118 results about "Metallacarboxylic acid" patented technology

The present invention has its object to provide a curable composition which has good curability and adhesiveness while containing an organotin-free catalyst. The present invention provides a one package curable composition which comprises (A) a polyoxyalkylene polymer having a silicon-containing group capable of crosslinking by forming a siloxane bond, (B) a (meth)acrylic ester polymer having a silicon-containing group capable of crosslinking by forming a siloxane bond and compatible with the component (A), and (C) (c1) a carboxylic acid of which the carbon atom adjacent to a carbonyl group is a quaternary carbon, and/or (c2) a metal carboxylate of which the carbon atom adjacent to a carbonyl group is a quaternary carbon.

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.

An environment protective and water penetrative plastic trick involves a polymer material, consisting of adhesive, pigment for spraying adhesive, catalyst for carboxylic salt, black waste rubber granules, and color EPDM granules. It is constructed by: making mono-component polyurethane as primary agent to bind recovered rubber granules; mixing with catalyst and stirring uniformly; mechanically spreading; curing at atmosphere - 70 deg.C to form a plastic layer with thickness of 4 - 10mm; and then spreading well-mixed polyurethane adhesive, color EPMD granules and catalyst to form a top plastic layer, finally curing to form the said trick with a plastic layer and a cement substrate. The construction are not only available for tricks, but also for other pavements with low cost, high strength, large extension rate, and good penetration. It can be constructed mechanically and effectively with good flatness.

The invention discloses a PVC heat stabilizer of metal carboxylate of pentaerythritol ester and a preparation method thereof. The heat stabilizer has the following structure: M is Ca2+, Mg2+ or Zn2+, n is equal to 3-8, and R1 and R2 are -CH2C(CH2OH)2CH2OCH2C(CH2OH)3 or -CH2C(CH2OH)3; the heat stabilizer is formed as follows: salt forming reaction is carried out on one carboxylic acid group of dicarboxylic acid and oxides or hydroxides of zinc, calcium and magnesium, and esterification reaction is carried out on the other carboxylic acid group of the dicarboxylic acid and pentaerythritol or dipentaerythritol. The heat stabilizer is solid which can be melted, is white powder after being grinded, and has excellent heat stabilization for PVC.

The method is disclosed for coating or impregnating a metal cutting tool with a metal oxide. The method includes the steps of applying a liquid metal carboxylate composition, or a solution thereof, to a substrate material, and exposing the metal cutting tool to an environment that will cause vaporization or dissipation of any excess carboxylic acids in the liquid metal carboxylate composition and conversion of the metal carboxylates to metal oxides.

Metal nanoparticles with a stabilizer complex of a carboxylic acid-amine on a surface thereof are formed by reducing a metal carboxylate in the presence of an organoamine and a reducing agent compound. The metal carboxylate may include a carboxyl group having at least four carbon atoms, and the amine may include an organo group having from 1 to about 20 carbon atoms.

The invention discloses a preparation method and a product of a nitrogen-doped carbon nano-tube. The preparation method comprises the following steps: performing calcination on a precursor under a nitrogen atmosphere, and performing acid treatment after calcination to obtain the nitrogen-doped carbon nano-tube, wherein the precursor is a compound of carboxylate of organic amine and metal carboxylate; the carboxylate of organic amine is melamine carboxylate or dicyanodiamide; the length of the nitrogen-doped carbon nano-tube is more than 5 microns, and the tube diameter of the nitrogen-doped carbon nano-tube is 50-500 nanometers. The preparation method disclosed by the invention is simple, is wide in raw material source and strong in sustainability, can be used for obtaining the nitrogen-doped carbon nano-tubes which are uniformly distributed in a large area range, and is expected to achieve large-scale production; and the modification on surface functional groups can be completed in one step by virtue of calcination without implementing subsequent complex modification processes.

A conductive composition that comprises a branched metal carboxylate and one or more solvents. The solvents may be an aromatic hydrocarbon solvent. In embodiments, the branched metal carboxylate is a silver carboxylate. The conductive composition may be used in forming conductive features on a substrate, including by inkjet printing, screen printing or offset printing.

A lubricant composition. The lubricant composition includes (a) a phenate, a sulfonate, or both; and (b) a base composition wherein the base composition is (i) a metal carbonate and a metal sulfate, (ii) a metal sulfate and a metal phosphate; (iii) a metal sulfate and a metal carboxylate; (iv) a metal phosphate and a metal carboxylate; or (v) three-way or four-way combination of a metal sulfate, a metal carboxylate, a metal phosphate, and a metal carbonate; and (c) a lubricating oil or a grease.

The invention belongs to the technical field of preparation of polylactic acid, and particularly relates to polylactic-acid-based isotactic compound crosslinking copolymer and a preparation method thereof. The copolymer is multi-branched polyether-D(L)-polylactic acid-L(D)-polylactic acid copolymer. The preparation method comprises the following steps: under the action of a catalyst, the multi-branched polyether introduces open-loop polymerization reaction of D-lactide or L-lactide and prepolymer is obtained; under the condition of no water or the protection of inert gases, the prepolymer reacts with end-group activating agent metallic carboxylate or metal alkoxide, and after drying, white solid is obtained; the white solid introduces open-loop polymerization reaction with the D-lactide or L-lactide; and the polylactic-acid-based isotactic compound crosslinking copolymer is obtained. The isotactic compound crosslinking copolymer can form a physical-crosslinking mesh structure, is endowed with a shape memory function of thermoplasticity of the material and has the advantages of high toughness and heat resistance and wide application prospect.

The invention relates to a preparation method for organic branched polysiloxane, in particular to a preparation method for branched siloxane containing an R-SiO3/2 unit, wherein R is an organic group, and linear polysiloxane containing silicon hydride in a polymer chain reacts under the condition that no hydroxyl functional organic compound is existent in the presence of ammonium or metal carboxylate as a catalyst. The invention also relates to application of siloxane obtained by the preparation method to prepare polyurethane foam and antifoaming agent products.

Soil and water dispersable plant nutrients in the form of metal carboxylates (sucrates) are formed from the combination of metal oxides and saccharides. A method of preparing granular metal carboxylates (sucrates) is provided. Metal oxides, lime, clay and aqueous beet sugar extract are combined and fed through a roll press compactor with 100 tons of pressure which elevates the material temperature to approximately 170° F., driving the reaction to completion. The compacted metal carboxylates (sucrates) are milled, screened, and wax coated.

The invention discloses an environment-friendly metal carboxylate and a preparation method thereof. The metal carboxylate has the following structure: CH3(CH2)nCOO-M-OOC(CH2)nCH3, wherein M is Zn2+, Mg2+, n=10 ~16; Salt formation reaction is carried out by linear saturated monocarboxylic acid and zinc, magnesium oxide or hydroxide powder under the action of a catalyst. The metal carboxylate is a meltable solid, which can be prepared after crushing. A powdery, environmentally friendly metal carboxylate product. The invention has the advantages of simple preparation process, strong operability, energy saving, high product purity, environmental protection and compliance with the requirements of ROHS directive, EU REACH regulation and EN71-3 standard.

The invention belongs to the technical field of biomass materials and discloses a lignin-based bimetallic functionalized carbon material as well as a preparation method and application thereof. The invention provides the preparation method of the lignin-based metal functionalized carbon material. The method carrying out carboxylation modification on lignin, coordinating with transition metal to form a metal carboxylated lignin-based supramolecular precursor, co-doping with nonmetal heteroatoms, and carrying out high-temperature carbonization. The method comprises the following steps: S1, coordinating and combining carboxylated lignin with an iron and cobalt metal salt solution to obtain a bimetal carboxylated lignin-based supramolecular precursor; and S2, carrying out non-metal doping andhigh-temperature carbonization treatment on the metal lignin-based supramolecular precursor to obtain the modified lignin-based metal functionalized carbon material. An electrocatalytic oxygen evolution electrode prepared from the carboxylated lignin-based metal functionalized carbon material prepared by the preparation method disclosed by the invention shows excellent catalytic activity.

A permanent resist obtained by at least photoexposure and alkali development of a photosensitive resin composition, the permanent resist containing a metal carboxylate group, or a carboxyl group (a carboxyl anhydride group is also included among a carboxyl group according to the invention) and a metal carboxylate group, wherein an alkaline earth metal carboxylate group constitutes at least 30 mole percent of the total of a carboxyl group and a metal carboxylate group.

This invention relates to a composition comprising 1.) a metal carboxylate, wherein the metal M is selected from the group consisting of Ag, Cn, Hg, Pb, Sn, Ni, Co, Ca, Fe, Zn and Mn, those metals being present as ions in a +2 or +3 charge state, and wherein the carboxylate anion is derived from a hydrocarbyl monocarboxylic acid having 5 to 20 carbon atoms, or a mixture of such acids, 2.) a solvent selected from the group consisting of water, glycol ethers having from 4 to 15 carbon atoms, alkyl alcohols having from 1 to 10 carbons, and aromatic hydrocarbon solvents having from 6 to 30 carbons, and 3.) an emulsion breaker which is a polymeric nonionic surfactant.

A method of production of metal carboxylates and of their metal carboxylate-aminoate or metal carboxylate-methioninate hydroxy analog derivatives, and their use as growth promoters in animal nutrition. It comprises mixing stoichiometric quantities of formic or butyric acid and oxide and of the dry basic salt of divalent metal, the oxide or hydroxide of Zn²⁺ or Cu²⁺, to give an exothermic reaction, without addiction of solvents, giving rise to a dry carboxylate of divalent metal that is easy to use. It also describes the use of a stage of mixing with metal aminoates or hydroxy analogs of methionine in the process, for forming either a carboxylate-aminoate of divalent metal or a carboxylate-methioninate hydroxy analog of divalent metal, products that are finally obtained in a dry form that is easy to use. Finally it describes the use of the compounds that can be obtained in the feeding of monogastric animals for improving the productivity, the bioavailability of the metals, and achieve a reduction of their emission to the environment, owing to the growth-promoting effect that they all display.

The invention discloses a preparation method of nano particle grafted stereoblock polylactic acid. The method comprises the following steps that 1, under the anhydrous condition and protection of inert gas, nano particles with active groups on the surface are adopted as an initiator, metal carboxylate or metal alkoxide is adopted as a catalyst, levogyration or dextrorotation lactide is catalyzed to be subjected to ring opening polymerization at low temperature in an organic solvent, and nano particle grafted polylactic acid is obtained; 2, under the anhydrous condition and protection of inert gas, the obtained product is dissolved in an organic solvent, metal carboxylate or metal alkoxide is added for an activating reaction, and a high-activity polymer end-capped by specific functional groups is obtained; 3, the high-activity polymer is subjected to a ring-opening polymerization reaction with levogyration or dextrorotation lactide in an organic solvent, and nano particle grafted stereoblock copolymer is obtained. The invention further discloses the nano particle grafted stereoblock polylactic acid and application thereof. The preparation method is simple in process and easy to operate, and has industrial potential.

A paint and method are divulged for protecting the silver film of mirrors. The paint in its preferred embodiment includes a metal carboxylate which will contribute metal ions, namely stannous octoate for the contribution of stannous(II) ions in an amount of 0.5% or greater by weight. Alternate methods of the invention utilize an additional coating over the paint, such as an acrylic, epoxy or blend thereof which is UV curable. In another form of the paint, copper octoate is utilized in a minimum amount of 0.5% by weight for contribution of copper(II) ions.

Methods of preparing metal oxide nanoparticles are described. The methods involve the thermal decomposition of a metal-carboxylate complex within a continuous, flow-through, tubular reactor. The resulting metal oxide nanoparticles contain iron and can be magnetic, non-agglomerated, crystalline or a combination thereof.