101 results about "Unsaturated aliphatic hydrocarbons" patented technology

The present invention relates to a hydrosilation-curable organopolysiloxane resin composition comprising (A) an organopolysiloxane resin having three or more monovalent unsaturated aliphatic hydrocarbon groups and aromatic hydrocarbon carbon groups, (B) an organosilicon compound having two or more silicon-bonded hydrogen atoms and aromatic hydrocarbon groups, (C) a hydrosilation catalyst, and optionally (D) (d1) a solvent or (d2) a hydrosilation-reactive organosiloxane-based diluent, for optical transmission components, especially for optical transmission components serving as optical communication elements, relates to optical transmission components, represented by optical waveguides, comprisiong a hydrosilation-cured product of the aforementioned organopolysiloxane resin and organosilicon compound, and relates to a process for fabricatiing optical transmission components.

The present invention relates to a film made from a cross-linked polysiloxane obtained by subjecting a polysiloxane that has a specific chemical structure and contains at least two unsaturated aliphatic hydrocarbon groups in one molecule and an organosilicon compound with at least two hydrogen atoms directly bonded to silicon atoms in one molecule to cross-linking reaction in the presence of a platinum-type catalyst. The film provided by the invention possesses superior heat-resistant properties, has excellent permeability for light in the visible wavelength range, is characterized by low birefringence, and demonstrates physical properties suitable for practical application. By forming an inorganic substance layer on the aforementioned polysiloxane, it is possible to use the laminated film of the invention, e.g., as a transparent electrode film.

A photoelectric conversion element having a pair of electrodes, and a semiconductor layer comprising a semiconductor carrying a dye and an electrolyte layer is disclosed. The dye is represented by Formulas 1 or 2;in Formula 1, Ar1 and Ar2 are each an arylene or heterocyclic group, or a composite group of an arylene group and a heterocyclic group, each of which may have a substituent, Ar3 is an aryl or heterocyclic group or a composite group of an arylene group and a heterocyclic group, each of which may have a substituent, Ar1, Ar2 and Ar3 may form a ring by bonding with each other, X1 and X2 are each a straight chain residue having an acidic group which may have a mono-valent substituent, and one to eight saturated or unsaturated aliphatic hydrocarbon group having 5 to 30 carbon atoms are contained among Ar1, Ar2 and Ar3;in the formula, Ar11, Ar12, Ar13, Ar14 and Ar15 are each an arylene or heterocyclic group, or a composite group of an arylene group and a heterocyclic group, each of which may have a substituent, Ar11, Ar12, Ar13, Ar14 and Ar15 may form a ring by bonding with together, at least two of X11, X12, X13 and X14 are each an alkyl or alkenyl group having an acidic group which may have a mono-valent substituent and the remainders are each a hydrogen atom, and one to eight saturated or unsaturated aliphatic hydrocarbon group having 5 to 30 carbon atoms are contained among Ar11, Ar12, Ar13, Ar14 and Ar15.

It relates to high purity single-walled carbon nanotubes having controlled diameter, useful as industrial materials, including high-strength carbon wire rods, particularly uniform single-walled carbon nanotubes having diameter fallen in a range of from 1.0 to 2.0 nm, and a method for producing the same efficiently, in large amount and inexpensively. The single-walled carbon nanotube obtained is characterized in that its diameter is fallen in a range of from 1.0 to 2.0 nm, and an intensity ratio IG / ID between G-band and D-band in a Raman spectrum is 200 or more. Furthermore, those single-walled carbon nanotubes are synthesized by a gas-phase flow CVD method that uses a saturated aliphatic hydrocarbon which is liquid at ordinary temperature as a first carbon source and an unsaturated aliphatic hydrocarbon which is gas at ordinary temperature as a second carbon source.

The invention discloses a benzoxazine intermediate, composition and method for preparation, phenolphthalein type benzoxazine intermediate has a structural formula disclosed in the specification, wherein R is C3-C20 alicyclic hydrocarbon and its derivative, C3-C20 aliphatic hydrocarbon and its derivative, or C3-C20 unsaturated aliphatic hydrocarbon and its derivative. The intermediate is prepared by using phenothalin, primary amine and aldehyde as raw material through through solution synthesizing process or melting synthesizing process.

The selective saturation of unsaturated aliphatic hydrocarbons (e.g., diolefins) in a hydrogenation feed stream comprising an aromatic compound (e.g., benzene) and one or more nitrogen compounds renders is beneficial when the stream or a portion thereof is subsequently treated (e.g., with a zeolitic adsorbent) to remove nitrogen. In particular, the selective saturation of, for example, olefins and diolefins prolongs the life of the nitrogen guard bed. In a representative embodiment, the selective hydrogenation is applied to a recycle benzene-containing stream recovered in the separation section (e.g., from the benzene / toluene splitter overhead) of a styrene production process, prior to treatment with a nitrogen guard bed adsorbent.

The present invention relates to a film made from a cross-linked polysiloxane obtained by subjecting a polysiloxane that has a specific chemical structure and contains at least two unsaturated aliphatic hydrocarbon groups in one molecule and an organosilicon compound with at least two hydrogen atoms directly bonded to silicon atoms in one molecule to cross-linking reaction in the presence of a platinum-type catalyst.The film provided by the invention possesses superior heat-resistant properties, has excellent permeability for light in the visible wavelength range, is characterized by low birefringence, and demonstrates physical properties suitable for practical application. By forming an inorganic substance layer on the aforementioned polysiloxane, it is possible to use the laminated film of the invention, e.g., as a transparent electrode film.

An object of the present invention is to provide an antipruritic agent having a novel action mechanism. The present invention provides an antipruritic agent comprising a compound represented by the following general formula (1): wherein R1 represents a hydrogen atom or alkyl; the ring Q represents a cyclohexylene group or a phenylene group; A1 and A2 represent a single bond or an alkylene group; E represents —NHCO—; A3 represents a single bond or a divalent saturated or unsaturated aliphatic hydrocarbon group; R3 represents a non-cyclic aliphatic hydrocarbon group; and R4 and R5 are the same or different and each represents a hydrogen atom or alkyl, or a pharmaceutically acceptable salt thereof as an active ingredient.

The invention discloses a halogen-free flame retarding compounded system based on a phosphorus / aluminum compound. The compounded system, on the basis of total weight of 100%, includes 40-90% of diethyl aluminum hypophosphite, 10-50% of organic aluminum phosphite, and 1-10% of a zinc salt thermal stable compound. The organic aluminum phosphite is represented as the structural formula (I), wherein Ris selected from C1-C6 straight-chain saturated aliphatic hydrocarbon groups, C1-C6 straight-chain unsaturated aliphatic hydrocarbon groups or aryl groups. The invention discloses a novel halogen-free flame retarding compounded system based on the phosphorus / aluminum compound; the system has high flame retarding performance, is free of migration and has no corrosion on equipment, can be applied to glass fiber reinforced engineering plastic to produce halogen-free flame-retarding glass fiber reinforced engineering plastic, which is used for manufacturing parts of products in the field of electronics and electric appliances.

The invention relates to a thermally-activated delay fluorescent material. The thermally-activated delay fluorescent material is a 4,5-position substituted phthalimide derivative, R1 is an electron-rich aromatic amine substituent group containing at least one nitrogen, amino nitrogen of the electron-rich aromatic amine substituent group is connected with phthalimide, and R2 is any one of saturated aliphatic group, unsaturated aliphatic group, aryl and hetero aryl. The 4,5-position substituted phthalimide derivative has the advantages of having thermally-activated delay property, high fluorescence quantum yield and easy derivatization characteristics and the advantages of good stability and the like. A preparation method of the thermally-activated delay fluorescent material is simple in synthesis, the raw materials are cheap, the product yield is high, and the material can be prepared in a large-scale mode. The invention provides an organic electroluminescence device. The organic electroluminescence device has the advantages of high efficiency, low driving voltage, long service life, stable light emitting and the like. The thermally-activated delay fluorescent material provided with a 4,5-position substituted phthalimide structure and the organic electroluminescence device based on the material have a very good application prospect.

A vitamin D derivative of general formula (1):wherein X represents an oxygen or sulfur atom, R11 represents a saturated or unsaturated aliphatic hydrocarbon group which may be substituted by a hydroxyl group or a protected hydroxyl group, or a -COR12 group where R12 represents an alkyl, aryl or alkoxy group, R2 represents -OR9 or a hydrogen atom, and R9 and R10 each represent a hydrogen atom or a hydroxyl group.

The present invention discloses the long chain fatty amide compound with general expression as shown and its application. The compound of the present invention may be used as nerve protecting agent for treating cerebral ischemia, cerebral apoplexy, Alzheimer disease, Parkinson disease and other nerve system diseases.

An object of the present invention is to provide skin external preparations and cosmetics which contain a branched acyl carnitine and have excellent formulation stability. A skin external preparation of the present invention includes a carnitine derivative represented by the following Formula (1) and / or a carnitine derivative salt represented by the following Formula (2), and an amphoteric surfactant.In Formula (1), R1 and R2 are each independently a C1-18 optionally branched, saturated or unsaturated aliphatic hydrocarbon group. In Formula (2), R1 and R2 are the same as in Formula (1), X− is a specific anion and Y+ is a specific cation.

An emulsified skin external preparation including 0.01 to 10% by mass of a branched acyl carnitine derivative represented by the following Formula (1) and / or a carnitine derivative salt represented by the following Formula (2), and 0.01 to 20% by mass of a nonionic surfactant:where R1 and R2 are each independently a C1-18 optionally branched, saturated or unsaturated aliphatic hydrocarbon group. In Formula (2), R1 and R2 are the same as in Formula (1), X− is a specific anion and Y+ is a specific cation.

The present invention relates to a polysiloxane composition which contains(A) at least one type of organopolysiloxane that contains at least two unsaturated aliphatic hydrocarbon groups in the molecule,(B) at least one type of organohydrogenpolysiloxane that contains at least two silicon-bonded hydrogen atoms in the molecule,(C) a hydrosilylation reaction catalyst, and(D) inorganic particles which have a major axis to minor axis ratio of 1 to 1.5 and in which the proportion of particles having a diameter of 50 μm or greater is 5 wt. % or less of the total quantity of particles,and which satisfies prescribed conditions. The polysiloxane composition of the present invention has good processability and can provide a hard cured product having an extremely low coefficient of thermal expansion after curing.

The invention discloses an application of an N-benzyl fatty acyl amide compound to preparation of neuroprotective drugs. In a structural formula in the specification, R1 is H or hydroxy or C1-4 alkoxy and R2 is C7-C23 saturated or unsaturated fatty alkyl. The compound can serve as a neuroprotective agent and is used for preparing drugs for treating nerve diseases such as cerebral ischemia, cerebral injury, multiple sclerosis, Alzheimer disease and Parkinson disease.

A process is disclosed for the preparing silicone polyethers by reacting; (A) a polyether having at least one terminally unsaturated aliphatic hydrocarbon group and an alkali metal content of less than 50 ppm, (B) an organohydrogensiloxane having an acid number of less than 0.005, via a hydrosilylation reaction. The process is particularly useful to prepare silicone polyethers of improved quality via a continuous process.

Disclosed is a single-walled carbon nanotube which is useful as an industrial material such as a high-strength carbon wire, has a controlled diameter, and has a high purity, particularly a uniform single-walled carbon nanotube having a diameter ranging from 1.0 to 2.0 nm. Also disclosed is a method for production of the single-walled carbon nanotube with high efficiency, in a large scale and at low cost. The single-walled carbon nanotube has a diameter ranging from 1.0 to 2.0 nm and also has a ratio between the intensity of G-band and the intensity of D-band (IG / ID ratio) in a Raman spectrum of 200 or greater. The single-walled carbon nanotube or the like can be synthesized by a gas-flow CVD method using a saturated aliphatic hydrocarbon which is in a liquid state at ambient temperature as the first carbon source and an unsaturated aliphatic hydrocarbon which is in a gaseous state at ambient temperature as the second carbon source.

The invention provides methoxyimino phenylacetate compounds containing nitrohydrazinecarboximidamide structures as well as a preparation method and an application of the methoxyimino phenylacetate compounds. The structural formula of each compound is represented as the formula I, wherein R1 is H, C1-C10 saturated or unsaturated aliphatic hydrocarbon, phenyl, substituted phenyl, pyridine-2-yl, substituted pyridine-2-yl, pyridine-3-yl, substituted pyridine-3-yl, pyridine-4-yl, substituted pyridine-4-yl, thiazole-2-yl, substituted thiazole-2-yl, furan-2-yl, substituted furan-2-yl, benzyl, substituted benzyl, phenethyl, substituted phenethyl, 2-hydroxy-1-naphthyl or 3-substituted phenyl propane-2-yl; R2 is hydrogen or C1-C10 alkyl. An insecticidal and bactericidal activity experiment proves that the compounds represented in the formula (I) have good biological activity, can effectively prevent crops from being invaded by insects and harmful bacteria and can be used as plant insecticidal and bactericidal agents.

An electro-chargeable fiber includes a thermoplastic resin fiber having a nonionic fiber finish containing at least one major component selected from the group consisting of (a) at least one sorbitan fatty acid ester having formula (I) or formula (II) and (b) polyoxyalkylene alkyl ether having formula (III), wherein the nonionic fiber finish is present in an amount of 0.01-1.5% by weight of the thermoplastic resin fiber; wherein R1, R2, and R3 independently of one another represent a hydroxyl group, a polyoxyethylene group, or a polyoxypropylene group, the respective degree of polymerization (an ethylene oxide group or a propylene oxide group as a constitutional unit) independently of one another is from 0 to 55, and R4 represents a saturated or unsaturated aliphatic hydrocarbon group of 16-30 carbon atoms, formula (III)R5—OCH2CHR6OkHwherein R5 represents a saturated or unsaturated aliphatic hydrocarbon group of 12-30 carbon atoms, R6 represents hydrogen or a methyl group, and k is an integer from 5 to 50.

The present invention relates to a hydrosilylation-curable organopolysiloxane resin composition for a light-transmitting component, especially a light-transmitting component used as an optical communication element, which comprises (A) an aliphatic compound having three or more monovalent unsaturated Hydrocarbyl and aromatic hydrocarbon-based organopolysiloxane resins, (B) an organosilicon compound having two or more silicon-bonded hydrogen atoms and aromatic hydrocarbon groups, (C) a hydrosilylation catalyst, and optionally ( D) (d1) solvent or (d2) hydrosilylation-reactive organosiloxane type diluent relating to a light-transmitting component represented by an optical waveguide comprising a hydrosilylation cured product of the above-mentioned organopolysiloxane resin and organosilicon compound , and also relates to a method of manufacturing a light-transmitting component.

The invention provides an azo pigment composition as well as a preparation method thereof and an ink composition for gravure and relates to a pigment composition and an oil-based coloring composition for gravure containing the pigment composition. The pigment composition can provide an ink and on the aspect of components of the little environmental load oil-based ink, the prepared ink has the advantages of low initial viscosity, excellent stability of viscosity over time and further high glossiness. As a method for solving the technical problem disclosed by the invention, the pigment composition comprises 1-10 parts of nonionic surfactant according to mass conversion relative to 100 parts of the azo pigment, wherein the nonionic surfactant has a molecular weight of below 1000 and is formed by saturated or unsaturated aliphatic hydrocarbon ether compounds with polypropylene oxide and polyethylene oxide as skeletons.

The invention concerns a powder metal composition comprising an iron based powder and a lubricant and / or binder comprising at least one secondary amide of the general formula: R1—NH—CO—R2, wherein R1 and R2 are the same or different, straight or branched, saturated or unsaturated aliphatic hydrocarbon groups. The invention further concerns a method of making green bodies of the powder metal composition according to the invention, a method of producing a bonded iron-based powder composition, as well as the use of the at least one secondary amide as a lubricating and / or binding agent for iron based powders and the use as a die wall lubricant.

Disclosed is a method for removing unsaturated aliphatic compounds from a hydrocarbon feed stream by contacting the hydrocarbon feed stream with an acidic molecular sieve to produce a hydrocarbon effluent stream having a lower unsaturated aliphatic content relative to the hydrocarbon feed stream. The hydrocarbon feed stream comprises an aromatic compound, a nitrogen compound, and an unsaturated aliphatic compound.

The invention provides a preparation method and device of a hydroxyl pyrazol compound. The preparation method comprises the steps that alkoxy acrylate serving as a raw material A and a raw material B(the formula is shown in the description) are continuously introduced into a continuous reaction device to be subjected to a continuous reaction, and a crude product obtained through the reaction is continuously discharged from the continuous reaction device, wherein R is H, alkyl, unsaturated aliphatic radical, aryl, alkyl containing heteroatoms, unsaturated aliphatic radical containing heteroatoms or aryl containing heteroatoms; the crude product is separated and purified to obtain the hydroxyl pyrazol compound. The alkoxy acrylate and the raw material B are adopted to react to prepare the hydroxyl pyrazol compound, the route is short, the reaction efficiency is high, and the cost is low. Meanwhile, the method adopts a continuous reaction means to synthesize the hydroxyl pyrazol compound, can effectively improve the heat dissipation problem in batch reaction process, and continuous reaction is beneficial for further improving the reaction efficiency.

Disclosed is a method for removing unsaturated aliphatic compounds from a hydrocarbon feed stream by contacting the hydrocarbon feed stream with activated carbon to produce a hydrocarbon effluent stream having a lower unsaturated aliphatic content relative to the hydrocarbon feed stream. The hydrocarbon feed stream comprises an aromatic compound, a nitrogen compound, and an unsaturated aliphatic compound.

The present invention provides a complex compound (I) obtained by coordinating a ligand represented by the formula (II) below and a bidentate ligand to a metal atom,wherein, in the formula, Y1 and Y2 each independently represent a group containing an unsaturated aliphatic hydrocarbon and an aromatic ring; R1 and R2 each independently represent a salt of an acidic group or an acidic group; A represents a group containing a nitrogen atom, an oxygen atom, a carbon atom, a silicon atom, a sulfur atom or a selenium atom; and m, a, and b each independently represent an integer of 0 to 2, while satisfying a+b≧1.

Disclosed is a method for removing unsaturated aliphatic compounds from a hydrocarbon feed stream by contacting the hydrocarbon feed stream with activated carbon to produce a hydrocarbon effluent stream having a lower unsaturated aliphatic content relative to the hydrocarbon feed stream. The hydrocarbon feed stream comprises an aromatic compound, a nitrogen compound, and an unsaturated aliphatic compound.

Disclosed is a method for removing unsaturated aliphatic compounds from a hydrocarbon feed stream by contacting the hydrocarbon feed stream with an adsorbent comprising clay to produce a hydrocarbon effluent stream having a lower unsaturated aliphatic content relative to the hydrocarbon feed stream. The hydrocarbon feed stream comprises an aromatic compound, a nitrogen compound, and an unsaturated aliphatic compound.