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52 results about "Phenyl hydroxide" patented technology

Preparation method for bisphenol F

The invention discloses a synthesis method for bisphenol F, in which aluminium chloride, titanium tetrachloride and modified cation exchange resin are adopted as catalysts, and phenyl hydroxide and formaldehyde are adopted as raw materials. The invention has the technical effects as follows: the aluminium chloride, the titanium tetrachloride and the modified cation exchange resin are adopted for catalysis to synthesize the bisphenol F, and the resin catalyst is easy to separate and recover and can be used repeatedly; 2, a recrystallization and reduced pressure distillation combined separation technology is adopted for coproduction of high-purity bisphenol F and common bisphenol F products, the maximum yield of the bisphenol F reaches 90 percent, the content of 4, 4'-bisphenol F in a dimethyl benzene recrystallization product reaches 93.5 percent, reduced pressure distillation after-products are mainly other two isomers, and the separation of the 4, 4'-bisphenol F is realized effectively; 3, the requirement for the concentration of the formaldehyde raw material is not strict while the traditional one stage process require that the concentration of formaldehyde is above 40 percent; and 4, the synthesis technology is simple, the operation is convenient, and the realization of industrial production is easy.
Owner:湖南嘉盛德材料科技股份有限公司

Hot melt type phenolic resin modified by using enzymatic hydrolysis lignin or derivatives thereof, and preparation thereof

The invention provides enzymatic lignin or a derivative for the enzymatic lignin, namely modified hot-melt phenol-formaldehyde resin and a preparation method thereof, wherein the enzymatic lignin or the derivative for the enzymatic lignin, phenols, aldehydes and catalysts are taken as raw materials. The preparation method comprises the following steps: the enzymatic lignin or the derivative for the enzymatic lignin is mixed with the phenols according to the proportion; the mixture is heated and dissolved, added with the aldehydes and the catalysts, and subjected to heating and refluxing for a period of time; and residual water in the system is distilled, and the enzymatic lignin or the derivative for the enzymatic lignin, namely the modified hot-melt phenol-formaldehyde resin is obtained. The preparation method fully utilizes reproducible biological resources, overcomes the defects caused by extracting lignosulphonate from paper-making 'black liquor' in the prior art, can replace partial raw materials of the petrochemical industry, reduce the cost of preparing the phenol-formaldehyde resin by adopting phenyl hydroxide, select proper types of enzymatic lignin additives according to the modification requirements of different types of hot-melt phenol-formaldehyde resin, and improve the performance of the enzymatic lignin or the derivative for the enzymatic lignin, namely the modified hot-melt phenol-formaldehyde resin, has simple technology, is easy to implement, reduces the production cost, and improves the competitive power of products.
Owner:FUZHOU UNIV

Method for preparing highly-selective nickel ion absorption resin

The invention discloses a highly-selective nickel ion absorption resin and a preparation method thereof. The prepared resin consists of the following raw materials in percentage by mass: 8 to 12 percent of catalyst, 45 to 55 percent of phenyl hydroxide, 30 to 40 percent of formaldehyde and 3 to 7 percent of crosslinker, wherein the sum of mass percent of the raw materials is 100. The preparation method comprises the following steps of: preparing a phenolic resin; heating the phenolic resin to 80 to 90 DEG C by taking the solution of nickel sulfate as a template molecule and taking epoxy chloropropane as the crosslinker, stirring for 30 minutes when heating, and discharging, drying, grinding and sieving the phenolic resin; and eluting the phenolic resin with an eluant until no nickel ions are detected, and oven-drying the product to obtain the finished product. The highly-selective nickel ion absorption resin can completely absorb nickel ions from nickel ionic solution; when 10mg/L copper ions and cadmium ions coexist in the solution, the resin can achieve uninfluenced absorption effect on the nickel ions and can absorb less than 5 percent of Cu<2+> and less than 15 percent of Cd<2+> so as to achieve the highly-selective Ni<2+> absorption effect; and the absorbed nickel ions are eluted by the solution of ammonium citrate so as to achieve good elution recycling effect.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Cardanol modifying phenolic resin composition and method for producing environmental protection type flame-proof paper-base copper-coating board

The invention relates to a cardanol modified phenol-formaldehyde resin and a method for producing an environmentally protective flame-retardant paper-based copper-covering plate by using the resin compound, and belongs to the technology field of the production method of the copper-covering plate. The cardanol modified phenol-formaldehyde resin is used for producing the copper-covering plate with cheap cardanol substituting for industrial phenyl hydroxide and tung oil partly. The cardanol is refined and abstracted from the raw oil extracted from fruits grown on a cashew which is a tropical plant. The modified resin compound contains flame retardants, such as nitride, phosphide, tetrabromobisphenol A and so on, and the flame retardants are free of such hazardous materials as polybrominated biphenyl, polybrominated diphenyl oxide and so on. Wood chip paper is dipped with the modified resin to form prepregs. Subsequently, a plurality of pieces of prepregs are stacked up, and are compressed into the copper-covering plate at a certain temperature and certain pressure. The copper-covering plate can reduce the product cost and ensure the performance, and is friendly to the environment.
Owner:SHANDONG JINBAO ELECTRONICS

Preparation method of boric acid modified high-ortho phenolic fiber

A preparation method of a boric acid modified high-ortho phenolic fiber comprises the following steps: (1) matching phenyl hydroxide and formaldehyde to obtain a solution A, and reacting under the action of sodium carbonate or zinc acetate to obtain a salicylidene phenol solution; (2) adding boric acid in the salicylidene phenol solution to obtain a boric acid modified high-ortho phenolic mother liquor; (3) matching phenyl hydroxide and formaldehyde to obtain a solution B, performing an additive reaction under the action of zinc acetate, mixing the reactant with the high-ortho phenolic mother liquor obtained in the step (2), and adding strong sulfuric to obtain a boric acid modified high-ortho phenolic solution; (4) performing high-temperature water cleaning so as to obtain boric acid modified high-ortho thermoplastic phenolic resin suitable for spinning after temperature reduction; (5) performing melt spinning on the obtained boric acid modified high-ortho thermoplastic phenolic resin to obtain the boric acid modified high-ortho phenolic fiber. Compared with the prior art, the reaction is simple and feasible, the curing rate and the fiber heat resistance are high, the mechanical property is excellent, and the spinning stock solution is prepared by mixing with the mother liquor, so that the spinning performance is improved.
Owner:ZHONGYUAN ENGINEERING COLLEGE

Composite phenol removal agent capable of removing high-concentration phenyl hydroxide waste water and application method thereof

The invention discloses a composite phenol dispose agent capable of removing high-concentration phenyl hydroxide waste water and an application method thereof. The compound phenol dispose agent consists of 46wt%-98wt% of oxidizers and 2wt%-8wt% of catalysts. The application method comprises the following steps of: fixedly loading the compound phenol dispose agent prepared at the ratio on a molecular sieve; activating at the temperature of 700-800 DEG C for 4-8 hours and sieving to obtain a particulate matter with the particle size of 80-100 meshes; adding the prepared particulate matter into the high-concentration phenyl hydroxide waste water, wherein the addition amount of the paritculate matter is 20-40ppm; regulating the pH value of the waste water to 3.0-6.0 by use of acid; and aerating for 1.0-2.0 hours, wherein the phenyl hydroxide emission amount of effluent is lower than the first national emission standard. The composite phenol removal agent disclosed by the invention has the advantages of rapid phenyl hydroxide degradation speed, no secondary pollution, available raw materials, less addition amount, low cost and simple phenyl hydroxide removal method; and when the composite phenol removal agent is used for removing the high-concentration phenyl hydroxide waste water, 400mg/L-4000mg/L high-concentration phenyl hydroxide waste water can be degraded to achieve the effect that the concentration is not greater than 0.2mg/L through one step, and the removal rate is up to above 99.9%.
Owner:CHANGZHOU YAHUAN ENVIRONMENTAL PROTECTION TECH

Processing method of lignite

The invention discloses a processing method of lignite, comprising the following steps: A, taking methyl alcohol as extractant to carry out supercritical extraction processing to the lignite to obtain extraction liquid and raffinate; B, carrying out hot melt catalysis liquefaction processing to the raffinate to obtain liquid fuel. The invention has the beneficial effect: 1, the invention has moderate reaction condition, simple operation technology, high liquid oil yield, high domestication degree, low input and low cost and is safe and stable, and higher conversion rate of lignite; 2, the invention can obtain humic acid, organic acid methyl ester and phenol substances (phenyl hydroxide, cresol, dimethyl phenol and the like) and increase the additional value of products; 3, the supercritical methyl alcohol adopted by the invention removes R-OH and R-COOH class micromolecule substances in the lignite, which can reduce hydrogen consumption amount in the process of hot melt catalysis liquefaction so as to reduce hydrogen consumption; meanwhile, CO2 discharge amount in the process of hot melt catalysis liquefaction can be greatly reduced so as to achieve the purpose of greenhouse gas emission reduction; and 4, the invention performs swelling pretreatment to the lignite, changes lignite micropore structure, amplifies response ratio superficial area and improves the conversion rate of the lignite.
Owner:ZHAOQING SHUNXIN COAL CHEM TECH

Economic, practical, and environment friendly method for preparing norathyriol

The invention relates to the field of medicinal chemistry, and discloses a two-step method for preparing norathyriol. The method comprises steps that: 2-bromine-4,5-dimethoxybenzoic acid is added to 1,2-dichloroethane; thionyl chloride is added to the mixture, and the mixture is heated and refluxed for 1 hour; zinc chloride and 3,5-dimethyoxy phenyl hydroxide are added to the mixture, the mixtureis stirred, and are heated for 2 to 4 hours under a temperature of 40 to 80 DEG C; the 1,2-dichloroethane solvent is removed through reduced-pressure distillation; 10% to 30% of a sodium hydroxide solution by mass is added to the mixture, and the mixture is heated and refluxed for 2 to 3 hours, such that 1,3,6,7-xanthone tetramethoxide is produced; 1,3,6,7- xanthone tetramethoxide is added to an ethylene glycol solvent, and hydrochloric acid is added to the mixture; the mixture is heated and refluxed for 3 to 5 hours, such that norathyriol is obtained. Compared to prior arts, the preparation method provided by the invention has advantages of short synthetic route, less step, simple operation, and high yield. The raw materials adopted in the method are cheap and easy to obtain. The processes are safe, and bring low toxicity. The method is environment friendly, and is suitable for industrialized productions. The method provides high economical and practical values.
Owner:KPC PHARM INC

Phenolic resin black function master batch and preparation method thereof

The invention provides a phenolic resin black function master batch and a preparation method thereof. The phenolic resin black function master batch is prepared from the following raw materials by weight: 200 parts of phenyl hydroxide, 148 to 152 parts of formaldehyde, 2 to 10 parts of a catalyst, and 4 parts of a composite functional black coloring agent. The preparation method comprises the following steps: first, adding molten phenyl hydroxide into a three-mouth beaker equipped with a stirrer, a condenser and a thermometer, adding formaldehyde according to the weight ratio, and carrying out stirring and heating to ensure that the temperature of the reaction system is 100 to 104 DEG C; adding the catalyst according to the weight ratio for a 1 to 2 hours' reaction when the liquid flows back; adding the composite functional black coloring agent according to the weight ratio when the liquid becomes turbid, carrying out a backflow reaction for 1.5 to 2 hours, dehydrating under decompression, carrying out a polycondensation synthesis reaction when the viscosity of resin reaches up to a certain value, discharging fast after the polycondensation synthesis reaction is finished, and carrying out cooling and smashing for treatment. The master batch is good in dyeing property and flowability, can be added with an optional quantity, and can be used for improving toughness effect and rising heat distortion temperature, so that the comprehensive performance is improved remarkably.
Owner:延安金瓯科技发展有限公司

Nano cyclic phenyl hydroxide modified starch/PBS biology base degradation dedicated material and preparation method thereof

The invention discloses a nano cyclic phenyl hydroxide modified starch/PBS biology base degradation dedicated material and a preparation method thereof. The material mainly comprises the following components: corn starch, poly butylenes succinate, glycerin, ethylene glycol, calcium carbonate, polyethylene wax, antioxygen, titanium dioxide, and a nano cyclic phenyl hydroxide master batch, wherein nano cyclic phenyl hydroxide master batch comprises the following components as poly butylenes succinate, active nano cyclic phenyl hydroxide, micro molecule plasticizer and glycerin. The preparation method is realized through the following steps: firstly feeding the corn starch, the glycerin, the ethylene glycol, calcium carbonate, the polyethylene wax, the antioxygen and titanium dioxide into an agitator for agitation at 70-90 DEG C, then feeding the poly butylenes succinate and the nano cyclic phenyl hydroxide for agitation at 105-120 DEG C, and finally mixing fully and feeding into a double-screw extruder for melt blending and extruding at 160-180 DEG C, thereby obtaining the biology base degradation dedicated material. The product made of the biology base degradation dedicated material prepared through the method has greatly improved mechanical and physical performances.
Owner:宁夏卓业生物科技工程有限公司

Processing method of lignite

The invention discloses a processing method of lignite, comprising the following steps: A, taking methyl alcohol as extractant to carry out supercritical extraction processing to the lignite to obtain extraction liquid and raffinate; B, carrying out hot melt catalysis liquefaction processing to the raffinate to obtain liquid fuel. The invention has the beneficial effect: 1, the invention has moderate reaction condition, simple operation technology, high liquid oil yield, high domestication degree, low input and low cost and is safe and stable, and higher conversion rate of lignite; 2, the invention can obtain humic acid, organic acid methyl ester and phenol substances (phenyl hydroxide, cresol, dimethyl phenol and the like) and increase the additional value of products; 3, the supercritical methyl alcohol adopted by the invention removes R-OH and R-COOH class micromolecule substances in the lignite, which can reduce hydrogen consumption amount in the process of hot melt catalysis liquefaction so as to reduce hydrogen consumption; meanwhile, CO2 discharge amount in the process of hot melt catalysis liquefaction can be greatly reduced so as to achieve the purpose of greenhouse gas emission reduction; and 4, the invention performs swelling pretreatment to the lignite, changes lignite micropore structure, amplifies response ratio superficial area and improves the conversion rate of the lignite.
Owner:ZHAOQING SHUNXIN COAL CHEM TECH
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