418 results about "Compound c" patented technology

A free radical curable liquid for inkjet printing of food packaging materials includes no initiator or otherwise one or more initiators selected from the group consisting of non-polymeric di- or multifunctional initiators, oligomeric initiators, polymeric initiators, and polymerizable initiators; and a polymerizable composition of the liquid consists essentially of: a) 25-100 wt % of one or more polymerizable compounds A having at least one acrylate group G1 and at least one second ethylenically unsaturated polymerizable functional group G2 selected from the group consisting of a vinlyether group, an allylether group, and a allylester group; b) 0-55 wt % of one or more polymerizable compounds B selected from the group consisting of monofunctional acrylates and difunctional acrylates; and c) 0-55 wt % of one or more polymerizable compounds C selected from the group consisting of trifunctional acrylates, tetrafunctional acrylates, pentafunctional acrylates and hexafunctional acrylates. If the weight percentage of compounds B>24 wt %, then the weight percentage of compounds C>1 wt %, and all weight percentages of A, B, and C are based upon the total weight of the polymerizable composition. At least one polymerizable compound B or C is present in the polymerizable composition if the free radical curable liquid contains no initiator.

An optical film of the present invention includes a positive A-plate and a positive C-plate, in which the Re(450), Re(550), and Re(650) of the positive A-plate satisfy the relationship of Re(450)≦Re(550)≦Re(650), the positive A-plate is formed of a cured product of a composition including the liquid crystal compound A, and the positive C-plate is formed of a cured product of a composition including the liquid crystal compound C.

A catalyst for the polymerization or copdymerization of olefin is composed of Ti-contained solid component A, organoaluminium compound B and organosilicon compound C. Said A is prepared through dissolving magnesium halide in the mixture of organic epoxy compound, organophosphorus compound and inertial diluent, adding educing agent and magnesium halide or its derivatives to educe out Mg/Ti contained deposit, and carrying a surface modifier, a titanium halide or derivative and an electronic doner. It can be used for the polymerization of propene or copolymerization of propene-ethene.

The invention discloses a medium-low temperature environmental-friendly disperse dye composition, which comprises the following components in percentage by weight: 3-94 percent of dye compound A as shown in the formula (1), 3-55 percent of dye compound B as shown in the formula (2), 3-60 percent of dye compound C as shown in the formula (3) and 0-2 percent of dye compound D as shown in the formula (4). The dye composition has the advantages of bright color shade, good synchronism during dyeing, good reproducibility, and good leveling-dyeing property, coverage property and each fastness, and particularly has more remarkable advantages on compatibility among dyes and sublimation fastness; and moreover, the invention is environmental-friendly and overcomes the defect that environmental protection and good fastness property cannot be achieved at the same time in the prior art.

The invention discloses a silicon framework hyperbranched epoxy resin and a preparation method thereof. Firstly, compound A containing two moles of silicon-hydrogen bond, compound B containing three moles of double bond and self-made halloysite supported platinum catalyst are uniformly mixed, and are stirred under the temperature of 30DEG C to 100DEG C to react for 5 to 10 hours, so that the double bond can fully reacts, and thereby hyperbranched organic silicon resin, the end group of which is the silicon-hydrogen bond, is obtained; then, compound C containing a epoxy group is added in the hyperbranched organic silicon resin, and is stirred under the temperature of 60DEG C to 120DEG C to react for 10 to 15 hours until the silicon-hydrogen bond fully reacts, hydroquinone as polymerization inhibitor is then added, and after vacuumization, the silicon framework hyperbranched epoxy resin is obtained. The method has the advantages of simple technique and easily obtained materials, and does need organic solvent and processes such as washing, thus avoiding environment pollution caused by conventional organic solvent and washing for preparing organic silicon resin, and the obtained product is expected to be applied to fields such as the strengthening and toughening of epoxy resin and solventless, low-volatility epoxy resin coating.

The invention discloses an environment-friendly yellow dye composition which consists of the following compositions in weight percentage: 7.5 to 27 percent of dye compound A shown as formula (1), 6.8 to 25 percent of dye compound B shown as formula (2), 0.01 to 0.1 percent of dye compound C shown as formula (3) and the balance being an additive. The dye composition has good compatibility, wide application range of the PH value in dyeing, high coloration amount, good level dyeing property and good fastness, has prominent advantages in fastness of sublimation and washing, and is an environment-friendly yellow dispersed dye with various superior performances.

Capped amine hardeners for epoxy resins, which are reaction products of amines A having at least two primary amino groups, cyclic alkylene carbonates B, aliphatic carbonyl compounds C and compounds D having at least two groups which react with hydroxyl groups, such that in the first step, 0.1 to 1 mol of the primary amino groups for each 1 mol of the amine A are converted to hydroxyalkylurethane groups by reaction with the cyclic alkylene carbonate B, and the remaining primary amino groups are converted by reaction with the aliphatic carbonyl compound C in a second step to give ketimine or aldimine groups, and finally in the third step at least two of the molecules formed from A, B, and C are linked through reaction of the hydroxyl groups of the hydroxyalkylurethane groups with compound D. These capped amine hardeners are suitable for formulating water-dilutable monocomponent epoxy resin systems. The amines are released by addition of water, and are available for the curing reaction with the epoxy groups. Coatings formulated on the basis of this system are characterized by a very low content of auxiliary solvent. The cured coating films show outstanding leveling and film properties.

The invention discloses an Apixaban preparation method. The Apixaban preparation method comprises that 1, an intermediate I and an intermediate II undergo a [3+2] cyclization addition reaction under the alkali action to produce a compound B, and the compound B undergoes a morpholine ring removal reaction under the acid condition to produce a compound C, 2, the compound C is reduced by iron powder to form a corresponding amino compound D, 3, the amino compound D and 5-chlorovaleryl chloride undergo an amidation reaction under the triethylamine action to produce a compound E, 4, the compound E undergoes a cyclization reaction under the strong base action to produce a compound F, 5, the compound F undergoes a hydrolysis reaction under the strong base action to produce a corresponding carboxyl compound G, and 6, the carboxyl compound G and CDI undergo a reaction to produce an active intermediate H and the active intermediate H and ammonia water undergo an aminolysis reaction to produce the desired compound A. The Apixaban preparation method has simple processes, does not need strict reaction conditions, has low equipment requirements, has high reaction yield, utilizes stable intermediates thereby solving intermediate storage problems, and effectively improves product purity.

A curable composition containing an inorganic compound A having sulfur atom and/or selenium atom, a compound B represented by the following formula 1:

wherein m is an integer from 0 to 4, and n is an integer from 0 to 2,

and a compound C selected from the group consisting of thiol compounds having one SH group and disulfide compounds which are other than the compound B and have one or more disulfide linkages. The inorganic compound A is contained in an amount from 1 to 50 parts by weight and the compound B is contained in an amount from 50 to 99 parts by weight when a total of the inorganic compound A and the compound B is taken as 100 parts by weight. The compound C is contained in an amount from 1 to 20 parts by weight based on 100 parts by weight in total of the inorganic compound A and the compound B. The curable composition causes little increase in the viscosity even when subjected to prepolymerization and deaeration, thereby facilitating the operation of cast polymerization for producing optical materials, etc.

The invention relates to a preparing method for depositing silica dioxide, which comprises the following steps: dissolving the silicate of alkali metal to saline solution a with water, dissolving the soluble salt of metallic ion with 2 valency or above 2 valency to saline solution b with water as a polymerization inhibitor, reacting with between saline solution a and saline solution b at a temperature of 10 -80 Deg. C to get the compound c, heating the compound c to 60-95 Deg. C, acidifying by adding acidating agent and adjust the PH in 1-5 to get the compound d1, then maturing 3-100 min with respect to heat to get the compound d2, filtering, washing and drying compound d2, to get the ultra-fine disposition silica dioxide.

The active composite dye includes at least one of compound A, at least one of compound B and at least one of compound C, with the compounds A, B and C being shown. The active composite dye is suitable for dyeing cellulose or protein fiber, and has the composition meeting the environmental and ecological requirement of Oeko-Tex Standard 100. The active composite dye has high build-up, good level dyeing property, good color reproduction, high dye uptake and other excellent performance.

A free radical curable liquid for inkjet printing of food packaging materials includes no initiator or otherwise one or more initiators selected from the group consisting of non-polymeric di- or multifunctional initiators, oligomeric initiators, polymeric initiators, and polymerizable initiators; wherein the polymerizable composition of the liquid consists essentially of: a) 25-100 wt % of one or more polymerizable compounds A having at least one acrylate group G1 and at least one second ethylenically unsaturated polymerizable functional group G2 different from the group G1; b) 0-55 wt % of one or more polymerizable compounds B selected from the group consisting of monofunctional acrylates and difunctional acrylates; and c) 0-55 wt % of one or more polymerizable compounds C selected from the group consisting of trifunctional acrylates, tetrafunctional acrylates, pentafunctional acrylates and hexafunctional acrylates. If the weight percentage of compounds B>24 wt %, then the weight percentage of compounds C>1 wt %; and wherein all weight percentages of A, B and C are based upon the total weight of the polymerizable composition. At least one polymerizable compound B or C is present in the polymerizable composition if the free radical curable liquid contains no initiator. The polymerizable compound A has a copolymerization ratio of

0.002<r2/r1<0.200

with r1 and r2 representing the copolymerization parameters of methyl-G1 respectively methyl-G2 determined according to the method of Kelen-Tudos.

The invention discloses a mycobacterium M. tuberculosis holoprotein chip and an application thereof. The protein chip has at least one of the following functions (1) to (7); the following 4,168 proteins are connected to the protein chip, and each protein independently forms a detection point. Experiments show that the mycobacterium M. tuberculosis holoprotein chip consists of a substrate and proteins containing more than 95 percent of mycobacterium M. tuberculosis genome codes. The holoprotein chip is obviously significant for looking for a serum biomarker, a substrate interacting with a micromolecular compound c-di-GMP, a kinase substrate interacting with protein kinase and a substrate interacting with macrophage. Compared with an existing research means, the holoprotein chip has global and high-throughput screening characteristics, research design and operation processes are simplified, and the research efficiency is remarkably improved.

The invention discloses a method for preparing (Z)-5-amino-alpha-(ethoxy imino group)-1, 2, 4-thiadiazole-3-acetic acid. The method comprises steps of firstly, carrying out oximation reaction on malononitrile and sodium nitrite under the action of acetic acid so as to obtain a compound A, then carrying out Williamson synthesis on the compound A and bromoethane or diethyl sulfate under alkaline condition, so as to obtain a compound B, then carrying out amidine reaction on the compound B and ammonia water, so as to obtain a compound C, carrying out cyclization reaction on the compound C and potassium rhodanide for ring closing so as to obtain a compound D, and finally, hydrolyzing the compound D under the action of a strong base, so as to obtain (Z)-5-amino-alpha-(ethoxy imino group)-1, 2, 4-thiadiazole-3-acetic acid. The method has few synthesis steps, has low cost, uses the materials which are cheap and easy to obtain, is beneficial to industrial production, and has light contamination; the purity of the product can reach 99%, so that synthesis of high-purity ceftaroline fosamil in the subsequent step is guaranteed.

The present invention relates to a pure traditional Chinese medicine composition for treating avian influenza, which can be used for preventing or treating the avian influenza of chicken and duck. The pure traditional Chinese medicine composition is prepared by mixing a pure traditional Chinese medicine compound A, a pure traditional Chinese medicine compound B and a pure traditional Chinese medicine compound C, wherein the proportioning ranges are respectively as follows: 180g-420g, 80g-100g and 260-510g. The method for preparing the pure traditional Chinese medicine mainly comprises four steps of mixing, grinding, stirring and placing in an oxygen-deficient environment. In the specific application process, the proportion of the three pure traditional Chinese medicines by weight is 4: 1: 3. The medicine of the invention which is prepared by natural plant has the advantages of no side effect, ideal function, strong function, excellent safety, ideal effectiveness, convenient using and no effect for the egg laying rate of domestic birds of chicken, duct, etc. Furthermore the color of the egg is red and bright and the egg shell is smooth. The immunity of the domestic bird can be increased when the traditional Chinese medicine is used periodically. The traditional Chinese medicine of the invention develops a novel path for preventing the avian influenza virus.

The invention discloses a synthetic method and bioactivity of beta-amino acid esters which have optical activity and contain benzothiazole groups. The beta-amino acid esters which have optical activity and contain the benzothiazole groups have the structure shown in the general formula (I), and in the formula, R1 is a group of hydrogen, p-chloro, o-chloro, p-fluoro, o-fluoro, p-methyl, o-methoxy and the like; R2 is a group of 4-methyl, 6-methoxy and the like; and R3 is a group of methyl, ethyl, propyl, isopropyl and the like. The invention introduces Mannich reaction which uses organic catalyst of cinchona alkaloid thiourea to catalyze benzothiazole imine and malonate, the product is obtained by one-step synthesis, and the reaction yield and the selectivity to enantiomer are both high. Compounds c, d and e in the inveniton have high therapeutic and passivation inhibiting effects towards tobacco mosaic virus (TMV) and cucumber mosaic virus (CMV) and show good anti-plant virus activity.

The invention relates to a process for preparing binders which contain 1) allophanate groups, 2) groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups) and 3) optionally NCO-reactive groups, by reacting at temperatures ≦130° C. A) one or more NCO-functional compounds containing uretdione groups with B) one or more compounds that contain isocyanate-reactive groups and groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups), and then C) with one or more saturated, hydroxyl-containing compounds other than B), at least one of these compounds having an OH functionality of ≧2, in the presence of D) a catalyst containing one or more ammonium salts or phosphonium salts of aliphatic or cycloaliphatic carboxylic acids, the reaction with compounds C) taking place at least proportionally with the formation of allophanate groups. The present invention also relates to the binders obtained by the process of the invention.

The invention relates to a viscosity reducing polycarboxylate-type water reducing agent for high-performance concrete and a preparing method thereof, and belongs to the field of cement concrete water reducing agents. The preparing method includes the following steps that polyethylene polyamine and alkyl acrylate are used for preparing a comonomer A; the comonomer A, polyoxyethylene-polyoxypropylene comonomer B, a vinyl aromatic compound C and an unsaturated carboxylic monomer are subjected to water-phase free radical polymerization reaction under the action of initiator and a chain transferring agent, and the pH value is adjusted after the reaction is completed to prepare the viscosity reducing polycarboxylate-type water reducing agent. The viscosity reducing polycarboxylate-type water reducing agent for high-performance concrete has the advantages of being high in dispersing performance, obvious in viscosity reducing effect, high in adaptability to cement and particularly suitable for preparing high-strength and ultrahigh-strength concrete and self-compaction concrete. The viscosity reducing polycarboxylate-type water reducing agent is low in requirement for production equipment and simple in process, operation is convenient, which is beneficial for industrial production, and the product is free of chloridion, and does not corrode rebars in the concrete.

A method of forming a carbon coating includes heat treating lithium transition metal composite oxide Li_0.9+aM_bM′_cN_dO_e, in an atmosphere of a gas mixture including carbon dioxide and compound C_nH_(2n+2−a)[OH]_a, wherein n is 1 to 20 and a is 0 or 1, or compound C_nH_(2n), wherein n is 2 to 6, wherein 0≦a≦1.6, 0≦b≦2, 0≦c≦2, 0≦d≦2, b, c, and d are not simultaneously equal to 0, e ranges from 1 to 4, M and M′ are different from each other and are selected from Ni, Co, Mn, Mo, Cu, Fe, Cr, Ge, Al, Mg, Zr, W, Ru, Rh, Pd, Os, Ir, Pt, Sc, Ti, V, Ga, Nb, Ag, Hf, Au, Cs, B, and Ba, and N is different from M and M′ and is selected from Ni, Co, Mn, Mo, Cu, Fe, Cr, Ge, Al, Mg, Zr, W, Ru, Rh, Pd, Os, Ir, Pt, Sc, Ti, V, Ga, Nb, Ag, Hf, Au, Cs, B, Ba, and a combination thereof, or selected from Ti, V, Si, B, F, S, and P, and at least one of the M, M′, and N comprises Ni, Co, Mn, Mo, Cu, or Fe.

A copper alloy strip material for electrical/electronic equipment includes a copper alloy containing 2.0 to 5.0 mass % Ni, 0.43 to 1.5 mass % Si, and a remaining component formed of Cu and an unavoidable impurity. Three types of intermetallic compounds A, B, and C comprising Ni and Si in a total amount of 50 mass % or more are contained. The intermetallic compound A has a compound diameter of 0.3 μm to 2 μm, the intermetallic compound B has a compound diameter of 0.05 μm to less than 0.3 μm, and the intermetallic compound C has a compound diameter of more than 0.001 μm to less than 0.05 μm.

The invention relates to the field of matrix resin used for a resin transfer molding technology, and discloses a composition for preparing transparent polyurethane, a workpiece and a forming method thereof, an automobile appearance part and a forming method. The composition comprises a component A and a component B; the component A comprises polyether glycol, polyester polyol and a micromolecule cross-linking agent; the component B is isocyanate, wherein the micromolecule cross-linking agent comprises an isocyanate active compound with tri-functionality and a compound C-A prepared from organicamines and bifunctionality epoxy resin through a reaction; the isocyanate active compound with tri-functionality is selected from one or more of trimethylolpropane, glycerin, triethanolamine and diethanolamine; in the component A, by weight, 50-90 parts of polyester glycol, 0-25 parts of polyester polyol, 0-10 parts of isocyanate active compound with tri-functionality and 10-25 parts of the compound C-A are contained; the weight ratio of the component A to the component B is 1:3-3:1. When the composition is used for RTM forming processing, curing speed is high, the forming period is short, and heat resistance is improved.

The invention discloses a halogen-free flame-retardant polyimide resin composition, comprising, by weight, bismaleimide a, composite allyl compound b, and phosphorous compound c. A preparing method of the halogen-free flame-retardant polyimide resin composition includes: heating the bismaleimide, the composite allyl compound and the phosphorous compound in a reaction flask for reaction, with the composite allyl compound being composed of first allyl compound and second allyl compound. The first allyl compound is made from one or any of diallyl bisphenol A, diallyl bisphenol S, allyl phenoxy resin, and diallyl diphenyl ether. The second allyl compound is made from one or any of diallyl bisphenol A diglycidyl ether, diallyl bisphenol S diglycidyl ether, diallyl diphenyl ether diglycidyl ether. A laminate made from the halogen-free flame-retardant polyimide resin composition has the advantages of high resistance, high toughness, low water absorption rate, and excellent dielectric property and flame retardance.

The invention provides a dye-sensitized solar cell including a transparent substrate, a transparent conductive film formed on a surface thereof, and a conductive substrate provided in a position opposed to the transparent conductive film, and further having a porous semiconductor layer, in which a dye is adsorbed, and an electrolyte between the transparent conductive film and the conductive substrate, wherein the electrolyte is a gel electrolyte containing a redox material and a solvent capable of dissolving the same in a network structure formed by crosslinking at least one kind of compound A including an isocyanate group and at least one kind of compound B including an amino group. Otherwise, the electrolyte is a gel electrolyte containing a redox material and a solvent capable of dissolving the same in a network structure formed by crosslinking at least one kind of compound A including an isocyanate group and at least one kind of compound C including a carboxyl group and/or a hydroxyl group. Otherwise, the electrolyte is a polymer solid electrolyte containing redox material in a network structure formed by crosslinking at least one kind of compound A including an isocyanate group and at least one kind of compound D reactive with the isocyanate group. The configuration of the invention facilitates an electrolyte composition of the dye-sensitized solar cell, and simplifies process steps in the manufacture.