152 results about "2-Ethylhexanoic acid" patented technology

Described is a method for the production of pure or mixed metal oxides, wherein at least one metal precursor that is a metal carboxylate with a mean carbon value per carboxylate group of at least 3, e.g. the 2-ethyl hexanoic acid salt, is formed into droplets and e.g. flame oxidized. The method is performed at viscosities prior to droplet formation of usually less than 40 mPa s, obtained by heating and/or addition of one or more low viscosity solvents with adequately high enthalpy.

The invention discloses a method for preparing 2-ethyl hexanoic acid by catalytically oxidizing 2-ethylhexanal by molybdovanadophosphoric acid, and relates to a method for preparing a chemical preparation. The method comprises the following steps: weighing molybdovanadophosphoric acid and dissolving the molybdovanadophosphoric acid in distilled water at first and then in hydrochloric acid to prepare a catalyst solution; adding 2-ethylhexanal and the prepared catalyst in an ordinary-pressure reaction device, slowly heating and stirring the mixture, regulating oxygen flux, and starting to introduce oxygen when the temperature rises to the reaction temperature; after the reaction is ended, separating out the aqueous phase solution on the lower layer to obtain organic phase matter on the upper layer; and depressurizing and distilling the organic phase matter to obtain colorless transparent and pungent oily liquid, 2-ethyl hexanoic acid. By changing the ratio of molybdenum to vanadium of the catalyst and optimizing the reaction condition, the conversion rate of the 2-ethylhexanal reaches above 99%, and the selection and yield of the 2-ethyl hexanoic acid reach above 98% respectively.

The invention relates to a fast cure EVA solar cell adhesive film, and overcomes the technical defects of unreasonable compatibility, slow crosslinking speed and the like in the prior art. The EVA solar cell adhesive film comprises the following matters in parts by weight: 100 parts of ethylene-vinyl acetate, 0.5-3 parts of silane coupling agent, 1-3 parts of peroxide cross-linking agent, 0.1-0.5 part of anti-oxidant, 0.1-0.5 part of heat stabilizer and 0.05-0.2 part of hindered amine light stabilizer, wherein the peroxide cross-linking agent comprises peroxide-2-ethyl hexanoic acid tert-butyl crosslinker. Compared with the prior art, the fast cure EVA solar cell adhesive film has the advantages that the temperature for lamination is lower, the lamination time is shortened and the crosslinking degree is not lowered; and fast curing can be realized, the production efficiency is effectively improved and the production cost is reduced.

A toxicological friendly antifreeze composition having improved thermal stability is provided. In one embodiment, the antifreeze composition comprises from 5 to 80 wt. % of an aqueous freezing point depressant selected from alkali metal salts of acetates, formates, proprionates, adipiates, and succinates, and mixtures thereof; 0.1 to 10 wt. % of at least one of a 2-ethylhexanoic acid, isononanoic acid and 3,5,5-trimethylhexanoic acid; and 0.1 to 10 wt. % of at least one of octanoic acid, nonanoic acid, decanoic acid, undecanoic acid, dodecanoic acid, neodecanoic acid, benzoic acid, 2-hydroxybenzoic acid, p-terbutylbenzoic acid, and mixtures thereof. In one embodiment, the composition is employed as a concentrate in admixture with 10 to 90 wt. % water.

Fluid loss materials including carboxymethylcellulose and zirconium-based crosslinkers may be employed as fluid loss materials in methods of treating subterranean formations. One method includes providing a treatment fluid including carboxymethylcellulose (CMC) and a crosslinker including zirconium, wherein the carboxymethylcellulose has a degree of substitution in a range of from about 0.5 to about 2.5, wherein the crosslinker including zirconium includes one selected from the group consisting of ammonium zirconium fluoride, zirconium 2-ethylhexanoate, zirconium acetate, zirconium neodecanoate, zirconium acetylacetonate, tetrakis(triethanolamine) zirconate, zirconium carbonate, ammonium zirconium carbonate, zirconyl ammonium carbonate, zirconium complex of hydroxyethyl glycine, zirconium malonate, zirconium propionate, zirconium lactate, zirconium acetate lactate, and zirconium tartrate, and placing the treatment fluid in a subterranean formation, wherein the treatment fluid controls fluid loss in a permeable portion of the subterranean formation penetrated by a wellbore.

The invention discloses high-adhesion thermoset acrylic resin which comprises, by weight, 18-25 parts of dimethylbenzene, 5-10 parts of n-butyl alcohol, 8-13 parts of methyl methacrylate, 15-20 parts of ethyl methacrylate, 8-13 parts of methacrylic acid ethyl ester, 15-25 parts of styrene, 8-15 parts of functionality polyester resin, 0.8-1.5 parts of functionality mix addition catalyst and 0.8-1.5 parts of grafting couplant. The functionality polyester resin comprises, by weight, 28-33 parts of neopentyl glycol, 12-17 parts of trimethylolproprane, 5-10 parts of adipic acid and 40-50 parts of isophthalic acid and is obtained through esterification synthesis by using a high-temperature melting method. The functionality mix addition catalyst is mixture of 8-12 parts of peroxidation 2-ethylhexoic acid tert-butyl ester, 20-30 parts of azobisisobutyronitrile, 50-60 parts of peroxidation tertiary butyl and 10-15 parts of tert-butyl perbenzoa. Phenomena of layering, pig skin and livering can not occur during storage and construction of paint made from the high-adhesion thermoset acrylic resin, and good adhesion is achieved when the paint is directly coated on a base material hard to attach.

The invention discloses a coating and conductive resin of a film zinc coat, which is prepared by the following steps of: weighing an organic solvent, methyl methacrylate, hydroxybutyl acrylate, hydroxyethyl methylacrylate, hydroxyethyl methacrylate phosphate, tert-butyl peroxy-2-ethylhexanoate and graphene oxide; adding 3/4 of the organic solvent and the graphene oxide into a reaction kettle A and mixing uniformly; uniformly mixing the methyl methacrylate, hydroxybutyl acrylate, hydroxyethyl methylacrylate, hydroxyethyl methacrylate phosphate and 3/4 of the tert-butyl peroxy-2-ethylhexanoate, dropwise adding the mixture into a dropwise adding tank B, and then dropwise adding into the reaction kettle A; uniformly mixing the residual organic solvent and tert-butyl peroxy-2-ethylhexanoate, dropwise adding the mixture into the dropwise adding tank B, then dropwise adding into the reaction kettle A at 113-118 DEG C, preserving heat for 0.8-1.2 hours, cooling and filtering; and performing ultrasonic treatment, adding hydrazine hydrate for reaction, filtering, washing and drying. The prepared film zinc coat has better corrosion resistance.

A metal paste comprising a mixture consisting of: metal colloidal particles, which consist of particles consisting of one or more metals or metal oxides and a protective agent for protecting the particles; and organic metallic compounds. The metal paste preferably comprising a mixture consisting of: metal colloidal particles comprising, as a protective agent, a compound having an amino group, sulfanyl group, sulfide-type sulfanediyl group, hydroxy group, or ether-type oxy group; and organic metallic compounds such as mercaptan metallic compounds or sulfide metallic compounds of α-pinene, α-terpinenol, or isobornyl acetate, abietic acid metallic compounds, neodecanoic acid metallic compounds, 2-ethylhexanoic acid metallic compounds, naphthenic acid metallic compounds, or decanoic acid metallic compounds.

The invention discloses PC anti-fog spectacle glasses and a preparation method thereof. The method includes following steps: weighing PC, 2-ethyl-2-oxazoline, 2-ethylhexyldiphenyl phosphate, polypropylene glycol, polyglycerol fatty acid ester, diphenyl sulphone, an ultraviolet absorbent, 3,4-dimethylbenzalsorbitol, tert-butyl peroxy-2-ethylhexanoate, PA6, an anti-oxidant, PA66, cumyl peroxyneodecanoate, DOP and dicumyl peroxide as raw materials, mixing the raw materials uniformly, performing an extrusion granulating process, performing solidification and an edge-deburring process, performing a film coating process, a cleaning process, a drying process and performing a test and package process. The spectacle glasses are 95-98% in light transmittance which is increased by 5-15% and is 1-3% in haze. A cantilever beam impact strength is 900-1000 J/m and a -30 DEG C notch impact strength is 18-20 kJ/m<2>. The spectacle glasses are 1.8-2.0 in a refractive index which is increased by 0.2-0.5. A bending strength is 125-130 MPa.

The invention discloses hydroxyl acrylic resin which comprises, by weight, 25-35 parts of toluene, 5-10 parts of butyl acetate, 20-30 parts of methyl methacrylate, 5-10 parts of butyl acrylate, 3-8 parts of butyl methacrylate, 3-8 parts of hydroxypropyl methacrylate, 8-15 parts of functionality polyester resin, 1-2 parts of functionality mixed addition catalyst and 5-10 parts of P-120 carbon 9 petroleum resin. The functionality polyester resin comprises, by weight, 5-10 parts of glycol, 30-40 parts of neopentyl glycol, 50-55 parts of adipic acid and 5-10 parts of fumaric acid and is obtained through esterification synthesis by using a high temperature melting method and diluted by using toluene. The functionality mixed addition catalyst is mixture of 8-12 parts of peroxide 2-ethylhexoic acid tert-butyl ester, 20-30 parts of azobisisobutyronitrile, 50-60 pats of peroxide teriary butyl and 10-15 parts of tert butyl perbenzoa. The hydroxyl acrylic resin has good adhesion when directly coated on nylon materials.

The invention discloses high-solid, low-viscosity and quick-drying odor removal alkyd resin, a method for preparing the same and application of the high-solid, low-viscosity and quick-drying odor removal alkyd resin. The high-solid, low-viscosity and quick-drying odor removal alkyd resin in a formula comprises, by weight, 15-20 parts of oleic acid, 2-4 parts of 3, 5, 5-trimethyl hexanoic acid, 2-4 parts of 2-ethylhexanoic acid, 2-4 parts of castor oil, 25-32 parts of polyacid, 18-26 parts of polyols, 3-5 parts of reflux solvents, 17-21 parts of diluting solvents and 0.5-2 parts of auxiliaries. The high-solid, low-viscosity and quick-drying odor removal alkyd resin, the method and the application have the advantages that the high-solid, low-viscosity and quick-drying odor removal alkyd resin has quick-drying and odor removal characteristics, the solvents can be quickly released when the high-solid, low-viscosity and quick-drying odor removal alkyd resin is coated, the high-solid, low-viscosity and quick-drying odor removal alkyd resin in construction sites rarely has odor and can be completely dried after being coated for 24 h, dried paint films hardly have odor, and people can hardly smell out smell and can have a sense of joy just like a sense of joy under the condition of water-based paint films; the solid content of the high-solid, low-viscosity and quick-drying odor removal alkyd resin prepared by the aid of the method is 80+/-2%, the viscosity of the high-solid, low-viscosity and quick-drying odor removal alkyd resin is 10000+/-2000 mpa.s/25 DEG C, accordingly, the high-solid, low-viscosity and quick-drying odor removal alkyd resin has high-solid and low-viscosity characteristics, the usage of diluents can be reduced when paint is prepared, the VOC (volatile organic compounds) content can be reduced and is only 350 g/L after the paint is manufactured, and tax exemption requirement on construction VOC content lower than 420 g/L after the paint is manufactured can be sufficiently met.

A neopentyl glycol diester which is a mixed ester of neopentyl glycol and carboxylic acids is provided, wherein the carboxylic acids comprising isobutyric acid as well as 2-ethylhexanoic acid and/or 3,5,5-trimethylhexanoic acid. The neopentyl glycol diester may be used in a refrigerant oil or the like which exhibits excellent miscibility with a difluoromethane refrigerant among other properties.

Thus, the present invention relates to a method for determining the organoleptic quality of a microalgal flour composition, comprising determining the total content of 13 volatile organic compounds, the 13 volatile organic compounds being heptanal, 3-octen-2-one, 2,4-heptadienal, 3,5-octadien-2-one, 2,4-nonadienal, 2,4-decadienal, hexanoic acid, 2-ethylhexanoic acid, heptanoic acid, myristate-1, laurate-1, myristate-2 and geranyl acetone.

Coating for an offset paper comprising a catalyst for fixing polymerisable or crosslinkable constituents of the offset ink. The chemical drying time can be substantially reduced if such a catalyst system is added to the coating, wherein preferentially such a catalyst is a transition metal complex/salt, like Mn (2-ethylhexanoate, bpy).

Co-dispersions of different types of graphenic carbon particles are produced using a polymeric dispersant. A portion of the graphenic carbon particles may be thermally produced. The polymeric dispersant may include an anchor block comprising glycidyl (meth)acrylate, 3,4-epoxycyclohexylmethyl(meth)acrylate, 2-(3,4-epoxycyclohexyl)ethyl(meth)acrylate, allyl glycidyl ether and mixtures thereof, reacted with a carboxylic acid comprising 3-hydroxy-2-naphthoic acid, para-nitrobenzoic acid, hexanoic acid, 2-ethyl hexanoic acid, decanoic acid and/or undecanoic acid. The polymeric dispersant may also include at least one tail block comprising at least one (meth)acrylic acid alkyl ester.

The invention discloses an aging-resistant thermos bottle comprising a liner, a housing, a bottle plug and a rubber pedestal. The liner is positioned in the housing. The rubber pedestal is used for fixing the liner. The rubber pedestal is manufactured with a modified natural rubber material. The raw materials for the modified natural rubber material comprise natural rubber, neoprene, nitrile rubber, epoxidized natural rubber, semi-reinforcing carbon black, high-abrasion furnace black, organic modified montmorillonite, zinc oxide, zinc 2-ethylhexanoate, sulfur, benzoyl peroxide, calcium stearate, an accelerator, an anti-aging agent D, an anti-aging agent RD, an anti-aging agent MB, coumarone, tricresyl phosphate, magnesium hydroxide, a silane coupling agent, cobalt boronacylate, monobutyl maleate dibutyltin, and dilauryl thiodipropionate. The aging-resistant thermos bottle provided by the invention has the advantages of excellent aging resistance, long service life, and low safety risk.

The invention discloses a process for treating and recycling industrial wastewater of peroxide-2-ethylhexoic acid tertiary butyl ester (an initiator OT), belonging to the technical field of industrial wastewater treatment. In the process, the industrial wastewater of peroxide-2-ethylhexoic acid tertiary butyl ester is directly collected from a sewage draining port of a production device and is subjected to stabilization treatment so as to basically eliminate the risk that organic peroxides in the wastewater are heated and severely decomposed, and tertiary butanol-tertiary butyl peroxide mixtures, concentrated sulfuric acid, sodium hydroxide and sodium chloride, which are recyclable, are separated and recycled from the wastewater. The wastewater subjected to removal of most organic matters and recycling of sulfuric phosphate, caustic soda and sodium chloride is subjected to hydrolysis-contact oxidation treatment, and C-Fe is subjected to micro-electrolysis decoloration, so that main water discharge indexes meet the requirements in Discharge Standards of Water Pollutants for Pharmaceutical Industry of Chemical Synthesis Products Category (GB21904-2008) for discharge limits of water pollutants for new enterprises. Therefore, the treatment of the peroxide-2-ethylhexoic acid tertiary butyl ester and the recovering and recycling of pollutants in the wastewater are realized.