340 results about "Diphenyl ketone" patented technology

The invention provides an engineering plastic with high wearing resistance. The engineering plastic is made from the following raw materials by weight: 80-100 parts of polyformaldehyde, 20-40 parts of polyamide, 20-50 parts of polycarbonate, 25-40 parts of acrylonitrile-butadiene-styrene copolymer, 10-30 parts of epoxy resin, 12-20 parts of polytrimethylene terephthalate, 1-5 parts of diphenylmethane bismaleimide, 10-15 parts of polyphenyl ether, 20-40 parts of polyether-ether-ketone, 10-20 parts of polytetrafluoroethylene, 5-10 parts of melamine, 4-12 parts of boric acid alkanolamide, 2-6 parts of polyethylene glycol, 4-12 parts of phenolic ether phosphomonoester, 5-15 parts of polymethyl methacrylate, 10-20 parts of organic silicone oil, 5-10 parts of silane coupling agent, 3-5 parts of zinc stearate, 10-20 parts of glass fibre, 12-20 parts of graphite, 5-10 parts of silicon carbide whisker, 5-8 parts of nanometre titanium oxide, 4-6 parts of diphenyl ketone, 3-8 parts of butylated hydroxyanisole and 15-30 parts of filler. The engineering plastic provided by the invention has a good wear-resisting property.

The invention discloses a wideband, uvioresistant and highly lightfast finishing agent as well as a preparation method and application thereof. The uvioresistant and highly lightfast finishing agent consists of a benzotriazole and diphenyl ketone ultraviolet absorbent, a defoaming agent, a dispersing agent and water and is prepared by ball milling or sanding, wherein the total content of the ultraviolet absorbent is from 20 to 50 g/L. The finishing agent is used for dyeing a hydrophobic chemical fiber fabric by adopting a dyeing exhaust process, or is finished on the hydrophobic chemical fiber fabric or a hydrophilic fiber fabric by adopting a pad-bake process, thereby increasing the ultravioresistant performance of the fabrics and enhancing the fastness to sunlight of the dyed fabrics. The finishing agent used for dyeing the hydrophobic chemical fiber fabric has high rate of dye-uptake, simple operation, material saving, low cost, less pollution, and obvious effects on increasing the ultravioresistant performance of the fabrics and the fastness to sunlight of the dyed fabrics. The fastness to sunlight of the fabrics dyed or finished by the finishing agent can be increased by 0.5 to 1.

The invention relates to a methacrylic acid-styrene-hydroxyethyl acrylate copolymer dispersant and a preparation method and application thereof. The methacrylic acid-styrene-hydroxyethyl acrylate copolymer dispersant is synthesized with styrene, methacrylic acid and hydroxyethyl acrylate as monomers, and cerous chloride-2-isopropyl-thioxanthone complex, cerous chloride-anthraquinone complex or cerous chloride-diphenyl ketone complex as a photoinitiator through photo initiated radical copolymerization. The dispersant provided by the invention can have a good dispersion effect on inorganic powder and pesticide preparations, and can be compounded with a wetter to take good dispersion effect on pesticide water-borne preparations.

The invention discloses a water-based ultraviolet-curing printing ink and a preparation method thereof. The printing ink comprises the following raw materials by weight: 20-30 parts of epoxy acrylic resin, 10-15 parts of polyurethane acrylic resin, 5-10 parts of polyester acrylic resin, 4-6 parts of diphenyl ketone, 2-4 parts of 2,2-diethoxyacetophenone, 10-15 parts of pigments, 2-3 parts of isopropanolamine, 8-12 parts of pentaerythritol triacrylate, 15-20 parts of diacrylic acid-1,6-hexylene glycol ester, 3-5 parts of propylene glycol ethyl ether, 1-2 parts of a fluorocarbon surfactant FC-4430, 0.5-1 part of a defoamer BYK-019, 3-5 parts of a compound filler and 20-25 parts of de-ionized water. The water-based printing ink is excellent in performance, can be instantly cured after being irradiated by ultraviolet rays, is free from evaporation of a petroleum solvent, cannot pollute the environmental and is safe to use; the printing ink can be still kept stable in performance and cannot be mildewed after being stored in the printing process and even an ink fountain for a long term; a printed product is good in color stability and high in brightness, and an ink layer is higher in friction resistance, chemical resistance and adhesiveness; the printing ink has a wide application prospect.

The invention discloses an industrial synthesis method of high-thermal-stability blocked binphenyl-structure-containing polyaryletherketone resin. The industrial synthesis method of the high-thermal-stability blocked binphenyl-structure-containing polyaryletherketone resin comprises the following steps: carrying out polymerization reaction based on paradioxybenzene, biphenol and 4,4'-difluoro diphenyl ketone or 4,4'-difluoro triphenyl diketone as reaction monomers, a high boiling point organic solvent as a solvent, alkali carbonate as a salt-forming agent and asymmetric aromatic ketone-based derivative as a blocking agent, so as to obtain polymerization mucosal fluid; cooling the polymerization mucosal fluid and smashing the cooled polymerization mucosal fluid into powder, filtering and boiling and washing with an organic solvent and deionized water for removing the solvent and byproduct salt, and drying, thus obtaining the binphenyl-structure-containing polyaryletherketone resin. The industrial synthesis method of the high-thermal-stability blocked binphenyl-structure-containing polyaryletherketone resin has the advantages that sodium carbonate alkali metal is individually adopted as a catalyst, and a good blocking effect is realized after the blocking agent is added; besides, no polymerization phenomenon is caused in a system, and the obtained blocked binphenyl-structure-containing polyaryletherketone resin has high temperature thermal stability.

The antiseptic and insecticidal skin cleaning agent is compounded with palmityl trimethyl ammonium chloride, flavescent sophora root, skullcap root, rose, camphor, borneol, eucalyptus oil, cubeba oil, diphenyl ketone-4 and EDTA disodium in certain proportion. The preparation process includes ultrasonic extraction of flavescent sophora root, skullcap root and rose with 95 % concentration alcohol and concentration; dissolving palmityl trimethyl ammonium chloride with pure water, and adding the extract of flavescent sophora root, skullcap root and rose; dissolving diphenyl ketone-4 and EDTA disodium in pure water; emulsifying camphor and borneol via stirring; adding eucalyptus oil, cubeba oil and hydrogenated castor oil; and adding pure water via stirring. The present invention has effects of clearing away heat and toxic material, diminishing inflammation, etc. and is used in treating acne, vaginitis, beri-beri and skin inflammation.

The invention relates to the technical field of clean energy, in particular to clean fuel oil. The clean fuel oil is prepared from methanol, vacuum one-line heavy diesel oil, a combustion improver, sebate, 2-hydroxy-4-n-octyl-oxy-diphenyl ketone, a metal deactivator, pentaerythritol ester, biodiesel, benzyl alcohol, C4-12 fatty alcohol, a solubilizing surfactant and a cetane number improver according to a certain proportion. As various additives of certain quantities are added into methanol and vacuum one-line heavy diesel oil, the clean fuel oil is excellent in stability while the methanol content is high, and is low in corrosivity and swelling property, is as good as 0# diesel oil in energy consumption and power performance, and meets the national standards of physical and chemical quality indexes of 0# diesel oil. As the clean fuel oil contains large quantities of methanol and biodiesel, not only is the consumption of mineral diesel oil reduced, but also emission of hazardous substances and smoke is effectively reduced, the environmental protection performance is excellent, and the exhaust emission index meets the European No. VI emission standard.

Disclosed is an o-hydroxyl-diphenyl ketone- rare earth complex and its preparation method and uses, which has a chemical formula of REL3-r(OH)x*mH2O, wherein RE is one from Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, Yb, or the combination of some of them by any proportion, or the mixed rare earth mainly containing these elements, L is ortho-hydroxyl diphenyl ketone anion, x=0-2, m=0-3. The invention also discloses the use of the complex as organic macromolecular material light-stability agent, which has the advantages of substancial optical stabilization property and improved heat-proof quality.

The process of synthesizing letrozole includes the first reducing 4, 4'-dicyan diphenyl ketone with sodium borohydride in alcohol solvent to produce 4, 4'-dicyan diphenyl methanol; the subsequent halogenating 4, 4'-dicyan diphenyl methanol in non-polar solvent to produce 4, 4'-dicyan diphenyl methane halide; and the final condensation reaction between 4, 4'-dicyan diphenyl methane halide and 1, 2, 4-triazole in non-polar solvent to produce letrozole. The process has simple operation, high safety and low material cost, and is suitable for industrial production of letrozole.

The invention discloses an organic phase electrolyte and an application thereof in a negative electrode of a redox flow battery. The organic phase electrolyte consists of active materials, a supporting electrolyte and an organic solvent, wherein the active materials are diphenyl ketone and a derivative thereof, anthrone and a derivative thereof, or dibenzoyl methane and a derivative thereof; the supporting electrolyte is selected from tetraethylammonium hexafluorophosphate, tetraethylammonium tetrafluoroborate, tetrabutylammonium hexafluorophosphate or tetrabutylammonium tetrafluoroborate; and the organic solvent is selected from acetonitrile, tetrahydrofuran, propylene carbonate, ethylene carbonate, dimethyl sulfoxide, dimethylformamide, glycol dimethyl ether or ethylene glycol diethyl ether. The organic phase electrolyte disclosed by the invention has relatively low electrochemical potential and high electrochemical property; when the organic phase electrolyte is used as the negative electrode electrolyte of the redox flow battery for assembling an organic phase redox flow battery, relatively high open-circuit voltage can be realized, so that the energy density of the battery can be improved; and meanwhile, the capacity fading of the battery can be lowered, so that the cycle life of the battery can be prolonged.

The invention relates to a novel luminous material containing a triphenylethylene carbazole derivative structure, which belongs to the technical field of the organic luminous materials. When synthesis is performed, the synthesis of carbazyl diphenyl ketone is performed firstly, and then keto carbonyl is converted into double bond through an organic functional base transition method and then connected with other aromatic groups. The art of the synthetic method of the invention is simple, the purification is easy, the synthesized organic luminous material containing the triphenylethylene carbazole derivative structure has a high thermal stability, a high glass-transition temperature and a strong illumination intensity, and mainly emits blue light, thus the material is very suitable for preparing the material of photogenic layers in organic electroluminescent material devices, in addition, the luminous material with aggregation-induced emission effect can be serviced as stimuli-response functional material to be applied to chemical/biochemical sensors.

The invention discloses a graphene-oxide-modified polypropylene composite material which is prepared from graphene-oxide-modified polypropylene, ethylene propylene diene monomer rubber, a butadiene-acrylonitrile copolymer, a silane coupling agent, zinc borate, magnesium hydroxide, pentaerythritol, epoxy soybean oil, tritolyl phosphate, pentaerythritol stearate, yttrium oxide, nano mica powder, talcum powder, silicon micropowder, 1,3,2,4-di(3,4-dimethylbenzylidene)sorbitol, an ethylene-octylene copolymer and 2-hydroxy-4-n-octyloxy diphenyl ketone. The graphene-oxide-modified polypropylene composite material has the advantages of high strength, excellent heat resistance, excellent flame retardancy and favorable heat stability.

The invention discloses a synthesis method of a 3'-acyl-2,4'-dihydroxyl diphenyl ketone compound, and belongs to the technical field of organic synthesis. The key point of the technical scheme of the invention is as follows: the synthesis method of the 3'-acyl-2,4'-dihydroxyl diphenyl ketone compound particularly comprises the following processes: disoolving a 3,4-diene-2-pentanone compound and a 3-formyl chromone compound into a first solvent, performing stirring reaction at a temperature of 50 to 80 DEG C under the acidic condition, adding a second solvent and alkali, and performing stirring reaction at 60 to 100 DEG C to prepare the 3'-acyl-2,4'-dihydroxyl diphenyl ketone compound. The 3'-acyl-2,4'-dihydroxyl diphenyl ketone compound is synthesized through one-pot multi-step cascade reaction of the 3,4-diene-2-pentanone compound and the 3-formyl chromone compound; the synthesis method of the 3'-acyl-2,4'-dihydroxyl diphenyl ketone compound has the advantates of simplicity and convenience in operation, mild condition, wide application range of substrates and the like, and is suitable for industrialized production.

The invention provides a high-temperature silicone rubber material resistant to strong ultraviolet radiation. The high-temperature silicone rubber material resistant to strong ultraviolet radiation is prepared from, by mass, 3-6 parts of nano titanium dioxide, 3-6 parts of diphenyl ketone, 75-85 parts of methyl vinyl silicone rubber I, 15-25 parts of methyl vinyl silicone rubber II, 20-30 parts of white carbon black, 95-105 parts of aluminum hydroxide micro-powder, 3-7 parts of zinc oxide, 2-5 parts of iron oxide red, 4-8 parts of hydroxyl silicone oil, 2-5 parts of methyl silicone oil and 2-5 parts of a vulcanizing agent. The high-temperature silicone rubber material can absorb ultraviolet rays, has an extremely strong strong-ultraviolet-irradiation resisting function, is applied to a compound metal oxide lightning arrester sheath used in a high-altitude area and can delay the aging of a metal oxide lightning arrester and ensure the safe operation of a power system.