4406 results about "Biphenyl" patented technology

A light-emitting element having a long lifetime is provided. A light-emitting element exhibiting high emission efficiency in a high luminance region is provided. A light-emitting element includes a light-emitting layer between a pair of electrodes. The light-emitting layer contains a first organic compound, a second organic compound, and a phosphorescent compound. The first organic compound is represented by a general formula (G0). The molecular weight of the first organic compound is greater than or equal to 500 and less than or equal to 2000. The second organic compound is a compound having an electron-transport property. In the general formula (G0), Ar¹ and Ar² each independently represent a fluorenyl group, a spirofluorenyl group, or a biphenyl group, and Ar³ represents a substituent including a carbazole skeleton.

A flame retardant, intumescent pressure sensitive adhesive (PSA) composition for EMI shielding gaskets, tapes, wraps, and the like. The composition is formulated as an admixture of: (a) a PSA component; (b) a halogenated first flame retardant component; (c) a metal-based second flame retardant component; and (d) a filler component of expandable, intercalated graphite particles. In a representative embodiment the PSA component (a) is acrylic-based, the halogenated first flame retardant component (b) is a polybrominated diphenyl compound such as decabromodiphenyl oxide or decabromodiphenyl ether, the metal oxide-based second flame retardant component (c) is antimony oxide, antimony trioxide, or antimony pentoxide, and the filler component (d) is graphite flake.

Substituted biphenyl-4-carboxylic acid arylamide analogues capable of modulating receptor activity, are provided. Such ligands may be used to modulate receptor activity in vivo or in vitro, and are particularly useful in the treatment of pain and other conditions associated with receptor activation in humans, domesticated companion animals and livestock animals. Pharmaceutical compositions and methods for treating such disorders are provided, as are methods for using such ligands for receptor localization studies.

To provide a light-emitting element having high luminous efficiency and to provide a light-emitting device and an electronic device which consumes low power and is driven at low voltage, a carbazole derivative represented by the general formula (1) is provided. In the formula, α¹, α², α³, and α⁴ each represent an arylene group having less than or equal to 13 carbon atoms; Ar¹ and Ar² each represent an aryl group having less than or equal to 13 carbon atoms; R¹ represents any of a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, and a substituted or unsubstituted biphenyl group; and R² represents any of an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, and a substituted or unsubstituted biphenyl group. In addition, l, m, and n are each independently 0 or 1.

An improved method for desulfurizing a fuel stream such as a diesel stream is disclosed which includes generation of a sulfone oil, the desulfurization of the sulfone oil and the recycling of the resulting biphenyl-rich stream and ultra-low sulfur diesel streams. The method includes combining a thiophene-rich diesel stream with an oxidant to oxidize the thiophenes to sulfones to provide a sulfone-rich diesel stream. Sulfone oil is extracted from the sulfone-rich diesel stream to provide sulfone oil and a first low-sulfur diesel stream The low-sulfur diesel stream is recycled. The sulfone-rich oil stream is combined with an aqueous oxidant-containing stream, such as caustic stream, which oxidizes the sulfones to biphenyls and forms sulfite to provide a second low-sulfur diesel stream

In order to manufacture a lithium secondary battery having excellent performances in safety under overcharge condition, cycle property, electric capacity, and storage endurance, 0.1 wt. % to 10 wt. % of a tert-alkylbenzene compound is favorably incorporated into a non-aqueous electrolytic solution comprising a non-aqueous solvent and an electrolyte, preferably in combination with 0.1 wt. % to 1.5 wt. % of a biphenyl compound.

The present invention provides pressure-sensitive adhesives having a refractive index of at least 1.50. The pressure-sensitive adhesives comprise at least one monomer containing a substituted or an unsubstituted biphenyl group.

A liquid crystal element includes a pair of plates at least one of which is transparent, and a composite layer retained between the plates and including a liquid crystal material in a transparent resin substrate. In the liquid crystal element, (A) the liquid crystal material in the composite layer contains aromatic rings and exhibits a cholesteric phase, the substrate in the composite layer is made of resin and contains aromatic rings, and a ratio of the number of aromatic rings to that of carbon atoms in the main chain of monomer is in a range from 1:5 to 1:12; (B) the liquid crystal material in the composite layer is formed of a mixture of a liquid crystal material exhibiting a nematic phase and a liquid crystal material exhibiting a smectic phase, and exhibits a cholesteric phase as a whole; or (C) the liquid crystal material in the composite layer is formed of a mixture of a tolane liquid crystal material, a biphenyl liquid crystal material and a chiral ingredient, and exhibits a cholesteric phase as a whole.

The invention relates to a high thermal conductivity resin composition and a high thermal conductivity coated metal foil board manufactured by using the same. The high thermal conductivity resin composition comprises the following components of: epoxy resin, at least one phenoxy resin or carboxy terminal butadiene acrylonitrile, biphenyl phenolic resin and a high thermal conductivity packing material, wherein the biphenyl phenolic resin has the structure shown in the specification. The high thermal conductivity coated metal foil board manufactured by using the high thermal conductivity resin composition comprises a high thermal conductivity adhesive film and metal foils coated on both sides of the high thermal conductivity adhesive film, wherein the high thermal conductivity adhesive film comprises a carrier film and the high thermal conductivity resin composition coated on the carrier film, and the carrier film is a polyester film or a polyimide film. The high thermal conductivity coated metal foil board comprises a resin composite metal foil and a metal foil or another resin composite metal foil coated on the previous resin composite metal foil, and the resin composite metal foil comprises a metal foil and the high thermal conductivity resin composition coated on the metal foil.

Compounds represented by general formula I or salts thereof, wherein n is an integer of 2 or 3; R represents a straight-chain or branched saturated alkyl group having 4 or 4 carbon atoms, a cyclopentyl group, a cyclohexyl group or the like, Y represents a hydroxyl or amino group, A represents a hydrogen atom, a hydroxyl, methoxy, nitro group or the like, Q represents a hydrogen atom or a hydroxyl or methoxy group. They can be formulated to give pharmaceutical compositions that are effective as prophylactic or therapeutic agents for allergic diseases associated with IgE production inhibitors or IgE antibodies.

The invention belongs to the field of medicine, and in particular relates to a medical application of 2-([1,1'-biphenyl]-4-yl)-2-oxoethyl 4-((3-chloro-4-methylphenyl) amino)-4-oxobutanoate in a selective histone lysine-specific demethylase 1 (LSD1) inhibitor, especially the application in anti-tumor medicaments. Pharmacodynamic tests indicate that the 2-([1,1'-biphenyl]-4-yl)-2-oxoethyl 4-((3-chloro-4-methylphenyl) amino)-4-oxobutanoate has a remarkable LSD1 inhibiting effect, and has selectivity to homologous proteins MAO-A (monoamine oxidase-A) and MAO-B.

Compositions and methods of forming and using those compositions are provided herein where the composition comprises at least one oligomer or polymer of Formula I wherein E is a cage compound; each Q is the same or different and selected from aryl, branched aryl, and substituted aryl wherein the substituents include hydrogen, halogen, alkyl, aryl, substituted aryl, heteroaryl, aryl ether, alkenyl, alkynyl, alkoxyl, hydroxyalkyl, hydroxyaryl, hydroxyalkenyl, hydroxyalkynyl, hydroxyl, or carboxyl; A is substituted or unsubstituted aryl with substituted or unsubstituted arylalkynyl group (substituents include hydrogen, halogen, alkyl, phenyl or substituted aryl; and aryl includes phenyl, biphenyl, naphthyl, terphenyl, anthracenyl, polyphenylene, polyphenylene ether, or substituted aryl); h is from 0 to 10; i is from 0 to 10; j is from 0 to 10; and w is 0 or 1.

An epoxy resin composition comprising an epoxy resin [A], an amine-based curing agent [B] and a block copolymer [C] as components, wherein the epoxy resin [A] contains [Aa] an epoxy resin having at least one structure selected from a condensed polycyclic structure, biphenyl structure and oxazolidone ring structure; [Ab] an epoxy resin selected from a polyfunctional amine type epoxy resin [Ab1] and a liquid bisphenol type epoxy resin [Ab2], and the block copolymer [C] is at least one block copolymer selected from the group consisting of S-B-M, B-M and M-B-M. The present invention provides an epoxy resin composition that can be cured to form a cured product excellent in heat resistance, elastic modulus and toughness.

This invention provides compounds of formula I:

wherein a, b, c, m, p, r, R¹, R², R³, R⁴, R⁵, R⁶, W and X¹ are as defined in the specification. The compounds of formula I are muscarinic receptor antagonists. The invention also provides pharmaceutical compositions containing such compounds, processes and intermediates for preparing such compounds and methods of using such compounds to treat pulmonary disorders.

An object is to provide a light-emitting element having high light-emission efficiency by provision of a novel fluorene derivative as represented by General Formula (G1) below.

In the formula, R¹ to R⁸ independently represent any of a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted biphenyl group. Further, α¹ to α⁴ independently represent any of a substituted or unsubstituted arylene group having 6 to 12 carbon atoms. Furthermore, Ar¹ and Ar² independently represent any of an aryl group having 6 to 13 carbon atoms in a ring and Ar³ represents an alkyl group having 1 to 6 carbon atoms or a substituted or unsubstituted aryl group having 6 to 12 carbon atoms. J, k, m, and n each independently represent 0 or 1.

The invention belongs to the field of super capacitors and particularly relates to a binary metal organic framework material applied to a super capacitor and a preparation method for the binary metal organic framework material. The binary metal organic framework material is formed of two types of metal ions and an organic ligand using a solvothermal method in a self assembly coordination manner. The two types of metal ions are Co-Ni, Co-Fe, Co-Mn, Ni-Mn or Ni-Cu. The organic ligand is trimesic acid, terephthalic acid, 2,6-naphthalene acid, 4,4'-biphenyl diacid or 2-methylimidazole. The binary metal organic framework material is advantaged by having multiple holes, large specific surface area and an adjustable structure, and being varied in structure. The cooperative effect between the two types of metal ions in the binary metal organic framework material (MOFs) is utilized, so that when the binary metal organic framework material is applied to the electrode material of a super capacitor, excellent cycling stability and high specific discharge capacity are achieved.

The invention relates a novel high temperature resistant polyimide foam and the preparation process thereof is as follows: (1) firstly, 2, 3, 3', 4'-biphenyl tetracarboxylic dianhydride or 2, 3, 3', 4'-biphenyl tetracarboxylic dianhydride and another type of aromatic dianhydride are heated and refluxed in a fatty alcohol solution so as to change the tetracarboxylic dianhydride into diacid diester; (2) in accordance with a certain proportion, the obtained diacid diester is synthesized into a precursor solution with one type or more of aromatic diamine and a blocking agent of acetylenyl benzene and a certain quantity of foam stabilizer is added into the solution; (3) the solution is heated to remove tiny molecule volatile matter and obtain a polymide precursor powder; and (4) the precursor powder is filled into a mould to be frothed at high temperature and carries out imidization so as to obtain the polyimide foam. The density of the novel high temperature resistant polyimide foam is 10 kg/m<3> to 500 kg/m<3> and the vitrified transformation temperature is over 350 DEG C; and the foam is characterized by excellent high temperature resistance, low temperature resistance, mechanical properties and functions of anti flaming, heat insulation or noise reduction.

Disclosed is an OLED device comprising an anode and a cathode and located there-between a light emitting layer containing a light emitting dopant and a host comprising a monoanthracene derivative of formula (I):

wherein

• [0001]
  • R₁-R₈ are H;
  [0002]
  • R₉ is not the same as R₁₀;
  [0003]
  • R₉ is a biphenyl group containing no fused rings with aliphatic carbon ring members;
  [0004]
  • R₁₀ is an ortho-substituted- or meta monosubstituted phenyl group; provided that R₉ and R₁₀ are free of amines and sulfur compounds.