97 results about "P-phenylphenol" patented technology

The invention discloses a capacitor film with biaxially oriented polypropylene as a base body and a preparation method thereof. The capacitor film comprises the raw materials in parts by weight: 68-72 parts of biaxially oriented polypropylene, 23-28 parts of LDPE (low-density polyethylene), 10-15 parts of homo-polypropylene, 3-5 parts of epoxy linseed oil, 2-3 parts of polyving akohol, 1-2 parts of aluminium hydroxide, 1-2 parts of polyisobutene, 8-12 parts of diatomite, 1-2 parts of ferrocene, 0.7-0.9 part of poly-4-methyl-1-amylene, 10-12 parts of K-feldspar powder, 1-3 parts of nanosilicon dioxide, 0.9-1.1 parts of 2,6-di tert butyl phenol-alpha-dimethylamino phenol, 1-3 parts of calcium stearate, 1.4-1.6 parts of phenyltriethoxysilane, and 1.7-2.3 parts of modified tree ash. The biaxially oriented polypropylene serving as a primary material, low-density polyethylene serving as an auxiliary material and a plurality of auxiliary materials are mixed, extruded and subjected to film blowing, shaping and cutting to prepare the capacitor film. The capacitor film is simple in preparation method; and the diatomite, the K-feldspar powder, the nanosilicon dioxide and the modified tree ash are added to the materials at the same time. Therefore, the barrier property and the gas tightness of the film are increased; and the capacitor film has good resistance to pressure and shock resistance, and has the characteristics of high heat sealing strength and good heat sealing property at the same time.

The invention discloses a preparing method of liquid crystal epoxy resin oligomer and epoxy resin composition. The method comprises that: p-phenylphenol, epoxy chloropropane, phase transfer catalyst, sodium hydroxide and distilled water as raw materials are reacted to prepare the liquid crystal epoxy resin oligomer. The epoxy resin composition comprises: mixing the prepared liquid crystal epoxy resin oligomer and other raw materials based on weight proportionality: 10-30 parts of liquid crystal epoxy resin oligomers by weight, 10-30 parts of o-cresol-formaldehyde epoxy resins by weight, 5-25 parts of melamine modified linear phenol aldehyde resins by weight, 60-150 parts of spherical silicon micronized quartz powders by weight, 0.1-2 parts of curing accelerators by weight, 2-10 parts of flexibilizers by weight, 0.6-5 parts of resin acceptors by weight and 0.5-5 parts of lubricants by weight, which are mixed for smelting, crushed and demagnetizing to prepare the epoxy resin composition comprising side chain liquid crystal structure. The epoxy composition has good heat-resistant property and good physical mechanical property, is suitable for the encapsulations of large scale and grand scale integrated circuits.

A carried TiO2 catalyst used for synthesizing the phenyl oxalate used to prepare diphenyl carbonate (DPC) by ester exchange is prepared through preparing the dipping liquid, pretreating carrier, mixing it with said dipping liquid, hydrolyzing, drying and calcining. It has high activity and no pollution.

The invention provides a preparation method of a vanadium-nitrogen co-doped TiO2 photocatalyst. According to the invention, vanadium source is sufficiently dissolved into a mixed phase of tetrabutyl titanate, diethanolamine and ethanol; a vanadium source auxiliary solvent is added to the materials, and the materials are stirred under room temperature, such that the mixed liquid turns into a yellow transparent solution; under severe stirring, the mixed liquid is gradually dropped into a mixed liquid of acetic acid and deionized water in an ice-water bath; the obtained mixture is allowed to react for 1 to 3 hours while stirring, such that the reaction liquid turns into a translucent sol; the translucent sol is positioned in a water bath kettle with a temperature of 308K to 348K, and the solis aged for 12 to 48 hours; the aged sol is positioned in a drying baker, and is dried by baking under a temperature of 353K to 393K; the solid obtained by baking is grinded, and is calcined for 1 to6 hours under a temperature of 573K to 873K; the powder obtained by calcining is grinded again, such that vanadium-nitrogen co-doped TiO2 is obtained. As results of experiments, vanadium-nitrogen co-doped TiO2 synthesized in the invention has good photocatalytic activity and excellent degradability upon phenol; the method is simple and easy to control; and less TiO2 is doped, such that the cost is low, and the method is suitable for industrialized productions.

The invention discloses a metal antirust paint containing a modified pure acrylic emulsion, and its preparation method. The metal antirust paint comprises the following raw materials, by weight, 25-30 parts of an ABS resin, 17-23 parts of a phenolic resin, 18-22 parts of titanium dioxide, 9-11 parts of a silicone-acrylic emulsion, 1.3-1.8 parts of dodecylamine, 1.5-3.0 parts of diethanolamine, 15-20 parts of polycaprolactone, 0.4-1.0 part of Tween-80, 0.3-0.5 parts of 2-n-octyl-4-isothiazoline-3-one, 0.2-0.4 parts of polydimethylsiloxane, 0.1-0.3 parts of 2,6-di-t-butyl-alpha-dimethylamino-p-phenol, 1.2-1.5 parts of modified nanometer carbon, 1-3 parts of the modified pure acrylic emulsion, 0.2-0.4 parts of chitosan, 0.4-0.8 parts of citric acid, 0.5-1.0 part of 3-aminopropyltrimethoxysilane, and 1.0-1.5 parts of carboxymethyl cellulose. The film of the metal antirust paint has the advantages of good adhesion, fast drying, heat resistance, environmental protection and no pollution, and the modified pure acrylic emulsion and the modified nanometer carbon which are added to the raw materials improve the excellent performances of high-polymer materials in the raw materials and simultaneously increase the corrosion resistance and the heat resistance of the metal antirust paint, and the preparation method has the advantages of simplicity, low cost and suitableness for large-scale production.

The invention relates to a synthesis method of hydroquinone. The method is characterized by comprising the following steps: carrying out catalytic oxidation on phenol and oxygen to generate a mixture of p-benzoquinone and o-benzoquinone, wherein a catalyst is copper and sodium complex salt; distilling to remove solvent, adding water in residual materials, and separating p-benzoquinone and o-benzoquinone by distillation; reducing separated p-benzoquinone with a reducing agent to obtain hydroquinone, filtering out hydroquinone crude product and recrystallizing so as to obtain hydroquinone crystal; and concentrating a mother liquid obtained by filtering out hydroquinone or catechol crude product to obtain an ammonium sulfate fertilizer. The synthesis method has simple process, mild reaction conditions and short reaction period, and the yield of hydroquinone in the product is larger than that of catechol.

The invention belongs to the technical field of environmental engineering, and in particular, relates to an application of filamentous oil producing alga tribonema in removal and degradation of industrial phenol pollutants in an environment, and specifically, relates to the application of the filamentous oil producing alga in treatment of industrial phenol pollution in the environment. Compared with unicellular algae, the used filamentous alga has the advantages of easy recovery, strong stress resistance and the like, can directly achieve efficient recovery through filter cloth filtration, low-speed centrifugation and other methods without addition of a flocculant, and prevents water body secondary pollution; at the same time, the tribonema has excellent abilities to absorb and degrade phenol and derivatives thereof and can continuously reduce the phenol concentration to 1-2 mg/L from phenol wastewater with the concentration of 200-800 mg/L, the removal rate of the phenol pollutants can reach 99%, and the oil content of obtained algal biomass can reach 40-50%, and the need of extraction of biological oil can be fully met. The method provides an efficient and low-cost way for resource utilization of industrial phenol-containing wastewater.

The invention discloses a metal antirust paint treating modified attapulgite as a filler, and its preparation method. The metal antirust paint comprises the following raw materials, by weight, 22-27 parts of a water-soluble phenolic resin, 15-20 parts of a polyurethane-polyacrylate composite emulsion, 18-22 parts of the modified attapulgite, 7-9 parts of a silicone-acrylic emulsion, 1.0-1.5 parts of triethanolamine, 18-22 parts of polycaprolactone, 0.7-0.9 parts of Span-60, 0.1-0.3 parts of polybutylene terephthalate, 0.7-0.9 parts of poly-4-methyl-1-pentene, 0.4-0.6 parts of 2,6-di-t-butyl-alpha-dimethylamino-p-phenol, 1.5-2.5 parts of a modified acrylic emulsion, 0.5-0.8 parts of chitosan, 0.2-0.4 parts of ethylene bis-stearamide, 0.8-1.2 parts of tris(methoxyethoxy)vinylsilane and 1.3-1.8 parts of a polyvinyl acetate emulsion. The film of the metal antirust paint has the advantages of good adhesion, fast drying, good heat resistance, environmental protection and no pollution, and the modified attapulgite and the modified acrylic emulsion added to the raw materials improve the excellent performances of high-polymer materials in the raw materials and simultaneously increase the corrosion resistance and the heat resistance of the metal antirust paint; and the preparation method has the advantages of simplicity, low cost and suitableness for large-scale production.

The invention discloses a preparation method of a microorganism-nano particle composite system used for degrading phenol. The preparation method comprises the following steps: at first, introducing a temperature sensitive polymer into the hollow cavities of hollow porous silica nanoparticles; then grafting the composite nanoparticles onto the surfaces of bacteria. Under the condition of a lower temperature, the composite nanoparticles can adsorb phenol from liquid waste and can release the adsorbed phenol molecules at a higher temperature, by means of this process, the relative concentration of phenol around the bacteria increases, so as to speed up the metabolism process. The phenol is completely degraded by the microbial metabolism and is converted into carbon dioxide and water, and no secondary pollution is generated. The temperature sensitive polymer is introduced into the hollow cavities of the hollow porous silica nanoparticles to increase the adsorbing capacity of the nanoparticles on one hand, and the adsorption and desorption of the phenol on the nanoparticles can be achieved at different temperatures on the other hand. The invention provides a wider selection for wastewater treatment agents.

The invention discloses a preparation method of a Pd/MOF catalyst for phenol catalytic hydrogenation upgrading, and relates to the technical field of catalysts, the preparation method comprises the steps of preparation of a Ni-containing MOF carrier, Pd loading and the like, and the prepared hollow box type Pd/MOF catalyst has high activity for phenol catalytic hydrogenation in a water phase; a phenol extraction step from sawdust pyrolysis to phenol catalytic hydrogenation is reduced, the reaction efficiency is improved, and the energy loss is reduced. Meanwhile, catalytic hydrogenation of phenol can also be carried out in a normal-pressure H2 atmosphere, so that the energy consumption in the hydrogenation process is further reduced, and the requirements on reaction equipment are further reduced.

The invention relates to a preparation method of novel phosphorus-containing biphenyl novolac epoxy resin and condensate of the novel phosphorus-containing biphenyl novolac epoxy resin. The preparation method of the resin comprises the following steps of: dissolving 4,4'-bipheyl dimethyl dimethyl ether and p-phenylphenol in an organic solvent; heating to reach the temperature of between 60 DEC and 180 DEG C to react for 3 to 8 hours so as to prepare biphenyl novolac resin; performing epoxidation under the action of a base catalyst and keeping a reaction temperature at 50 DEG C to 80 DEG C for 2 to 3 hours to prepare biphenyl novolac epoxy resin; and reacting the biphenyl novolac epoxy resin with a phosphorus-containing activated monomer to prepare the novel phosphorus-containing biphenyl novolac epoxy resin. The phosphorus-containing biphenyl novolac epoxy resin has superior flame retardant property, heat resistance and water resistance; and the preparation method is simple and feasible. The epoxy resin is suitable to be used as a sealing material and an adhesive used in electronic elements and an electric insulating material used in an electronic circuit substrate.

The invention discloses a method for removing phenol in waste water by enzyme catalysis. Biosurfactant di-rhamnolipid is mainly utilized to promote laccase catalysis, namely the di-rhamnolipid and the laccase are added in the waste water containing the phenol, the pH value of the waste water is adjusted to 4-7, and the temperature of liquid is controlled to be 25-50 DEG C; and then the mixed waste water is drastically stirred for more than 15 minutes, the liquid passes through a filter membrane with below 0.45mum after standing reaction is carried out, so as to remove the phenol in the waste water. In the processing method in the invention, the phenol removal effect is good, the efficiency is high, the operation is simple and the cost is low.

The invention discloses a measuring method of phenol content in a toy material. The method comprises the steps of: pretreating a sample through an ultrasonic extraction method; filtering the extraction liquid into a chromatogram bottle for instrumental analysis; detecting phenol by a high performance liquid chromatography technology with a C8 or C18 liquid chromatographic column, which has flow of 0.1-3ml/min, an injection volume of 10-50 microliters, and a temperature of 20-50DEG C; subjecting the extraction liquid to elution treatment through a mobile phase; conducting analysis and detection to the extraction liquid separated by the chromatographic column. The method of the invention simplifies the pre-treatment operation in terms of detection and is convenient for operation. The method employs ultraviolet and fluorescence signals simultaneously to carry out qualitative and quantitative detection to phenol, thus having a strong anti-interference capability. By choosing an appropriate chromatographic column, controlling an appropriate mobile phase, and setting appropriate flow and column temperature, the method provided in the invention can carry out an optimum separation to phenol.

The invention discloses a preparation method of a (BiO)2CO3-BiO2-x composite photocatalyst and belongs to the technical field of photocatalysis. The preparation method of the (BiO)2CO3-BiO2-x composite photocatalyst comprises dissolving NaBiO3*2H2O and a certain amount of g-C3N4 into deionized water, stirring the mixture for 30 min, then stirring in NaOH solution for 30 min, performing hydrothermal reaction at 180-200 DEG C for 4-10 h, after reaction is completed , cooling down and filtering out precipitates, washing the precipitates through deionized water and ethyl alcohol, and then drying the precipitates to obtain (BiO)2CO3-BiO2-x. According to the prepared (BiO)2CO3-BiO2-x composite photocatalyst, the composite BiO2-x improves absorptivity of (BiO)2CO3 to visible light and inhibits compounding of photo-induced electrons and holes at (BiO)2CO3 and accordingly improves the visible light catalyzing performance of (BiO)2CO3, especially, achieves a degradation rate of bisphenol A up tohigher than 70% and a degradation rate of phenol up to higher than 50%.

The invention discloses an aluminum-doped SnO2 electro-catalytic positive pole which is composed of a titanium base body and a positive pole coating that coats the titanium base body; the positive pole coating is composed of, by molar ratio, 600-700 parts of citric acid, 100-300 parts of ethylene glycol, 100-200 parts of tin tetrachloride, 5-10 parts of antimony trichloride, and 1-3 parts of aluminum chloride. The positive pole has high activity and has good degradation effect on phenol wastewater. The SnO2 electro-catalytic positive pole is doped with aluminum, so that the cost is low. The invention also provides a preparation method and an application of the positive pole.

Disclosed is a two-layer type powder cosmetic preparation containing (a) an antibacterial zeolite powder and (b) 50-90% by mass of ethanol that serves as a base agent, which is characterized by additionally containing (c) glutathione and/or L-cysteine and (d) zinc paraphenolsulfonate. The two-layer type powder cosmetic preparation exhibits excellent re-dispersibility and discoloration prevention of the antibacterial zeolite powder (a). The two-layer type powder cosmetic preparation contains ethanol as a main base agent and has an antibacterial zeolite powder, which is insoluble in ethanol, blended therein. The two-layer type powder cosmetic preparation exhibits extremely excellent re-dispersibility of the antibacterial zeolite powder (a), and is capable of preventing discoloration of the antibacterial zeolite powder (a) when the cosmetic preparation gets on clothes.

The invention provides a coal gangue in-situ carbon activation material as well as a preparation method and application thereof, and belongs to the technical field of catalytic materials. The invention provides a preparation method of a coal gangue in-situ carbon activation material, which comprises the following steps: sequentially carrying out mechanical activation, chemical activation, calcination and functional group grafting treatment on coal gangue to obtain the coal gangue in-situ carbon activation material. The calcining atmosphere is inert atmosphere. The functional group in the functional group grafting treatment is at least one of hydroxyl, sulfydryl, amino, carboxyl, sulfonic group and acylamino. The result of the embodiment shows that when the addition amount of the coal gangue in-situ carbon activation material prepared by the preparation method provided by the invention is 0.5 g/L, the degradation rate of phenol (25mg/L) for 10 minutes exceeds 87%, and the degradation rate of naphthalene (10mg/L) for 10 minutes exceeds 85%.

The invention relates to the field of water pollution treatment, and provides a silanized reduced graphene oxide-titanium dioxide composite material, and a preparation method and application thereof.According to the preparation method, tetrabutyl titanate is subjected to in-situ reduction and then compounded with graphene oxide, and then the formed mixture reacts with N-(trimethoxysilylpropyl)ethylenediamine triacetic acid sodium salt so as to prepare the composite material which takes graphene oxide as a substrate and is bonded with titanium dioxide and N-(trimethoxysilylpropyl)ethylenediamine triacetic acid sodium salt. The silanized reduced graphene oxide-titanium dioxide composite material prepared by the method has good adsorption performance on pollutants and good photocatalytic performance. Results of embodiments show that the silanized reduced graphene oxide-titanium dioxide composite material provided by the invention can effectively reduce the content of pollutants Cd<2+>, and has a good degradation effect on phenol.

The invention relates to a method for degrading phenol in wastewater. The technical scheme is as follows: the method comprises the following steps: adding 0.1-2.5g of activated carbon with particle sizes of 0.4-0.7mm into every liter of phenol-containing wastewater, and carrying out microwave treatment on the water sample, of which the phenol concentration is 600mg/L, under the microwave power of 600W for 1-5 minutes; and inoculating 1 vol% of phenol degrading bacterium into the wastewater at 24-40 DEG C, and carrying out oscillation culture under the pH value of 5.5-9.5 for 48 hours. The invention has the advantages of high speed, high efficiency, energy saving, consumption reduction, no secondary pollutant generation in the treatment process, obviously enhanced biochemical quality, favorable pollutant removal effect and obviously higher effluent water quality, and is simple to operate.