104 results about "Iodine molecule" patented technology

The invention relates to a method for preparing an antibacterial film of a quaternarized chitosan iodine complex. The method comprises the following steps: inserting quaternary ammonium salt on the hydroxyl group or amino group of a chitosan structure unit to prepare a quaternarized chitosan derivative; soaking a blend film of the quaternarized chitosan derivative and gelatin or poval into a simple substance iodine solution for 4-6 hours to obtain the antibacterial film of the quaternarized chitosan/gelatin or poval iodine complex, or directly preparing a quaternary ammonium salt chitosan iodine complex from the quaternarized chitosan derivative and simple substance iodine, and then mixing the quaternary ammonium salt chitosan iodine complex with gelatin or poval to prepare the blend antibacterial film containing iodine. By using the method, the water solubility and the biological activity of chitosan can be improved; simple substance iodine is stabilized and complexed by utilizing the affinity of a quaternary ammonium salt group and an iodine molecule; according to the different positions of a human body, the prepared antibacterial film can be compounded with other materials; a chitosan base has hemostasis, antiphlogosis and tissue repair functions on human body wound, can reduce the stimulation of iodine on the wound and controls the release of iodine, and the double effects of the chitosan base and iodine provide an ideal curing environment for a wound surface.

The invention belongs to the field of solar cells, and particularly relates to a method for preparing a perovskite solar cell by steam assistance. The method comprises the steps of evaporating an electron transmission layer on a substrate; evaporating a PbI2 layer on the electron transmission layer; dissolving FAI and I2 in isopropyl alcohol, placing the isopropyl alcohol opposite to the PbI2 layer after another one piece of glass is coated, heating in a vacuum environment so that FAI and iodine molecules are sublimed to a surface of the PbI2 plating layer and react to form a perovskite crystal, and obtaining a perovskite light absorption layer after annealing; and sequentially spin-coating a hole transmission layer and evaporating a metal counter electrode to prepare the perovskite solarcell. A continuous, uniform, compact and high-quality perovskite thin film can be obtained by slow phase reaction between a vapor phase and a solid phase and by a steam assistance method; and meanwhile, excessive amount of iodine is added and doped in the perovskite light absorption layer, thus, the proportion of Alpha-FAPbI3 with photosensitivity in perovskite is increased, the crystal defect concentration is reduced, and the photoelectric conversion efficiency of the cell is improved.

The invention discloses a liquid iodine disinfectant, a preparation method and a used container thereof. The liquid iodine disinfectant comprises iodide, an oxidant capable of oxidizing the iodide to generate iodine molecules, and a pH regulator used for regulating the mixture of the iodide and the oxidant to be acidic, the disinfectant consists of a preparation I containing the iodide and a preparation II containing the oxidant and the pH regulator, and the preparation I and the preparation II are both liquid. The liquid iodine disinfectant disclosed by the invention is good in stability, can be stored for a long time, has little skin irritation, can permeate fast and volatilize quickly, does not need deiodination, and is light in coloring, excellent in sterilization effect, and safe and convenient to use and carry. The liquid iodine disinfectant disclosed by the invention has broad spectrum bactericidal action and low irritation to the skin mucosa, so that the liquid iodine disinfectant can be applied to various skin diseases caused by bacteria, funguses and viruses.

To provide a method for producing a compound that enhances dispersibility of a pigment of respective colors in a water-insoluble solvent, as well as a pigment dispersant, and a pigment composition, a pigment dispersion and a toner having a good tinting power. A method for producing a compound, including the following:

(i): subjecting a polymerizable monomer forming a monomer unit represented by formula (1) to radical polymerization in the presence of a radical polymerization initiator and an iodine molecule to provide a polymer; and

(ii): binding a colorant to a terminal of a main chain of the polymer:

wherein

R₁ represents a hydrogen atom and an alkyl group, and

R₂ represents a phenyl group, a carboxyl group, an alkoxycarbonyl group or a carboxamide group.

The invention discloses a method for measuring an ocean inherent optical parameter by using a laser radar system. 532nm wavelength output is employed by the laser emitting system in the laser radar system, a receiving system is used to carry out signal receiving, received atmosphere and ocean scattering signals are divided into two paths according to 1:1 in a receiving system, one path is used as a reference channel, the other path goes through an iodine molecule absorption filter as a measurement channel. The photoelectric conversion of two paths of optical signals is realized through a photoelectric detector, and the signals are inputted to a processing system for processing computing via a signal collection system. According to the method, the iodine molecule absorption filter is used, the back scattering signal spectrum of a laser sea water body is considered, the separate measurement of the narrow linewidth suspended matter scattering and broadband water molecule scattering is realized, the spectral resolution characteristic is high, and the detection range of ocean information by the laser radar system is expanded.

The invention provides a sodium fluorescence Doppler laser radar and method for measuring the wind field and temperature of the atmosphere. According to the invention, part of the scattering signals of the atmosphere that are received by the sodium fluorescence Doppler laser radar are separated and permeate an iodine molecule absorption spectrometer, and the light intensity of the Rayleigh scattering signals of the atmosphere is detected by using the absorption lines at 589 nm of the iodine molecules so as to measure the wind velocity and temperature information of the atmosphere corresponding to the Rayleigh scattering signals of the atmosphere, such that the exploration height of the sodium fluorescence Doppler laser radar is expanded from the mesopause of the atmosphere to the stratosphere and the troposphere, which expands the exploration range of the sodium fluorescence Doppler laser radar to the atmosphere.

The invention discloses a gas-liquid mixed extraction iodine recovery technology. According to the invention, phosphate rock is soaked in sulfuric acid, and iodine-containing dilute phosphoric acid is obtained; an oxidizing agent is added into the dilute phosphoric acid, such that gas-phase iodine is obtained; the gas-phase iodine is subjected to a reaction with a reducing agent, such that iodine is precipitated. The invention is characterized in that: iodine-containing dilute phosphoric acid obtained by the reaction of phosphate rock and sulfuric acid and iodine-containing exhaust gas are simultaneously delivered into and sufficiently mixed in a gas-liquid mixed extraction integral iodine recovery apparatus; the oxidizing agent is added and a reaction is carried out, such that iodine molecules are obtained; the reducing agent is added under a condition of a controlled temperature, such that a concentrated iodine liquid is obtained; two-stage clarification, precipitation, filtration, and rectification purification are carried out, such that finished product iodine is obtained. The technology provided by the invention makes up for the defects of a method for extracting iodine from wastes produced in the process for producing phosphorus products from iodine-containing phosphorite. With the technology, iodine in iodine-containing dilute phosphoric acid and iodine-containing exhaust gas can be recovered simultaneously. Through two-stage clarification, defluoridation is realized, and floccule and impurities are removed, such that the purity of iodine is improved. The technology is also advantaged in simple technology, high recovery rate, and low economic cost. With the technology, iodine-containing exhaust gas can be fully utilized, and the pollution of tail-gas discharging to the environment can be reduced.

This invention relates to an organic iodine complex, in which iodine serves as coordination center and functional group-containing organics serve as chelating reagent. The functional groups can be amino and/or hydroxyl and/or carboxyl, and the representatives of hydroxyl- and carboxyl-containing organics are 2-hydroxy-4-methylthiobutanoic acid and 2-hydroxypropanoic acid, respectively. This invention also relates to a combination of organic iodine complex and its application in pharmacy. The combination comprises 0.3~40% organic iodine complex as active ingredient and one or more ingredients chosen from the following ones: natural aminoacyl iodine, solvent, surfactant, food additives, food and synthesized drugs. This combination can be used in preparation of drug against AIDS, white spot syndrome virus in penaeid shrimp, Taura syndrome virus; grass carp hemorrhage virus, stomatitis, pharyngitis, colpitis, tumor, digestive tract diseases in poultry, histomoniasis, coccidiosis, human digestive tract diseases and iodine deficiency diseases.

The invention discloses a liquid molecular iodine disinfectant, which comprises an iodide, an oxidant and an acidity pH regulator, wherein the oxidant can be used for oxidizing the iodide to generate iodine molecules, and the acidity pH regulator is used for regulating a mixture of the iodide and the oxidant to be acid. The disinfectant consists of a composition of a preparation 1 containing the iodide and the oxidant and a preparation 2 containing the acidity pH regulator; the preparation 1 and the preparation 2 are in a liquid state respectively; and the pH value of the preparation I is greater than 6.5. The liquid molecular iodine disinfectant disclosed by the invention not only is high in stability, can be stored for a long time, is light in irritation to skins, rapid in penetration and volatilization, light in coloring and obvious in sterilizing effect and does not need to be de-iodinated but also is safe and convenient in use and carrying. The liquid molecular iodine disinfectant disclosed by the invention has a broad-spectrum sterilizing effect and is light in irritation to skin mucosae and can be used for various skin diseases caused by bacteria, fungi and viruses.

The invention discloses a silver ion-doped azo conjugated microporous polymer, a preparation method and application, which belong to the technical field of polymer material preparation. Specifically,with 4-(1,2,2-tri(4-aminophenyl)vinyl)aniline and phloroglucinol as comonomers, under the catalysis of concentrated hydrochloric acid, coupling is carried out by diazo-coupling reaction, silver ions are then loaded, and thereby the silver ion-doped azo conjugated microporous polymer is prepared. The polymer prepared by the invention shows excellent adsorption capability on iodine molecules, moreover, the performance of the polymer is excellent in aspects such as detecting heavy metal ions Cu<2+>, Hg<2+>, Cr<3+> and Ni<2+>, and the polymer has potential application value in fields such as iodine adsorption and heavy metal ion detection.

The invention discloses iodine-loaded bioactive glass for wound care and application of the iodine-loaded bioactive glass. The properties that chitosan is not dissolved in an alkaline medium and formscondensation/precipitation when meeting an alkaline medium are utilized to obtain a chitosan microsphere template, and hollow bioactive glass is prepared from a compound containing various inorganicelements (silicon, calcium, sodium, phosphorus and the like) through a sol-gel-template method. The iodine-loaded bioactive glass is prepared by adopting a sealing temperature control sublimation andadsorption technology, and the composition has both bioactive glass particles and iodine molecules, can effectively promote healing of hard and soft tissue injuries of the human body, can also play along-lasting role of inhibiting/killing bacteria, has strong effects, low toxic and side effects and little immune inflammation response, and is convenient to store, carry and use.

A method for producing polymer particles includes a suspension step of suspending a first liquid mixture containing an oily olefin monomer, a radical polymerization initiator, and an iodine molecule in a second liquid mixture containing water and an iodide ion to prepare a suspension containing an oil droplet having the first liquid mixture; a synthesis step of synthesizing an iodine compound by allowing a radical generated by cleavage of the radical polymerization initiator to react with the iodine molecule in the oil droplet; and a polymerization step of polymerizing the oily olefin monomer in the oil droplet.

The invention discloses a solid molecular iodine disinfectant and a preparation method thereof. The disinfectant comprises an iodide, an oxidant capable of oxidizing the iodide into iodine molecules, and a pH regulator for regulating the mixture of the iodide and the oxidant to be acidic; the disinfectant consists of a preparation 1 containing the iodide and the oxidant and a preparation 2 containing the pH regulator; and the preparation 1 and the preparation 2 are in a solid state. The disinfectant is high in stability and remarkable in disinfection effect; and due to high water solubility of main agents and auxiliary materials, the disinfectant can be quickly dissolved in water and is safe and convenient to use and carry. Because the raw materials are nontoxic, the disinfectant can be used for soaking disinfection of skin and can also be used for treating various skin diseases caused by bacteria, fungi and viruses.

The invention belongs to the field of synthesis and application of organic functional materials, in particular to a synthesis method and application of an organic functional material formed through aself-assembly function based on citrazinic acid and cytosine. The method adopts the citrazinic acid and the cytosine as raw materials, and specifically comprises the steps that a certain proportion ofcitrazinic acid and cytosine solid are grinded; the grinded mixture is mixed with a certain proportion of an acetonitrile and water mixed solution to be subjected to ultrasound for several seconds and then naturally dried, and the organic functional material is obtained. The method has the advantages that the material synthesis method is simple and easy to operate, pi electrons enriched in the framework of the synthesized material and the larger pore diameter of the material enable the material to adsorb iodine molecules in air and an organic solvent, and a method for adsorbing radioactive iodine in nuclear waste pollution is provided.

The invention relates to a laser phase locking frequency stabilizing device based on an iodine molecule filter. The laser phase locking frequency stabilizing device comprises a single-frequency laser source, a microwave driver, a phase modulator, the iodine molecule filter, a positive lens, a photoelectric detector and a data processor. 532 nm light output by a single-frequency laser is subjected to electro-optic phase modulation, frequency error signals are formed on the data processor through the iodine molecule filter, the data processor feeds back voltage signals, by changing the cavity length of the single-frequency laser source, laser frequency is stabilized at the iodine molecule absorption valley bottom or peak frequency, and the device has the advantages of being compact in structure, simple in light path, low in light power requirement and high in frequency stabilizing accuracy.

The invention belongs to the field of medicinal preparations in medicine engineering and relates to an iodine/hydrophobic cyclodextrin clathrate and its preparation method and use. The iodine/hydrophobic cyclodextrin comprises iodine and hydrophobic cyclodextrin according to a mole ratio of 1: 0.5-2 and is prepared by a seal temperature control technology. The prepared iodine/hydrophobic cyclodextrin clathrate can effectively inhibit iodine volatilization and improve stability, prevent iodine irritation to skin mucous membrane and reduce iodine corrosivity. The iodine/hydrophobic cyclodextrin clathrate has small toxicity, high drug effects, is not dyed easily, can slowly release iodine molecules, has long action time, has very strong adsorption performances and can effectively adsorb a peculiar smell and toxic gas.

The invention discloses an application of iodine in preparation of a medicine for preventing and treating respiratory tract infectious diseases and a method for preparing iodine-containing aerosol with low particle size. According to the invention, iodine is dissolved in pure water and an oily solvent to respectively prepare two iodine solution atomizing agents, and the two iodine solution atomizing agents are atomized into iodine-containing aerosol by an atomizer to be inhaled into the respiratory tract, so that pathogens are quickly and efficiently killed, and the iodine-containing aerosol becomes the only specific medicine for treating respiratory virus infection lacking effective treatment medicines; and more effective and convenient treatment medicines are provided for infection of respiratory bacteria, mycoplasmas, fungi and the like. The method is mainly characterized in that iodine is prepared into a low-concentration iodine solution and atomized into iodine-containing aerosol, so that the density of iodine is greatly reduced, the irritation is greatly reduced, and iodine molecules enter the respiratory tract to kill pathogens; the iodine-containing aerosol with low particle size can reach pulmonary alveoli to directly screen and kill viruses in the pulmonary alveoli, so that critical and severe pulmonary infection patients can be quickly out of danger, and mild diseases can be quickly cured.

The invention belongs to the technical field of nuclear fuel post-treatment, and particularly relates to a device and method for continuously generating iodine vapor. The device for continuously generating the iodine vapor includes a U-shaped pipe (2), wherein one end of the U-shaped pipe is connected to a working gas input device, and the other end is used as a gas output end; two ends of the U-shaped pipe (2) face upwards, and a U-shaped section of the U-shaped pipe (2) is arranged in a heating device; and the U-shaped section is filled with a mixture composed of iodine powder and a porous material, and the mixture can generate the iodine vapor after being heated. The device and method provided by the invention solve the problem of agglomeration caused by interaction between iodine molecules due to a too high local iodine concentration during the production of iodine vapor, and can generate the continuous and stable iodine vapor and ensure the stable operation of a simulated iodine-containing tail gas experiment.

A method for producing polymer particles includes a preparation step for preparing a first oily liquid containing an oily olefin monomer, a radical polymerization initiator, and an iodine molecule; a synthesis step for obtaining a second oily liquid containing at least an iodine compound produced by a reaction between a radical generated by cleavage of the radical polymerization initiator and the iodine molecule in the first oily liquid; a suspension step for obtaining an oil droplet of the second oily liquid by suspending the second oily liquid in an aqueous solution containing an oxidizing agent, an acid, and a dispersant; and a polymerization step for polymerizing the oily olefin monomer in the oil droplet.

The invention relates to starch polyiodide and a preparation method and application thereof. The starch polyiodide is a polymer complex formed by the coordination of oxygen-containing groups in starch molecules with polyiodide molecules; the preparation method includes: (1), gelatinizing starch; (2), coordinating the gelatinized starch with iodine, iodides and a stabilizer to produce liquid starch polyiodide; (3), adding a precipitant to precipitate and separate the liquid starch polyiodide, filtering, and drying with filter cakes to obtain powdery starch polyiodide; (4), reusing filtrate. As a disinfectant, the starch polyiodide has the characteristics such as water solution controllability, high sterilizing efficiency, good stability, good safety and convenience of use, good degradability and low sterilizing cost and is a green new-generation disinfectant; by means of adding, spraying, impregnating, applying, washing or fumigating, the disinfectant may be used in disinfection of drinking water and aquaculture water, medical disinfection, environmental disinfection, vegetable and fruit disinfection, food preservation, mold prevention, plant disease prevention and treatment and the like.

The invention discloses a sum-frequency and modulation transfer spectrum-based 1,572nm frequency stabilization system apparatus which can be applied to CO<2> gas concentration detection laser radar. The frequency stabilization system comprises a 1,064nm laser, a 1,064nm beam splitter, 532nm frequency doubling crystal, a 532nm beam splitter, a 532nm electric-optical phase modulator, a 532nm first collimation lens, a 532nm polarized beam-splitting prism, a first iodine pool, a 532nm first collimation lens, a 532nm focusing lens, a 532nm photoelectric detector, a first frequency mixer, a first signal generator, a first electronic servo system, a 1,572nm laser, a 1,572nm beam splitter, a wavelength division multiplexer, 634nm sum-frequency crystal, a 634nm beam splitter, a 634nm electric-optical phase modulator, a 634nm first collimation lens, a 634nm polarized beam-splitting prism, a second iodine pool, a 634nm second collimation lens, a 634nm focusing lens, a 634nm photoelectric detector, a second frequency mixer, a second signal generator and a second electronic servo system. Direct utilization of a CO<2> long-absorption-pool frequency stabilization system is avoided, so that the size is reduced; and in addition, the iodine molecule fine absorption spectrum is narrower than CO<2> molecule absorption line, so that frequency stability is improved.

A method for producing polymer particles includes a preparation step for preparing a first oily liquid containing an oily olefin monomer, a radical polymerization initiator, and an iodine molecule, a synthesis step for obtaining a second oily liquid containing at least an iodine compound produced by a reaction between a radical generated by cleavage of the radical polymerization initiator and the iodine molecule in the first oily liquid, a suspension step for obtaining an oil droplet of the second oily liquid by suspending the second oily liquid in water, and a polymerization step for polymerizing the oily olefin monomer in the oil droplet.