64 results about "Ether" patented technology

A curable resin composition including a poly(arylene ether), an allylic monomer, and an acryloyl monomer may be formulated as a powder. The resin composition exhibits improved toughness, and it is useful in thermoset processing applications where use of powdered resins is preferred.

The invention discloses a double-tail four-functional hydrophilic UV (Ultraviolet) coating hardness assistant and a preparation method thereof. The preparation method comprises the following steps: firstly, reacting polyethylene glycol monomethyl ether, isocyanate and one-generation hyperbranched polymer to form a prepolymer I, and subsequently reacting a prepolymer obtained after crylic acid monomer is reacted with isocyanate with the prepolymer I, thereby preparing the double-tail four-functional hydrophilic UV coating hardness assistant. According to the preparation method, high-functionality hyperbranched molecules are adopted as primary reaction materials, the characteristics that the hyperbranched molecules are high in functionality but low in viscosity are taken, when the prepared hardness assistant is added into an aqueous UV resin, not only is the problem that a coating is always low in curing property but high in viscosity solved, but also the water solubility of the UV resin is improved, the hardness of the aqueous UV resin is also improved, and the application range of the aqueous UV resin is widened. When non-ionic polyethylene glycol methyl ether is connected to molecules, therefore the acid-alkali resistance of the coating is improved, an emulsion system is well stabilized, and experiment shows that the effect is good.

The invention discloses a 2-amino-4-acetamino anisole synthesis process. The process comprises the following steps that in methyl alcohol, 2,4-diaminobenzene methyl ether (III) and acetic anhydride are subjected to an acylation reaction as follows under the effect of an acid-binding agent to obtain 2-amino-4-acetamino anisole (IV), wherein the mole ratio of the acid-binding agent to the 2,4-diaminobenzene methyl ether is 0.3:1-0.6:1. The synthesis process is low in energy consumption, low in cost, small in amount of solid waste and liquid waste, free of pollution, environmentally friendly, easy to operate, mild in reaction condition and high in industrial safety coefficient, the target compound yield is 86% or above (based on initial reaction raw materials), the HPLC purity is 99.0% or above, and the target compound is high in yield, good in quality, and more applicable to industrial production.

The invention provides a low-temperature electrolyte for a lithium iron phosphate battery. The low-temperature electrolyte is prepared from the following raw materials: an electrolyte lithium salt, an organic solvent and a low-temperature additive, wherein the low-temperature additive is at least one of triethanolamine, tetraethylammonium tetrafluoroborate, 12-crown (ether)-4, 15-crown (ether)-5 and 18-crown (ether)-6; and the mass of the low-temperature additive is 0.1%-5% of total mass of the electrolyte. By the low-temperature electrolyte, the low-temperature performance of the battery is effectively improved.

The invention relates to an ink resin composite used for plastic gravure printing and a preparation method thereof. The ink prepared from the ink resin composite is suitable for the non-polar substrates biaxially oriented polypropylene laminated polyethylene (BOPP) and polyethylene (PE) and the polar substrate polyethylene terephthalate (PET). The preparation method of the ink resin composite is as follows: the in-situ polymerization blending method is adopted to introduce alcohol-soluble polyurethane resin in a reaction system of the ink resin composite. The ink resin composite comprises the following components by weight percent: 30-50% of acetic ether, 8-25.5% of acrylate polymer, 8-25% of vinyl acetate polymer, 2.2-4.5% of styrene polymer, 1.5-2.5% of active functional polymer, 0.5-40% of alcohol-soluble polyurethane resin, 0.1-0.6% of initiator and 6-10% of alcohol diluent. The ink resin composite of the invention has simple preparation method, is green and environmentally friendly and has wide application prospect in the gravure printing ink.

The invention relates to the use of a composition as an agent for blowing a projected biocomponent polyurethane foam, said composition including 1-chloro-3,3,3-trifluoropropane and/or 2-chloro-3,3,3-trifluoropropene and at least one additional compound selected from among hydrochlorofluoroolefins, hydrofluoroolefins, hydrochloroolefins, hydrofluorocarbons, hydrochlorofluorocarbons, hydrocarbons, substituted or non-substituted ethers, substituted or non-substituted alcohols, substituted or non-substituted aldehydes, substituted or non-substituted ketones and substituted or non-substituted esters. Said composition has a boiling point greater than or equal to 20° C. The invention also relates to a method for manufacturing polyurethane foam on the basis of the use above and moreover relates to specific compositions that are appropriate for implementing the invention.

The invention discloses a calcium carbonate compound type flame-retardant foaming agent. The technical scheme of the foaming agent is characterized in that the calcium carbonate compound type flame-retardant foaming agent comprises light calcium carbonate, attapulgite clay powder having an air purification function, hydrogen peroxide, magnesium hydrate, sodium alcohol ether sulphate, superfine polyving akohol powder, dimethicone and water. Calcium carbonate compound type flame retardant foaming agent paste ingredients are stirred into a paste, and then the ingredients of the calcium carbonate compound type flame-retardant foaming agent are stirred into a finished product of the calcium carbonate compound type flame-retardant foaming agent. After the calcium carbonate compound type flame retardant foaming agent is stirred with water at a high speed, porous foamed slurry is formed and can rapidly isolate an inflammable material from being contacted with air, and the purposes of inflaming retarding and extinguishment are achieved; a product produced with the calcium carbonate compound type flame-retardant foaming agent not only has the effects of inflaming retarding, heat preservation, thermal insulation and sound insulation, but also has the air purification function; and the calcium carbonate compound type flame-retardant foaming agent is suitable for producing inflaming retarding and fire-extinguishing products, lightweight boards, lightweight walls and noise reduction products.

The invention relates to a method for preparing a chloroprene rubber adhesive agent. The current products contain a large amount of methylbenzene and are poisonous. The invention comprises the following steps: firstly adding the chloroprene rubber and chlorinated polyethylene into a mixed solution (the compositions are 120# solvent oil, acetic ether, butanone, acetone and methyl carbonate) and mixing; after being entirely dissolved, filling nitrogen into the reactor; then adding methyl methacrylate and vinyl acetate and heating up to 80-100 DEG C; adding benzoyl peroxide to initiate a polymerization reaction; after 2-3 hours of the polymerization reaction, adding acroleic acid and adding additional benzoyl peroxide to continue reacting for 1-2 hours; after that, stopping the filling of the nitrogen and cooling to 30-50 DEG C; then adding 2,6-ditertiary butyl-p-cresol, mixing and discharging to obtain the chloroprene rubber adhesive agent. Therefore, the chloroprene rubber adhesive agent prepared by the method of the invention is environmental-friendly and has higher bonding strength to EVA soles. The method has the advantages of simple process and can realize large-scale production.

Environmental-friendly foaming plastic and a preparing method thereof are disclosed. The plastic comprises following raw materials by weight: starch-grafted ABS, polylactic acid (PLA), poly(hydroxy ester ether), plant powder, wood fiber, a silane coupling agent KH550, aluminate, ethylene vinyl acetate copolymer (EVA), polystyrene (PS), dipentaerythritol ester PCB, glycerin, polyethylene wax, azodicarbonamide (AC), p-toluenesulfonhydrazide (TSH), nanometer calcium carbonate, superfine talcum powder, kaolin, titanium dioxide, an antioxidant 2246 and an antioxidant BHT. The plastic has good heat resistance, corrosion resistance and processing performance like traditional foaming plastic and is excellent in biodegradability so as to avoid environment pollution.

The invention discloses a preparation method of large-molecular weight perfluoropolyether acyl fluoride by negative-ion ring opening polymerization of hexafluoropropylene oxide. The negative-ion ring opening polymerization is carried out on hexafluoropropylene oxide to obtain the acyl fluoride of which the structural formula is CF3CF2 (CF2OCF (CF3)) nCOF under the condition of the composite catalyst which consists of a fluoride-containing organic solvent, alkali metal fluoride and polybasic ether, wherein the average molecular weight of the acyl fluoride is greater than 2000, molecular weight distribution is narrow, and the structure of the acyl fluoride can be converted into the structure of which the tail end is -OH, -COOH and -NH2 due to the activity of the acyl fluoride, so that the technology can be further used for the synthesis of polyester resin, epoxy resin and the like.

The invention discloses a super heat insulation coating loaded with nano titanium dioxide. The super heat insulation coating is prepared from the following raw materials in parts by weight: 38-42 parts of ethyl orthosilicate, an appropriate amount of ethanol and deionized water, 0.1-0.2 part of maleic anhydride, 0.7-0.9 part of hexamethyldisilazane, 0.4-0.5 part of 3-aminopropyl triethoxysilane, 0.4-0.5 part of nano titanium oxide, 70-75 parts of E-12 epoxy resin, 9-12 parts of ethylene glycol diglycid ether and 7-7.5 parts of triethanolamine. The coating disclosed by the invention uses silicon dioxide aerogel and has a super heat insulation property; by loading nano titanium dioxide to the aerogel, the ageing process of the aerogel is retarded, and the service life of the aerogel is prolonged; and by using hexamethyldisilazane to perform modification, the hydrophilic property of the aerogel is improved, and the phenomenon that the aerogel is broken up and degraded by absorbing water is reduced.

The invention belongs to the field of foam gap fillers, and especially relates to an ultrahigh-foaming amount polyurethane foaming agent. The ultrahigh-foaming amount polyurethane foaming agent comprises, by mass, 10-70 parts of polyether polyol I, 40-60 parts of mixed polyether polyol II, 3-5 parts of a foam stabilizer, 30-80 parts of paraffin, 3-5 parts of polyether modified polysiloxane, 2-4 parts of a catalyst, 300-400 parts of isocyanate, 40-80 parts of methyl ether, and 30-60 parts of liquefied petroleum gas. A mono-component polyurethane foam gap filler keeps the foam hole size unchanged, makes the foaming amount increase by 58-70% and has a very substantial effect through adding assistants and adjusting the formula without changing the proportion of PAPI or increasing the weight of the above product.

The invention discloses epoxy emulsion cured at room temperature with high aquosity and weather resistance as well as a preparation method of the epoxy emulsion. The epoxy emulsion comprises the following components in percentage by weight: 15-20 percent of E-20 epoxy resin, 5-10 percent of E-12 epoxy resin, 1.0-1.5 percent of benzoyl peroxide, 4.0-6.0 percent of methacrylic acid, 3.0-8.0 percent of hexafluorobutyl acrylate, 0.5-2.5 percent of diacetone acrylamide, 0.5-2.5 percent of adipic acid dihydrazide, 10-20 percent of ethylene glycol monobutyl ether, 5-10 percent of n-butyl alcohol, 3.5-5.5 percent of N,N-dimethylethanolamine and 22-40 percent of water. The preparation method comprises the following steps: firstly, adding E-20 epoxy resin, E-12 epoxy resin, n-butyl alcohol and ethylene glycol monobutyl ether to be evenly dissolved; then, dipping mixed solution of benzoyl peroxide, methacrylic acid, hexafluorobutyl acrylate, diacetone acrylamide and adipic acid dihydrazide to be reacted; and adding N,N-dimethylethanolamine and water to prepare the epoxy emulsion. The epoxy emulsion and the preparation method of the epoxy emulsion have the characteristics of weather resistance, abrasive resistance, water resisting property, alkali resistance, corrosion resistance, flexibility, washable resistance, environment protection and simple preparation process.

The invention provides a preparation method of organic tin-free vinyl chloride-isobutyl vinyl ether copolymer resin (chlorine ether resin for short). The preparation method comprises the steps of adding the materials including deionized water, an emulsifying agent, a buffer agent and the like into polymerizing kettle, heating to a specified temperature, adding an emulsified mixture of the materials including vinyl chloride, isobutyl vinyl ether, deionized water, an emulsifying agent, a buffer agent, stabilizers and the like and materials including an initiator and the like in a batch or continuous manner to generate polymerization, and adding the stabilizers in the later period of the reaction, so as to obtain the organic tin-free chlorine ether resin, wherein the stabilizers are substances containing non-organic tin stabilizers with epoxy groups. The prepared organic tin-free chlorine ether resin has good thermal stability and can be applied to the fields of ink, coatings and the like of tools, foods and medical products. The preparation method has the advantages that the chlorine ether resin does not contain organic tin and has good thermal stability.

The invention discloses a high-surface magnetic flux density dry-pressed permanent ferrite magnet and a preparation method thereof. The magnet is prepared according to the method comprising the following steps: (1), adding water into a permanent ferrite pre-sintered material, performing wet ball milling, then adding a cellulose ether additive, and stirring to obtain a mixed slurry; (2), in a magnetic field, performing wet pressing moulding, drying, and crushing to obtain an oriented pre-magnetized material block; (3), adding a lubricating and bonding agent, mixing, crushing, and sieving to obtain anisotropic powder; (4), in the magnetic field, performing dry pressing moulding, sintering, and grinding to obtain the magnet. The surface magnetic flux density of the dry-pressed permanent ferrite magnet can reach 1920 Gs or above, and the magnetic performance thereof is significantly better than that of the permanent ferrite magnet obtained by the conventional dry moulding technology; according to the method, the pre-magnetizing effect is maximized, the dry pressing magnetic field strength is low, no heating is required, a technology is simple, the energy consumption is low, the cost islow, and suitability for industrial production is achieved.

The invention relates to an ultraviolet-proof anhydrous automobile-washing agent and a preparation method thereof and belongs to the field of material cleaning. The ultraviolet-proof anhydrous automobile-washing agent provided by the invention is prepared from the following raw materials in parts by weight: 15%-20% of dodecyl dimethyl benzyl ammonium chloride, 5%-10% of positive ion silicon oil, 10%-15% of fatty alcohol-polyoxyethylene ether, 15%-20% of sorbitol polyoxyethylene ether laurate, 5% of cetyl trimethyl ammonium bromide, 3% of suspending agent, 3% of water-borne wax, 3% of ethylene glycol tert-butyl ether, 30%-35% of ionized water, 2% of titanium dioxide, 2% of salicylic acid and 2% of essence. The ultraviolet-proof anhydrous automobile-washing agent provided by the invention can achieve the four-in-one purpose of cleaning, polishing, waxing and curing without using water and has excellent cleaning, curing and ultraviolet-proof effects.

The invention discloses a lightweight high-toughness military shelter structural adhesive and a preparation method thereof. The structural adhesive is prepared by compounding a component A and a component B according to a mass ratio of 100 : 20-50, wherein the component A comprises, by mass, 70-100 parts of epoxy resin, 10-20 parts of an itaconic acid-based hyperbranched polyester ether active toughening agent, 5-20 parts of a diluent, and 20-30 parts of an inorganic filler; and the component B is prepared from the following components in parts by mass: 30-80 parts of modified cardanol-based polyamine, 10-30 parts of polyamide and 1-2 parts of a coupling agent. The military shelter structural adhesive formula is suitable for bonding of honeycomb sandwich panels, polyurethane foam sandwichpanels, aluminum skin or carbon fiber plate skin and the like. The adhesive is low in viscosity, simple in curing process, high in peeling and shearing strength, high in high-temperature creep resistance and stable in quality; main raw materials are derived from renewable resources, so that the military shelter structural adhesive is more environmentally friendly, low in cost, easy to obtain and suitable for large-scale popularization and application. The invention has great application prosepct.

The invention discloses an aluminium powder paint, a spraying method of the aluminium powder paint, and a product sprayed by the method. The aluminium powder paint comprises the following components by mass percent: 30-40% of thermoplastic acrylate resin, 10-20% of cellulose acetate butyrate, 0.1-0.5% of a paint film leveling agent, 10-20% of butyl acetate, 5-10% of ethylene glycol monobutyl ether, 5-15% of xylene and 8-10% of aluminum paste. The spraying method comprises the following steps: evenly stirring the aluminium powder paint and a diluent according to a certain mass percent; spraying the diluted aluminium powder paint on the surface of a product; and drying by baking at room temperature or 50-60 DEG C. The sprayed product is obtained by employing the spraying method of the aluminum powder paint. Compared with the prior art, the aluminium powder paint provided by the invention has excellent hardness and alcohol resistance, and can cover the surface stress marks or binding line of the plastic product.

The invention discloses a preparation method of composite acrylate emulsion. The preparation method comprises the following steps: adding polyoxyethylene octyl phenol ether-10, lauryl sodium sulfate and ammonium persulfate into an emulsifying kettle; adding deionized water, stirring and dissolving, sequentially adding butyl acrylate, methyl methacrylate and methacrylic acid into a pre-emulsifyingkettle, stirring and emulsifying to obtain pre-emulsion of the monomer; sequentially adding sodium bicarbonate and deionized water into a polymerizing pot, starting stirring to dissolve, and placing in a 50 DEG C water bath; filling in a constant pressure dropping funnel, weighing 5 parts of the prepared monomer pre-emulsion, adding into the polymerizing pot, adding a modified nano-hydroxyapatitematerial, weighing ammonium persulfate and dissolving into water, slowly adding into the polymerizing pot, regulating the temperature of the water bath to 82 DEG C, slowly raising the temperature to 82 DEG C, slowly dropwise adding the monomer pre-emulsion, washing the pre-emulsifying kettle, dropwise adding into the polymerizing pot, and regulating the pH value to 8 with ammonium hydroxide, thereby obtaining the composite nano acrylate emulsion.

The invention discloses a method for preparing high-purity pristimerin by high-speed countercurrent chromatography, which includes the steps as follows: preparing a solvent system used for forming an immobile phase and a mobile phase; adjusting the flow speed of the mobile phase; and adjusting the rotating speed of a main machine. The method is characterized in that the solvent system consists of mineral ether, ethanol and water and the volume ratio of the three components is 9 to 12: 9 to 10: 1 to 1.1. The upper phase of the solvent system is the immobile phase and the lower phase thereof is the mobile phase. The method has the advantages of gentle separating condition, high separating efficiency and short separating time and can obtain high-purity pristimerin.

The invention discloses non-toxic anti-crack putty.The non-toxic anti-crack putty mainly comprises, by weight, 18-24 parts of calcite powder, 35-45 parts of shell powder, 25-32 parts of perlite, 3-6 parts of hydroxypropyl methyl celluloses, 7-13 parts of starch ether, 6-10 parts of modified seaweed, 6-12 parts of calcium carbonate, 3-4 parts of ethylenediamine, 4-7 parts of formic acid, 18-23 parts of diatomaceous earth, 7-15 parts of latex powder, 6-9 parts of sodium silicate, 4-6 parts of rosin, 3-5 parts of methyl silicone oil and 22-26 parts of water.The non-toxic anti-crack putty has the advantages that good anti-crack effects can be realized by the non-toxic anti-crack putty, the non-toxic anti-crack putty is good in adhesion, water resistance and glossiness and high in strength and is non-toxic and odorless, processes for manufacturing the non-toxic anti-crack putty are simple and are convenient to implement and suitable for factory mass production, and the like.

Provided are a coating composition for delayed release preparation capable of releasing a drug promptly in the stomach, without causing a time-dependent change, after a time (lag time) in which a solid preparation does not release the drug; and a solid preparation obtained by coating of the coating composition. More specifically, provided are a coating composition comprising at least a nonionic water-soluble cellulose ether and a cellulose-based enteric base material, wherein a weight ratio of the nonionic water-soluble cellulose ether to the cellulose-based enteric base material is from 95:5 to 65:35; and a solid preparation comprising at least a drug-containing core and the coating composition which covers the core, wherein the preparation can permit prompt dissolution of the drug in a stomach after a lag time.

The invention provides a casting paint composition prepared by industrial dust. The casting paint composition comprises the components of the industrial dust, carrier liquid, silicon carbide, alkali phenolic resin, amphiphilic cellulose ether, attapulgite, porcelainizing agent, calcium phosphate, sodium fluosilicate, polycarboxylate and acetylenic diol; and the mass parts of the components are asfollows: 100 parts of industrial dust, 40-70 parts of carrier liquid, 5-15 parts of silicon carbide, 5-15 parts of alkali phenolic resin, 0.2-0.6 part of amphiphilic cellulose ether, 2-10 parts of attapulgite, 4-12 parts of porcelainizing agent, 2-6 parts of calcium phosphate, 3-7 parts of sodium fluosilicate, 0.2-0.6 part of polycarboxylate and 0.1-0.3 part of acetylenic diol. Casting paint is prepared by fully using effective components of casting resin sand regenerative dust and thinner strength characteristic; the prepared casting paint is excellent in performances, and can meet the requirements of the casting paint; meanwhile, the recycling of the industrial dust is achieved; the environmental pollution is reduced; the production cost is reduced; and the comprehensive and cyclic utilization of resources is achieved.

The invention relates to rosin modified silicon wax and a preparing method thereof. The rosin modified silicon wax is mainly prepared from olefin, an aminosilane coupling agent, a rosin compound and an ether compound. When used in a waterproof agent, the rosin modified silicon wax is capable of effectively improving water resistance and increasing adhesive force to promote static and dynamic performance finally. The preparing method is simple and easy to operate.