34 results about "Cobalt(II) naphthenate" patented technology

An enhanced anaerobic adhesive composition containing microencapsulated metal ions is disclosed. Microencapsulated metal ions, such as iron oxide, copper naphthenate, cobalt naphthenate, ferrocene, and ferrocene derivatives, act as bonding sites in the composition, such that the composition achieves more complete polymerization in a shorter curing time. The curing properties and the cure quality are significantly improved by the inclusion of microencapsulated metal ions. The composition can be used to bond metal and plastic substrates.

A process for preparing artificial stone and artificial luminous stone includes such steps as proportionally adding phthalate and tetramethyl (or pentamethyl) derivative to unsaturated resin, stirring, adding the vinyl derivative of benzene, stirring, adding MMA, high-speed stirring, adding filler, pigment, modified resin, methylethyl ketone peroxide and cobalt nephthenate, stirring, filling the mixture in mould, vacuumizing, heating at 50-70 deg.C for 1-3 hr, heating at 75-85 deg.C for 1-3 hr, natural cooling, and demoulding. Its products are also disclosed.

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.

Highly effective diesel fuel additive and its production method, wherein the components and weight content are, toluene 25-45 parts, diesel fuel 25-50 parts, camphor 4-11 parts, refined naphthalene 10-20 parts, isopropyl alcohol 0.5-2 parts, benzenemethanol 1-3 parts, ferrum naphthenate 12-25 parts, cobaltic naphthenate10-25 parts, manganese naphthenate 45-90 parts, calcium naphthenate 40-90 parts. The preparation process comprises the steps of mixing toluene and diesel fuel, heating camphor and refined naphthalene, charging the mixed liquid of camphor and refined naphthalene into container containing toluene and diesel fuel, mixing with isopropyl alcohol and benzene methanol to obtain concentration liquid, weighing and mixing ferrum naphthenate, manganese naphthenate, cobaltic naphthenate and calcium naphthenate, mixing the concentration liquid with the four raw materials.

A benzoic acid production method solves the technical problems of the existing production method such as long reaction time, long rectification separation time, low yield, high energy consumption, high cost, low product output and poor quality. In the production method, cobalt naphthenate is used as a catalyst to oxidize toluene and then the product obtained in the oxidation reaction is rectified to obtain the final product. The oxidization time is 8 to 10 hours, the reaction temperature is 155 to 165 DEG C and the reaction pressure is 0.55 to 0.62MPa; the rectification separation time is 4.5 to 7 hours, the rectification temperature is 177 to 190 DEG C, the rectification pressure is -0.09 to -0.085MPa and the reflux time is 0.5 to 1.5 hours. The invention with simple process, short flow, low energy consumption and no pollution can be used in the large-scale production of benzoic acid.

The invention provides a preparation method of Esomeprazole and a preparation method of Esomeprazole sodium, and (1S,2S)-(-)-1,2- hexamethylene diamine-D-tartrate is used as a chiral ligand, cobaltous naphthenate is used as catalyst, and Esomeprazole is prepared by asymmetric oxidation of 2-(((4-methoxy-3,5-dimethyl-2-pyridyl)methyl)sulfur-base)-1H-benzimidazole under the effect of catalyst with catalysis amount, and the prepared Esomeprazole has a better stereoselectivity and generation of peroxide sulfone is avoided. Simultaneously, sodium hypochlorite or sodium peroxide are used as oxidizing agent for preparing Esomeprazole sodium, and the sodium containing compound in the reaction process is used as oxidizing agent and sodium source, thereby the oxidation reaction and the salt forming reaction can be completed in the same reaction system with simple synthesis process.

The invention provides a glass fibre/vinyl ester resin composite material with interface modification by nanometer SiO2 and a preparation method thereof. The method comprises the following steps: (1) nanometer SiO2 and a silane coupling agent are dispersed into ethanol, supersonic wave oscillation is carried out for dispersion, stable nanometer SiO2 suspending liquid is formed for standby; (2) glass fibre is immersed with ethanol for cleaning the surface, the nanometer SiO2 suspending liquid is filled in a spray gun, the spray gun sprays the suspending liquid on the prepared glass fibre, the glass fibre is placed at a room temperature, after ethanol is fully volatilized, the nanometer SiO2 modified glass fibre is prepared for standby; (3) methylethyl ketone peroxide, N,N-dimethyl formamide, cobaltous naphthenate are added into vinyl ester resin, vacuum-pumping and uniform stirring are carried out, in order to obtain a vinyl ester resin mixture; (4) the nanometer SiO2 modified glass fibre obtained in the step (2) is placed in a die, the vinyl ester resin mixture prepared in the step (3) is gradually added into the die, and solidification is carried out. The preparation method is simple and has good effects.

The invention relates to a PMMA (Polymethyl Methacrylate) type two-component road marking material and a preparation method thereof. The PMMA type two-component road marking material is prepared from the following raw materials in percentage by mass: 40% of liquid PMMA resin, 15% of rutile titanium dioxide, 36% of 325# calcium carbonate, 0.5% of a BASF (Badische Anilin Soda Fabrik) antioxidant, 1.5% of an organic anti-settling agent, 0.5% of a BYK surface wetting agent, 2.5% of organic pigment, 0.3% of a molecular weight regulator, 1.5% of a plasticizer, 0.5% of a permeation aid, 0.2% of an acid value balancing agent and 1.5% of high-cobalt naphthenic acid-containing cobalt. The PMMA type two-component road marking material has the beneficial effects that the problems of poor weather fastness, slowly drying property and initial properties of the materials are solved; the product is green and environment-friendly material; and the PMMA type two-component road marking material as a novel material with low carbon emission is convenient to use, high in construction efficiency, simple to prepare and easy to operate.

A phenolic aldehyde varnish comprises, by weight, 4-6 parts of light calcium carbonate, 70 parts of phenolic aldehyde paint, 6-8 parts of tung polymerized oil, 6-8 parts of solvent naphtha 200, 0.5-0.6 part of 2% cobaltous naphthenate, 0.5-0.6 part of 2% manganese naphthenate, 0.8-1 part of 10% lead naphthenate and 6-8 parts of pigment scarlet powder. The invention has advantage that the enamel is suitable for surface coating of indoor woodenware in building engineering, traffic tool and machinery equipment, and metal manufacturing; besides the varnish has a good effect and low production cost.

The method relates to a coating capable of quick-drying at normal temperature and resisting corrosion and a preparation method thereof. The coating comprises the following components by weight ratio: 80 parts of liquid maleate polybutadiene, 10 parts of ethylene glycol dimethacrylate, 10 parts of tetrahydrofurfuryl alcohol, 80 parts of titanium dioxide, 1.0 part of cobalt naphthenate and 2.5 parts of methyl ethyl ketone peroxide. The coating consisting of organic matters is prepared by mixing the components and has the following superior physical properties: the coating is dry-to-touch within 3h and completely cured within 6h with the thickness of the cured coating being mum at room temperature; the pencil hardness of the coating is 2H; the impact strength thereof is higher than 50 according to the Dupont impact tester; the adhesion thereof is 7.5mm according to the Erichsen tester; the coating is qualified according to the cross-cut test; and the coating is corrosion resistant, particularly, no abnormality like rust is detected after 200h, the coating is qualified according to the waterproof test at 40 DEG C after 400h, and no abnormality is detected according to the test in the water solution of sodium hydroxide (5%) at room temperature for 24h. Accordingly, the coating of the invention constituting a low-viscosity high-build coating capable of self-curing at normal temperature is applicable as anti-corrosive and protective coatings in the construction based on the conventional coating construction method.

The invention discloses a teflon-modified vinyl terrace paint, which is shortly named as a FVC terrace paint. The paint is composed of a component A, a component B and a component C, wherein the component A is prepared by nine substances such as vinyl resin, teflon resin, pvc resin, and an anionic carboxylic acid polymer dispersant; the component B is methylethyl ketone peroxide and the component C is cobaltous naphthenate, while in use, the teflon-modified vinyl terrace paint is prepared by weight ratio of the component A to the component B to the component C being 100: 1.5-4: 1.5-4. The invention also discloses a formula and a making technology for making anticorrosion terrace by using the teflon-modified vinyl terrace paint. The paint has the characteristics of excellent chemical medium corrosion resistance, weatherability, oiliness resistance, water resistance, and good machinery performance and application property, usage life is long, cracking resistance performance is good, and the paint can be used in the chemical, pharmacy, petroleum and food industries as a protection material for a matrix surface layer of a concrete floor, metope building structure and a member.

The present invention relates to a smoke-eliminating combustion-supporting additive for diesel oil and heavy oil, its composition includes 1-10% of oil soluble nano iron, 5-255 of cobalt naphthenate, 10-30% of barium naphthenate, 5-10% of polyisobutylene succinimide, 1-5% of long-chain fatty acid and the rest is solvent. Said invention also provides its preparation method, and can obtain obvious fuel-saving effect, can be up to 5-20% of can reduce discharge of dust smoke by 30-60%.

The invention belongs to the technical field of an adhesive, and concretely relates to a light stability sealant used for glass fiber reinforced plastic and a preparation method thereof. The light stability sealant comprises light stability sealant unsaturated polyester resin, cyclohexanone peroxide, cobaltous naphthenate, styrene paraffin liquid, octyldodecyl myristate, monoglyceride and triethanolamine according to a certain ratio; a unsaturated polyester resin acid value of the light stability sealant is 45 mg KOH/g, the viscosity is 69 pa.s, and the light stability sealant is specially prepared. The light stability sealant is transparent, and the adhesive property is good.

The invention discloses a synthesis method of a bagasse xylan gallic acid trimesic acid diesterified derivative. Bagasse xylan is used as raw materials; N, N-dimethylformamide is used as a solvent; ammonium persulfate is used as a catalyst; firstly, catalytic esterification reaction is performed with triacetyl gallate chloride to synthesize the bagasse xylan gallate; then, in the N, N-dimethylformamide solvent, with the existence of dewatering agents of N, N-dicyclohexylcarbodiimide, second step of catalytic esterification reaction is performed with trimesic acid under the catalysis effect ofcobalt naphthenate; the bagasse xylan gallic acid trimesic acid diesterified derivative is synthesized. The bagasse xylan diesterified derivative has the dual activity of the bagasse xylan gallate andthe bagasse xylan trimesic acid ester. The dual-active bagasse xylan derivative subjected to chemical modification has certain effects in aspects of anti-HIV activity, anticoagulant activity, platelet aggregation resistance and the like; high application values are realized in the fields of medicine, food, fine chemical engineering and the like.