59 results about "Cobalt octoate" patented technology

Improved oxygen barrier and oxygen absorbing compositions and structures comprising blends of xylylene group-containing polyamides and cobalt octoate and xylylene group-containing polyamides, polyesters and cobalt octoate are disclosed and claimed. These blends have superior barrier properties and clarity obtained by controlling the degree of orientation and the amount of cobalt. These novel blends are used as single layers and as the core layer in multiple layer films, structures and articles. When used in multiple layer structures, the adjacent layers are comprised of polyesters and/or polyamides. The structures made from the blends of the present invention have a clarity that is superior to structures previously known in the art.

The present invention comprises a blend of polyester and a partially aromatic polyamide with an ionic compatibilizer and a cobalt salt. This blend can be processed into a container that has both active and passive oxygen barrier and carbon dioxide barrier properties at an improved color and clarity than containers known in the art. The partially aromatic polyamide is preferably meta-xylylene adipamide. The ionic compatibilizer is preferably 5-sodiumsulfoisophthalic acid or 5-zincsulfoisophthalic acid, or their dialkyl esters such as the dimethyl ester (SIM) and glycol ester (SIPEG). The cobalt salt is selected form the class of cobalt acetate, cobalt carbonate, cobalt chloride, cobalt hydroxide, cobalt naphthenate, cobalt oleate, cobalt linoleate, cobalt octoate, cobalt stearate, cobalt nitrate, cobalt phosphate, cobalt sulfate, cobalt (ethylene glycolate), or mixtures of two or more of these. The partially aromatic polyamide is present in a range from about 1 to about 10 wt. % of said composition. The ionic compatibilizer is present in a range from about 0.1 to about 2.0 mol-% of said composition. The cobalt salt is present in a range from about 20 to about 500 ppm of said composition.

The invention relates to a four-component fuel hypergolic with 70%-98% of hydrogen peroxide. The fuel is a novel non-toxic hypergolic miscible fuel (NHMF). Aiming at the conditions that some problems exist in formulas and problem-free formulas do not open to the public in the prior art, the fuel takes alkyl-substituted alcamines compounds such as cobaltous acetate tetrahydrate, cobalt iso-octoate or cobalt acetylacetonate as main catalysts, takes dimethylethanolamine, diethylethanolamine, diisopropylethanolamine, dibutyl eth-anolamine as auxiliary catalysts, takes ethanol, propanol or butanol as a solvent, and takes aviation kerosene as an incendiary agent, and the four components are evenly mixed into an unsaturated solution. The novel fuel has the advantages of being non-toxic actually, not prone to aging and deterioration, high in specific impulse, short in ignition delay period, hypergolic and storable, capable of being applied to liquid rockets, igniters and fuel/ air explosives, and the like; and is hypergolic with hydrogen peroxide with the relative high concentration.

The invention provides a manufacturing process of a cloisonne amber crystal drawing, comprising the following steps: firstly cutting a timber into wood blocks of 40 centimeters to 50 centimeters by special apparatus followed by polishing, fork joint bonding the wood blocks to shape a base board, then bonding a base frame and the base board; scanning a master drawing into a computer, printing the master drawing on the base board by a laser transfer machine; then coating adhesive sericin on a base body, cementing metallic threads on the base body; using an enamel-filling tube to evenly and flatly distribute the colored enamel on the drawing; finally polishing the drawing for twice to three times, drying for 30 minutes to 12 hours. The process takes unsaturated crystal resin as the main material and curing agent ethyl methyl ketone and accelerant iso-cobalt octoate as the accessory material, and at a temperature between 10 DEG C and 20 DEG C, the ingredient ratio is as follows: 8-12kg of unsaturated crystal resin, 14-16g of curing agent ethyl methyl ketone, and 0.7-1.4g of accelerant iso-cobalt octoate. Each product manufactured by the process in the invention is a piece of decoration product and a fine handicraft works having decorating, admiring and collecting values.

The invention discloses artificial agglomerated stone imitating natural cracks. The artificial agglomerated stone comprises the following raw materials: calcium carbonate coarse sand, superfine calcium carbonate powder, unsaturated polyester resin, toner, titanium dioxide, methyl ethyl ketone peroxide, cobalt iso-octoate, a coupling agent, styrene, octadecanoic acid, sodium phenylpropionate and glycerol. Octadecanoic acid and sodium benzoate generate composite acid modification, and glycerol and styrene are added according to a ratio, so that the unsaturated acid content in the unsaturated polyester resin is reduced, the impact resistance of the unsaturated polyester resin is improved, the cracking condition of the artificial stone in the production process is reduced, and the defective rate of the artificial stone product is reduced; the base material is spread into the mold paved with the auxiliary material through the material distributing machine, and the auxiliary material and the base material in the mold can be molded into an artificial stone blank with imitated natural cracks through the artificial stone vibration molding machine in a vibration pressing manner, so that different crack patterns are presented on the artificial stone blank, and the appearance diversification of the artificial stone is improved.

The invention discloses an electrostatic spraying PE op-coat paint which comprises three components, wherein a main agent comprises air-dried unsaturated polyester resin, ethyl acetate, acetone, styrene and an organic silicon flatting agent; an accelerant is selected from one or two of cobalt iso-octoate and cobalt naphthenate; and an initiator is selected from one or more of benzoyl peroxide, tert-Butyl peroxybenzoate and methyl ethyl ketone peroxide. The preparation method comprises the steps of preparing the main agent firstly under the condition that the weight ratio of the main agent to the accelerant to the initiator is 100: (1-3): (1-3); after the main agent is uniformly mixed, adding the accelerant, and uniformly stirring; and then adding the initiator, and uniformly stirring the obtained mixture, so that the obtained mixture can be subjected to electrostatic spraying. According to the invention, the resistance is controlled by using metal cobalt ions and a high polar solvent acetone under the condition of not using additional conductive agents, so that an effect of electrostatic spraying is achieved, and complex workpieces can be subjected to construction conveniently, thereby lowering the construction difficulty and improving the work efficiency.

The invention discloses polyester finishing coat for a colourful stainless steel plate of a mobile phone shielding case and a preparation method of the polyester finishing coat. The polyester finishing coat for the colourful stainless steel plate of the mobile phone shielding case is prepared from the following raw materials in parts by weight: 80-100 parts of unsaturated polyester resin, 2-3 parts of dibenzoyl peroxide, 5-10 parts of phenylethylene, 3-6 parts of butyl acetate, 0.2-0.4 part of dibutyltin dilaurate, 0.1-0.2 part of cobalt iso-octoate, 0.3-0.5 part of N,N-dimethylaniline, 3-5 parts of nano titanium dioxide, 5-10 parts of composite filler, 20-30 parts of phthalo blue, 0.4-0.6 part of Tego 750W wetting dispersant, 0.2-0.3 part of Ruifu L-520 defoaming agent and 0.5-0.8 part of BYK-340 levelling agent. The polyester finishing coat has high gloss, high adhesive force, high abrasive resistance and high hardness and is excellent in solvent resistance, water resistance, oil resistance, acid and alkali resistance, chemical resistance and weather resistance, film is full, surface can be polished, decorative property is high, flexibility is good, impact resistance is high, fragility is low, and the requirements of finishing coat for the colourful stainless steel plate of the mobile phone shielding case can be completely met.

The invention discloses a high-efficiency and flame-retardation glass fiber reinforced plastic composite material. The high-efficiency and flame-retardation glass fiber reinforced plastic composite material comprises, by weight, 18-24 parts of alkali-free glass short fibers, 12-17 parts of epoxy vinyl resin, 0.4-1.1 parts of a flame retardant, 0.7-1.8 parts of cobalt octoate, 3-6 parts of aluminum hydroxide, 9-16 parts of hydrogen peroxide, 0.3-0.6 parts of dicyclopentadiene, 0.03-0.2 parts of hexamethylenetetramine, wherein the epoxy vinyl resin is one of bisphenol A epoxy vinyl ester resin and phenolic epoxy vinyl ester resin, and the flame retardant is polyphosphamide. The glass fiber reinforced plastic composite material has good chemical stability, strength and flame retardation effect.

An anticorrosion paint is made from, by weight, 4 to 8 parts of maleic anhydride, 6 to 9 parts of stannous chloride, 1 to 4 parts of sodium borate, 12 to 18 parts of dispersant, 11 to 16 parts of leveling agent, 13 to 17 parts of pollution-resistant aid, 7 to 14 parts of flame retardant, 6 to 12 parts of linseed oil, 8 to 13 parts of pentaerythritol, 4 to 6 parts of cobalt caprylate, 3 to 7 parts of abietic diacid, 4 to 8 parts of talcum powder, 9 to 15 parts of asphalt, 2 to 4 parts of hydroxyethyl cellulose, 6 to 9 parts of acrylic ester, and 3 to 6 parts of polysiloxane. The anticorrosion paint is excellent in corrosion resistance, good in wear resistance, heat tolerance and buckling resistance and free of environmental pollution.

The invention discloses a low-viscosity flame-retardant polyurethane metal paint. The paint comprises the following raw materials in parts by weight: 80 to 85 parts of modified polyurethane, 6 to 9 parts of aqueous organic silicone resin, 12 to 15 parts of aqueous aldehyde-ketone resin, 22 to 25 parts of talcum powder, 3 to 6 parts of bentonite, 5 to 8 parts of kaolin, 8 to 12 parts of calcium carbonate, 10 to 14 parts of nano magnesium hydroxide, 3 to 4 parts of antiseptic, 2 to 3 parts of antifoaming agent, 2.5 to 4 parts of flatting agent, and 5 to 6 parts of pigment; wherein the modified polyurethane is prepared from the following components: polyhexanedioic acid-1,4-butanediol ester diol, polytetrahydrofuran, N,N-bis(2-hydroxyethyl)amino methylene diethyl phosphonate, modified polymerized 1,6-hexamethylene diisocyanate, 1,6-hexanediol, 1,4-butanediol-sodium sulfonate, epoxy resin, cobalt octoate, N-methyl diethanolamine, and diethanolamine, and modified polymerized 1,6-hexamethylene diisocyanate is prepared by the following steps: polymerizing 1,6-hexamethylene diisocyanate and then grafting hydroxyl siloxane to the polymerized 1,6-hexamethylene diisocyanate.

The invention discloses a high wear resistance high strength nano resin material comprising a main raw material of unsaturated resin, a stabilizer, a toughening agent, a plasticizer, a colorant, a flame retardant and other additives are added, after solidification effect of catalysts of methyl ethyl ketone and cobalt isooctanate, the unsaturated resin is mixed with other additives, and 8%-12% of SiC nano powder, 2%-5% of far infrared nano material particles with the wave length of 8-15 micron, carbon nanotubes (CNTs) with methyl methacrylate (MMA) grafted on the surface and surface-hydrophobic-modified nano TiO2 are added; the high wear resistance high strength nano resin material is obtained by a production line of the process of coating a sheet-shape continuous substrate, rolling, extruding or squeezing; and a further improvement is that the far infrared nano material particles with the wave length of 8-15 micron are selected from titanium dioxide, zinc oxide and silicon oxide. The high wear resistance high strength nano resin material has the advantages of high strength, high wear resistance and good antibacterial, antistatic and health care functions.

The invention discloses plastic containing colophony powder and polyvinyl chloride. The plastic comprises raw materials in parts by weight as follows: 100-106 parts of ammonium polyphosphate, 1.3-2 parts of glacial acetic acid, 1.3-2 parts of ethyl cellulose, 3-4 parts of tetraethoxysilane, 16-20 parts of dodecafluoroheptyl-propyl-trimethoxysilane, 30-34 parts of 90-95% ethyl alcohol, 160-200 parts of a 0.5 mol/l aniline aqueous solution, 5-10 parts of sodium peroxide, 460-500 parts of polyvinyl chloride, 2-3 parts of colophony powder, 6-10 parts of calcined gypsum powder, 2-3 parts of PTMG, 0.1-0.12 parts of cobalt iso-octoate, 13-18 parts of iso-octyl methacrylate and 1-2 parts of ammonium sulfate. According to the plastic, firstly, surface coating is performed on the ammonium polyphosphate with a sol-gel treatment technology, the surface strength and the water resistance are improved, then polyaniline coating is performed, the flame retardance and the thermal decomposition performance are improved, and the dispersity and the compatibility of an additive in the plastic are effectively improved.

The invention discloses a knitting machine cross beam and a production process thereof. The cross beam comprises a cross beam body, wherein a first groove is formed in the left side of an inner cavityof the cross beam body, a second groove is formed in the top of the cross beam body, a convex plate is fixedly connected to the rear side of the cross beam body, and five fixing holes are formed in the top of the convex plate. Preferably, a production formula of the cross beam of the knitting machine comprises raw materials as follows: 65%-70% of epoxy resin, 1%-2% of a cobalt octoate promoter, 2%-4% of a methyl ethyl ketone peroxide curing agent, 10%-14% of glass fiber and 5%-7% of polyurethane rubber. The problem that a finished product cannot meet the actual demands since the existing knitting machine cross beam and the production process thereof are backward is solved; the knitting machine cross beam and the production process thereof have the advantage that the use is convenient, andthe produced cross beam has high wear resistance, high mechanical strength, low production cost and long service life, meets the actual demands of enterprises and promotes further development of knitting machines.

Environment-friendly paint is made of, by weight, 15-24 parts of thermoplastic acrylic resin, 2-5 parts of defoamer, 6-11 parts of weather-fastness pearl powder, 7-9 parts of ester solvent, 15-24 parts of rosin diacid, 4-7 parts of cobalt caprylate, 4-6 parts of cobalt iso-octoate, 7-8 parts of glycerin, 3-7 parts of inorganic antibacterial micro powder, 6-8 parts of ferrum dioxide nanoscale micro powder, 4-7 parts of water soluble resin, 11-17 parts of butyl stearate, 6-10 parts of acrylonitrile, 3.5-10 parts of unsaturated oleic acid, 2-5 parts of sodium phosphate powder, 7-10 parts of chromic anhydride, 1-4 parts of absorbent and 1.3-5 parts of polyhydric alcohol. The environment-friendly paint has the advantages that the environment-friendly paint is non-toxic, less harm to environment and human body, good in adhesion and acid-base resistance and wider and wider in application range.

The invention discloses a wood fiber modified enhanced unsaturated polyester composite and a preparation process of the wood fiber modified enhanced unsaturated polyester composite. The wood fiber modified enhanced unsaturated polyester composite is characterized by taking vinyl isocyanate, poplar powder, cobalt octoate, methyl ethyl ketone peroxide, KH550, ammonium polyphosphate, melamine, expansible graphite, encapsulated red phosphorus, and a crylic acid solution as raw materials. The poplar powder is soaked in the crylic acid solution and the KH550/ethanol solution, the dispersity of a modified wood fiber in a matrix is high, the compatibility of the modified wood fiber is high, and the interface bonding performance with the matrix is improved; and the tensile strength, the bending strength and the impact toughness of the composite are improved, and the mechanical properties and the heat resistance of the composite are improved. After being activated and modified by melamine, ammonium polyphosphate is mixed and ball-milled with expansible graphite and encapsulated red phosphorus, the materials mutually produce a synergistic effect, and a composite flame retardant is obtained and used for improving the flame retardant property of the composite.

The invention belongs to the technical field of accelerators, and particularly relates to an unsaturated polyester resin accelerator as well as a preparation method and application thereof. The unsaturated polyester resin accelerant is prepared from the following raw materials in percentage by mass: 69 to 89.5 percent of methanol, 0.5 to 1 percent of copper acetate, 5 to 10 percent of cobalt iso-octoate and 5 to 20 percent of water. The invention also provides a preparation method of the unsaturated polyester resin accelerator, which comprises the following steps: mixing methanol, copper acetate, cobalt iso-octoate and water, and stirring for 30-60 minutes to obtain the unsaturated polyester resin accelerator. The accelerator product system is stable, the layering phenomenon cannot occur after long-time standing, and the problem of layering of an existing accelerator system is solved. A resin product prepared from the accelerator is good in curing effect and high in hardness, and the phenomenon that the resin is sticky to hands and becomes soft is avoided. The unsaturated polyester resin accelerator can shorten the gelling time and improve the production efficiency, the highest exothermic peak temperature in the resin curing process is similar to that of commercially available products, the curing effect is ideal, and the unsaturated polyester resin accelerator can replace existing products.