64results about How to "Improve light reflection effect" patented technology

Provided is a curable epoxy resin composition which can be cured into a cured product that has high light reflectivity, excellent heat resistance and light resistance and high stiffness and rarely undergoes the deterioration in light reflectivity over time. This curable epoxy resin composition is: a curable epoxy resin composition characterized by comprising an alicyclic epoxy compound (A), a monoallyl diglycidyl isocyanurate compound (B) represented by formula (1), a white pigment (C), a curing agent (D) and a curing accelerator (F); or a curable epoxy resin composition characterized by comprising an alicyclic epoxy compound (A), a monoallyl diglycidyl isocyanurate compound (B) represented by formula (1), a white pigment (C) and a curing catalyst (E). [In the formula, R1 and R2 independently represent a hydrogen atom or an alkyl group having 1 to 8 carbon atoms.]

The invention relates to a method for manufacturing grain patterns on a plate, which comprises: (1) the grain patterns to be manufactured are manufactured on an initial mould; (2) the grain patterns manufactured on the initial mould are copied to a production mould; (3) the production mould copied with the grain patterns is coated with light curable ink; (4) the plate covers on the production mould coated with the light curable ink and is subjected to seal press, so that the light curable ink with the grain patterns to be manufactured is pressed on the plate; (5) the light curable ink pressed to the plate undergoes solidification treatment, so that the light curable ink with the grain patterns is fixed on the plate; and (6) the plate is separated from the production mould. Compared with the injection method for manufacturing grain patterns on the plate, the method has the advantages that the grain patterns are delicate and multivariant, and have good light reflection effect; the product has good friction resistance and high hardness; and the moulds have low cost.

The invention provides an indication lamp. The indication lamp comprises a light guide component, a point light source and a clamping component. The light guide component is provided with a containinghole, a reflecting face and a light outlet face, wherein the reflecting face and the light outlet face are not parallel mutually; the point light source is electrically connected with a circuit board, contained in the containing hole of the light guide component and used for emitting light rays; the clamping component is arranged in the containing hole and used for clamping the point light source; and when the light rays enter the light guide component, the reflecting face reflects the light rays, and the reflected light rays are emitted from the light outlet face. The invention solves the problem that a single point light source used by the indication lamp directly projects light rays to the outside so as to generate non-uniform light rays. The light rays emitted by the point light source are guided by the light guide component so as to form uniform light rays to be projected to the outside, so that the non-uniform light rays can not be generated due to a plurality of staggered and overlapped light rays when a customer uses the indication lamp.

The present invention provides a non-aqueous dispersion of a fluorine-based resin, a thermosetting resin composition containing the fluorine-based resin using the same, a polyimide precursor solution composition and the like, which have a particle diameter, and excellent preservation stability, can be mixed with a resin material such as a thermosetting resin composition, and can inhibit a decrease in adhesion strength and adhesive strength while achieving a low dielectric constant and a low dielectric tangent to be suitably used for applications such as an insulating layer of a printed wiring board, an adhesive for a circuit board, a laminate for a circuit board, a coverlay film, a prepreg, and the like. The nonaqueous dispersion of a fluorine-based resin comprises a micropowder of at least a fluorine-based resin, urethane fine particles, a fluorine-based additive containing at least a fluorine group and a lipophilic group, and a non-aqueous solvent.

The invention discloses a black and white film which comprises at least one white structure layer and one black structure layer. In the invention, the structure and the composition of the black and white film are optimized, so the black and white film has the advantages of excellent shading effect, light resistance, complete satisfying of shielding demands of parts in a display apparatus, smooth and flat surface, no fading, and good high temperature dimensional stability, and the white surface has an excellent light reflection effect, thereby lights emitted by a backlight source can be fully and effectively utilized to improve the display effect of a liquid crystal display panel. An arranged bonding layer allows the fixation, the shading and the light reflection effects of display part light source frames and the like to be further satisfied, and the black and white film which has an excellent molding processing performance can satisfy various molding processing demands.

The invention discloses a water-based reflective insulation paint which comprises the following components in parts by weight: 30-50 parts of modified acrylate emulsion, 10-20 parts of vacuum microbead, 1-5 parts of titanium white, 2-6 parts of dispersing agent, 5-8 parts of nano calcium carbonate, 3-10 parts of antifreeze agent, 5-7 parts of thickener and 20-30 parts of deionized water. The water-based reflective insulation paint disclosed by the invention has favorable light reflection effect and favorable insulation effect, can effectively lower the coating surface temperature, has the advantages of excellent weather resistance, excellent dirt resistance, environment friendliness and no toxicity, and is suitable for the field of external wall decoration of houses, hotels, schools, hospitals and the like.

The invention relates to a light emitting diode circuit board heat radiation structure, which comprises a circuit board and a light emitting diode, wherein the light emitting diode is communicated with a circuit of a conductive circuit layer in the circuit board, a heat radiation bottom plate is tightly pasted on the lower surface of the circuit board, a through hole is formed in the position of the circuit board provided with the light emitting diode, and the light emitting diode is pasted on the inner surface of the bottom plate through the through hole. Through the additional arrangement of the heat conductive plate, the structure eliminates the adverse influence caused by self damage of the circuit board and the subsequent manufacture and processing in the prior art, and the light emitting diode can be directly pasted on the heat radiation bottom plate, so the whole base plate has higher heat conduction coefficient, the light ray emitting effect and the heat radiation effect are good, in addition, the manufacture and processing process of the existing circuit board can not be influenced, the bottom plate can be singly processed, the smoothness and the finish degree of the bottom plate can be easily ensured, the processing step is greatly simplified, and the manufacture difficulty is reduced, so the production cost is reduced.

The invention relates to a method for generating a three-dimensional model of a corrugation structure of a dragonfly wing. The method comprises the steps that firstly, the measured dragonfly wing is selected; titanium dioxide is evenly sprayed on the surface of the selected measured dragonfly wing to obtain a dragonfly wing sample; finally, a laser scanning device is used for scanning the dragonfly wing sample to generate the three-dimensional model of the corrugation structure of the dragonfly wing. The method for generating the three-dimensional model of the corrugation structure of the dragonfly wing is simple, the dragonfly wing sample is obtained by evenly spraying titanium dioxide on the surface of the selected measured dragonfly wing, the light reflection capacity of the surface of the measured dragonfly wing can be greatly improved, scanning data obtained through scanning of the dragonfly wing sample are more accurate and complete, and the more accurate three-dimensional model of the corrugation structure of the dragonfly wing is obtained.

The invention discloses a formula of high-reflective modified polytetrafluoroethylene. The high-reflective modified polytetrafluoroethylene comprises modified polytetrafluoroethylene synthetic resin, a plasticizer, a coupling reagent, a colorant, a lubricant, a mould release agent, a light reflection agent and an anti-aging agent, wherein the plasticizer is phthalic acid ester; the coupling reagent is titanate; the colorant is optically variable pigment; the lubricant is magnesium stearate; the mould release agent is paraffin; the light reflection agent is a blending agent of titanium dioxide, mica and aluminite powder; the anti-ageing agent is divalent nickel complex. With the adoption of the formula of the high-reflective modified polytetrafluoroethylene, provided by the invention, the prepared high-reflective modified polytetrafluoroethylene has higher performance in the light reflection effect, can form a multicoloured effect, better prolongs the service life of plastics when being compared with the prior art, and further has a conspicuous lighting prompting function.

The invention belongs to the technical field of engineering construction materials, and particularly relates to a fluorescent photocatalytic water-permeable brick and a preparation method thereof. Thefluorescent photocatalytic water-permeable brick is of a double-layer structure, wherein the lower layer of the water-permeable brick is a recycled aggregate water-permeable layer, and the upper layer of the water-permeable brick is a fluorescent photocatalytic composite concrete layer. According to the invention, the water-permeable brick is used as a matrix and is divided into a double-layer structure by adopting a layered forming method, so the strength of the water-permeable brick is guaranteed, and the utilization rate of a fluorescent material and a carbon nitride nanosheet is increased; the wear resistance and the waterproof performance of the water-permeable brick are enhanced by adding quartz sand and a PTB emulsion; and due to the addition of the carbon nitride nanosheet and fluorescent powder, the water-permeable brick has the functions of self-sustained luminescence, visible-light catalytic gas purification and self-cleaning. The water-permeable brick is suitable for parkaisles or sidewalks, meets the permeable requirements of pavements, has the fluorescent property to play a role in identification at night, continuously degrades pollutants through photocatalysis, keeps clean and tidy, and is beneficial to popularization and application.

The invention discloses a method for preparing an insulating antistatic high-reflectivity waterborne coating which is composed of the following components: an epoxy resin, 4-dimethyl aminopyridine, graphene oxide, terpene phenolic resin, acrylic acid, ethylene glycol, butyl acrylate, hydroxy calcium phosphate, magnesium hydroxide whisker, pure water, triethanolamine, polyacetylene, vinyl ester resin, sodium acetate trihydrate, an ethylene glycol aqueous solution, thioacetamide, zinc sulfide, potash, a curing agent, a dispersing agent, a defoamer and a leveling agent. The waterborne solvent coating disclosed by the invention is free of volatile organic compound, compared with other coatings, the coating is small in pollution to the environment and high in reflectivity, and not only can assist a lamp to emit strong and bright light, but also has stable and excellent high reflectivity, and the high-reflectivity waterborne coating additionally has excellent impact resistance and flexibility, is very good in corrosion resistance and ultraviolet resistance and is also simple and convenient to use.