43results about How to "Improves moisture stability" patented technology

The present invention relates to devices comprising metal halide perovskites and organic passivating agents. In particular, the invention relates to photovoltaic and optoelectronic devices comprising passivated metal halide perovskites. The device according to the invention comprises: (a) a metal halide perovskite; and (b) a passivating agent which is an organic compound; wherein molecules of the passivating agent are chemically bonded to anions or cations in the metal halide perovskite. The invention also provides a process for producing a photovoltaic device, which photovoltaic device comprises: (a) a metal halide perovskite; and (b) a passivating agent which is an organic compound; wherein molecules of the passivating agent are chemically bonded to anions or cations in the metal halide perovskite, wherein the process comprises treating a metal halide perovskite with a passivating agent, which passivating agent is an organic compound and is suitable for chemically bonding to anions or cations in the metal halide perovskite.

A phosphor is formed with a glass coating layer on a surface of a phosphor grain to have improved moisture and/or thermal stability. A method for manufacturing the phosphor comprises preparing phosphor grains excitable by light, and forming a glass coating layer on a surface of each phosphor grain. The glass coating layer may be formed by mixing the phosphor grains with a glass composition; heat-treating a mixture of the phosphor grains and the glass composition to make the glass composition melt and surround the phosphor grains; and cooling and breaking the heat-treated mixture to provide phosphors, each comprising the phosphor grain having the glass coating layer formed on a surface of the phosphor grain.

A polyisocyanate composition, coating composition and method of manufacturing coating material are provided. A polyisocyanate composition exhibiting high dryness, and further excellent in moisture stability and compatibility with a polyol, a coating composition containing the same, and a coating method thereof are provided. A polyisocyanate composition comprises a polyisocyanate composition obtained from one or more diisocyanates selected from the group consisting of aliphatic diisocyanates and alicyclic diisocyanates and one or more diols; in the polyisocyanate composition, the molar ratio of the ureido group / (ureido + isocyanurate group) is from 0.0001 to 0.1, and the allophanate group / (isocyanurate group + urea Carboxylate group) is in the range of 0.2 to 0.9.

The invention provides a method for improving the tobacco shred making quality of reconstituted tobacco. The method comprises the specific steps of putting, manual fragmentation, super-return loosening, tobacco moistening and feeding, tobacco storage, shredding, moisture regulation and control, drying and tobacco shred storage. The process of moisture regulation and control is added, and the problems are solved that the technological path is long, the reconstituted tobacco has special moisture absorption performance, the water content in the material process is excessively influenced by the temperature and humanity of the environment, and accordingly the water content of batch-to-batch drying inlets is obviously fluctuated; the water content of shredded materials is stable, the stability of batch-to-batch moisture of the materials which enter the drying process is guaranteed, the water content of materials of drying outlets meets the processing requirement, the stability of the processing intensity and dewatering amount in the batch-to-batch tobacco shred drying process is achieved, and the stability of the smoking quality of the reconstituted tobacco shreds of tobacco shred dryingoutlets is guaranteed. Compared with other methods, the method has the advantages that the technological path is less changed, the reconstitution investment is low, the energy is saved, the consumption is lowered, and meanwhile workshops do not need to be newly built or rebuilt.

The invention provides visible light absorbing glass which comprises the following elements in mole percent: 0-10% of a manganese element, 0-5% of a chromium element; 0-3% of a nickel element, 0-3% ofa cobalt element, 0-3% of a vanadium element and 0-0.5% of a molybdenum element, wherein the sum of the mole percentages of the manganese, chromium, cobalt and vanadium elements is more than or equalto 5%. The invention also provides a preparation method and application of the visible light absorbing glass. The visible light absorption glass prepared by the method of the invention has higher light absorption effect in the range of 300-700 nm; and the transmittance of the visible light absorbing glass is less than or equal to 0.5% under the thickness of 0.20 mm. At the same time, the visiblelight absorbing glass is easy to melt and form, has no internal defects such as bubbles, caking, stripes and the like, has good devitrification resistance, moisture resistance and composition stability, and meets the preparation process requirements of optical fiber imaging elements in thermal performance.

Disclosed is a moisture barrier film for an organic-inorganic hybrid photovoltaic cell which includes an ionic polymer. Also disclosed is an organic-inorganic hybrid photovoltaic cell including the moisture barrier film. The photovoltaic cell has a structure in which the moisture barrier film including an ionic polymer is formed on an absorber layer including an organic-inorganic hybrid perovskite compound. Due to this structure, the moisture barrier film effectively protects the organic-inorganic hybrid perovskite absorber layer, which is very susceptible to moisture, and other constituent layers, from moisture from the external environment so that excellent characteristics of the photovoltaic cell can be maintained for a long time. In other words, the moisture barrier film including an ionic polymer is interposed between the absorber layer and a hole transport layer or between the hole transport layer and a second electrode to enhance the physical and chemical binding therebetween.

An energy-absorbing block is described for use as (or in conjunction with) bumpers and similar objects used to receive and dissipate large amounts of impact energy. The block includes an inner core at least partially formed of elastomeric materials, such as rubber from discarded vehicle tires, with the core being at least substantially surrounded by an outer shell which is preferably at least partially formed of a rigid thermoplastic material. The block may also contain a reinforcing layer of material, such as glass fiber or fabric, positioned between the core and the shell or interspersed within the shell. The block may be mounted to a bumper such as a guardrail, and/or to a mounting structure such as a guardrail post or loading dock, via a fastener inserted through a mounting bore in the block.

The present disclosure discloses a method of manufacturing a multilayer perovskite structure, and a multilayer perovskite structure and solar cell manufactured using the same. The method of manufacturing a multilayer perovskite structure according to an embodiment of the present disclosure includes a step of forming a first perovskite layer using a compound including a first perovskite precursor on a base substrate; a step of forming a second perovskite layer using a compound including a second perovskite precursor on a donor substrate; and a step of laminating the first and second perovskite layers so that the first and second perovskite layers contact each other and then applying heat or pressure to form a multilayer perovskite structure.

The invention provides a polyisocyanate composition and a preparation method thereof. The polyisocyanate composition contains a compound A shown in a formula I and a compound B shown in a formula II below. The molar ratio of the compound A to the compound B is (5 to 100):1, preferably (10 to 80):1, and more preferably (20 to 50):1. A preparation method of the polyisocyanate composition includes the steps that after a diisocyanate monomer is subjected to a polymerization reaction under the action of a quaternary ammonium salt and/or phosphonium salt catalyst, two-stage film evaporating is conducted to obtain a polyisocyanate; and then the polyisocyanate is subjected to one-step heat treatment to obtain the polyisocyanate composition. The polyisocyanate composition also capable of having excellent moisture stability under the situation of not additionally adding any additive or changing components of the composition can be provided.

The invention provides an aluminum alloy plate which has an adhesive strength difficult to reduce and excellent adhesive durability, and a joint body and an automobile member using the same aluminum alloy plate. The aluminum alloy plate is difficult to boundary disengagement with a joint boundary of an adhesive agent even though the aluminum alloy plate being exposed in high-temperature and moist environment and in salt water spray environment. The aluminum alloy plate is characterized in that: the aluminum alloy plate comprises an aluminum alloy substrate (1) and a surface scale film (2) formed on a surface of the aluminum alloy substrate (1). In the surface scale film (2), zirconium weight is 0.01-10 atoms %, magnesium weight is greater than or equal to 0.1 atom % and less than 10 atoms %. In the analysis of the surface scale film (2) with FT-IP (Fourier transform infrared spectrophotometer) at a 75-degree incident angle, absorbance is for indicating the light spectrum of a metal hydroxide, a reference line is from 400 cm-1 to 1800 cm-1, the height of a spectrum peak is less than or equal to 0.020 in a wave number part of 1060 cm-1.

The present invention relates to imatinib dichloroacetate and an anti-cancer agent comprising the same. The imatinib dichloroacetate of the present invention can inhibit tyrosine kinase as well as induce cancer cells to kill themselves via apoptosis, thereby inhibit growth of cancer cells and lead to their destruction, and show significantly enhanced anti-cancer effects by synergy between imatinib and dichloroacetic acid.

The invention provides sugar-type radix ginseng cookies. The sugar-type radix ginseng cookies are prepared from the following raw materials in parts by weight: 90.7-119.7 parts of low-gluten flour, 18.9-29.3 parts of eggs, 1.7-3.1 parts of radix ginseng, 4.5-9.7 parts of white granulated sugar, 5.9-9.1 parts of swelling agents, 1.2-3.7 parts of trehalose, 30.5-45.8 parts of butter, 2.9-7.9 parts of an emulsifier, 70.9-85.4 parts of milk, 1.3-3.2 parts of black sesame, 2.3-3.7 parts of salt and 6.9-8.3 parts of honey; the swelling agents are prepared from 1.5-1.9 parts of sodium bicarbonate, 0.9-1.3 parts of calcium hydrophosphate and 5.0 parts of purified water; the trehalose is low-calorie sugar, and has a moisturizing effect, is resistant to heat and acids, is used for improving water retention and the organization structure and the taste of food, and is not easy to run off after being combined with water; the trehalose has good moisture stability, and can improve moisture stability,mouthfeel and softness of the cookies when being applied to the cookies, so that growth of bacteria is inhibited; the cookies contain radix ginseng components, and have the effects of conditioning physical weakness, enhancing the immunity level and alleviating physical fatigue.

The invention provides ultraviolet, visible and near-infrared light absorbing glass. The glass contains the following elements, in percentages by molar: 0-10% of an iron element, 0-5% of a vanadium element, 0-5% of a nickel element, 0-5% of a cobalt element, 0-3% of a copper element, and 0-0.5% of a molybdenum element. The invention also provides a preparation method and application of the above visible light absorbing glass. According to the method provided by the invention, the ultraviolet, visible and near-infrared light absorbing glass prepared by the method has a higher light absorption effect in the range from 200 nm to 2500 nm, and the ultraviolet, visible and near-infrared light absorbing glass has transmittance of <=0.1% at a thickness of 0.20 mm; and meanwhile the ultraviolet, visible and near-infrared light absorbing glass is easy to form, has no internal defects such as bubbles, stone and stripes, and has good anti-crystallization performance, moisture-resistant stability and component stability, and the thermal performance satisfies requirements for a preparation process of optical fiber imaging components.

The invention discloses a dense flint optical glass and a preparation method thereof. The dense flint optical glass contains the following ingredients, calculated by the weight of compounds: 1.01-3% of SiO2, 0-3% of B2O3, 6.01-12.1% of K2O, 0-4% of Na2O, 13-20% of TiO2, 43-52% of Nb2O5 and 19-24.9% of P2O5; the total amount of SiO2 and B2O3 is 1.01-4.2%; the total amount of Na2O and K2O is 6.01-12.1%; and the optical glass does not contain the components of Li2O, Bi2O3, WO3, La2O3, Sb2O3, Gd2O3, Y2O3 or Ta2O5. The optical glass of the invention has good permeation performance, chemical stability and moisture stability, and transition temperature Tg of no more than 685 DEG C, and is suitable for compression molding and mass production.

Provided is a thin film semiconductor device that exploits excitonic characteristics of various organic semiconductor materials. The device may include an anode (120), a cathode (170), and a donor-acceptor heterojunction (150) disposed between the anode and the cathode. The donor-acceptor heterojunction may further include an acceptor material (404) having a highest occupied molecular orbital (HOMO) and a lowest unoccupied molecular orbital (LUMO), and a donor material (402) comprising a hybrid organic-inorganic metal halide perovskite semiconductor. Other embodiments are disclosed and additional embodiments are also possible.

The invention provides a slow-release compound fertilizer. The slow-release compound fertilizer comprises a basic compound fertilizer, chitosan, mineral oil, nano cellulose and a water-retaining agent, wherein the basic compound fertilizer serves as a core and is sequentially coated with a first film layer and a second film layer, the first film layer comprises chitosan and mineral oil, and the second film layer comprises nanocellulose and a water-retaining agent; the slow release effect is achieved, the moisture stability in the soil is maintained and improved, sufficient nutrients in the soil are maintained, the absorption of the plants to the basic compound fertilizer is efficiently promoted, and the growth and development of the plants are promoted; and the release speed of nutrient substances in the soil is reduced, the utilization efficiency of the fertilizer is improved, and the pollution to the surrounding environment is effectively avoided. The preparation method comprises the following steps: firstly, preparing a first film layer coating liquid from chitosan and mineral oil, coating the surface of fertilizer particles with the first film layer coating liquid, and then coating the outer surface with a second film layer coating liquid formed by nano cellulose and a water-retaining agent, thereby preparing the double-layer coated slow-release fertilizer particles.

The present invention relates to a pharmaceutical composition containing an alkyl carbamoyl naphthalenyloxy octenoyl hydroxyamide phosphate compound (hereinafter referred to as CG200745PPA) or a derivative thereof, and can provide a pharmaceutical composition in a tablet, granule, powder, capsule, dry syrup or injection form. By providing the composition in various forms, a suitable form can be selected and easily applied when oral administration is difficult.

The invention belongs to the field of preparation of novel electronic components, and particularly relates to a perovskite 2D/3D LED structure and a preparation method thereof. According to the invention, the moisture stability of unsealed films and devices of the LED under high humidity is obviously improved; the 2D covering layer causes greater Fermi level splitting in the 2D-3D perovskite thinfilm, resulting in higher turn-on voltage: in the 2D-3D perovskite device, hole extraction is also promoted, and energy band arrangement and non-radiative recombination in a sub-energy gap state are reduced. The perovskite 2D/3D LED structure is simple and compact in structure, a passivating agent does not need to be additionally added, the advantages of a two-dimensional material and a three-dimensional material are considered, the performance of the perovskite LED can be improved, and meanwhile long-term stability is obtained.

The present invention provides a polyisocyanate composition with storage stability under humid conditions. The polyisocyanate composition comprises a compound A which is obtained through a trimerization reaction of an aliphatic (cyclic) diisocyanate monomer, has an isocyanurate structure and is represented by the following formula (I), and the addition amount of the compound A is more than 20 ppm and less than 500 ppm relative to the mass of the polyisocyanate composition. In the compound A, the X is an N or P atom, the Z is an O or S atom, one or two of R1, R2 and R3 are halogen atoms, and the others are the same or different aryl, alkyl, aryloxy and alkoxy with the carbon number of 1-10.