luminous and phosphor What is the difference

First, the main component of Epica and features luminous powder ;
1 luminous Description Material composition mixture 4SrO.7AL2O3: Eu (Eu as rare earth elements ) .
2 main non-toxic non-radioactive luminous , no burning, no explosion, free of heavy metals or other harmful chemicals .
3 luminous with a very stable gravel for gardens chemical properties , strong adaptability to environment and extremely long service life , luminous effect can be achieved using the longest 20 years . Luminous density ρ ≈ 3.6gcm3 7. Maintain good stability at -60 ℃ -600 ℃ condition .
4 luminous luminescent time is short, high brightness, long afterglow time , rich color varieties , colors and more .
5 can be used as an additive or luminous pigment. glow in the dark dyes in a variety of transparent or translucent medium, such as paint , oil, black, plastic , rubber stamp glass , ceramics, chemical materials , to achieve self-luminous function media should exhibit good low lighting instructions and decorative landscaping effect.

Luminous powder to use for printing paste

General printed fabrics , patterns will not be displayed at the light , but in the play equipment, evening dress and decorative cloth , the pattern will be asked to be able to show at the glittering effect, this stamp is called luminous printing. This luminous garment both special warning, but also has special artistic effects. For example, glow in the dark dye the literary arena concert singer , dancer , had put on such a luminous costumes , colorful lights hit the singer 's body , the luminous clothing can fully absorb the irradiation stage lighting , stage lighting and then suddenly disappear , theater a dark , luminous clothing only singer who still shiny hair , beautiful magical glow refreshing , light color dreamlike , strange light enveloped wonders for the actor adds artistic charm.
Although the printing paste is made luminous luminescent light-emitting material ( luminous ) made ​​of transparent printing paste deployment . But for printing paste composition requirements should be phosphorescent sand, paste , add the additives are supporting no effect on the luminescent material ( luminous ) , can be the company's point of luminous gold , gold luminous powder is non-toxic harmless environmentally friendly .
Phosphorescent material content before printing press ( luminous ) is 20 to 25% ( by mass ) added to the printing paste , then mix thoroughly medium speed --- mantle velocity can be used for printing on the machine . Do not mix both speed when beating Gao avoid affecting glow.

Discoloration of the six principles of electrochromic material

 1 , temperature change of raw materials: The temperature difference between the control change color. Temperature change various pigments have low to high temperature range , according to temperature generally divided into: low color ( about 10 ℃), the texture color ( about 30 ℃), High color (50 ℃, 60 ℃, 65 ℃) and other materials ; temperature change powder colored to colorless , colorless to colored series , temperature change with increasing temperature can be dropped repeatedly will change color. ( To 31 ℃ red , for example, more than 31 ℃ discoloration in the form of colorless presented below 31 ℃ is red ) .
 2 , Photoluminescent Sand discoloration principle: Dreaming of raw materials : use of sunlight (UV light ) control to change the color of the interior is a colorless or colored , color or appearance into another outdoor color under ultraviolet light .
 3 , luminous luminous pigments absorb light and heat energy , and energy storage , and then in the dark to light way slow release of energy can be recycled an infinite number of times , a faster sunlight and UV absorption.
 4 , long-lasting flavor: The aromatic microcapsules using microencapsulation technology , the flavors wrapped up membership glow in the dark dye , friction, heat or natural diffusion , etc., slowly release the aroma , flavor sustainable than six months.
 5 , anti-counterfeiting fluorescent material : surface colorless , showing color under ultraviolet light. Applications: money , bills , card , tobacco, alcohol , drugs, cosmetics, labeling, packaging , manuals , etc. have higher .
 6, the water becomes transparent ink : This ink is water-based , applied on paper , fabric printing, can cover the product as a white background when dry, discolored water after showing a transparent background color .

luminous production process

Features : Unlike the luminous phosphors , which non-radioactive , light long short but luminous efficiency , low cost , colorful. Second, the equipment: electric furnace , crucible , ball mill, drying equipment. Third, the formula : red luminous : 55 grams of barium glow in the dark dye, 40 g of magnesium sulfate , lithium phosphate, 2 g , 3 g of copper nitrate blue luminous : 63 g of calcium sulfide , sodium sulfate, 5 g , 5 g of potassium sulfate , strontium sulfate 10 g, 6 g of sodium chloride , 1 g of silver nitrate , 10 g magnesium sulfate . Purple luminous powder : 63 g calcium sulfide , photoluminescent exit signs sulfate 26 g , 10 g sodium sulfide , strontium nitrate 1 g . Green luminous powder : 55 g calcium sulfide , potassium sulfide 1 g , 10 g sodium sulfide , barium nitrate 12 g , 13 g of indium nitrate . Luminous yellow : barium sulfide 55 g , 40 g magnesium sulfate , aluminum sulfide 2 g , 3 g of potassium nitrate .

Luminous powder used in ceramics

In the light emitting luminous ceramic glaze used for high production , light emission pattern can be made according to need , the surface of the article can be completely prepared luminescent . If the glaze settlement, may add 2 a 4% bentonite to increase phosphorescent tape glaze . When the entire surface of the light emitting ◇ The product produced , can be spray glaze or enamel pouring process , the need to add about 2% of kaolin and a small amount of glaze cmc other additives to increase the fluidity of the glaze slurry and suspension . If the glaze is applied to obtain a white glazed biscuit best results ; if applied to the red body , the bottom layer of white enamel glow in the dark dyes. Luminous glazes temperature should be lower than 1100 ℃ for good, above this temperature should be used in order to obtain better results fast firing , in order to obtain a more smooth glaze , the glaze in the light-emitting layer above and then applying a thin transparent glaze.