42 results about "1-Hexanol" patented technology

An exemplary printable composition comprises a liquid or gel suspension of a plurality of metallic nanofibers or nanowires; a first solvent; and a viscosity modifier, resin, or binder. In various embodiments, an exemplary metallic nanowire ink which can be printed to produce a substantially transparent conductor comprises a plurality of metallic nanowires at least partially coated with a first polymer comprising polyvinyl pyrrolidone having a molecular weight less than about 50,000; one or more solvents such as 1-butanol, ethanol, 1-pentanol, n-methylpyrrolidone, cyclohexanone, cyclopentanone, 1-hexanol, acetic acid, cyclohexanol, and mixtures thereof; and a second polymer or polymeric precursor such as polyvinyl pyrrolidone or a polyimide, having a molecular weight greater than about 500,000.

A synthetic method of a general artificial antigen of phthalate plasticizers for immunodetection belongs to the field of bio-chemical engineering technology. The synthetic method of the present invention comprises the following steps of carrying out an esterification reaction between phthalic acid and 6-(fluorenyl methoxy carbonyl acyl-amino)-1-hexanol, removing fluorene methoxy carbonyl acyl protecting groups to form a hapten, and coupling with amino from carrier protein to obtain the general artificial antigen of phthalate plasticizers. Experimental results disclose that titer of antiserum obtained by immunizing animals by the antigen of the invention is up to 160000;the 50% inhibiting concentration IC50 for DBP, DEHP and DINP is less than 500 ng / ml; and the generated antibodies have good generality and high sensitivity. The antigen or antibodies of the invention can be used for the establishment of enzyme-linked immunosorbent assay and colloidal gold test paper rapid detection methods, thus can be used for rapid detection of residues of phthalic acid ester plasticizers in food, and have broad application prospects.

The invention belongs to the field of functional polymer materials and in particular relates to a method for preparing a multi-responsive block copolymer containing azopyridine. The preparation method is characterized by synthesizing azopyridine with photo-responsivity through a diazo coupling reaction and then reacting azopyridine with 6-chloro-1-hexanol and methacryloyl chloride in sequence to prepare a methacrylate monomer containing an azopyridine group; then synthesizing a methacrylic acid-N,N-(dimethylamino)ethyl monomer into a macroinitiator through atom transfer radial polymerization (ATRP) under the protection of an inert gas nitrogen or argon, wherein the block has temperature sensitivity and temperature responsivity; and finally synthesizing the macroinitiator with an azopyridine monomer to prepare the multi-responsive block copolymer containing azopyridine through ATRP. The method has the following advantages that the block copolymer simultaneously has photo-responsivity, pH sensitivity and temperature sensitivity and can be self-assembled into various aggregation morphologies such as stable nano micelle and vesicles in water, so the block copolymer is widely applied in the fields such as drug controlled release carriers, smart photo switches, photo sensors and nano devices; the synthesis method is simple and practical; the raw materials can be industrially produced; and the method has good popularization and application values.

The foliage and stems of plant species from the family Rosaceae, genus Prunus, yield natural pesticides when macerated. Hydrodistillation of macerated plant biomass yields a concentrated solution of organic volatile compounds that act synergistically as a natural pesticide. Volatile compounds liberated from Prunus biomass include 2-propanol, hexanal, trans-2-hexenal, 1-hexanol, cis-3-hexenol, mandelonitrile, benzoic acid, benzaldehyde, benzyl alcohol, hydrocyanic acid and others. These compounds may be removed from the distillate and reformulated to form a standard concentrated solution, with benzaldehyde, mandelonitrile and hydrogen cyanide being the major components. The extracts may be used as a soil treatment or soil fumigant for soil-borne pests. They also may be formulated for application as solutions with or without a surfactant or formulated as powders for foliar treatment. In a particular application, such extracts may be applied to postharvest commodities such as fruits, vegetables, roots, grains and nuts to protect against certain fungi and insects.

An exemplary printable composition comprises a liquid or gel suspension of a plurality of metallic nanofibers or nanowires; a first solvent; and a viscosity modifier, resin, or binder. In various embodiments, the metallic nanofibers are between about 10 microns to about 100 microns in length, are between about 10 nm to about 120 nm in diameter, and are typically functionalized with a coating or partial coating of polyvinyl pyrrolidone or a similar compound. An exemplary metallic nanofiber ink which can be printed to produce a substantially transparent conductor comprises a plurality of metallic nanofibers; one or more solvents such as 1-butanol, ethanol, 1-pentanol, n-methylpyrrolidone, cyclohexanone, cyclopentanone, 1-hexanol, acetic acid, cyclohexanol, or mixtures thereof; and a viscosity modifier, resin, or binder such as polyvinyl pyrrolidone or a polyimide, for example.

The present invention is directed to a Fischer-Tropsch derived distillate suitable for use as a turbine fuel having a flash point 38° C. minimum measured by ASTM D 56 and a freeze point of −40° C. or less and further containing not less than 0.01 wt. % oxygen in each of 1-pentanol, 1-hexanol, and 1-heptanol and not more than about 0.01 wt. % oxygen in C8+ linear alcohols. Preferably, the Fischer-Tropsch derived distillate will have a freeze point of at least −47° C., and more preferably the freeze point of the Fischer-Tropsch derived distillate will be not less than −50° C. All the wt. % oxygen amounts are on a water free basis.

The present invention is directed to a Fischer-Tropsch derived distillate suitable for use as a distillate fuel having a flash point 38° C. minimum measured by ASTM D 93 and a cloud point of +14° C. or less and further containing not less than 0.01 wt,% oxygen in each of 1-pentanol, 1-hexanol, 1-heptanol, 1-octanol, 1-nonanol, 1-decanol and not more than 0.01 wt.% oxygen in C11+ linear alcohols. Preferably, the Fischer-Tropsch derived distillate will have a cloud point at or below 0° C., and more preferably the cloud point of the Fischer-Tropsch derived distillate, will be at or below −15° C.

Disclosed is a lubricating oil for a fluid bearing, which has a low viscosity, a reduced amount of evaporation, and superior low-temperature flowability. The lubricating oil includes, as a base oil, a high-purity diester synthesized from a carboxylic acid material containing 90 mass % or more of azelaic acid and an alcohol material containing 90 mass % or more of 2-ethyl-1-hexanol. The carboxylic acid material contains glutaric acid, adipic acid, pimelic acid, suberic acid, sebacic acid and 1,9-nanomethylenedicarboxylic acid in a total amount of 5 mass % or less.

The foliage and stems of plant species from the family Rosaceae, genus Prunus, yield natural pesticides when macerated. Hydrodistillation of macerated plant biomass yields a concentrated solution of organic volatile compounds that act synergistically as a natural pesticide. Volatile compounds liberated from Prunus biomass include 2-propanol, hexanal, trans-2-hexenal, 1-hexanol, cis-3-hexenol, mandelonitrile, benzoic acid, benzaldehyde, benzyl alcohol, hydrocyanic acid and others. These compounds may be removed from the distillate and reformulated to form a standard concentrated solution, with benzaldehyde, mandelonitrile and hydrogen cyanide being the major components. The extracts may be used as a soil treatment or soil fumigant for soil-borne pests. They also may be formulated for application as solutions with or without a surfactant or formulated as powders for foliar treatment. In a particular application, such extracts may be applied to postharvest commodities such as fruits, vegetables, roots, grains and nuts to protect against certain fungi and insects.

The invention relates to a preparation method for 4-methyl caprylic acid. The method comprises the following steps: allyl alcohol is taken as the raw material and the key intermediate 2-methyl-1-hexanol and the derivative are synthesized; diethyl malonate loses a proton under the effect of alkali and undergoes the nucleophilic substitution reaction with a series of 2-methyl-1-hexanol derivatives, thus obtaining the product 2-(2-methyl hexyl) diethyl malonate and then 4-methyl caprylic acid through saponification, decarboxylation, saponification and acidification. Compared with the prior art, the method has the advantages of available materials, small amount of catalyzer, high yield and low production cost, thus having higher industrialization value.

The invention relates to a graphene / azobenzene polymer composite anti-corrosive paint additive and a preparation method thereof. The method comprises the following steps: firstly, synthesizing a polymerizable monomer (AZO-OH) containing azobenzene, performing a chain extension reaction (AZO-Cl-OH) by using 6-chloro-1-hexanol, finally introducing a double bond by using methacryloyl chloride, to obtain an azobenzene monomer (AZO-MAC) containing the double bond; and enabling the AZO-MAC to perform free radical polymerization with glycidyl methacrylate (GMA), to obtain a random polymer (AZO-GMA);finally, because graphene is a large Pi-conjugated planar structure, and an azobenzene group is introduced into the polymer, the polymer also has the large conjugated structure, under the strong Pi-Piinteraction, the polymer can be adsorbed on a large plane of the graphene, to obtain a composite anti-corrosive paint additive AZO-GMA-GNS modified by a non-covalent bond.

Provided are a method of preparing a zinc silicate-based phosphor and a zinc silicate-based phosphor prepared using the method. The method includes: (a) preparing a solution including a Zn precursor compound and a Si precursor compound; (b) adding a coprecipitant to the solution to form precipitation; and (c) heat treating the solution in which the precipitation is formed to synthesize zinc silicate (Zn2SiO4), wherein a solvent of the solution including the Zn precursor compound and the Si precursor compound includes at least one selected from the group consisting of ethanol, methanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, 1-pentanol, 2-pentanol, 3-pentanol, 1-hexanol, and 1-heptanol, and hydrazine is used as the coprecipitant.

The invention relates to the field of biological attractant, and discloses a carpomya vesuviana attractant and applications thereof. The carpomya vesuviana attractant comprises nonanal, dipropylene glycol, and 2-ethyl-1-hexanol, and the preferable mass ratio is 1-3:1-3:1-3. The invention also provides a carpomya vesuviana attracting device prepared from the attractant. The device can be used to attract males of carpomya vesuviana in forests and monitor and control populations of carpomya vesuviana, and has an important effect and meaning for forecasting and killing carpomya vesuviana.

A chip module assembly includes a CO2 getter exposed through a gas-permeable membrane to a chip cavity of a chip module. One or more chips is / are enclosed within the cavity. The CO2 getter comprises a liquid composition including 1,8-diaza-bicyclo-[5,4,0]-undec-7-ene (DBU) in a solvent that includes an alcohol, preferably, 1-hexanol. In one embodiment, a sheet of gas-permeable membrane is heat-welded to form a pillow-shaped bag in which the liquid composition is sealed. The pillow-shaped bag containing the liquid composition is preferably disposed in a recess of a heat sink and exposed to the cavity through a passage between the recess and the cavity. The CO2 getter can remove a relatively large amount of carbon dioxide from the cavity, and thus effectively prevents solder joint corrosion. For example, based on the formula weights and densities of the DBU and 1-hexanol, 200 g of the liquid composition can remove over 34 g of carbon dioxide.

The invention discloses an environment-friendly regenerated rubber softener. The environment-friendly regenerated rubber softener comprises, by weight, 10-12 parts of eugenol, 8-10 parts of limonene, 6-8 parts of carvene, 8-9 parts of ethyl acetate, 5-8 parts of methyl anthranilate, 8-10 parts of prenyl alcohol, 10-12 parts of n-dodecanol, 6-8 parts of dihydromyrcenol, 5-6 parts of terpilenol, 5-8 parts of phenyl-1-hexanol, 6-10 parts of ethyl oleate, 8-10 parts of dioctyl sebacate, 5-6 parts of glycerin monostearate, 6-8 parts of isopropanol, 6-10 parts of acetone and 6-8 parts of n-butyl alcohol. The environment-friendly regenerated rubber softener has the advantages that the regenerated rubber production environment is optimized, quality of regenerated rubber products is improved and physical performance is more excellent. In addition, the regenerated rubber is lower in Mooney viscosity and green and environment friendly and has promising market and industrial prospects.

The invention discloses an amphoteric monomer and an amphoteric polycarboxylic acid water reducer synthesized by the same. A preparation method of the amphoteric monomer includes the following steps:mixing 6-dimethylamino-1-hexanol with an organic solvent, dropping methacrylic chloride, washing an oil layer with deionized water, and removing the organic solvent to obtain a 6-dimethylaminohexyl methacrylate intermediate; mixing the 6-dimethylaminohexyl methacrylate intermediate with a polymerization inhibitor and the organic solvent, dropping a propane sultone drop concentrate, and performinga reaction for 16-28 hours; and extracting, washing and vacuum-drying an obtained crude product to obtain the amphoteric monomer. The amphoteric polycarboxylic acid water reducer is prepared by the prepared amphoteric monomer, an unsaturated carboxylic acid monomer and an unsaturated polyether macromonomer by an aqueous solution free radical polymerization method, which eliminates the corrosion ofchloride ions to reinforced concrete and has better dispersibility to cement at low dosage compared with a common anionic polycarboxylic acid water reducer.

The present invention provides a method for concentrating an aqueous solution containing at least 3-hydroxy-2,2-dimethyl propanal and / or a dimer thereof, which includes subjecting a mixed solution of an aqueous solution containing at least 3-hydroxy-2,2-dimethyl propanal and / or a dimer thereof and an azeotropic agent to azeotropic distillation in a distillation column to distil off water and the azeotropic agent from the mixed solution, wherein the mixed solution is prepared by adding, as the azeotropic agent, at least one selected from the group consisting of 1-butanol, 2-butanol, 2-methyl-1-propanol, 1-pentanol and 1-hexanol to the aqueous solution.

The invention discloses a synthetic method 6-amino-1-hexanol. According to the synthetic method 6-amino-1-hexanol, chlorosulphonyl isocyanate and 1, 6-hexanediol are taken as main raw materials, one-pot method is adopted to synthesize 6-amino-1-hexanol. The synthesis route comprises following steps: 1, under the catalyst effect of a tertiary amine, chlorosulphonyl isocyanate and a primary alcoholare reacted to generate a Burgess reagent, 1, 6-hexanediol is added to generate an intermediate 6-hydroxyhexyl carbamic acid; and 2, the intermediate 6-hydroxyhexyl carbamic acid synthesized in step is subjected to projecting group removing directly without separation so as to obtain target product 6-amino-1-hexanol. The synthetic method is low in cost, simple in reaction conditions, few in reaction steps, short in time, and high in purity and yield of finished product 6-amino-1-hexanol.

The invention discloses a preparation method of 6-amino-1-hexanol by taking calcium carbonate as a catalyst. Calcium carbonate serves as the catalyst of a reaction, 1,6-hexanediol, ammonia and hydrogen are mixed and react for 1.5-2 h in a heated and pressurized mode on the condition that the temperature ranges from 270 DEG C to 290 DEG C, and the pressure ranges from 150 Mpa to 180 Mpa, and 6-amino-1-hexanol is generated. According to the preparation method, calcium carbonate serves as the catalyst, the raw materials are easy to obtain, the cost is low, the catalytic efficiency is high, and the catalytic effect is stable; the finished product 6-amino-1-hexanol is high in purity and high in yield, the high economic benefit is achieved, and the preparation method can be widely applied and promoted.

The invention discloses a three-spotted plusia sex attractant composite and application thereof, and belongs to the technical field of insect sex pheromone preparation. The sex attractant composite comprises three-spotted plusia sex pheromone and synergists. Wherein the components of the sex pheromone are cis-7-dodecene acetate, cis-11-hexadecane acetate and cis-11-hexadecane aldehyde; the synergists are mainly one or more of plant volatile 2-ethyl-1-hexanol, ar-turmerone and pentanal; mass ratio of the sex pheromone to the synergists is 1:0.3-1.2. The composite has the advantages of simple preparation and convenient use, the composite can be accurately used for the insect pest monitoring, massive trapping and mating interference of the three-spotted plusia, and the composite has significant meaning on comprehensively treating the three-spotted plusia.

The invention discloses a preparation method for 6-amino-1-hexanol. The preparation method specifically comprises the following steps: mixing nickel powder and absolute ethyl alcohol, and grinding until a solvent is completely evaporated, dispersing in deionized water, adding sodium ethylene diamine tetracetate, uniformly stirring and dispersing, and preparing dispersion liquid; enabling cerous nitrate to be dissolved in the deionized water, uniformly stirring and mixing to prepare cerous nitrate solution, and dropwise adding the cerous nitrate solution and sodium hydroxide solution to the dispersion liquid simultaneously, stirring and reacting, filtering after ending a reaction, and drying a precipitate, to obtain a catalyst precursor; enabling the catalyst precursor to be placed in a muffle furnace and treating for 1-2 h in 800-950 DEG C, after ending treatment, cooling to a room temperature along with the furnace, grinding, and preparing a cerium-containing nickel catalyst; and using 1,6-hexanediol as a raw material, feeding an ammonia gas and a hydrogen gas, reacting for 1-2 h under catalysis of the prepared cerium-containing nickel catalyst, and preparing the 6-amino-1-hexanol. The method is simple in operation, and a product yield reaches 93.5% or more.

The invention discloses a method for continuously preparing 4-(6-hydroxyhexyloxy)phenol in a micro-reactor. The method comprises the following steps: dissoling hydroquinone and 6-chloro-1-hexanol in the solvent ethanol; and with an alkali aqueous solution of NaOH<-> as a catalyst, carrying out a bimolecular nucleophilic substitution reaction in the micro-reactor so as to continuously prepare 4-(6-hydroxyhexyloxy)phenol. Compared with the prior art, the method provided by the invention has the following advantages that the synthesis time of 4-(6-hydroxyhexyloxy)phenol is reduced to 10 min or less from original 20 hours; yield is increased from original 40% to 80%;continuous operation during the reaction can be realized; and integration and enlargement can be easily realized.

An exemplary printable composition comprises a liquid or gel suspension of a plurality of metallic nanofibers or nanowires; a first solvent; and a viscosity modifier, resin, or binder. In various embodiments, the metallic nanofibers are between about 10 microns to about 100 microns in length, are between about 10 nm to about 120 nm in diameter, and are typically functionalized with a coating or partial coating of polyvinyl pyrrolidone or a similar compound. An exemplary metallic nanofiber ink which can be printed to produce a substantially transparent conductor comprises a plurality of metallic nanofibers; one or more solvents such as 1-butanol, ethanol, 1-pentanol, n-methylpyrrolidone, cyclohexanone, cyclopentanone, 1-hexanol, acetic acid, cyclohexanol, or mixtures thereof; and a viscosity modifier, resin, or binder such as polyvinyl pyrrolidone or a polyimide, for example.

The invention belongs to the technical field of insect pheromone synthesis, and discloses a novel method for synthesizing (E)-7-dodecen-1-ol acetate. The method comprises the following steps: reactinga starting raw material 6-bromo-1-hexanol with 2,3-dihydropyran to obtain 1-tetrahydropyranyloxy-6-bromohexane, and carrying out a coupling reaction on the 1-tetrahydropyranyloxy-6-bromohexane and 1-hexyne in the presence of n-butyllithium to generate 1-tetrahydropyranyloxy-7-dodecyne; reducing the 1-tetrahydropyranyloxy-7-dodecyne by lithium aluminum hydroxide in diethylene glycol dimethyl etherto obtain (E)-tetrahydropyranyloxy-7-dodecene; and removing tetrahydropyran protecting groups by using p-toluenesulfonic acid to synthesize (E)-7-dodecen-1-ol acetate, and finally reacting the (E)-7-dodecen-1-ol acetate with acetyl chloride to obtain the target product (E)-7-dodecen-1-ol acetate. The method has the advantages of simple synthesis route, mild reaction conditions, and realization ofthe total yield reaching 49%.

The foliage and stems of plant species from the family Rosacea, genus Prunus, yield natural pesticides when macerated. Hydrodistillation of macerated plant biomass yields a concentrated solution of organic volatile compounds that act synergistically as a natural pesticide, and as provided herein, also act synergistically as antimicrobial compounds. Volatile compounds liberated from Prunus biomass include 2-propanol, hexanal, trans-2-hexenal, 1-hexanol, cis-3-hexenol, mandelonitrile, benzoic acid, benzaldehyde, benzyl alcohol, hydrocyanic acid and others. These compounds may be removed from the distillate and reformulated to form a standard concentrated solution, with benzaldehyde, mandelonitrile and hydrogen cyanide being the major components. Provided herein are methods of using these pesticides as a broad-spectrum bactericide. Components of the extract may act alone or synergistically to control both gram positive and gram negative genera of bacteria.

The invention relates to the field of biological attractant, and discloses a carpomya vesuviana attractant and applications thereof. The carpomya vesuviana attractant comprises nonanal, dipropylene glycol, and 2-ethyl-1-hexanol, and the preferable mass ratio is 1-3:1-3:1-3. The invention also provides a carpomya vesuviana attracting device prepared from the attractant. The device can be used to attract males of carpomya vesuviana in forests and monitor and control populations of carpomya vesuviana, and has an important effect and meaning for forecasting and killing carpomya vesuviana.

The invention belongs to the field of buildings and particularly relates to a circular arch bridge. The circular arch bridge comprises arching profiles, connecting pieces and a ship bracket, wherein the arching profiles and the connecting pieces are divided by section according to actual circular arch bridge needs. The arching profiles are manufactured from carbon steel, engineering plastics, lauryl methacrylate, ammonium lauryl sulfate, tetradecylthioacetic acid, 2-acetamido ethyl alcohol, 2-allyl methacrylate and the like through rolling, extrusion and casting processes. The ship bracket is prepared from low alloy corrosion resistant steel, 2-ethyl-1-hexanol, isobutyl acrylate, 3-(N,N-dimethyl dodecyl ammonium) propane sulfonate and the like. The circular arch bridge breaks through the ultimate strength of existing bridges, is high in strength and tolerance and long in service life, meets current social development needs and accords with sustainable development national conditions of China. The bridge is easy and convenient to construct, manpower and material resources are greatly saved, bridge building cost is reduced, and rapid construction of the infrastructure can be conveniently promoted.

The invention provides a 3MH (3-mercapto-1-hexanol)-EGCG (epigallocatechin gallate) nanoparticle solution system capable of improving the EGCG stability and bioavailability, and a preparation method of the solution system. The 3MH-EGCG nanoparticle solution system contains 3MH-EGCG-beta-LG nanoparticles formed by EGCG, 3MH and beta-lactoglobulin; the solution is a buffer solution with the pH being 6.5 to 7.0; the concentration of the EGCG is 0.5 to 1g / L; the concentration of the 3MH is 0.025 to 0.1g / L; the concentration of the beta-lactoglobulin is 1g / L. 3MH is added into a nanometer system formed by the beta-LG and the EGCG; the characteristics that the 3MH has high reducibility, and the structure body of the 3MH is similar to the amino acid structure are utilized for protecting the EGCG from oxidative degradation, so that the action efficiency of the EGCG is improved; the antitumor activity of the EGCG in vitro and in vivo is greatly improved.

The invention relates to an o-phthaldehyde derivative phosphoramidite monomer, a synthesizing method and a method for quick coupling of DNA (deoxyribonucleic acid) and protein, and relates to quick coupling of DNA and protein. A molecular formula of the o-phthaldehyde derivative phosphoramidite monomer is C28H46N3O6P. The synthesizing method comprises the following steps of firstly, enabling o-phthaldehyde carboxylic acid derivative (OPA-COOH) and 6-amino-1-hexanol to react, so as to prepare the o-phthaldehyde hydroxyl derivative (OPA-OH); then, under the conditions of nitrogen protection, a dichloromethane solvent and N,N-diisopropylethylamine, reacting with 2-cyanoethyl-N,N-diisopropylchlorophosphoramidite for 2h at room temperature; separating by silica gel column chromatography, so as to obtain the o-phthaldehyde derivative phosphoramidite monomer. The reaction characteristic of adjacent aldehyde groups of the o-phthaldehyde derivative and the amino groups on the protein lysine residue groups quickly and efficiently generating phthalimidine is utilized, so that the purpose of quick coupling of OPA-DNA and natural protein is realized. Compared with other coupling methods, the method has the advantages that the selectivity is realized, the operation is quick, and the efficiency is high.