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Several methods for making encapsulated type glow powder

Stearic acid coated luminous powder: stearic acid is often used as a lubricant in polymer processing to reduce the friction and adhesion between melt and processing machinery and between molecules in melt, improve fluidity, improve processing formability, improve production capacity and product appearance quality and finish. Coupling agent treatment of rare earth luminous powder: from the perspective of chemical structure and molecular aggregation state, inorganic materials are very different from organic polymers, and it is difficult to form the required [...]

Rare earth luminescent materials new fulcrum

White LED light source is a green energy-saving light source. At present, it mainly USES the combination of InGaN ultra-bright blue chip and rare earth yellow and red phosphors with high light conversion efficiency to produce composite white light. It is regarded as the synonym of advanced technology and green lighting, and will become the leading role in the future lighting and display market. As we all know, the development of LED industry cannot be separated from rare earth [...]

Application of luminous powder rolling process

Calendering A method of forming a luminescent powder continuously into a film or sheet. In the rubber processing process, the luminous powder and the rubber compound can be calendered into a film of a certain thickness and width, or the pattern can be pressed on the film for the formation of the next product. The calendering method is also used to hang the fabric and the steel cord, and to bond the film to the film, the film and [...]

Inkjet printing luminous film instructions

Inkjet printing luminous film (luminous paper, luminous photo printing film) Is a new generation of luminous digital output material, high resolution can be directly printed photos. This product has been tested by the relevant departments of the state, and it is non-radioactive, non-toxic and harmless. It is the only green energy-saving high-tech product that can emit light at night and display its contents without consuming electricity. After 5-15 minutes of visible light, the product can spontaneously light in the dark for [...]

Luminescence mechanism of long afterglow luminescent materials

Hole transport model For this type of material, the earliest model was the hole transport model proposed by Matsuzawa et al. in the SrAl2O4:Eu, Dy system. Based on this model, Matsuzawa believes that in the long afterglow materials SrAl2O4:Eu, Dy, Eu is the electron capture center and Dy is the hole trapping center. When the material is excited by UV, Eu can capture electrons to become Eu, and the resulting holes are captured by Dy through the valence band to [...]

Luminous powder silica coating modification treatment

Water-based luminescent powder is modified by silica cladding on SrAl2O4: Eu2+ and Dy3+ long afterglow luminescent powder by chemical precipitation method, which can effectively improve the water resistance of luminescent powder, but has little effect on the long afterglow luminescence characteristics of luminescent powder. Emulsion paint with modified luminescent powder has the advantages of storage stability and good water resistance. Luminescence performance before and after modification of luminescent powder: the peak types and peak positions of the excitation and [...]

From the aristocracy to the common people – new captain afterglow luminous materials

Long Persistent Luminescence (LPL) material is also known as luminescent Luminescence material, commonly known as luminous powder or Long afterglow powder. Its luminescence principle is photoluminescence, that is, when excited by the light source, the excitation energy is stored in the excited state. When the excitation stops, the energy is slowly released in the form of light. In 1996, Matsuzawa et al. published a strontium aluminate (SrAl2O4) system doped with europium (Eu) and dysprosium (Dy), with a decay time [...]

Invisible mural paint, invisible photoreceptive murals have broad market prospects

UV phosphors, UV powders, and invisible photo murals are the latest in the entertainment industry. Invisible paintings are popular in Europe, America, Japan, South Korea, etc., and are still blank in the domestic market. Such a large Chinese entertainment and leisure venue and home decoration market, the prospect of invisible painting is extremely attractive. At present, the entertainment industry in mainland China is developing rapidly, the decoration grades are constantly improving, and the customers’ requirements for the atmosphere of [...]

Special anti-counterfeiting ink, uv anti-counterfeiting paint, uv display ink

Security ink products: Water color anti-counterfeiting ink. High-grade UV offset printing, screen printing four-color printing ink, colorless fluorescent anti-counterfeit printing ink series, colored fluorescent anti-counterfeit printing ink series, temperature change ink series, colorful color series, refraction ink series, luminous anti-counterfeit printing ink series, marked with reflective series, high performance, multiple color ink series (light, temperature) ticket special ink series, penetrating ink, printing ink, etc. Security products of the main varieties and performance profiles One, invisible colorless fluorescent security ink This is a mature [...]

Analysis of luminance and duration of luminous powder

rare earth photoluminescent pigment because of its long-lasting, non-radiation characteristics are more and more accepted by the industry and customers, but about the rare earth luminescent pigments brightness problems are often puzzled in new customers, the manufacturers say can clearly lit 10 hours, how a few hours out of sight, might think of a lie is not a manufacturer or product quality problems, which may cause some unnecessary misunderstanding. In this pair of glow in the dark pigment brightness [...]