Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

81results about How to "Good prospects for marketization" patented technology

Multiple reversible color change microcapsule anti-counterfeiting material and preparation method and application thereof

The invention discloses a multiple reversible color change microcapsule anti-counterfeiting material and a preparation method and applications thereof. The preparation method comprises the following steps: dissolving at least one of temperature-sensitive material, humidity sensitive material, ultraviolet excited fluorescence material and infrared excited fluorescence material in high boiling point solvent containing UV resistant agent and antioxidant, then adding emulsifier and protective colloid to obtain emulsion solution, and adopting the in-situ polymerization method to obtain the anti-counterfeiting material with microcapsule structure. The microcapsule structure of the invention can isolate the air and the wall of the microcapsule can reduce the light transmission, thus improving the weather resistance and light resistance of the anti-counterfeiting material and prolonging the use validity of the product. The material is a microcapsule aqueous solution so that the material is completely applicable to the coating method of the currently existing water-based paint, removes apprehensions in areas of safety, health and environmental protection, thoroughly solves the defect of the complicated solvent-based (oily material) coating and processing method, satisfies the anti-counterfeiting demand and can be applied in papers, cloth and film materials in large.
Owner:张世智

Silicon quantum dot/graphene/silicon heterostructure-based photoelectric sensor

The invention discloses a silicon quantum dot / graphene / silicon heterostructure-based photoelectric sensor. The photoelectric sensor is sequentially provided with a bottom electrode, an n-type silicon substrate and a silicon dioxide isolation layer from bottom to top, wherein a window is formed in the silicon dioxide isolation layer; the n-type silicon substrate in the window is exposed; the silicon dioxide isolation layer is provided with a top electrode; a single graphene layer and a silicon quantum dot film layer overlay the top electrode; and the single graphene layer is in contact with the n-type silicon substrate in the window to form a graphene / silicon schottky junction. The photoelectric sensor disclosed by the invention is optimization and improvement on the basis of the schottky structure, has the advantages of the schottky junction, utilizes silicon quantum dots as a response increase layer, can effectively improve the responsivity of a device in the whole band, especially the responsivity of ultraviolet and visible parts, and solves the problem that a traditional silicon-based PIN junction is low in response to ultraviolet light detection. The sensor can work at an extremely low reverse bias voltage, and is a low-energy device with a considerable application prospect.
Owner:ZHEJIANG UNIV

Anti-static wheat-straw wood-plastic composite material and preparation method thereof

The invention provides an anti-static wheat-straw wood-plastic composite material and a preparation method thereof. The anti-static wheat-straw wood-plastic composite material is characterized by being prepared from, by weight, 20-70 parts of lignocellulosic material, 50-150 parts of polypropylene resin, 3-10 parts of coupling agent, 5-30 parts of antistatic agent, 2-6 parts of lubricating agent, 10-30 parts of calcium carbonate, 0.1-1 part of antioxidant and 3-5 parts of other additives. The preparation method comprises the steps that the lignocellulosic material, wood-plastic powder and the coupling agent are put in a high-speed mixer, thermal stirring and mixing are conducted to be uniform, and a thermal mixed material is obtained; the thermal mixed material is put in a cooling mixer to be cooled, the antistatic agent, the lubricating agent and other additives are added into the cooling mixer by weight after the temperature of the thermal mixed material is decreased to 40 DEG C, all the materials are put into a screw extruder after being stirred and mixed to be uniform, extrusion is conducted, and the anti-static wheat-straw wood-plastic composite material is obtained. According to the wood-plastic composite material, waste wheat straw serves as the lignocellulosic raw material, and by means of pretreatment and formula optimization, the obtained wood-plastic composite material is excellent in property and good in marketization prospect.
Owner:ANHUI GUOFENG WOOD PLASTIC COMPOSITE

Single-component polyurethane grouting material foamed when meeting water, and preparation method and application thereof

The invention discloses a single-component polyurethane grouting material foamed when meeting water, and a preparation method and an application thereof. The invention provides the preparation method for the single-component polyurethane grouting material foamed when meeting water, wherein the preparation method comprises the following steps: step 1, carrying out a polymerization reaction of hydrophilic polyether polyol and an organic polyisocyanate compound, to obtain a polyurethane prepolymer, wherein the hydrophilic polyether polyol has the functionality degree of 3-4 and the number-average molecular weight of 5000-7000; and step 2, stirring and mixing the polyurethane prepolymer obtained in the step 1 with an organic cosolvent, a surfactant, a catalyst and a plasticizer, to obtain the single-component polyurethane grouting material foamed when meeting water. The polyurethane grouting material forms elastic foams after being reacted when meeting water, after water is volatilized, the polyurethane grouting material is naturally shrunk to a certain extent, the foam bodies are still intact, the polyurethane grouting material can absorb water to swell when meeting water again, and a secondary water plugging effect is achieved; therefore, the polyurethane grouting material can rapidly plug water, is foamed when meeting water, and has good cohesiveness and good marketization prospects.
Owner:SHANGHAI DONGDA CHEM

Rhizoma fagopyri dibotryis extract, preparation methods and applications of rhizoma fagopyri dibotryis extract and skin external-use preparation containing rhizoma fagopyri dibotryis extract

The invention discloses a rhizoma fagopyri dibotryis extract, preparation methods and applications of the rhizoma fagopyri dibotryis extract and a skin external-use preparation containing the rhizoma fagopyri dibotryis extract. The preparation method I of the rhizoma fagopyri dibotryis extract comprises the following steps: 1, extracting a mixture formed by fagopyrum dibotrys powder and ethanol aqueous solution with the volume concentration being 50-80% for 0.5-5 h at 10-35 DEG C, carrying out solid-liquid separation to obtain a filtrate, and removing a solvent from the filtrate, thus obtaining a rhizoma fagopyri dibotryis crude extract, wherein the mass-to-volume ratio of the fagopyrum dibotrys powder to the ethanol aqueous solution is 1:8-1:15 g/mL; The preparation method II of the rhizoma fagopyri dibotryis extract comprises the following steps: loading the rhizoma fagopyri dibotryis crude extract obtained in the method I to a macroporous resin packing column, carrying out elution by adopting a solvent I, a solvent II and a solvent III sequentially, respectively collecting the eluants, and removing the solvents to obtain a solvent elution part A, a solvent elution part B and a solvent elution part C. The rhizoma fagopyri dibotryis extract has the good efficacies of whitening the skin, resisting ageing and resisting oxidation, thus having a good market prospect.
Owner:JALA GROUP CORPORATION

Small-caliber circular knitting machine plaiting device

The invention discloses a small-caliber circular knitting machine plaiting device. The small-caliber circular knitting machine plaiting device is characterized by comprising a supporting rod fixed to the working face of a needle cylinder, a height adjusting device installed at the top end of the supporting rod, a rotation adjusting device connected with the height adjusting device, and a plaiting and yarn guiding rod connected with the rotation adjusting device. A plaiting and yarn guiding assembly is installed on the plaiting and yarn guiding rod and comprises at least one yarn guiding triangular support installed on the upper surface of the plaiting and yarn guiding rod, and a yarn guiding nozzle connected with the tail end of the plaiting and yarn guiding rod. Multiple yarn guiding holes arranged in parallel are formed in the head end of the yarn guiding nozzle. The small-caliber circular knitting machine plaiting device has the advantages that the structure is simple, operation is easy, control is stable, it can be achieved that yarn laying positions and angles are adjustable, multiple pieces of yarn (backing yarn and surface yarn) are introduced at the same time to meet the knitting requirements of different plaited fabrics, the application range is wide, and large-scale production and application are convenient.
Owner:NANTONG TEXTILE & SILK IND TECH RES INST +1

Method for preparing self-cross linking type water-based fluorine-contained acrylic resin and polyurethane hybrid

The invention relates to a method for preparing self-cross linking type water-based fluorine-contained acrylic resin and polyurethane hybrid, comprising the following process: (1) unsaturated hydroxylThe invention relates to a method for preparing self-cross linking type water-based fluorine-contained acrylic resin and polyurethane hybrid, comprising the following process: (1) unsaturated hydroxylee emulsion. The unsaturated double-linked water-based polyurethane and fluorine-contained acrylic resin are grafted innovatively, and the synthesized environmentally-friendly resin has the excellentee emulsion. The unsaturated double-linked water-based polyurethane and fluorine-contained acrylic resin are grafted innovatively, and the synthesized environmentally-friendly resin has the excellentperformance of both fluorocarbon resin and polyurethane resin and can be widely applied to building coating, woodenware coating and metal coating.performance of both fluorocarbon resin and polyurethane resin and can be widely applied to building coating, woodenware coating and metal coating.-terminated polyester is synthesized after the polycondensation of the double-linked polyhydric alcohol and polybasic acid; (2) the unsaturated hydroxyl-terminated polyester is used as the soft segmen-terminated polyester is synthesized after the polycondensation of the double-linked polyhydric alcohol and polybasic acid; (2) the unsaturated hydroxyl-terminated polyester is used as the soft segment of polyurethane, dihydric alcohol, hydrophilic monomer and isocyanate are added to the polyurethane to react with the polyurethane, production of the reaction is neutralized, and water is added to tt of polyurethane, dihydric alcohol, hydrophilic monomer and isocyanate are added to the polyurethane to react with the polyurethane, production of the reaction is neutralized, and water is added to the resultant of reaction for chain extension so as to prepare unsaturated double-linked water-based polyurethane; and (3) the water-based fluorine-contained acrylic resin and polyurethane hybrid in nuhe resultant of reaction for chain extension so as to prepare unsaturated double-linked water-based polyurethane; and (3) the water-based fluorine-contained acrylic resin and polyurethane hybrid in nucleocapsid structure is polymerized from the unsaturated double-linked water-based polyurethane used as surface active agent and the fluorine-contained acrylic resin and acrylic resin by emulsifier-frcleocapsid structure is polymerized from the unsaturated double-linked water-based polyurethane used as surface active agent and the fluorine-contained acrylic resin and acrylic resin by emulsifier-fr
Owner:JIANGSU BLUESTAR GREEN TECH

Self-assembled gap-adjustable gold nano-film preparation method

The invention discloses a self-assembled gap-adjustable gold nano-film preparation method. The self-assembled gap-adjustable gold nano-film preparation method comprises the following steps that a substrate is cleaned, and surface treatment modification is carried out by using plasma to enable the substrate to show high adhesive force; and then metal Au is taken as a sputtering target material, low-vacuum sputtering equipment is adopted, the vacuum degree is controlled to be smaller than or equal to 10 Pa, oxygen is used as working gas, the distance between the target material and the substrateis adjusted to range from 3 cm to 7 cm, the discharge current is adjusted to range from 5 mA to 10 mA, and preparation of a gold nano-film is completed after a period of sputtering time. The method is simple in process, easy in process control, low in cost, high in deposition rate, high in binding force and capable of realizing large-scale commercial production. By adjusting the environment pressure and the sputtering current and setting the sputtering distance and time, nanoparticles are self-assembled on the surface of the substrate to form the ordered two-dimensional nano-film, and the gaps between the nanoparticles are adjustable. A prepared nano-gold disc is smooth in surface and uniform in thickness, has excellent optical, electric and heat conduction characteristics and biocompatibility, and is high in stability and good in repeatability.
Owner:SHANDONG UNIV OF TECH

A photoelectric sensor based on silicon quantum dots/graphene/silicon heterostructure

The invention discloses a silicon quantum dot / graphene / silicon heterostructure-based photoelectric sensor. The photoelectric sensor is sequentially provided with a bottom electrode, an n-type silicon substrate and a silicon dioxide isolation layer from bottom to top, wherein a window is formed in the silicon dioxide isolation layer; the n-type silicon substrate in the window is exposed; the silicon dioxide isolation layer is provided with a top electrode; a single graphene layer and a silicon quantum dot film layer overlay the top electrode; and the single graphene layer is in contact with the n-type silicon substrate in the window to form a graphene / silicon schottky junction. The photoelectric sensor disclosed by the invention is optimization and improvement on the basis of the schottky structure, has the advantages of the schottky junction, utilizes silicon quantum dots as a response increase layer, can effectively improve the responsivity of a device in the whole band, especially the responsivity of ultraviolet and visible parts, and solves the problem that a traditional silicon-based PIN junction is low in response to ultraviolet light detection. The sensor can work at an extremely low reverse bias voltage, and is a low-energy device with a considerable application prospect.
Owner:ZHEJIANG UNIV

Ultrasonic flowmeter

The invention discloses an ultrasonic flowmeter which belongs to the technical field of fluid flow measuring equipment. The flowmeter comprises an outer housing. A flowmeter head is arranged outside the outer housing. The inner part of the outer housing is coaxially provided with an inner housing. A flow gap is arranged between the outer housing and the inner housing. Two ends of the flow gap are respectively provided with a first reflector plate and a second reflector plate. The first reflector plate and the second reflector plate are respectively provided with flow channels which extend axially, wherein the number of the flow channels on the first reflector plate is same with that of the flow channels on the second reflector plate. The flow channels on the first reflector and the second reflector which are arranged oppositely are coaxially arranged. The end of the first reflector plate is provided with a first reflection oblique surface which is conically arranged. The end of the second reflector plate is provided with a second reflection oblique surface which is conically arranged. A first probe and a second probe are separately arranged on the outer housing. The first probe and the second probe are connected with the flowmeter head. The ultrasonic flowmeter overcomes technical problems of low measurement precision and no wide enough measurement range in a time-difference-method ultrasonic flowmeter. The ultrasonic flowmeter provided by the invention can be widely applied in measurement for the flow speed of the fluid.
Owner:ZHEJIANG TIANXIN INSTR TECH CO LTD

Multiple reversible color change microcapsule anti-counterfeiting material and preparation method and application thereof

The invention discloses a multiple reversible color change microcapsule anti-counterfeiting material and a preparation method and applications thereof. The preparation method comprises the following steps: dissolving at least one of temperature-sensitive material, humidity sensitive material, ultraviolet excited fluorescence material and infrared excited fluorescence material in high boiling point solvent containing UV resistant agent and antioxidant, then adding emulsifier and protective colloid to obtain emulsion solution, and adopting the in-situ polymerization method to obtain the anti-counterfeiting material with microcapsule structure. The microcapsule structure of the invention can isolate the air and the wall of the microcapsule can reduce the light transmission, thus improving the weather resistance and light resistance of the anti-counterfeiting material and prolonging the use validity of the product. The material is a microcapsule aqueous solution so that the material is completely applicable to the coating method of the currently existing water-based paint, removes apprehensions in areas of safety, health and environmental protection, thoroughly solves the defect of the complicated solvent-based (oily material) coating and processing method, satisfies the anti-counterfeiting demand and can be applied in papers, cloth and film materials in large.
Owner:张世智

Method for synchronously removing ammonia nitrogen in river sediment and overlying water body by using ammonia nitrogen release increasing agent

ActiveCN113024052ARealize integrated governanceEliminates the risk of re-release into overlying water bodiesSludge treatmentWater contaminantsRaw materialDenitrification
The invention relates to a method for synchronously removing ammonia nitrogen in river sediment and an overlying water body by using an ammonia nitrogen release increasing agent, which comprises the following steps: adding the ammonia nitrogen release increasing agent into the sediment to promote the ammonia nitrogen in the sediment to be quickly released into the overlying water body, and denitrifying the overlying water body by combining a microbial aeration method to realize synchronous denitrification of the sediment and the overlying water body. The ammonia nitrogen release increasing agent is iron-loaded biomass charcoal. Compared with the prior art, the method has the following advantages: (1) nitrogen in the overlying water body and the bottom mud is synchronously removed, and integrated treatment of the overlying water body and the bottom mud of the riverway is realized; (2) compared with a method of applying an ammonia nitrogen release inhibiting agent to the bottom mud, the risk that ammonia nitrogen in the bottom mud can be released again to enter an overlying water body under the disturbance of external environmental factors can be thoroughly eliminated; and (3) the used materials are low in preparation cost, simple in process and wide in raw material source, and have a better market prospect.
Owner:UNIV OF SHANGHAI FOR SCI & TECH +1
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products