36 results about "N-hexacosanol" patented technology

The invention discloses a hanseniaspora uvarum strain QTX22 capable of producing aroma substances at high yield and application thereof, and belongs to the technical field of microorganisms. The preservation number of the hanseniaspora uvarum strain QTX22 is CCTCCM 2021083. The yield of n-hexanol generated by fermenting grape juice by the strain is up to 461.27 [mu] g/L, and the yield of phenethyl acetate is up to 359.4 [mu] g/L.

The invention discloses a polypropylene composite material for capacitor films. The polypropylene composite material is prepared from the following components in parts by weight: 90-120 parts of polypropylene, 30-40 parts of glass fiber, 2-7 parts of pentaerythritol, 2-7 parts of para-phthalonitrile, 5-10 parts of sodium silicate, 1-3 parts of n-hexacosanol isovalerate, 0.5-1.5 parts of isoborneol acrylate, 1-3 parts of melamine, 2-6 parts of silicon carbide, 10-12 parts of butadiene resin, 3-6 parts of nitrocellulose and 2-7 parts of assistant. The polypropylene composite material for capacitor films uses the polypropylene as the main raw material, and uses the glass fiber, pentaerythritol, para-phthalonitrile, sodium silicate, n-hexacosanol isovalerate, isoborneol acrylate, melamine, silicon carbide, butadiene resin, nitrocellulose and assistant as the auxiliary materials. The polypropylene composite material for capacitor films has the characteristics of high elastic modulus, high strength, high heat-deformation temperature and favorable dimensional stability.

The invention relates to a porous Se-SiO2 nanoparticle as well as a preparation method and application thereof. The porous Se-SiO2 nanoparticle consists of elementary Se, SiO2 covering the elementary Se and polyvinylpyrrolidone covering the surface of the SiO2; the preparation method comprises the following steps: firstly preparing a Cu2-xSe normal hexane dispersion liquid, and then adding de-ionized water, n-hexanol, polyethylene glycol octylphenol ether, n-hexane, tetraethyl orthosilicate and ammonia water to the Cu2-xSe normal hexane dispersion liquid; dispersing a reaction product in the de-ionized water so as to obtain a nano Se-SiO2 dispersion liquid, then adding polyvinylpyrrolidone to the nano Se-SiO2 dispersion liquid and conducting hydrothermal treatment for a certain duration so as to obtain the porous Se-SiO2 nanoparticle; and the prepared porous Se-SiO2 nanoparticle can be applied to the loading, transfer or slow release of anti-cancer drugs. Compared with the prior art, the porous Se-SiO2 nanoparticle disclosed by the invention has the advantages of good biocompatibility, good nano Se release performance, high anti-cancer drug loading rate and the like.

A synthesis method of a MoS2 nano-structure material is carried out with MoO2 as a precursor and L-cysteine as a sulfurizing agent under a hydrothermal condition. The synthesis method includes the steps of: (1) dissolving 5 parts by mass of MoO2 in 2 parts by mass of n-hexanol; (2) adding 1-5 parts by mass of L-cysteine to the solution prepared in the step (1), wherein the solution contains 8 parts by mass of the MoO2 and all the mass part values are integers; (3) uniformly stirring the solution in the step (2); (4) pouring the solution in the step (3) into a stainless steel hydrothermal reaction kettle to perform a reaction; (5) centrifuging a reaction product in the step (4) for 20-30 min; (6) performing ethanol ultrasonic cleaning to the centrifuged reaction product in the step (5); and (7) drying the cleaned product in the step (6).

The invention discloses monodisperse water soluble ferroferric oxide nano particles; the water soluble ferroferric oxide nano particles with small size and good dispersion are prepared by use of a fractional precipitation method and combination of n-hexanol as a co precipitation solvent in the condition of relatively fast stirring speed. The preparation process has the advantages of being simple, mild in preparation conditions, controllable in preparation technology, good in repeatability, and capable of technologized production; the obtained ferroferric oxide nano particles are ultra small in size and uniform in morphology, and have good magnetic properties; the used n-hexanol can be recycled, and the cost can be saved.

The invention discloses a method for synthesizing n-hexyl chloroformate by a phosgene method. The method comprises the following steps: step 1, putting Ag n-hexyl ester into a reaction device at the bottom; step 2, after the temperature of the materials in the reaction device is reduced to the set temperature, introducing phosgene through a flow meter, wherein the cumulative introduction amount ofphosgene is Bg; and performing controlling; step 3, when the phosgene flow is accumulated to Bg, stopping introducing light, heating the material in the reaction device to 28 +/-2 DEG C, and keepingthe temperature for 2 hours; and step 4, after the heat preservation is finished, controlling the temperature to be 15 +/-2 DEG C, and introducing nitrogen to remove excessive phosgene and hydrogen chloride, thereby obtaining the n-hexyl chloroformate product. According to the invention, side reaction generation is inhibited through earlier-stage cooling, the side reaction is effectively inhibitedby a method of heating after the n-hexyl alcohol is gradually consumed and the concentration is reduced, the n-hexyl alcohol is more completely reacted in a later heating manner, the barrel expansionphenomenon caused by the side reaction in a later storage process is greatly reduced and the yield of the n-hexyl chloroformate prepared by the method reaches 97% or above.

The invention provides lactobacillus casei DY13 as well as a product and application thereof, and relates to the technical field of biology. The lactobacillus casei DY13 provided by the invention has the advantages that the antibacterial spectrum is wide, the antibacterial activity is high, and the lactobacillus casei DY13 has good antibacterial activity on escherichia coli, salmonella and staphylococcus aureus; the yield of organic acid is high, growth of pathogenic microorganisms can be effectively inhibited, the immunity of livestock can be improved when the bacillus subtilis is applied to preparation of feed, and a good intestinal microorganism system is established; and the fermentation product comprises a plurality of flavor substances, such as n-hexyl alcohol, 1-octylene-3-ol, maltol, ethyl caprylate and the like, so that the palatability of the fermentation product can be remarkably improved, and the nutritional value can be improved.

The invention belongs to the technical field of growth promotion of traditional Chinese medicine astragalus mongholicus, and provides application of n-hexanol in induction of growth of adventitious roots of astragalus mongholicus and synthesis and accumulation of multiple active ingredients of astragalus mongholicus. The current problems of green and sustainable development of astragalus mongholicus resources are solved. The application comprises the steps that after being filtered and sterilized by a 100 mmol/L n-hexanol aqueous solution through a sterile filter membrane, the n-hexanol aqueous solution is stored at 4 DEG C to obtain an n-hexanol inducible factor; and an n-hexanol induction factor is added into an astragalus root adventitious root liquid culture medium according to the addition amount of 0.05% by volume, an astragalus root culture is inoculated according to the inoculum size of 10% by mass volume, and culturing is carried out in a shaking table at 25 DEG C and 100 rpm for 1-2 weeks. The n-hexanol has the effect of promoting the synthesis of the calycosin-7-glucoside synthesis precursor. The dual promotion effects of adventitious root yield and active ingredient synthesis accumulation are comprehensively considered, the elicitor n-hexanol is expected to be developed into a green additive and is applied to an astragalus mongolicus adventitious root tissue culture system, and the yield of a root culture and the content of active substances are improved.

The invention discloses environment-friendly wall paint. The wall paint disclosed by the invention comprises the following raw materials in parts by mass: 1-3 parts of 3-dyhydroxy-4-methoxyacetophenone, 2-4 parts of carnosol, 2-3 parts of alkannic acid monomethyl ester, 2-5 parts of 24- trihydroxy pomolic-12-alkene-28-carboxylic acid, 1-4 parts of bornyl acetate, 1-3 parts of hexadecanoic acid, 2-4 parts of 2-hydroxy-6-amino purine riboside, 2-5 parts of azetidine-2-carboxylic acid and 2-3 parts of 9-aristolene-2-ketone and 1-4 parts of n-hexacosanol. The environment-friendly wall paint disclosed by the invention is rich and colorful in colors, bright in color, easy to use, low in price, easy to store, strong in severe environment resistance and long in service life; and the environment-friendly wall paint causes no pollution to the environment.

The invention relates to a synthesis process for a surfactant, namely hexylglucoside. According to the invention, with glucose as a raw material, hexylglucoside is synthesized through a beta-glucosidase catalysis method. In the synthesis process disclosed by the invention, the feeding ratio of the glucose to n-hexanol to a phosphate buffer solution is 0.1 g: 1.8 mL: 0.8 mL; and the feeding ratio of the glucose to a beta-glucosidase stock solution is 0.1 g: 80 [mu]L. According to the invention, beta-glucosidase is used as a catalyst, and the hexylglucoside is synthesized in one step. The synthesis process provided by the invention has the advantages of easily available raw materials, simple process, no pollution, few byproducts, good hexylglucoside product performance, and industrial production application prospect.

The invention discloses a coconut oil additive, a preparation method and application thereof. The coconut oil additive is prepared from the following raw materials: 25 to 35 parts of coconut oil, 45 to 50 parts of n-hexanol, 5 to 15 parts of tween-80, 1 to 5 parts of SP-80 and 1 to 15 parts of a co-emulsifier. The preparation method comprises the following steps: compounding tween-80 and SP-80 inn-hexanol to obtain a water phase, adding a co-emulsifier into the obtained water phase, stirring and mixing, adding coconut oil, stirring in warm water to fully mix, and cooling to obtain the coconutoil assistant. The plant number control effect and the fresh weight control effect of 75 mL of 4% nicosulfuron and the coconut oil additive accounting for 0.5% of water consumption on weeds in a cornfield are 91.28% and 99.54% respectively.

The invention discloses a production process of n-hexylamine. The production process comprises the following raw materials in parts by weight: 10 to 50 parts of methyl n-hexyl ketoxime, 5 to 30 parts of diethyl ether, 15 to 35 parts of phosphorus pentachloride, 2 to 10 parts of a catalyst, 12 to 28 parts of n-hexyl alcohol, 5 to 20 parts of ammonia gas, 5 to 15 parts of hydrogen, 10 to 40 parts of caprolactam, 8 to 24 parts of sodium carbonate and 5 to 12 parts of organic solvent. The production process comprises the following steps: S1, putting methyl n-hexyl ketoxime into a first reactor, then adding diethyl ether, reacting for a period of time, then adding water, uniformly stirring, and after stirring for a period of time, adding phosphorus pentachloride to finally obtain N-acyl n-hexylamine. According to the production process of the n-hexylamine, the reaction conditions are mild, the problems existing in the production process are solved, the production route of the process is simple and optimized, the operation is simple, the production conversion rate is high, and a product with good selectivity can be finally obtained, so that the economic benefit can be greatly improved.

The invention relates to a treatment method of a mixed solution containing ethanol, piperazine, n-hexanol and water, which comprises the following steps: rectifying and separating the mixed solution in a first rectifying tower to obtain a first material containing ethanol and water at the tower top and a second material containing piperazine and n-hexanol at the tower bottom, extracting the second material, and carrying out vacuum rectification in a second rectifying tower to obtain a piperazine product at the tower top and an n-hexanol product at the tower kettle. According to the treatment process disclosed by the invention, ethanol, piperazine, n-hexanol and water can be respectively extracted and recovered from a mixed solution of ethanol, piperazine, n-hexanol and water, and the obtained product is high in purity and can be used for treating wastewater containing the substances in the pharmaceutical industry.