简介：TolueneDiisocyanate(TDI),theimportantindustrialmanufacturematerial,iswidelyusedintheproductionofpolyurethane,paints,insulationmaterialandelectroniccomponents.Inrecentyears,withthedeveoplementofTDIappliationfields,thequestioncausedbyTDIhasalsoarised.Summarizestherearchoftoxicologyoftoluenediisocyanateindomesticandabord.

简介：在由为准许丙烯腈技术到Belarus的SINOPEC上海石油化学的研究院(SPRI)的成功的出价以后，另一条好新闻也被传给SPRI。根据SPRI开发的技术生产的甲苯disproportionation催化剂成功地在2007年9月14日在BelorussianNaftan公司在第一次尝试被放在溪流上。

简介：Investigationoftheadsorptioncharacteristicsoftolueneontwohypercrosslinkedresins.Thestaticandthekineticadsorptionwerestudied.Theequilibriumadsorptiondatewasfittedtofreundlichadsorptionisothermmodelstoevaluatethemodelparameters.Theenthalpy,freeenergy,entropyareindicativeofanexothermic,aspontaneousanddisorterdecreasingprocess.ExperimentalresultsshowthatthetwoadsorbentsarebetterthantheAmberliteXAD-4forremovingthetolueneinaqueoussolutions.

简介：“开发”和为甲苯disproportionation和transalkylation的包装技术的商业申请联合由SINOPEC上海PetrochemicalResearch研究所并且Zhenhai精制承担，化学同伴最近传递了SINOPEC科技开发分割组织的技术估价。

简介：TheinfluencesofboththevolumeofPS/toluenesolutionintheUbbelohdeviscometerandtheprecisionofthetimemeasuringontheviscositybehaviorindiluteandextremelydiluteconcentrationregionareinvestigatedItwasfoundthattheinfluenceoftheformercanneglect,butthatofthelatterissoprominentthatthedatafluctuatebitterlyandlinearityofthecurveofthereducedviscosityvs.Concentration(ηsp/c～c)becomestoobadtoobeytheHugginsequationdowntotheextremelydiluteregion,despitetheerroroftheflowtimes△t≤0.2s,whichispermittedbytheconventionalmethodofviscositymeasurement.Throughstrictmathematicalanalyses,itwasfoundthatthcerror(E)ofthereducedviscosityisinproportionandinverseproportionto△tandconcentrationc,respectively.Sothelesstheconcentration,themoretheerroris.Consequently,alowestconcentrationlimitcLcorrespondingtogivenexperimentalerrormayexistanditwillbemeaninglessforfurtheroperationbelowcLbecauseofthegreatfluctuationofthedata.Therefore,itneedstoseriouslyreconsidertheapplicationoftheconventionalmethodofUbbelohdeviscositymeasurementintheextremelydilutepolymersolutionundertraditionalconditionsbecauseofthegreatinfluenceoftheexperimentalerror.

简介：Theexperimentwascarriedoutinacylindricaldielectricbarrierdischarge(DBD)reactorassistedwithacatalysttodecomposetolueneunderdifferenthumidity.Inordertoexplorethesynergisticeffectonremovingtolueneinthecatalysis-DBDreactor,thispaperinvestigatedthedecompositionefficiencyandtheenergyconsumptioninthecatalysis-DBDandthenon-catalystDBDreactorsunderdifferenthumidity.Theresultsshowedthatthecatalysis-DBDreactorhadabetterperformancethanthenon-catalysisoneatthehumidityratioof0.4%,andtheremovalefficiencyoftoluenecouldreach88.6%inthecatalysis-DBDreactor,whileitwasonly59.9%inthenon-catalyticreactor.However,therewasnosignificantdifferenceintheremovalefficiencyoftoluenebetweenthetworeactorswhenthehumiditieswere1.2%and2.4%.Additionally,thedegradationproductswerealsoanalyzedinordertogainabetterunderstandingofthemechanismofdecomposingtolueneinacatalysis-DBDreactor.

简介：AseriesofZSM-5zeolites,withthemorphologiesofsphere,spherewithcubicparticlesonthesurface,andcubicparticles,weresynthesizedbyhydrothermalmethodusingn-butylamineasthetemplate,assistedbytheadditionofNaClandcrystalseed.X-raydiffraction(XRD),scanningelectronmicroscope(SEM),X-rayfluorescence(XRF)andtemperature-programmeddesorptionofammonia(NH3-TPD)wereusedtocharacterizethesesamples.Thesamplesweretestedwithtoluenemethylationreaction.Themodifiedsamplecomposedofsphericalparticleswith3μmcrystalparticlesonthesurfacehadapara-xyleneselectivityof95%andmaintained79%oftheinitialconversionafterrunningthereactionfor50h.Thismodifiedsampleshowedthebeststabilityamongthetestedthreemodifiedsamples.

简介：器官的多微孔的材料通过在pentaerythritol或pentaerythritoltetrathiol和cyclohexa-1,4-dione衍生物的不同类型之间的1,3-dioxol-forming聚合反应基于spiroketal和spirothioketal聚合物被综合。准备聚合物的结构被NMR光谱学和分子的集体大小证实。准备聚合物的氮吸附/解吸附作用等温线显示出在显示microporosity的低相对压力吸附的大量氮。这些聚合物从492在范围有BrunauerEmmitt和出纳(赌注)表面区域(m2g?1)到685(m2g?1)。准备聚合物被发现为有直到12.5的一个分离因素的甲醇甲苯混合的pervaporation分离有用，在6.7之间变化并且流动#

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简介：OnOctober15,2012theconstructionofSINOPEC’skeyscienceandtechnologyproject–a200kt/aunitformethylationoftoluenewithmethanolwascompletedandhandedovertothemanagementoftheAromaticPlantunderYanziPetrochemicalCompany(YPC).

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简介：Sixtransitionmetaloxideswereaddedinceria-modifiedtitaniausingasol-gelmethodforcatalyticoxidationoftoluene.AnMnOxbasedcatalystwasfoundtobethemostactiveone,withwhichtoluenecouldbedecomposedcompletelyat200oC.ThegreatestMn/Tiandmolarratioofthemobileoxygentothetotaloxygenconcentration,togetherwithalargesurfaceareaandalowreductionpeak-startingtemperature,wouldresultinitsbestactivityintolueneoxidation.

简介：Recentlythepilotmoving-bedunitformanufacturingaromaticsfrommethanolandtoluenewithco-productionoflow-carbonolefinsdesignedbytheSinopecEngineeringIncorporation(SEC)hasbeenputonstreamsuccessfully.Inthecourseofcommissioning,thepilotunitransmoothly,leadingtohighconversionrateinthemoving-bedreactor,highyieldofxyleneproduct,easyliftofcatalyst,andgoodcokeburnoutresults,withallindicatorscomplyingwiththeexpectedoperatingrequirements.

简介：在hematological上调查Ipomoeacarnea花的乙醇摘录的活跃氯仿部分的目的在Wistar老鼠在甲苯改变导致diisocyanate的发炎。方法除了控制组，，所有用10%甲苯diisocyanate(TDI)的5L的intranasal申请老鼠被敏化7天。在第二促进感受性以后的一个星期，所有与5%TDI的5L老鼠被挑起导致航线超敏性。在最后挑战以后，血和bronchoalvelorlavage(BAL)液体镇定、使遭到总计，微分白细胞数。闪光层析在最活跃的氯仿部分上被执行孤立一个单个部件。有在200mg摥琠敨洠獯?汰畡楳汢?潳牵散漠?畨慭?湩敦瑣潩?的口头的剂量的ethanolic摘录和它的氯仿部分的结果处理??桴?慳敭瀠牥潩?挠獡獥漠?L牯楴湯挠畡敳?祢??畢湲瑥楩眠牥?潣普物敭?瑡琠潷搠楡祲猠敨灥映牡獭?匊湩散㈠??愠氠牡敧洠汵楴楤'諡箻H慮祲爠獥慥捲?潰瑲潦楬?慨?瑳牡整?愠浩摥愠?敧敮慲楴杮戠瑥整?湫睯敬杤?L畯?桴獩搠獩慥敳?湉?湵?????敦敶?湩猠慭汬爠浵湩湡獴欠灥?潦?業歬瀠潲畤瑣潩?敢慣敭渠瑯晩慩汢?湩琠敨丠瑥敨汲湡獤映牯映牡獭眠瑩?湡愠潢瑲潩?慲整漠?潭敲琠慨?楦敶瀠牥挠湥???桴?畡畴湭漠

简介：OnNovember29,2013theShaanxiCoalChemicalsTechnologyEngineeringCenter,Ltd.(SCCTEC),theCNOOCHuizhouRefiningandChemicalCompanyandtheSINOPECLuoyangEngineeringCompany,Ltd.signedanagreementoncooperationindevelopmentofan

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简介：Alkylationoftoluenewith2-chloro-2-methylpropane(t-Bu-Cl)tosynthesizepara-tert-butyltoluene(PTBT)wascarriedoutinthepresenceoftriethylaminehydrochloride-aluminumchlorideionicliquidsusedasthecatalyst.TheionicliquidswerepreparedwithdifferentmolarratiosofEt3NHCltoAlCl3,andtheeffectofthemolarratiobetweenAlCl3andEt3NHCl,thereactiontime,thereactiontemperature,theionicliquiddosage,aswellasthemolarratiooftoluenetochloro-2-methylpropaneonthealkylationreactionoftoluenewithchloro-2-methyl-propanewasinvestigated.ThetestresultsshowedthattheacidicionicliquidspreparedwithEt3NHClandAlCl3hadgoodactivityandselectivityforthealkylationreactionoftoluenewithalkylchloridetoproducePTBT.TheoptimalreactionconditionswerespecifiedatanAlCl3toEt3NHClratioof1.6,areactiontemperatureof20℃,amassfractionoftoluenetoionicliquidof10%,andachloro-2-methylpropanetotoluenemolarratioof0.5.Underthesuitablereactionconditions,a98%conversionofchloro-2-methylpropaneandan82.5%selectivityofPTBTwereobtained.Ionicliquidscouldbereused5timeswithitscatalyticactivityunchanged,andtheregeneratedionicliquidscanberecycled.

简介：Poly4-vinylphenol(P4VP)/multi-wallcarbonnanotubes(MWNTs)multi-layersensitivefilmsweredepositedoninterdigitatedelectrodesbyairbrushtechnologytodetecttoluenevaporatroomtemperature.Thesurfaceandsectionmorphologiesofthemulti-layerfilmswereobservedbyascanningelectronmicroscope(SEM).Itisfoundthattheresistanceofthesensorincreaseswhenitisexposedtotoluenevaporandtheresponsehasagoodlinearitywiththeconcentrationoftoluene.TheresultsshowthattheP4VP/MWNTsthree-layerfilmsensorshavebettersensingpropertiescomparedwiththetwo-layerfilmsensors.Therelatedsensingmechanismisstudiedindetail.

简介：TwonovelwashcoatsCe0.8Zr0.15La0.05OδandCe0.8Zr0.2O2waspreparedbyanimpregnationmethod,whichactedasahostfortheactivePdcomponenttopreparePd/Ce0.8Zr0.15La0.05Oδ/substrateandPd/Ce0.8Zr0.2O2/substratemonolithiccatalystsfortoluenecombustion.ThewashcoatswascharacterizedbyX-raydiffraction(XRD),Ramanspectroscopy,Brunauner-Emmett-Teller(BET),andH2-temperature-programmedreduction(H2-TPR).Theresultindicatedthatboththewashcoatshadstrongvibration-shockresistanceaccordingtoultrasonictest.DopingLa3+intoCeO2-ZrO2solidsolutioncouldgeneratemoreoxygenvacancies,andcouldinhibitthesinterofCeO2-ZrO2solidsolutionwhencalcinedathightemperatures(800,900and1000°C).ThewashcoatCe0.8Zr0.15La0.05Oδhadmuchbetterredoxproperties.ThereductivetemperatureofCe4+speciesshiftedtolowtemperatureby60°Cwhenthewashcoatscalcinedathightemperatures(800,900and1000°C).ThePd/Ce0.8Zr0.15La0.05Oδ/substratemonolithiccatalystcalcinationat500°Chadthebestcatalyticactivityandthe95%tolueneconversionatatemperatureaslowas190°C.Whencalcinedatlowtemperature(500and700°C),thecatalyticactivityhaslittleimprovement,however,whencalcinedathightemperature,thecatalyticactivityofPd/Ce0.8Zr0.15La0.05Oδ/substratemonolithiccatalystshadsignificantimprovement.Ascatalystwashcoat,theCe0.8Zr0.15La0.05OδhadbetterthermalstabilitythanthewashcoatCe0.8Zr0.2O2,thedevelopedPd/Ce0.8Zr0.15La0.05Oδ/substratemonolithiccatalystinthisworkwaspromisingforeliminatingVolatileorganiccompounds.