33results about How to "High color stability" patented technology

The present invention relates to organic light emitting devices (OLEDs). The devices of the present invention are efficient white or multicolored phosphorescent OLEDs which have a high color stability over a wide range of luminances. The devices of the present invention comprise an emissive region having at least two emissive layers, with each emissive layer comprising a different host and emissive dopant, wherein at least one of the emissive dopants emits by phosphorescence.

A composition for sweetening ingestable solids or liquids. The composition is compressed and comprises less than about 7.5 weight-% sucralose and one or more diluents. The composition is compressed at a pressure of greater than 2 pounds per square inch. A method of forming the composition and a system for delivering the composition are also provided.

The invention relates to the technical field of cables and in particular relates to a self-supporting aerial optical cable capable of being identified through night vision. The self-supporting aerial optical cable comprises a cable core, an outer sheath, a reinforcing element, a suspension wire sheath and a rib, wherein the cable core is coated by the outer sheath; the reinforcing element is made of a single steel wire or glass fiber reinforced plastics and is coated by the suspension wire sheath; the rib is used for connecting the suspension wire sheath with the outer sheath; the cable core is formed by a central reinforcer, a plurality of loose tubes and a protective layer, wherein the loose tubes are arranged outside the central reinforcer and are coated by the protective layer; at least an optical fiber is arranged in each loose tube; two marking strips are symmetrically arranged on the suspension wire sheath; the suspension wire sheath, the outer sheath and the rib, which are made of the same materials, are formed integrally; and the marking strips are made of special materials. The self-supporting aerial optical cable has the main beneficial effects that the thickness of the suspension wire sheath is more convenient to control; the suspension wire sheath is smoother and round; the product production speed is higher and the percent of pass of the product is higher; the dead weight of the optical cable is lighter and the suitable span is longer; and the colors of the marking strips are more stable.

The invention relates to the technical field of cables, in particular to a self-supporting optical cable with marking strips. The self-supporting optical cable with the marking strips is formed by a cable core, an outer protecting sleeve wrapping the cable core, a strengthening element, a suspension wire protecting layer wrapping the strengthening element and a rib enabling the suspension wire protecting layer and the outer protecting sleeve to be connected. The cable core is formed by a central strengthening piece located in the center, a plurality of loose sleeve pipes located outside the central strengthening piece and a protecting layer. Optical fibers are arranged in the loose sleeve pipes. The self-supporting optical cable with the marking strips is characterized in that the strengthening element is made of a steel wire or glass fiber strengthening plastic, the two marking strips are symmetrically arranged on the suspension wire protecting layer, and the suspension wire protecting layer, the outer protecting sleeve and the rib are formed integrally and are made of identical materials. The invention further discloses the components and proportions of the marking strips. The self-supporting optical cable with the marking strips has the advantages that the thickness of the suspension wire protecting layer is more convenient to control, more smooth and round, products can be produced faster and are higher in qualified rate, the optical fibers are lower in self-weight and longer in adaptive span, and the color of the marking strips is more stable.

The invention discloses a radiation refrigeration composite coating with structural color, application and a preparation method. The radiation refrigeration composite coating comprises a base layer, and reflection nanoparticles and color forming nanoparticles embedded in the base layer, wherein a reflection valley jointly realized by broadband high reflection of the reflection nanoparticles and local plasmon resonance of the color forming nanoparticles presents the structural color of the radiation refrigeration composite coating. The radiation refrigeration composite coating has relatively strong reflecting capacity in a sunlight wave band (0.3-4 microns), and the reflectivity in most of the sunlight wave bands is up to 0.95. The emissivity in the infrared band (4-24 [mu] m) can be continuously 0.9 or above, and the emissivity in most of the infrared bands can be up to 0.95. The invention can overcome the problem of limited application occasion due to single color of the existing radiation refrigeration coating, thereby having broad application prospects in the fields of building energy saving, surface heat management of outdoor objects and electronic products and the like.

The invention relates to the technical field of cables, and particularly relates to an optical cable capable of being identified at night. The optical cable comprises a cable core, an external sheath, a reinforced member, a suspension wire protective layer and a rib. The cable core is composed of a central reinforced member which is arranged at the center, multiple loose tubes which are arranged outside the central reinforced member, and a protective layer which wraps the multiple loose tubes. The loose tubes are provided with at least one light guide fiber. The suspension wire protective layer is symmetrically provided with two marking strips. The suspension wire protective layer, the external sheath and the rib of the same material are integrally formed. The external sheath is provided with the marking strips. The thickness of the marking strips is 0.2mm-1.0mm, and the marking strips are made of special material. The optical cable capable of being identified at night has the following main beneficial effects that the thickness of the suspension wire protective layer is more convenient to control, the suspension wire protective layer is smoother and round and normal, product production speed is more rapid and the percent of pass is higher; and weight of the optical cable is lower, suitable span is longer and the color of the marking strips is more stable.

The invention provides a powder coating composition prepared from a combination, the combination comprising:A) at least one binder resin and, optionally at least one curing agent,B) at least one calibrated pigmented liquid, based on at least one pigment, and,C) optionally, at least one pigment and / or extenders and / or additive.The powder coating composition of the invention provides a precise colour of the coatings having a desired colour with high colour stability. Therefore there is no need for additional adjustment tests or re-working procedures, and, therefore, it makes it possible to offer efficient, small-batch manufacture of custom colours, for example, to match a swatch of fabric supplied by a customer.

The present invention relates to a FEP color particle production process, wherein a FEP particle material is adopted as a main feeding material, is poured into a material feeding machine, and then is fed to a twin-screw extruder from the material feeding machine, the twin-screw extruder takes color powder from the side direction, the FEP particle material and the color powder are mixed, are extruded from the material outlet of the twin-screw extruder, and are directly introduced into a single-screw extruder, the obtained material passes through a filtration screen and is subjected to strip drawing on a die after a pressure is built, and then water cooling, air drying and pelletizing are performed to prepare the finished product. According to the present invention, the FEP color particle production process has characteristics of high color system stability, short color powder residence time in the screw, no color powder decomposition or yellowing, good product appearance, and 4-5 time increased production capacity.

The invention relates to the technical field of cables, in particular to a salt-fog-resistant optical cable for an electric tower. The salt-fog-resistant optical cable comprises a cable core, an outer sheath covering the cable core, a reinforcement element made of a single steel wire or a glass fiber reinforced plastic, a suspension wire protective layer covering the reinforcement element, and a rib for connecting the suspension wire protective layer with the outer sheath, wherein the cable core is composed of a central reinforcement part positioned in the center, at least one filling rope, a plurality of loose tubes, and a protective layer covering the filling ropes and the loose tubes; the filling ropes and the loose tubes are positioned outside the central reinforcement part; at least one optical fiber is arranged in each loose tube; two marking strips are symmetrically arranged on the suspension wire protective layer; the suspension wire protective layer, the outer sheath and the rib made from the same materials are integrally formed; and the marking strips are made from special materials. The salt-fog-resistant optical cable has the following main benefits: the thickness of the suspension wire protective layer is more convenient to control; the suspension wire protective layer is smoother and rounder; a product is higher in production speed and higher in qualification rate; the optical cable is smaller in self weight and wider in suitable span; and the marking strips are more stable in color.

A dibenzoheterocyclic compound wherein band gaps of HOMO and LUMO energy levels of the dibenzoheterocyclic compound are wide, light can be emitted in a deep blue light-emitting region; and the LUMO energy level of the dibenzoheterocyclic compound is low, so the LUMO energy level matches with an electron transport layer for electrons injection and transport. The dibenzoheterocyclic compound has hole transport performance, so as a light-emitting layer material, the dibenzoheterocyclic compound balances the ratio of electrons to holes in a light-emitting layer increasing the combination probability and improving the device light-emitting efficiency. The spatial configuration of the dibenzoheterocyclic compound avoids material stacking molecules, reduces annihilation of excitons, and inhibits efficiency roll-off. The dibenzoheterocyclic compound has thermal stability, so deep blue light can be emitted efficiently and stably. With an organic light-emitting diode and a deep blue light-emitting device with high light-emitting efficiency, low working voltage can be obtained.

The invention relates to the technical field of cables, in particular to a self-bearing type optical cable for an electric tower. The self-bearing type optical cable comprises a cable core, an outer sheath covering the cable core, a reinforcement element made of a single steel wire or a glass fiber reinforced plastic, a suspension wire protective layer covering the reinforcement element, and a rib for connecting the suspension wire protective layer with the outer sheath, wherein the cable core is composed of a central reinforcement part positioned in the center, a plurality of loose tubes positioned outside the central reinforcement part, and a protective layer covering the loose tubes; optical fibers are arranged in each loose tube; two marking strips are symmetrically arranged on the suspension wire protective layer; the suspension wire protective layer, the outer sheath and the rib made from the same materials are integrally formed; a marking belt is arranged on the outer sheath; the thickness of each marking strip is 0.2-1.0mm; and the marking strips are made from special materials. The self-bearing type optical cable has the following main benefits: the thickness of the suspension wire protective layer is more convenient to control; the suspension wire protective layer is smoother and rounder; a product is higher in production speed and higher in qualification rate; the optical cable is smaller in self weight and wider in suitable span; and the marking strips are more stable in color.

An N-substituted triacetonediamine compound is produced by reacting 4-amino-2,2,6,6-tetramethylpiperidine or a derivative thereof with a carbonyl compound in a reductive amination.

The invention relates to the technical field of cables, especially to a color-locking optical cable which comprises a cable core, an outer sheath wrapping the cable core, a reinforcing element made of a single steel wire or glass fiber reinforced plastics, a supporting wire protective layer wrapping the reinforcing element, and ribs connecting the supporting wire protective layer and the outer sheath, wherein the cable core consists of a central reinforcing member in the center, at least one filler rope or a plurality of loosen sleeves outside the central reinforcing member and a protective layer wrapping up the filler rope and the loosen sleeves, the loosen sleeves have at least one optical fiber, two identification strips are symmetrically arranged on the supporting wire protective layer, the supporting wire protective layer, the outer sheath and the ribs are integrally formed and made of same materials, the outer sheath has identifying strips made of special materials. The color-locking optical cable is advantageous in that the thickness of the supporting wire protective layer is easy to control, the supporting wire protective layer is smoother and round, the production speed is faster, the qualified rate is higher, the deadweight of the optical cable is lighter, the color-locking optical cable is applicable to longer span, and the colors of the identification strips are more stable.

The invention relates to the technical field of cables and in particular relates to a self-supporting optical cable used for power or communication. The self-supporting optical cable comprises a cable core, an outer sheath, a reinforcing element, a suspension wire sheath and a rib, wherein the cable core is formed by a central reinforcer, at least a filler, a plurality of loose tubes and a protective layer; the fillers and the loose tubes are arranged outside the central reinforcer and are coated by the protective layer; at least an optical fiber is arranged in each loose tube; two marking strips are symmetrically arranged on the suspension wire sheath; the suspension wire sheath, the outer sheath and the rib, which are made of the same materials, are formed integrally; the outer sheath is provided with a marking belt; and the marking strips are 0.2-1.0mm in thickness and are made of special materials. The self-supporting optical cable has the main beneficial effects that the thickness of the suspension wire sheath is more convenient to control; the suspension wire sheath is smoother and round; the product production speed is higher and the percent of pass of the product is higher; the dead weight of the optical cable is lighter and the suitable span is longer; and the colors of the marking strips are more stable.

The invention relates to the technical field of cables, in particular to a communication optical cable with marking strips. The communication optical cable comprises a cable core, an outer sheath covering the cable core, a reinforced element made of a single steel wire or glass fiber reinforced plastics, a suspension wire protective layer covering the reinforced element, and a rib connected with the suspension wire protective layer and the outer sheath, wherein cable core comprises a center reinforcer positioned in the center, a plurality of loose tubes positioned outside the center reinforcer, and a protective layer covering the loose tubes; the loose tubes comprise at least one light-guide fiber; two marking strips are symmetrically arranged on the suspension wire protective layer; the suspension wire protective layer, the outer sheath and the rib made of the same materials are formed integrally; a marking band is arranged on the outer sheath; the marking strips are made of special materials. The communication optical cable has the following benefits: the thickness of the suspension wire protective layer is more convenient to control, the suspension wire protective layer is smoother and rounder, the production speed of products is higher, and the percent of pass is high; the dead weight of cables is lighter, the suitable span is longer, and the color of the marking strips is more stable.

To provides a polymerizable composition having high storage stability and high color stability. To provide a two-paste type dental polymerizable composition of the present invention is a two-paste type dental polymerizable composition comprising a first paste containing (A) at least one kind of polemerizable monomer, an (B) organic peroxide as a chemical polymerization initiator, and a (C) basic filler, and a second paste containing (A) at least one kind of polemerizable monomer, a (C) basic filler and an (D) aromatic amine compound as a chemical polymerization accelerator, wherein the second paste contains 30 to 80 parts by weight of the (C) basic filler based on 100 parts by weight of the total amount of the second paste.

The invention relates to the technical field of cables, especially to an easily-identifiable communication optical cable for power grid use. The optical cable comprises a cable core, an outer sheath wrapping the cable core, a reinforcing element made of a single steel wire or glass fiber reinforced plastics, a supporting wire protective layer wrapping the reinforcing element, and ribs connecting the supporting wire protective layer and the outer sheath, wherein the cable core consists of a central reinforcing member in the center, at least one filler rope or a plurality of loosen sleeves outside the central reinforcing member and a protective layer wrapping up the filler rope and the loosen sleeves, and the loosen sleeves have at least one optical fiber. In the cable core, the filler rope and the loosen sleeves are twisted about the central reinforcing member in a spiral twisting or clockwise-counterclockwise twisting, and identification strips are made of special materials. The optical cable is advantageous in that the thickness of the supporting wire protective layer is easy to control, the supporting wire protective layer is smoother and round, the production speed is faster, the qualified rate is higher, the deadweight of the optical cable is lighter, the color-locking optical cable is applicable to longer span, and the colors of the identification strips are more stable.

The invention discloses a method for preparing a non-toxic imitation melanin hair dye and a hair dyeing method; a method for preparing a non-toxic imitation melanin hair dye, which is characterized in that: the hair dye includes agent A and agent B, and the agent A and Agent B is prepared according to the following steps: 1. Under low temperature (0-4°C), dissolve the amphiphilic block copolymer with gel-solution temperature-sensitive properties in a solution with a concentration of 10-50mM and a pH of 4-4°C. 6 in the acetic acid-sodium acetate buffer solution to prepare an intermediate reaction solution; the mass concentration of the copolymer in the prepared intermediate reaction solution is (15~30)% (w / v); two, dopamine is uniformly dissolved in step one In the intermediate reaction liquid prepared, obtain A agent; The mass concentration of dopamine in A agent is (0.1~15) mg / ml; Three, the sodium periodate is uniformly dissolved in the intermediate reaction liquid prepared in step 1, obtains B agent; the mass concentration of sodium periodate in agent B is (30-60) mg / ml; the present invention can be widely used in various groups of people and in the production of wigs.

A dibenzoheterocyclic compound having a structure shown in a formula wherein the dibenzoheterocyclic compound has a low LUMO energy level and can be matched with an electron transport material favorable for injection and transport of electrons. The dibenzoheterocyclic compound has hole transport performance. As a light-emitting layer material, the dibenzoheterocyclic compound balances the ratio of electrons to holes in a light-emitting layer increasing the combination probability and improving the light-emitting efficiency of a device. The spatial configuration of the dibenzoheterocyclic compound avoids stacking of material molecules, avoiding generation of high energy excitons due to energy transfer among molecules, reducing annihilation of excitons, and inhibiting efficiency roll-off. The dibenzoheterocyclic compound has thermal stability, so blue light can be emitted efficiently and stably. An organic light-emitting diode contains the dibenzoheterocyclic compound, and a blue light-emitting device with high blue light-emitting efficiency and low driving voltage.

The invention provides a powder coating composition prepared from a combination, the combination comprising:A) at least one binder resin and, optionally at least one curing agent,B) at least one calibrated pigmented liquid, based on at least one pigment, and,C) optionally, at least one pigment and / or extenders and / or additive.The powder coating composition of the invention provides a precise color of the coatings having a desired color with high color stability. Therefore there is no need for additional adjustment tests or re-working procedures, and, therefore, it makes it possible to offer efficient, small-batch manufacture of custom colors, for example, to match a swatch of fabric supplied by a customer.

A system and method for filling joints in concrete. The system includes an A-side joint filler compound portion, a B-side joint filler compound portion, and a liquid pigment portion, which are mixed together in a mixing container initially containing only the A-side joint filler compound portion. The portions are mixed using a mixing rod. An elongate nozzle is then attached to the mixing container, and the mixing container added to an application gun for application to the joint.

The invention relates to the technical field of cables, in particular to an electric optical cable. The electric optical cable comprises a cable core, an outer sheath covering the cable core, a reinforcement element made of a single steel wire or a glass fiber reinforced plastic, a suspension wire protective layer covering the reinforcement element, and a rib for connecting the suspension wire protective layer with the outer sheath, wherein the cable core is composed of a central reinforcement part positioned in the center, a plurality of loose tubes positioned outside the central reinforcement part, and a protective layer covering the loose tubes; at least one optical fiber is arranged in each loose tube; two marking strips are symmetrically arranged on the suspension wire protective layer; the suspension wire protective layer, the outer sheath and the rib made from the same materials are integrally formed; and the marking strips are made from special materials. The electric optical cable has the following main benefits: the thickness of the suspension wire protective layer is more convenient to control; the suspension wire protective layer is smoother and rounder; a product is higher in production speed and higher in qualification rate; the optical cable is smaller in self weight and wider in suitable span; and the marking strips are more stable in color.

The invention relates to the technical field of cables, in particular to a self-supporting optical cable with marking strips. The self-supporting optical cable with the marking strips is formed by a cable core, an outer protecting sleeve wrapping the cable core, a strengthening element, a suspension wire protecting layer wrapping the strengthening element and a rib enabling the suspension wire protecting layer and the outer protecting sleeve to be connected. The cable core is formed by a central strengthening piece located in the center, a plurality of loose sleeve pipes located outside the central strengthening piece and a protecting layer. Optical fibers are arranged in the loose sleeve pipes. The self-supporting optical cable with the marking strips is characterized in that the strengthening element is made of a steel wire or glass fiber strengthening plastic, the two marking strips are symmetrically arranged on the suspension wire protecting layer, and the suspension wire protecting layer, the outer protecting sleeve and the rib are formed integrally and are made of identical materials. The invention further discloses the components and proportions of the marking strips. The self-supporting optical cable with the marking strips has the advantages that the thickness of the suspension wire protecting layer is more convenient to control, more smooth and round, products can be produced faster and are higher in qualified rate, the optical fibers are lower in self-weight and longer in adaptive span, and the color of the marking strips is more stable.

The invention relates to the technical field of cables, in particular to a self-bearing type optical cable for a power grid or a communication network. The self-bearing type optical cable comprises a cable core, an outer sheath, a reinforcement element, a suspension wire protective layer and a rib, wherein the cable core is composed of a central reinforcement part, a plurality of loose tubes and a protective layer; at least one optical fiber is arranged in each loose tube; two marking strips are symmetrically arranged on the suspension wire protective layer; the suspension wire protective layer, the outer sheath and the rib made from the same materials are integrally formed; in the cable core, the loose tubes are stranded around the central reinforcement part; the stranding mode is spiral stranding or forward and reverse stranding; a marking belt is arranged on the outer sheath; the thickness of each marking strip is 0.2-1.0mm; and the marking strips are made from special materials. The self-bearing type optical cable has the following main benefits: the thickness of the suspension wire protective layer is more convenient to control; the suspension wire protective layer is smoother and rounder; a product is higher in production speed and higher in qualification rate; the optical cable is smaller in self weight and wider in suitable span; and the marking strips are more stable in color.