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593 results about "Triphenyl phosphite" patented technology

Triphenyl phosphite is the chemical compound with the formula P(OC₆H₅)₃. This colourless viscous liquid is the ester of phosphorous acid and phenol. It is used as a ligand in organometallic chemistry. Nickel complexes of this ligand are homogeneous catalysts for the hydrocyanation of alkenes.

Environmental-friendly halogen-free low-smoke flame retardant material for coaxial cable and preparation method thereof

The invention relates to an environmental-friendly halogen-free low-smoke flame retardant material for a coaxial cable and a preparation method thereof. The environmental-friendly halogen-free low-smoke flame retardant material comprises the following materials with the content by weight percent: 15 to 30 percent of ethane-vinyl acetate copolymer, 8 to 15 percent of linear low-density polythene, 25 to 60 percent of fire retardant aluminium hydroxide, 10 to 20 percent of fire retardant magnesium hydroxide, 5 to 10 percent of compatilizer ethane-vinyl acetate copolymer graft maleic anhydride copolymer or ethane graft maleic anhydride copolymer, 0.2 to 0.8 percent of antioxygen triphenyl phosphate, 0.4 to 1 percent of surface active agent ethenyl (beta-methoxyl ethyoxyl) trisilane and 0.5 to 1.2 percent of lubricant zinc stearate. The preparation method of the environmental-friendly halogen-free low-smoke flame retardant material comprises the following steps: firstly, mixing the fire retardant aluminium hydroxide at high speed in a high-speed mixing machine till the temperature of the fire retardant aluminium hydroxide achieves 80 to 90 DEG C; using the surface active agent ethenyl (beta-methoxyl ethyoxyl) trisilane to carry out spraying preprocessing after dehydration; adding the materials by weight percent into the high-speed mixing machine to be stirred at high speed for 3 to 5 minutes so that the materials are uniformly mixed; then delivering the mixed materials into a twin-screw extruder to be processed and prilled, wherein the temperature of each section of a screw is as follows: the temperature of a material feeding section is 90 to 110 DEG C, the temperature of a delivering section is 120 to 130 DEG C, the temperature of a plasticizing section is 130 to 140 DEG C, and the temperature of a machine head is 135-145 DEG C; and drying particles after the mixed materials are prilled so as to obtain finished products.
Owner:SUZHOU HENGLI COMM MATERIAL

Modified calcium carbonate for wear-resistant rubber shoe soles and preparation method thereof

The invention provides a modified calcium carbonate for wear-resistant rubber shoe soles, which is prepared from the following raw materials in parts by weight: 95-100 parts of ground calcium carbonate, 0.2-0.3 part of stearyl alcohol based polyethenoxy ether, 0.3-0.4 part of polyoxyethylene sorbitan fatty acid ester, 0.1-0.4 part of PE (polyethylene) wax, 0.5-0.8 part of triphenyl phosphite, 0.5-1 part of teflon micropowder, 0.1-0.3 part of ananti-aging agent 4020, 1-2 parts of ABS (acrylonitrile-butadiene-styrene) high rubber powder, 0.2-0.5 part of high-wear-resistance carbon black, 0.1-0.2 part of zirconium fluoride, 1-2 parts of dioctyl terephthalate (DOTP), 0.5-0.6 part of polyvinyl alcohol and 1-2 parts of a titanate coupling agent TMC-TTS. The preparation method comprises the following steps: drying calcium carbonate, proportionally and sequentially adding the other raw materials in batches, thoroughly mixing in a high-speed stirrer, drying and grinding. The modified calcium carbonate provided by the invention has the advantages of favorable dispersity and favorable wear resistance, and can lower the cost and enhance the working properties and wear resistance of shoe rubber when being used in shoe sole rubber materials.
Owner:QINGYANG COUNTY YONGCHENG CALCIUM IND

Synthetic method of polyethylene glycol terephthalate from biomass glycol

The invention discloses a synthetic method of polyethylene glycol terephthalate from biomass glycol. The glycol is prepared in to biomass through a chemical conversion method, and subjected to synthesis polyester reaction with terephthalic acid, wherein a catalyst is a composite catalyst. The biomass glycol and terephthalic acid in the molar ratio of 1.2:1-1.5:1 are added into a reaction kettle for esterification, wherein a stabilizer is triphenyl phosphate; and finally obtained by a condensation polymerization is carried out to obtain the polyester. glycol accounts for 95%-99.9% in the biomass glycol, and the trace alcohols are ethanol, 1, 2-propylene glycol, 1,2-butanediol, 1,2-pentadiol and 1,2-hexanediol. The technology of the invention is mainly to solve the influence of fusel on PET synthesis, and can synthesize PET polyester with quality standards satisfied from fusel-containing glycol.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Preparation method of polypropylene beta crystalline nucleating agent

The invention relates to a preparation method of a polypropylene beta crystalline nucleating agent, comprising the following steps of: contacting dicarboxylic acid with amine to carry out condensation reaction in the presence of a catalyst and a solvent, wherein the amine is primary amine and / or secondary amine, the catalyst is one or more of phosphorus pentoxide, polyphosphoric acid and triphenyl phosphate, the solvent is pyridine, and the mole ratio of the using amounts of the catalyst to the pyridine is 1: (10-30). The preparation method can be used for sufficiently preparing the amides polypropylene beta crystalline nucleating agent from the primary amine and / or the secondary amine under normal pressure.
Owner:CHINA PETROLEUM & CHEM CORP

Anti-aging modified calcium carbonate for paint-latex paint and preparation method thereof

The invention provides an anti-aging modified calcium carbonate for a paint-latex paint. The modified calcium carbonate is prepared from the following raw materials in parts by weight: 95-100 parts of 800-mesh ground calcium carbonate, 1-3 parts of polyoxyethylene oleate, 0.5-0.8 part of polyethylene wax, 1-2 parts of styrene, 0.3-0.5 part of aluminum nitride powder, 1-3 parts of triphenyl phosphite, 0.2-0.4 part of aziridine crosslinking agent XR-100, 0.1-0.3 part of polyvinyl alcohol, 2-3 parts of silane coupling agent KH550, 0.3-0.5 part of styrene-acrylic emulsion, 2-3 parts of emulsifier OP-10, 0.4-0.6 part of aluminum oxide, 1-2 parts of nano silicon dioxide (VK-SP30), 1-2 parts of epoxy soybean oil, 0.5-0.6 part of ammonium polyphosphate and 0.8-1.2 parts of zinc powder. The preparation method comprises the following steps: drying calcium carbonate, proportionally and sequentially adding the other raw materials in batches, thoroughly mixing in a high-speed stirrer, drying and grinding. The modified calcium carbonate provided by the invention has the advantages of favorable dispersity and favorable wear resistance, and can lower the cost and enhance the workability of the paint when being used in paint materials; and the paint film has high glossiness.
Owner:青阳县恒源化工原料有限责任公司

Electrolyte for high-capacity lithium ion battery, preparation method and lithium ion battery

The invention discloses an electrolyte for a high-capacity lithium ion battery. The electrolyte is prepared from an non-aqueous solvent, lithium hexafluorophosphate, an anode film forming additive, an air bulking inhibiting additive, a cathode surface film stabilizer and a moisture stabilizer; the anode film forming additive is prepared from one or two of fluoroethylene carbonate and vinylene carbonate which account for 1%-15% of the total mass of the electrolyte; the air bulking inhibiting additive is prepared from a sultone compound accounting for 0.5%-5% of the total mass of the electrolyte; the cathode surface film stabilizer is prepared from a lithium borate salt compound accounting for 0.2%-3% of the total mass of the electrolyte; the moisture stabilizer is prepared from one or two of triphenyl phosphite and triphenyl phosphate which account for 0.1%-1% of the total mass of the electrolyte. The electrolyte can improve the normal-temperature cycle performance and the high-temperature storage performance of the battery. Meanwhile, the invention discloses a preparation method of the electrolyte and the high-capacity lithium ion battery adopting the electrolyte.
Owner:GUANGZHOU TINCI MATERIALS TECH

Antifouling scale-inhibiting anti-aging exterior wall coating and preparation method thereof

The invention provides an exterior wall coating which is composed of the following raw materials in parts by weight: 84-90 parts of water-based acrylic emulsion, 10-15 parts of styrene-acrylic emulsion, 16-50 parts of hydrotalcite powder, 4-6 parts of nano silicon dioxide, 0.1-0.2 part of triallyl isocyanurate, 3-4 parts of acrylic acid, 1-2 parts of aluminium nitride, 1-2 parts of dimethylethanolamine, 0.7-1 part of ureidopropyltriethoxysilane, 1-2 parts of sodium tripolyphosphate, 1-2 parts of polyvinylpyrrolidone, 1-2 parts of para toluene sulfonamide, 1-2 parts of ammonium dihydrogen phosphate, 0.4-0.6 part of triphenyl phosphite, 2-3 parts of absolute ethyl alcohol, 3-5 parts of coalescing agent, 0.1-0.2 part of polyoxypropylene glycerol ether and 10-20 parts of deionized water. The coating provided by the invention has the advantages of low raw material loss, low gel production, simple process, hard coating film, good glossiness, strong impact resistance, low cracking rate, soft texture, excellent decorative property, high weather resistance, scrubbing resistance, high adhesion force and long service life; and the coating is free of special smell and contains no heavy metals such as mercury and lead and also does not contain formaldehyde volatile, and thus the coating meets the technical requirements of an environment-friendly coating.
Owner:CHUZHOU MAISITE NEW BUILDING MATERIAL

Adhesive of hot melting coating for laminated steel process and preparation method thereof

The invention discloses an adhesive of a hot melting coating for a laminated steel process and a preparation method of the adhesive. The adhesive is synthesized by mixing and reacting polyester polyol, 4,4'-diphenylmethane diisocyanate, 2,2-dipropane or 4-hydroxyphenyl propane, an organic solvent, a bisphenol-A epoxy resin and a silane coupling agent as raw materials under the action of etrabutyl titanate and triethylamine as a mixed catalyst, wherein the solid content of the adhesive is 25-35%, the viscosity is 300-500mPa.s, and the hydroxyl value is 10-20mgKOH / g; and the polyester polyol is prepared by performing a primary esterification and a polycondensation for the components through taking terephthalic acid, m-phthalic acid, hexane diacid, neopentyl glycol, ethylene glycol and diethylene glycol as raw materials, stannous octoate or tetrabutyl titanate as a catalyst, and triphenyl phosphate as an antioxidant. The adhesive does not rise at 9 mm in a laminated steel product cup drawing experiment and does not bubble within 240 h in a salt spray resistance experiment, thereby reaching the requirements of applying the laminated steel products.
Owner:BEIJING COMENS NEW MATERIALS

Preparation method of 4-bromocarbazole

The invention discloses a preparation method of 4-bromocarbazole, which belongs to the field of organic chemical synthesis. The method comprises the following steps: by using o-bromophenylboronic acid as a raw material, a DMSO (dimethylsulfoxide) solvent and o-chloronitrobenzene to generate Suzuki reaction in the presence of combined catalysis of palladium metal and an organic phosphine ligand so as to obtain 2-bromine-2'-nitrobiphenyl; and then synthesizing a product 4-bromocarbazole, from 2-bromine-2'-nitrobiphenyl by using triphenyl phosphite as a reductant. During reaction, side reactions are few, the method is simple to operate and the yield is high. The synthesized 4-bromocarbazole can be used in the fields of organic photoelectric materials, medicines and the like, and is an important intermediate for carbazole photoelectric materials, medicines and presides.
Owner:PUYANG HUICHENG ELECTRONICS MATERIAL +1
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