30 results about "Ethyl 3-ethoxypropionate" patented technology

Disclosed herein is an aqueous coating material comprising (A) at least one polyurethane which is ionically stabilized, nonionically stabilized, or a combination thereof, and which is saturated, unsaturated, grafted with olefinically unsaturated compounds, or a combination thereof, (B) at least one wetting agent or dispersant; and (C) at least one organic solvent selected from the group consisting of dimethyl sulfoxide, sulfolane, 2-methyl-1-butanol, 3-methyl-1-butanol, 2-methyl-1-pentanol, hexyl glycol, 1,6-hexanediol, diethylene glycol, triethylene glycol, glycerol, solutions of trimethylolpropane, solutions of pentaerythritol, solutions of sorbitol, reactive polyether polyols with a number-average molecular weight of 110 to 6000 daltons and a hydroxyl number of 25 to 1000 mg KOH/g, propylene glycol monobutyl ether, dipropylene glycol dimethyl ether, glycerol ethoxylate, ethyl 3-ethoxypropionate, gamma-butyrolactone, N-(2-hydroxyethyl)piperidine, N-methylmorpholine, N-(2-hydroxyethyl)morpholine, N-acetylmorpholine, N-cyclohexylpyrrolidone, N-octyl-2-pyrrolidone, and a combination thereof. Also disclosed is a process for preparing the foregoing aqueous coating material.

This invention is for a composition of clear or pigmented coating that is temporary and removable. It is especially designed to protect the surface of an automobile from the damaging effects of the environment and also from damage caused by normal daily use. The coating is a composition of 40 to 80% of cellulose acetate butyrate ester, 15 to 60% of an acrylic polymer and 2 to 10% of a sucrose acetate isobutyrate. The remover is a combination of tetrahydrofurfuryl alcohol, dibasic ester, diacetone alcohol, ethyl 3 ethoxypropionate; 2,2,4 trimethyl-1,3 pentanoldiol monoisobutyrate, and white mineral oil.

The invention discloses an ethyl 3-ethoxypropionate preparation method, wherein the raw materials comprise anhydrous ethanol and ethyl acrylate, and the catalyst is ethyl acrylate accounting for 0.1-20% of the weight. According to the present invention, the method has advantages of simple synthesis, mild conditions, less side reactions, substantially-simplified separation process, convenient continuous production and the like, wherein the catalyst can be recycled without the damage, and can be regenerated.

The invention discloses a flame-retardant adhesive. The flame-retardant adhesive is prepared from the following raw materials in parts by weight: 17 to 26 parts of aluminum oxide, 15 to 20 parts of halogen-free epoxy resin, 8 to 15 parts of ethyl 3-ethoxypropionate, 6 to 9 parts of alcohol soluble acrylic resin, 15 to 18 parts of an organic phosphorus compound, 3 to 6 parts of a curing promoter, 5to 8 parts of a flame retardant, 7 to 12 parts of a curing agent, 7 to 13 parts of a smoke suppressor and 4 to 9 parts of an ultraviolet absorbent. The flame-retardant adhesive is resistant to high temperature, good in flame-retardant effect, high in safety and stable in quality and contains a few of pollutants.

An adhesive used for rubber is disclosed. The adhesive is prepared from, by weight, 10-12 parts of titanium dioxide, 12-16 parts of ethyl acetate, 12-17 parts of vinyl acetate copolymerization emulsion, 12-25 parts of ethyl 3-ethoxypropionate, 12-17 parts of N,N-ethylene bis-stearamide, 5-10 parts of zinc oxide, 6-10 parts of an aqueous solution of polyvinyl alcohol, 5-10 parts of a filler, 13-16parts of ethanol, 12-16 parts of alumina, 3-7 parts of lemon acetic acid, 3-5 parts of a curing agent and 4-6 parts of modified resin. The adhesive has good adhesion effects, high reliability and highdurability.

The invention provides gasoline. The gasoline is mainly prepared from 20-30 parts of petroleum, 8-15 g of potassium, 5-11 g of talcum powder, 2-6 g of aluminum oxide, 1-6 g of silica gel, 1-7 g of calcium sorbate, 2-7 g of triglyceride, 1-3 g of white vanadium mint juice, 2-15 g of theophylline, 1-5 g of chondroitin sulfate, 3-7 g of collagen hydrolysate, bamboo charcoal fiber, 3-5 g of hydrogen peroxide, 4-10 g of alanine, 5-7 g of amyl alcohol, diethyl ether, butanol, 3-9 g of ethyl 3-ethoxypropionate, 1-3 g of sodium phosphate, ethyl ester, ethyl vinyl ether, 5-11 g of tricarboxylic triethylamine, 5-8 g of turpentine, 5-20 g of pearl powder, 3-9 g of yoghourt, 6-12 g of vanilla polysaccharide, 16-19 g of soy isoflavone, and 3-12 g of soy lecithin. The combustion efficiency of the gasoline is higher at the temperature of 20 DEG C below zero, and the energy is saved. The service life of an automobile is prolonged, and the wear of the automobile is reduced.

An improved desmear process for removing resin smeared on an interior wall of a through hole drilled in a resinous substrate, especially resinous substrates made from epoxy, polyimide, cyanate ester resins and bis-maleimide triazine epoxy resins. The process involves contacting the resin smear with a solvent solution to soften the resin smear, followed by treatment with an alkaline permanganate solution to remove the softened resin, and treatment with a neutralizer to neutralize and remove the permanganate residues. The solvent solution comprises a mixture of at least two solvent components, with at least one solvent component being selected from the group consisting of gamma-butyrolactone, ethyl-3-ethoxypropionate, N-ethyl-2-pyrrolidone, N-cyclohexyl-2-pyrrolidone, N-(2-hydroxyethyl)-2-pyrrolidone, and N-octyl-2-pyrrolidone. The solvent solution is selective for the softening and removal of epoxy, polyimide, cyanate ester resins and bis-maleimide triazine epoxy resins.

The electrophotographic photosensitive member includes a surface layer containing (alpha) a polycarbonate or polyester resin not having a siloxane structure at the end, (beta) a polycarbonate or polyester or acrylic resin having a siloxane structure at the end, and (gamma) a methyl benzoate, an ethyl benzoate, a benzyl acetate, ethyl 3-ethoxypropionate or a diethylene glycol ethyl methyl ether.

The invention discloses a manufacturing method of a pipe clamp. The manufacturing method of the pipe clamp comprises the following steps: performing decarburization and impurity removal treatment on 40 parts to 80 parts of iron-based alloy to obtain pure alloy; then performing upsetting to form cylindrical blank materials; unfolding a flat plate to ensure that the thickness is 2mm to 5mm; then beginning to align to each other and forging the blank materials to ensure that the density is 3 times of original density; then folding the blank materials and forging the blank materials to ensure thatthe density is 6 times of the original density; paving a layer of 30 parts to 99 parts of zinc oxide, 30 parts to 45 parts of carborundum, 3 parts to 7 parts of benzyl alcohol, 5 parts to 17 parts ofalanine, 2 parts to 15 parts of propyl pyruvate, 6 parts to 18 parts of dipropylene glycol monoalkyl ether, 6 parts to 19 parts of ethyl 3-ethoxypropionate and 21 parts to 40 parts of cocamide on thesurface at a moment of forging for the third time and directly and wholly hammering into a material; then manufacturing the blank materials of the pipe clamp; simmering for 20 seconds to 90 seconds at 200 DEG C to 239 DEG C; and finally, putting the blank material into an oxygen atmosphere and performing forging. The pipe clamp manufactured by the method disclosed by the invention is reliable inquality, long in service life, and can be used in many places; and therefore, a trouble of replacement of pipe clamps is reduced.

The invention discloses plastic for injection molding is prepared from, by weight, 30 to 40 parts of ethyl 3-ethoxypropionate, 25 to 35 parts of epoxy resin, 10 to 14 parts of aluminum oxide, 10 to 14parts of silicon dioxide, 12 to 16 parts of glass fiber, 8 to 14 parts of titanium dioxide and 6 to 10 parts of anti-aging master batch. The plastic has the beneficial effects that a product finallyprepared from the plastic has good wear resistance and heat resistance, the preparation method is simple, and the cost is low; the plastic is easier to store, stable in physical property and chemicalproperty and long in storage time.

The invention discloses a formula of a film panel. The film panel comprises the following components: acrylic resin, a surfactant, a solvent, bi-azide quinine, strong base and an etching control agent, wherein the solvent comprises ethyl 3-ethoxypropionate and trimethyl pentanediol isobutyrate; ethyl 3-ethoxypropionate takes up 20-30% of the total amount of the solvent; trimethyl pentanediol isobutyrate takes up 70-80% of the total amount of the solvent. The formula of the film panel, which is provided by the invention, has the beneficial effects that in the using process of the film panel prepared by the components, the heat resistance and the solvent resistance of photosensitive resin patterns for curing the film panel are improved; the film panel is stable in performance, and is scientific and reasonable in matching.