339 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 method for synthesizing 4-(4,6-dichloro-1,3,5-triazine-2-oxo)-2-hydroxyl phenyl benzophenone serving as a novel reactive ultraviolet absorbent (UV-DTHM) and application of the UV-DTHM to the uvioresistant arrangement of cotton fabrics, and belongs to the technical field of functional aids. The method comprises the following steps of: performing etherification reaction of diphenyl ketone (UV-O) and trichloro-s-triazine (CYC) which serve as raw materials under the catalysis of sodium hydroxide, wherein a ratio of UV-O to CYC to NaOH is 1:2.0:1.5; reacting in a mixed solvent of acetone and water at the temperature of 0 DEG C for 5 hours to obtain the UV-DTHM, and the yield of the UV-DTHM is 82.5 percent. The UV-DTHM has the excellent ultraviolet absorption performance, and is high in heat stability; and active groups are contained in a molecular structure and can be reacted with substances containing groups such as animo, hydroxyl and the like. The UV-DTHM is applied to the uvioresistant arrangement of white cotton fabrics to achieve an excellent uvioresistant effect (the value of an ultraviolet protective factor (UPF) reaches 67), and the UPF value is kept at 43+/-3 basically after the cotton fabrics are soaped for 30 times, so the UV-DTHM has an excellent soaping-resistant effect.

The invention relates to novel luminous material containing a carbazyl stilbene derivative structure, which belongs to the technical field of the organic luminous materials. When the synthesis is performed, two carbazyl diphenyl ketones (2) are connected by an aromatic compound containing two ylide groups; or the carbazyl diphenyl ketones are changed into an intermediate body (3) or an intermediate body (4) firstly, and then the carbazyl stilbene is coupled by a crossed coupling method. The art of the synthetic method provided by the invention is simple, the purification is easy, the synthesized organic luminous material containing the carbazyl stilbene derivative structure has a high thermal stability, a high glass-transition temperature and a strong illumination intensity, the material is suitable for preparing the material of photogenic layers in organic electroluminescent material devices, 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 relates to a novel nitrogen heterocycle ligand/phosphine ligand transition metal complex, and preparation and application thereof in asymmetric catalytic hydrogenation and hydrogen transfer. The complex has the following structural formula: [MLnL' XY], wherein the transition metal M is Ru, Rh, Ir, Pd, Pt, Co, Ni or Os. The complex also contains a nitrogen heterocycle ligand, two monophosphine ligands or one diphosphine ligand, and the like. The transition metal compound, dinitrogen or mononitrogen ligand and diphosphine or monophosphine ligand react at 0-120 DEG C in an organic solvent for 0.5-20 hours to obtain the complex. The complex is used for asymmetric catalytic transfer hydrogenation or asymmetric hydrogenation reaction, and especially for asymmetric catalytic hydrogenation reaction of ketones, esters, hypnones and derivatives thereof, diphenyl ketones and derivatives thereof, beta-N,N-dimethylamino-alpha hypnones and derivatives thereof and other ketone compounds of which the alpha site is a large steric hindrance alkyl group.

The invention discloses a liquid chromatography-mass spectrometry (LC-MS) detection method for diphenyl ketone ultraviolet-proof finishing agents in textiles. The LC-MS detection method comprises the following steps: (1) preparing a to-be-detected sample solution; (2) preparing standard solutions: preparing eight mixed standard working solutions in which the concentrations of the diphenyl ketone ultraviolet-proof finishing agents are 0.01-10mu g/mL to be serve as gradient standard solutions; (3) injecting the gradient standard solutions into a liquid chromatography-tandem mass spectrometer, and determining in a positive-negative-ion multi-reaction monitoring mode, and thus a standard curve equation is generated; and (4) taking the supernatant obtained in the step (1) and determining the diphenyl ketone ultraviolet-proof finishing agents in the supernatant and peak areas of the diphenyl ketone ultraviolet-proof finishing agents according to the method in the step (3) and calculating according to the standard curve equation in the step (3) to obtain the contents of the diphenyl ketone ultraviolet-proof finishing agents in the to-be-detected sample.

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 invention relates to a method for preparing polyetheretherketone and polyetheretherketone terpolymer by using sulfolane. It comprises following steps: the mole number of 4, 4'- difluoro diphenyl ketone and 4, 4'- difluoro triphen dione is more than that of eldopaque by 0.1-1%, the mle number of 4, 4'- difluoro triphen dione is 1-4% of that of total fluorin and acetone, the solid content in reaction system is 15-30%; filling dimethylbenzene with its mass being 10-20% of that of organic solvent, stirring, heating, adding mixed salt of alkali metal carbonate when monomer is totally dissolved and the temperature is between 75 to 85 Deg. C, reacting at constant temperature 230-260 Deg. C for 1-3 hours, stopping reaction, pouring product into cold water, cooling and disintegrating and filtering, boiling solid product with deionized water for several times, drying refined powder material in baking box, and getting said final product.

The invention discloses an N doped activated carbon-supported Pd-Fe catalyst for synthesizing diphenylcarbinol through catalytic hydrogenation of diphenyl ketone and application thereof. The N doped activated carbon-supported Pd-Fe catalyst is prepared from an N doped activated carbon carrier and active components Pd and Fe supported on the surface of the carrier, wherein the support capacity of Pd is 1 to 5 weight percent, and the support capacity of Fe is 1 to 5 weight percent; the granularity of N doped activated carbon is 100 to 1000 meshes, the specific surface area is 600 to 2000 m<2>/g,and the pore volume is 0.3 to 0.8 ml/g; an N element in the N doped activated carbon is directly doped in an activated carbon skeleton or between activated carbon and is connected by N-C bonds, wherein the N content is 0.5 to 10 weight percent. The invention provides the application of the N doped activated carbon-supported Pd-Fe catalyst in synthesizing the diphenylcarbinol through the catalytichydrogenation of the diphenyl ketone. High catalytic activity, high product selectivity, high catalytic hydrogenation reaction speed and high stability are expressed.

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 an optical polyester film. The optical polyester film adopts a single-layer A, double-layer A/B and three-layer A/B/A or A/B/C coextruded biaxially oriented polyester film, wherein the layer A or the layer A and the layer C contain polyester modified by 4.4'-dihydroxy diphenyl sulfone or 4.4'-dihydroxy diphenyl ketone; the thickenss of the optical polyester film is 12 to 350 microns. The surface performance of the polyester film is modified, so the adhesion fastness and the adhesive force with a functional layer are improved, and the hardness and the scratching resistance of the surface of the polyester film are improved. The optical polyester film can be widely applied to deep processing of a diffusion sheet, a prismatic lens, a protective film, in-film decoration, a window film and a photovoltaic material in a backlight module.

The invention discloses a novel self-hydrogen-supplying diphenyl ketone macromolecular photoinitiator shown in the specification and a preparation method thereof. Diphenyl ketone containing an epoxy group is used as a raw material and is subjected to ring-opening reaction under the action of a specific initiator, thus generating the novel self-hydrogen-supplying diphenyl ketone macromolecular photoinitiator. The macromolecular photoinitiator does not migrate after curing, is less prone to volatilize, reduces the odor, reduces the environmental pollution and has the characteristics of favorable resin compatibility and the like; and meanwhile, the macromolecular photoinitiator has the maximum advantage that the macromolecular photoinitiator is a self-hydrogen-supplying one, so that micromolecular auxiliary initiators do not need to be added, thereby avoiding the problems of migration, precipitation and the like during curing of the micromolecular auxiliary initiators in the photocuring process. Thus, the invention has wide application prospects in the field of photocuring. R is tert-butyl ethyl butyl.

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 relates to a preparation method for a polyimide film. The preparation method comprises the following steps that step 1, pyromellitic dianhydride and 4, 4'-diaminodiphenyl ether are placed in dimethylacetamide solvent for polymerization reaction, so that polyamide acid gel A is obtained; step 2, 3,3',4,4'-diphenyl ketone tetracarboxylic acid dianhydride and ursol are placed in dimethylacetamide solvent for polymerization reaction, so that polyamide acid gel B is obtained; step 3, the polyamide acid gel A and the polyamide acid gel B are mixed; step 4, ultrafine nano-montmorillonite powder dispersion liquid is prepared; step 5, the ultrafine nano-montmorillonite powder dispersion liquid is fully dispersed in polybasic polyamide acid gel, so that composite polyamide acid gel is obtained; step 6, the composite polyamide acid gel is made into a film through the tape casting technology, and finally the film is fed into an imidization furnace to be treated, so that the polyimide film is obtained. The polyimide film prepared through the preparation method has the performance advantages of low thermal expansivity, high strength, high stability, high electric strength and the like.

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 relates to an ultraviolet light curing glass paint and a preparation method thereof. The paint comprises organic silicon resin, modified epoxide resin, diluent and 1-hydroxide radical-cyclohexyl diphenyl ketone and is prepared by evenly mixing the materials. The paint is free from organic solvent and toxicity, and being combined, the materials have very good property of visible light penetration, prevent ultraviolet and infrared radiation and have very good heat-insulating property.

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.