133 results about "Platinum complex" patented technology

The invention discloses a heat-insulating silicone rubber foam material with high elasticity and a preparation method thereof, and relates to the technical field of heat-insulating materials. The invention discloses a heat-insulating silicone rubber foam material with high elasticity. The high-temperature-resistant silicone oil composition is prepared from the following raw materials in parts by weight: 40 to 60 parts of vinyl-terminated phenyl silicone oil, 10 to 30 parts of nano silicon dioxide, 40 to 80 parts of modified fly ash hollow microspheres, 2 to 10 parts of cerium dioxide, 1 to 5 parts of sodium bicarbonate, 3 to 8 parts of self-synthesized single-hydroxyl-terminated single-hydrogen-terminated silicone oil, 5 to 15 parts of self-synthesized perhydrosilicone oil, 4 to 10 parts of diphenyl silanediol and 0.1 to 0.3 part of 1-ethynyl cyclohexanol. 0.3 to 0.5 part of a platinum complex catalyst, 0.5 to 1 part of an antioxidant 1010 and 0.5 to 2 parts of a coupling agent KH-560. The silicone rubber foam material prepared by the invention adopts a two-stage foaming and gradient curing process, combines the modified fly ash hollow microspheres and other fillers, has the advantages of high elasticity, good heat insulation property, aging resistance and the like, is environment-friendly in raw materials and stable in process, and is suitable for buffering and heat insulation between battery cells in the fields of new energy automobiles and energy storage.

Novel compositions and systems for closure of wounds with antimicrobial effectiveness provide devices of improved flexibility and elasticity and are readily applied to wound sites or over wound closure devices. A novel platinum catalyst comprising platinum tetramethyldivinyl disiloxane diethyl maleate complex for use in such compositions provides for rapid curing on topical surfaces such as skin and bonds to such surfaces in about 2-5 minutes.

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.

The invention discloses a Karstedt catalyst and a preparation method thereof, and belongs to the technical field of catalysts. The preparation method provided by the invention comprises the following steps: firstly, chloroplatinic acid reacts with three different siloxanes to generate a zero-valent platinum complex, the siloxanes are tetradimethyl vinyl siloxy silane, tetramethyl divinyl disiloxane and 1, 3-dimethyl-1, 1, 3, 3-tetraethylene disiloxane, calcium oxide is added in the reaction to be matched with sodium bicarbonate to neutralize, and then the zero-valent platinum complex is obtained. And after the reaction, reducing residual bivalent platinum by using sodium borohydride, and finally loading by using an SBA15 molecular sieve as a carrier to obtain the finished product Karstedt catalyst. The multi-ligand Karstedt catalyst is formed by combining a tetradentate ligand, a conventional chain ligand and a branched chain polyvinyl ligand, the multi-ligand Karstedt catalyst has high catalytic activity and stability, the loading capacity and the loading binding force are improved through a network architecture of a complex configuration, the dosage of the supported catalyst is reduced, and the cyclic utilization rate is improved.

The application belongs to the technical field of luminescent materials, and particularly relates to a binuclear platinum complex and application thereof. The binuclear platinum complex has the structure shown in formula (1), and when used in an OLED, especially in a blue light emitting region, the binuclear platinum complex exhibits enhanced phosphorescence quantum yield, good luminescence stability, high luminescence efficiency, and is suitable for use as an emitter material in OLED application. The metal platinum complex of the application can obtain an organic electroluminescent device with deep blue phosphorescence and improved luminescence efficiency, and the luminescent device has good thermal stability. The binuclear platinum complex has the advantages of narrow emission spectrum, high stability and high efficiency by adjusting the structure of the ligand around the metal center and the structure of the substituent on the ligand to control the photophysical properties, and has wide application prospects in many fields such as OLED display and lighting.

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 application discloses a platinum complex with controllable activity and a preparation method and application thereof, which is formed by coordination of vinyl siloxane, modified ligand and chloroplatinic acid; the modified ligand is prepared by reaction of maleic anhydride, allylamine and hydroxymethyl dimethyl phosphite. The application introduces amide groups and phosphite groups into the molecular chain of maleic anhydride, uses the groups as coordination compounds to coordinate with vinyl siloxane and platinum, and can improve the normal-temperature storage stability of the platinum catalyst while still keeping high catalytic activity of the platinum catalyst on the hydrosilylation reaction; when the platinum complex is used for catalyzing preparation of addition-type liquid silicone rubber, no inhibitor needs to be added, and the silicone rubber has good mechanical properties.

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 present invention is applicable to the fields of stimulus-responsive light-variable materials, catalysis, fluorescence sensing, biomolecule labeling, information processing and storage, and anti-counterfeiting technology, and provides the synthesis and application of a concentration-solvent-dependent platinum complex luminescent material. The preparation process of the present method is simple and easy to purify. The obtained ionic metal Pt(II) complex phosphorescent material with concentration- and solvent-dependent luminescence changes is stimuli-responsive to solvent and concentration.

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.

A method of manufacturing a plating solution comprising a platinum (II) complex, comprising the steps of: (i) preparing an acidic aqueous solution comprising a chloride-free platinum (IV) compound and a source of nitrous acid (HNO2) as a reducing agent; (ii) heating the solution from step (i) in order to promote the reduction of platinum (IV) to platinum (II) and decomposition of residual nitrous acid. Also described is a platinum plating solution produced by this process.

The present invention discloses an N^N^N type terpyridine platinum complex, its preparation method, and application. The present invention relates to the technical field of fluorescent probe material preparation, and specifically to an N^N^N type terpyridine platinum complex, its preparation method, and application. The present invention mixes 4'-(3,4-bisethoxyphenyl)-2,2':6',2''-terpyridine (S1) with K2PtCl4, adds a halogenated hydrocarbon solvent and an alcohol solvent, and conducts a heating reaction. After the reaction, the solvent is removed by reduced pressure distillation, and column chromatography is used for purification to obtain an N^N^N type terpyridine platinum complex. The preparation method of the N^N^N type terpyridine platinum complex of the present invention has readily available raw materials, a simple reaction process, and can be industrially produced. It has specific targeting to lysosomes, low cytotoxicity, and good two-photon absorption activity, and has good application prospects in lysosomal analysis and imaging products.

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 present invention relates to the field of fluorescent immunochromatography technology, and in particular to an AIPE phosphorescent microsphere and its preparation method and application. The preparation method comprises first synthesizing an AIPE phosphorescent metal platinum complex monomer containing a double bond, wherein the AIPE phosphorescent metal platinum complex monomer uses 2-phenylpyridine as a primary ligand and a Schiff base as an auxiliary ligand, wherein the auxiliary ligand is double-bond modified, and then copolymerizing the complex monomer with styrene and a functional monomer by emulsion polymerization; wherein the functional monomer is methacrylic acid and / or acrylic acid. The AIPE phosphorescent microsphere prepared by the method of the present invention has the advantages of long luminescence lifetime, large Stokes shift, good photostability and no background interference, and can be used in the field of immunochromatography for quantitative detection of a target object.

This invention provides a white OLED device utilizing blue light-emitting materials and platinum or palladium aggregated-state emission, comprising: a cathode, an anode, and an organic functional layer including at least two emission layers, including a blue light layer and a low-energy emission layer. The blue light layer comprises a first matrix material doped with Ir(III) organometallic complexes, and the low-energy emission layer comprises a second matrix material comprising Pt(II) and / or Pd(II) organometallic complexes. When a DC voltage higher than its turn-on voltage is applied, the device emits white light composed of monomeric and aggregated-state emission from the blue emitter and the low-energy platinum complex. This white OLED device eliminates the need for a blue light emitter, achieving a high CRI with only a single emitter.

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.

The invention relates to the field of photoelectric materials, and discloses a divalent platinum complex red phosphorescent material as well as a preparation method and application thereof. The complex has a structure as shown in a formula (I), wherein R1-R13 are selected from at least one of hydrogen, isotope atoms of hydrogen, halogen atoms, isocyano groups, thiocyano groups, isothiocyano groups and polyatomic substituent groups; the polyatomic substituent group is selected from at least one of C1-C12 alkyl groups, C5-C30 aromatic groups and C1-C12 alkoxy groups; the alkyl group comprises an alkyl group with 1 to 12 carbon atoms and / or a cycloalkyl group with 3 to 12 carbon atoms; the aromatic group comprises at least one of a C5-C30 aryl group, an aryloxy group, an arylamine group and a heteroaryl group; hydrogen atoms in alkyl, cycloalkyl and aryl groups include isotope atoms thereof; the phosphorescent material containing the complex can emit stable and efficient red light;

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 present invention relates to the technical field of luminescent materials, and discloses a blue phosphorescent divalent platinum complex, a preparation method and application thereof, and an organic photoelectric device. The blue phosphorescent divalent platinum complex has a structure shown in formula (I): R a 、R b 、R c 、R f 、R d and R e The single-atom substitution or polyatomic substitution group independently exists or does not exist; the blue phosphorescent divalent platinum complex has a narrow blue phosphorescent emission spectrum, which can promote the emission color and improve the performance of the blue phosphorescent device;

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 present invention relates to a metal platinum complex and its application. When used in OLEDs, especially in the blue light emitting region, the metal platinum complex exhibits enhanced phosphorescence quantum yield, good luminescence stability, and high luminescence efficiency. The complex is suitable for use as an emitter material in OLED applications. The metal platinum complex of the present invention can produce an organic electroluminescent device with deep blue electroluminescence and improved luminescence efficiency, and the light-emitting device has good thermal stability. The metal platinum complex of the present invention regulates its photophysical properties by adjusting the structure of ligands surrounding the metal center and the structure of substituents on the ligands. The complex has the advantages of a narrow emission spectrum, high stability, and high efficiency, and has broad application prospects in many fields of OLED displays and lighting.

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.

At least one embodiment of the present disclosure provides a light-emitting element and a display substrate. The light-emitting element comprises a first electrode, a light-emitting functional layer and a second electrode, which are sequentially stacked in a first direction, wherein the light-emitting functional layer comprises a first organic layer, a first light-emitting layer, a second organic layer, a second light-emitting layer, a spacer layer, a third light-emitting layer and a third organic layer, which are sequentially stacked in the first direction; the material of the second light-emitting layer comprises a first electron-blocking material and a light-emitting material doped in the first electron-blocking material, the light-emitting material comprising at least one of a platinum complex and an iridium complex; and the material of the spacer layer comprises a second electron-blocking material. In the embodiments of the present disclosure, the original phenomenon of exciton quenching caused by an excessively high concentration of excitons on an interface of the second light-emitting layer is eliminated, and therefore the light-emitting element can emit light in the middle region of the second light-emitting layer, thereby improving the luminous efficacy of the light-emitting element and prolonging the service life of a display substrate.