244 results about "Hexadecane" patented technology

An emulsified biofuel composition comprising: (A) a continuous phase comprising about 50-95 wt % of at least one liquid oil of vegetable or animal origin or mixtures thereof; (B) a water-containing dispersed phase comprising about 1-50 wt % water; (C) about 1-25 wt % of hydroxyl-containing organic compound selected from the group consisting of mono-, di-, tri- and polyhydric alcohols, provided that when a monohydric alcohol is used there is also present at least one of tert-butyl alcohol, at least one C2-C4 alkylene glycol or a mixture of both; (D) about 0.05-10 wt % of at least one emulsifier; wherein the dispersed water-containing droplets have an average particle size of less than about 20 microns. The biofuel is prepared from these components by mixing under high shear conditions, preferably with ultrasonic energy. The emulsifier(s) preferably exhibit a hydrophilic-lipophilic balance of about 8.5 to about 18 and the biofuel includes a cetane enhancer and mixture of an alcohol and mono- or poly-alkylene glycol.

This invention discloses a poor quality catalytic cracking diesel hydrogenation method. This invention includes two stages hydrocracking dealing with catalytic cracking diesel, especially the poor quality catalytic cracking diesel from catalytic hydrogen transfer process. The density of the related poor quality catalytic cracking diesel is 0.90g / ml at 20deg.C, and its aromatic hydrocarbon is over 60wt%, and the value of hexadecane is less than 30. Mixing poor quality catalytic cracking diesel and heavy cracking material and conducting hydrogenation, hydrocracking is conducted after removal of sulphur, nitrogen and other impurities from reaction oil. It is a sufficient utilization of the feature that low hydrogen and high aromatic hydrocarbon content of catalytic cracking diesel to produce Gaofangqian heavy naphtha in order to realize the effective utilization of the poor quality catalytic cracking diesel.

This invention relates to a hydrocracking preparation of chemical materials production. Poor quality catalytic cracking Diesel and heavy hydrocracking material is mixed according to a proportion, and then hydrogenation and hydrocracking are conducted. The yield of heavy naphtha reaches 40wt% by controlling operating conditions, making sure the yield of tail oil 20wt%. The quality features of this poor quality catalytic cracking Diesel are high density, high content of aromatic hydrocarbon and low value of hexadecane. The density of the poor quality catalytic cracking diesel oil is above 0.95g / ml, and the aromatic hydrocarbon is over 90wt% and the value of hexadecane is under 20. Comparing with present technology, this invention combines poor quality catalytic cracking diesel and VGO organicly. High quality chemical material is effectively transformed with obtaining low BMCI value of tail oil, which is high quality material for ethylene preparation by steam cracking.

Gel including a phase-change material and a gelling agent. In one embodiment, the phase-change material may be n-tetradecane, n-hexadecane or mixtures thereof. The gelling agent may be a high molecular weight styrene-ethylene-butylene-styrene (SEBS) triblock copolymer with a styrene:rubber ratio of about 30:70 to 33:67% by weight. To form the gel, the phase-change material and the gelling agent may be mixed at an elevated temperature relative to room temperature to partially, but not completely, dissolve the gelling agent. The mixture may then be cooled to room temperature. Alternatively, the phase-change material and the gelling agent may be mixed at room temperature, and the mixture may then be heated to form a viscoelastic liquid, which is then cooled to room temperature. The invention is also directed at a method of preparing the gel, a thermal exchange implement including the gel, and a method of preparing the thermal exchange implement.

This invention discloses a hydrocracking method.It includes that the heavy distillate oil and poor quality catalytic cracking diesel refining separately by hydrogenation, and the mixture enters into hydrocracking reactivator, then its cracking products is conducted gas liquid separation. Light naphtha, heavy naphtha, aviation kerosene, diesel oil and end oil will be obtained by distillating the liquid phase. The density of the poor quality catalytic cracking diesel oil is above 0.9g / ml, and the aromatic hydrocarbon is over 60wt% and the value of hexadecane is under 30. It is a adequate utilization of catalytic cracking craft to produce High aromatic hydrocarbon heavy naphtha and high quality end oil with heavy distillate oil and poor quality catalytic cracking diesel, which can be separately used as catalytic reforming material and making ethylene material by steam cracking method. High aromatic hydrocarbon heavy naphtha in this invention will produce a large amount of reforming hydrogen after catalytic reforming treatment, which can be used in the process of hydrocracking to make this preparation more ecnomical and reasonable.

The invention provides a method for preparing polyurea-melamin resin double-wall material cetane microcapsule, which comprises: first, toluene-2, 4- vulcabond and quadrol are adopted to synthesize inner layer shell material of the cetane microcapsule by an interfacial polymerization method, and then melamin resin performed polymer is adopted to synthesize outer layer shell material of the cetane microcapsule by an in-situ polymerization method, so that the polyurea-melamin resin double-wall material cetane microcapsule can be prepared. More particularly, the method comprises: hexadecane and the toluene-2, 4- vulcabond are fully mixed together and then added into the mixture of de-ionized water, sodium dodecyl sulfate and polyethylene glycol nonylphenyl ether to be emulsified to obtain cetane emulsified liquid; then, the mixed quadrol solution is dripped into the cetane emulsified liquid to react to obtain polyurea monolayer shell material microcapsule; finally, the polyurea monolayer shell material microcapsule reacts with the melamin resin performed polymer to obtain the polyurea-melamin resin double-wall material cetane microcapsule. The prepared microcapsule has good compactness, high strength and core content and excellent particle size distribution.

The invention belongs to the technical field of corrosion prevention of aluminum alloy. An aluminum alloy corrosion inhibitor is characterized in that: one gram of the aluminum alloy corrosion inhibitor consists of 0.05 to 0.10 microgram of potassium nitrite, 1.0 to 4.0 micrograms of calcium gluconate, 0.05 to 0.2 microgram of mercaptobenzothiazole, 0.05 to 0.2 microgram of borate and 0.05 to 0.10 microgram of hexadecane amine. The aluminum alloy corrosion inhibitor formed according to the ratio is economic, effective, low in toxicity and high in applicability, protects the original process flow from being damaged, and is the saline medium aluminum alloy corrosion inhibitor without additional equipment.

The invention discloses amphipathy photoswitch fluorescent polymer nano particles and a preparing method of the amphipathy photoswitch fluorescent polymer nano particles. Methyl methacrylate, polymerizable green fluorescence dye and a polymerizable photochromic compound are taken as monomers, hexadecane is taken as hydrophobe, a polyoxyethylene macromolecular chain transfer reagent is taken as a surface active agent, a one-step reversible addition-fragmentation chain transfer (RAFT) miniemulsion polymerization method is adopted for preparing the novel amphipathy photoswitch fluorescent polymer nano particles. The amphipathy photoswitch fluorescent polymer nano particles can emit intense macroscopic green or red fluorescence under irradiation of visible light and ultraviolet light, and have fast photoresponse capacity and good repeated fluorescence reversible switch performance. The amphipathy photoswitch fluorescent polymer nano particles have wide application prospects in the fields of cell imaging, bioanalysis, optical storage and the like.

The invention relates to a method for preparing magnetic / hollow double-shell layer print adsorbent by emulsion polymerization and belongs to the technical field of the preparation of environment function materials. Attapulgite is used as stabilizer; a few Fe3O4 nanometer particles are used as a magnetic separation carrier; a dispersion solution of hydrophilic Fe3O4 nanometer particles and attapulgite is used as a water phase; and a mixture of organic solvent hexadecane, cross-linking agent styrene, template molecule cyhalothrin, initiator azo isobutyric dimethyl ester and functional monomers acrylamide and tetra-vinyl pyridine is used as an oil phase. The water phase and the oil phase are mixed to prepare stable oil-in-water emulsion in an ultrasonic manner; and the magnetic hollow double-shell layer print polymer is prepared by emulsion polymerization. The magnetic hollow double-shell layer print polymer can be applied to selective recognition and separation of cyhalothrin in an aqueous solution. The magnetic hollow double-shell layer print polymer has a hollow double-layer structure, wherein the hollow structure can be used for effectively increasing adsorption capacity; the strength of the obtained printer polymer is enabled to be high by the inorganic particle layer in the shell layer; and the recognition points are unlikely to be damaged.

The invention discloses a phase change energy storage microcapsule of composite shell and its making method, wherein the core material of the microcapsule employs tetradecane, pentadecane or hexadecane, the shell layer has a composite construction, the inner layer is melamine resin, the outer layer is PEG200 modified melamine resin, or PEG200 modified melamine, or copolycondensation resin of methyl poultry manure amine, acetyl poultry manure amine or benzene substituted melamine.

A soil-resistant transfer sheet which comprises, in the following order, a substrate sheet (a), a soil-resistant layer (b), a coating layer (c), and optionally an adhesive layer (d), wherein a surface of the soil-resistant layer, which reveals after the substrate sheet (a) is removed, has a contact angle with water of 100° or larger and a contact angle with hexadecane of 40° or larger; a process for producing a molded resin by in-mold labeling using the transfer sheet. The soil-resistant layer (b) is a layer obtained from a soil-resistant composition, and the coating layer (c) is a layer obtained from a polymerizable coating composition. The soil-resistant composition especially preferably is a perfluoropolyether urethane acrylate composition.

This invention discloses a hydrocracking method, and this invention is used for producing high aromatic hydrocarbon heavy naphtha and high quality end oil.It includes that heavy distillate oil and poor quality catalytic cracking diesel hydrocracks separately, and the mixture of the cracking products is conducted gas liquid separation. Light naphtha, heavy naphtha, aviation kerosene, diesel oil and end oil will be obtained by distillating the liquid phase. The density of the poor quality catalytic cracking diesel oil is above 0.9g / ml, and the aromatic hydrocarbon is over 60wt% and the value of hexadecane is under 30. It is a adequate utilization of catalytic cracking craft to produce high aromatic hydrocarbon heavy naphtha and high quality end oil with heavy distillate oil and poor quality catalytic cracking diesel, which can be separately used as catalytic reforming material and making ethylene material by steam cracking method. High aromatic hydrocarbon heavy naphtha in this invention will produce a large amount of reforming hydrogen after catalytic reforming treatment, which can be used in the process of hydrocracking to make this preparation more ecnomical and reasonable.

The invention discloses a safety urea resin micro-capsule and a preparation method of the safety urea resin micro-capsule. The safety urea resin micro-capsule is prepared by carrying out in-situ polymerization on an organic phase change material functioning as a core material and urea resin functioning as a wall material, wherein the urea resin functioning as the wall material is obtained by subjecting formaldehyde and ureophil at the molar ratio of 1:1.4-1.6 to condensation polymerization; the organic phase change material functioning as the core material is one or more of liquid paraffin, hexadecane, n-octadecane and solid paraffin, and based on the ratio of the mass of the core material, namely the organic phase change material, to the total mass of the formaldehyde and ureophil in the wall material, the ratio of the core material to the wall material is 1.2-1.5:1. On the basis of ensuring the uniform particle size and high enveloping ratio of the safety urea resin micro-capsule disclosed by the invention, the content of the formaldehyde meets E1 of the European Norm (EN) standard, namely, the content of the formaldehyde in the micro-capsule is less than 10mg / 100g.

The present invention provides a formula of a moisturizing lipstick. The formula of the moisturizing lipstick comprises hydrogenated cocoglycerides, tridecyl alcohol trimellitate, ethylhexyl palmitate, polyisobutylene, isononyl acid isononyl ester, hydrogenated polydecene, polyethylene, isohexadecane, diisostearyl malate pentaerythritol tetraisostearate, etc. The above raw materials are mixed according to a specific ratio, so that the formula of the moisturizing lipstick improves a skin moisturizing effect of the lipstick. Besides, a good viscosity control is conducted to improve moisture retention of lips by the lipstick, and the lipstick repairs deep layer skin and also is improved in gloss, clear and transparent in appearance, bright in color and luster, moisturized and smooth, good inmoisturizing performances and non-toxic and non-irritating to the skin of the lips.

The invention provides a multifunctional viscose with functions such as temperature regulation and bacterium resistance, a preparation method of the viscose and a fabric. The multifunctional viscose comprises a graphene component and phase-change microcapsule particles; the phase-change microcapsule particles comprise polymer capsule walls and phase-change materials embedded in the polymer capsule walls; the phase-change materials are selected from one or more of n-tetradecane, n-pentadecane, n-hexadecane, n-heptadecane, n-octadecane, n-nonadecane, n-eicosane and polyethylene glycol E600. According to the multifunctional viscose, by mainly using the heat storage function of the phase-change materials and the heat conduction function of graphene, the viscose can regulate the temperature and balance the heat. The graphene component has the bacterium resistance and far-infrared transmission capacities. When the multifunctional viscose is used as the garment fabric, the temperature and humidity micro-environment of the human body can keep balance, the human body keeps a good and comfortable wearing environment as long as possible, the multifunctional viscose has the bacterium resistance function, and the health of the human body is protected.

The invention discloses Mn element and Zn element-doped super-paramagnetic ferrite nanoparticles and a preparation method thereof. Manganese element is added or manganese element and zinc element are simultaneously added into a face-centered cubic crystal structure of ferriferrous oxide nanoparticles by using a method of decomposing metal precursor compound at a high temperature; the magnetic performance of the prepared super-paramagnetic nanoparticles is improved by changing the doping amount and the distribution of the metal element; and primarily, the saturation magnetization is improved. The preparation method specifically comprises the following steps of: mixing acetylacetones of Fe and Mn as well as Zn with 1,2-hexadecanol; performing high-temperature decomposition in high-boiling-point solvent by taking oleic acid and oleylamine as surfactants; or performing high-temperature decomposition on composite oleate of Fe, Mn and Zn by taking the oleic acid as the surfactant; heating and preserving heat in stages in argon or nitrogen protective atmosphere to guarantee growth of nanoparticle nuclear; and cooling to room temperature after reaction is finished and settling and centrifuging to finally obtain the super-paramagnetic ferrite nanoparticles which are uniformly dispersed in normal hexane solution.

The invention relates to a blue-light-resistant and anti-ultraviolet cosmetic raw material, a preparation method thereof and an application of the raw material. The cosmetic raw material comprises Arabian jasmine flower extracts, pale butterflybush flower extracts, bisabolol, glycerin, water, propylene glycol, titanium dioxide, cyclopentasiloxane, isohexadecane, polydimethylsiloxane, petrolatum, 1, 2-hexanediol, butyl methoxy dibenzoyl methane, Xanthan gum and the like. Plants containing natural active components are extracted to form an all-optical protection cosmetic, the cosmetic contains various nourishing components, is lightsome, breathable, fine, smooth, textured, soft, moist and nourished, can form a clear isolated layer on the surface of a skin and has excellent functions of resisting blue light, ultraviolet ray and oxidation and the like, interference of dust, haze, make-up products and the like to the skin is avoided, delicate skins are protected moment by moment, and all-weather protection is provided for the skin. The all-optical protection cosmetic is remarkable in effect, good in stability, convenient to use and high in universality and has wide application values.

The invention discloses a method for preparing cetilistat, which belongs to the technical field of the medicine preparation method, and is used for solving the problems of high three wastes, low yield and high cost in the current preparation method. The method comprises the following steps: 1)esterifying a compound A(2-amino-5-methyl benzoic acid) or its salt; 2) acylating an esterification object in the step 1) and chloroformic acid n-cetanol ester; 3)removing ester group of the compound obtained in the step 2) to obtain 2-(cetane carbonyl oxygen)amino-5-methyl benzoic acid; and 4)cyclizing the compound in the step 3) to obtain the target products. By improving the production steps, the invention provides the synthetic method with simple operation, high efficiency, and convenient industrial production for the cetilistat product.

This invention relates to a hydrocracking method. Poor quality catalytic cracking diesel is conducted hydrocracking at first, then the mixture of the cracking product, VGO and so on enters the second hydrocracking reacting region, and then various light products and hydrogenation end oil are segregated. The related Poor quality catalytic cracking diesel is catalytic cracked from heavy, dregs oil, especially from catalytic cracking with hydrogen transfer technology. Its quality features are high density, high content of aromatic hydrocarbon and low value of hexadecane. Comparing with present technology, this invention combines poor quality catalytic cracking diesel and VGO organicly. High quality chemical materials which contain high aromatic hydrocarbon heavy naphtha and low BMCI value end oil can be maximumly produced by eligible preparation and operating conditions.

The invention discloses triphenylamine derivatives represented by a formula (I) as well as a preparation method and an application thereof in piezochromic organogel. The preparation method comprises the following steps of: mixing an intermediate, para-hexadecyloxy benzaldehyde and sodium methoxide, dissolving with absolute ethyl alcohol, stirring and reacting for 3 hours at room temperature, and separating the reaction liquid after the reaction is complete so as to obtain the triphenylamine derivatives represented by formula (I). The piezochromic organogel is a micromolecule organogel material with multiple simulation responsiveness. The piezochromic organogel is simple in synthesis method, convenient in preparation, strong in simulation responsiveness, and can be applied to fields such as a sensor, anti-fake, store and display.

The invention provides a preparing method for 3,5-bis(tertiary butyl)-4-hydroxybenzoic acid hexadecane alkyl ester. The preparing method comprises the steps that 3,5-bis(tertiary butyl)-4-hydroxybenzoic acid, cetyl alcohol and a catalyst are added into a reaction vessel, flow of inert gas is introduced, a heat-preserving reaction is carried out at the temperature of 80 DEG C-160 DEG C, TLC tracks and monitors the reaction till the reaction endpoint, and reaction liquid is subjected to after-treatment to obtain 3,5-bis(tertiary butyl)-4-hydroxybenzoic acid hexadecane alkyl ester. By means of the preparing method, it is unnecessary to adopt other solvent, production cost is saved, and waste gas exhaustion of organic solvent is avoided in the synthesis process; the inert gas serves as a water-carrying agent and a protective agent, operation and control are simple, production safety is good, the color of products is improved, and the method has remarkable economic benefits and has remarkable environmental protection significance.

The invention relates to the technical field of cement additives, and particularly relates to a compound cement grinding aid. The compound cement grinding aid comprises hyperbranched polyesteramide, hexadecanol, calcium lignosulphonate, urea, sodium acetate, glycol and glycerol. The compound cement grinding aid mixed in the cement accounts for 0.04%-0.05% the weight of the cement. The compound cement grinding aid, which takes the hyperbranched polyesteramide as the main component, can be used for obviously improving the content of fine particles in the cement, improving the grinding efficiency, lowering the production cost and hardly affecting the properties of the cement, is convenient to use, has a good effect, and has good development prospect in market.

The invention discloses a method employing hexadecanoic acid butyl ester as a female spodoptera exigua hiibner attractant, and belongs to a method for attracting insects to protect plants by virtue of semiochemicals of host plants. A 0.01 to 0.05mol / L solution, further preferably a 0.03 mol / L solution, is prepared from the hexadecanoic acid butyl ester by adopting ethanol as a solvent. The female spodoptera exigua hiibner attraction rate of the hexadecanoic acid butyl ester is tested by a Y-type olfactometer to be maximally 68.0 percent. The egg laying amount after spraying application of the hexadecanoic acid butyl ester in an indoor egg laying experiment is 15.2 times higher than the reference, and the attraction rate in a field experiment reaches 81.4 percent. Such a compound can be used for preparing a biological pesticide for preventing and controlling spodoptera exigua hiibner.

The invention discloses a preparation method and application of a mercury ion detection probe. The method comprises the following steps of: 1, adding purified gold nanorods into a cetyl methyl ammonium bromide solution, stirring, then orderly adding an ascorbic acid solution, a silver nitrate solution and a sodium hydroxide solution, stirring, and centrifuging to get a solution A; 2, adding isothiocyano-malachite green Raman molecule into the solution A, eddying and mixing uniformly to get a mixed liquid B; 3, incubating the mixed liquid B in a dark condition, until realizing adsorption equilibrium, therewith, obtaining the final product, namely the mercury ion detection probe. The invention also relates to the application of the mercury ion detection probe, the mercury ion detection probe can be used for detecting the solution containing mercury ions. The probe prepared by the method disclosed by the invention is high in sensitivity, high in accuracy, quick in detection speed, simple to operate, low in cost and low in energy consumption, and can be widely used in the fields of environment detection, food safety, diseases detection, and so on.

The invention discloses a preparation method for a near-infrared light switch fluorescent polymer nanoparticle, and application thereof. A FRET (Fluorescence Resonance Energy Transfer) principle is used, MMA (Methyl MethAcrylate) is taken as a polymerizable monomer, polymerizable near infrared fluorescent dye (TEGTPPDI-Aly) is taken as an energy donor, a polymerizable photochromic compound (STPMA) is taken as an energy receptor, hexadecane (HD) is taken as a hydrophobic substance, CTAC (Cetyltrimethylammonium Chloride) is taken as surfactant, and a one-step simple miniemulsion polymerization method is adopted to prepare the near-infrared light switch fluorescent polymer nanoparticle. The near-infrared light switch fluorescent polymer nanoparticle prepared with the predation method has the advantages of near-infrared light switch ability, low cytotoxicity, good water dispersibility, low input cost, simple synthetic route and the like, is suitable for amplification synthesis and practical production and application, and has a huge application prospect in technical field including super-resolution imaging, life science and the like.

The invention discloses a temperature adjusting fiber and a preparation method thereof. The raw materials of the temperature adjusting fiber contain hexadecane phase change microcapsules of a polyurea-melamine resin wall material, the phase change temperature of the hexadecane phase change microcapsules of the polyurea-melamine resin wall material is 10 to 40 DEG C, and the phase change enthalpy is 100 to 180J / g. The method for preparing the temperature adjusting fiber comprises the following steps of: mixing the hexadecane phase change microcapsules of the polyurea-melamine resin wall material and viscose solution, pressing the mixture into a coagulation bath by jetting, performing spinning molding, performing damp and hot drawing and setting, refining treatment and drying, and obtaining the temperature adjusting fiber.

The invention discloses epoxy resin metallic paint. The epoxy resin metallic paint is characterized by being prepared from the following materials in parts by weight: 62-65 parts of E20 epoxy resin, 30-34 parts of melamine formaldehyde resin, 6-8 parts of maleic anhydride, 4-5 parts of 1-(vinyl oxygroup) hexadecane, 2-3 parts of zinc cyanurate, 3-4 parts of zinc oxide, 2-3 parts of alum powder, 1-2 parts of dimethyl propane, 1-2 parts of catechol, 3-4 parts of zirconium fluoride, 10-12 parts of zinc phosphate, 9-12 parts of mica powder, 12-14 parts of ethyl acetate and 4-5 parts of auxiliaries. According to the invention, the auxiliaries improve optical performances, so that paint is uniformly dispersed, stability of paint is kept, and film-forming effect is improved. According to insulated primer, an appropriate amount of resistant adjusting agent dimethyl propane is added into the formula of the primer, so that resistance value of a paint film formed by the primer is increased, conductive capacity is lowered, and insulated effect is achieved. The epoxy resin metallic paint disclosed by the invention is suitable for being used by an electrical cabinet, and the like.

The invention discloses an organic bi-metal gel capable of recognizing cyanic group ions through a fluorescent colorimetric method. The gel is prepared by dissolving a gelator, namely 1-naphthyl-3,4,5-tri(hexadecyloxyl) benzoyl hydrazone, Ca<2+>, and Cu<2+> into an organic solvent, and cooling to the room temperature so as to form the organic bi-metal gel. When negative ions are added into the organic bi-metal gel, only CN<-> can convert the color of the organic bi-metal gel from dark green to tawny, and very strong fluorescence is generated at the same time; other negative ion aqueous solution do not change the color of the organic bi-metal gel, and no fluorescence is generated; so the organic bi-metal gel can recognize the CN<-> in water liquid through a fluorescent colorimetric method in a mono-selectivity way, so that a person can quickly and conveniently detect CN<-> in water through his naked eyes.