12 results about "ON-glycerol" patented technology

The invention discloses a flexible glass cutting fluid and a preparation method thereof, and the preparation method comprises the following steps: S1, adding cellobiose into DMF, then adding chloroacetic anhydride and pyridine, and carrying out a stirring reaction to obtain an intermediate; s2, adding the intermediate into DMF (Dimethyl Formamide), and then carrying out constant-temperature reaction on glycerol monocaprylate, 2-(2-hydroxyphenyl) benzothiazole and triethylamine to obtain a modifier; s3, uniformly mixing a modifier, sodium dioctyl sulfosuccinate and a polyoxyethylene polyoxypropylene block copolymer, so as to obtain a composite surfactant; s4, adding the composite surfactant, the propylene glycol, the defoaming agent, the sterilizing agent and the triethanolamine into the water, and uniformly stirring to obtain the cleaning agent. According to the prepared cutting fluid, the protection effect on a flexible glass base material and a surface functional layer of the flexible glass base material is remarkably improved while the excellent wettability is kept, microcrack generation and surface damage in the cutting process are reduced, and the cutting fluid is particularly suitable for precise glass processing of flexible display devices.

The invention discloses a glycerol residue recycling process and a glycerol residue recycling treatment system, glycerol residue is diluted and then filtered to remove impurities, calcium oxide and sodium metaaluminate are added for reaction to generate Friedel's salt for recycling, the pH of filtrate is adjusted, sodium carbonate is added to generate calcium carbonate for recycling, and the glycerol residue is recycled. The method comprises the following steps: carrying out fine separation on glycerol and chlorine salt in glycerol residues, then carrying out microfiltration to remove glue, carrying out ultrafiltration separation on high-polymerization-degree polyglycerol for recycling, and carrying out nanofiltration separation on low-polymerization-degree polyglycerol for recycling, so as to finally obtain a glycerol solution for recycling. Inorganic salt is prepared into a heavy metal capturing agent, the heavy metal capturing agent, refined calcium carbonate and glycerol are prepared into a water treatment carbon source, low-polymerization-degree polyglycerol is prepared into refined polyglycerol, high-polymerization-degree polyglycerol is prepared into a liquid cement grinding aid, fine recycling of resources is achieved, flammable and explosive solvents are not used in the treatment process, and safety is high.

The invention relates to the technical field of biological medicine, in particular to application of an AQP3 inhibitor DFP00173 in tumor treatment. The application further comprises the following steps: (1) blocking the absorption and utilization of the Treg cells on glycerol or reducing glycerol metabolism in the Treg cells; (2) reducing the number of Treg cells in the tumor; and (3) preparing a product for treating tumors or assisting in treating tumors. The invention provides an inhibitor DFP00173 of glycerol channel protein AQP3 which is highly expressed on Treg cells, and the inhibitor DFP00173 can be used for effectively blocking the absorption and utilization of the Treg cells on glycerol and reducing the metabolic pathway of glycerol in the Treg cells; the number of Treg cells in a tumor is reduced by injecting DFP00173, and a stronger anti-tumor effect is shown on a solid tumor.

The present invention relates to a composition based on a polyester of glycerol and an aliphatic monomer selected from a dicarboxylic acid and a diester of a dicarboxylic acid; of a cyclic polycarboxylic anhydride A, the cyclic polycarboxylic anhydride A comprising at least two cyclic carboxylic anhydride groups, and not comprising a linear carboxylic anhydride function; and of at least one leachable ingredient; and its preparation process.

The invention belongs to the technical field of glycerol triacetate storage devices, and particularly relates to a glycerol triacetate storage barrel with a self-cooling function, which comprises a main barrel body, two first supporting blocks are fixedly arranged in the main barrel body, a first auxiliary barrel body is placed on the two first supporting blocks, and the first auxiliary barrel body is in sliding connection with the main barrel body; and the upper side of the first auxiliary barrel body penetrates through the main barrel body, two second supporting blocks are fixedly connected into the first auxiliary barrel body, a second auxiliary barrel body is placed on the two second supporting blocks, and the second auxiliary barrel body is slidably connected with the first auxiliary barrel body. According to the storage device, height self-regulation can be conducted according to the amount of stored glycerol triacetate, so that the storage device can adapt to transport carriages of different heights, meanwhile, in high-temperature weather in summer, heat dissipation and temperature control can be conducted on glycerol triacetate automatically, and the transport quality of glycerol triacetate is guaranteed.

The invention belongs to the technical field of catalyst preparation, and relates to a bowl-shaped binary PtCo bimetallic catalyst, in particular to a preparation method and application of bowl-shaped binary PtCo bimetallic. The preparation method comprises the following steps: uniformly mixing precursors of two metals in an n-caprylic acid solution containing molybdenum hexacarbonyl by adopting a one-step synthesis method, carrying out an oil bath reaction for a period of time, separating precipitates, and sequentially washing and drying to obtain the bowl-shaped binary bimetallic catalyst. The preparation method disclosed by the invention is simple, few in steps and simple and convenient to operate. The prepared bowl-shaped binary PtCo bimetallic catalyst has excellent catalytic activity and stability in the aspect of electro-catalysis glycerol oxidation in an alkali environment.

The application discloses an ionic compound, a demulsifier and a preparation method and application thereof. The preparation method of the ionic compound comprises the following steps: performing an opening ring reaction on glycerol triglycidyl ether and N,N-dibutyl ethanolamine to obtain an opening ring product; and performing an ionization reaction on the opening ring product and a halogenated hydrocarbon in a solvent A. The prepared ionic compound is used as the demulsifier for crude oil emulsion, and has the characteristics of high demulsification efficiency, low demulsification temperature and fast demulsification rate. In addition, the preparation method is simple in steps, low in raw material cost and suitable for industrial production.

The invention relates to the technical field of organic synthesis, and particularly discloses a method for synthesizing ethylhexylglycerin by taking glycerin as a raw material. The method comprises the following steps: reacting glycerol with an acetone substance under the action of an acid catalyst at normal temperature to obtain a glycerol upper protection product; under the protection of inert gas at the temperature of 50-130 DEG C, enabling the protection product on the glycerol to react with isooctanol under the action of a basic catalyst; after the reaction is finished, adding water, stirring and layering, adding an oil phase into a dilute acid aqueous solution, heating to remove a protecting group, and separating a water phase to obtain an ethylhexylglycerin crude product and isooctanol; and performing post-treatment on the product obtained in the step S3 to obtain ethylhexylglycerin. According to the method, glycerin and isooctanol are used as reaction raw materials, all the reaction raw materials can be bio-based, the obtained product is also bio-based, and the synthesis process is simple in step, easy to operate, few in by-product, high in glycerin conversion rate, high in yield of the obtained product and suitable for large-scale industrial production.

The invention relates to an ester copolymer, a preparation method thereof and an embolism product. The ester copolymer is in a semi-solid form; the ester copolymer is obtained by carrying out polymerization reaction on glycerol, dicarboxylic acid and a monomer, and the monomer comprises lactic acid and / or caprolactone. The ester copolymer provided by the invention shows a semi-solid character. The ester copolymer cannot be cured or dissolved at room temperature and under the in-vivo condition of 37 DEG C, convenience and feasibility are provided for clinical use, and the characteristics of easy use and delivery can be achieved especially at the positions, which are not easy to operate, in blood vessels, deep wounds and the like.

To provide a method for producing glycerol carbonate (meth)acrylate, and curable compositions containing glycerol carbonate (meth)acrylate.SOLUTION: Glycerol carbonate methacrylate may be produced by reacting glycerol monomethacrylate with a carbonate such as a dialkyl carbonate in the presence of a catalyst, and may be combined with an actinic radiation-curable oligomer, such as a (meth)acrylate-functionalized oligomer, and optionally other components to provide compositions capable of being cured, e.g., by exposure to actinic radiation, to obtain polymeric materials, such as 3D printed articles. The glycerol carbonate methacrylate reduces the viscosity of the composition, which may in the absence of the glycerol carbonate methacrylate be too high for the curable composition to be readily processed at room temperature, but additionally can impart a variety of other useful attributes to the curable compositions and cured products derived therefrom.SELECTED DRAWING: None

The invention belongs to the technical field of sugar alcohol preparation, and relates to a preparation method of D-psicose, which comprises the following steps: sequentially carrying out activation, seed liquid culture and fermentation liquid culture treatment on glycerol tube strains of bacillus subtilis to obtain fermentation liquid; and directly pressing the obtained fermentation liquor with the volume ratio of 0.5-1.0% into an isomerization tank, and carrying out isomerization reaction on the fermentation liquor and a fructose solution to generate the required D-psicose. Wherein the fermentation culture medium comprises the following components: 30-60 g / L of glycerol, 30-50 g / L of soy peptone, 15-35 g / L of corn steep liquor dry powder, 0.5-3.0 g / L of ammonium citrate, 10-20 g / L of dipotassium phosphate, 1-5 g / L of monopotassium phosphate, 0.5-1.0 g / L of magnesium sulfate and 0.1-0.3 g / L of calcium chloride. According to the method disclosed by the invention, the fermentation liquor containing the D-psicose 3-epimerase is produced by utilizing the bacillus subtilis, and the fermentation liquor is directly pressed into the isomerization tank to carry out isomerization reaction to produce the D-psicose, so that not only is the fermentation time shortened, but also the process flow is simplified, and the production cost is reduced.

The invention discloses an ionic compound, a demulsifier as well as a preparation method and application of the demulsifier. The preparation method of the ionic compound comprises the following steps: carrying out ring-opening reaction on glycerol triglycidyl ether and N, N-dibutyl ethanolamine to obtain a ring-opening product; and carrying out ionization reaction on the ring-opening product and halogenated hydrocarbon in a solvent A. The prepared ionic compound is used as a demulsifier for a crude oil emulsion, and has the characteristics of high demulsification efficiency, low demulsification temperature and high demulsification rate; in addition, the preparation method provided by the invention is simple in steps, low in raw material cost and suitable for industrial production.