505 results about "Methyl ethyl ketone peroxide" patented technology

The invention relates to a preparation method for a methanol oil additive and the methanol oil thereof. The compound additive consists of the components of the following weight percentages; 30 to 50 percent of isopropanol, 10 to 20 percent of tertiary butyl alcohol, 1 to 5 percent of butyl acetate, 1 to 5 percent of methyl ethyl ketone peroxide, 1 to 5 percent of peroxide, 1 to 5 percent of sherwood oil, 5 to 10 percent of dimethylbenzene, 1 to 4 percent of octane enhancing additive, 1 to 5 percent of dimethoxymethane, 0.1 to 0.5 percent of antioxidizing and antigum agent, 0.1 to 0.5 percent of antiseptic, 1 to 8 percent of antiwear agent, 3 to 6 percent of waterproofing agent, 1 to 5 percent of dispersant, 1 to 3 percent of fatty acid amine, 10 to 30 percent of 120# solvent oil as well as 5 to 10 percent of ethanol. The methanol oil consists of the components of the following weight percentages: 10 to 80 percent of methanol, 0 to 85 percent of diesel oil as well as 5 to 20 percent of methanol oil additive. The methanol oil has the advantages of low cost, excellent performance, good environment protection effect, remarkable economic benefit and convenient popularization.

A fuel additive, especially for gasoline and diesel engines, has a major portion of lithium aromatic sulfonate and an organic peroxide; for example, lithium bezene sulfonate and as the peroxide methyl ethyl ketone peroxide and/or tert-butyl perbenzoate. The additives provides better mileage and better operation for internal combustion engines.

The invention discloses an artificial marble of moulded shaped fiber reinforced polymer and making method, which comprises the following parts: 32-46% insaturated polyester resin, 0.2-0.9% hardener, 0.2-1. 4% thickener, 0.6-1. 5% inner stripper, 41-46% fill, 7. 2-11. 9% glass fiber and 4. 8-6. 3% artificial colorful grain, wherein the artificial colorful grain is composed of 32-49% insaturated polyester resin, 0.5-2% methyl-ethyl ketone peroxide, 0.5-2% cobalt isooctanoic acid, 49-60% calcium carbonate and 1-4% dye. The making method of marble comprises the following steps: allocating mould plastic with those raw materials; thickening; moulding; shaping.

The present invention discloses an alumina fiber reinforced alumina ceramic matrix composite and a preparation method thereof, the alumina fiber reinforced alumina ceramic matrix composite is characterized by comprising the following raw materials by weight: 40-60 parts of alumina, 20-30 parts of clay, 10-15 parts of modified alumina fiber, 2-3 parts of antimony sulfide, 1-3 parts of beryllium oxide, 0.03-0.05 part of methyl ethyl ketone peroxide, 3-5 parts of vinyl acetate, 0.2-0.4 part of silane coupling agent KH550, 1-2 parts of microcrystalline wax, 1-2 parts of carboxymethyl cellulose, 20-30 parts of ethanol, and 30-40 parts of deionized water; the antioxidant treated alumina fiber added in the alumina fiber reinforced alumina ceramic matrix composite is used as a ceramic reinforcing phase, and has the characteristics of ceramic toughness reinforcing properties, mechanical properties, abrasion resistance, hardness and high temperature resistance, the gel casting technology used in the method can reduce the production cost, and improve the material integrity and machinability, and any shape and size of ceramic structural workpieces can be convenient to produce.

The invention relates to a plastic pipeline prepared by using bulk molding compounds. The plastic pipeline comprises the following materials in part by weight: 30-50 parts of unsaturated polyester, 0.3-0.5 part of cobalt naphthenate, 0.2-0.4 part of methyl ethyl ketone peroxide, 25-35 parts of reinforced fibers, 30-40 parts of calcium carbonate, 0.2-0.3 part of anti-static agent, 0.1-0.15 part of antioxidant and 0.2-0.3 part of pentabromo-phenol. According to the invention, the prepared unsaturated polyester fiber reinforced bulk molding compounds have the advantages of high toughness and high strength; the impact strength of the unsaturated polyester fiber reinforced bulk molding compounds is 150 kJ/m<2>, the bending strength of the unsaturated polyester fiber reinforced bulk molding compounds is 180 MPa, and the tensile strength of the unsaturated polyester fiber reinforced bulk molding compounds is 90 MPa. Through adoption of the prepared plastic pipeline, difficult problems in the prior art that the mechanical performance of the plastic material is lower and the prepared plastic pipeline, in particular a large-sized plastic pipeline, is hardly popularized and utilized in practice are solved. The plastic pipeline provided by the invention has the advantages of acid and alkali resistance, anti-corrosion property, low cost and good application prospect in the practice.

The invention discloses an environment-friendly PE gloss black piano lacquer, which comprises a main agent, a diluting agent, an accelerating agent and an initiator, wherein the main agent mainly comprises the following components in portion by weight: 75 to 85 portions of unsaturated polyester finishing paint resin, 0.2 to 0.5 portion of wetting dispersing agent, 0.8 to 1.1 portions of carbon black, 4 to 6 portions of hexamethoxymethyl melamine resin, 0.3 to 0.6 portion of anti-sagging agent, 0.02 to 0.04 portion of polymerization inhibitor, 0.2 to 0.4 portion of butanone, 13 to 17 portions of styrene, and 0.2 to 0.4 portion of levelling agent; the diluting agent mainly comprises 100 portions of the styrene; the accelerating agent contains 100 portions of cobalt naphthenate solution with6 percent of Co<2+>; and the initiator contains 100 portions of butanone peroxide solution with 10 percent of active oxygen. The environment-friendly PE gloss black piano lacquer can obtain a bright film coating without polishing, has better mechanical properties and fullness, is difficult to have cooling cracks, can solve the problem of northward transportation of south musical instruments, and simultaneously completely uses active diluting agent and is very favorable for environmental protection.

The invention relates to a preparation method of an unsaturated polyester fiber reinforced bulk molding compound and aims at providing the unsaturated polyester fiber reinforced bulk molding compound that has high strength, impact resistance and high-temperature and low-temperature resistance. The unsaturated polyester fiber reinforced bulk molding compound comprises the following materials in parts by weight: 30-50 parts of unsaturated polyester, 0.3-0.5 parts of cobalt naphthenate, 0.2-0.4 parts of methyl ethyl ketone peroxide, 25-35 parts of reinforced fibers, 30-40 parts of calcium carbonate, 0.2-0.3 parts of antistatic agent, 0.1-0.15 parts of antioxidant agent and 0.2-0.3 parts of pentabromophenol. The unsaturated polyester fiber reinforced bulk molding compound has the advantages of high toughness and high strength; the impact strength is 150kj/m<2>; the bending strength is 180MPa; and the tensile strength is 90MPa.

A pharmaceutical composition which comprises 1) a compound represented by the following general formula (1) and/or a salt thereof; and 2) a ketone such as methyl ethyl ketone. Preferably, the compound represented by the following general formula (1) is luliconazole, where R₁═R₂=a chlorine atom: where R₁ and R₂ each independently represents a hydrogen atom or a halogen atom, and at least one of R₁ and R₂ represents a halogen atom. The present invention provides a preparation excellent in solubilization stability for a compound represented by the general formula (1) and/or a salt thereof in low-temperature or high-temperature storage.

The invention provides a method used for preparing methylethyl ketone peroxide by taking an acidic ion exchange resin as a catalyst. According to the method, butanone and hydrogen peroxide are taken as raw materials, the acidic ion exchange resin is taken as the catalyst, dibutyl phthalate is taken as a diluent, after constant temperature stirring reaction, an obtained mixture is allowed to stand for separation, and an obtained oil phase is methylethyl ketone peroxide. According to the method, the heterogeneous catalyst is adopted, so that the catalyst and the reaction materials can be separated easily, and the catalyst can be recycled for a plurality of times; reaction is stable, the temperature is increased slowly, and reaction is continuous and stable; product active oxygen content is 13%, and economic value is high; application of strong such as sulfuric acid is avoided, so that corrosion on equipment is less, environment pollution is not caused, and environmental benefit is relatively high.

The invention relates to a POSS-modified flame-retardant, low-smoke and low-toxicity vinyl ester resin composition and a preparation method thereof, and belongs to the technical field of flame retardance. Vinyl ester resin is used as a raw material, one or a combination of any two or three of potassium sulfonate POSS, trapezoidal POSS and phosphorus-containing POSS is used as a flame retardant, methyl ethyl ketone peroxide or the like is used as a curing agent, cobalt isooctanoate or the like is used as an accelerator, and finally the POSS-modified flame-retardant, low-smoke and low-toxicity vinyl ester resin composition is obtained. The vinyl ester resin composition has strong flame retardance, good heat stability and good compatibility of the POSS and the vinyl ester resin, does not contain halogen, can achieve the effects of flame retardance, low toxicity and smoke suppression at the same time, and can be mixed in the molecular level; the preparation method is simple, and is suitable for mass production.

The invention relates to anticorrosion priming paint for power plant chimney, comprising unstaurated polyester base material and curing agent, and the proportion by weight between them is 100: 0.3-3. Said unstaurated polyester base material comprises: chemical-resisting unstaurated resin 20-70 (proportion by weight), cobaltic naphthenate 0.1- 1.0 (proportion by weight), alumina silicate 79.7- 28 (proportion by weight), and gas phase silica dioxide 0.2- 10 (proportion by weight). Said curing agent comprises: methyl-ethyl ketone peroxide 30- 70 (proportion by weight) and butyl benzene o-dicarboxylate 70- 30 (proportion by weight). The anticorrosion priming paint is characterized by fast curing, easy- polishing, little organic solvent discharging, strong adhesion force, simple process, convenient utilization and good corrosion resistance performance.

The invention discloses modified unsaturated polyester resin with flame retardancy and corrosion resistance. The modified unsaturated polyester resin is prepared from raw materials in parts by weight as follows: maleic anhydride, diethylene glycol, phosphoric acid, dicyclopentadiene, phthalic anhydride, maleic anhydride, propylene glycol, hydroquinone, styrene, propoxylated bisphenol A, toluene diisocyanate, modified phenolic resin, epoxy resin, isophthalic acid, oleic acid, benzotriazole, methyl ethyl ketone peroxide, cobalt isooctanoate, composite filler, a composite flame retardant, a silane coupling agent KH-550, a toughening agent, a curing agent, a leveling agent, a curing accelerator and deionized water. The invention further discloses a preparation method of the modified unsaturated polyester resin with flame retardancy and corrosion resistance. The prepared modified unsaturated polyester resin has outstanding flame retardancy and corrosion resistance.

The invention discloses a process for treating tail gases of a methyl ethyl ketone unit. The process comprises the following steps: performing dehydration and dust extraction treatment on the tail gases of the methyl ethyl ketone unit, so that the content of micro dust in the treated tail gases is less than or equal to 0.01mg/Nm<3>, and the moisture content is less than or equal to 1PPm; enabling the treated tail gases to enter a membrane reactor under the conditions of 0.1-1.0MPa and 40-100 DEG C, wherein the gas inlet speed is 0.5-5m/s, and a membrane material filled in the membrane reactor is a hollow fiber composite organic membrane; separating osmotic gas enriched in butane and permeation residue gases enriched in alcohols, ethers and methyl ethyl ketone, enabling the osmotic gas to return to a sec-butyl alcohol section to serve as a raw material, enabling one part of the permeation residue gases to return to the membrane reactor so as to be further purified, and recovering the alcohols, ethers and methyl ethyl ketone from the other part of the permeation residue gases. The method has the advantages of high efficiency, low energy consumption and the like.

The invention discloses a quick-drying unsaturated polyester resin marking coating and a preparation method thereof. The marking coating is prepared from the following raw materials in percentage by weight: 30-50 percent of modified unsaturated polyester resin, 5-12 percent of titanium pigment, 40-50 percent of quartz powder, 2-5 percent of white carbon black, 1-3 percent of kaoline, 0.5-2 percent of titanate coupling agent, 1-3 percent of cobalt naphthenate and 0.5-1.5 percent of methyl ethyl ketone peroxide, wherein the modified unsaturated polyester resin is obtained by the steps of preparing unsaturated polyester resin by performing esterification and condensation on monoester maleate end-capped by dicyclopentadiene and propylene glycol, and adding a methyl methacrylate monomer diluent into the unsaturated polyester resin. The preparation method comprises the following step of: ultrasonically mixing the components with the amount in a formula for 3-7 minutes to obtain a quick-drying unsaturated polyester resin marking coating. During construction, the cobalt naphthenate and the methyl ethyl ketone peroxide are added for curing to form an unsaturated polyester resin marked line, which has the wear resistance superior to that required by a national standard.

The invention provides a method for performing surface treatment on a neodymium-iron-boron permanent magnet material by using nano ceramic. The method comprises the following steps of: (1) polishing chamfers; (2) degreasing and removing oil; (3) acid-washing and derusting; (4) treating by using the nano ceramic, namely putting the neodymium-iron-boron permanent magnet material into a nano ceramic plating solution and performing nano ceramic treatment, wherein the nano ceramic plating solution comprises a main film-forming agent, a film-forming aid, a filler and a curing agent, the main film-forming agent is epoxy resin with an amino group or an epoxy group, the film-forming aid is at least one of methyl isobutyl ketone, methyl ethyl ketone peroxide and tert-butyl peroxyacetate, the filler is nano-silicon dioxide and/or alumina, and the curing agent is triethanolamine and/or diethanolamine; and (5) washing and blow-drying to solidify a nano ceramic plated layer. By the surface treatment method, the neodymium-iron-boron permanent magnet material can obtain excellent corrosion resistance, and the high-temperature demagnetization rate of the neodymium-iron-boron permanent magnet material is greatly reduced.

The invention relates to a diphenylmethane diisocyanate monomer addition product capped by methyl ethyl ketoxime and a preparation method thereof, which is used for directly capping the diphenylmethane diisocyanate monomer by adopting a capping agent of the methyl ethyl ketoxime and avoiding bringing impurities to components by using the capping agent. The diphenylmethane diisocyanate monomer addition product capped by the methyl ethyl ketoxime is prepared from the following components in parts by weight: 15-30 parts of methyl ethyl ketoxime, 20-35 parts of diphenylmethane diisocyanate and 40-60 parts of ethyl acetate or xylene solvent. The preparation method comprises the following steps of: capping the isocyanate monomer under a certain condition by adopting the methyl ethyl ketoxime so as to obtain a closed isocyanate monomer addition product capable of stably existing at a room temperature. The closed isocyanate monomer addition product of the invention is used as a modified component of a self adhesive and can obviously improve the adhesion strength and the storage stability of the adhesive and prolong the shelf life.

The invention provides a resin material used for preparing buttons. The material comprises the raw materials of, by weight: 80 parts of unsaturated polyester resin, 20-200 parts of inorganic powder, 2-3 parts of a curing agent, 2-3 parts of an accelerating agent, and 3-8 parts of a monomer diluent. The unsaturated polyester resin is isophthalic-type unsaturated polyester resin or bisphenol A-type unsaturated polyester resin. The inorganic powder is one or a combination of more than two selected from calcium carbonate, talcum powder, silica, and magnesium silicate. The curing agent is methyl ethyl ketone peroxide. The accelerating agent is cobalt naphthenate or cobalt isooctanoate. The monomer diluent is one or a combination of more than two selected from styrene, ethyl methacrylate, and methyl acrylate. Buttons prepared by using the material have the advantages of good mechanical properties and low cost.