374 results about "Terphenyl" patented technology

In a rechargeable non-aqueous electrolyte secondary battery using positive electrodes, negative electrodes and a non-aqueous electrolytic solution, additives to the electrolytic solution are used in combination, preferably in combination of at least two compounds selected from o-terphenyl, triphenylene, cyclohexylbenzene and biphenyl, and thus there are provided batteries excellent in safety and storage characteristics.

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.

The invention discloses a metal organic framework material as well as a preparation method and application thereof. The chemical molecular formula of the metal organic framework material is {[M3(P)3(Q)2].5DMF.2H2O}n, wherein M is one or more metal cations selected from the group consisting of Fe<2+>, Co<2+>, Ni<2+>, Cu<2+>, and Zn<2+>; P is an organic ligand 2',3'-dimethyl-p-terphenyl-4,4''-dicarboxylic acid; Q is one or more auxiliary organic ligands selected from the group consisting of 4,4'-dipyridyl, 2-phenylpyridyl, 4-phenylpyridinium, and 1,4-di(p-pyridyl)benzene; DMF is (i)N, N'(/i)-dimethylformamide. The metal organic framework material provided by the invention has good water resistance and thermal stability resistance; due to the presence of 2', 3'-dimethyl group, the process ofan interpenetrating network is restricted to a certain degree, and the excessive orifices in the metal organic framework material are narrowed.

The invention discloses anhydrous stemming for a blast furnace tapping hole, belonging to the technical field of refractory material for blast furnaces. The anhydrous stemming for a blast furnace tapping hole disclosed by the invention is composed of refractory aggregate and bonding agent, wherein the refractory aggregate comprises the following components in parts by mass: 12-14 parts of titanium dioxide, 3-5 parts of titanium carbide, 20-25 parts of corundum, 15-18 parts of silicon carbide, 30-38 parts of mullite, 5-7 parts of calcium-free chromium slag, 6-8 parts of blast furnace gas ash, and 9-11 parts of coke; and the bonding agent comprises the following components in parts by mass: 40-50 parts of asphalt, 4-6 parts of hydrogenated terphenyl, 10-12 parts of organic silicon resin, 8-11 parts of furan resin, and 11-15 parts of melamine-formaldehyde resin, wherein the mass ratio of the refractory aggregate to the bonding agent is 100:13-15. The anhydrous stemming disclosed by the invention has good opening performance, moderate plasticity, can resist scouring and erosion of high-temperature iron slag, does not pollute the environment, and is low in production cost.

A novel aromatic amine derivative which is a diamine compound having a p-terphenyl-4,4″-diyl structure. An organic electroluminescence device which is composed of one or more organic thin film layers including at least one light emitting layer sandwiched between a cathode and an anode. Since at least one of the organic thin film layers contains the aromatic amine derivative singly or combination of two or more, the tendency of molecular crystallization is reduced and the yield in the fabrication of electroluminescence devices is enhanced. The aromatic amine derivative enables the production of electroluminescence devices having a prolonged lifetime and a high efficiency even after storing at high temperatures.

The present invention relates to reagent for lithiation reaction. On the condition of room temperature and inert atmosphere, mix lithium, organic compound contained benzene ring and ethers compound, solve and obtain solution; wherein, lithium 0.01~10M/L, organic compound contained benzene ring 0.01~5M/L, other is solvent; the general form is R₁OR₂ or ethers compound with R₁OR₂OR₃; wherein, R₁, R₂, R₃ are alkyl of C₁í½C₅; organic compound contained benzene ring aforementioned comprises biphenyl or condensed-nuclei aromatics, optimization of biphenyl and its derivant, terphenyl, quaohenyl, naphthalin, anthracene, and phenanthrene. The lithiation reagent is easy for preparation, storage, cheap of cost and high activity; not only for common reaction, but also can be used to preprocess of electrode material to store lithium cell or prepare new inorganic compound contained lithium; has wide scope of usage.

A liquid crystal composition is provided that has a wide temperature range of a nematic phase, a suitable optical anisotropy, a large negative dielectric anisotropy and a large specific resistance, and preferably a liquid crystal composition is provided that has a larger optical anisotropy and a lower minimum temperature of a nematic phase while satisfying the aforementioned characteristics. A liquid crystal display device containing the liquid crystal composition is also provided. The liquid crystal composition contains a liquid crystal compound having terphenyl, in which one or two hydrogens are replaced by fluorines, as the first component, and a liquid crystal compound having phenylene, in which two hydrogens are replaced by fluorine, as the second component, and the liquid crystal display device contains the liquid crystal composition.

The present invention provides a liquid crystalline polyester composition comprising a terphenyl and a liquid crystalline polyester, wherein the terphenyl substantially consists of p-terphenyl, and the p-terphenyl is contained in the composition in the amount of 0.3 to 15 parts by weight on the basis of 100 parts by weight of the liquid crystalline polyester. The liquid crystalline polyester composition has high flowability and low anisotropy, which can also suppress generation of gases when molded.

The present invention discloses a method for synthesis of 2'-fluoro terphenyl liquid crystal. With the present invention, problems of more reaction steps, low yield, heavy environmental hazard, expensive catalysts, or hazard on the human body in the prior art are solved. The technical scheme of the present invention is that: a catalyst is added to an organic solvent of the raw material to carry out a suzuki coupling reaction to realize the synthesis of the 2'-fluoro terphenyl liquid crystal. According to the present invention, 4-bromo-3-fluoro iodobenzene, a phenyl boronic acid derivative and a base are adopted as raw materials, and are subjected to two suzuki coupling reactions in the solvent under the effect of the catalyst at the reaction temperature of 70-100 DEG C to obtain the 2'-fluoro terphenyl liquid crystal, wherein the times of the two suzuki coupling reactions are respectively 4-10 hours and 10-20 hours. The method of the present invention has advantages of simple process, mild conditions, low preparation cost, high yield, environmental protection, and strong practicability.

The invention relates to a method for detecting phosphate ions based on a dual-emission europium metal organic framework material. The dual-emission lanthanide europium metal organic framework material is used as a ratio-type fluorescence probe for being applied to high-selectivity high-sensibility detection of the phosphate ions. The chemical general formula of the adopted dual-emission lanthanide europium metal organic framework material is [Eu2(L)2(H20)2(DMF)2], wherein a Eu2O2 cluster is used as an inorganic node, a rigid asymmetric tricarboxylic acid ligand terphenyl-3,4'',5-tricarboxylicacid (H3L) is used as an organic bridging ligand, and preparation is successfully conducted by means of a simple and convenient one-pot solvothermal technology. The invention further discloses application of the metal organic framework material in the aspect of selectively detecting phosphate anions. In a detecting process, along with increase of the content of the added phosphate anions, obviouscolor change from pink to purple which is easily observed with naked eyes is presented under radiation of an ultraviolet lamp, and thus the detecting process becomes more convenient and practical.

The invention provides an anion exchange polymer and a preparation method and application thereof. The anion exchange polymer comprises at least one structural unit as shown in a formula (I) and a structural unit as shown in a formula (II); the anion exchange polymer further comprises at least one structural unit as shown in a formula (III) and/or formula (IV); the main chain of the anion exchangepolymer contains biphenyl, terphenyl and piperidine quaternary ammonium cation structural units at the same time, so the anion exchange polymer has high chemical stability, excellent ionic conductivity, mechanical strength and swelling resistance, and can meet the application requirements of different electrochemical devices such as fuel cells, water electrolyzers and electrodialyzers.

The invention relates to a liquid hydrogen storage material and a preparation method thereof. The liquid hydrogen storage material comprises a carbazole type hydrogen storage component and an additivewith a low melting point and a high heat transfer coefficient; the carbazole type hydrogen storage component is at least one of carbazole, N-methyl carbazole, N-ethyl carbazole, N-n-propyl carbazole,N-isopropyl carbazole or N-n-butyl carbazole; the heat conduction additive component with a low melting point is at least one of benzyltoluene or hydrogenated terphenyl. The liquid hydrogen storage material is a mixture formed by mixing the carbazole type hydrogen storage material with a high melting point with the heat conduction additive with a low melting point and has an eutectic point whichis at least lower than the melting point of one component, and the melting point of the entire hydrogen storage material can drop to 0 DEG C or below. At the same time, the heat conduction additive with a low melting point has a high heat transfer coefficient, and the heat conductivity coefficient of the mixture formed after the additive is mixed with the carbazole type hydrogen storage material can be higher than that of the carbazole type hydrogen storage material; the whole hydrogen storage material can quickly reach the dehydrogenation temperature during dehydrogenation, so that the release rate of hydrogen is increased.

Novel hydrocarbons which are excellent in heat resistance and light resistance and in solubility in organic solvents and which exhibit high energy levels of excited singlet and triplet states and wide electric oxidation-reduction potentials have partial structures represented by the general formula (I) in the molecule: (I) wherein G is a substituent represented by the general formula (II); and R<1> and R<2> are each independently an arbitrary hydrocarbon group, with the proviso that the benzene ring to which R<1>, R<2> and G are bonded has no substituent except R<1>, R<2> and G: (II) wherein R<3> to R<5> are each independently hydrogen or an arbitrary hydrocarbon group, with the proviso that the terphenyl group in the general formula (II) has no substituent except R<3> to R<5>.

The invention relates to the field of organic light emitting devices, and discloses a deuterated phenyl containing triazine compound and applications thereof, and an organic electroluminescent device.The triazine compound has a structure which is shown as a formula (I); R1 and R2 are respectively and independently selected from substituted or unsubstituted phenyl, substituted or unsubstituted biphenyl, substituted or unsubstituted terphenyl, substituted or unsubstituted fluorenyl, a substituted or unsubstituted dibenzothiophene group, and a substituted or unsubstituted dibenzofuran group. Current efficiency, brightness and service life can be effectively enhanced when the compound is used as the host material of a luminous layer. The structure of the compound is shown as the formula (I).