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85 results about "Acenaphthylene" patented technology

Acenaphthylene is a polycyclic aromatic hydrocarbon. The molecule resembles naphthalene with positions 1 and 8 connected by a C₂H₂ unit. It is a yellow solid. Unlike many polycyclic aromatic hydrocarbons, it has no fluorescence.

Ethylene acenaphthylene (alpha-diimine) nickel complex/alkyl aluminum chloride combined catalyst

The invention relates to the field of catalytic polymerization of olefins, aiming at providing an ethylene acenaphthylene (alpha-diimine) nickel complex / alkyl aluminum chloride combined catalyst. The combined catalyst consists of an ethylene acenaphthylene (alpha-diimine) nickel complex and alkyl aluminum chloride, wherein the molar ratio of aluminum in alkyl aluminum chloride to nickel in the ethylene acenaphthylene (alpha-diimine) nickel complex is 20-800:1. Compared with the prior art, the combined catalyst provided by the invention has higher activity and better stability in catalyzing polymerization of ethylene and propene. According to the invention, alkyl aluminum chloride is used as a cocatalyst. Compared with that of using methylaluminoxane or modified methyl aluminoxane, cost is significantly reduced, and in addition, localization of alkyl aluminum chloride is realized, saving the need of importing.
Owner:ZHEJIANG UNIV

Acenaphthylene derivative, polymer, and antireflection film-forming composition

Novel compounds acetoxymethylacenaphthylene and hydroxymethylacenaphthyleneare disclosed. A polymer prepared from these novel compounds containing a structural unit of the formula (3), wherein R1 is a hydrogen atom and R2and R3 individually represent a monovalent atom or a monovalent organic group is also disclosed. The polymer is suitable as a component for an antireflection film-forming composition exhibiting a high antireflection effect and not causing intermixing with a resist film.
Owner:JSR CORPORATIOON

Solid phase extraction column based on graphene bonded silica gel, and preparation method and application thereof

The invention relates to a solid phase extraction column based on graphene bonded silica gel, which is used in concentration and separation of organic pollutants in an environmental water sample. A graphene bonded silica gel padding is prepared by taking 3-aminopropyl triethoxy silane (APTES) as the cross-linking agent; then graphene is bonded on the surface of silica gel; after product graphene bonded silica gel granules are evenly filled in a solid phase extraction column, the graphene bonded silica gel based solid phase extraction column is obtained. The performance indicators of the solid phase extraction column are tested through polycyclic aromatic hydrocarbons, including naphthalene, acenaphthylene, fluorene, phenanthrene, fluoranthene and pyrene, and the test result shows that the solid phase extraction column has good extraction efficiency, reproducibility and stability. The graphene bonded silica gel has the characteristics of big specific surface area, strong Pi electron adsorption ability and high extraction capacity of the graphene, and the stable mechanical property and good adsorption ability of the silica gel. Moreover, the solid phase extraction column based on the graphene bonded silica gel is low in preparation cost and simple to operate and is suitable to be used for pretreatment of low-concentration organic pollutants in a big-volume water sample. The solid phase extraction column has a good application prospect in the concentration and separation of environmental organic pollutants.
Owner:XINYANG NORMAL UNIVERSITY

Flame-retardant adhesive resin composition and adhesive film using the same

Disclosed is a halogen- and phosphorus-free flame-retardant adhesive resin composition which can be used in heat contact bonding of adherends at or below 250° C. and is excellent in heat resistance, solder heat resistance after moisture absorption, and processability. Also disclosed is an adhesive film produced from said composition. The flame-retardant adhesive resin composition comprises 65-98% by weight of a silicone unit-containing polyimide resin and 2-35% by weight of an epoxy resin having an acenaphthylene-substituted naphthalene skeleton. The adhesive film produced from the flame-retardant adhesive resin composition is suitable as an adhesive for a laminate for a multiplayer printed circuit board substrate, an adhesive for a hybrid circuit board substrate, and an adhesive for a coverlay film.
Owner:NIPPON STEEL CHEMICAL CO LTD

Method for removing polycyclic aromatic hydrocarbons in soil by using persulfate-calcium peroxide through compound oxidation

The invention discloses a method for removing polycyclic aromatic hydrocarbons in soil by using persulfate-calcium peroxide through compound oxidation, and belongs to the field of soil repairing. The method comprises the following steps: after sieving to-be-measured air-dried soil, mixing the soil with calcium peroxide evenly; then adding distilled water to obtain slurry; successively adding oxalate ions, ferrous ions and peroxydisulfate ions, and stirring uniformly to obtain slurry reaction liquid; then leaving the slurry reaction liquid standstill in a dark place so that the polycyclic aromatic hydrocarbons in the soil can be removed after reaction is finished. By the method, naphthalene, acenaphthylene, acenaphthene, phenanthrene, anthracene, fluoranthene, pyrene, benzo[a]anthracene, a component as shown in the specification, benzo[b] fluoranthene, benzo[a]pyrene, dibenzo[a,b]anthracene, benzo[ghi] perylene and indeno[1,2,3-cd] pyrene in a complicated environment of the soil can be removed effectively, the removal rate of the polycyclic aromatic hydrocarbons is high, neutral pH of the soil can be maintained, acidized soil is improved, and a catalyst and a chelating agent are adopted, so that the removal effect and the removal efficiency are enhanced.
Owner:NANJING AGRICULTURAL UNIVERSITY

Thianthrene compound, display panel and display device

The invention provides a thianthrene compound with a structure represented by the formula (I) in the description. Ar1 and Ar2 are independently selected from any one of a single bond, substituted or unsubstituted phenyl, substituted or unsubstituted naphthyl, substituted or unsubstituted anthryl, substituted or unsubstituted phenanthryl, substituted or unsubstituted acenaphthylene and substitutedor unsubstituted heteroaromatic ring; m is 0 or 1; D1 and D2 are independently selected from aryl or heteroaryl, and Ar2 and Ar3 are independently selected from aryl or heteroaryl. The thianthrene compound contains sulfur element and has high polarizability, and a material with high refractive index is obtained; the sulfur atom has good polarizability and high electron richness, so that the fusedring organic compound material has good charge transport properties and electron donating properties and is quite applicable as a capping layer (cathode cap layer, CPL) material.
Owner:WUHAN TIANMA MICRO ELECTRONICS CO LTD

Method for simultaneously removing USEPA PAHs in plant bodies by utilizing compound PAHs degrading bacteria

The invention discloses a method for simultaneously removing USEPA PAHs in plant bodies by utilizing compound PAHs degrading bacteria. Multiple functional bacteria are prepared into a microbial compound functional fungicide, a plant absorption promoter, cytokinin 6-BA or KT, auxin 2,4-D and cysteine are added to prepare a degradation agent, then the degradation agent is inoculated in the plant bodies, and the PAHs content in the plant body is reduced; the compound fungicide is prepared from 8 PAHs degrading bacteria different in degradation spectrum, wherein the degrading bacteria are Sphingobiumsp sp. RS1 and RS2, mycobacterium sp. Pyr9, 033, Diaphorobacter sp. Phe15 and Massilia sp. Pn2, Paenibacillus sp. Phe3, Pseudomonas sp. Ph6 respectively. The acenaphthylene, acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene, benzo[a] anthracene, benzo[b]fluoranthene, benzo[k]fluoranthene, benzo[a]pyrene, dibenzo[a,h] anthracene, benzo[ghi]indene and [1,2,3-cd] pyrene in each plant body in a contaminated area can be effectively removed and degraded, the removal rate of PAHs is high, and the method has the advantages of high efficiency, environmental protection and easy operation.
Owner:NANJING AGRICULTURAL UNIVERSITY

Compound, display panel and display device

The invention provides a compound, a display panel and a display device. The compound is in a structure shown as a formula (I), wherein R1 and R2 refer to electron-donating groups and independently selected from any one of C1-C20 alkyl groups, C3-C20 cycloalkyl groups, C1-C20 alkoxy groups, a phenyl, a biphenyl, a naphthyl, an anthryl, a phenanthryl, an acenaphthylene group, a pyrenyl, a perylenegrouop, a fluorenyl, a spirobifluorene group, a chrysene group, a benzo-phenanthryl, a benzo-anthryl, a fluoranthene group, a pyrene groupo, a furyl, a benzofuryl, a substituted or unsubstituted dibenzofuran group, a substituted or unsubstituted thienyl, a benzothiophene group, a dibenzothiophene group, a phenoxazine group, a phenazinyl, a phenothiazinyl, a thianthrene group, a carbazolyl, an acridinyl and a diarylamine group, and m is selected from an integer range of 1-4. The compound is a material with AIE characteristics and TADF characteristics, triplet-state excitons are converted into singlet-state excitons through a reverse intersystem conversion process to realize radioluminescence, and the exciton utilization rate of luminescent materials is increased.
Owner:WUHAN TIANMA MICRO ELECTRONICS CO LTD

Resist top coat composition and patterning process

A resist top coat composition includes a polymer including a base resin having a repeating unit p of styrene having a 1,1,1,3,3,3-hexafluoro-2-propanol group and a repeating unit q of acenaphthylene having chemical formula 1. R is hydrogen, hydroxyl. R1 is hydrogen, hydroxyl, linear or branched C1-C10-alkyl, cycloalkyl, acyloxy, alkoxycarbonyl, carboxyl, —OC(═O)R2. R2 is linear or branched C1-C10-alkyl, cycloalkyl or fluorinated alkyl. m is 1 or 2. p and q are positive numbers satisfying the expressions 0<p<1.0 and 0<q<1.0, and 0<p+q≦1.0.
Owner:SHIN ETSU CHEM IND CO LTD +1

Compound, display panel and display device

The invention provides a compound, a display panel and a display device. The compound has the structure shown in formula (I), L represents substituted or unsubstituted phenyl, naphthyl, pyridyl, pyrimidinyl and pyrazinyl; D is an electron-donating group and independently selected from any one of substituted or unsubstituted phenyl, biphenyl, naphthyl, anthryl, phenanthryl, acenaphthylene, pyrenyl,peryl, flurenyl, spiro bifluorenyl, benzophenanthryl, benzanthracene, fluoranthryl, picene, furyl, benzofuryl, dibenzofuryl, thienyl, benzothienyl, dibenzothienyl, phenoxazine, thianthryl, carbazolyl, acridinyl and diarylamino. The designed compound has a TADF characteristic and can emit light by triplet exciton of traditional fluorescence molecular transition inhibition so as to improve the device efficiency.
Owner:WUHAN TIANMA MICRO ELECTRONICS CO LTD

Resist-protective film-forming composition and patterning process

A pattern is printed by forming a photoresist layer on a wafer, forming a protective film thereon, exposure, and development. The protective film is formed from a composition comprising a copolymer of hydroxystyrene with acenaphthylene and / or vinylnaphthalene and a mixture of an alcohol solvent and an ether or aromatic solvent.
Owner:SHIN ETSU CHEM IND CO LTD

Spiro-heterocyclic compound containing indole structures and preparation method of spiro-heterocyclic compound

The invention relates to the field of pharmaceutical chemistry, and discloses a spiro-heterocyclic compound containing indole structures and a preparation method of the spiro-heterocyclic compound. The spiro-heterocyclic compound containing the indole structures comprises a dihydro-spiro[indole-3,4'-pyrazolo[3,4-e][1,4]thiazepine] diketones compound and a dihydro-spiro[acenaphthylene-1,4'-pyrazolo[3,4-e][1,4]thiazepine] diketones compound, and adopts the structure which is shown in a formula I and a formula II, wherein R1 is -CH3 or -Ph, R2 is -H, -CH3, -F, -Cl or -Br, R3 is -H or -CH3, and R4 is -H or -CH3; in addition, the preparation method comprises the steps as follows: isatin or acenaphthylenedione, a 5-aminopyrazole compound and mercapto carboxylic acid are dissolved in a solvent, organic acid or mineral acid is taken as catalytic agents, and reaction is performed for 8 to 24 hours at the temperature ranging from 65 to 95 DEG C. The spiro-heterocyclic compound has stable properties, the preparation method is simple to operate, the productivity of reaction products is high, and the post-processing is simple.
Owner:SUZHOU UNIV

Preparation method and reaction device of acenaphthylene

The invention relates to a preparation method and reaction device of acenaphthylene. The preparation method adopts the continuous gas-solid catalytic reaction process of the fixed bed reactor and comprises the following specific steps: A, melting the raw material acenaphthene; B, vaporizing the molten acenaphthene at 290-350 DEG C; C, vaporizing acenaphthene under the liquid space velocity of 0.1-1.0h<-1>, then fast mixing CO2 with gaseous acenaphthene in the molar ratio of 1:1-60:1 at 350-400 DEG C; and D, preheating the mixed gas to 560-700 DEG C, sending the preheated gas mixture in a reactor to flow through a catalyst bed layer, and performing catalytic oxydehydrogenation at 560-700 DEG C to prepare a liquid reaction product mainly containing acenaphthylene. The preparation method of the invention has the advantages of simple flow, continuous and convenient operation, low cost, low energy consumption and environmental friend; and the greenhouse gas CO2 is competely recycled and a new technical way for synthesizing acenaphthylene is provided.
Owner:EAST CHINA UNIV OF SCI & TECH

Epoxy resin, phenol resin, their production methods, epoxy resin composition and cured product

Disclosed is an epoxy resin having excellent fluidity and high filler filling property, which provides a cured product excellent in moisture resistance, heat resistance and flame retardance. This epoxy resin is suitable for sealing of electronic components and uses as circuit board materials. Also disclosed is a composition of such an epoxy resin. Specifically disclosed is an epoxy resin represented by the general formula (3) below, which is obtained by reacting epichlorohydrin with a phenol resin which is obtained by reacting 0.2-6.0 moles of indene or acenaphthylene with 1 mole of a bisphenol compound represented by the general formula (2) below. (In the formulae, X represents a single bond, -CH2-, -CH(CH3)-, -C(CH3)2-, -CO-, -O-, -S- or -SO2-; and R1-R4 independently represent a hydrogen atom or a substituent derived from indene or acenaphthylene).
Owner:NIPPON STEEL CHEMICAL CO LTD

High-efficiency electron beam irradiation-resistant composite polypropylene material

The invention discloses a high-efficiency electron beam irradiation-resistant composite polypropylene material which is characterized by taking polypropylene resin as a base material and containing the following components in parts by weight: 0.05-0.3 part of irradiation screening agents and 100 parts of polypropylene resin, wherein the irradiation screening agents are compound mixtures of trans-1,2-diphenyl ethylene oxide and acenaphthylene, and the weight ratio of trans-1,2-diphenyl ethylene oxide to acenaphthylene is 1:(0.2-0.5). The high-efficiency electron beam irradiation-resistant composite polypropylene material disclosed by the invention has yellowing-resistant property, is capable of keeping the molecular transparency and ensuring that the transparency of the material can not be reduced, and can achieve the yellow index less than 1 by reducing the integrated mechanical property of the material within 5% and achieve the yellow index less than 1.3 by being naturally aged at normal temperature for 6 months. According to the prepared medical irradiation-resistant composite polypropylene material, the impact resistant property of a base material is enhanced before and after irradiation; and the physical property, chemical property and biological property can completely meet the requirements of an international YY / T0242-2007 'special material for polypropylene for medical transfusion, blood transfusion and syringes'.
Owner:上海新上化高分子材料有限公司

Method for detecting polycyclic aromatic hydrocarbon content in smokeless tobacco products

The invention discloses a method for detecting polycyclic aromatic hydrocarbon content in smokeless tobacco products. The method includes the steps: extracting the smokeless tobacco products by the aid of extraction agents; detecting filtered extraction solution by the aid of a GC-MS / MS (gas chromatography-mass spectrometry). The method can simultaneously measure content of indene, naphthalene, 1-methylnaphthalene, 2-methylnaphthalene, acenaphthylene, acenaphthene, fluorine, phenanthrene, anthracene, fluoranthene, pyrene, benzo [a] anthracene, chrysene, benzo [b] fluoranthene, benzo [k] fluoranthene, benzo [j] fluoranthene, benzo [e] pyrene, benzo [a] pyrene, perylene, indene [1, 2, 3-cd] pyrene, diphenyl [a, h] anthracene, benzo [g, h, i] pyrene and the like in the smokeless tobacco products. The method fills in gaps of the prior art and has the advantages that the method is simple, convenient and rapid in sample pretreatment, goof in detection accuracy and repeatability and high in analytical test flux, and the method is applicable to rapid analysis of large-batch samples.
Owner:YUNNAN TOBACCO QUALITY SUPERVISION MONITORING STATION

Method for simultaneously detecting content of 22 polycyclic aromatic hydrocarbon matters in cigarette smoke

ActiveCN106248835AGood effectLow requirements for matrix purityComponent separationAcenaphthyleneTrapping
The invention discloses a method for simultaneously detecting content of 22 polycyclic aromatic hydrocarbon matters in cigarette smoke. The method comprises the following steps: trapping total particular matters in cigarette main stream smoke by adopting a filter; extracting the trapping filter by utilizing an extraction agent; and detecting the filtered extract liquor by adopting gas chromatography-tandem mass spectrum (GC-MS / MS), and simultaneously detecting the contents of 22 polycyclic aromatic hydrocarbon matters, including indene, naphthalene, 1-methylnaphthalene, 2-methylnaphthalene, acenaphthylene, acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene, benzo [a] anthracene, chrysene, benzo [b] fluoranthene, benzo [k] fluoranthene, benzo [j] fluoranthene, benzo [e] pyrene, benzo [a] pyrene, perylene, indene [1,2,3-cd] perylene, dibenzo [a, h] anthracene, benzo [g, h, i] pyrene, and the like, in cigarette main stream smoke. The method fills the blank of the prior art, has the characteristics of simple, convenient and quick sample pretreatment, high detection accuracy and repeatability and large analysis test flux and is fit for quick analysis of mass samples.
Owner:YUNNAN TOBACCO QUALITY SUPERVISION MONITORING STATION

Resist composition and patterning process

An additive polymer comprising recurring units derived from a fluorosulfonamide-substituted styrene and recurring units derived from a stilbene, styrylnaphthalene, dinaphthylethylene, acenaphthylene, indene, benzofuran, or benzothiophene derivative is added to a polymer capable of increasing alkali solubility under the action of acid to formulate a resist composition. The resist composition can minimize outgassing from a resist film during the EUV lithography and form a resist film having a hydrophilic surface sufficient to prevent formation of blob defects on the film after development.
Owner:SHIN ETSU CHEM IND CO LTD

Device and method for extracting acenaphthene and acenaphthylene in LCO bicyclic aromatic hydrocarbon

ActiveCN109438164AEffective purityEffective yieldDistillation purification/separationHydrocarbonsAcenaphthyleneSolvent
The invention discloses a device and method for extracting acenaphthene and acenaphthylene in LCO bicyclic aromatic hydrocarbon. The device comprises an extraction rectifying tower, a regeneration tower, a crystallizing device, a washer and a sidestream rectifying tower. The method comprises the following steps: during preparation, firstly, adding a mixed liquid containing acenaphthene and acenaphthylene and an extractant from a raw material feed inlet and an extractant feed inlet of the extraction rectifying tower for extraction and rectification; feeding a fraction containing the extractantand dimethylnaphthalene into the regeneration tower for regeneration; recycling the regenerated extractant fraction to the extraction rectifying tower; feeding the fraction containing acenaphthene andacenaphthylene at the bottom of the extraction rectifying tower into the crystallizing device; adding a crystallizing solution for crystallization at the same time; feeding the obtained coarse acenaphthene into the washer; washing the coarse acenaphthene to obtain crystal acenaphthene; feeding the crystallizing mother liquor and washing agent mother liquor into the sidestream rectifying tower tobe rectified to obtain an acenaphthylene fraction; and recycling the crystallizing solvent to the crystallizing device and the washer. According to the device, the purity and the yield of acenaphtheneseparately reach 99.57% and 80.60% and the purity and the yield of acenaphthylene separately reach 98.53% and 77.59%.
Owner:NANJING NORMAL UNIVERSITY

Oxidation removing method for polycyclic aromatic hydrocarbon in soil through Fenton reagent bag

The invention discloses a method for oxidizing and removing polycyclic aromatic hydrocarbons in soil by using a Fenton reagent bag, and belongs to the technical field of soil restoration. The method is to mix the air-dried soil to be tested with distilled water to make mud, add acid reagents to the mud to adjust the pH value of the mud to 3-5 to obtain acid mud, add Fenton reagent packs to the acid mud and stir evenly to obtain Slurry reaction liquid, then the mud reaction liquid is left to react, and the polycyclic aromatic hydrocarbons in the soil can be removed after the reaction; wherein the Fenton reagent package is made of FeSO 4 、H 2 o 2 and K 2 C 2 o 4 composition. This method can effectively remove naphthalene, acenaphthene, acenaphthylene, anthracene, fluorene and phenanthrene in soil, and the treatment time is shortened and the removal rate is improved compared with the traditional Fenton reagent.
Owner:NANJING AGRICULTURAL UNIVERSITY

Resist composition and patterning process

A polymer capable of increasing alkali solubility under the action of acid, as a base resin is blended with a copolymer comprising recurring units derived from acenaphthylene, indene, benzofuran or benzothiophene and fluorine-containing recurring units, as a polymeric additive to formulate a resist composition. The photoresist film formed using the resist composition is effective for minimizing outgassing therefrom during the EUV lithography. The resist film has a hydrophilic surface and is effective for suppressing formation of blob defects after development.
Owner:SHIN ETSU CHEM IND CO LTD

Production of polycyclic aromatic acetyl compounds

This invention provides a method for producing a polycyclic aromatic vinyl compound which is hardly obtained by a usual method for separation / purification. This method for obtaining the high purity polycyclic aromatic vinyl compound comprises adding an adding agent such as a halogen, a hydrogen halide or water, to the vinyl group of the polycyclic aromatic vinyl compound such as divinylnaphthalene, divinylbiphenyl, acenaphthylene, to form a corresponding polycyclic aromatic vinyl compound derivative, purifying the polycyclic aromatic vinyl compound derivative by a recrystallization, an adsorption or an adduct separation and then releasing the adding agent added to the polycyclic aromatic vinyl compound.
Owner:NIPPON STEEL CHEMICAL CO LTD

Near-infrared absorptive layer-forming composition and multilayer film

A near-infrared absorptive layer is formed from a composition comprising (A) an acenaphthylene polymer, (B) a near-infrared absorbing dye, and (C) a solvent. When a multilayer film comprising the near-infrared absorptive layer and a photoresist layer is used in optical lithography, the detection accuracy of optical auto-focusing is improved, allowing the optical lithography to produce a definite projection image with an improved contrast and succeeding in forming a better photoresist pattern.
Owner:IBM CORP +1

Moderate halophilic aromatic pollutant degrading bacteria and application thereof

The invention discloses moderately halophilic bacteria capable of efficiently degrading multiple polycyclic aromatic hydrocarbons and application thereof, wherein the moderately halophilic bacteria are enriched and screened from polycyclic aromatic hydrocarbon contaminated saline alkali soil in Shengli Oil Field, are identified and named as Martelella sp.AD-3(CCTCC M2011218). The bacteria can efficiently degrade multiple pollutants such as biphenyl, acenaphthylene, acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene and benzo[a]anthracene, and chrysene under the condition that the salinity is 0.5-15% and the pH value is 6-10. In 36h, degradation rate for fluorene with concentration of 100mg / L can reach 100%. The optimal degradation conditions of AD-3 bacteria are that pH is 9.0,salinity is 15g / kg, moisture content is 25%, and temperature 30 DEG C. Under the optimal conditions, AD-3 bacteria have an obvious removal effect for acenaphthylene, biphenyl, fluorene, phenanthreneand anthracene, and the removal rate for acenaphthylene and biphenyl can reach 100%.
Owner:EAST CHINA UNIV OF SCI & TECH

2-nitro-benzoyl-imino-acenaphthylene derivative compound and use thereof

The invention relates to a dinitrobenzene formacyl imdo group acenaphthene derivatization compound that has the structure of general expression (I). And R1 represents hydrogen, C1-C3 is alkyl, R2 is alkylidene group, alkenyl, and R3 expresses one-hydrogen or two-hydrogen. After taking acylation reaction of arene, alpha-H replacing reaction of ketone, and reduction amination of ketone carbonyl, and acylation reaction of amine acyl halide, the product would be gained. The invention also relates to the single antipode of the compound, including chiral reagent or chiral additive. It could be used as chiral reagent in film method and chiral stationary phase or chiral mobile phase.
Owner:SICHUAN UNIV

Method for preparing high efficiency concrete water reducing agent by using industrial acenaphthylene

This invention discloses a method for preparing high efficiency water-reducing agent for concrete by utilizing the industrial acenaphthene as raw material. The raw material is subjected by the following steps: sulfonating reaction, hydrolyzation, condensation reaction, neutralization reaction to obtain this inventive product. This invention has advantages of: the water reducing rate being up to 20-25%, high antiflex strength and high compression strength, the pure sludge fluidity being up to 230-250mm, the production cost of this product being lower than those of poly-carboxylic acid series water-reducing agent or fatty compounds water-reducing agent greatly.
Owner:HANGZHOU HUAGUAN BUILDING MATERIAL

Complex microbial agent capable of efficiently degrading polycyclic aromatic hydrocarbons and application of complex microbial agent

The invention provides a complex microbial agent capable of efficiently degrading polycyclic aromatic hydrocarbons. The active ingredients include Mycobacterium sp. having a collection number of CGMCCNo. 6531, Acinetobacter sp. having a collection number of CGMCC No. 6532, and Microbacterium sp. having a collection number of CGMCC No. 6530. The complex microbial agent can take the polycyclic aromatic hydrocarbons, such as fluorine, naphthalene, anthracene, acenaphthene, acenaphthylene, dibenzothiophen, carbazole, chrysene, phenanthrene, pyrene, fluoranthene, benzofluoranthrene, benzanthraceneor benzopyrene as the unique carbon source. The complex microbial agent disclosed by the invention is capable of obviously improving the degradation effect of single colony on organic contaminated soil, the fermentation time of three strains is short, the effect is obvious, and the cost is low. Therefore, the complex microbial agent has strong application prospects and popularization value on polycyclic aromatic hydrocarbon heavy contaminated soil and water.
Owner:北京市科学技术研究院资源环境研究所

Acenaphthylene derivative

The invention relates to an acenaphthylene derivative of which structure is shown in formula I. The acenaphthylene derivative designed in the invention has the unique structure that the color of the derivative can be red, yellow or blue by regulating the bridging position of the thiophene of the acenaphthylene derivative under the irradiation of lights of different wavelengths. The acenaphthylene derivative of the invention can applied in the fields of building decoration, special protection, full color display, multi-dimensional information storage and readout and the like. In the formula I, R1, R2 and R3 are respectively one of hydrogen, alkyl group, aryl group, halogen, hydroxyl group, aldehyde group, carboxyl group, sulfonic group, -COOMe and -SO3Me(Me is metal); n is an integer between one to three and m is an integer between one to three.
Owner:丹玥光学(上海)有限公司
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