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206results about How to "Solve Adhesion Problems" patented technology

Highly wearable vacuum coating ultraviolet curing coatings

ActiveCN101157808AImprove adhesionImproved RCA wear performancePolyurea/polyurethane coatingsWear resistantLacquer
The invention relates to the electronic application-coating field, in particular to uv-curing coating with high wearing resistance and vacuum coating. The compositions and contents of the invention are: 10 wt percent to 30 wt percent of difunctional group polyurethane acrylate, 10 wt percent to 40 wt percent of high functional group polyurethane acrylate, 5 wt percent to 20 wt percent of high functional group acrylate monomer, 0 wt percent to 15 wt percent of monofunctional group acrylate monomer, 1 wt percent to 10 wt percent of acid adhesive promoter, 1 wt percent to 6 wt percent of photoinitiator, 0 wt percent to 5 wt percent of nano wearing resistance materials, 0.1 wt percent to 2 wt percent of additive and 10 wt percent to 50 wt percent of solvent. The invention is designed for providing surface protection for vacuum coating parts of electric products such as mobile phone, MP3, and digital camera, etc., and is characterized by good surface effect, good performances of ultrawear-resistance, high temperature and humidity resistance, anti-cold thermal cycling and anti-yellowing, etc., wherein, RCA wear can be up to more than 1500 times, which can effectively improve the service life of electric products. The invention effectively enhances the adhesion and wearing resistant performance of the uv-curing and vacuum coating dope, solves the matching problem of the bottom and surface lacquer of the uv-curing and vacuum coating dope, and has broad university.
Owner:HUNAN SOKAN NEW MATERIAL

Electromagnetic shielding coating material and preparation method thereof

The invention provides an electromagnetic shielding coating material. The electromagnetic shielding coating material comprises 40-70% of liquid metal, 10-40% of a conductive filler, 5-15% of a magnetic shielding filler, 0.5-2% of a coupling agent, 1-10% of a binder, 0.5-2% of a toughening material and 0.5-2% of a wetting dispersing agent, wherein the liquid metal is low-melting-point metal with the melting point of 300 DEG C or below or a conductive nanofluid formed by mixing low-melting-point metal nanoparticles with a fluid dispersant. For the first time, the concept of taking the liquid metal as a conductive auxiliary binder and a conductive auxiliary flow aid is put forward and implemented, and the liquid metal replaces a non-conductive solvent and a non-conductive binder to form the electromagnetic shielding coating material system. Besides, the electromagnetic shielding coating material neither contains any toxic or harmful substances nor produce any volatile organics, is high infilm forming speed, has the characteristics of being safe and environmentally friendly, convenient to construct and low in cost, and can be widely applied to a plurality of fields including militaryscience, electronics, aerospace, buildings and the like.
Owner:BEIJING DREAM INK TECH CO LTD

Building inner and outer wall decorating plate and manufacturing method thereof

ActiveCN102425284ASolve Adhesion ProblemsSolve the problems of transfer printing technologyCovering/liningsPretreated surfacesCalcium silicateCross-link
The invention discloses a method for building inner and outer wall decorating plate, which comprises two flows, each flow including steps of: a primer line processing flow: (1) thickness sanding and dedusting, (2) roller painting back seal coat and curing into a first UV seal coat layer, (3) roller painting UV penetrant twice, (4) leveling by infrared ray, (5) coating UV putty at the front and UV curing and generating a UV putty layer, (6) roller painting the UV seal coat for three times and respectively curing and generating three second UV seal coat layers, (7) fine sanding; and a roller painting finish line flow: (1) dedusting, (2) roller painting UV glue and generating a first UV glue layer, (3) coating the UV finish for five times and curing and generating five UV finish layers. The decorating plate can solve the problems that a UV curing penetrating agent is strongly, quickly and deeply penetrated into a fiber reinforced calcium silicate slab or a fiber cement slab, deeply cured to form a film and subjected to stereo chemical netlike cross-linking reaction with UV putty and UV sealing paint, and thoroughly solves the problem of adhesive force between the decorative surface layer and a substrate.
Owner:山东鲁泰装配式装修材料有限公司

Method for making flexible, transparent and conductive film made of metal nanowires

The invention provides a method for making a flexible, transparent and conductive film made of metal nanowires, and belongs to the technical field of conductive film materials. A layer of metal nanowire film is made on a rigid plane substrate according to a solution processing method, then a layer of transparent and flexible substrate is made on the metal nanowire film according to the solution processing method, and finally the flexible substrate with the metal nanowires on the surface is removed from the plane substrate to form the flexible, transparent and conductive film made of the metal nanowires. Compared with a traditional flexible, transparent and conductive film made of metal nanowires directly on a flexible substrate, the flexible, transparent and conductive film made of the metal nanowires through the method has the advantages of being high in surface flatness, large in adhesion force and the like and effectively solving the problems that a flexible, transparent and conductive film made of metal nanowires is large in roughness and small in adhesion force. The flexible, transparent and conductive film made of the metal nanowires has the potential of being applied in the fields of photoelectric devices like film solar cells and organic light-emitting diodes.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Superhydrophilic/underwater superoleophobic coating material and preparation method thereof

The invention relates to a superhydrophilic / underwater superoleophobic coating material and a preparation method thereof. The coating material is composed of a primer layer and a finish coat layer, wherein the primer layer is mainly composed of a hydroxy acrylic resin and a curing agent thereof; the finish coat layer is composed of polyvinyl alcohol and nanoparticles; and the curing agent in the primer can produce chemical crosslinking reaction with the polyvinyl alcohol. The preparation method comprises the following steps: applying the primer layer on the substrate surface; applying the finish coat layer, and precrosslinking by drying at room temperature or low temperature to initiate the chemical bonding between the primer layer finish coat layer; soaking the coating in a crosslinking agent water solution for some time; and taking the coating out of the crosslinking agent water solution, and sufficiently curing the primer layer by drying at room temperature or high-heat treatment. The coating material obtained by the method has a gradient micro / nano structure surface, and has the advantages of outstanding superhydrophilicity and underwater superoleophobicity, high binding force with the substrate and favorable transparency. The coating material can be used as an antifogging coating, and can also be used as a self-cleaning antifouling coating on the surface of an underwater facility.
Owner:FUDAN UNIV

Roller coating machine

The invention relates to a roller coating machine. Workpieces needing to be coated are pushed into a material turnover frame of a material turnover mechanism; the material turnover mechanism rotates the material turnover frame; the workpieces are turned and are poured into a material blocking hopper; the workpieces are conveyed to a material storage hopper of a discharge mechanism by a discharge conveying machine; the workpieces are lifted by the discharge mechanism, then are arranged in order and roll into a vibration transmission rack according to a certain rule; the workpieces are conveyed to a synchronous material-pushing mechanism; the workpieces arranged tidily are pushed to a V-shaped groove of a synchronous material-loading mechanism by the synchronous material-pushing mechanism; the workpieces are subjected to position adjustment by the synchronous material-loading mechanism and then are pushed to a material hanging mechanism on a workpiece transmission rack; the material hanging mechanism drives the workpieces and feeds them into an automatic glue-rolling device; a glue liquid is uniformly roll-coated on the surfaces of the workpieces by the automatic glue-rolling device; the workpieces coated with the glue liquid are fed to an unloading mechanism by the workpiece transmission rack; and the workpieces coated with the glue liquid are fed to a material receiving hopper by the unloading mechanism, then are fed into a workpiece delivery wagon and then are output. The roller coating machine adopts a roll-coating technology to realize workpiece surface treatment, is efficient, saves energy, is environmentally friendly and is suitable for large-scale glue-rolling of tubular workpieces.
Owner:WUXI HUANENG SURFACE TREATMENT

Fluorine-containing nanoparticles with high dispersibility and bonding property and superamphiphobic surface

The invention discloses fluorine-containing nanoparticles with high dispersibility and bonding property and a superamphiphobic surface prepared from the nanoparticles. The fluorine-containing nanoparticles with high dispersibility and bonding property are prepared by the steps of grafting a fluorine-containing polymer with an upper terminal group to be a compound D on the surfaces of the nanoparticles, and reacting an epoxy resin polymer with a terminal group to be a compound A with the fluorine-containing polymer through a heat-breaking Diels-Alder reaction. The superamphiphobic surface disclosed by the invention is prepared by the steps of dispersing the fluorine-containing nanoparticles with high dispersibility and bonding property in a low-boiling-point fluorine-free solvent, uniformly mixing with an epoxy resin curing agent, carrying out spray coating on the surface of a substrate material, and carrying out vacuum drying. According to the fluorine-containing nanoparticles disclosed by the invention, the epoxy resin polymer with high dispersibility is introduced, as the epoxy functional group contained in the dispersing polymer can take place a curing reaction with the epoxy group by using the epoxy resin curing agent in the solvent to fix the fluorine-containing nanoparticles on the surfaces of most substrates, the bonding problem of the fluorine-containing nanoparticles on the substrate surface is solved.
Owner:中科瑞丽分离科技无锡有限公司

Functional fluorine-containing microsphere and self-cleaning surface built by same

The invention discloses a functional fluorine-containing microsphere and a self-cleaning surface built by the same. The high-dispersibility high-adhesion fluorine-containing microsphere disclosed by the invention is prepared by using the following method steps: reacting microspheres and a base amine catalyst with alpha-halogenated acyl bromide or alpha-halogenated acyl chloride to obtain a microsphere the surface of which is grafted with ATRP (atom transfer radical polymerization) initiator; carrying out ATRP random copolymerization or segmented polymerization reaction on the microsphere the surface of which is grafted with ATRP initiator, a monomer F and a monomer D so as to obtain a monomer D polymer microsphere, wherein the surface of the monomer D polymer microsphere is grafted with the monomer F and can perform D-A reaction; and reacting the monomer D polymer microsphere with an epoxy resin type polymer the terminal group of which is a compound A to obtain the fluorine-containingmicrosphere having high dispersibility and high adhesion. The self-cleaning surface disclosed by the invention is obtained by dissolving the fluorine-containing microsphere having high dispersibilityand high adhesion into a low-boiling-point solvent, then adding an epoxy resin solidifying agent E for evenly mixing and spraying a mixture on the surface of a substrate material and drying in vacuum. According to the invention, the use of a fluorine-containing solvent is avoided in the self-cleaning surface, and the obtained self-cleaning surface has strong adhesion on the surface of the substrate material.
Owner:GUANGZHOU CHEM CO LTD CHINESE ACADEMY OF SCI

Preparation method of composite transparent conductive film of metal nanowires and metallic oxides

The invention provides a preparation method of a composite transparent conductive film of metal nanowires and metallic oxides. The preparation method is characterized in that mixed solution of the metal nanowires and the metallic oxides is prepared by mixing metal nanowire solution and metallic oxide solution in different proportions, and then the composite transparent conductive film of the metal nanowires and the metallic oxides is prepared on a rigid or flexible planar substrate by a solution processing method. Compared with a metal nanowire transparent conductive film prepared by the metal nanowire solution individually, the composite transparent conductive film of the metal nanowires and the metallic oxides has the advantage of high surface evenness, strong adhesive force, good environmental stability and the like; and the problems of low surface evenness, weak adhesive force, poor environmental stability of the metal nanowire transparent conductive film are solved effectively. The composite transparent conductive film of the metal nanowires and the metallic oxides has application potential in the field of photoelectric devices of film solar cells, organic light-emitting diodes and the like.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Antimicrobial coated resin lens and manufacturing method thereof

The invention discloses an antimicrobial coated resin lens and a manufacturing method thereof. The manufacturing method of the antimicrobial coated resin lens is characterized by including steps: 1, manufacturing a wear-resistant hardening layer on the surface of a resin lens by adopting dip-coating technology; 2, plating an antireflection film layer on the surface of the wear-resistant hardening layer by adopting vacuum sputtering coating technology and ion source assisted coating technology; 3, plating an antimicrobial layer on the surface of the antireflection film layer by adopting the vacuum sputtering coating technology and the ion source assisted coating technology; 4, plating an adhesive layer on the surface of the antimicrobial layer by adopting the vacuum sputtering coating technology and the ion source assisted coating technology; 5, continuing adopting the vacuum sputtering coating technology for plating a top wear-resistant layer on the surface of the adhesive layer. The manufacturing method of the antimicrobial coated resin lens adopts the vacuum sputtering coating technology and the ion source assisted coating technology, and thereby increases adhesion stress among all the film layers, and achieves the purpose of enabling obtained glasses products to not only keep original performance of the antireflection film layer, but also have long-term effective excellent antibacterial performance.
Owner:SHANGHAI CONANT OPTICS CO LTD

Composite emulsion for water-based plastic base paint and preparation method of composite emulsion

The invention discloses composite emulsion for water-based plastic base paint and a preparation method of the composite emulsion. The composite emulsion is prepared by blending water-based room temperature self-crosslinked polyacrylate copolymer emulsion with high adhesive force and polyacrylate copolymer emulsion of water-based core-shell structure with high drying speed and high hardness, wherein both the water-based room temperature self-crosslinked polyacrylate copolymer emulsion and the polyacrylate copolymer emulsion of the water-based core-shell structure are emulsion with core-shell structures prepared by adopting a seminal emulsion polymerization method. The raw materials have low price, the synthesis method is simple, the reaction conditions are mild, synthesis of the material can be finished in a reaction vessel, and the method has wide applicability. The composite emulsion for the water-based plastic base paint can have high adhesive force with multiple plastic base materials, and has high drying speed and good paint film performance. The composite emulsion for the water-based plastic base paint can be used for the plastic base materials, can also be used for substances which cannot be baked at a high temperature such as woodenware and the like, and has energy conservation in application and good performance.
Owner:HUAZHONG UNIV OF SCI & TECH +1

Device and method for continuously coating fiber with metallic conductive function film through magnetron sputtering

The invention discloses a device and a method for continuously coating a fiber with a metallic conductive function film through magnetron sputtering, and belongs to the field of vacuum film coating. The method comprises the following steps: winding fiber filaments around an unwinding device; putting the unwinding device into a vacuum chamber for filament moving; cleaning and roughening the fiber filaments unwound by the unwinding device through a plasma cleaning device repeatedly in parallel; performing film coating on the cleaned fiber filaments through an auxiliary plasma film coating device and a rectangular magnetron sputtering target repeatedly in parallel; winding the film-coated fiber filaments around a winding device so as to complete film coating. During cleaning and surface roughening through the plasma cleaning device, introduced gas is mixed gas of oxygen and argon, oily substances on the fiber are decomposed, and meanwhile, the surface of the fiber is roughened to increase the adhesion force of the film. The auxiliary plasma film coating device is used for increasing the adhesion force of the film through ion bombardment. According to the device and the method, the defects of pollution, high operation cost, poor adhesion force and the like in the prior art are overcome. The device and the method have the advantages of uniform coating, impurity elimination, high adhesion force and the like.
Owner:BEIJING UNIV OF TECH
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