40results about How to "Anti-fog" patented technology

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.

The invention discloses a curved screen and flat panel display module full-lamination method, which comprises the following steps: designing and manufacturing a frame, fixing a frame-pasting curved screen and the frame through a positioning fixture, injecting liquid optical cement, putting a flat panel liquid crystal display module, fixing through the positioning fixture to form an integrated screen, putting the positioning fixture and the integrated screen into a heating device and carrying out heating curing, removing the positioning fixture and the integrated screen out of the heating device after completing the above steps, dismounting the positioning fixture, removing spilled cement residue at the edge of the frame and completing lamination. The invention also discloses a curved screen and flat panel display module full-laminated integrated screen prepared according to the above processing method. By arranging the frame between the curved screen and the flat panel liquid crystal display module, lamination of a curved-surface product is converted into traditional flat-panel type lamination. The operation steps are simple. Investment in equipment and fixture is less. Batch production is convenient to realize.

The invention relates to a measuring device for monitoring space relative deformation caused by space relative movement of an upper disc and a lower disc of an in-situ rock joint plane in the wild. The measuring device consists of an upper fixing rod, an upper fixing screw bolt, an upper telescopic rod, an upper fixed regulating screw bolt, an upper regulating rod, an upper connecting seat, an upper locking screw bolt, a lower fixing rod, a lower fixing screw bolt, a lower telescopic rod, a lower fixed regulating screw bolt, a lower regulating rod, a lower connecting seat, a lower locking screw bolt, a normal displacement measuring rod, a telescopic spring, an outer sleeve, rolling balls, a sealing cap, a dial and a support rod through assembling connection. The device is respectively fixed with the upper disc rock and the lower disc rock of the joint plane through the upper fixing rod and the lower fixing rod, in addition, the normal displacement measurement is realized through the telescopic effect of the normal displacement measuring rod, and the plane deformation measurement is realized through the movement of the lower end part of a normal deformation measuring rod on the dial, so the measurement on the space relative deformation between the upper disc and the lower disc of the joint plane can be realized, and the measuring device has the advantage that the space relative deformation value of the upper disc and the lower disc of the rock joint plane is directly obtained.

The invention discloses an anti-fog optical resin lens and its preparation method. The lens comprises the following elements arranged in sequence: a resin lens substrate, a stiffened film layer, a penetration increasing and reflection reducing film layer, a connecting adhesive layer and an anti-fog film layer. The method further discloses a preparation method for the anti-fog optical resin lens, and the method comprises the following steps: conducting ultrasonic cleaning to the resin lens substrate; using an immersing and coating manner to plate for the stiffened film layer; under the vacuumed condition, plating on the stiffened layer the penetration increasing and reflection reducing film layer; and finally, coating the connecting adhesive layer onto the penetration increasing and reflection reducing film layer; and adhering the anti-fog film layer. The anti-fog film layer is prepared from a high-molecular hydrophilic film. According to the anti-fog optical resin lens of the invention, the optical transparent adhesive tape is used to have a penetration increasing and reflection reducing film layer and a high-molecular hydrophilic film adhered together, which means that without undermining the original functions of the resin lens, the penetration rate of the resin lens is increased while the reflection rate is reduced and that the lens has an anti-fog function.

The invention relates to a long-acting super-hydrophilic polysilazane coating and a preparation method thereof. The preparation method comprises the following steps of: coating a polysilazane solutionon the surface of a base material; performing photocuring or photo-thermal curing to form a polysilazane coating; and coating or soaking the surface of the polysilazane coating by a surface treatingsolution, and then, performing thermal treatment. The obtained coating has a contact angle smaller than 5 degrees between a water drop and the surface, is in a spreading-out and adhering state, and easily penetrates into the bottom of dirt or the oil strain for floating and washing away the dirt and the oil strain, so that the self-cleaning effect is achieved, and mechanical and chemical stabilityis good. The coating disclosed by the invention has a self-cleaning function and an anti-fog function, and has a wide application prospect in aspects of buildings, kitchen appliances, solar cell panels, outdoor cultural relics, and the like.

The invention relates to modified nano SiO2 sol, a preparation method for the modified nano SiO2 sol and an application method of the modified nano SiO2 sol on automobile glass. The preparation method for the modified nano SiO2 sol comprises the following basic steps in sequence: 1, respectively preparing sol solution containing 30-80nm of SiO2 granules and sol solution containing 100-200nm of SiO2 granules at certain temperature under the concentration of host crystal by a sol-gel process; 2, adding resin of a proper proportion to the prepared sol solution containing 100-200nm of SiO2 granules in the step 1 and stirring to perform coating; 3, cleaning and activating the surface of the glass and baking within a range of 100-200 DEG C by adopting the infrared technology; 4, forming a resin-coated SiO2 film of 100-200nm at one side of the surface of the glass, and forming a mixed SiO2 sol film with different grain diameters of 30-80nm and 100-200nm at the other side by adopting a certain film plating mode; and baking for 60-120 minutes at the temperature of 50-120 DEG C; and 5, modifying the surface of the film-plated glass by adopting a fluorine-contained modifier, and baking for 20-90 minutes at the temperature of 60-100 DEG C.

The invention relates to agricultural polyvinyl chloride shed film exclusively used for the fruit trees, which can adjust the transmitted spectrum of the sunlight in the greenhouse, promote the photosynthesis of the fruit trees, and improve the fruit quality and output. Polyvinyl chloride resin is taken as the basal body of the agricultural polyvinyl chloride shed film exclusively used for the fruit trees, plasticizer, heat stabilizer, ultraviolet absorber, compound dripless agent, organosilicon antifogging agent, hindered amine light stabilizer and light conversion agent, etc. are added in the basal body, and then the agricultural polyvinyl chloride shed film exclusively used for the fruit trees is prepared through the production process steps of reducing and tentering, etc. The invention can overcome the deficiency that the polyvinyl chloride film is produced by utilizing the ultraviolet absorber as the light stabilizer, during the novel polyvinyl chloride function film production, a method that the hindered amine light stabilizer and the light conversion agent with reasonable compounding ratio are added is adopted, to ensure that the light transmittance of the film is improved in a certain wavelength range, to play the effect on promoting the fruit coloring of the fruit tree in the shed.

The invention discloses waterborne resin antifogging coating special for films and an antifogging film. The waterborne resin antifogging coating comprises a first composition and a second composition,wherein the first composition comprises waterborne polyester resin, a cosolvent, a solvent, a catalyst, a curing agent and a wetting agent; the second composition comprises a hydrophilic component cosolvent, a solvent, a catalyst, a curing agent and a wetting agent. The antifogging film is coated with the coating above. The waterborne resin antifogging coating has the advantages that the antifogging coating is colorless and transparent and has extremely high light transmittance; the waterborne polyester resin and the hydrophilic component in the antifogging coating are chemically crosslinkedvia the curing agents, so that the coating layer formed by the antifogging coating and a film base material have lasting antifogging performance, water resistance and wear resistance.

The invention discloses a multi-layer co-extrusion production technology for a bidirectional tensile polyethylene antibacterial anti-fogging film, and belongs to the field of films. According to the multi-layer co-extrusion production technology for the bidirectional tensile polyethylene antibacterial anti-fogging film, high production speed and high yield can be achieved, meanwhile, the film produced by the technology has the anti-fogging performance and the high mechanical and optical performance. In the production process, homogenizing diaphragm balls can be distributed at the inner walls of closer die heads in an attached mode and moved downwards, a homogenizing distributor is heated while the balls pass through the homogenizing distributor, and therefore an interlayer can be formed between an inner extrusion material and an outer extrusion material, and a transparent static electricity eliminating layer is formed between an outer surface layer and a secondary surface layer of theformed film. On one hand, static electricity of the finished film can be effectively eliminated so that use can be convenient. On the other hand, the connecting strength between the outer surface layer and the secondary surface layer can be effectively improved through the transparent static electricity eliminating layer, the mechanical property can be remarkably improved, and meanwhile the optical performance of the film can be effectively improved.

The invention provides an optical material used in a full bonding process, comprising an optical layer, the optical layer has a first surface and a second surface opposite to the first surface, and the first surface of the optical layer is provided with a second surface. An optical adhesive film layer, a second optical adhesive film layer is provided on the second surface of the optical layer, and protective films are pasted on the outer surfaces of the first optical adhesive film layer and the second optical adhesive film layer. The optical material of the present invention has high refractive index and high light transmittance, can guarantee the brightness of the display when used in the full bonding process, has better display performance, and can also play the role of dustproof, antifog, bubble and drop resistance. The fully laminated products processed by this method have the advantages of simple processing process, high alignment accuracy, less air bubbles in product lamination, and high yield rate. The present invention can realize the full lamination process of LCM with metal frame on the existing full-automatic solid-state laminating machine, without the need of modification or development of new equipment, and can reduce the cost.

The invention relates to a hollow nanoparticle composite antifogging film and a preparation method thereof. The hollow nanoparticle composite antifogging film comprises hollow nanoparticles and a high-polymer antifogging material, wherein the hollow nanoparticles and high-polymer antifogging material are compounded to form the antifogging film. The method comprises the following steps: (1) preparing the hollow silicon dioxide nanoparticles by a hydrothermal process; (2) mixing the obtained hollow silicon dioxide nanoparticles with an acrylate resin and other components to obtain a composite antifogging coating liquid; (3) forming a hollow nanoparticle composite high-polymer antifogging coating on a glass surface; and (4) curing to form the antifogging film. The coating compounded from the hollow silicon dioxide nanoparticles and hydrophilic high-polymer resin can form a compact and enduring antifogging film on the glass surface, thereby enhancing the antifogging effect. The hollow silicon dioxide nanoparticles have excellent heat insulation property, thereby greatly enhancing antifogging performance of the high-polymer hydrophilic antifogging film.

The invention discloses a self-cleaning glass, including a glass substrate and a titanium dioxide layer arranged on the glass substrate. The titanium dioxide layer comprises titanium dioxide nanotubes vertical to the glass substrate, wherein the titanium dioxide nanotubes have length of 500-3500 nm, wall thickness of 10-35 nm, and aperture of 10-80nm, the distance between the centers of the two adjacent titanium dioxide nanotubes is 60-130nm, and the titanium dioxide nanotubes have sn anatase crystal structure. The self-cleaning glass provided by the invention has excellent light transmittance, photocatalytic performance and self-cleaning performance, can be widely used in industries with light transmission requirements to play the roles of light transmission, dust resistance and fog resistance, and has good application prospects. The invention also discloses a preparation method of the self-cleaning glass, and the method combines the magnetron sputtering method, anodic oxidation and annealing process. The method of the invention is easy to implement, strong in operability, and easy for mass production.

The invention belongs to the field of biomedical polymer materials, and discloses a preparation method and application of a bionic high-adhesion long-acting antibacterial antifogging agent. The antifogging agent is prepared by the steps that firstly, a hydrophilic bionic high-adhesion polymer is prepared, then the hydrophilic bionic high-adhesion polymer coats a surface to be treated through a solution of the hydrophilic bionic high-adhesion polymer, so as to inhibit surface fogging and bacterium breeding. A hydrophilic bionic high-adhesion polymer solution is prepared by controlling key raw materials, a flow process and the like of the antifogging agent, and the hydrophilic bionic high-adhesion polymer solution can be used as a long-acting antibacterial antifogging agent for antifogging and antibacterial treatment on the surfaces of medical goggles lenses and the like, has good biological safety, and can effectively inhibit fogging and bacterium breeding on the surfaces of the goggles.

The invention relates to agricultural polyvinyl chloride shed film exclusively used for the fruit trees, which can adjust the transmitted spectrum of the sunlight in the greenhouse, promote the photosynthesis of the fruit trees, and improve the fruit quality and output. Polyvinyl chloride resin is taken as the basal body of the agricultural polyvinyl chloride shed film exclusively used for the fruit trees, plasticizer, heat stabilizer, ultraviolet absorber, compound dripless agent, organosilicon antifogging agent, hindered amine light stabilizer and light conversion agent, etc. are added in the basal body, and then the agricultural polyvinyl chloride shed film exclusively used for the fruit trees is prepared through the production process steps of reducing and tentering, etc. The invention can overcome the deficiency that the polyvinyl chloride film is produced by utilizing the ultraviolet absorber as the light stabilizer, during the novel polyvinyl chloride function film production, a method that the hindered amine light stabilizer and the light conversion agent with reasonable compounding ratio are added is adopted, to ensure that the light transmittance of the film is improved in a certain wavelength range, to play the effect on promoting the fruit coloring of the fruit tree in the shed.

The invention provides a respiration purifying health-care and protection hood device. The respiration purifying health-care and protection hood device comprises a transparent mask, a head cover and aneck snood, wherein the transparent mask is fixedly installed on a purifying sheath; the head cover is fixedly installed on the purifying sheath; and the neck snood is fixedly installed at the bottomof the head cover. According to the respiration purifying health-care and protection hood device, the advantages that communication is convenient, matching is comfortable, and harm is reduced are achieved.

The invention discloses a multi-layer co-extrusion production process of a biaxially stretched polyethylene antibacterial and anti-fog film, which belongs to the field of films. The multi-layer co-extrusion production process of a biaxially oriented polyethylene anti-bacterial and anti-fog film can realize high production speed and output , at the same time, the film produced by this process has anti-fogging properties and high mechanical and optical properties. When the homogenization distributor is heated, a layer of interlayer can be formed between the inner extruded material and the outer extruded material, so that a transparent antistatic layer is formed between the subsurface layer and the outer layer of the formed film , on the one hand, it can effectively eliminate the static electricity of the finished film, and it is easy to use. On the other hand, the connection strength between the subsurface layer and the outer layer can be effectively improved through the transparent antistatic layer, and its mechanical properties can be significantly improved. At the same time, it can effectively improve optical properties of the film.

The invention discloses a solar reflective condensation panel. The solar reflective condensation panel comprises a composite panel which is a paraboloid panel, wherein the composite panel comprises a plurality of composite layers, a metal net is arranged between each two adjacent composite layers, the concave surface of the composite panel is provided with a reflective layer of which the outer side face is provided with a protective film, each composite layer is made of the following components in percentage by mass: 20-30 percent of resin, 50-60 percent of glass fiber and 10-30 percent of carbon fiber, the sum of the percentages of all the components is 100 percent, the reflective layer is 30-50nm thick and is an aluminium film, and the protective film is 5-20nm thick and is a TiO2 film. Therefore, the solar reflective condensation panel has the following beneficial effects that the composite panel is not likely to expand and contract due to temperatures, the tensile resistance and the fatigue resistance are high, the weight is light, and the service life is long; the surface of the solar reflective condensation panel has self-cleaning decontamination and antifogging performances, so that the good reflectivity is kept.

The invention discloses a titanium dioxide plastic film and a processing method thereof. The titanium dioxide plastic film comprises a macromolecule plastic film, a pure aluminum film layer covering the surface of the macromolecule plastic film, an aluminum oxide film layer of a porous structure generated through oxidation treatment over the surface of the pure aluminum film layer, and a titaniumdioxide film layer depositing on the surface of the aluminum oxide film layer. According to the titanium dioxide plastic film, the pure aluminum film layer is arranged on the plastic film, the pure aluminum film layer generates the aluminum oxide film layer of the porous structure, thus, the titanium dioxide film layer of the nanometer scale and the porous structure is formed on the plastic film,and the titanium dioxide plastic film material with good adhesive force and flexibility is obtained.

The invention relates to modified nano SiO2 sol, a preparation method for the modified nano SiO2 sol and an application method of the modified nano SiO2 sol on automobile glass. The preparation method for the modified nano SiO2 sol comprises the following basic steps in sequence: 1, respectively preparing sol solution containing 30-80nm of SiO2 granules and sol solution containing 100-200nm of SiO2 granules at certain temperature under the concentration of host crystal by a sol-gel process; 2, adding resin of a proper proportion to the prepared sol solution containing 100-200nm of SiO2 granules in the step 1 and stirring to perform coating; 3, cleaning and activating the surface of the glass and baking within a range of 100-200 DEG C by adopting the infrared technology; 4, forming a resin-coated SiO2 film of 100-200nm at one side of the surface of the glass, and forming a mixed SiO2 sol film with different grain diameters of 30-80nm and 100-200nm at the other side by adopting a certain film plating mode; and baking for 60-120 minutes at the temperature of 50-120 DEG C; and 5, modifying the surface of the film-plated glass by adopting a fluorine-contained modifier, and baking for 20-90 minutes at the temperature of 60-100 DEG C.

To prepare an agricultural film used for lining or outer covering for greenhouse cultivation, tunnel cultivation, or the like, and having excellent anti-fogging properties and moisture permeability. This agricultural film is characterized as having a plurality of micropores obtained by perforation processing of a thermoplastic resin film with a needle having spiny projections. The thermoplastic resin film having the plurality of micropores is characterized in that the shape of the micropores has a spiny form having the spiny parts. The film having the plurality of the micropores is characterized in that the total light transmittance of the film at 555 nm is preferably >=70%.

The invention discloses a self-cleaning glass, comprising a glass substrate and a titanium dioxide layer arranged on the glass substrate, the titanium dioxide layer is composed of titanium dioxide nanotubes perpendicular to the glass substrate, the tube length of the titanium dioxide nanotube is 500-3500nm, and the tube wall thickness It is 10-35nm, the aperture is 10-80nm, the distance between the centers of the two apertures between two adjacent titanium dioxide nanotubes is 60-130nm, and the crystal structure of the titanium dioxide nanotube is anatase structure. The self-cleaning glass of the invention has very excellent light transmittance, photocatalytic property and self-cleaning performance, can be widely used in industries requiring light transmittance, achieves the purpose of light transmittance, dustproof and antifogging, and has good application prospect. The invention also discloses a preparation method of self-cleaning glass, which combines magnetron sputtering, anodic oxidation reaction and annealing process.

The invention discloses an anti-fog optical resin lens and its preparation method. The lens comprises the following elements arranged in sequence: a resin lens substrate, a stiffened film layer, a penetration increasing and reflection reducing film layer, a connecting adhesive layer and an anti-fog film layer. The method further discloses a preparation method for the anti-fog optical resin lens, and the method comprises the following steps: conducting ultrasonic cleaning to the resin lens substrate; using an immersing and coating manner to plate for the stiffened film layer; under the vacuumed condition, plating on the stiffened layer the penetration increasing and reflection reducing film layer; and finally, coating the connecting adhesive layer onto the penetration increasing and reflection reducing film layer; and adhering the anti-fog film layer. The anti-fog film layer is prepared from a high-molecular hydrophilic film. According to the anti-fog optical resin lens of the invention, the optical transparent adhesive tape is used to have a penetration increasing and reflection reducing film layer and a high-molecular hydrophilic film adhered together, which means that without undermining the original functions of the resin lens, the penetration rate of the resin lens is increased while the reflection rate is reduced and that the lens has an anti-fog function.

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.

The invention discloses an optical functional multi-conversion plastic greenhouse composite thin film and a preparation method thereof. The optical functional multi-conversion plastic greenhouse composite thin film is prepared from the following components in parts by weight: 50 parts of plastic thin film, 10 to 20 parts of plastic powder, 10 to 30 parts of long-persistence material, 1 to 10 parts of photothermal conversion material, 1 to 5 parts of photocatalytic sterilizing agent and 1 to 5 parts of additive; wherein the optical functional multi-conversion plastic greenhouse composite thin film is prepared from the plastic thin film by adopting surface powder filler modification, and the surface powder filler modification refers to uniformly mix the components except the plastic thin film and then carry out composite forming on the plastic thin film through a hot-pressing technology. The optical functional multi-conversion plastic greenhouse composite thin film disclosed by the invention is used for a greenhouse, and compared with a common greenhouse, the temperature is increased by 2 to 3 DEG C in winter; photosynthesis of plants can be promoted through natural illumination strength reinforcement and delaying, and production increment and early maturing of the plants are realized; the morbidity of powdery mildew, black spot and the like in a damp greenhouse can be reduced through the bactericidal effect of the optical functional multi-conversion plastic greenhouse composite thin film, the usage of pesticide is reduced, and multiple effects of green, energy-saving, environment-friendly and production-increasing are realized by greenhouse planting.

The invention discloses a method for preparing a hydrophobic coating film with high light transmittance for photovoltaic glass, comprising the following steps: (1) mixing a silicon source with an organic solvent, performing a sol-gel reaction in acid catalysis to obtain a mixed sol A (2) Add organosiloxane and surfactant to mixed sol A, and carry out secondary sol-gel reaction under stirring to obtain mixed sol B; (3) age mixed sol B, then coat and heat treatment to obtain the obtained the hydrophobic coating. The present invention prepares coating film precursor (namely mixed sol B) by two-step sol-gel method and preferred organic solvent, the film obtained after coating has high hydrophobicity and high light transmittance, also has anti-fog performance, can improve Improve the light transmittance of solar photovoltaic glass and improve the photoelectric conversion efficiency of solar cells.

The invention discloses waterborne resin antifogging coating special for films and an antifogging film. The waterborne resin antifogging coating comprises a first composition and a second composition,wherein the first composition comprises waterborne polyester resin, a cosolvent, a solvent, a catalyst, a curing agent and a wetting agent; the second composition comprises a hydrophilic component cosolvent, a solvent, a catalyst, a curing agent and a wetting agent. The antifogging film is coated with the coating above. The waterborne resin antifogging coating has the advantages that the antifogging coating is colorless and transparent and has extremely high light transmittance; the waterborne polyester resin and the hydrophilic component in the antifogging coating are chemically crosslinkedvia the curing agents, so that the coating layer formed by the antifogging coating and a film base material have lasting antifogging performance, water resistance and wear resistance.