Light-emitting organic pigment powder storing Photoluminescent Tumbled Gravel

Luminescent pigment

Light-emitting organic pigment powder storing Phosphorescent Ceramic‍ luminous material. Typically zinc, calcium, barium or strontium sulfide, a small amount of flux (such as sodium chloride) and a trace of activators

The shift from blue to red portion of the copper is transferred from the activator part of the green to the red.

Precautions

The pigment than the major attention when using the mix.

It should be stored in ventilated, dry environment, pay attention to moisture, failed to finish using a luminescent pigment should be noted sealed.

Metallic materials have a greater impact glow powder suppliers‍ on the luminescent properties, should avoid contact with metal.

Luminescent pigment packaging, transportation and storage:

Packing: waterproof plastic bags for packaging, plus desiccant; packaging in cardboard boxes or metal pail, also according to customer requirements, the use of other forms of packaging.

Transport: Transport prevent mechanical impact, crush, keep the packaging intact, Glowing vinyl Realglow‍ preventing the sun and rain, not allowed to handstand.

Storage: Store in ventilated, dry environment, pay attention to moisture.‍

increase their knowledge Photoluminescent Rigid Sheet

Essay Appreciation: Warm Jade aroma Lam day

Benefits of extra-curricular reading is known to everyone, it not only allows students to broaden their horizons, increase their knowledge, will further consolidate the students learned in each curricular

Kinds of knowledge. We must resolutely follow the rules of glow powder suppliers‍ language teaching: "successfully implemented in curricular, extracurricular thanks", which for improving student's reading level and writing ability are

As for the whole discipline of learning plays a great role. Well, I hope this article can help you a little of students and friends.

Since ancient times people Jing-yu, jelly, tours jade, jade, jade beautiful, hard noble jade, an old saying, "There are five German jade, jade gentleman Bede.

. Jade leave the body ...... gentleman for no reason, "and now people love jade unabated." Mountain jade and vegetation moist, deep Usu but not dry cliff "," grape wine night

Light cup, to drink immediately pipa reminder ", describing the ancient jade sentence I remember most clearly is Shangyin" sea pearl tears, Lam day Warm Jade aroma. "Xu

Many wonderful things in front of people all the jade crown a word, such as the woman has "a beautiful woman in the book"; Jade is also a symbol of wealth, the former imperial jade seal representatives

, The most famous of ancient and Choi are doing to bring fifteen fortresses exchange, there are indications that people valued jade. And my understanding of the jade is my career

Relationship, every day with these colorful, all kinds of stone deal, Photoluminescent Aluminum Sheet‍, who wear jade stones to go through the conception, design,

Produced a series of work, and finally to become the polished exquisite jade crafts, or wear, or play, addictive meaning of infinity.

My lasting bonds with jade is probably a child, in addition to nickname his father gave me to take a generic word with jade, my neighbors are also friends flower once said, how

Good names are accounted for so that you go home, because my siblings names are also words with a treasure, and slightly jealous envy at her face, I am a little speechless. The jade

At first sight is a high school, secondary school exhibitions, factories and enterprises see themselves each county's profile and products or outcomes to do an introduction, I am not interested in anything else the whole, only one county jade plant products according to attract . The photograph is a jade figure ornaments, it is a Guanyin statue, next to a golden couple, but

I did not know the origins of these characters, I stare at the photo for a long time could not bear to leave, I have to wonder how it was carved out of skilled so beautiful jade? After again

Come to my graduation, made in a factory custody a year, until one day a friend told jade factory job, I was given a free hand to the resignation of the open back door to go to work

The recruitment exams, jade plant successfully become a Photoluminescent Gravel‍ member of the glorious work into a new factory workshop.

Photoluminescent Rigid Sheet materials have a greater impact

Luminescent pigment
Light-emitting organic pigment powder storing luminous material. Typically zinc, calcium, barium or Photoluminescent Aluminum Sheet strontium sulfide, a small amount of flux (such as sodium chloride) and a trace of activators
The shift from blue to red portion of the copper is transferred from the activator part of the green to the red.
Precautions
The pigment than the major attention when using the mix.
It should be stored in ventilated, dry environment, pay attention to moisture, failed to finish using a luminescent pigment should be noted sealed.
Metallic materials have a greater impact on the luminescent properties, should avoid contact with metal.
Luminescent pigment packaging, transportation and storage:
Packing: waterproof plastic bags for packaging, plus desiccant; packaging in cardboard boxes or metal pail, Photoluminescent Pebble also according to customer requirements, the use of other forms of packaging.
Transport: Transport prevent mechanical impact, crush, keep the packaging intact, preventing the sun and rain, not allowed to handstand.
Storage: Store in ventilated, dry environment, pay attention to moisture.

constitutes a water lens Photoluminescent Tumbled Gravel

Demonstration spherical water condenser lens effect 

By observing the lens to photoluminescent technology‍ deflect the incident light conditions, the understanding: 

1. Parallel with the axis of light refracted through the lens converging focus on the spindle; 

2. Focus light through the lens on a point light source emits parallel refraction; 

Glass beaker, fluorescent yellow dye, parallel light, Guangping. 

Experimental setup shown Photoluminescent Aluminum Sheet‍ in Figure 2.8-4, the spherical glass beaker filled with water, then add a small amount of fluorescent yellow dye to help display the optical path, thus constitutes a water lens. Allow the parallel light emitted parallel light through the lens in water, in a way to put a mask at the light beam, moving the mask at the optical axis direction so that the converging point of the light beam photoluminescent pigment suppliers‍ happens to fall on the light screen. 

which can be extracted from Photoluminescent Rigid Sheet

Life common chemical phenomena 

????? A lipstick: Lipstick Lady in oil, beeswax, titanium dioxide, and dyes, a dye composition of the two chemicals, a fluorescein, a bromine. 

2, chewing gum: it is derived from the isoprene out of glue is made, in addition, the chewing gum also contains other chemical components, sweetener, flavoring agents and softeners. Chewing gum can blow Photoluminescent Masterbatch‍ bubbles is because of containing butyl rubber. 

3, sunscreen: two: one can reflect sunlight, and the other one is light before it reaches the skin absorption; first is called a "physical sunscreen" the second is "chemical sunscreen" chemical sunscreen benzoic acid containing an amino group, can absorb electromagnetic radiation and convert it into other forms of energy without hazards. 

4, remove wrinkles: "alpha hydroxyl acid" compound "beta hydroxyl acid" contains cream, which can be extracted from fruit and milk. Can dissolve the dead cells adhered to human skin fat, this fat is eliminated, a new skin, reducing wrinkles. 

5. Environmental pollution caused by heavy metals called heavy metal pollution. Heavy metal pollution can sometimes cause great harm, such as Minamata disease occurred in Japan (mercury contamination) and bone pain disease (cadmium pollution) and other pollution disease, is caused by the heavy metal pollution. 

6 There is a laughable gases. It is one of the relatives of nitrogen. Called nitrous oxide, nicknamed "laughing gas." "Laughing gas" as an anesthetic, but soon entered the hospital, and was a long-term use. The use of anesthetic, so many patients freed from the hands of death out. 

7 make cookies, cakes and breads and other foods when used another baking powder. This has nothing to do baking powder and yeast, in fact, is a chemical leavening agent. It contains two chemical powder - sodium dihydrogen phosphate and pigment powder suppliers‍ sodium bicarbonate, into the wet surface, the change in the chemical, carbon dioxide gas to emerge, the food produced in many Xiaodong Dong. 

8 fried dough fritters rub it in advance of the food base and alum. Shop early master said, "a base two alum three salt" refers to every seven pounds of fresh surface coupled with twelve bases, twenty-two thirty-two alum and salt, then into a deep-fried dough fritters. These three roles each have their own role in chemistry: salt so salty surface and become pliable, alum is potassium aluminum sulfate, acidic, in hot pan, it and the food base from a chemical reaction to produce carbon dioxide bubbles, the rapid expansion of heated air bubbles, making fritters quickly swell. One or two food base and two two alum can produce about 14 liters of carbon dioxide gas, boiling oil temperature more than two degrees, the expansion of the volume and make it more than doubled, so the new deep-fried fritters porous. 

9 special glass called "photochromic" glass. It is in the manufacturing process, the pre-light-sensitive material braced as silver chloride, silver O (collectively halide), as well as a small amount of copper oxide catalyst. Glasses from no color becomes light gray, dark brown, photoluminescent pigment suppliers‍ and then change back from the dark tone through glasses glasses are silver halide becomes magic. "

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compound of nitrogen for plants photoluminescent pigment

Salt taste salty, used to flavor or other preserved fish, eggs and vegetables, is an amount up to the most widely used spices, called "the king of the Subway." People have to eat a certain amount of salt (generally adults eat 6g to 15g of salt is enough), photoluminescent paint suppliers‍ the reason one is to increase the taste, the second is the need for human performance. Na + is mainly present in the extracellular fluid is an important component of the extracellular fluid osmolality and maintain capacity. Animal blood concentration is constant, excessive loss of salt will increase or supplement insufficient excitement, weakness and then shaking occurs, leading to paralysis of the hind legs of animals until death. U.S. scientists Taylor personally experienced the process of eating food without salt, initially increased sweating, loss of appetite disappeared five days was very tired, to 8 to 9 days you feel muscle pain and stiffness, and subsequent insomnia Photoluminescent Tumbled Gravel‍ and muscle twitching, due the situation is more serious and was forced to terminate the experiment. Of course, excessive intake of salt will absorb the moisture from the cells back to the body fluids, so that the body due to lack of water and fever. 

Process 11 of the nitrogen in the air can be absorbed into the plant nitrogen compounds called nitrogen fixation. Nitrogen is usually fixed in nature, there are two: one is lightning in the air when nitrogen and oxygen compounds students nitric oxide, nitrogen dioxide, nitric oxide and oxygen to generate further compounds, nitrogen dioxide is absorbed by water into nitric acid in the rain when descend to the ground. Another way is to use a nitrogen-fixing Rhizobium plants, a Rhizobium bacterium, can form nodules on the roots of leguminous plants, under natural conditions, the nitrogen in the air which can be converted to compound of nitrogen for plants use. "Kind of beans is not on fertilizer, seed a few years to even more fat" is speaking the truth. 

12. Preserved egg is a traditional food of our people. Because of its unique flavor, taste great, long shelf life, are very popular. Students know? In fact, the eggs will be processed into preserved egg in the process is a more complex chemical processes. The feed ash alkali (sodium hydroxide, potassium hydroxide) to penetrate from the outer shell of the egg yolk and egg white, and wherein the role of the protein, resulting in protein degradation, and to emit a small amount of solidified hydrogen sulfide gas. Meanwhile, the base and further into amino acids in the protein in the decomposition reaction, pigment powder suppliers‍ the resulting crystals of the salt to the beautiful appearance of the coagulated egg white, like a flower of the "preserved." And hydrogen sulfide gas in the egg yolk and the role of generating various sulfide minerals, then the egg yolk, egg white, color change, dark green egg yolk, egg white was a special green tea. Salt can shrink away from the egg shell, increase the taste and corrosion protection. Minium can join ripening egg, egg shrink away from the shell prompt. The tannins in tea and aromatic oils, can increase egg protein coagulation coloring and flavor. 

photoluminescent pigment Various materials

Various materials 

Aluminate base 

Since 1993 the co-doped synthetic Matsuzawa Dy's SrAl2O4: Eu found its afterglow decay time up to 2000min. Subsequently, it has successively developed a series of rare-earth-activated aluminate long afterglow materials, such as blue CaA12O4: Eu, Nd, and blue-green Sr4Al14O25: Eu, Dy, its afterglow afterglow properties of materials and their parameters are shown in Table 1. Aluminate long afterglow Photoluminescent Tumbled Gravel‍ material, which is mainly activator Eu, mainly in the afterglow luminescent colors blue and green wavelength range. Today, although the water is not very good aluminate, aluminate long afterglow material SrA12O4: Eu, Dy and Sr4Al14O25: Eu, Dy still get a huge commercial applications, long-lasting materials is the main stage materials research and application concerns. 

Silicate-based 

Silicate matrix using long-lasting materials, as Portland has good chemical stability and thermal stability, while raw SiO2 cheap, easy to get, in recent years more and more people's attention, and this silicate materials are widely used in lighting and display areas. Since 1975, Japan developed the first Silicate Long Afterglow Zn2SiO4: Mn, As, its afterglow time of 30min. 

Since then, a variety of silicate materials have also Photoluminescent Rigid Sheet‍ been developed afterglow, as Sr2MgSi2O7: Eu, Dy, Ca2MgSi2O7: Eu, Dy, MgSiO3: Mn, Eu, Dy, material and performance parameters in Table 1. Silicate matrix material in the afterglow of the main activator Eu2 +, its luminous colors still concentrated in blue-green, although there are red afterglow silicate material reported. Better performance is the afterglow of Eu and Dy doped Sr2MgSi2O7 and Ca2MgSi2O7, its afterglow duration is greater than 20h. In addition, observed in Mn, Eu, Dy co-doped MgSiO3 three elements in the red afterglow phenomenon. Silicate aluminate long afterglow material has incomparable advantages in terms of water resistance, but its performance is worse than the aluminate. 

Other 

Apart from the above categories afterglow materials research as well as more long-lasting material sulfide ZnS: Cu, Co and CaS: Eu, Tm, represented, which is characterized by diverse colors, but only a maximum brightness of its initial afterglow 40mcd / m or so, and such material in the first few minutes, a sharp decrease in afterglow luminance, the afterglow time is short and effective. There Pr doped titanate CaTiO3: Pr, Al. Up to now, long-lasting luminescence in the oxidation system has been extensively studied, it is noteworthy that the chlorine oxide Ca8Zn 4Cl2? (SiO4??):? Eu, nitride containing Ca2Si5N8: Eu There are also long-lasting phenomenon. 

In addition, Professor Pan Zhengwei research group has developed a long near-infrared afterglow material Zn3Ga2Ge2O10: Cr, its afterglow time up to 360h.‍

Photoluminescent Rigid Sheet History Afterglow Materials Development

History Afterglow Materials Development 

Short afterglow photoluminescent materials, Photoluminescent Tumbled Gravel‍ also known as the phosphorescent light-emitting materials, luminescent materials, which is essentially a photoluminescent material, he is a kind of absorbed energy as visible light, ultraviolet, X-ray, etc., and substances can continue to emit light after excitation stops, he can be able to trap the energy stored in the material, is a kind of promising. [1] 

Long-lasting material is one of the first materials research and applications, many natural ore province would have long afterglow characteristics, and for the production of a variety of items, such as "Moonwalker", "Night Pearl" (Figure 1). There are written records may be true in our country during the Song Taizong (AD 976-997 years) described (Figure 2) with the "afterglow pigment" drawn "cow painting", photoluminescent pigments‍ the painting can see cattle into the night that the reason is this cow painting is made ??of photoluminescent pigment painted with oysters, Western earliest record of such luminescent materials in 1603 when an Italian cobbler ore roasting local alchemist, got some in the dark the red light material, after analysis showed that, within the ore contains barium sulfate, after reduction roasting became part barium sulfide afterglow materials. Since then, the 1764 British oysters and sulfur mixed with firing a blue and white light-emitting materials, namely Photoluminescent Rigid Sheet‍ calcium sulfide afterglow luminescent material. 

Photoluminescent Tumbled Gravel What will glow in the dark plastic products called

1 Long Afterglow 

Long-lasting storage luminous materials are photoluminescent (Photoluminescence) of a material, the excitation energy is the energy that can be any kind of ambient light, such as: sunlight, lighting, etc. 

. The basic principle of this luminescent Photoluminescent Tumbled Gravel‍ material is: a material preparation process, the doped luminescent center-forming element in the matrix and the center of the trap, when excited by external light, the light emitting center 

Electronic ground state to an excited state, when the electron transition from the excited state to the ground state, light emission is formed. Meanwhile, some of the electrons in the excited when falling into the trap center is bondage. After removal of light 

, Disturbed by ambient temperature, bound to fall into the trap out of the trap-state electronic energy released to stimulate the formation of a light emitting luminescent center. Since the electron is bound to trap affected by ambient temperature 

Disturbance gradually out of the trap, so luminous performance of a lengthy process, which formed a long afterglow. 

Due to the long afterglow luminescent material removal can be light illumination in the dark a long time, so people will this material colloquially known as "luminous." Traditional luminous two categories: sulfur 

Compound-and radiation-excited type. Sulfide including ZnS, CaS, etc., and chemical properties of these materials are relatively less stable in water and ultraviolet light easily hydrolyzed or photolysis, 

Afterglow time is generally two to three hours, life is Photoluminescent Rigid Sheet‍ also shorter. Excitation radiation type is incorporated into radiant energy emitted by radioactive substances within the material as an excitation source, excitation and emission center 

Glow. Because such materials containing radioactive substances harmful to the environment and human health, has been banned in most countries use. 

The new long afterglow luminescent material is to be found in the nineties, it is completely different from the traditional type of sulfide-and radiation-excited luminous material does not contain any harmful elements, stable performance, 

Afterglow long time. Aluminosilicate ceramic material such as the matrix material to form a rare earth element-doped luminescent centers and trapping centers, the display having a good night. In this New types of long afterglow luminescent materials mainly to a variety of adhesive materials can be made into various forms of nighttime display or decorative devices. For example: Mixed coated with transparent sintered ceramic powder, made ??from 

Luminescent ceramic; masterbatch added to the light-emitting plastic granules, plastic sheet, or may be made of a light emitting film; mixed with the transparent resin or adhesive, use can be made of various paints or coatings ‍

Photoluminescent Rigid Sheet Luminous powder for use and configuration of the light emitting plastic products

  ◆ luminous description can be applied to different plastics processing technology, such as injection molding , extrusion , casting , rolling, mixing , etc., if the light-emitting plastic masterbatch prepared first , then better be prepared by the masterbatch products, glow.
    ◆ Preparation method:
     1, using the finish better equipment glowing sheets friction and reduce damage to the equipment , but also to reduce the pollution of the powder .
    2, because the coarser particles , can be prepared masterbatch machine screw , preferably without the filter plate .
    3 , injection molding products can be a shape,masterbatch production to the powder evenly pellets can usually add the shortening or polyethylene wax.
   4 , light plastics masterbatch preparation if it will be better to use light, can be used masterbatch plates, sheets , tubes, wire and other light products .

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Photoluminescent Rigid Sheet can be carried out using luminous paint brush

1 , can be carried out using luminous paint brush, roller , spray coating , curtain coating and other processes
2, luminous coating reaches more than glow in dark sheet, in order to obtain a more desirable emission brightness ;
3, in the luminous white primer coating for the bottom below , can improve the luminous brightness ;
4 , the above white photoluminescent river rock  coating can improve the coating gloss and weather resistance ;
5 , the coating can be adjusted according to construction methods.

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Photoluminescent Rigid Sheet salts luminescent material characteristics

Rare earth activated alkaline earth metal aluminate luminescent material is a rare earth Eu especially on the active element , an alkaline earth metal aluminate to a class of luminescent substrate material . Where Eu and Dy co-activated strontium aluminate SrO · nA12O3: Eu, Dy is a typical representative of the 20th century, it was developed in the glow in the dark pigments, a new class of luminescent material activated alkali earth aluminate luminescent materials are characterized from beginning high brightness, long afterglow time (> 12h), non-radioactive hazards, resistance to environmental erosion, known as the green energy-saving materials . In SrO · nA12O3: Eu, Dy emitting material , with the SrO/A12O3 ratio, the fluorescence wavelength and afterglow time is different , glow in the dark rock· A12O3: Eu, Dy, a yellow- green light after excitation , peak wavelength 520nm; 2SrO · 3A12O3: Eu, Dy, excited by blue-green light , the peak wavelength of 490nm. The afterglow time is longer than the latter the former, but the initial luminous intensity is the opposite .‍

Photoluminescent Tumbled Gravel Commonly used gravel and pebbles two kinds.

In concrete construction, aggregate particle size greater than 4.75mm become coarse aggregate, commonly known as stone.
Photoluminescent Tumbled Gravel refers weathered rock formed by the flow of long-term particle transport is no natural corners of pellets 2 ~ 60mm. Sediment classification in one name. The average particle size greater than 1 mm rock or mineral fragments thereof.
Natural rock or phosphorescent sand rocks mechanically crushing, screening made of rock particles larger than 4.75mm in diameter.
glow in the dark pebbles is a natural weathering, water handling and sorting, piled, rock particles larger than 4.75mm in diameter.
C25 strength concrete gravel generally used below.
Overall, the different size ranges pebbles and gravel.