975 results about "Phosphine oxide" patented technology

An organic electroluminescence element having at least one organic layer including a light-emitting layer between a pair of electrodes, wherein the organic electroluminescence element has an electron transport layer containing a phosphine oxide compound and an electron transport layer that does not substantially contain the phosphine oxide compound between the light-emitting layer and a cathode, the electron transport layer containing the phosphine oxide compound is nearer to the cathode, and the electron transport layer that does not substantially contain the phosphine oxide compound is nearer to the light-emitting layer. An organic EL element that exhibits high light-emission efficiency and is excellent in drive durability is provided.

A process for preparing 1-hexene which comprises trimerizing ethylene in a 1-hexene solvent in the presence of a catalyst system prepared by contacting in a 1-hexene solvent the following components (A), (B), (C) and (D):(A) a chromium-containing compound represented by the general formula: CrXkYm wherein X is a residue of a carboxylic acid, a residue of a 1,3-diketone, a halogen atom or an alkoxyl group, k is an integer of 2 to 4, Y in Ym is an amine compound, a phosphine compound, a phosphine oxide compound, a nitrosyl group or an ether compound and m is an integer of 0 to 6, with the proviso that any two Y's may be same or different;(B) trialkylaluminum or dialkylaluminum hydride;(C) a pyrrole compound or a derivative thereof;(D) a group 13 (IIIB)-halogen compound represented by the general formula: MTtU3-t or a group 14 (IVB)-halogen compound represented by the general formula: M'Tt'U4-t' wherein M is an atom from the group 13 (IIIB), M' is an atom from the group 14(IVB), T is an alkyl group, an aryl group, an allyl group or a hydrogen atom, U is a halogen atom, t is a real number of 0 or more and less than 3 and t' is a real number of 0 or more and less than 4.

A light emitting device material containing a pyrene compound of formula (1) and a light emitting device. In formula (1), R1 to R18 are the same or different and are selected from hydrogen, alkyl, cycloalkyl, heterocyclic, alkenyl, cycloalkenyl, alkynyl, alkoxy, alkylthio, arylether, arylthioether, aryl, heteroaryl, halogen, carbonyl, carboxyl, oxycarbonyl, carbamoyl, amino, phosphine oxide and silyl; adjacent substituents among R1 to R18 may be combined with each other to form a ring; n represents an integer of 1 to 3; X is —O—, —S— or —NR19—; R19 is selected from hydrogen, alkyl, cycloalkyl, heterocyclic, alkenyl, cycloalkenyl, alkynyl, aryl, heteroaryl or amino; R19 may be combined with R11 or R18 to form a ring; Y is a single bond, arylene or heteroarylene; and n substituents among R1 to R10 and any one of R11 to R19 are used for linkage with Y

A polymerizable polymeric photoinitiator according to Formula (I):wherein:PL represents an n+m+p-functional polymeric core;n and m independently represent an integer from 1 to 30;p represents an integer from 0 to 10;o is 0 or 1;INI represents a group selected from the group consisting of a benzophenone, a thioxanthone, a carbazole, a anthraquinone, a camphor quinone, an α-hydroxyalkylphenone, an α-aminoalkylphenone, an acylphosphine oxide, a bisacyl phosphine oxide, an acylphosphine sulfide, a phenyl glyoxalate, a benzoin ether, a benzyl ketal, an α-dialkoxyacetophenone, a carbazolyl-O-acyl-oxime, an α-haloarylketone and an α-haloaryl sulfone;L3 and L4 represent a substituted or unsubstituted divalent linking group comprising 1 to 14 carbon atoms;A represents a radically polymerizable functional group selected from the group consisting of an acrylate, a methacrylate, a styrene, an acryl amide, a methacryl amide, a maleate, a fumarate, an itaconate, an vinyl ether, an allyl ether, an allyl ester, a maleimide, a vinyl nitrile and a vinyl ester; andR4 represents a substituted or unsubstituted alkyl group.Radiation curable compositions containing the polymerizable polymeric photoinitiator and methods for preparing the polymerizable polymeric photoinitiator are also disclosed.

Object of the present invention is to provide an organic electroluminescent element having an emissive layer that may be formed by wet process in the fabrication of the organic electroluminescence device with multi-layer structure and has excellent electron-injection property, electron-transfer property, durability and luminescent efficiency and a novel alcohol-soluble organic phosphorescent material that may be preferably applicable to the fabrication of the same. An organic electroluminescent element 1 has a plurality of laminated organic layers 4, 5, 6 sandwiched between anode 3 and cathode 7. A hole transport layer 5 composed of organic compounds insoluble in alcohol solvent and an emissive layer 6 formed by a wet process so that it contacts with the hole transport layer 5 on the side facing with the cathode 7 contains host materials consisting of one or more phosphine oxide derivatives soluble in alcohol solvent and guest materials soluble in alcohol solvent which can be excited electrically to emit light.

The invention belongs to the field of chemical industry, and particularly discloses white finish coat photocurable UV (ultraviolet) paint and a preparation method thereof. The photocurable UV paint comprises the following components in percentage by weight: 20-60% of epoxy acrylate, 20-60% of polyurethane acrylate, 2-5% of phenyl acetone photoinitiator, 0.2-1% of diphenyl phosphine oxide photoinitiator, 0.2-1% of dispersant, 0.2-1% of leveling agent, 1-40% of titanium white TiO2, 5-15% of two-functional-group reactive diluent and 5-30% of three-functional-group reactive diluent. The paint has the characteristics of favorable gloss, adhesive force and leveling property, thus ensuring that the white UV paint can be better applied.

The present invention provides a resin composition which can be cured by visible light and whose cured product is not colored or little colored, said composition comprising a phosphine oxide compound represented by the following general formula (1) (wherein R1 represents alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, substituted or unsubstituted aralkyl, or substituted or unsubstituted aralkenyl; and R2, R3, R4, R5, R6, R7, R8 and R9, which may be the same or different, each represent a hydrogen atom, a halogen atom, alkyl, alkenyl, substituted or unsubstituted aralkyl, or substituted or unsubstituted aralkenyl, and two adjacent groups among R2, R3, R4, R5, R6, R7, R8 and R9 may form a hydrocarbon ring together with the two carbon atoms adjacent thereto) and an unsaturated compound.

The invention discloses phosphorus-nitrogen synergistic flame-retardant polyalcohol and a preparation method thereof, relating to the synthesis of flame-retardant polyalcohol. The preparation method of the phosphorus-nitrogen synergistic flame-retardant polyalcohol comprises the following steps: 1) with quaternary phosphorus salt as a raw material, adding alkali and stirring for reacting, filtering and separating the salt generated by reacting, then oxidizing with a hydrogen peroxide solution, and performing reduced-pressure distillation for removing moisture to obtain tris(hydroxymethyl)phosphine oxide; 2) performing an ether exchange reaction between hexakis(methoxymethyl)melamine and the tris(hydroxymethyl)phosphine oxide obtained in the step 1) at 50-100 DEG C in the presence of an acid catalyst, and reducing pressure for removing small-molecular methanol to obtain the phosphorus-nitrogen synergistic flame-retardant polyalcohol. The prepared phosphorus-nitrogen synergistic flame-retardant polyalcohol is formed by connecting phosphorus elements through phosphorus-carbon bonds, and the weakness that the phosphorus-carbon bonds (phosphorus-ester bonds) are hydrolyzed easily is avoided, thus the phosphorus-nitrogen synergistic flame-retardant polyalcohol has the characteristic of relatively high hydrolysis resistance.

The invention discloses a halogen-free flame retardant, high-temperature resisting and rapidly solidified deacetone silicon rubber and a preparation method thereof. Hydroxy-end-capped polydimethylsiloxane is used as the main body and is compounded with a thermal-resisting additive and a flame retardant additive, wherein the halogen-free flame retardant, high-temperature resisting and rapidly solidified deacetone silicon rubber comprises the following ingredients by weight: 100 parts of the hydroxy-end-capped polydimethylsiloxane serving as a main body, 1-50 parts of polydimethylsiloxane, 5-18 parts of silicon oxide, 5-15 parts of thermal-resisting additive, 50-200 parts of flame retardant additive, 0.5-2.5 parts of tackifier, 0.5-1 part of organic guanidine catalyst and 5-8 parts of deacetone siloxane cross-linking agent; the thermal-resisting additive is one or a mixture of several of iron oxide red, cerium oxide of which the purity is not less than 90% and tin oxide of rutile structure; and the flame retardant additive is one or a mixture of several of aluminum hydroxide, magnesium hydrate, zinc borate, phosphate ester, phosphonate, phosphine oxide and organic phosphorus. The deacetone silicon rubber has good thermal resistance, flame retardant effect and mechanical properties at 250-300 DEG C, and is simple in preparation method and high in production efficiency.

An object of the present invention is to provide an artificial nail composition having improved curability. Another object of the present invention is to provide an artificial nail composition which causes less yellowing and has excellent internal curability.The artificial nail composition comprises:a component (a): a compound having at least one radical polymerizable unsaturated double bond in the molecule, and a component (b): a photopolymerization initiator selected from (i) an acylphosphine oxide-type photopolymerization initiator and (ii) a mixture of an acylphosphine oxide-type photopolymerization initiator and an α-hydroxyalkylphenone-type photopolymerization initiator, wherein the amount of the component (b) is 0.05 to 4.00 parts by weight with respect to 100 parts by weight of the component (a). It is preferred that the acylphosphine oxide-type photopolymerization initiator is monoacylphosphine oxide and / or bisacylphosphine oxide, and the α-hydroxyalkylphenone type polymerization initiator is 1-hydroxy-cyclohexyl-phenyl-ketone or 2-hydroxy-2-methyl-1-phenyl-propan-1-one.

An OLED device comprises an anode and a cathode and having therebetween a light emitting layer containing an emissive material, wherein a layer between the anode and cathode contains a phosphineoxide compound bearing two or more tri(hetero)arylphosphineoxide groups, provided these groups are selected to give a compound with a Et≧2.65 eV.

Methods and compositions to extract radionuclides such as various actinides and lanthanides from organic and / or aqueous solutions by utilizing extractant functionalized carbon nanotubes are disclosed. More particularly, phosphorous-containing (such as phosphine oxides, phosphoric acids or phosphates) organic extractants and other predesigned extractants (such as crown ethers, calncrown derivatives, malonamide and diglycolamide derivatives, polyethylene glycol derivatives, cobalt dicarbollite derivatives, and N-donating heterocyclic ligands) can be covalently and / or non-covalently employed on the surfaces and / or ends (tips) of carbon nanotubes for the purpose of removal radionuclides such as various actinides and lanthanides from organic and / or aqueous solutions. Extractant functionalized carbon nanotubes can be used for extracting radioactive nuclides from nuclear waste or spent nuclear fuel, which are produced and / or reprocessed from the nuclear power generation or other nuclear application. The invention also relates to the solid-liquid separation process based on the contact of liquid radioactive waste by using the invention extracting agents as the solid phase.

PCT No. PCT / EP96 / 03888 Sec. 371 Date Mar. 11, 1998 Sec. 102(e) Date Mar. 11, 1998 PCT Filed Sep. 4, 1996 PCT Pub. No. WO97 / 10054 PCT Pub. Date Mar. 20, 1997Olefins can be epoxidized using catalysts I where M is a metal of the 4th to 7th transition group of the Periodic Table of the Elements, L1 is an amine oxide, phosphine oxide, arsine oxide, pyridine N-oxide or pyridine ligand of the formula II, III, VII or VIII, L2 is a customary auxiliary ligand or a further ligand L1 or a free coordination site, X is oxo oxygen or an imido ligand, m is 1 or 2, and n is 1, 2 or 3.

The invention relates to a preparation method of di (2,4,6-trimethylbenzoyl) phenyl phosphine oxide and (2,4,6-trimethylbenzoyl) diphenyl phosphine oxide used in the technical field of radiation polymerization curing new materials, hydrogen phosphide as a raw material is reacted with chlorobenzene or bromobenzene and 2,4,6-trimethylbenzoyl chloride, and an acyl oxygen phosphonic compound is obtained by oxidizing with an oxidant. By adjusting the feed ratio, the di (2,4,6-trimethylbenzoyl) phenyl phosphine oxide and the (2,4,6-trimethylbenzoyl) diphenyl phosphine oxide are respectively obtained, and the purpose for simultaneously producing the two target products of di (2,4,6-trimethylbenzoyl) phenyl phosphine oxide and the (2,4,6-trimethylbenzoyl) diphenyl phosphine oxide can be achieved by use of same material and device, and compared with known technology paths reported in literatures, the preparation method has the significant advantages of novelty of the chemical reaction technology, cost economic competitiveness and environmental friendliness.

The invention provides a nonaqueous electrolytic solution, a nonaqueous electrolytic secondary battery, a battery pack, and an electronic device. A nonaqueous electrolytic secondary battery includes: a positive electrode; a negative electrode; and an electrolyte that contains a nonaqueous electrolytic solution, wherein the nonaqueous electrolytic solution contains at least one phosphorus compound selected from the group consisting of phosphine oxide, phosphonic ester, and phosphinic ester, and the phosphine oxide, the phosphonic ester, and the phosphinic ester are phosphorus compounds represented by the following formulae (I), (II), and (III), respectively.

The invention relates to a preparation method of single acyl or two acyl phosphine oxide and single acyl or two acyl sulfur phosphine compound, in particular to a preparation method of the 2,4,6-trimethylbenzene formacyl-diphenyl phosphine oxide of the photoinitiator. The addition reaction is carried out between Trimethyl benzaldehyde and diphenyl phosphorus chloride and then the mixture is oxidized by tert-butyl alcohol peroxide. The invention adopts the addition reaction of aldehyde and halogenated phosphorus and replaces the original process of acyl chloride and halogenated phosphorus, and has the advantages of greatly shortening the preparation procedures, low cost, easy operation and quick production. The compound prepared by the invention has more than 98 percent of the 2,4,6-trimethylbenzene formacyl-diphenyl phosphine oxide and can be served as the photoinitiator for solid for producing the solidification product with the performance of paint, varnish, porcelain glaze, paint, pigment or ink, and can better satisfy the increasing market demand.

Disclosed are compositions that comprise vinylarylalkylene ethers of cyclodextrins optionally containing ether-linked adhesion-promoting groups, in combination with copolymerizable monomer or monomers. The copolymerizable monomer or monomers may include vinylarylalkylene ethers of oligohydroxy compounds (for example, sorbitol divinylbenzyl ether and others). The composition further may include stabilizers (for example, 1,3,5-trimethyl-2,4,6-tris(3,5-di-(tert)-butyl-4-hydroxybenzyl)benzene and others), and polymerization initiators (for example, phenylbis[2,4,6-trimethylbenzoyl]phosphine oxide and others) and reinforcing materials (for example, imogolite). Methods of preparing the compositions as well as the components of compositions and methods for their use in dental and other applications are also disclosed.

specifically a process for extracting glycyrrhizic acid from licorice roots, wherein the glycyrrhizic acid is extracted from the licorice root rapidly and effectively by using the method of microwave auxiliary extraction, and then organic extracting agent, e.g. tributyl phosphate, trialkyl phosphine oxide, isooctanol, n-hexyl alcohol, isopentyl alcohol are used for solvent extraction, after stewing or centrifugal phase-splitting, the glycyrrhizic acid will be enriched in organic phase, by using water as solution, and regulating the pH of the miscible liquids to 6.0-12.0, the inverse extraction for glycyrrhizic acid can be carried out, thus obtaining the aqueous solution of the enriched glycyrrhizic acid, and the refined glycyrrhizic acid is obtained through decoloration, acidification, stewing, centrifugal deposition and drying.

The present invention relates to a catalyst composition that includes a triphenylphosphine ligand, a monodentate phosphine ligand, a monodentate phosphine oxide ligand, and a transition metal catalyst, and a hydroformylation process using the same. In the hydroformylation process using the catalyst composition according to the present invention, the high catalytic activity can be obtained, and the selectivity (N / I selectivity) in respects to normal- or iso-aldehyde can be desirably controlled.

An electrochromic device, comprising: (a) a first substantially transparent substrate having an electrically conductive material associated therewith; (b) a second substrate having an electrically conductive material associated therewith; (c) an electrochromic medium contained within a chamber positioned between the first and second substrates which comprises: (1) at least one solvent; (2) at least one anodic material; and (3) at least one cathodic material, wherein both of the anodic and cathodic materials are electroactive and at least one of the anodic and cathodic materials is electrochromic; (d) wherein the chamber comprises a plug associated with a fill port; and (e) wherein the plug is at least partially cured with and / or comprises a phosphine oxide photo initiator.

The present invention relates to the process of producing isononyl aldehyde from mixed octane and synthetic gas in the presence of Co / phosphine oxide catalyst, and belongs to the field of fine petrochemical industry. The present invention features that the Co / phosphine oxide catalyst system with Co compound as catalyst precursor and phosphine oxide as catalyst ligand; the synthetic gas is mixture of CO and H2 in the CO / H2 ratio of 1; and isononyl aldehyde is prepared from mixed octane and synthetic gas in the mild condition including reaction temperature of 120-200 deg.c and synthetic gas pressure of 4-20 MPa. The present invention has simple technological process, low cost, mild reaction condition and high yield of isononyl aldehyde product, and is suitable for industrial production.

A light-curing thermo-curing resin composition and a printed circuit board obtained using the same are provided, the composition has high light sensitivity and excellent curing depth in ultraviolet ray and laser exposure, thus further having great developing ability to pass through diluted alkaline aqueous solution while being excellent in storage stability and operability, so the composition is suitable for solder resisting agent. The light-curing thermo-curing resin composition comprises (A) carboxyl-containing resin, (B) mercaptobutyric acid or derivatives thereof, (C) photopolymerization initiator, (D) compounds having 2 or more of olefinic unsaturated groups in the molecules, and (E) thermo-curing components. The suitable (A) carboxyl-containing resin is preferably the carboxyl-containing resin capable of free radical polymerization and having unsaturated double bond. In addition, the (C) photopolymerization initiator is preferably oximes photopolymerization initiator (C1), particularly preferably proxetil photopolymerization initiator, aminoacetophenone photopolymerization initiator and / or acyl phosphine oxide photopolymerization initiator.

The invention belongs to the method for compounding cadmium selenide and quanta of cadmium telluride, which is: use cadmium oxide containing 2~18 carbon atom as cadmium source, selenium powder as selenium source and tellurium powder as tellurium source, and the mol ratio of cadmiumsource and selenium source or tellurium source is 5:1-1:5, dissolve the selenium and tellurium powder with tricapryl phosphine, make oleic acid, and tricapryl phosphine oxide as enveloping agent and the mol ratio of cadmium source and enveloping agent is 1:2-1:6, use benzene, toluene, cyclohexane, normal hexane and normal heptane as solvent, under the condition that the density of cadmium source is 0.001-0.015M, the temperature in autoclave is 140-180deg.C, heat them for 0.8-16 hours and obtain cadmium selenide and quanta of cadmium telluride with different sizes by changing the reaction time. The cadmium selenide and quanta of cadmium telluride has narrower size distribution which is shown as narrower shooting of fluorescence whose half-peak width of quanta of cadmium selenide is 22-33nm and that of quanta of cadmium telluride is 29-35nm.

The present invention relates to an electrically doped semiconducting material comprising at least one metallic element as n-dopant and at least one electron transport matrix compound comprising at least one phosphine oxide group, a process for its preparation, and an electronic device comprising the electrically doped semiconducting material.

The present invention is a capacitor of a triphenyl phosphine oxide film as a base dielectric. More specifically, the base dielectric film is selected from the group consisting of Bisphenol-A (Bis-A PEPO). 4',4'-biphenol (BP-PEPO), and Hydroquinone (HQ-PEPO). TPPO based polymers have a very high breakdown strength, dielectric constant, low dissipation factor and high energy density. An ultra-thin coating can leverage the capabilities of this new dielectric, and potentially other commercial polymer films, to make possible energy storage in excess of 1 J / cc. The triphenyl phosphine oxide film can be fabricated containing a conducting PolyANiline (PAN) polymer layer located between the electrode and core polymer, or by being dip coated with PAN.

The object of the present invention is to provide an active energy ray-curable ink-jet printing ink, including: a coloring agent; a compound having an ethylenic double bond; and a photo-polymerization initiator, wherein the photo-polymerization initiator includes a compound represented by general formula (1): (wherein A represents any one of —O—, —CH2—, —CH(CH3)—, and —C(CH3)2—; and each of R1 and R2 independently represents a hydrogen atom, a methyl group, or a trimethylsilyl group), and an α-aminoketone-based compound and / or an acyl phosphine oxide-based compound, and 40% by mass or more of the compound represented by general formula (1) is included with respect to the total photo-polymerization initiator.

The method for forming a resin cured film pattern according to the invention comprises a first step in which there is formed on a base material a photosensitive layer composed of a photosensitive resin composition comprising a binder polymer with a carboxyl group having an acid value of 75 mgKOH / g or greater, a photopolymerizable compound and a photopolymerization initiator, and having a thickness of 10 μm or smaller, a second step in which prescribed sections of the photosensitive layer are cured by irradiation with active light rays, and a third step in which the sections of the photosensitive layer other than the prescribed sections are removed to form a cured film pattern of the prescribed sections of the photosensitive layer, wherein the photosensitive resin composition comprises an oxime ester compound and / or a phosphine oxide compound as the photopolymerization initiator.

An OLED device having an emission layer formed of an ambipolar phosphine oxide host material and a dopant, a hole transport layer in electrical communication with an anode, an electron transport layer in communication with a cathode, wherein the HOMO energy of the hole transport layer is substantially the same as the HOMO energy of the ambipolar host in the emission layer, and the LUMO energy of the electron transport layer is substantially the same as the LUMO energy of the ambipolar host in the emission layer.