42 results about "1-Hexanol" patented technology

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.

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 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 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 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.

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 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.