140 results about "Compounds of zinc" patented technology

The present invention relates to an antimicrobial composition comprising an isothiazolinone, such as 1,2-benzisothiazolin-3-one, and a zinc compound selected from zinc salts, zinc oxides, zinc hydroxides or combinations thereof. Useful zinc salts include for example, oxides, sulfates, chlorides, and combinations thereof. In use, the zinc from the zinc compound enhances the antimicrobial activity to the isothiazolin-containing composition. This enhancement permits achieving the desired antimicrobial activity at a lower usage rate than is achieved using the isothiazolinone in the absence of the zinc compound. The antimicrobial composition can also contain co-biocides, such as pyrithiones, including zinc pyrithione or copper pyrithione.

The invention relates to a calcium zinc heat stabilizer used for PVC. The calcium zinc heat stabilizer comprises a compound formed by a hydroxyl phenyl carboxylic acid, imidazole ligands and zinc ions, wherein the molecular formula of the compound is Zn(L1)2(L2)2, wherein L1 represents salicylic acid; L2 represents imidazole or L2 represents 1,2-dimethyl imidazole; a frequently-used fatty acid calcium, fatty acid zinc, an auxiliary stabilizer and a lubricating agent. Compared with a calcium zinc heat stabilizer prepared by using the fatty acid zinc and the like as raw materials, the calcium zinc heat stabilizer provided by the invention can effectively improve initial dyeing property and prolong zinc burnt blackening time of a PVC product, has easily available raw materials and is convenient for preparation.

The present invention relates to an oral composition containing a zinc compound containing free available zinc ion and at least one stabilized or stable E_h raising compound distributed in an oral vehicle. The present invention further relates to a method of inhibiting the formation of sulfur containing anions and preventing a reduction in the E_h of the oral cavity. A method of reducing oral malodor and gingivitis and periodontitis is also provided by this invention.

The invention discloses a conductive paste for a positive electrode of a crystal silicon solar cell and a preparation method of the conductive paste. The paste is prepared by mixing and grinding conductive metal powder, alloy powder which is formed by two or more elements selected from silver, zinc, tin, silicon, copper, magnesium, germanium, gold, beryllium, aluminum, indium, cerium, lanthanum, gallium, bismuth, and nickel, an organic carrier, and one or a mixture of transition metal oxide, lead oxide, stannic oxide, zinc oxide, organic compounds of zinc, and organic compounds of titanium according to a certain weight part. In the conductive paste, glass powder is not used as an inorganic binder, the problems of low electrical properties, low weldability and welding resistance, silicon chip bending and the like caused by adding the glass powder into the conductive paste for the positive electrode of thecrystal silicon solar cell in the prior art are solved, the positive electrode of the crystal silicon solar cell prepared from the paste has firm adhesive force, high ohmic contact, high weldability and high welding resistance, and the solar cell has a high electrical property and low deformability.

Disclosed is a solution composition for forming a thin film transistor including a zinc-containing compound, an indium-containing compound, and a compound including at least one metal or metalloid selected from the group consisting of hafnium (Hf), magnesium (Mg), tantalum (Ta), cerium (Ce), lanthanum (La), silicon (Si), germanium (Ge), vanadium (V), niobium (Nb), and yttrium (Y). A method of forming a thin film by using the solution composition, and a method of manufacturing thin film transistor including the thin film are also disclosed.

The invention provides zinc-containing synergistic urea. The urea is a product obtained by mixing, dehydrating and granulating the following three components in percentage by weight: 0.08 to 0.24 percent of poly-asparaginic acid chelate zinc in mixed aqueous solution, 0.05 to 0.12 percent of poly-asparaginic acid chelate potassium in the mixed aqueous solution, and 99.64 to 99.87 percent of urea in a molten state. Through effective compound of zinc salt of macromolecular chelate state, potassium slat of macromolecular chelate state and the urea, the zinc-containing urea is favorable for promoting the absorption of plants on nutrients during application of the urea, so the utilization rate of the urea is improved in many ways.

The invention relates to the field of circulating water treatment and discloses compound corrosion and scale inhibitor and a preparation method and application thereof. The method comprises the steps of mixing water solution containing polyepoxysuccinic acid with inorganic acid solution, evenly stirring, standing, taking liquid supernatant after precipitation forms and complexing the liquid supernatant with one or more of hydrolytic polymaleic anhydride, organic phosphonic acid corrosion and scale inhibitor, sulfonic acid copolymer and zinc-contained compound. The preparation method disclosed by the invention can solve the problem that prepared compound corrosion and scale inhibitor generates turbidness and precipitation and can guarantee that the compound corrosion and scale inhibitor has an excellent corrosion and scale inhibition effect.

The present invention relates to a composition comprising a polyester, a copolyester ether, and an oxidation catalyst, wherein the copolyester ether comprises a zinc compound and at least one polyether segment selected from the group consisting of poly(tetramethylene ether) and poly(tetramethylene-co-alkylene ether). The present invention further relates to articles made from the composition and methods to make the composition and the articles.

The invention relates to a preparation method of an oil/rosin base liquid calcium-zinc composite stabilizing agent used for PVC (Polyvinyl Chloride). The preparation method comprises the following steps of: (1) taking industrial fatty acid and rosin as raw materials, and synthesizing an oil/rosin base composite binary acid through a Diels-Alder reaction; (2) respectively and uniformly stirring any two metallic compounds of zinc oxide, calcium hydroxide and calcium oxide with the oil/rosin base composite binary acid and a solvent, then raising the temperature to 80-150 DEG C, refluxing for 0.5-4 hours, and distilling to remove the solvent under a vacuum degree of 1-2mmHg to obtain corresponding oil/rosin base composite binary acids of two metals; and (3) dissolving a proper quantity of the oil/rosin base composite binary acids of the two metals in a mixed solution of epoxidized soybean oil, an antioxidant, liquid paraffin, phosphite ester and beta-diketone, and filtering to obtain the oil/rosin base liquid calcium-zinc composite stabilizing agent. The oil/rosin base liquid calcium-zinc composite stabilizing agent prepared by the preparation method is used for the field of PVC plastic processing, and reproducible natural oil resources are adopted as main raw materials, so that the product has the characteristics of good thermal stability and basically no toxicity and belongs to an environmentally-friendly like product with a high cost performance.

The present invention is directed to a golf ball having at least one layer formed from a moisture resistant, highly neutralized acid polymer composition. Highly neutralized acid polymers of the present invention are produced with a cation source selected from ions and compounds of lithium, ions and compounds of zinc, and combinations thereof. Golf balls of the present invention include one-piece, two-piece, multi-layer, and wound golf balls. The composition may be present in any one or more of a core layer, a cover layer, or an intermediate layer.

The process comprises the following stages: a) leaching; b) solid-liquid separation; c) neutralization of the aqueous solution; d) solid-liquid separation of the zinc-rich solution; e) zinc extraction; f) purification of the organic solvent from the extraction stage; g) stripping the ionic zinc loaded in the organic solvent; h) recovering the zinc contained in the aqueous acid solution from the stripping. The following barriers to impurities have been established: gentle leaching; alkaline pulp treatment; treatment of a small stream of aqueous solution, collected before and/or after the zinc extraction at step e); high selectivity of the dissolved zinc extraction; treatment of the zinc loaded in the organic solvent; cleaning treatment of the zinc-laden organic solvent, with an ultra-pure acid solution; partial bleeding and treatment of the stripped organic solvent; bleed of small stream of the final product producing loop, which will be recycled to the organic loop.

A process for the preparation of water insoluble bio-release micronutrient fertilizers, containing iron and manganese with either zinc and/or copper, comprising (a) heating orthophosphoric acid at a temperature of 130° C.-150° C. with a mixture of (i) source of iron oxide, (ii) manganese dioxide or pyrolusite, and (iii) either or both compounds of zinc or copper selected from zinc ash or zinc oxide and cupric oxide, or cupric sulphate or cupric chloride and (iii) a basic compound such as oxide or carbonate of magnesium or calcium, to produce a multi-metallic polyphosphate; (b) neutralisation of the polyphosphate with a basic compound followed by drying and pulverisation to obtain a solid powdery material.

The invention provides two-component condensation-type thermal-conductive silicone gel and a preparation method thereof. The silicone gel comprises an A component and a B components; the A component comprises the following raw materials, in parts by weight: 35-60 parts of alpha,omega-dihydroxy polydimethylsiloxane, 40-60 parts of silicon micropowder, 0.5-5 parts of a zinc-containing compound, and 0.03-0.1 part of a catalyst; and the B component comprises the following raw materials, in parts by weight: 30-55 parts of alkoxy-terminated polydimethylsiloxane, 40-60 parts of silicon micropowder, 2-10 parts of a cross-linking agent, and 1-5 parts of a coupling agent. According to the silicone gel provided by the invention, the zinc-containing compound is used in the formula, so that deep curing of the silicone gel is realized, and has better comprehensive performance than gel prepared by adding water, precipitated white carbon and glycerol organic phosphate; and the thermal conductive silicone gel has not high requirements for measurement accuracy of mixing equipment and simple and convenient operation during use, the stable performance of the silica gel after being mixed is ensured, and the thermal conductive silicone gel is suitable for continuous mass production in an automatic line.

The present invention proposes an AC cable termination joint using a nonlinear prefabricated rubber stress cone, which belongs to the design field of high-voltage AC cable accessories. The AC cable termination joint includes a cable termination joint body composed of a silicone rubber insulating base and a silicone rubber insulating umbrella skirt, a cable conductor link fitting, a sealing cap and a nonlinear prefabricated rubber stress cone, wherein the conductive or semiconductive part of the stress cone is compounded of silicon rubber and carbon black; and the insulating part of the stress cone is compounded of zinc oxide ceramic powder particles and silicon rubber using a nonlinear conductive composite material. The cable termination joint of the present invention enables the scope of application of the voltage class of the prefabricated rubber stress cone to be further enlarged, which is not only applicable to low-voltage-class cable termination joints, but also plays a good role of homogenizing field intensities for high-voltage-class cable termination joints; and meanwhile, not only solves the problem that the field intensity is concentrated at the notch of a cable shielding layer but also solves the problem that the field intensity is concentrated at the cone surface of the stress cone, thereby improving the reliability of the long-time running of a power cable system.

Disclosed are methods for producing ZnO nanostructures, the methods comprising heating an aqueous solution comprising a zinc compound, a base, and a polymer which is polyvinylpyrrolidinone or poly(ethylene glycol).

The invention discloses a synthesis method of zinc acrylate resin. The synthesis method comprises the following steps of (1) firstly, adding a solvent and a zinc-containing compound into a reaction kettle, and heating to the return temperature; (2) dropwise adding a mixture of an acrylic monomer, rosin and part of initiator at the return temperature to initiate reaction; and (3) adding the rest part of initiator to generate the zinc acrylate resin. The one-step synthesis method of the zinc acrylate resin, disclosed by the invention, has the advantages of simplicity in production control, easiness to obtain raw materials, small product component fluctuation, reaction step reduction and energy consumption reduction.

The invention provides a kieselguhr catalyst for eliminating carbon monoxide at normal temperature and a preparation method thereof. The catalyst consists of carrier kieselguhr and metallic oxide mixture used as an active component, wherein the metallic oxide mixture is a mixture of copper oxide, iron oxide, nickel oxide, manganese oxide, cobalt oxide and zinc oxide. The preparation method comprises the following steps of: mixing a copper-containing compound, an iron-containing compound, a nickel-containing compound, a manganese-containing compound, a cobalt-containing compound and a zinc-containing compound; dissolving: dispersing the kieselguhr into the mixed solution; and filtering, washing, drying and roasting. The invention has the advantages of simple method and high carbon monoxide elimination efficiency of the obtained catalyst at normal temperature.

The invention discloses a safe rice production method applied to soil with medium and mild cadmium contamination. The method comprises steps that (1), a passivator is sprayed to the soil surface of arice field, and ploughing is performed until the passivator and soil are mixed uniformly; (2), a zinc-containing compound is taken as an antagonistic element, the antagonistic element is applied during application of the passivator, the zinc-containing compound is also required to be dissolved in irrigation water at a booting stage and a grain-filling stage of rice in the rice field with medium Cadmium contamination, and then the rice field is irrigated; (3), a foliar inhibitor is applied once at a tillering stage or the grain-filling stage of rice in the rice field with mild cadmium contamination, and the foliar inhibitor is applied once at the tillering stage and the grain-filling stage of rice in the rice field with medium cadmium contamination; and (4), a part of passivator and the antagonistic element zinc are applied supplementarily to continuous multi-season rice according to actual conditions before planting, and the foliar inhibitor is sprayed every season. According to the safe rice production method, cadmium content of rice can be remarkably reduced, the operating method is simple and convenient, the effect is stable, and the rice yield is not affected.

The invention discloses a flame-retardant reinforced nylon composite material and a preparation method thereof. The flame-retardant reinforced nylon composite material comprises the following components in percentage by weight: 30-45% of PA6630, 10-15% of brominated flame retardant, 12-16% of compound flame-retardant synergist, 3-5% of toughened modifier, 3-8% of compatibilizer, 0.2-0.6% of antioxidant, 20-40% of glass fiber, and 0.3-1% of processing aid; and the compound flame-retardant synergist is a compound of zinc borate substances and nanometer kaolin. The environment-friendly flame-retardant reinforced PA66 engineering plastic is prepared by compounding a current marketing common brominated flame retardant, zinc borate and kaolin, the flame-retardant property can meet the no firing requirements of UL 94 V-0 (3.2mm) and 850 DEG C glowing wire contact materials, the cost is lower compared with the halogen-free reinforced PA66 engineering plastic, the environment-friendly flame-retardant reinforced PA66 engineering plastic can be applied to plastic parts of a PTC heating body support, an igniter, a capacitor, a connecting plug and the like.

The invention relates to a synthetic method of a petal shaped ZnCo2O4 nanometer solid material with meso pores. At a room temperature, a certain amount of a zinc-containing compound, a cobalt-containing compound and a homogeneous precipitating agent urea are dissolved into a certain amount of a solvent, full stirring is carried out for a certain time, and a stable solution is formed. A hydrothermal reaction is carried out for the mixed solution, and the solution is cooled to a room temperature. Products are cleaned with deionized water or absolute ethyl alcohol and centrifugal filtering is carried out, and vacuum drying is carried out at 50-60 DEG C. Products are calcined at an air atmosphere, and the petal shaped ZnCo2O4 nanometer solid material with meso pores is prepared. The method has a simple preparation process and low material price, and enlarged production according to a proportion can be completed.

The invention discloses an amido aniline group zinc compound and a preparation method and an application thereof. The structural formula is as the following formula I, and R1, R2 in the formula are both C1-C4 linear chain or branched chain structured alkyl. The method for preparing a catalyst is simple, and the obtained catalyst is high in catalyst activity, so that the catalyst can be widely used for catalyzing ring-opening polymerization of lactone and lactide. The activity of a catalyst system is high, the polymerization can be carried out under low temperature, the condition is mild, the yield is high, and metal residue is small. Additionally, the polymerization is simple in process, and the molecular weight of polymers can be controlled and adjusted by controlling conditions of the polymerization through a general solution polymerization process.