Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
44 results about "Pmma polymer" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Polymethyl methacrylate (PMMA) is an acrylic polymer that has high ultraviolet (UV) resistance and is available as resin or sheet. About two-thirds of consumption is in sheets produced by extrusion or casting, while the remainder is moulded into various shapes. PMMA’s primary use is in car headlamps and taillights.
Nano composite fiber-reinforced gel polymer electrolyte and preparation method thereof
InactiveCN104393336AAvoid layeringPrevent peelingFinal product manufactureElectrolyte accumulators manufacturePolymer electrolytesPolymer science
The invention relates to a nano composite fiber-reinforced gel polymer electrolyte and a preparation method thereof. Nano composite polymer fibers are grafted with a cross-linked polymer which has good compatibility with an electrolyte liquid, and adsorbs an ionic liquid-base electrolyte liquid to form a gel polymer electrolyte membrane taking the nanometer composite fibers as the framework, wherein the gel polymer electrolyte membrane has the advantages that the high temperature stability is good, and 10<-3> S / cm order of magnitude room temperature ion electric conductivity and the liquid leakage ratio are low. The preparation method mainly sequentially comprises the four steps of dissolving PVDF and PMMA to obtain a spinning liquid, obtaining a nano composite SiO2 / PVDF-b-PMMA polymer blend fibrous membrane, obtaining a (SiO2 / PVDF-PMMA)-g-PMMA / SiO2 nano composite polymer membrane, and obtaining a nano composite fiber-reinforced gel polymer electrolyte. The preparation method does not need a radiation device to trigger or strong base treatment; the synthesis process is simple; the operation is convenient; the production technology process is short; the energy consumption is low; and the nano composite fiber-reinforced gel polymer electrolyte and the preparation method thereof are especially suitable for a power lithium-ion battery material and preparation thereof.
Owner:XIANGTAN UNIV
Preparation method of graphene field-effect transistor biosensor
ActiveCN104535635AKeep Superior PerformanceImprove cleanlinessMaterial analysis by electric/magnetic meansPolymethyl methacrylateSingle layer graphene
The invention belongs to a preparation method of a biosensor, and relates to a preparation method of a graphene field-effect transistor biosensor. The preparation method comprises the following steps: (1) preparing a single-layer graphene copper plate; (2) preparing devices on a substrate layer of a sensor; (3) performing directional transfer on graphene; and (4) heating to bake the sensor, removing PMMA (polymethyl methacrylate) with acetone, performing vacuum annealing, and modifying the graphene with probes to obtain the graphene field-effect transistor biosensor. According to the preparation method provided by the invention, large-scale preparation of the biosensor based on CVD (chemical vapor deposition) graphene can be realized, the copper etching time is short, and the preparation method is simple and quick and can greatly lower the manufacturing cost; and in the preparation process, the PMMA polymer is used only once (in the traditional method, the PMMA polymer is used for more times, at least three times), thus greatly improving the surface cleanliness of the graphene, retaining the intrinsic high performance of the graphene and being more beneficial to subsequent probe modification.
Owner:HUBEI UNIV OF CHINESE MEDICINE
Composite lithium ion battery separator and preparation method therefor
InactiveCN105932204AHigh mechanical strengthImproved aperture largerSecondary cellsCell component detailsPmma polymerReinforced concrete
The invention discloses a composite lithium ion battery separator and a preparation method therefor. The composite lithium ion battery separator comprises non-woven fabric cloth used as the framework, and a composite film which is formed by a polymethyl methacrylate polymer mixed liquid on the non-woven fabric and equipped with a three-dimensional cross-linking network. The composite lithium ion battery separator adopts the non-woven fabric framework and the polymer-repaired composite structure, so that the power performance of the lithium ion battery is improved, and the safety performance of the lithium ion battery is enhanced; according to the preparation method for the composite lithium ion battery separator, the PMMA is taken as the polymer for dip-coating; a proper amount of cross-linking agent is added to the PMMA solution to trigger polymerization under a proper condition so as to form the three-dimensional cross-linking network, so that a certain framework effect is performed in the PMMA polymer, which is similar to the effect of reinforcing steel bars in reinforced concrete; and therefore, the mechanical strength of the separator is greatly improved, and the influences on the air permeability of the separator, the wettability of the electrolyte, and the like are reduced as well.
Owner:FOSHAN JINHUI HIGH TECH OPTOELECTRONICS MATERIAL
Light-conducting component for constructions and buildings and also production process therefor
InactiveUS20140059952A1Produced much more quickly and cheaplyEasy to manufactureRoof covering using slabs/sheetsMechanical apparatusBrickArchitectural engineering
A light-conducting component, in particular finished concrete part in the form of a masonry brick, for constructions and building. The component is produced in a casting mold by casting into at least one casting building material and the optical waveguide is made of a light-conducting building material, e.g. PMMA polymer or glass, which is accessible at at least two positions on the outer surface of the light-conducting component for the input of light and output of light. The optical waveguide is configured as a self-supporting 2D or 3D lattice body composed of rods having a thickness / diameter of greater than 1 mm. The self-supporting 2D or 3D lattice body has approximately the same or an only slightly smaller width (W), or length (L), or base dimensions (W, L), or total external dimensions (W, L, H) than the casting mold itself.
Owner:CHRISTANDL DIETER +2
Pseudothermoplastic, self-crosslinking composites
InactiveUS20140323001A1Reduce electron densityRapid responseLayered productsPretreated surfacesRoom temperatureDiels alder
In the present process, reversibly crosslinking composites or storage-stable prepregs are produced by means of a hetero Diels-Alder reactions (HDA,) for example of PMMA polymers. At slightly elevated temperature, these prepregs can be reversibly decrosslinked again by a retro hetero Diels-Alder reaction so that they become moldable. The back-reaction to products which are again crosslinked or high molecular weight then takes place at room temperature.
Owner:EVONIK DEGUSSA GMBH
Assembly method of microstructure pressing triple prism made from PMMA polymer material
The invention relates to an assembly method of a microstructure pressing triple prism made from PMMA polymer material. The method comprises the following steps: welding a flat glass plate on the bottom surface of a PMMA pressing triple prism by an ultrasonic welding technology to enable the bottom surface of the PMMA pressing triple prism to be fixed on the flat glass plate; cutting the flat glass plate fixed on the PMMA pressing triple prism by a diamond cutting machine, wherein a free boundary exceeds the outline of the PMMA pressing triple prism; etching an assembly line on the inner layer of a lens of a common spherical mirror needing to be installed, wherein the assembly line is the same as the contour line of the flat glass plate; aligning a microstructure morphology layer of the PMMA pressing triple prism to the inner layer of the common spherical mirror, and welding the flat glass plate provided with the PMMA pressing triple prism on the assembly line by an ultrasonic welding technology; and carrying out edge polishing treatment.
Owner:浙江艾明德生物科技有限公司
Gel polymer electrolyte and preparation method thereof, and electrochemical power source and application thereof
InactiveCN103682431AImproves ability to absorb electrolytesImprove conductivityFinal product manufactureCapacitor electrolytes/absorbentsElectricityPolymer electrolytes
The invention discloses a gel polymer electrolyte and a preparation method thereof, and an electrochemical power source and application thereof. The preparation method of the gel polymer electrolyte comprises the following steps: preparing a thick liquid containing PMMA (polymethyl methacrylate) polymer, preparing a gel polymer electrolyte film by running, and impregnating and adsorbing the electrolyte. The electrochemical power source contains the gel polymer electrolyte. The preparation method of the gel polymer electrolyte has the advantages of simple technique, mature technology, high yield and high efficiency, and effectively lowers the production cost. The gel polymer electrolyte prepared by the method has the advantages of high mechanical strength and high conductivity. The electrochemical power source containing the gel polymer electrolyte has the advantages of high yield, low production cost, excellent electrochemical properties and wider application range.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +2
Photocatalytic filter
ActiveUS20180104678A1Water/sewage treatment by irradiationWater treatment compoundsCross-linkNanoparticle
Disclosed herein is a photocatalytic filter, which includes a plurality of cross-linked polymethyl methacrylate (PMMA) / ionic liquid (IL) / TiO2 nanocomposite pellets, and a photocatalytic vessel. The plurality of cross-linked PMMA / IL / TiO2 nanocomposite pellets is placed within the photocatalytic vessel. Each cross-linked PMMA / IL / TiO2 nanocomposite pellet includes a PMMA polymeric matrix, and a plurality of IL / TiO2 core-shell microspheres dispersed within the PMMA polymeric matrix. Moreover, each IL / TiO2 core-shell microsphere includes a core of IL and a shell of TiO2 nanoparticles.
Owner:MIRHOSEINI FARID +1
Bead suspension polymerization method for methyl methacrylate
The invention discloses a bead suspension polymerization method for methyl methacrylate, which comprises a step of mixing an oil phase and an aqueous phase to carry out a suspension polymerization reaction. The oil phase comprises a methyl methacrylate monomer and an oil-soluble radical initiator; the aqueous phase comprises water and at least three suspending agents, namely a cellulose surfactant, a vinyl pyrrolidone polymer nonionic surfactant and an acrylic polymer anionic surfactant. In the method, a polymerization reaction system is stable and easy to control, the polymerization reaction period is shortened, the yield is improved, and the method is low in cost. Meanwhile, the polymethyl methacrylate (PMMA) polymer particles prepared by the method meet the service conditions for manufacturing artificial resin teeth.
Owner:HERAEUS DENTAL
PMMA polymer coating diaphragm and preparation method thereof
PendingCN111354907AAvoid uneven coatingImprove adhesionSecondary cellsCell component detailsPolymer sciencePolymer chemistry
The invention discloses a PMMA polymer coating diaphragm and a preparation method thereof, and belongs to the field of battery diaphragms. The PMMA polymer coating diaphragm comprises a base membraneand a PMMA polymer coating coated on at least one surface of the base membrane; the PMMA polymer coating contains PMMA powder, a dispersing aid, a first binder and a second binder. The preparation method comprises the following steps: preparing PMMA coating slurry, and enabling the surface of a base film to coated with the PMMA coating slurry; the solubility of the PMMA in a water system can be improved, the PMMA powder can be effectively dispersed in a water system, the bonding strength of the diaphragm and the pole piece is enhanced, the problem of non-uniform coating of a PMMA polymer partis better solved, meanwhile, the phenomena of swelling and deformation of the battery are effectively inhibited, the hardness and consistency of the battery are improved, and the oxidation resistanceand long-term cycle performance of the battery are improved.
Owner:安徽金力新能源有限公司
PMMA binding peptides
Peptides are provided that have binding affinity for polymethyl methacrylate (PMMA). The polymethyl methacrylate-binding peptides may be used to prepare peptide-based reagents suitable for use in a variety of applications. The peptide-based reagents may be used to couple benefit agents to a PMMA polymer surface or may be used to couple a benefit agent comprising a PMMA polymer surface to a target surface, such as a body surface.
Owner:EI DU PONT DE NEMOURS & CO
Strabismus angle measurement device with hard film pressing triple prism
ActiveCN104983393ARealize measurementEasy to customizeEye diagnosticsMeasurement deviceTransmittance
The invention provides a strabismus angle measurement device with a hard film pressing triple prism. The strabismus angle measurement device with the hard film pressing triple prism comprises a strabismus angle measurement bar and the hard film pressing triple prism. The hard film pressing triple prism comprises an optical surface microstructure, an assembly groove, a material base and a hard film protective layer, wherein the material base is made of a PMMA polymer material, the light transmittance of the PMMA polymer material reaches 99%, the optical surface microstructure is arranged on the upper surface of the material base, the optical surface microstructure is a Fresnel optical microstructure, the assembly groove surrounds the optical surface microstructure, and the hard film protective layer is arranged on the bottom surface of the material base. The strabismus angle measurement bar comprises a handle and hard film pressing triple prism assembly holes, wherein the handle is located at the end of the strabismus angle measurement bar, supporting rings used for supporting the hard film pressing triple prism are arranged in the hard film pressing triple prism assembly holes, and the hard film protective layer of the hard film pressing triple prism is located on the supporting rings. The strabismus angle measurement device with the hard film pressing triple prism can achieve non-contact measurement and is good in measurement effect.
Owner:浙江艾明德生物科技有限公司
Pmma binding peptides
InactiveUS20100298535A1Peptide-nucleic acidsPeptide/protein ingredientsTarget surfaceBinding peptide
Peptides are provided that have binding affinity for polymethyl methacrylate (PMMA). The polymethyl methacrylate-binding peptides may be used to prepare peptide-based reagents suitable for use in a variety of applications. The peptide-based reagents may be used to couple benefit agents to a PMMA polymer surface or may be used to couple a benefit agent comprising a PMMA polymer surface to a target surface, such as a body surface.
Owner:EI DU PONT DE NEMOURS & CO
Pmma binding peptides
Peptides are provided that have binding affinity for polymethyl methacrylate (PMMA). The polymethyl methacrylate-binding peptides may be used to prepare peptide-based reagents suitable for use in a variety of applications. The peptide-based reagents may be used to couple benefit agents to a PMMA polymer surface or may be used to couple a benefit agent comprising a PMMA polymer surface to a target surface, such as a body surface.
Owner:EI DU PONT DE NEMOURS & CO
Pmma binding peptides
Peptides are provided that have binding affinity for polymethyl methacrylate (PMMA). The polymethyl methacrylate-binding peptides may be used to prepare peptide-based reagents suitable for use in a variety of applications. The peptide-based reagents may be used to couple benefit agents to a PMMA polymer surface or may be used to couple a benefit agent comprising a PMMA polymer surface to a target surface, such as a body surface.
Owner:EI DU PONT DE NEMOURS & CO
Preparation method and application of fluorescent nanofiber film based on bimetallic organic framework
ActiveCN109385751ANo pollution in the processHigh sensitivityFilament/thread formingMonocomponent synthetic polymer artificial filamentNitrofurazoneFluorescence
The invention discloses a preparation method and application of a fluorescent nanofiber film based on a bimetallic organic framework. The fluorescent nanofiber film is prepared by taking the bimetallic organic framework and a PMMA polymer as raw materials and utilizing an electrostatic spinning technology. The purpose of detection is achieved through the quenching amount of the fluorescent signalof the fluorescent nanofiber film. The fluorescent nanofiber film has the unique advantages of high sensitivity, good selectivity, short response time and the like when used for detecting nitro-explosive { (4-NA (p-nitroaniline), TNP (picric acid) } and antibiotic { (NFT nitrofurantoin, NFZ nitrofurazone) } in water.
Owner:WUHAN UNIV
Pmma binding peptides
InactiveUS20100298534A1Peptide-nucleic acidsPeptide/protein ingredientsTarget surfaceBinding peptide
Peptides are provided that have binding affinity for polymethyl methacrylate (PMMA). The polymethyl methacrylate-binding peptides may be used to prepare peptide-based reagents suitable for use in a variety of applications. The peptide-based reagents may be used to couple benefit agents to a PMMA polymer surface or may be used to couple a benefit agent comprising a PMMA polymer surface to a target surface, such as a body surface.
Owner:EI DU PONT DE NEMOURS & CO
Pmma binding peptides
Peptides are provided that have binding affinity for polymethyl methacrylate (PMMA). The polymethyl methacrylate-binding peptides may be used to prepare peptide-based reagents suitable for use in a variety of applications. The peptide-based reagents may be used to couple benefit agents to a PMMA polymer surface or may be used to couple a benefit agent comprising a PMMA polymer surface to a target surface, such as a body surface.
Owner:EI DU PONT DE NEMOURS & CO
Preparation method of PMMA (Polymethyl Methacrylate) nano vacant shells with different thicknesses
ActiveCN103691374ASave raw materialsReduce manufacturing costMicroballoon preparationMicrocapsule preparationSlice thicknessAtom-transfer radical-polymerization
The invention discloses a preparation method of PMMA (Polymethyl Methacrylate) nano vacant shells with different thicknesses, and relates to SiO2-PMMA nano composite materials with different shell thicknesses, a synthesizing method and regulation of shell thicknesses of vacant PMMA. The preparation method comprises the following steps: preparing spherical nano SiO2 with proper grain size; then, carrying out backflow at 95 DEG C for 12 hours by 3-aminopropyltriethoxysilane (APTES) to modify SiO2 to obtain SiO2-NH2; then carrying out bromine modification on SiO2-NH2 at 0 DEG C by 2-bromoisobutyryl bromine (BiB); successfully adjusting the shell thickness of PMMA by adjusting the amounts of monomer methyl methacrylate (MMA) and ligand triphenylphosphine (PPh3) in a reaction system by an AGET ATRP (Activator Generated by Electron Transfer Atom Transfer Radical Polymerization) method; and then, etching nanosilicon dioxide balls by hydrofluoric acid to obtain the PMMA polymer vacant shells with different thicknesses.
Owner:泰安泰山科技有限公司
Pmma binding peptides
InactiveUS20100298240A1Peptide-nucleic acidsPeptide/protein ingredientsTarget surfacePolymeric surface
Peptides are provided that have binding affinity for polymethyl methacrylate (PMMA). The polymethyl methacrylate-binding peptides may be used to prepare peptide-based reagents suitable for use in a variety of applications. The peptide-based reagents may be used to couple benefit agents to a PMMA polymer surface or may be used to couple a benefit agent comprising a PMMA polymer surface to a target surface, such as a body surface.
Owner:EI DU PONT DE NEMOURS & CO
Pseudothermoplastic, self-crosslinking composites
In the present process, reversibly crosslinking composites or storage-stable prepregs are produced by means of a hetero Diels-Alder reactions (HDA,) for example of PMMA polymers. At slightly elevated temperature, these prepregs can be reversibly decrosslinked again by a retro hetero Diels-Alder reaction so that they become moldable. The back-reaction to products which are again crosslinked or high molecular weight then takes place at room temperature.
Owner:EVONIK DEGUSSA GMBH
Light-conducting component for constructions and buildings and also production process therefor
InactiveUS8997415B2Produced much more quickly and cheaplyEasy to manufactureMechanical apparatusLighting support devicesBrickCasting mold
Owner:CHRISTANDL DIETER +2
Epidural press-on prism and assembling method thereof
InactiveCN105158832AGood resistance to external damageGood anti-pollution abilityPrismsTransmittanceEngineering
An epidural press-on prism comprises an optical surface microstructure, assembling protruding grooves, a material substrate and an epidural protecting layer. The material substrate is a substrate made of a PMMA polymeric material. The light transmittance of the PMMA polymeric material reaches 99%. The upper surface of the material substrate is the optical surface microstructure which adopts a Fresnel optical microstructure. The assembling protruding grooves are arranged around the optical surface microstructure in an encircling way. The bottom of the material substrate is the epidural protecting layer. The invention further provides an epidural press-on prism assembling method. The prism with relatively good capabilities of resisting external pollution has the characteristics of simplified technical process and relatively low assembling difficulties.
Owner:乐孜纯 +2
Method for preparing graphene powder material
The invention relates to a preparation method of a graphene powder material. The preparation method comprises the following steps: (1) growing a vertical graphene array on a copper foil through roll-to-roll plasma chemical vapor deposition equipment by using a special process; (2) dripping a proper amount of PMMA solution on the surface of the copper foil on which the vertical graphene array is grown, uniformly spin-coating the copper foil, and heating in a drying oven for curing; (3) directly and completely stripping the cured vertical graphene PMMA polymer layer from the copper foil by using a mechanical stripping method according to the characteristic of poor binding force between the vertical graphene array and the copper foil; (4) soaking the stripped polymer layer in acetone to completely dissolve PMMA to obtain a graphene sheet suspension; and (5) after filtering and separating the graphene suspended matter, putting the graphene suspended matter into a ball mill or a sand mill to obtain the graphene powder material. The graphene powder material prepared by the preparation method disclosed by the invention has a relatively large lamellar area and relatively high conductivity and heat conductivity coefficient, and can be used as an additive material.
Owner:杭州英希捷科技有限责任公司
Energy storage polymer composite film based on inorganic insulating layer modification and preparation method thereof
PendingCN111850493AImprove insulation performanceHigh strengthVacuum evaporation coatingSputtering coatingComposite filmFilm base
The invention relates to an energy storage polymer composite film based on inorganic insulating layer modification and a preparation method thereof, and belongs to the field of dielectric capacitor energy storage composite materials. The technical problem to be solved is that a polymer medium has low energy storage performance and poor breakdown characteristic. The composite film is composed of apolymer film as an intermediate layer and inorganic insulating layers as a top layer and a bottom layer. The method comprises the steps that a PMMA polymer film is firstly prepared by a casting method, and then dense uniform SiO2 insulating layers with equal thicknesses are deposited and grown on the upper surface and the lower surface of the PMMA polymer film by using a magnetron sputtering method to prepare the energy storage polymer composite film based on the inorganic insulating layer modification. The SiO2 insulating layers are introduced to remarkably improve the energy storage performance of the PMMA polymer thin film, the polymer composite film has higher polarization strength, energy storage efficiency and breakdown field strength, and is expected to serve as a novel material forsolving the difficulty problems of dielectric capacitor application and popularization. The preparation process is low in cost, easy to implement and good in environmental protection.
Owner:HARBIN UNIV OF SCI & TECH
Efficient sun screen
ActiveCN113069381APromote formationExcellent adsorption siteCosmetic preparationsToilet preparationsMicrosphereMaterials science
The invention provides an efficient sun screen. A PMMA polymer microsphere containing two groups -CH2-NH2 and -CO-NH2 is prepared to provide an excellent adsorption site for subsequent zinc oxide deposition so as to conveniently form a PMMA polymer microsphere nucleus and a zinc oxide shell, and an inorganic nuclear shell structure can obviously increase the SPF value and the PA value of sun screen cosmetics.
Owner:百特威(上海)化妆品有限公司
Method for preparing shape-adjustable polyion liquid-based anisotropic composite particles based on seed polymerization method
The invention discloses a method for preparing shape-adjustable polyion liquid-based anisotropic composite particles based on a seed polymerization method. The method comprises the following steps: preparing PMMA polymer seed balls in a reaction solvent through a polymerization method in the presence of an initiator and an emulsifier by taking purified MMA as a polymerization monomer; and dropwise adding an ionic liquid monomer into a PMMA polymer seed ball dispersion liquid, dropwise adding an initiator potassium persulfate aqueous solution after the ionic liquid monomer is fully swelled into the seed balls, uniformly stirring, heating to 70 DEG C, and reacting for 24 hours; According to the method, the morphology of the PMMA-PIL anisotropic composite particles is conveniently regulated and controlled through the simple and convenient method, and the prepared particles with different morphologies can be applied differently according to conditions. The PIL is a functional polymer and can be simply modified through methods such as anion exchange, so that the PIL also has a very positive effect on expanding the application range of the particles.
Owner:LIAONING UNIVERSITY
Graphene transfer method for stripping polymer support material based on alcohol solvent
ActiveCN114195142AImprove transfer efficiencyImprove application efficiencyCarbon compoundsPhotovoltaic energy generationPolymer sciencePolymethyl methacrylate
The invention provides a graphene transfer method for stripping a polymer support material based on an alcohol solvent. The method comprises the following steps: spin-coating a PVP-co-PMMA polymer solution on the graphene surface of a metal substrate, and heating and curing to form a layer of PVP-co-PMMA film; spin-coating a PMMA (polymethyl methacrylate) polymer solution, and heating and curing to form a layer of PMMA film; the metal substrate is removed, and PMMA / PVP-co-PMMA / graphene is obtained; washing with water, and adhering with a target substrate to obtain a PMMA / PVP-co-PMMA / graphene / target substrate; the PVP-co-PMMA film is soaked and dissolved in an alcohol solvent, the PMMA film falls off, and graphene transfer is completed. According to the method, graphene can be transferred to a special material which can be damaged by acetone, and the defect that a polymer material supports graphene transfer is overcome; and PMMA is not left, so that the transfer efficiency and the application efficiency of graphene are improved.
Owner:香港城市大学深圳研究院
A kind of preparation method of graphene field effect transistor biosensor
ActiveCN104535635BKeep Superior PerformanceImprove cleanlinessMaterial analysis by electric/magnetic meansPolymethyl methacrylateSingle layer graphene
Owner:HUBEI UNIV OF CHINESE MEDICINE
Preparation method of sunscreen microspheres
ActiveCN113057896APromote formationExcellent adsorption siteCosmetic preparationsToilet preparationsMicrosphereMaterials science
The invention provides a preparation method of sunscreen liquid microspheres. PMMA polymer microspheres containing- CH2-NH2 and -CO-NH2 groups are prepared, so excellent adsorption sites are provided for subsequent zinc oxide deposition, PMMA polymer microsphere cores and zinc oxide shells are convenient to form, and the SPF value and the PA value of sunscreen cosmetics can be remarkably increased through the inorganic core-shell structure.
Owner:JIANGXI YONGTONG TECH
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com