(2-chloropyrimidine-4-yl)-1-methylindole to obtain AZD9291. A process disclosed by the invention is simple in step, relatively high in yield, mild in reaction condition and easy for realization of industrial production.

The invention relates to an electrophoresis particle of polymer dye (pigment) for electronic ink and a preparation method thereof, and belongs to technology of electrophoresis particle preparation. The electrophoresis particle uses dye as an initial raw material, and is prepared according to the following proportion that: the mass ratio of the dye to acryloyl chloride is 1:1-10; the mass ratio of the dye to styrene is 1:1-20; the mass ratio of the dye to divinylbenzene is 1:0.5-10; and the mass ratio of the dye to an initiator AIBN is 1:0.01-0.05. The preparation method comprises the following steps: carrying out functionalized modification on dye acidylation by acryloyl chloride in methylene dichloride to lead the dye to carry a polymerizable functional group; then, leading the dye to perform a polymerization reaction with styrene in ethanol for 4 to 12 hours by taking AIBN as the initiator and the divinylbenzene as a cross-linking agent to prepare the particle with particle diameter of between 200 and 300nm. The electrophoresis particle and the preparation method have the advantages of simple process, accessible raw materials, even particle diameter of the prepared colorful electrophoresis particle and good degree of sphericity. The electrophoresis particle of the organic polymer dye (pigment) not only maintains the advantages of bright color and proper density of the organic dye, but also overcomes the defects uneven shape of the organic dye particle, poor movement effect in disperse liquid under the action of an electric field.

The invention relates to an acrylate polymer integrating water and oil repellence with flame retardancy, which has the structural formula shown as the figure, and preparation and application thereof. The preparation of the acrylate polymer comprises the steps: at first, chlorine alkyl phosphate and alkyl alcohol amine are subject to ammonolysis reaction under certain conditions, the resultant alcohol is further subject to esterification reaction with acryloyl chloride at low temperature to prepare acrylate derivative consisting of phosphorus and nitrogen units, and finally the acrylate derivative, fluorine-containing acrylate, crosslinking monomer and long-chain acrylate monomer are subject to polymerization through emulsion. The acrylate polymer according to the invention can be diluted with water at any ratio, has no bioaccumulation toxicity, no or low VOC discharging and no formaldehyde and other harmful substances, and is an environmentally friendly, green, pollution-free water / oil-resisting antifouling flame-retardant finishing agent with high performance; in addition, the acrylate polymer not only can be used for the flame-retardant finishing of fabrics, but also has excellent water and oil repellence and eco-friendliness.

The invention discloses a method for synthesizing acrylic acid or methacrylic acid vinsol ester, comprising the following steps: one of vinsols containing hydroxide radical functional groups, acid-binding agent and addition type polymerization inhibitor are dissolved in non-proton transfer solvent, methacrylic chloride or acryloyl chloride is added into the mixed solution, the reaction temperature is 0-85 DEG C, and the reaction time is 0.5-10h; then, the precipitate is filtered, and vacuum extraction is carried out on the obtained filter liquor to remove solvent, so that acrylic acid or methacrylic acid vinsol ester can be obtained; the mass of the non-proton transfer solvent is 100-500% of that of the vinsol; the molal weight of the methacrylic chloride or the acryloyl chloride is 100-500% of that of hydroxide radical of the vinsol containing hydroxide radical functional groups; the dosage of the acid-binding agent is 100-500% of the molal weight of the hydroxide radical of the vinsol containing hydroxide radical functional groups. The synthesized acrylic acid or methacrylic acid vinsol ester can be used for having free radical polymerization reaction, can be applied to the fields such as paint, adhesive, printing ink, paper making, etc. The method has high technical efficiency and good stability of the product.

The invention belongs to the technical field of high polymer materials, and relates to a sensible hydrogel, in particular to a hydrogel with pH sensibility and temperature sensibility and a preparation method thereof. The preparation method comprises the following steps: synthesizing hydroxy propyl cellulose and acrylic acid or acryloyl chloride into acrylic acid cellulose ester and copolymerizing the prepared acrylic acid cellulose ester and acrylic acid monomer to form the hydrogel. The hydrogel comprises hydroxy propyl cellulose chain segment with pH sensibility and temperature sensibility and acrylic acid chain segment with pH sensibility, and meanwhile, the hydrogel has pH sensibility, temperature sensibility and degradability and flexible responsiveness to the pH, can rapidly generate volume expansion or contraction, and has favorable mechanical property, good intellectuality and easy and feasible synthetic method, and the temperature sensibility is influenced by the pH value of the solution.

The invention discloses a phosphorous and nitrogenous UV-cured flame retardant and a preparation method thereof. According to the invention, phosphorus and nitrogen compound precursor with high phosphorus content is synthesized by using raw materials of alcamines compound, aldehydes compound, and dialkyl phosphite through Kabachnik-Fields reaction; a light-cured monomer containing phosphorus and nitrogen elements is prepared through substitution / esterification reaction of the precursor with (methyl) acryloyl chloride or (methyl) propenoic acid by utilizing active hydroxy of the precursor; the monomer is used as reaction type flame retardant to be applied to light-cured resin matrix, and can curve rapidly with matrix under UV lighting to form a flame-retarded light-cured material which not only has good flame retardant property, but also can reduce the transfer and loss of the flame retardant in the using process. Compared with a conventional additive flame retardant, the compatibility of the flame retardant and the macromolecule matrix is also increased, and the duration of the flame retardant property of the material can be guaranteed.

The invention provides a preparation method of a phase change monomer with double-bond end groups, which comprises the following steps of: in an ice water bath, dissolving PEG (Polyethane Glycol MW2000-10000) in dichloromethane, and then adding an acid binding agent (triethylamine or N,N-dimethylacetylamide) and acryloyl chloride; reacting at a temperature of 25-35 DEG C for 4-8h under the protection of nitrogen; adding a precipitant (n-hexane or diethyl ether) in reacting liquid in the ice water bath, settling for 10-15 minutes and leaching to obtain a finished product, wherein the molar ratio of the PEG to the acryloyl chloride is 1:(1-3), the molar ratio of the PEG to the acid binding agent is 1:(1-3), and the molar ratio of the PEG to the dichloromethane is 1:(0.312-0.546). The monomer has high activity and is easy to carry out copolymerization or grafting reaction with other monomers or polymers to prepare solid-solid phase change materials. The monomer has higher phase change enthalpy (163.21J / g), proper phase change temperature (46.53 DEG C) and higher thermal tolerance (320 DEG C). The preparation technology is simple, and the production cost is low.

The invention relates to a preparation method of a pectinate high-polymer phase-change energy storage material, which comprises the following steps: (1) in an ice water bath, after dissolving polyethylene glycol monomethyl ether in dichloromethane, adding an acid binding agent and acryloyl chloride, heating to 35-40 DEG C, and reacting in a nitrogen atmosphere for 6-8 hours; (2) in the ice water bath, adding a precipitant into the reaction solution, standing for 10-15 minutes, and carrying out vacuum filtration to obtain the acrylate polyethylene glycol monoester; and (3) dissolving the acrylate polyethylene glycol monoester and acrylamide monomers in a solvent, adding an initiator, heating to 70-85 DEG C, and reacting for 30-120 minutes to obtain the phase-change energy storage material with pectinate molecular chain shape. The phase-change material prepared by the method provided by the invention can flow in the form of a melt in the hot working process, and the pectinate molecular chain shape can reduce the plastification action on the base; and the invention has the advantages of simple preparation technique and low production cost.

The invention relates to an anti-shearing polymer and a preparation method thereof. The polymer is a copolymer composed of acrylic amide, sodium acrylate, hydrophobic monomer dimethyl allyl-N-alkyl ammonium chloride and a functionalized framework monomer. The average molecular weight of the copolymer is 6 million. The preparation method comprises the following steps of: (1) respectively dissolving a polyamide-amide macromolecular framework monomer and maleic anhydride (or acryloyl chloride and acrylic anhydride) into dimethyl sulfoxide; slowly dropwise adding a framework monomer solution intoa maleic anhydride solution; introducing nitrogen and placing the system into an ice salt bath; when the pH (Potential of Hydrogen) value of a reaction solution is 4-5, stopping dropwise adding the framework monomer solution; and utilizing chloroform to repeatedly precipitate to obtain the functionalized framework monomer; and (2) carrying out free radical water solution polymerization on the acrylic amide, acrylic acid, the hydrophobic monomer and the functionalized framework monomer. The anti-shearing polymer and the preparation method thereof have the advantages of reliable principle and convenience for operation; and the synthesized polymer still has good tackifying capability under high-temperature, high-salinity and strong shearing effects.

The invention discloses a synthesis method of ibrutinib. The method uses Suzuki coupling reaction and Kumada coupling reaction, does not need to separate the intermediate, obtains the intermediate (9) at high yield by a one-pot process, and uses mixed anhydrides instead of acryloyl chloride. The technique utilizes cheap 4-halodianisole as the initial raw material, adopts Suzuki coupling reaction and Kumada coupling reaction, and uses the one-pot process. The whole route is disclosed in the specification. The method can obtain the intermediate (9) (the chemical purity and optical purity are greater than or equal to 99%) at high yield without separating and purifying the intermediate, and avoids microwave, high temperature / high pressure and other specific reaction conditions; and the acrylic acid and mixed anhydrides generated by acyl chloride and sulfonyl chloride are used instead of the acryloyl chloride in the last step to avoid the amidation reaction of the intermediate (10) in multiple sites and reduce the generation of the byproduct, thereby obtaining the high-purity ibrutinib at high yield. The method has the advantages of short process route and lower cost, and is beneficial to the environment and suitable for industrialized scale-up production.

The invention relates to a high-molecular pH probe containing a rhodamine lactam group thereof. A synthetic method comprises the following steps: carrying out a reaction on rhodamine with hydroxyl on a site 2 and ethidene diamine to form lactam; carrying out a reaction on lactam and a matter containing an acryloyl chloride group to obtain a monomer containing the rhodamine group; finally, copolymerizing with the matter containing the acryloyl chloride group to synthesize the high-molecular pH fluorescent probe which has fluorescent response to H' specificity and can enter into viable cells.

The invention relates to a durable antibacterial acrylic water-based coating. The durable antibacterial acrylic water-based coating contains durable antibacterial water-based acrylic resin, a filling,a coloring agent, an aid and deionized water, wherein the durable antibacterial water-based acrylic resin is prepared through the reaction of acrylic soft monomers, acrylic hard monomers, Schiff baseacrylic monomers, acrylic acid, azodiisobutyronitrile, hydroxied acrylate monomers, an emulsifying agent and deionized water; and the Schiff base acrylic monomers are prepared through the reaction ofsalicylaldehyde, R-NH2 and acryloyl chloride. The prepared durable antibacterial acrylic water-based coating is integrated with the characteristics of water-based acrylic resin and a Schiff base structure and has good adhesive force and water tolerance, and the efficient and durable antibacterial property is achieved without adding an antibacterial agent.

The invention discloses loaded alpha-palladium diimine and a method for preparing hyperbranched polyethylene by catalyzing with same. The loaded alpha-palladium diimine is obtained by loading a loaded alpha-palladium diimine complex on an acryloyl chloride-modified magnesium chloride carrier and performing cationization, wherein the magnesium chloride carrier is a magnesium chloride / ethanol compound; and the alpha-palladium diimine complex has a structure shown as a formula (I). In the invention, the alpha-palladium diimine complex is loaded on the acryloyl chloride-modified magnesium chloride / alcohol compound carrier under the actin of a chemical bond, so that the influence of a functional group on the carrier surface on the active center is lowered, and the catalytic activity is higher than those of corresponding homogeneous phase catalysts; and moreover, the carrier and the catalyst have high bonding strength under the action of a valence bond, so that the active center can be effectively prevented from falling easily in the polymerizing process. The loaded alpha-palladium diimine can be taken as a catalyst for use in preparation of hyperbranched polyethylene, and has high catalyst activity; and the formula (I) is shown in the specifications.

The present invention discloses a kind of 1,3-aryl substituted pyrazoline whose delta-position contains ester group and its liquid phase synthesis method. In the organic solvent, in the presence of alkali the substituted acryloyl chlorine is coupled on the soluble resin, under the action of organic alkali the isoequivalent aromatic aldehyde and aromatic hydrazine hydrochloride are mixed to obtain the correspondent hydrazone, then the substituted acrylic ester loaded by soluble resin and oxidant are added, and the above-mentioned materials are undergone the ring-forming reaction of one-pot method so as to obtain the 1,3-aryl substituted pyrazoline whose delta-position contains ester group which is loaded on the resin. In the alcohol solvent and under the catalysis of correspondent alcohol sodium the pyrazoline can be separated from soluble resin so as to obtain the invented product with high yield rate and high purity. It can be developed into medicine, pesticide and light sensitive material.

The invention provides a decorative type styrene-acrylic bromine carbon latex fire-retardant coatings and preparation method thereof. The induction of flameretardant element bromine and synthesis of intrinsic flamertardant polymer resin can increase ageing effect and flame retardant property of fire-retardant coatings, and conquer the defects of fireretardant system of addition type fire-retardant coatings such as effusion, movement and volatilization. The phenol is used as raw material to produce tribromo phenol in the present of sodium bromate and sodium bromide, furthermore the tribromo phenol reacts with acryloyl chloride to obtain acrylic 2,4,6-tribromo phenyl ester. The styrene-acrylic bromine carbon latex is produced through polymerizing the acrylic 2,4,6-tribromo phenyl ester with butyl acrylate, methyl methacrylate, styrene and acrylic acid by free radical. Finally the decorative type styrene-acrylic bromine carbon latex fire-retardant coatings can be produced by using styrene-acrylic bromine carbon latex as base material and mixing the ammonium polyphosphate, melamine, dipentaerythritol, molybdenum hemitrioxide, antimony oxide, zinc borate, boron-moisten soil and titanium white powder.

The invention relates to a polymeric photoinitiator and a preparation method thereof. The structural formula of the polymeric photoinitiator is shown in the specification. The method comprises the following steps: reacting a hydroxyl-containing benzophenone derivative, paraformaldehyde and diglycolamine which serve as raw materials to synthesize red liquid (BZOH) through a Mannich reaction; and reacting BZOH with acryloyl chloride to generate the polymeric photoinitiator (BZOA). The macromolecule initiator simultaneously contains benzophenone and tertiary amine, and the efficiency of generating reactive species through photosensitive decomposition is improved. Because the initiator contains the benzoxazine structure and unsaturated double bonds, the compatibility with an initiating system is improved, the surface migration of the photoinitiator is reduced, and the photoinitiator can serve as a monomer for synthesizing macromolecules and is widely applied to the fields of ultraviolet light polymerization and the like. R1 and R2 are mutually independent -H, -CH3, -OH or -CH2Cl, wherein at least one substituent group exists at the ortho-position in the hydroxyl-containing benzophenone derivative.

The present invention relates to fluorine and silicon containing copolymer resin and paint. The composition includes fluorinated compound in 1-30 wt%, silane 2-8 wt% and alkenyl containing compound 62-97 wt%. The fluorinated compound is acrylic fluoro resin obtained through the reaction of fluorinated alcohol and acryloyl chloride or acrylic anhydride; the silane is one containing alkenyl group or containing carbon functional group with oxygen atom; and the alkenyl containing compound methacrylic acid, methacrylate, vinyl carboxylate and alkenyl containing benzene compound. The present invention has the advantages of fluorinated acrylic acid copolymer and silicon containing acrylate copolymer paint and the paint is excellent single component paint.

A preparation method of light / pH-sensitive amphiphilic azobenzene polymer micelles belongs to a field of functional polymer materials. The method comprises performing a radical polymerization for polymerizable monomer acrylic acid chloride to synthesize polypropylene chloride, using m-trifluoromethylaniline and phenol as raw materials to prepare m-trifluoromethylphenol containing azo groups, reacting the m-trifluoromethylphenol with 2-bromoethanol to synthesize 3-trifluoromethyl-4-ethanol oxygroup azobenzene, grafting the azo groups to the polypropylene chloride through an esterification reaction, hydrolyzing to obtain the amphiphilic polymer simultaneously containing the azo groups and carboxyl, and preparing the polymer into light / pH-sensitive polymer micelles through a micellization process. The polymer micelles are stable under a room temperature, and can be loaded with Nile red and other hydrophobic molecules; and the morphology of the micelles can be changed through ultraviolet irradiation and pH value adjusting, so that the loaded molecules can be released from the micelle. The polymer micelle not only has light responsiveness, but also has pH responsiveness, and has wide application prospect in fields of drug controlled release.

The invention discloses an antibiotic environmentally-friendly film and a production method thereof. The antibiotic environmentally-friendly film sequentially comprises a PET layer, an antibiotic layer, a PE layer and a sterilization coating layer from inside to outside, wherein the antibiotic layer is produced from polylactic acid, hydroxypropyl acrylate, acryloyl chloride, trifluoropropylmethyldichlorosilane, vinyltriisopropoxysilane, hydroxypropyl methyl cellulose, chitosan, eugenol, polyvinyl alcohol, an emulsifier, an initiator and deionized water, and the sterilization coating layer is produced from ethanol, polyethylene glycol, deionized water, cinnamaldehyde, beta-cyclodextrin, a titanate coupling agent, nanometer titanium dioxide, organosilicone resin, a dispersant and an antifoaming agent. The antibiotic environmentally-friendly film produced in the invention has the advantages of good sterilization and antivirus effects, good durability, long service life and no pollution to environment.

The invention discloses a preparation method of low molecular weight polyacrylic ester acrylic ester for photo-curing, belonging to the field of photo-curing low polymers. The lower polymer has the advantages of low molecular weight, low dispersibility, low viscosity, uniform structure and excellent property after being cured and can be used for photo-curing main body resin. The low polymer is synthesized by a two-step method and consists of a main chain and a branch chain, wherein the main chain is a pure carbon-carbon bond and is prepared by acrylic ester double-bond copolymerization. A polymerization monomer consists of (methyl) alkyl acrylate and functional monomers. The branch chain is prepared by a condensation reaction of functional groups; and a reaction product of a (methyl) acrylic ester copolymer in the first step carries the functional groups capable of further reaction, and functional monomers with light reactivity are grafted in the reaction product, wherein the functional monomers can be (methyl) acrylic acid, acryloyl chloride and the like. The invention realizes the preparation of the lower polymers with low molecular weight by using methods of adding a chain transfer agent and controlling the mixture ratio of the monomers and the dosage of initiators, is simple and convenient to operate and easy to industrialized production and has broad application prospect.

The invention discloses a modified hydrogel material used for 3D printing and application of the same to drug loading, belonging to the technical field of 3D printing materials. The modified hydrogel material is prepared through the following steps: adding a hydrogel material, acryloyl chloride and triethylamine into a solvent, carrying out a reaction in an ice bath for 12 h and then carrying out a reaction at normal temperature for 12 h; and washing a reaction product with a saturated sodium bicarbonate solution and then carrying out rotary evaporation so as to obtain the modified hydrogel material. The modified hydrogel is of a long-chain structure and has an active chemical group at its tail end; and as a photopolymerization initiator is added into the aqueous solution of the modified hydrogel, a crosslinking reaction occurs under the illumination of light with a wavelength of 365 nm, so rapid shaping of the material is realized. The modified hydrogel material prepared by using 3D printing technology and used for drug loading can be subjected to injection and printing at normal temperature without extra high-temperature apparatuses, low-temperature apparatuses or the like; and the material is easy to shape, fast in gelating speed, excellent in mechanical properties and beneficial for loading and effective release of different medicine molecules.

The invention discloses biodegradable temperature response hydrogel and a preparation method thereof. The method comprises the following steps of: (1) reacting terminal hydroxyl group of polycaprolactone dihydric alcohol with crylic acid (or methacrylic acid) to prepare polycaprolactone macromolecule cross-linking agent; (2) reacting singe terminal hydroxyl group of polyethylene glycol monomethylether and acryloyl chloride (or methacryloylchloride) to prepare a polyethylene glycol monomethyl ether macromolecule monomer; and (3) copolymerizing the polycaprolactone macromolecule cross-linking agent, the polyethylene glycol monomethyl ether macromolecule monomer and N-isopropylamide according to a certain ratio to obtain the biodegradable temperature response hydrogel. Compared with the traditional hydrogel, the hydrogel disclosed by the invention has the advantages of being rapid in response speed, good in mechanical strength, biodegradable and good in biocompatibility; therefore, the hydrogel is hopeful to be applied in the drug slow release field.

The invention relates to a preparation method of a pectinate high-polymer phase-change energy storage material, which comprises the following steps: (1) in an ice water bath, after dissolving polyethylene glycol monomethyl ether in dichloromethane, adding an acid binding agent and acryloyl chloride, heating to 35-40 DEG C, and reacting in a nitrogen atmosphere for 6-8 hours; (2) in the ice water bath, adding a precipitant into the reaction solution, standing for 10-15 minutes, and carrying out vacuum filtration to obtain the acrylate polyethylene glycol monoester; and (3) dissolving the acrylate polyethylene glycol monoester and acrylamide monomers in a solvent, adding an initiator, heating to 70-85 DEG C, and reacting for 30-120 minutes to obtain the phase-change energy storage material with pectinate molecular chain shape. The phase-change material prepared by the method provided by the invention can flow in the form of a melt in the hot working process, and the pectinate molecular chain shape can reduce the plastification action on the base; and the invention has the advantages of simple preparation technique and low production cost.