45 results about "Anhydrous Zinc Acetate" patented technology

The invention discloses a preparation method of a three-dimensional flower-like zinc oxide nanometer material and an obtained product. The method comprises the following steps: mixing anhydrous zinc acetate and ethylene glycol to obtain a transparent solution, adding a mixture of lauryl amine and oleic acid into the transparent solution, and uniformly mixing so as to obtain a precursor solution; raising the temperature of the precursor solution to be 130-140 DEG C under inert gas shielding so as to carry out a reflux reaction, performing centrifugal separation and washing after reaction completion, thereby obtaining the zinc oxide nanometer material, wherein the zinc oxide nanometer material is in the shape of a three-dimensional flower. The process disclosed by the invention is simple and convenient in process flow and short in reaction time, and the obtained product has the flower shape, looks like half a calliandra flower, is controllable in morphology and adjustable in size, has excellent application prospects in the fields of new energy materials and sensing and can serve as an additive of a high-end sun and skin care product.

The invention discloses a preparation method of a high-transparency photoluminescence zinc oxide and polyethylene composite coating, and belongs to the technical field of functional thin film materials. The preparation method comprises the following steps: after mechanical stirring and mixing anhydrous zinc acetate and polyethylene at a certain mass ratio, manufacturing an evaporation target material through mold pressing; then, putting the manufactured evaporation target material and a polished monocrystalline silicon and quartz glass substrate which is cleaned in advance into a vacuum room;after vacuum pumping, preparing a zinc acetate and polyethylene composite coating by adopting a pulsed laser auxiliary low-energy electron beam evaporation device; and subjecting the prepared sample to annealing treatment in a muffle furnace, so that the zinc oxide and polyethylene composite coating can be obtained. The zinc oxide and polyethylene composite coating prepared according to the preparation method has relatively strong ultraviolet light emission and weak blue light emission characteristics; and as an organic and inorganic composite coating, the zinc oxide and polyethylene compositecoating can be applied to high-performance ultraviolet detectors and photoelectric devices.

The invention belongs to the preparation of green reaction media and application, and relates to a supported ionic liquid catalyst and preparation and applications thereof. The catalyst consists of anhydrous zinc acetate and ionic liquid with the mass ratio of 0.1-1:1. The supported ionic liquid catalyst is applied in the carbonilino methoxylation reaction of and easy to be prepared; and the catalytic activity is high, the highest yield of N-phenyl carbamate can reach 98.9 percent, the reaction product can be separated from reaction liquid after simple distillation and extraction, and the recycled ionic liquid can be recycled.

A method for preparing a sheet zinc oxide relates to a zinc oxide, in particular to a method for preparing a sheet zinc oxide nano material with a hierarchical structure. The sheet structure has higher sensitivity to ethanol gas. The method for preparing the sheet zinc oxide with high gas sensitivity is provided. Acetic anhydride is dispersed into glycerol, and then put in a long quartz tube, wherein, the ratio of the mass of the acetic anhydride to the volume of the glycerin is less than 1 / 10; the long quartz tube is put in a tubular furnace for heating and then taken out for cooling to room temperature, then the quartz tube is washed with water, centrifuged and dried to obtain a sheet zinc glycerol precursor which is heated to obtain the sheet zinc oxide. The method has the advantages of wide raw material resources and low price, simple synthesis, simple and convenient operations without any expensive equipment, low-temperature synthesis, low energy consumption and high yield, no use of organic solvents which seriously affect the environment, and no toxic gas during the synthetic process and the method is suitable for large-scale production.

The invention discloses tetrahedral zinc oxide single-crystal particles and a preparation method thereof. The preparation method comprises the steps that anhydrous zinc acetate and octanol are mixed and are stirred evenly, a mixture of an ethyl alcohol stearate solution and lauryl amine is added into the mixture, and even mixing and stirring are performed to obtain a transparent solution. The transparent solution is heated to 140-145 DEG C under gas protection, and reflux reaction is performed at the temperature; after reaction is completed, centrifugal separation and washing are performed to obtain the tetrahedral zinc oxide single-crystal particles. The method is simple and easy in technological process, the reaction time is shorter, the obtained product has tetrahedral morphology, is simple in morphology and controllable in size, has the good application prospect in the fields of new energy resources and sensing and can also serve as an additive for high-end sunscreen skin care products.

The invention discloses a di-pyrene modified perylene bisimide derivative fluorescent probe and a synthesis method and application thereof, and belongs to the technical field of protein detection. The preparation of the fluorescent probe comprises the following steps that in a protective atmosphere, 1-methyl-2-pyrrolidinone solution of a pyrene sulfonyl derivative is added into a 1-methyl-2-pyrrolidinone solution of perylene; then, anhydrous zinc acetate is added to obtain a mixed solution; next, the mixed solution is stirred; heating reflux is performed for 10 to 15h at 150 to 200 DEG C; after the reaction liquid obtained after the reflux is cooled to the room temperature, filtering is performed to obtain filter liquid; the filter liquid is subjected to acid washing; precipitates occur; suction filtration is performed; filter cake is obtained; the filter cake is washed and dried to obtain the di-pyrene modified perylene bisimide derivative fluorescent probe. The fluorescent probe provided by the invention has the advantages that the chemical stability is high; the response speed is high; the sensitivity is high; the discrimination performance is good; the sample consumption quantity is small; the data collection is simple, and the like. The instant and on-line detection of the protein can be realized. The fluorescent probe provided by the invention can be used for respectively realizing the distinguished detection of various proteins.