Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

81 results about "Hexadecane" patented technology

Hexadecane (also called cetane) is an alkane hydrocarbon with the chemical formula C₁₆H₃₄. Hexadecane consists of a chain of 16 carbon atoms, with three hydrogen atoms bonded to the two end carbon atoms, and two hydrogens bonded to each of the 14 other carbon atoms.

Preparation method and application of catalyst for preparing olefin through hydrogenation of carbon dioxide

The invention relates to the technical field of catalysts, and discloses a preparation method and application of a catalyst for preparing olefin through carbon dioxide hydrogenation. The preparation method comprises the following steps: fully dipping graphite in a mixed solution of dodecane and hexadecane, and taking out to obtain a catalyst carrier; and loading the Fe element and the Mg element into the catalyst carrier by adopting a method of co-precipitating and then roasting to obtain the catalyst for preparing olefin by hydrogenation of carbon dioxide. The catalyst prepared by the preparation method has high stability when being used in a reaction for preparing olefin through hydrogenation of carbon dioxide, can maintain high catalytic activity after long-term use, and has high olefin selectivity at the same time.
Owner:YILI XINTIAN COAL CHEM CO LTD +1

Compositions for separating plasma and methods of use thereof

The invention relates to the field of plasma separation and detection, in particular to a composition for separating plasma and a using method thereof. The composition comprises: a phase change component, which is selected from n-alkanes, which are selected from at least one of n-tetradecane, n-pentadecane, n-hexadecane, n-heptadecane, n-octadecane, n-nonadecane, n-eicosane, n-heneicosane or n-docosane; a liquid phase carrier component, wherein the liquid phase carrier component is selected from silicone oil; the structural framework and rheology regulation and control component comprises fumed silica, and the structural framework and rheology regulation and control component comprises fumed silica; the dispersion and stabilization auxiliary agent component is selected from at least one of TiO2 and BaSO4, the density adjusting filler component is selected from at least one of TiO2 and BaSO4, and the dispersion and stabilization auxiliary agent component comprises a silane coupling agent. According to the device, plasma and blood cells can be reliably, rapidly and effectively separated only through one-time low-temperature centrifugation, and remixing caused by transportation jolting can be avoided.
Owner:SHANGHAI WEIHE MEDICAL LAB CO LTD

Core-shell structure P (MMA-MBA) copolymer heat storage phase change microcapsule as well as preparation method and application thereof

The invention discloses a core-shell structure P (MMA-MBA) copolymer heat-storage phase-change microcapsule, the microstructure is of a spherical structure, the core-shell structure is adopted, the core structure is hexadecane, the shell structure is a methyl methacrylate (MMA) and N, N-methylene bisacrylamide (MBA) copolymer, the emulsifier is lauryl sodium sulfate (SDS), the initiator is potassium persulfate, and the pH value of the core-shell structure P (MMA-MBA) copolymer heat-storage phase-change microcapsule is 7-8. And the coating efficiency is 70-75%. The preparation method comprises the following steps: 1, preparing an oil phase and a water phase; and 2, polymerization reaction of the microcapsule. A phase change cement material based on a core-shell structure P (MMA-MBA) copolymer heat storage phase change microcapsule is prepared by compounding the P (MMA-MBA) copolymer heat storage phase change microcapsule and a cement matrix, and has hydrophobicity; obvious weightlessness exists in two times.
Owner:GUILIN UNIV OF ELECTRONIC TECH +1

Aqueous zinc ion battery electrolyte, preparation method thereof and aqueous zinc ion battery

The application belongs to the technical field of zinc ion batteries, and provides a water-based zinc ion battery electrolyte, a preparation method thereof and a water-based zinc ion battery. The application provides a water-based zinc ion battery electrolyte comprising the following components: a water-soluble zinc salt 1-2.5 mol / L, an additive 1-6 g / L and water; the additive is 4,7,13,16,21,24-hexaoxa-1,10-diazabicyclo[8,8,8]hexacosane, and the pH value of the water-based zinc ion battery electrolyte is less than or equal to 1. The additive of the application is preferentially adsorbed on the surface of the zinc negative electrode instead of water molecules, and generates a thin and dense solid-state protective layer in situ, which has good ion conductivity and is electron-insulating. The solid-state protective layer is like a raincoat for the zinc negative electrode, which prevents water molecules from reacting with the zinc negative electrode, and at the same time, the tertiary amine ions formed by the ionization of the bridging crown ether shield the corrosion of hydrogen ions on the zinc negative electrode under strong acid conditions.
Owner:GUIZHOU EDUCATION UNIV +1

Optical laminate

To provide an optical laminate having a surface protective film temporarily bonded onto an optical film, the optical laminate capable of preventing air bubbles from generating at an end part of the surface protective film after an autoclave treatment.SOLUTION: An optical laminate includes: an optical film having a polarizing plate including a polarizer and an antiglare layer arranged on one side of the polarizing plate; and a surface protective film including a base material film and an adhesive layer, and temporarily adhered in a separable manner on the antiglare layer of the optical film, interposing the adhesive layer. The optical film has an arithmetic average roughness Ra of 0.15 μm or more on a surface at a surface protective film side, and a difference is 50° or more between a hexadecane contact angle on a surface at the surface protective film side of the optical film and a hexadecane contact angle on the adhesive layer.SELECTED DRAWING: Figure 1
Owner:NITTO DENKO CORP

Optical laminate

To provide an optical laminate having a surface protective film temporarily bonded onto an optical film, the optical laminate capable of inhibiting a lift at an end part of the surface protective film when treated with edge face processing.SOLUTION: An optical laminate includes: an optical film having a polarizing plate including a polarizer and an antiglare layer arranged on one side of the polarizing plate; and a surface protective film including a base material film and an adhesive layer, and temporarily adhered in a separable manner on the antiglare layer of the optical film, interposing the adhesive layer. The optical film has an arithmetic average roughness Ra of 0.15 μm or more on a surface at a surface protective film side, a hexadecane contact angle of 50° or more, and a water contact angle of 105° or more. A high-speed peel force between the surface protective film and the optical film is 0.08 N / 25 mm or more.SELECTED DRAWING: Figure 1
Owner:NITTO DENKO CORP

Hydrogenation method for preparing octadecane and co-producing hexadecane from stearic acid

The invention discloses a hydrogenation method for preparing octadecane and co-producing hexadecane from stearic acid. A raw material containing stearic acid and hydrogen sequentially pass through a fixed bed reactor containing a stearic acid hydrogenation catalyst A and a stearic acid hydrogenation catalyst B together for hydrogenation reaction, and reaction products are separated to finally obtain octadecane and hexadecane. The surface active site density of nickel in the hydrogenation catalyst A is large, and active metal is dispersed more uniformly; and the binding energy between the active metal of B and the carrier in the hydrogenation catalyst is moderate, so that the hydrogenation catalyst has better water resistance. The method provided by the invention improves the conversion rate of stearic acid, reduces the occurrence of side reactions, and has a longer operation period.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

A method for promoting production of gamma-polyglutamic acid by bacillus fermentation using an oxygen carrier

PendingCN122466033ABiotechnologyHexadecane
This invention relates to the field of microbial fermentation, specifically to a method for promoting the fermentation of Bacillus atrophaeus to produce γ-polyglutamic acid (PGA) using oxygen carriers. This invention involves adding specific alkane oxygen carriers during the initial stage of γ-PGA production via Bacillus atrophaeus NWS-01 fermentation. Hexane, heptane, and hexadecane were selected as effective oxygen carriers, and the optimal single-addition concentration and optimal synergistic addition ratio of each oxygen carrier were determined. This solves the problem of limited γ-PGA yield due to low oxygen transfer efficiency in traditional fermentation processes. Specifically, adding 0.3% heptane alone achieves a γ-PGA yield of 39.4 ± 0.19 g / L, while the synergistic addition of 0.240% hexane, 0.407% heptane, and 1.014% hexadecane results in a maximum yield of 42.1 g / L, representing a 150.6% increase compared to the fermentation system without added oxygen carriers. This method is simple to operate, has high oxygen utilization, low energy consumption, and produces fewer bubbles and lower liquid shear force in the fermentation system, making it suitable for the industrial-scale aerobic high-density fermentation production of γ-PGA.
Owner:XUANKAI BIOTECHNOLOGY (SHANDONG) CO LTD

Aqueous zinc ion battery electrolyte, preparation method thereof and aqueous zinc ion battery

The invention belongs to the technical field of zinc ion batteries, and provides an aqueous zinc ion battery electrolyte, a preparation method thereof and an aqueous zinc ion battery. The invention provides an aqueous zinc ion battery electrolyte. The aqueous zinc ion battery electrolyte comprises the following components: 1-2.5 mol / L of water-soluble zinc salt, 1-6g / L of an additive and water, the additive is 4, 7, 13, 21, 24-hexaoxa-1, 10-diazabicyclo [8, 8, 8] hexacodecane, and the pH value of the aqueous zinc ion battery electrolyte is less than or equal to 1. The additive is adsorbed on the surface of the zinc negative electrode prior to water molecules, and a thin and compact solid protective layer with good ionic conductivity and electronic insulation is generated in situ. The solid protective layer looks like a'raincoat 'for the zinc negative electrode to prevent the action of water molecules and the zinc negative electrode, and at the same time, the corrosion of hydrogen ions to the zinc negative electrode under strong acid conditions is shielded by tertiary amine ions formed by ionization of tertiary amine in the bridge crown ether.
Owner:GUIZHOU EDUCATION UNIV +1

Modified screening type carbon negative electrode material as well as preparation method and application thereof

The invention relates to the technical field of sodium ion battery preparation, in particular to a modified screening type carbon negative electrode material and a preparation method and application thereof.The modified carbon material is obtained by coating the surface of porous carbon powder with a modified material, and coating of the modified material is double-layer coating of a coating material and a phase change material; the phase change material is at least one of paraffin, n-hexadecane, n-octadecane, fatty acid, stearic acid, palmitic acid high-density polyethylene, polyethylene glycol, alcohols and lipids; the coating material is heated and carbonized to coat the surfaces of the porous carbon particles to form a compact carbon layer, and then the phase change material is used for secondary coating, so that the pore size of the surface of the porous carbon is adjusted, the specific surface area of the porous carbon is reduced, meanwhile, the coherence of internal pore channels of the porous carbon can be reserved, and a solid-phase diffusion channel of sodium ions cannot be damaged; and rapid diffusion and storage of sodium ions in pore channels are facilitated.
Owner:NAKUN CARBON SOURCE (TIANJIN) TECHNOLOGY CO LTD +1

Cellulose nanocrystal modified polylactic acid composite thin film material capable of being subjected to melt blending and nanometer dispersion and preparation method of cellulose nanocrystal modified polylactic acid composite thin film material

PendingCN121574517AHexadecanePolymer science
The invention belongs to the technical field of preparation of nano composite materials, and particularly relates to a melt-blending nano-dispersed cellulose nanocrystal modified polylactic acid composite film material and a preparation method of the melt-blending nano-dispersed cellulose nanocrystal modified polylactic acid composite film material. Comprising polylactic acid and hexadecane modified cellulose nanocrystals, and the addition amount of the hexadecane modified cellulose nanocrystals is 1%-5% of the mass of the polylactic acid. The preparation method comprises the following steps: activating cellulose nanocrystals by adopting sodium hydroxide, and then adding halogenated hexadecane for reaction to obtain the hexadecane modified cellulose nanocrystals. Through surface hydrophobization green modification, agglomeration caused by drying is avoided, the interfacial compatibility with PLA and other hydrophobic polymers is enhanced, and nano dispersion of cellulose nanocrystal powder in a polylactic acid matrix is achieved through shear force in melt processing and melt fluidity of cetane macromolecules. Therefore, crystallization and heat resistance of polylactic acid are improved.
Owner:HUBEI UNIV OF TECH

A positively charged quaternary ammonium salt polymer catalyst and its preparation method and application

The invention belongs to the field of water treatment, and more particularly to a positively charged quaternary ammonium salt polymer catalyst and its preparation method and application. The catalyst provided by the present invention is made of a positively charged quaternary ammonium salt precursor through polymerization and anion exchange, and the positively charged quaternary ammonium salt precursor is the reaction product of acrylate and halogenated alkane; the acrylate is one or more of dimethylaminoethyl acrylate, dimethylaminoethyl methacrylate and 3 (dimethylamino) ethyl acrylate; the halogenated alkane is one or more of undecane bromide, dodecane bromide, tetradecane bromide, hexadecane bromide, eicosane bromide, dodecane chloride, tetradecane chloride and hexadecane chloride. The catalyst provided by the present invention has good stability and antibacterial properties, can efficiently and selectively catalyze the degradation of organic pollutants by peroxide, has important practical significance for removing wastewater rich in organic pollutants, and has a wide range of applications in water pollution control and water environment restoration.
Owner:UNIV OF SCI & TECH OF CHINA

A synergistic composition for the treatment of disorders related to central nervous system (CNS) excitability.

The present invention relates to a synergistic composition for the treatment of disorders related to central nervous system (CNS) excitability. The synergistic composition comprises combination of GABA receptor agonists and synaptic plasticity enhancer or salts thereof along with pharmaceutically acceptable excipients. The GABA receptor agonists are selected from the group consisting of 4-[(2R)-2,4-Dihydroxy-3,3-dimethylbutanamido]butanoic acid, 4- (Pyridine-3-carbonylamino)butanoic acid and 4-(hexadecanoylamino)butanoic acid or salts thereof. The synaptic plasticity enhancer are selected from magnesium 2- acetamidoethanesulfonate, magnesium bis (2-aminoethane-1-sulfonate), magnesium;(2S,3R)- 2,3,4-trihydroxybutanoate, N-(2-Hydroxyethyl)hexadecanamide, 1-(4-aminobutyl)guanidine and 5'-inosinic acid or salts thereof.
Owner:CELAGENEX RES INDIA PVT LTD

Optical laminate

Provided is an optical laminate in which a surface protection film is temporarily affixed to an optical film, and in which the generation of air bubbles at the end of the surface protection film after autoclave treatment is suppressed. An optical laminate according to an embodiment of the present invention comprises: an optical film having a polarizing plate including a polarizer and an anti-glare layer disposed on one side of the polarizing plate; and a surface protection film which comprises a base film and an adhesive layer and is temporarily affixed to the anti-glare layer side of the optical film in a peelable manner by means of the adhesive layer. The arithmetic average roughness Ra of the surface of the optical film on the surface protection film side is 0.15 [mu] m or more; the difference between the cetane contact angle of the surface of the optical film on the surface protection film side and the cetane contact angle of the adhesive layer is 50 DEG or less.
Owner:NITTO DENKO CORP

Preparation method of isohexadecane solvent naphtha

The invention discloses a preparation method of isohexadecane solvent naphtha, which comprises the following steps: treating a raw material isohexadecane mixture by a feed adsorption tank and a feed filter, feeding into a feed buffer tank, boosting by a hydrogenation feed pump, mixing with recycle hydrogen, exchanging heat with reaction generated oil, and feeding into a pre-hydrogenation reactor; a pre-hydrogenation reaction product is mixed with high-pressure circulating oil and circulating hydrogen, is subjected to heat exchange with reaction generated oil, is fed into a hydrofining reactor, is subjected to heat exchange, is cooled, and is fed into a high-pressure separator; the reaction generated oil and the hydrogenation generated oil at the bottom of the high-pressure separator are sent to a product separation tower after components are removed by a light component removal tower; the product separation tower is provided with a side stream stripping tower, isohexadecane solvent oil is extracted from the bottom of the side stream stripping tower, and byproducts such as isododecane solvent oil and isoeicosane solvent oil are extracted from the top and the bottom of the separation tower respectively. The method prolongs the service life of the catalyst and the operation cycle of the device, reduces the operation energy consumption of the device, reduces the carbon emission and saves the investment.
Owner:SINOPEC GUANGZHOU ENG CO LTD +1

Modified waste white clay synthetic super-hydrophobic thermal management composite coating and preparation method thereof

ActiveCN119192954BHexadecaneSilicic acid
A modified waste clay synthetic super-hydrophobic thermal management composite coating, a preparation method thereof, one part of waste clay powder is subjected to carbonization treatment in a tube furnace; one part of waste clay powder is subjected to air-burning oxidation treatment in a tube furnace; two parts of waste clay powder are respectively added into a mixed solution of hexadecane trimethyl siloxane, tetraethyl silicate, ammonia and ethanol for hydrophobic treatment to obtain a dispersion; the dispersion is subjected to centrifugal, washing and drying treatment in sequence to obtain modified waste clay powder after oxidation and carbonization; two surfaces of a substrate are sequentially subjected to washing, drying and plasma treatment; the waste clay powder after oxidation and carbonization is mixed with resin and curing agent respectively, and then added into a solvent for stirring treatment and ultrasonic oscillation treatment to prepare a spray coating; the spray coating is sprayed on two surfaces of the prepared substrate respectively, and a modified waste clay synthetic super-hydrophobic thermal management composite coating is obtained after curing. The composite coating prepared by the method can significantly reduce energy consumption in heating and cooling.
Owner:JIANGSU TIANWO HEAVY IND TECH CO LTD +1

Phase-change self-repairing lightweight aggregate concrete material and preparation method thereof

The invention provides a phase-change self-repairing lightweight aggregate concrete material and a preparation method thereof.The method comprises the steps that 1, phase-change self-repairing lightweight aggregates prepared from hexadecane, dodecanol, decanoic acid, lauric acid, tetradecanoic acid and a repairing agent are mixed according to the mass ratio of 1: 1: 1: 1: 1, and composite phase-change self-repairing lightweight aggregates are obtained; secondly, the shale pottery sand is pre-wetted to reach a saturated surface dry state; 3, uniformly dry-mixing silica fume, cement, fly ash, floating beads and nano-silica in a concrete mixer to obtain a primarily mixed dry material; 4, adding composite phase change self-repairing lightweight aggregate, 50% of water, 50% of an additive and 50% of carbon fibers into the primarily mixed dry material, and uniformly stirring to obtain a medium mixed material; and 5, adding shale pottery sand, 50% of water, 50% of an additive and 50% of carbon fibers into the medium mixture, and uniformly stirring to obtain the phase-change self-repairing lightweight aggregate concrete.
Owner:SHANGHAI CONSTRUCTION GROUP CO LTD

A Nb-based single-atom catalyst for preparing hexadecane from palmitic acid and its preparation method

The present invention belongs to the field of biomass energy utilization and relates to a Nb-based single-atom catalyst for the production of hexadecane from palmitic acid and its preparation method. The catalyst is synthesized hydrothermally using a co-complexation strategy of ammonium niobium oxalate and chloroplatinic acid to introduce platinum atoms into the niobium oxide framework. Although the added platinum level is only 0.54%, it exhibits excellent selectivity and activity. The catalyst effectively inhibits decarboxylation side reactions, reduces the production of byproducts such as carbon dioxide, and improves selectivity for long-chain alkanes. The palmitic acid hydrodehydration reaction method using this catalyst can achieve high selectivity and high conversion of hexadecane under specific reaction conditions (such as temperature, pressure, reaction time, and catalyst-to-substrate mass ratio). The catalyst and method of the present invention have important application value for biomass energy utilization and reducing carbon dioxide emissions, particularly in the production of long-chain alkanes such as diesel and aviation fuel.
Owner:SOUTHEAST UNIV

High-entropy alloy catalyst for palmitic acid hydrodeoxygenation to hexadecane reaction and preparation method thereof

The application belongs to the technical field of catalyst preparation, and provides a high-entropy alloy catalyst for palmitic acid hydrodeoxygenation to produce hexadecane and a preparation method thereof.The high-entropy alloy catalyst is a PtRuNiCe / MgAlO catalyst, which is composed of a MgAlO carrier prepared by calcining magnesium-aluminum hydrotalcite and Pt, Ru, Ni and Ce four kinds of metals loaded on the MgAlO carrier, and the molar ratio of the four kinds of metals is 1:1:1:1.The PtRuNiCe / MgAlO high-entropy alloy catalyst is used for palmitic acid hydrodeoxygenation to produce hexadecane, and excellent catalytic activity and hexadecane selectivity are exhibited, and the catalyst still maintains relatively excellent catalytic performance and good stability after being used for multiple cycles.
Owner:EAST CHINA UNIV OF SCI & TECH

A long-lasting makeup foundation

PendingCN122251286AReliable moisturizingReliable oil control effectCosmetic preparationsMake-upHexadecaneGlycerol
The application discloses a long-acting makeup holding foundation liquid, which comprises water, titanium dioxide, hydrogenated polydecene, isododecane, isohexadecane, dimethicone, caprylic acid / capric acid triglyceride, dipropylene glycol, silica, polyglyceryl-2 dipolyhydroxystearate, synthetic fluorphlogopite, polymethylsilsesquioxane, a film forming agent, magnesium sulfate, cetyl PEG / PPG-10 / 1 dimethicone, lithium montmorillonite, triethoxysilane, ethanol, dimethicone / vinyl dimethicone crosspolymer, alumina, dimethiconol, collagen, natural extract, a colorant, a moisturizing agent and trace additives. The long-acting makeup holding foundation liquid has reliable water supplementing and moisturizing and oil control effects, can selectively absorb and control oil, has reliable skin friendliness, can reliably protect makeup of oily skin, and avoids the problem of makeup removal caused by facial oil secretion.
Owner:GUANGZHOU YUMING BIOLOGICAL TECH CO LTD

Preparation method and application of aromatic dicarboxylic acid-terbium complex fluorescence sensor array

The invention discloses a preparation method and application of an aromatic dicarboxylic acid-terbium complex fluorescent sensor array. The fluorescent sensor array comprises three fluorescent probes, the terbium complexes are respectively a 5-methoxy isophthalic acid-terbium complex, a 5-hexadecyloxy isophthalic acid-terbium complex and a 5-(6 '-cholesterol) hexyloxy isophthalic acid-terbium complex, and the preparation method comprises the following steps: (1) dissolving an aromatic dicarboxylic acid ligand in DMSO (dimethylsulfoxide) to obtain an aromatic dicarboxylic acid ligand mother solution; dissolving a terbium source in distilled water to obtain terbium ion mother liquor; and (2) adding the terbium ion mother liquor into an HEPES buffer solution, adding an aromatic dicarboxylic acid ligand mother liquor into the HEPES buffer solution, and carrying out constant-temperature reaction at 30-40 DEG C for 40-95 minutes to obtain the aromatic dicarboxylic acid-terbium complex. The fluorescent sensor array can be used for detecting tetracycline, cefixime, chloramphenicol and ciprofloxacin, and is high in accuracy and sensitive.
Owner:XIAN UNVERSITY OF ARTS & SCI

Rubber sign containing epoxy group agglomerated siloxane microsphere emulsion and preparation method of rubber sign

PendingCN121471486ASodium bicarbonateHexadecane
The invention belongs to the technical field of high polymer materials, and particularly relates to a rubber label containing an epoxy group agglomerated siloxane microsphere emulsion and a preparation method thereof.The preparation method comprises the steps that S1, sodium dodecyl sulfate, sodium bicarbonate and sodium dihydrogen phosphate serve as raw materials to prepare a water phase, modified silane, n-hexadecane and azodiisobutyronitrile serve as raw materials to prepare an oil phase, and the oil phase is prepared into an oil phase; carrying out emulsification treatment on the water phase and the oil phase to obtain a miniemulsion, and carrying out polymerization reaction on the miniemulsion to obtain an epoxy group-containing agglomerated siloxane microsphere emulsion; s2, polyol, isocyanate, a chain extender, 1, 4-butanediol and stannous octoate are used as raw materials to prepare a prepolymer; and S3, adding the epoxy group-containing agglomerated siloxane microsphere emulsion into the prepolymer for stirring reaction, and then pouring into a mold for molding to obtain the rubber label containing the epoxy group-containing agglomerated siloxane microsphere emulsion. The hardness and heat resistance of the material are effectively improved, and good flame retardant property is obtained.
Owner:深圳市联星服装辅料有限公司

Method for improving oxidation tolerance of saccharomyces cerevisiae

The invention provides a method for improving oxidation tolerance of saccharomyces cerevisiae, and belongs to the technical field of saccharomyces cerevisiae. The method comprises the following steps: adding a hexadecanoic acid solution into saccharomyces cerevisiae exponential phase cells, and culturing in an incubator. Compared with other methods for improving the oxidation tolerance of the saccharomyces cerevisiae, the method has the advantages that the oxidation tolerance of the saccharomyces cerevisiae can be improved, the fermentation efficiency of the saccharomyces cerevisiae can be improved, and the cost is low and the operation is convenient.
Owner:JINING MEDICAL UNIV

Marine fungus-derived petroleum degrading enzyme, gene A6006 thereof and application of marine fungus-derived petroleum degrading enzyme

The invention provides a marine fungus-derived petroleum degrading enzyme, a gene A6006 and application thereof, belongs to the crossing field of biological enzyme technology and environmental remediation, and provides the marine fungus-derived petroleum degrading enzyme, the amino acid sequence of which is shown as SEQ ID NO.2. The gene A6006 of the marine fungus-derived petroleum degrading enzyme has the advantages that the gene A6006 of the marine fungus-derived petroleum degrading enzyme has the advantages that the gene A6006 of the marine fungus-derived petroleum degrading enzyme has the advantages that the gene A6006 of the marine fungus-derived petroleum degrading enzyme can be used for degrading petroleum; the nucleotide sequence of the gene after being optimized by an escherichia coli codon is shown as SEQ ID NO. 1; the marine fungus-derived petroleum degrading enzyme provided by the invention can degrade dodecane, tridecane, tetradecane, pentadecane, hexadecane, heptadecane, octadecane, hexadecanoic acid, naphthalene, phenanthrene and pyrene; and the degradation effect on tetradecane, hexadecane and naphthalene is better.
Owner:QILU UNIVERSITY OF TECHNOLOGY (SHANDONG ACADEMY OF SCIENCES)

An aerogel anti-condensation dew coating and a method of making the same

This invention relates to the field of coating technology, and proposes an aerogel anti-condensation coating and its preparation method. An aerogel anti-condensation coating comprises the following raw materials in parts by weight: 40-60 parts of elastic silicone-acrylic emulsion, 5-7 parts of aerogel, 10-12 parts of polyurethane acrylic resin, 5-10 parts of silica, 5-10 parts of heat-insulating filler, 2-3 parts of film-forming aid, 1-1.5 parts of dispersant, 0.5-1 part of defoamer, 1-2 parts of thickener, and 30-40 parts of water; the heat-insulating filler has a core-shell structure, consisting of a core material and a shell material; the shell material comprises the following raw materials in parts by weight: 9-11 parts of melamine and 7-9 parts of formaldehyde aqueous solution; the core material comprises the following raw materials in parts by weight: 6-8 parts of white oil, 7-9 parts of hexadecane, and 5-7 parts of microcrystalline wax. This technical solution solves the problem of poor heat insulation performance in aerogel anti-condensation coatings in related technologies.
Owner:河北中增智能科技有限公司

Outdoor work clothes with cooling function

The invention discloses outdoor work clothes with a cooling function, and belongs to the technical field of outdoor work clothes. Comprising an outer protective layer, a phase-change cooling layer and a lining layer, the outer protective layer comprises an oxford fabric, the outer surface of the oxford fabric is coated with a nanometer titanium dioxide reflective coating, the inner surface of the oxford fabric is compounded with a waterproof breathable film, the phase-change cooling layer comprises a honeycomb-shaped sealing bag, the sealing bag is filled with a composite phase-change material, and the composite phase-change material is coated with a nanometer titanium dioxide reflective coating. The composite phase change material is an n-octadecane-n-hexadecane blend with the mass ratio of 7: 3, a nano-graphite heat conduction agent accounting for 2%-3% of the total mass is added, the lining layer is a polyester fiber fabric, and a 0.5-1 cm air circulation gap is reserved between the lining layer and the phase change cooling layer; according to the technical scheme, through the integrated design of multi-layer protection and phase change active cooling, no endurance limitation is formed, and the system is suitable for high-humidity, quiet-wind and other complex outdoor scenes.
Owner:GUANGDONG CHANGSHENG ELECTRIC POWER TECHNOLOGY CO LTD

Composition for reducing saltiness and its use

To provide a taste-modifying composition that reduces the saltiness of sodium salts, such as sodium bicarbonate; the use of such a taste-modifying composition to reduce the saltiness of sodium salts; and a composition (such as an edible composition or an oral care composition) comprising a sodium salt and a taste-modifying composition. [Solution] below: (a) Glucosylated natural steviol glycoside; (b) 4-amino-5,6-dimethylthieno[2,3-d]pyrimidine-2(1H)-one or a salt thereof; (c) sucralose; and (d) Oxacyclohexadecane-2-one A taste-modifying composition comprising two or more combinations of the following.
Owner:FIRMENICH SA

Application and application method of n-trihexadecane in anti-sticking isolation of liquid metal

The invention relates to the technical field of liquid metal anti-sticking, in particular to an application of n-trihexadecane in the aspect of liquid metal anti-sticking isolation and an application method, and the n-trihexadecane is used as a liquid metal anti-sticking isolation agent; the application method comprises the following steps: melting: cutting n-trihexadecane into small blocks, putting the small blocks into a glass container, and then putting the glass container into an oil bath pan; the oil bath pan is preheated at the initial temperature 10 DEG C lower than the melting point and then slowly heated to the target temperature, and local overheating is avoided; after the n-tridecane is melted, a transparent or semitransparent liquid is formed, and no unmelted particles exist; and coating is conducted, specifically, molten n-trihexadecane is evenly sprayed to the liquid metal packaging base material, and the liquid metal packaging base material is cooled to the room temperature. The release agent has a high release effect on gallium and bismuth-based liquid metals, and also has an excellent release effect on mercury, bismuth-based liquid metals and other liquid metals.
Owner:深圳市中宣液态金属科技有限公司