45 results about "Ethoxy Compounds" patented technology

The invention relates to a method for synthesizing high-purity polysorbate-80. The polysorbate-80 (I) is a partial esterified product of a sorbitan ethyoxyl compound and oleic acid. The method comprises the following steps of: (1) partially dehydrating sorbitol as a raw material under the action of an acid catalyst in a state of vacuum to obtain sorbitan (II); (2) carrying out addition polymerization on the sorbitan (II) and oxirane under the action of a base catalyst to obtain sorbitan polyethenoxy ether (III), wherein the addition number of the oxirane is 20; (3) reacting the sorbitan polyethenoxy ether (III) with the high-purity oleic acid under the action of an esterifying catalyst and refining to obtain the high-purity polysorbate-80. The invention leads the emulsifying and solubilizing performance of products to be more perfect and the quality of the products to easily meet the requirement of an injection class and has easily controlled quality and good stability; and the high-purity polysorbate-80 has lower blood dissolving rate in same concentration, and predictable and safer clinical use by being used as an auxiliary material for injection.

The invention relates to ingredients of a catalyst for vinyl polymerization. The ingredients comprise the following reaction products: (1) a magnesium compound, (2) an organic alcoholic compound, (3) an organic silicon compound, (4) a non-ionic surfactant, and (5) a titanium compound, wherein the structural formula of the organic silicon compound is at least one of R<1>xR<2>ySi(OR<3>)z, wherein R<1> and R<2> are respectively alkyl or halogen of which the carbon numbers are 1 to 10; R<3> is alkyl of which the carbon number is 1 to 10; x, y and z are integral numbers; x is larger than or equal to 0 and smaller than or equal to 2; y is larger than or equal to 0 and smaller than or equal to 2; z is larger than or equal to 0 and smaller than or equal to 4; x+y+z=4; the non-ionic surfactant is at least one of the periodic copolymers of a poly-oxyethylene ether compound, a carbon oxo alcohol ethoxy compound and an epoxy compound. The catalyst is relatively high in catalytic activity and copolymerization performance; a polymer prepared with the catalyst is relatively high in bulk density and relatively small in size distribution; the catalyst is suitable for homopolymerization of ethylene or copolymerization of ethylene and other Alpha-olefin.

The invention relates to a perovskite light emitting diode with compounds containing CH2CH2O. The perovskite light emitting diode comprises a substrate, a hole transport layer, an active light emitting layer, an electron transport layer, electrode modification layers and electrodes. The thickness of the active light emitting layer is 5-100 nanometers, the active light emitting layer comprises perovskite and the compounds containing the CH2CH2O, and the compounds containing the CH2CH2O are doped in the perovskite; the molecular formula of the perovskite is MAPbX3, FAPbX3 or CsPbX3, wherein X represents one or two of Cl, Br and I; the compounds containing the CH2CH2O are 12-crown ether-4, 15-crown ether-5, benzo-15-crown ether-5, 18-crown ether-6 and the like. The invention further providesa method for preparing the perovskite light emitting diode. The method includes: forming the hole transport layer or the electron transport layer on the substrate; modifying a perovskite precursor solution with the compounds containing the CH2CH2O on the hole transport layer or the electron transport layer to form the active light emitting layer; sequentially forming the electron transport layer,the negative electrode modification layer and the negative electrode at the top of the active light emitting layer or sequentially forming the hole transport layer, the positive electrode modificationlayer and the positive electrode at the top of the active light emitting layer; carrying out encapsulation.

The invention discloses a natural environment-friendly kitchen cleaning agent which comprises the following raw materials in parts by mass: 2-15 parts of orange plant essential oil, 1-20 parts of C10 Guerbet alcohol ethoxylate, 0.2-5 parts of natural glucoside surfactant, 0.2-10 parts of propanediol, 0.5-10 parts of ethanol, 0.01-5 parts of citric acid, 0.01-5 parts of sodium citrate and 60-90 parts of deionized water. The invention has the following advantages: the raw materials are natural, non-toxic and non-irritating, and are very healthy for human body; the cleaning agent is green and environment-friendly; the cleaning agent is free of perfume, and the natural essential oil can emit subtle fragrance to delight body and mind and effectively remove peculiar smell; the cleaning agent has good bactericidal performance and an antibacterial effect; the microemulsion system is incombustible, thereby ensuring use safety; the pH value is weakly acidic and is consistent with the skin acidic and basic capacity of human body, thereby avoiding burning irritation; the cleaning agent is free of strong base and thickener, thereby being safer; and the cleaning agent is simple and convenient in production process, can be produced under normal temperature and achieves the advantages of low carbon content and environment friendliness.

The invention discloses a cleaning liquid which does not contain fluoride and hydroxylamine and is used for removing photoresist etching residue, and constituents thereof. The low-etching cleaning liquid which does not contain the fluoride and the hydroxylamine and is used for removing the photoresist etching residue comprises (a) hydramine; (b) solvent; (c) water; (d) phenols; (e) alkynol ethoxyl compound; (f) hydrazine and derivatives thereof; and (g) polyhydric alcohols. With the low-etching cleaning liquid which does not contain the fluoride and the hydroxylamine and is used for removing the photoresist etching residue, cross-linked and hardened photoresist subjected to hard baking, dry etching, ashing and plasma injection to cause complicated chemical change can be rapidly removed, the photoresist residue on a metal line, a through hole and a metal gasket wafer can be removed, meanwhile, no attack is generated to a substrate, such as metal aluminum, metal copper and non-metal silicon dioxide. The cleaning liquid disclosed by the invention has favorable application prospect in the field of semiconductor wafer cleaning and the like.

The invention provides a catalyst for ethylene oxide ring-opening reaction and a preparation method for an oxethyl compound. The catalyst comprises one or more of imidazole acetate, quaternary ammonium acetate and pyridine acetate. The catalyst in the execution mode of the invention is ionic liquid; the ionic liquid is under a liquid state, so that the catalyst is easily mixed with an initiator ofthe ring-opening reaction; besides, the catalytic reaction efficiency is higher under the synergistic effect of alkaline group of ionic liquid and hydrogen bond.

The invention discloses an electroless nickel plating compound brightener and a use method thereof. Each liter of aqueous solution of the brightener contains 2-4g of cerous sulfate, 10-35g of propynol ethoxylate, 100-150g of pyridinium and 14-20g of propynol. Compared with the prior art, the electroless nickel plating compound brightener can obviously improve the brightness of the electroless plating and can not affect the stability of the plating solution for electroless nickel plating.

The invention discloses a one-step preparation method and application of propargyl alcohol ethoxylate. Propargyl alcohol ethoxylate is prepared from propargyl alcohol and ethylene oxide through synthesis. The method specifically comprises the steps of adding propargyl alcohol and a quaternary ammonium alkali catalyst into a reaction kettle, carrying out nitrogen displacement and vacuumizing for several times, introducing ethylene oxide, controlling the reaction temperature at 82-88 DEG C and the reaction pressure at 0.3MPa-0.5MPa, carrying out after-treatment ageing on the product, maintainingthe temperature of the reaction kettle until the pressure of the reaction kettle no longer decreases, cooling to 60 DEG C, then neutralizing by virtue of glacial acetic acid, and removing low-boiling-point substances. Propargyl alcohol ethoxylate prepared by virtue of the one-step preparation method has lots of advantages of high conversion rate and acetylene bond retention rate, light color andthe like, and an original required distillation purification manner can be replaced, so that the amount of waste is greatly reduced, and compared with preparation methods in the prior art, the one-step preparation method is relatively environment-friendly. By applying propargyl alcohol ethoxylate to an electronickelling process, an obtained plating layer is plump, and a skip plating phenomenon isbasically avoided.

The invention discloses a crystal silicon cutting fluid. The crystal silicon cutting fluid comprises the following components including macromolecular block polyether, an alcohol wetting agent A and an alcohol wetting agent B, the macromolecular block polyether is a block copolymer of ethylene oxide, epoxypropane and epoxybutane; the alcohol wetting agent A is an alcohol modified by ethylene oxide and epoxypropane; and the alcohol wetting agent B is an alkynediol ethyoxyl compound modified by ethylene oxide, propylene oxide and epoxybutane. The crystal silicon cutting fluid provided by the invention has excellent wetting, cooling, lubricating, cleaning, chip carrying and low-foam properties, also has high permeability and antibacterial property, and can be recycled; the crystal silicon cutting fluid can effectively reduce TTV on the surface of a silicon wafer, reduce line marks, reduce friction between a diamond wire and the surface of the silicon wafer and improve the first-grade product rate; and in addition, the crystal silicon cutting fluid can effectively protect a diamond wire, reduce abrasion of the diamond wire, improve durability of the diamond wire and further improve productivity and economic benefits.

The invention provides an environmentally-friendly efficient degreasing agent. The environmentally-friendly efficient degreasing agent comprises the following components: dodecylbenzene sulfonic acid,monoethanolamine, disodium ethylenediamine tetracylate, potassium silicate, sodium hexadecyl benzene sulfonate, a corrosion inhibitor and various surfactants; furthermore, the various surfactants comprise sodium lignin sulfonate, a fatty alcohol ethoxy compound and a carbonyl alcohol ethoxy compound; and the degreasing agent is applied to a metal surface treatment process. The degreasing agent can wet the metal surface, has extremely strong permeating, dispersing, solubilizing and emulsifying effects and has extremely strong grease-removing effect; furthermore, the fineness of the degreasingagent is 8 to 12 microns, stable degreasing agent flow can be formed, large contact area is formed on a metal surface flushing station and the metal surface, the oil dirt adhesion force is significantly reduced and removal of the oil dirt is accelerated; in addition, the degreasing agent has extremely low corrosivity on metal, is green and environmentally-friendly, and can effectively protect thesurface of the cleaned material from being eroded and guarantee the healthiness of the working environment while cleaning.

The invention discloses a dye ink compatible with an original inkjet pigment ink, which comprises the following components in percentage by mass: 10-35% of a pigment, a solvent, a cosolvent, 0.05-0.3%of an auxiliary agent and water, wherein the mass sum of the solvent and the cosolvent is 10%-40%, the solvent is a monohydric alcohol or a dihydric alcohol, the cosolvent is an alcohol ether solvent, and the auxiliary agent is an alkynediol ethoxy compound. The added cosolvent and auxiliary agent have a certain synergistic effect, and after the ink is mixed with the original inkjet pigment ink under the condition that the smoothness of the ink in the successive printing process is ensured, the incompatibility (such as white exposure, ink shortage, fuzzy handwriting, nozzle blockage, no ink discharge and the like during printing) does not occur, so that the printing quality is improved. The problem that an ink-jet printer using pigment ink is incompatible after dye ink is replaced is solved.

Relating to the field of organic glass materials, the invention discloses an organic glass material and a preparation method thereof. The material comprises the following raw materials: polymethyl methacrylate, modified waste glass slag, aluminum oxide, highly dispersed white carbon black, glass fiber, N-hydroxymethyl acrylamide, polyhexanediol adipate, an ethoxylated compound, pyromellitic dianhydride, dimethyl sulfoxide, polydimethylsiloxane, an expansion agent, a clarifying agent, an initiating agent and a plasticizer. The preparation method includes: raw material mixing, heating and reaction. The organic glass material provided by the invention is simple and convenient to prepare, and has the characteristics of high flexural and compressive strength, good impact toughness, good machining properties, high temperature resistance and chemical reagent corrosion resistance, greatly widens the application fields of the organic glass material, prolongs the service life of organic glass products and improves the practicability of organic glass products, and has broad market prospects.

The invention relates to a liquid-crystal composition containing a fluoroethoxy compound. The liquid-crystal composition comprises at least one compound represented by a general formula I shown in thedescription and at least one compound represented by a general formula II shown in the description. According to the liquid-crystal composition, the compound represented by the general formula I is atricyclo compound with a 2,3-difluorobenzene structure, the structure is a liquid crystal compound with negative dielectric anisotropy and has high negative dielectric anisotropy, the negative dielectric anisotropy of the liquid-crystal composition can be effectively improved, the consumption of polar monomers is lowered, the consumption of low-viscosity monomers is increased, the rotational viscosity of the system is lowered, and the response time is shortened; and the compound represented by the general formula II has relatively high negative dielectric anisotropy and excellent intersolubility. The liquid-crystal composition provided by the invention has low rotational viscosity, good low-temperature intersolubility and rapid response time and is applicable to VA liquid-crystal displaydevices such as VA/MVA/PVA/PSVA and IPS and FFS mode liquid-crystal display devices. The liquid-crystal composition is very effective to improvement on response time of liquid-crystal displays.

The invention relates to a glass fiber antistatic composition, which belongs to the technical field of glass fiber surface treatment. The composition comprises 1-35 parts by mass of an antistatic agent, 55-99 parts by mass of a polar organic solvent, and 0.02-1 part by mass of a wetting agent, wherein the wetting agent is an alkynediol ethyoxyl compound; the polar organic solvent has volatility. The invention also relates to application of the antistatic composition in preparation of antistatic glass fibers. Compared with the prior art, the composition has advantages that the composition can achieve uniform coating of the antistatic agent, the antistatic performance of the glass fibers is remarkably improved, and the problem that the product quality is influenced due to the fact that the dispersity of the glass fibers is reduced as moisture of an existing antistatic agent is not easy to volatilize can be avoided.

The invention discloses a low-VOC anti-rust oil used for thermal treatment of a precise thin-wall bearing of a robot. The anti-rust oil is prepared from Yubase 4 Plus, 5# white oil, palm oil, Span 80,Span 85, Tween 80, an ethylene a-olefin copolymer, C12-15 alkanol polyether-2, an isomerous C13 alcohol ethyoxyl compound, diethylene glycol monobutyl ether, 3-methoxy-3-methyl-1-butanol, Irganox L 57 and Irganox L64. The anti-rust oil is low in VOC content, excellent in thermal decomposition performance and good in anti-rust performance.