79 results about "Platinum complex" patented technology

The invention relates to the technical field of organic silicon catalysis, and discloses a hydrosilylation reaction catalyst and a preparation method thereof, the catalyst is prepared from a platinum complex catalyst solution, maleic anhydride, triphenyl borate, tetraethoxysilane, propylene carbonate and diethylene glycol dibutyl ether; the preparation method comprises the steps of solvent water removal, electronic relay adduct preassembly, active metal introduction, thermal induction aging and the like. An electron-deficient coordination center is constructed through a step-by-step process, the electron cloud density of the platinum center is reduced by utilizing the Lewis acid characteristic of triphenyl borate, and the solvent cage effect of propylene carbonate is matched, so that the high-temperature tolerance of the catalyst is improved, and the generation of platinum black is effectively inhibited; meanwhile, the solubilizing and bridging effects of diethylene glycol dibutyl ether are utilized, the compatibility problem of a high-polarity component and a non-polar silicone oil matrix is solved, and the obtained catalyst has high activity, high regioselectivity and excellent long-term storage stability.

Tetradentate platinum complexes including an imidazole / benzimidazole carbene having a structure of Formula Iis disclosed. In Formula I, M is Pd or Pt. These platinum carbenes with the specific substituents disclosed herein are novel and provides phosphorescent emissive compounds that exhibit physical properties that can be tuned, such as sublimation temperature, emission color, and device stability.

The invention discloses an organic light-emitting device which comprises a first electrode, a second electrode and an organic layer between the first electrode and the second electrode. The organic layer comprises a light-emitting layer, the light-emitting layer comprises a P-type main body material, an N-type main body material, a first doping material and a second doping material, the P-type main body material is shown as a formula 1-1 or a formula 1-2, and the N-type main body material is selected from a triazine compound; the first doping material is selected from a platinum complex or a platinum complex; and the second doping material is a B / N type MR-TADF material. The luminous layer of the device improves chemical stability, photoelectric stability and thermal stability of a compound through deuteration at active sites of a GH-P material, improves stability of the device, further prolongs service life, combines GH-N to form a double-main-body material, and is matched with a small amount of precious metal first doping material and second doping material, so that the luminous efficiency of the device is improved. Therefore, better efficiency and longer service life are realized.

The invention provides a rubber composite material as well as a preparation method and application thereof, and belongs to the technical field of bridge supports. The rubber composite material comprises the following raw materials in parts by mass: 100 parts of matrix resin, 35-45 parts of hydroxyl modified fumed silica, 8-12 parts of a plasticizer, 3-5 parts of nano-zinc oxide, 3-5 parts of a composite anti-aging agent, 3-4 parts of a coloring agent, 2-2.8 parts of a cross-linking agent, 1-2 parts of a coupling agent and 0.05-0.1 part of a platinum complex catalyst, wherein the composite anti-aging agent comprises a hindered amine stabilizer and an organic tin antioxidant. The obtained rubber composite material is excellent in weather resistance, free of cracking after ozone exposure and wide in temperature adaptability, the tensile strength is improved by 20%, the compression set is reduced by 52%, the mechanical property is obviously improved, the rubber composite material is applied to a bridge support, the service life of the prepared support can reach 60 years or above, and the service life of the bridge support is greatly prolonged.

The invention provides alkoxy-terminated polysiloxane and a preparation method thereof.107 silicone rubber, a platinum catalyst and an end-capping reagent are mixed and stirred at the room temperature for a dehydrogenation reaction, and the alkoxy-terminated polysiloxane is obtained. The end-capping reagent is obtained by mixing hydrogen-containing double end caps, vinyl siloxane and a platinum complex catalyst and then reacting at the temperature of 20-35 DEG C. The preparation process of the terminated 107 silicone rubber is carried out at room temperature, the raw material cost is low, the process is simple, the condition is mild, and the method is safe and energy-saving. The prepared terminated 107 silicone rubber is colorless transparent liquid, and has the advantages of controllable viscosity, high product termination rate, no viscosity peak and good storage stability. In addition, the reaction endpoint is easy to judge, and the reaction endpoint can be determined according to whether a viscosity peak exists or not.

The invention belongs to the technical field of preparation of organic electroluminescent materials, and particularly relates to a tetradentate ring metal platinum (II) complex, an electronic device and application of the tetradentate ring metal platinum (II) complex. The invention provides a tetradentate platinum (II) complex obtained by introducing 2, 6-diisopropyl phenyl to different positions of carbazole, and the complex has a structure as shown in a formula (I). The introduction of 2, 6-diisopropyl phenyl reduces the interaction between molecules, the group has good solubility, so that the platinum complex has good spin-coating performance, and the provided compound has good chemical stability, can improve and balance the transport of holes and electrons, enables the energy transmission between a subject and an object to be more efficient, and has a good application prospect. Specifically, the compound or the composition provided by the invention is used for improving the current efficiency and prolonging the service life of the organic light-emitting device, and has a great application prospect in the fields of OLED display and illumination.

The present invention provides an ultraviolet-curable silicone composition that can be cured by ultraviolet irradiation without requiring a heating step under the atmosphere and gives a cured product having good adhesive strength. 【Solution means】An ultraviolet-curable silicone composition, characterized in that it contains the following components (A) to (D). (A) A unit represented by the following formula (1), R 1 3SiO 1 / 2 unit, R 1 2SiO 2 / 2 unit and SiO 4 / 2 A unit having a unit as a constituent unit, and an organopolysiloxane resin in which 5% or more of the total number of monovalent organic groups bonded to silicon atoms are aryl groups TIFF2026058401000011.tif2691 (B) An organosilicon compound having two or more hydrogen atoms bonded to silicon atoms in one molecule and having an acryloyloxyalkyl group, a methacryloyloxyalkyl group, an acryloyloxyalkyloxy group, or a methacryloyloxyalkyloxy group bonded to silicon atoms (C) A photoactive platinum complex catalyst (D) A photopolymerization initiator

The invention belongs to the technical field of chemical analysis and detection. The invention provides a platinum complex fluorescent probe as well as a preparation method and application thereof in detection of water. The chemical formula of the platinum complex fluorescent probe is C23H16ClN3Pt; the preparation method comprises the following steps: 1, under the protection of argon, mixing terpyridine, potassium tetrachloroplatinate, deionized water and dimethyl sulfoxide in a round-bottom flask, heating, stirring, carrying out reflux reaction, cooling to room temperature, adding concentrated hydrochloric acid, carrying out suction filtration to obtain a precipitate, and drying to obtain Pt-Cl; 2, Pt-Cl, phenylacetylene, cuprous iodide, N, N-dimethylformamide and triethylamine are mixed into a round-bottom flask, then argon is pumped and replaced for multiple times, after a reaction, suction filtration is conducted, precipitates are obtained, washing and drying are conducted, and the catalyst is obtained. The platinum complex fluorescent probe is applied to detection of water and has the advantages of specific selectivity, high sensitivity, wide detection concentration range and the like, so that the detection can better meet the current requirements.

The present invention is an ultraviolet-curable silicone composition containing the following components (A)-(D). (A) an organopolysiloxane resin having, as constituent units, a unit represented by formula (1) below, an R1 3SiO1 / 2 unit, an R1 2SiO2 / 2 unit, and an SiO4 / 2unit, wherein 5% or more of the total number of monovalent organic groups bonded to silicon atoms are aryl groups; (B) an organic silicon compound having two or more hydrogen atoms bonded to the silicon atoms in one molecule and having an acryloyloxyalkyl group, a methacryloyloxyalkyl group, an acryloyloxyalkyloxy group, or a methacryloyloxyalkyloxy group bonded to a silicon atom; (C) a photoactive platinum complex catalyst; and (D) a photopolymerization initiator. As a result, the present invention provides an ultraviolet-curable silicone composition that can be cured by ultraviolet irradiation without requiring a heating step in the atmosphere, and that provides a cured product having good adhesive strength.

The invention belongs to the technical field of photoelectric materials, and discloses a divalent platinum complex, a preparation method and application thereof and an organic photoelectric device, the divalent platinum complex has a structure as shown in formula (I): Ra, Rb, Rc, Rd and Re are the same or different and are independently selected from monatomic substituent groups or polyatomic substituent groups; ha, Hb, Hc, Hd and He are the same or different and are each an H atom or a D atom; according to the invention, a 2, 6-diisopropyl-4-phenyl substituent group is introduced to carbene nitrogen, and a blue-phosphorescent material and a device with high luminous performance are obtained;

The application relates to a platinum complex fluorescent probe and application thereof in hypochlorite detection and trivalent metal ion detection. The structure formula of the platinum complex fluorescent probe is shown in the following formula. The platinum complex fluorescent probe described in the application has good selectivity and high sensitivity to hypochlorite and trivalent metal ions, fills the blank that no compound capable of detecting both hypochlorite and trivalent metal ions is found in the prior art, and meanwhile, the preparation method of the platinum complex fluorescent probe has mild reaction conditions.

The invention discloses an azide modified platinum radiotherapy sensitizer as well as a preparation method and application thereof. The azide modified platinum radiotherapy sensitizer is an azide modified platinum complex, comprises a cis platinum complex and a trans platinum complex, and is characterized in that the structure of the azide modified platinum radiotherapy sensitizer is shown in the specification; in the formula I, R1 is cyclohexylamine or 2-methylpyridine; in the formula II, R2 is ammonia molecules or pyridine. The azide modified platinum radiotherapy sensitizer can generate a platinum-nitrogen-bin free radical under the irradiation of X rays, and by utilizing a nitrogen transfer reaction in organic chemistry, the platinum-nitrogen-bin free radical generated after the compound is irradiated by rays can be covalently coupled with some DNA (Deoxyribose Nucleic Acid) or protein, so that the sensitivity of the radiotherapy sensitizer is improved. The radiotherapy sensitization effect in tumor radiotherapy is achieved by directly damaging DNA and hindering DNA repair.

The invention provides a release film for a car cover and a preparation method of the release film. The release film for the car cover comprises a PET (Polyethylene Terephthalate) base film layer and a release layer formed by coating a release agent on the PET base film layer, the release agent is prepared from the following raw materials in parts by weight: 80 to 100 parts of siloxane resin A, 20 to 0 part of siloxane resin B, 0.5 to 1.0 part of hydrogen-containing silicone oil, 0.3 to 0.5 part of an epoxy silane coupling agent, 2.0 to 2.5 parts of a platinum complex catalyst and 1200 to 1500 parts of an organic solvent. The release film for the car cover has the advantages of good glue leveling and spreading effects, no shrinkage cavity defect on the glue surface, high residual adhesion rate, small aging release force climbing and stable performance, has good market application prospects, and is suitable for large-scale application in preparation of car cover color changing films and protective films.

This invention belongs to the field of organosilicon thermally conductive materials, and provides a liquid silicone rubber system for thermally conductive pads and its preparation method. The system comprises vinyl-terminated dimethyl polysiloxane, MQ / phenyl-enriched pre-crosslinked polysiloxane microgel, vinyltrimethoxysilane-modified hexagonal boron nitride, alumina, trimethylsilane-terminated dimethylsiloxane-methylhydrosiloxane copolymer, 1,3-divinyl-1,1,3,3-tetramethyldisiloxane zero-valent platinum complex, and 1-ethynyl-1-cyclohexanol, forming a two-component packaging. This system is advantageous in balancing thermal conductivity, electrical insulation, flowability, defoaming, softness and fit, and long-term stability, making it suitable for the preparation of thermally conductive pads.

The invention relates to a platinum compound-containing transdermal absorption type composition for delaying skin aging as well as a preparation method and application thereof, and belongs to the technical field of cosmetics. The invention provides a transdermal absorption type composition containing a platinum compound, which can obviously improve the skin permeability of the olive leaf extract, so that active substances can more easily penetrate through the cuticle and the corium layer to play a role, and the active ingredients are ensured to be absorbed and utilized by the skin to the maximum extent. Furthermore, the active ingredients in the transdermal absorption type composition are scientifically proportioned, the skin resistance is improved through antioxidation and anti-inflammation, a regeneration environment is created through moisturizing and barrier repair, and finally, structural rejuvenation is realized through collagen stimulation, so that a defense-repair-regeneration multi-dimensional synergistic network is formed, and the skin regeneration effect is improved. The effects of promoting permeation of functional components, moisturizing, repairing, tightening, resisting aging and delaying skin aging are doubly improved.

The application discloses a water-soluble anion-modified square plate type platinum (II) complex electrochemiluminescence material and a preparation method and application thereof. 2,6-bis(benzimidazole) pyridine is reacted with 1,3-propanesulfonic acid lactone in a DMSO solution to obtain a ligand L1, and then the ligand L1 is reacted with potassium chloroplatinite under a nitrogen atmosphere to obtain a platinum complex. The square plate type platinum (II) complex has been verified to have excellent photophysical properties, and is introduced into the electrochemiluminescence field for the first time. By comparing the electrochemiluminescence performance of a commercial Ru(bpy)3 2+ system under the same concentration, the cathode electrochemiluminescence of the material is about 35 times stronger than that of the Ru(bpy)3 2+ system under the dispersed state test condition; the anode electrochemiluminescence of the material is about 10 times stronger than that of the Ru(bpy)3 2+ system under the non-homogeneous aggregation state test condition; the cathode electrochemiluminescence of the material is about 16 times stronger than that of the Ru(bpy)3 2+ system.

Disclosed is a method comprising combining the following components to form a platinum (II) dithiocarbamate complex in a solvent: (i) a platinum (0) complex; (ii) tetrahydrocarbyl thiuram disulfide; and (iii) a solvent. The method may also include separating the platinum (II) dithiocarbamate complex from a solvent to separate the platinum (II) dithiocarbamate complex. The method can also include preparing a curable silicone composition by combining the platinum (II) dithiocarbamate complex with a vinyl functional silicone and a silyl hydride functional silicone to form a curable composition.

The invention provides two-component foamed silicone rubber. The two-component foamed silicone rubber comprises a component A and a component B, the component A is prepared from the following raw materials: first base rubber, a first reinforcing agent, a first surface treating agent, first hydroxyl polysiloxane, an alcohol compound, a platinum complex catalyst and a first flame retardant; the component B is prepared from the following raw materials: second base rubber, a second reinforcing agent, a second surface treating agent, second hydroxyl polysiloxane, a filling agent, vinyl-terminated silicone oil, hydrogen-containing silicone oil, a cross-linking agent and a second flame retardant; the first base rubber and the second base rubber are both vinyl silicone oil, and the viscosity of the first base rubber and the second base rubber at 25 DEG C is 1000-8000 MPa.s. On the basis of the system, by controlling the viscosity of the vinyl silicone oil, the foamed silicone rubber with a proper cell diameter can be obtained, and the cell uniformity of the material is improved, so that the foamed silicone rubber has a relatively low heat conductivity coefficient and relatively excellent mechanical properties. In addition, the invention also provides a preparation method and application of the two-component foamed silicone rubber.

The present application provides a kind of bivalent platinum complex with anastrozole as ligand and its use, the structure of the bivalent platinum complex is as shown in (I).The bivalent platinum complex described in the present application has good antitumor activity.In the present method, anastrozole is reacted with potassium chloroplatinite in an organic solvent to obtain a bivalent platinum complex with anastrozole as ligand, and is applied to the antiproliferation of human breast cancer cells, showing excellent antitumor activity.

The application relates to the technical field of light-emitting materials, and discloses a yellow-green phosphorescent divalent platinum complex, a preparation method and application thereof, and an organic photoelectric device. The divalent platinum complex has a structure shown in formula (I), R a , b , c , d and R e are each independently present or not present, single or multiple substitutions, and R a , b , c , d and R e are each independently selected from monatomic or polyatomic substituents; the divalent platinum complex is a high-efficiency yellow-green phosphorescent light-emitting material and can be used as an organic light-emitting diode device.

The invention provides an ultralight release film as well as a preparation method and application thereof. The ultra-light release film comprises a micro-convex PET (Polyethylene Terephthalate) base film and a release layer formed by coating a release agent on the PET base film layer, the release agent is prepared from the following raw materials in parts by weight: 60 to 100 parts of organosiloxane resin A, 10 to 50 parts of organosiloxane resin B, 0.05 to 0.2 part of an inhibitor, 0.55 to 1.45 parts of a crosslinking agent containing silicon-hydrogen bonds, 0.2 to 0.5 part of an adhesion additive, 1.55 to 3.45 parts of a platinum complex catalyst and 300 to 1200 parts of an organic solvent. The anti-aging coating has the advantages of excellent anti-aging property, excellent residual adhesion rate and no powder falling risk.

The invention relates to the technical field of photoelectric materials, and discloses a divalent platinum complex, a preparation method and application thereof and an organic photoelectric device, the divalent platinum complex has a structure as shown in formula (I): R1-R12 are the same or different and are independently selected from one or more of a hydrogen atom, a hydrogen isotope atom, a halogen atom and a polyatomic substituent; the polyatomic substituent group comprises one or more of alkyl, aryl, naphthenic base, cycloalkenyl, heteroaryl, alkenyl, alkoxy, aryloxy, silyl and the substituent groups containing isotope atoms; the green light wavelength peak value of the bivalent platinum complex is within 500-540 nm, and the bivalent platinum complex is good in stability and high in efficiency; the light-emitting peak value of the prepared device is in the range of 500-540nm, and the CIE coordinate can better meet the requirements of panel display;

The invention relates to the field of industrial combustion, and particularly discloses a catalyst for industrial combustion and a preparation method and application thereof. A preparation method of a catalyst for industrial combustion comprises the following steps: S1, preparing a carrier: ultrasonically dispersing cerium salt and zirconium salt in an organic solvent to obtain a precursor solution, then performing spray pyrolysis on the precursor solution to obtain intermediate powder, and calcining to obtain the carrier; the active metal derivative and the carrier are blended, impregnated and loaded, the catalyst for industrial combustion is obtained, the active metal derivative comprises palladium salt and / or a platinum complex, the palladium loading capacity in the catalyst for industrial combustion is 0.7-0.8 wt%, and the platinum loading capacity in the catalyst for industrial combustion is 0-0.1 wt%. The product disclosed by the invention can be used for catalyzing natural gas combustion and efficiently treating various pollutants at the same time, the NOx conversion rate is increased to 95% or above, the CO oxidation efficiency reaches 99.8% or above, and the economic benefits of industrial application are remarkably increased.

At least one embodiment of the present disclosure provides a material for a light-emitting layer. The material for the light-emitting layer comprises: a carrier transport material, an energy transfer material, and a light-emitting material, wherein the light-emitting material comprises a platinum complex, and the energy transfer material comprises a rare earth complex. A trace amount of rare earth complex is added into the material for the light-emitting layer, and rare earth complex molecules can store excess carriers, so that the excess carriers can be transferred to the molecules of the light-emitting material by means of intermolecular hopping under the action of the continuously increased external electric field, and carriers around the molecules of the light-emitting material can be balanced, reducing the intensification of a triplet-triplet annihilation (TTA) process and a triplet-polaron quenching (TPQ) process, and reducing the internal Joule heat.

The present application discloses a photovoltaic module and a preparation method therefor. The photovoltaic module comprises: a first photovoltaic glass and a second photovoltaic glass; a frame-shaped waterproof adhesive layer disposed between the first photovoltaic glass and the second photovoltaic glass; a light-transmitting adhesive layer filled in a space enclosed and defined by the first photovoltaic glass, the second photovoltaic glass and the waterproof adhesive layer; and a solar cell encapsulated within the light-transmitting adhesive layer. A light-transmitting adhesive used in the light-transmitting adhesive layer comprises the following components in parts by mass: 120-180 parts of vinyl silicone oil, 30-50 parts of silicone resin, 5-15 parts of hydrogen-containing silicone oil, 10-20 ppm parts of a platinum complex catalyst, and 100-200 ppm parts of an inhibitor; and the light-transmitting adhesive has a viscosity of 20,000 cs to 50,000 cs. The use of the light-transmitting adhesive as the material of the light-transmitting adhesive layer can solve the problem of adhesive overflow or difficulty in defoaming that easily occurs during the defoaming process, thereby improving the performance of the photovoltaic module.

The invention discloses a preparation method of fire-resistant heat-insulating ceramifiable silicone rubber, which comprises the following specific steps of: uniformly mixing special silicone rubber serving as a base material, modified composite ceramic powder, a component A curing agent and a component B curing agent, and calendering and curing to obtain the fire-resistant heat-insulating ceramifiable silicone rubber. The modified composite ceramic powder is mainly prepared from needle-like wollastonite, low-melting-point glass powder, aluminum hydroxide, calcium carbonate, flaky mica powder and expanded perlite, and the modified composite ceramic powder is sequentially coated and modified with a chitosan-platinum complex and (4-vinyl phenyl) trimethoxysilane. In a high-temperature environment, a chitosan component in the silicone rubber can form a continuous porous carbon layer, so that the fire resistance of a ceramic layer is improved; meanwhile, the carbon layer, the expanded perlite and the flaky mica powder cooperate to construct a multiple heat insulation interface, so that the transfer of high temperature to the interior is greatly delayed; in addition, the compatibility, dispersity and thermal stability of the powder in a base material are optimized through secondary silane coating, so that the prepared porcelainized silicone rubber has excellent flame retardance, heat insulation effect and porcelainizing strength.

The present application relates to a kind of metal platinum complex and its application, when the metal platinum complex is used in OLED, especially when it is used in blue light emitting area, it exhibits enhanced phosphorescence quantum yield, good light stability, high luminous efficiency, and applicable as emitter material in OLED application, the metal platinum complex of the present application can obtain the organic electroluminescence device that electroluminescence is deep red phosphorescence and luminous efficiency is improved, and the thermal stability of light emitting device is good;The metal platinum complex of the present application controls its photo-physical properties by adjusting the structure of ligand around metal center and regulating the structure of substituent group on ligand, has the advantages of narrow emission spectrum, high stability and high efficiency, and has wide application prospect in many fields of OLED display and lighting lamp.

The present invention relates to a platinum complex having an ONCN tetradentate ligand and containing carbazole, and the platinum complex has a structure as shown in a formula (I). The complex has bright green light emission wavelengths, and can be used in the field of OLED organic electroluminescent materials. By means of the structural design, the present invention can improve the heavy atomic effect of phosphorescent materials, enhance spin-spin coupling, and achieve high-efficiency conversion of T1-S0, thereby achieving high luminous efficiency. Moreover, a platinum complex molecule having an ONCN tetradentate ligand has simple synthetic steps and may modifiable sites. The steric hindrance added by the carbazole group contained can effectively reduce the aggregation effect between molecules, avoid the formation of an exciplex, and further improve the color purity and the luminous efficiency.

The invention relates to the technical field of organic photoelectric material luminescence, and discloses a divalent platinum complex, a preparation method and application thereof and an organic photoelectric device, the divalent platinum complex has a structure as shown in formula (I): R1 is alkyl with at least two carbons; r2-R15 are the same or different and are independently selected from one or more of a hydrogen atom, a hydrogen isotope atom, a fluorine atom and a polyatomic substituent; the polyatomic substituent group comprises a substituted or unsubstituted alkyl group and / or a substituted or unsubstituted aryl group; the light-emitting wavelengths of the bivalent platinum complex in a dichloromethane solution and PMMA (polymethyl methacrylate) are both 500-540nm, and an OLED (organic light-emitting diode) device prepared from a luminous body can meet the standard of pure green light application;

The application belongs to the technical field of silicon hydride addition reaction catalysts, and particularly relates to a supported platinum catalyst and a preparation method and application thereof. The application mixes ferroferric oxide, tetraethoxysilane and an organic solvent to perform a hydrolysis reaction, mixes silica-coated ferroferric oxide, organoligand functionalized trialkoxysilane and an organic solvent to perform a condensation reaction, mixes organoligand functionalized ferroferric oxide, a platinum compound and an organic solvent to perform a coordination reaction, and obtains the supported platinum catalyst. The preparation method provided by the application successfully grafts platinum complexes on the surface of ferroferric oxide by using a chemical coupling method. When the obtained supported platinum catalyst is used for a heterogeneous catalytic reaction, the catalyst is easy to separate from a reaction system, the yield of an addition reaction product is high, the catalyst has high stability, can be recycled, and has a long service life.