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64results about How to "Not volatile" patented technology

Polymethoxy-terminated structured auxiliary agent and preparation method thereof, and high-transparency silicone rubber

The invention relates to the technical field of polymers, and discloses a polymethoxy-terminated structured assistant, a preparation method and high-transparency silicone rubber, the structured assistant comprises the following raw materials: methyltrimethoxysilane, a solvent, a silane coupling agent, a reactant and a terminator, the structured auxiliary agent is prepared from methyltrimethoxysilane as a main raw material through hydrolytic polycondensation reaction, the viscosity of the structured auxiliary agent is 2-20 cst, the structured auxiliary agent is not easy to volatilize, the flammable and explosive risk is low, the safety is high, the structured auxiliary agent is terminated by polymethoxy groups, the content is large, the activity is high, the surface of the white carbon black can be effectively modified, the dispersity of the white carbon black is improved, and the service life of the white carbon black is prolonged. The product obtained after the reaction of the structured auxiliary agent and white carbon black is methanol which is easy to remove, and the transparency of the silicone rubber can be remarkably improved.
Owner:ZHE JIANG ZHONG TIAN FU GUI CAI LIAO YOU XIAN GONG SI

Anti-scattering water-guided laser cutting fluid as well as preparation method and application thereof

The invention provides anti-scattering water-guided laser cutting fluid as well as a preparation method and application thereof. The anti-scattering water-guided laser cutting fluid comprises the following components in parts by weight: 0.1-1 part of an anti-scattering agent; 0.01 to 0.1 part of a foam discharging agent; 1-5 parts of a refractive index regulator; and 80-99 parts of ultrapure water. The anti-scattering agent is a polymer; the foam removing agent is one or more of hydroxymethyl cellulose, hydroxy propyl cellulose, sodium lignin sulfonate, potassium lignin sulfonate and naphthalene sulfonic acid formaldehyde condensate sodium salt; the refractive index regulator is an iodine-containing compound and / or a fluorine-containing compound. According to the anti-scattering water-guided laser cutting fluid, light beam scattering and energy loss in the water-guided laser cutting process can be remarkably reduced, and the cutting precision and efficiency are improved. The anti-scattering water-guided laser cutting fluid has very good application prospects and large-scale industrial popularization potential in the field of water-guided laser cutting.
Owner:DALIAN AOSHOU TECH CO LTD

Coaxial fibroin / cellulose aerogel fiber and preparation method thereof

The invention discloses a coaxial fibroin / cellulose aerogel fiber and a preparation method thereof. The preparation method comprises the following steps: adding cellulose into a first ion solution to obtain a cellulose solution; adding silk fibroin into the second ion solution to obtain a silk fibroin solution; adding the cellulose solution serving as a core layer spinning solution and the silk fibroin solution serving as a skin layer spinning solution into coaxial wet spinning equipment to extrude and form a coaxial fiber precursor, and performing solidification regeneration, freezing and drying to obtain the coaxial fibroin / cellulose aerogel fiber. According to the preparation method, silk fibroin and cellulose are dissolved in a 1-butyl-3-methylimidazole acetate ionic solution to obtain a spinning solution, the silk fibroin solution serves as a skin layer, the silk fibroin / cellulose aerogel fiber is prepared through coaxial wet spinning in a constant-temperature water bath, the preparation method is simple, large-batch production can be achieved, and the preparation method is suitable for industrial production. No harmful substances are added in the preparation process, no degradation-resistant substances are generated in the product, the product is biodegradable, the recycling rate is high, and the good effect is achieved in the aspect of environmental protection.
Owner:SUZHOU UNIV

Local external medicine composition for treating alopecia as well as preparation method and application thereof

The invention belongs to the field of medicine preparations, and particularly relates to a local external medicine composition for treating alopecia, the medicine composition comprises at least one active component, and the medicine composition comprises the following components in percentage by weight: 1-10% w / w of minoxidil or salt thereof, 0-50% w / w of propylene glycol, 1-50% w / w of ethanol and 10-50% w / w of C3-C10 ether solvent, the total dosage of the propylene glycol and the ethanol is less than or equal to 50% w / w, and the total dosage of the propylene glycol and the ethanol is less than or equal to 50% w / w. The pharmaceutical composition at least has the following excellent characteristics: good curative effect, high drug solubility, high patient efficiency, quick response, few adverse reactions, low scalp irritation, good stability, easy use, no greasy feeling after use, good drug permeability, high bioavailability, few use times, good patient compliance and the like.
Owner:SOLIPHARMA

Flame-retardant fireproof phenolic resin laminated board and preparation method thereof

The invention relates to the technical field of high polymer materials, and discloses a flame-retardant fireproof phenolic resin laminated board and a preparation method thereof.The preparation method comprises the steps that phenolic resin and absolute ethyl alcohol are mixed, then a paper-based material is subjected to infiltration treatment with the prepared mixed solution and dried, and prepreg is obtained; carrying out stacking hot press molding treatment on the prepreg to obtain a phenolic resin laminated board; and spraying and drying the flame-retardant liquid on the surface of the phenolic resin laminated board to obtain the flame-retardant fireproof phenolic resin laminated board. The phenolic resin laminated board disclosed by the invention has relatively good flame-retardant and fireproof effects.
Owner:SHANDONG SIDA IND & COMMERCIAL CO LTD

Method for extracting and recycling white oil in waste lithium battery diaphragm

The invention discloses a method for extracting and recycling white oil in waste lithium battery diaphragms, and relates to the technical field of lithium battery recycling. The method comprises the following steps: S1, adding crushed waste films and a white oil extraction agent into a closed system for extraction, and discharging an extraction mixed solution after the extraction is completed; s2, filtering the extraction mixed liquid discharged in the step S1, performing low-temperature evaporation on the liquid, condensing the evaporated extraction agent into a liquid state, recycling the liquid state to the step S1, and obtaining the white oil which is completely evaporated and is left at the bottom of the evaporator. According to the method, the high-boiling-point white oil extraction agent is adopted and is not prone to volatilization at the normal temperature, the recovery rate is higher, the extraction white oil and the extraction solvent are separated, recovered and extracted at the specific evaporation temperature and under the negative pressure through low-temperature evaporation, the extraction solvent is recovered through low-temperature evaporation, cyclic utilization of the extraction liquid can be achieved, and loss of the extraction agent is reduced.
Owner:CHANGZHOU YONGBAO GREEN ENERGY ENVIRONMENT CO LTD

A kind of artificial rail oiling trolley

The present invention discloses an artificial rail oiling trolley, which includes: a running device, a solid oil block box and an oil block pressure device. The running device can travel back and forth on the rail along the direction of the rail. The solid oil block box is installed on the running device. The solid oil block box is a tubular structure. One end of the solid oil block box is located outside the surface of the rail head that needs to be oiled. The oil block pressure device is arranged in the solid oil block box and can apply a certain pressure to the solid oil block so that the lower end of the solid oil block is close to the oiled surface of the rail head. The present invention adopts a solid oil block box to install the solid oil block oiling, which has a simple structure and low cost, and the oiling surface is easy to control and is not easy to pollute the wheel tread and the roadbed; for artificial oiling, it can be selected according to actual needs to oil the curved section and not oil the straight section.
Owner:CHINA RAILWAY FIRST GROUP CO LTD +1

Preparation method and application of amino diphosphinic acid

The invention belongs to the technical field of synthesis of extraction agents, and particularly relates to a preparation method and application of amido diphosphinic acid. The preparation method comprises the following steps: (1) mixing a solvent, primary amine, cyclohexylphosphinic acid and inorganic acid, and heating until the solution is clear and transparent; (2) adding a formaldehyde solution or paraformaldehyde into the clear and transparent solution for reaction; and (3) removing a water phase from the mixture obtained after the reaction in the step (2) is finished, dissolving jelly obtained after the water phase is removed by using dichloromethane, and carrying out washing, rotary evaporation and drying to obtain the amido diphosphinic acid.
Owner:UNIV OF JINAN

Anti-oxidation corrosion-resistant automobile air-inlet grille and electroplating process thereof

The invention relates to the technical field of automobile parts, and particularly discloses an anti-oxidation corrosion-resistant automobile air-inlet grille and an electroplating process thereof.The anti-oxidation corrosion-resistant automobile air-inlet grille is prepared from phenoxy-terminated siloxane modified polycarbonate, ABS resin, a modified LDHs antioxidant, a compatilizer ABS-g-MAH and a lubricant ethylene bis stearamide through melt blending, extrusion granulation and injection molding. And a copper layer, a nickel-phosphorus layer and a cobalt-chromium layer are further electroplated and deposited on the automobile air-inlet grille, and the anti-oxidation and corrosion-resistant automobile air-inlet grille is formed.
Owner:CHANGCHUN FAWAY GAOXIN AUTOMOTIVE ACCESSORIES CO LTD

Manufacturing process of PU square carpet

The invention relates to a manufacturing process of a PU square carpet, and belongs to the technical field of flame-retardant carpets. The manufacturing process comprises the following steps: firstly, preparing a flame-retardant ultraviolet absorbent, mixing the ultraviolet absorbent with nylon slices, carrying out melt spinning, then preparing a carpet surface blank layer by using the flame-retardant nylon yarns, and finally, carrying out thermocuring treatment at different temperatures to solve the warping problem in the carpet manufacturing process. The finally prepared carpet has good ultraviolet ray absorption capability and flame retardant capability; the flame-retardant ultraviolet absorbent used in the PU square carpet manufacturing process has good ultraviolet absorption capacity and good stability and is insoluble in water, so that the flame-retardant ultraviolet absorbent can take effect for a long time, and the effect cannot be weakened due to maintenance and cleaning; besides, environment-friendly materials which are nontoxic and harmless to human bodies are adopted in the preparation process of the PU square carpet, internal flame-retardant components cannot volatilize, harmful gas is not generated during combustion, and the PU square carpet is harmless to the human bodies.
Owner:WEIHAI SHANHUA HUABAO CARPET CO LTD

Method for extracting vanadium and chromium through self-catalysis of vanadium and chromium-containing sludge reinforced by micro-nano bubbles in aqueous alkali

The invention relates to a method for extracting vanadium and chromium through self-catalysis of vanadium-containing and chromium-containing mud reinforced by micro-nano bubbles in an alkaline solution, which comprises the following steps: introducing micro-nano oxygen-containing bubbles into mixed slurry of the alkaline solution and the vanadium-containing and chromium-containing mud to carry out synchronous reaction which comprises a Fenton-like reaction and an alkaline leaching reaction which are synchronously carried out, and in the synchronous reaction process, an alkali solution and vanadium-containing and chromium-containing sludge are intermittently supplemented, and a vanadium-containing and chromium-containing leaching solution is obtained. According to the method, active oxygen generated by strengthening of the microbubbles and hydroxyl free radicals generated by Fenton-like reaction are used for jointly strengthening damage of phase structures containing vanadium and chromium in the sludge containing vanadium and chromium, and oxidation dissolution of vanadium and chromium is promoted. And efficient leaching of vanadium and chromium in the vanadium-containing chromium mud is achieved under the conditions of low alkali concentration and low temperature, and industrial large-scale production is easy to achieve.
Owner:INSTITUTE OF PROCESS ENGINEERING CHINESE ACADEMY OF SCIENCES

Preparation method and application of high-flux and high-strength polylactic acid separation membrane

The invention belongs to the technical field of polylactic acid separation membranes, and particularly relates to a preparation method and application of a high-flux and high-strength polylactic acid separation membrane. The method comprises the following steps: step 1, preparing a membrane casting solution containing polylactic acid, a diluent, a pore-forming agent and an organic solvent; 2, preparing a continuous liquid film on a horizontal substrate, and carrying out constant temperature and humidity treatment on the continuous liquid film; and step 3, immersing the liquid membrane and the substrate into a pure water coagulating bath together to cure the membrane, thereby obtaining the high-flux and high-strength polylactic acid separation membrane. The liquid with boiling point and viscosity higher than those of the organic solvent is introduced into the membrane casting liquid to serve as a diluent, and the liquid membrane is subjected to constant-temperature and constant-humidity treatment, so that the concentration of polylactic acid on the surface of the liquid membrane is in a suitable range, and meanwhile, the liquid membrane is induced to be subjected to full-matrix gelation, so that high flux and high strength of the polylactic acid separation membrane are ensured; and the high-performance polylactic acid separation membrane with an approximately symmetrical structure can be prepared. The technical scheme is simple and convenient to operate, low in cost and easy to industrially amplify.
Owner:天津海水资源利用产业技术创新有限公司

Preparation method of norbornene

The present invention provides a norbornene preparation method, which comprises that ethylene and cyclopentadiene are subjected to a reaction in an ionic liquid to prepare the norbornene. The preparation method of norbornene provided by the invention has the characteristics of lower reaction pressure and higher safety.
Owner:PETROCHINA CO LTD

A method for preparing recycled polyester slices using waste polyester fabrics and recycled polyester slices

The invention relates to the technical field of recycled polyester, and discloses a method for preparing recycled polyester slices using waste polyester cloth and the recycled polyester slices. The preparation method comprises: alcoholyzing the pretreated waste polyester cloth by ethylene glycol alcoholysis, and obtaining recycled ethylene terephthalate after decolorization; polycondensing the flame retardant monomer with the recycled ethylene terephthalate under catalyst conditions to obtain flame retardant polyethylene terephthalate; melt blending the flame retardant polyethylene terephthalate with the flame retardant, melt extruding, cooling and pelletizing to obtain recycled polyester slices; the recycled polyester slices have excellent flame retardancy and can be used to prepare polyester fiber products with good flame retardancy.
Owner:CHAO YANG SHI TONG YI ZHI ZAO YOU XIAN GONG SI +1

Fully-synthetic cutting fluid based on self-repairing material and preparation method of fully-synthetic cutting fluid

The invention belongs to the technical field of metal cutting lubrication, and provides a fully-synthetic cutting fluid based on a self-repairing material and a preparation method thereof. The fully-synthetic cutting fluid is prepared by adding a plurality of components such as self-repairing microcapsules, ethyl lactate, polyether, polysiloxane and an antioxidant on the basis of a castor oil-based isocyanate polymer. The method comprises the following steps: firstly, reacting castor oil with isocyanate under the action of a catalyst to prepare a pre-product; the preparation method comprises the following steps: preparing a pre-product, reacting the pre-product with diphenylmethane diisocyanate, a chain extender and the like in an aqueous solution to generate a polyurea microcapsule with a self-repairing function, and finally mixing the microcapsule with ethyl lactate, polyvinyl ether, an antioxidant, stearic acid and the like to obtain the fully synthetic cutting fluid. The fully synthetic cutting fluid has excellent lubrication, corrosion resistance and oxidation resistance; meanwhile, active substances can be released after damage due to the self-repairing characteristic of the microcapsules, and the stability of the material is further enhanced.
Owner:SHANDONG NORTH ZITE SPECIAL OIL

Indoxacarb nano red fire ant poison bait and its preparation method and application

ActiveCN117562074Bgood control effectThorough preventionBiocidePest attractants
The invention discloses an indoxacarb nano red fire ant poison bait and a preparation method and application thereof, belonging to the technical field of red fire ant control. The indoxacarb nano red fire ant poison bait is composed of the following raw materials in mass percentage: 0.05% indoxacarb, 10% sweetener, 10% attractant, 10% adhesive, 1.32% to 2.15% nano carrier, 0.09% to 0.15% fatty acid, and 67.65% to 68.54% filler. The indoxacarb nano red fire ant poison bait provided by the invention has a good control effect on red fire ants, and has the advantages of fast effect, strong lasting effect, thorough control, and small amount of application, and the ingredients are stable, not easy to volatilize, safe and non-toxic, and the damage to the surrounding environment and animals and plants of the application is small, which meets the characteristics of green pesticides; the preparation method of the indoxacarb nano red fire ant poison bait provided is simple and easy to operate, does not require high temperature and high pressure, has low requirements on equipment, does not generate toxic and harmful substances, and is green and environmentally friendly.
Owner:HAINAN UNIV

A road petroleum asphalt-based hard and soft carbon composite material, its preparation method and application

ActiveCN118851174Bhigh carbon contentHigh carbon yieldCarbon compoundsCell electrodes
This invention provides a road petroleum asphalt-based hard-soft carbon composite material, the raw materials of which include road petroleum asphalt, light component small molecule stabilizer, heavy component small molecule oxidant, activator, and solvent; and the ratio of road petroleum asphalt:solvent:light component small molecule stabilizer:heavy component small molecule oxidant:activator is 1:15-25:0.05-0.2:0.05-0.2:2-5, calculated in g / mL / g / g / g. Furthermore, this invention also provides a method for preparing the aforementioned hard-soft carbon composite material, which includes the following steps: crosslinking treatment of the light component, crosslinking treatment of the heavy component, activation, and carbonization. This invention solves the problem in the prior art where the high price or low carbon yield of hard carbon precursors, high cost of oxidants, or complex overall formulations lead to high costs for the prepared asphalt-based sodium-ion battery anode carbon materials. The hard-soft carbon composite material of this invention not only has a lower cost but also combines the advantages of both hard and soft carbon, exhibiting high sodium storage capacity, high reversible specific capacity, high initial charge-discharge efficiency, and good cycle performance.
Owner:CHONGQING JIAOTONG UNIV +1

Absorbents for capturing carbon dioxide and methods of capturing carbon dioxide

PendingCN122298183Apromote absorptionReduce system viscosityMonomethyl etherGlycol synthesis
This invention provides an absorbent for capturing carbon dioxide and a method for capturing carbon dioxide. By volume percentage, the absorbent comprises 20-60% glycine salt aqueous solution, 10-50% triethylene glycol monomethyl ether, 5-10% ethylene glycol, and the balance being water. This absorbent combines the advantages of glycine salt systems, such as low volatility, non-toxicity, safety, and better antioxidant degradation resistance, while avoiding the risk of solid precipitates forming after absorption by the glycine salt system, which could cause pipeline blockage.
Owner:PETROCHINA CO LTD

Reflow soldering device with soldering paste filling function

The utility model relates to the technical field of electric welding equipment, and discloses a reflow soldering device with a soldering paste filling function, which comprises a handle, a connecting frame is arranged at the top of the handle, a soldering device body is arranged at the top of the connecting frame, and a feeding box is arranged at the top of the soldering device body. A feeding mechanism is arranged in the feeding box, and a conveying mechanism is arranged at the top of the connecting frame. The feeding mechanism comprises two mounting sleeves, the two mounting sleeves are fixedly connected to the two sides of the inner wall of the feeding box correspondingly, and rotating rods are arranged in the mounting sleeves. According to the reflow soldering device with the soldering paste filling function, rotation of a rotating rod can be effectively controlled by arranging a rotating disc and a rotating handle, so that rotation operation can be conducted on the rotating rod from the outside, and the rotating rod drives a conveying roller to rotate to be matched with a limiting conveying plate so that soldering paste can be conveyed into the soldering device body; and filling operation is carried out.
Owner:SHENZHEN FUSEN ELECTRONICS CO LTD

A preparation method and application of hot-melt epoxy resin adhesive

The present invention relates to a method for preparing a hot-melt epoxy resin adhesive and its application, belonging to the technical field of adhesives, and the preparation method comprises the following steps: S1, using composite filler, 3-(methacryloyloxy)propyltrimethoxysilane, alkyl ketene dimer to prepare pretreatment material B; S2, preparing component A and component B; S3, using component A and component B to prepare adhesive finished product. The present invention selects glass flakes, talcum powder and sericite compound as composite filler, and selects 3-(methacryloyloxy)propyltrimethoxysilane to increase the compatibility and bonding force of composite filler and epoxy resin matrix, and then uses alkyl ketene dimer and L-glutamic acid to improve the dispersibility of composite filler, so that the obtained adhesive finished product has excellent corrosion resistance. In addition, the present invention also adds n-butyl methacrylate and diglycidyl phthalate, so that the network structure in the system is denser, thereby increasing the heat resistance of the finished product.
Owner:POLY CHANGDA ENGINEERING CO LTD

A kind of carbon steel rust remover and its preparation method and application

ActiveCN116288378BNot volatilelow toxicityChelationAmine formation
The invention discloses a carbon steel rust remover and its preparation method and application, and relates to the technical field of metal rust removal and cleaning, wherein the rust remover comprises 30%-45% of organic acid, 1%-4% of thiol PEG amine, 0.5%-1% of quaternary ammonium salt, 1%-2% of organic solvent and surplus deionized water, based on the total mass of the rust remover. In the present invention, the sulfhydryl and amino groups in the thiol PEG amine molecule form a structurally stable coordination chelate film on the surface of a metal matrix, which can inhibit the excessive corrosion of aminosulfonic acid to a metal matrix; the chelate film formed by the thiol PEG amine contains a large amount of oxygen atoms, and under the action of hydrogen bonds, it is combined with quaternary ammonium salt to significantly improve the corrosion potential, and further enhance the corrosion resistance of the metal; the rust remover of the present invention can be used to remove rust and clean rusted carbon steel in a short time, and the effect is good, and the rust removal process will not damage the metal body.
Owner:WANHUA CHEM GRP CO LTD

Chemical liquid medicine drying device

The invention discloses a chemical liquid medicine drying device in the technical field of chemical liquid medicine drying, which comprises a drying box body, a chemical liquid medicine box is connected to the outer wall of the right side of the drying box body, a liquid supply assembly is arranged between the chemical liquid medicine box and the drying box body, the liquid supply assembly comprises a plurality of groups of atomizing nozzles, and a rotating assembly is arranged on the outer wall of the drying box body. The rotating assembly comprises a rotating connecting rod, the bottom of the rotating connecting rod is connected with a cylinder, an inner cavity of the cylinder is movably connected with a plurality of sets of cylinders, a drying agent layer is arranged in each set of cylinders, an opening is formed in the front end face of the cylinder, a sealing cover is movably connected into the opening, and dismounting structures are arranged between the outer walls of the two sides of the sealing cover and the inner walls of the two sides of the opening. By means of rotation of the cylinder, liquid medicine of sprayed fog drops can make full contact with the drying agent layer, moisture in the liquid medicine can be rapidly removed, a traditional method of using heating and anhydrous solvent replacement is replaced, active ingredients in the chemical liquid medicine cannot be volatilized, the drying cost is reduced, and the drying effect of the chemical liquid medicine is improved.
Owner:GUIZHOU UNIV OF ENG SCI

Fully-synthetic titanium alloy cutting fluid and preparation method thereof

The invention provides a total synthesis titanium alloy cutting fluid and a preparation method thereof. The total synthesis titanium alloy cutting fluid is prepared from the following raw materials in parts by weight: 55 to 60 parts of deionized water, 22 to 26 parts of sulfonate type ionic liquid, 7 to 9 parts of extreme pressure additive, 4.5 to 5.5 parts of antirust agent, 2.5 to 3.0 parts of catalase, 1.2 to 1.6 parts of antibacterial agent, 1.2 to 1.6 parts of stabilizer and 1.0 to 1.5 parts of defoaming agent. The prepared fully-synthesized titanium alloy cutting fluid can effectively lubricate titanium alloy for a long time under the conditions of high speed and high temperature, so that the abrasion of a tool in the machining process is remarkably reduced, and the service life of the tool is prolonged. And meanwhile, the surface machining quality of the titanium alloy workpiece is also remarkably improved, so that the workpiece is smoother and more accurate.
Owner:GUANGZHOU PANYU JIAJUN CHEM CO LTD

A self-crosslinking high-performance flame-retardant cable

The invention discloses a self-crosslinking high-performance flame-retardant cable, which is composed of an insulating core and a flame-retardant protective sleeve. The flame-retardant protective sleeve comprises, by weight, 45-55 parts of linear low-density polyethylene, 15-25 parts of ethylene-octene elastomer, 1.8-2.2 parts of a self-watering silane coupling agent, 10-16 parts of a flame retardant, 4-8 parts of a reactive flame retardant, 0.18-0.22 parts of an initiator, 0.5-0.8 parts of an antioxidant, and 1.6-2.2 parts of a catalyst. When the self-watering silane coupling agent is crosslinked with polyethylene, an amide structure in the structure is closed at high temperature to generate an imide structure and a molecule of water, so as to supply water for internal crosslinking of the polyethylene. The reactive flame retardant can be grafted onto the polyethylene main chain during the crosslinking process, is not easy to migrate, and has a long-term stable flame retardant effect.
Owner:GUANGDONG AOTONG SPECIAL CABLE CO LTD

Multi-channel parallel reactor based on photoelectric integration

The invention relates to the technical field of parallel reactor temperature control, and discloses a multi-channel parallel reactor based on photoelectric integration, which comprises the steps of collecting the temperature of the multi-channel parallel reactor, processing temperature data of the multi-channel parallel reactor, performing feature extraction on the temperature data and establishing a label set, receiving the label set, establishing a temperature monitoring model to monitor and predict the temperature of the multi-channel parallel reactor, analyzing, evaluating and feeding back the working temperature of the multi-channel parallel reactor, receiving the fed-back temperature of the multi-channel parallel reactor, generating a control instruction, and receiving the control instruction to promote internal circulation heat dissipation. According to the invention, the possible negative influence of temperature fluctuation on photochemical reaction control is avoided, and the temperature accuracy is enhanced.
Owner:JIANHU COUNTY LIANHUA GLASS TECH CO LTD

A puff-by-puff cigarette smoke capture device and method

The present invention provides a device and method for capturing smoke from a puff-by-puff cigarette, comprising a negative pressure bottle holder, a plurality of negative pressure bottles evenly arranged in the negative pressure bottle holder, a cigarette holder arranged at the upper end of the plurality of negative pressure bottles, one end of the cigarette holder clamping the cigarette, and the other end of the cigarette holder provided with an airflow pipeline, the airflow pipeline is sequentially inserted into the negative pressure bottles to capture the smoke; each negative pressure headspace bottle captures a puff of cigarette smoke. The present invention can effectively capture the smoke from a puff-by-puff cigarette, and can be directly used for the online analysis of the volatile and semi-volatile components of the puff-by-puff smoke, and has the advantages of being fast, accurate, and easy to operate.
Owner:CHINA TOBACCO YUNNAN IND

Residence community three-dimensional ecological structure system and construction method

The invention discloses a residence community three-dimensional ecological structure system and a construction method, and belongs to the technical field of house building engineering. The residence community three-dimensional ecological structure system comprises a roof greening structure, a balcony greening structure, a facade drainage connection structure and a ground greening and drainage structure; rainwater in the roof greening structure and the balcony greening structure is collected to the ground greening and drainage structure through the facade drainage connection structure. The ecological greening system has the beneficial effects that three-dimensional design is carried out on roof, balcony and ground greening, the integrity and mutual relevance of an ecological structure are effectively improved, the roof, balcony and ground waterproof and drainage structure systematic design can fully utilize and rapidly collect and drain rainwater, and the ecological greening effect of a community is improved.
Owner:THE THIRD ENG CO LTD OF THE CCCC THIRDHIGHWAY ENG CO LTD +2

High-temperature durable organic silicon defoaming composition and preparation method thereof

The invention provides a high-temperature durable organic silicon defoaming composition. The high-temperature durable organic silicon defoaming composition is prepared from alkyl polysiloxane, phenyl siloxane, fluorine-containing siloxane, hydrophobic modified silicon dioxide, an antioxidant and a dispersing agent, various groups, such as alkyl, benzene ring and fluorine-containing group, are introduced into the side chain of polysiloxane; according to the defoaming composition disclosed by the invention, due to the introduction of phenyl siloxane, the molecular structure is more stable, and relatively low volatility and excellent chemical stability can be kept under a high-temperature condition; the fluorine-containing group further enhances the thermal stability of polysiloxane on the molecular level, reduces the surface energy, and increases the adhesive ability of the defoaming agent on a gas-liquid interface. The optimized combination of the modified group, the dispersing agent and the antioxidant endows the defoaming agent with relatively strong oxidation resistance and chemical resistance, and the defoaming agent can stably work in a production environment with relatively strong oxygen-containing, acidic or alkaline properties.
Owner:广东美化新材料科技有限公司

A drying apparatus for silt and method of use thereof

The application discloses a kind of drying device for silt and its use method, belong to silt processing technical field.The device includes network electricity, rectifier filter circuit, DC-DC converter, DSP processor, single-chip microcomputer control system, PWM amplification circuit, full-bridge inverter circuit and electrode.Network electricity is converted into direct current by rectifier filtering, and voltage conversion is carried out by DC-DC converter;DSP processor evaluates silt state and generates pulse signal, and single-chip microcomputer generates PWM signal, which is amplified to drive full-bridge inverter circuit to convert direct current into bipolar pulse voltage output to electrode, forming alternating electric field.Use method includes placing silt between electrodes, starting device, detecting humidity, optimizing tracking optimal drying point by resistivity-frequency closed loop, accelerating moisture migration, until resistivity is greater than 200Ω·m and humidity reaches 40% to complete drying.The device has the characteristics of low energy consumption, high efficiency, accurate control and no electrode corrosion.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY

Supercritical gas foaming material and preparation method thereof

The invention discloses a supercritical gas foaming material and a preparation method thereof, and relates to the field of high polymer materials. When the supercritical gas foaming material is prepared, (3-iodopropyl) trimethoxysilane is prepared into pre-modified silsesquioxane, and then the pre-modified silsesquioxane sequentially reacts with sodium azide and 1-hydroxyacetylene to prepare modified silsesquioxane; the preparation method comprises the following steps: sequentially reacting trimethoxysilane with 1-allyl-1H-pyrrole and nano silicon dioxide to prepare pre-modified silicon dioxide; the preparation method comprises the following steps: reacting 1-allyl-1H-pyrrole with phosphorous acid to prepare a flame-retardant pyrrole monomer; reacting a flame-retardant pyrrole monomer, pyrrole and the pre-modified silicon dioxide to obtain modified silicon dioxide; and mixing polyethylene glycol terephthalate granules, the modified silicon dioxide and the modified silsesquioxane, and carrying out mould pressing foaming to obtain the supercritical gas foaming material. The supercritical gas foaming material prepared by the invention has excellent antibacterial, anti-aging, flame-retardant and antistatic effects.
Owner:ALPHA (GUANGDONG) HIGH-TECH MATERIALS CO LTD