65 results about "Rubidium oxide" patented technology

An organic electroluminescent device having high efficiency, a long life time, and low cost, includes a substrate, a hole injecting electrode and an electron injecting electrode formed on the substrate, an organic material-containing organic layer between the electrodes, and an inorganic insulative electron injecting and transporting layer between the light emitting layer and the electron injecting electrode. The organic layer includes a light emitting layer containing a conjugated polymer, and the inorganic insulative electron injecting and transporting layer comprises three components. The first component is at least one oxide selected from the group consisting of lithium oxide, rubidium oxide, potassium oxide, sodium oxide, and cesium oxide. The second component is at least one of strontium oxide, magnesium oxide, and calcium oxide. The third component consists of silicon oxide, germanium oxide, or mixtures thereof.

An object of the invention is to achieve an organic EL device which is resistant to a deterioration of an inorganic-organic interface, has performance equivalent or superior to that of a prior art device comprising hole and electron injecting and transporting layers using an organic substance, possesses an extended life, weather resistance and high stability, and is inexpensive. This object is accomplished by the provision of an organic EL device which comprises a substrate, a hole injecting electrode and a cathode formed on the substrate, and an organic substance-containing light emitting layer located at least between these electrodes, wherein an inorganic insulating electron injecting and transporting layer is located between the light emitting layer and the cathode, and an inorganic insulating hole injecting and transporting layer is located between the light emitting layer and the hole injecting electrode. The inorganic insulating electron injecting and transporting layer comprises as a main component one or two or more oxides selected from the group consisting of strontium oxide, magnesium oxide, calcium oxide, lithium oxide, rubidium oxide, potassium oxide, sodium oxide and cesium oxide, and the inorganic insulating hole injecting and transporting layer comprises as a main component an oxide of silicon and/or an oxide of germanium. The main component has an average composition represented by (Si1-xGex) Oy where 0</=x</=1, and 1.7</=y</=1.99. The light emitting layer comprises a layer made up of a host substance on a side thereof contiguous to the inorganic insulating electron injecting and transporting layer and/or the inorganic insulating hole injecting and transporting layer. A layer containing a dopant in addition to the host substance is located on the side of the light emitting layer that faces away from the layer made up of the host substance or between them.

An object of the invention is to achieve an organic EL device which has an extended life, weather resistance, high stability, and high efficiency, and is inexpensive as well. This object is accomplished by the provision of an organic EL device comprising a substrate, a pair of a hole injecting electrode and a cathode formed on the substrate, and an organic layer located between these electrodes and taking part in at least a light emission function, wherein between the organic layer and the cathode there is provided an inorganic insulating electron injecting and transporting layer comprising a first component comprising at least one oxide selected from the group consisting of lithium oxide, rubidium oxide, potassium oxide, sodium oxide and cesium oxide, a second component comprising at least one oxide selected from the group consisting of strontium oxide, magnesium oxide and calcium oxide, and a third component comprising silicon oxide and/or germanium oxide.

The invention relates to modified tourmaline powder for ceramic glaze, anion ceramic glaze and a preparation method, belonging to the technical field of ceramics. The anion ceramic glaze comprises the following raw materials in parts by mass: 20-30 parts of nepheline syenite, 5-8 parts of kaolin, 6.8-9.5 parts of muscovite, 6.2-7.8 parts of modified tourmaline powder, 3-6 parts of zinc oxide, 8-12 parts of light calcium carbonate, 4.6-5.7 parts of aluminum oxide, 1-4 parts of magnesium oxide, 2.5-4.8 parts of potassium oxide and 0.1-0.3 part of rubidium oxide. According to the invention, through the modification of tourmaline powder, the anion release amount of the tourmaline powder is effectively increased, and the surface polarity of the modified tourmaline is relatively low; and due to the stable dispersing performance of the tourmaline powder, the agglomeration phenomenon is avoided in the preparation of glaze slurry, and the ceramic products get a good anion function.

The invention relates to a composite ceria-zirconia solid solution and a preparation method thereof. The composite ceria-zirconia solid solution is prepared from ceria, zirconia and a rare earth auxiliary through composition and comprises, in percentage by weight, 15%-80% of ceria, 15%-60% of zirconia and 5%-25% of the rare earth auxiliary, wherein the rare earth auxiliary is one or more of lanthanum oxide, praseodymium oxide, rubidium oxide, yttrium oxide, samarium oxide, terbium oxide, dysprosium oxide and erbium oxide. According to the preparation method of the composite ceria-zirconia solid solution, the steps are simple, used raw materials are cheap and easy to obtain, and the prepared composite ceria-zirconia solid solution has high oxygen storage capability, heat stability and other properties. The composite ceria-zirconia solid solution also has larger pore diameters and pore volumes through composite surfactant modification and carbonization and calcination treatment.

The invention relates to a CAD/CAM engravable lithium disilicate microcrystalline glass for dentistry and a preparation method thereof, and belongs to the field of microcrystalline glass. The CAD/CAMengravable lithium disilicate microcrystalline glass for dentistry comprises the following components in percentage by mass: 60-75% of SiO2, 0.5-8% of Al2O3, 0.5-8% of P2O5, 8-20% of Li2O, 0-5% of B2O3, 2.9-16% of Rb2O, a stabilizer and an additive, wherein the Si/(Rb+Li) mol ratio is 1.8-2.9, and the Rb/Li mol ratio is 0.01-0.2. The preparation method provided by the invention is characterized inthat rubidium oxide is used to reinforce the network structure of the glass, thereby obtaining the rubidium oxide reinforced lithium disilicate microcrystalline glass product.

The invention provides an organic EL device comprising a substrate, a hole injecting electrode and a negative electrode formed on the substrate, a light emitting layer containing an organic material between the electrodes, an inorganic electron injecting and transporting layer between the light emitting layer and the negative electrode, and an inorganic insulative hole injecting and transporting layer between the light emitting layer and the hole injecting electrode. The inorganic electron injecting and transporting layer contains at least one oxide selected from among strontium oxide, magnesium oxide, calcium oxide, lithium oxide, rubidium oxide, potassium oxide, sodium oxide, and cesium oxide as a main component and silicon oxide and/or germanium oxide as a stabilizer. The inorganic insulative hole injecting and transporting layer (4) contains silicon oxide and/or germanium oxide as a main component, the main component having an average composition represented by the formula:wherein 0<=x<=1 and 1.7<=y<=1.99, as analyzed by Rutherford back-scattering. Organic EL devices having performance comparable to or more than that of prior art devices having a hole injecting and transporting layer or an electron injecting and transporting layer using organic materials, a long life, weather resistance, high stability, high efficiency, and low cost are realized. The devices are easy to manufacture and have stable physical properties at the film interface even when the light emitting layer consists of two or more layers.

The invention discloses environment-friendly ceramic glaze for glass lining. The environment-friendly ceramic glaze comprises, by weight, 80-100 parts of silicon oxide, 60-80 parts of potassium feldspar, 40-80 parts of albite, 40-60 parts of silicon carbide, 40-50 parts of silicon nitride, 30-50 parts of calcium oxide, 30-50 parts of borax, 30-40 parts of sodium oxide, 30-40 parts of aluminum oxide, 20-30 parts of magnesium oxide, 20-30 parts of potassium oxide, 1-10 parts of cesium oxide, 1-10 parts of cerium oxide, 1-5 parts of lanthanum oxide, 1-5 parts of strontium oxide, 1-5 parts of rubidium oxide, 1-5 parts of lithium oxide, 1-5 parts of chromium oxide and 1-5 parts of titanium oxide. Compared with the prior art, the environment-friendly ceramic glaze is high wear resistance, high temperature resistance and corrosion resistance, free of environment pollution and harmless to human bodies.

The invention relates to a water cup with a water activating function. The water cup comprises a cup body (1); the cup body (1) is internally provided with a water purification device (2); the water purification device (2) comprises a cylindrical filter element body (4); a filter element cover (5) is mounted at the top of the filter element body (4); a plurality of filter holes (6) are formed in the periphery of the filter element body (4); the filter element body (4) is internally filled with a water molecule activating material; the water molecule activating material is composed of calcium carbonate, potassium oxide, iron trioxide, calcium oxide, titanium dioxide, silicon dioxide, sulfur trioxide, manganese oxide, barium oxide, strontium, rubidium oxide, copper oxide and yttrium oxide. According to the water cup provided by the invention, the material with the water activating function is applied to articles for daily life and is used for carrying out purification and activation treatment on drinking water, so that water molecules are miniaturized, the oxygen dissolving amount is improved and the antibacterial capability is improved; the health of heart, liver, spleen, stomach and kidney of a human body is facilitated; an external power supply is not needed, the price is low and the service life is long, and the water cup is economic and environment-friendly.

The invention discloses a rare earth-magnesium nodulizing agent. The rare earth-magnesium nodulizing agent comprises the following materials, by weight, of 60-62 parts of silicon, 3-5 parts of calcium, 6-8 parts of magnesium, 0.3-0.5 part of sulfur, 25-27 parts of iron, 1-3 parts of lanthanum, 0.2-0.4 part of gadolinium, 0.5-1.5 part of barium, 0.05-0.1 part of molybdenum, 0.05-0.1 part of cerium, 0.05-0.1 part of yttrium and 0.005-0.01 part of rubidium oxide. Through improvement and optimization for a composite-type rare earth-magnesium nodulizing agent formula, multiple elements with the synergistic effect are introduced, the nodulizing rate of the nodulizing agent for graphite is increased, and meanwhile the chill depth of the nodulizing agent for cast iron is decreased.

The invention discloses a magnetic levitation combined beneficiation method for biotite type ore containing rubidium. According to the method, the biotite type ore containing rubidium is subjected toprimary ore grinding and size mixing, obtained ore pulp is subjected to four times of magnetic separation through a high-gradient wet type high-intensity magnetic separator, magnetic concentrate I-IVis sequentially obtained, and remaining ore is magnetic separation tailings; and after the magnetic separation tailings and the magnetic concentrate III-IV are correspondingly subjected to secondary ore grinding and size mixing, then floatation separating is performed, and flotation concentrate products are obtained. According to the method, due to strong magnetic separation and combined flotation, rubidium in the biotite type ore containing rubidium is recycled step by step, efficient enriching of rubidium is achieved, the comprehensive recycling efficiency of rubidium is improved, the gradeof rubidium oxide in the concentrate is improved to 0.22%-0.28%, the total recycling rate of rubidium reaches 75.5%-84.22%, and economic benefits are remarkably improved.

The invention discloses a lanthanum-containing nodulizing agent, and belongs to the technical field of casting. The lanthanum-containing nodulizing agent is prepared from materials by weight: 44-50 parts of silicon, 4.5-7.5 parts of magnesium, 0.5-3 parts of lanthanum, 1-5 parts of calcium, 1-3.55 parts of aluminum, 25-35 parts of iron, 0.5-2 parts of manganese and 3-5 parts of metal oxides. The metal oxides are a combination of two or three of cerium oxides, yttrium oxides and rubidium oxides. The grain diameter of the nodulizing agent is 9-13 mm, and the sulfur content in the nodulizing agent is smaller than 2.5. Through the synergistic effect of the multiple metal oxides, the nodulizing rate of the nodulizing agent for graphite is increased, and the chill depth of the nodulizing agent for cast iron is reduced.

The invention discloses a catalyst for purifying engine exhaust gas, comprising a catalyst carrier, a first catalyst carrying layer formed on the catalyst carrier, and a second catalyst carrying layer formed on the first catalyst carrying layer, wherein the first catalyst carrying layer comprises a first catalyst component which comprises a tungsten oxide and one of the molybdenum oxide, technetium oxide or ruthenium oxide; the second catalyst carrying layer comprises a near-end catalyst carrying layer and a far-end catalyst carrying layer which are connected; the near-end catalyst carrying layer comprises a second catalyst component which comprises a palladium oxide and one of praseodymium oxide, lanthanum oxide or rubidium oxide; and the far-end catalyst carrying layer comprises the mixed oxide of alkali metals and transition metals. The experimental result shows that the catalyst can remove carbon monoxide, hydrocarbon and particulate matters from the exhaust gas of a diesel engine synchronously in a same catalytic converter at a lower temperature.

The invention discloses a decoloration agent for removing color of defoamer on ultrawhite high-turbine flat glass and a using method. The decoloration agent is mainly composed of rubidium oxide and cobalt oxide according to a certain proportion. The decoloration agent is premixed with a proper amount of glass main material silica sand and then integrally mixed with other raw materials and enters akiln, and proper oxidizability of kiln flame area space is controlled to optimize decoloration effect.

The invention discloses a novel low-silicon low-rare-earth spheroidizing agent, and belongs to the technical field of casting. The novel low-silicon low-rare-earth spheroidizing agent is prepared fromthe following materials in parts by weight: 44-50 parts of silicon, 1.79-2.07 parts of calcium, 5-6.36 parts of magnesium oxide, 0.5-1.01 parts of aluminum, 0.009-0.051 part of titanium, 1.09-1.35 parts of manganese, 0.35-0.65 part of nickel, 0.9-1.65 parts of cerium oxide, 0.03-0.09 part of yttrium oxide and 0.06-0.1 part of rubidium oxide. By introducing a variety of rare earth elements, the spheroidization rate of the spheroidizing agent to graphite is improved, and the chill depth of the spheroidizing agent on cast iron can be reduced; and the spheroidizing agent can be effectively prevented from floating to the surface of molten iron and being burnt off by the synergistic effect of titanium, manganese and nickel, spheroidization is facilitated, and the strength, hardness and heat resistance of an alloy are improved.

The invention discloses ceramic glaze for glass lining. The ceramic glaze is prepared from, by weight, 80-100 parts of silicon oxide, 60-80 parts of potash feldspar, 40-80 parts of soda feldspar, 30-50 parts of calcium oxide, 30-50 parts of sodium borate, 30-40 parts of cordierite, 20-30 parts of magnesium oxide, 1-10 parts of manganese oxide, 1-10 parts of iron sesquioxide, 1-10 parts of copper oxide, 1-5 parts of lanthanum oxide, 1-5 parts of strontium oxide, 1-5 parts of rubidium oxide, 1-5 parts of lithium oxide and 1-5 parts of barium oxide. Compared with a traditional technology, the ceramic glaze is strong in abrasion resistance, high-temperature resistance and corrosion resistance, suitable for long-term use and long in repair period.

A composite material includes a substrate and a self-cleanable hydrophilic surface layer. The surface layer includes a plurality of components: a first component having a photocatalyst which functions as a catalyst upon exposure to light; a second component having one or more of aluminum oxide, zinc oxide, strontium oxide, barium oxide, magnesium oxide, calcium oxide, rubidium oxide, sodium oxide, potassium oxide and phosphorus pentoxide; and a third component having one or more of silicon dioxide, zirconium dioxide, germanium dioxide and thorium dioxide. The first through third components are all situated within the surface layer, which is provided as a single surface layer, such that all of the components are in close proximity to one another within the single surface layer.

The invention relates to a chemical raw material and a preparation process thereof, in particular to a metal-oxide mixed-phase titanium-chromium brown pigment and a preparation process thereof. The metal-oxide mixed-phase titanium-chromium brown pigment comprises the components of titanium dioxide, dichromium trioxide, diantimony trioxide, lithium fluoride, sodium tetraborate, potassium carbonate, rare earth oxide, cerium oxide and rubidium oxide. According to the metal-oxide mixed-phase titanium-chromium brown pigment and the preparation process thereof disclosed by the invention, a dispersing agent and a color fixing agent suitable for a metal-oxide mixed-phase pigment product are used, and the added quantity and the adding condition of an auxiliary agent are carefully chosen, so that the aim of complete pigment transition and uniform color and luster is fulfilled, the high-temperature transition of the product is effectively controlled, the problem of particle aggregation is solved, the aim of energy saving and consumption reduction is fulfilled, the production cost is reduced, and the equipment utilization ratio is effectively increased.

The invention discloses a preparation method of a modified graphene superconducting material for new energy. The preparation method comprises the following steps: stirring and mixing lithium oxide, rubidium oxide and yttrium oxide; then adding a 35% nitric solution to be mixed and stirred for 10-20min; then adding 0.25-0.35mol/L of citric acid to be stirred and mixed for 2-3h at room temperature;after stirring and mixing, dropwise adding 10% by mass of ammonia water solution into the solution to adjust the pH of the mixed solution to 7.0, stirring and mixing the solution for 10-20min, rotatably evaporating the solution to 1/3-3/5 of original size at 75-90 DEG C to prepare a mixed gel solution, putting the mixed gel solution at 160-170 DEG C to be dried for 3-6h, and grinding the solutionto prepare mixed powder; putting graphene oxide into ethanol, and carrying out ultrasonic dispersion to obtain a graphene oxide solution; adding the mixed powder into the graphene oxide solution and stirring the mixture for 15-25min at 50-70 DEG C; and carrying out filtration and drying, raising the temperature to 750-850 DEG C at a speed of 20-40 DEG C/min for thermal treatment in a reductive atmosphere, and carrying out an insulating reaction for 20-40min to obtain the modified graphene superconducting material.

The invention provides an adsorbent for enriching polyunsaturated fatty acids and ester products thereof. The preparation method is characterized by comprising the following steps: firstly, putting macroporous resin into absolute ethyl alcohol for soaking and filtering; secondly, washing the macroporous resin with water and filtering; thirdly, adding hydrochloric acid into the macroporous resin for soaking; fourthly, mixing barium chloride, strontium sulfate, ferrous chloride, rubidium oxide and zirconium oxide to form a solid mixture; fifthly, adding the hydrochloric acid into the solid mixture and dissolving to obtain a mixed solution; sixthly, adding the treated macroporous resin into the mixed solution and filtering; and seventhly, carrying out vacuum drying on the macroporous resin treated in the sixth step to obtain a final product. The adsorbent can selectively adsorb the polyunsaturated fatty acids and ester products thereof and can be used for multiple times.

The invention relates to an activated water reaction device which comprises a body, a protective cover and a reactor. The protective cover is connected to the top of the body in a screwed manner, and the reactor is mounted inside the body. The activated water reaction device is characterized in that the reactor comprises a filter element, a multi-burn reaction channel is mounted inside the filter element, and water molecule activation materials are placed in the multi-burn reaction channel and comprise calcium carbonate, potassium oxide, iron trioxide, calcium oxide, titanium dioxide, silicon dioxide, sulfur trioxide, manganese oxide, barium oxide, strontium, rubidium oxide, copper oxide and yttrium oxide. The materials with water activation functions are applied to daily necessities, the activated water reaction device is mainly used for purifying and activating drinking water, miniaturizing water molecules and improving dissolved oxygen content and antibacterial ability and is beneficial to health of human heart liver spleen stomach kidney, low in cost, long in service life, economical and environmentally friendly, and an external power supply is omitted.