简介：Thestrategyofsequentiallyspin-coatingaperovskitefilmfromtheperovskiteprecursorandanelectrontransportinglayerof[6,6]-phenyl-C71-butyricacidmethylester(PC71BM)isdevelopedtosimplifythefabricationprocedureofperovskitesolarcells.X-raydiffractionandscanningelectronmicroscopyindicatethatPC71BMfilmonperovskitelayercanretardtheevaporationofdimethylsulfoxide（DMSO）efficiently,thusprolongingthetransformationofintermediatephasetoperovskitecrystals,leadingtoahighqualityperovskitethinfilm.Thesolarcellswiththestructureofindiumtinoxides（ITO）/poly（3,4-ethylenedioxythiophene）:poly（styrenesulfonate）（PEDOT:PSS）/CH3NH3PbI3/PC71BM/bathocuproine（BCP）/Agmadefromthissimplifiedmethodexhibitahigherefficiency（12.68%）thanthosefromtheconventionalone-stepmethod（9.49%）.

简介：Theglassytransitionofthepolyethyleneterephthalate(PET)sampleswhichhavebeensubjectedtosolventinducedcrystallization(SINC)wasinvestigatedbymodulateddifferentialscanningcalorimetry(MDSC)anddensitymeasurement.Thedif-ferentialofheatcapacitysignal,dC_p/dTfromMDSC,wasusedtomonitortheSINCprocess.ItrevealsthattheT_gtemperatureshiftstohighervaluewiththeadvancementofSINC.Whenthetoluene-immersingtimewaslonger(168h),thedetectionofT_gbecomemoredifficult,becausesomesmallerpeaksemergedatthelowertemperaturesandtheseareexplainedasthemovementofsmallsegmentsintheamorphousregion.TheseobservedresultsareduetothemorphologyandstructureintroducedbytheSINCprocess.

简介：Theefficiencyofthepoly（3-hexylthiophene）（P3HT）and[6,6]-phenylC61-butyricacidmethylester(PC61BM)basedorganicsolarcellswasenhancedbyusing1,2,4-trichlorobenzene（TCB）asaprocessingadditivetocontroltheblendmorphology.TheadditionofTCBimprovedthearrangementofP3HTwhichresultedingoodphaseseparatedblendfilms.Correspondingly,theoptimizedsolarcellsshowedapowerconversionefficiency（PCE）of4.17%withafillfactor（FF）of0.69,whichwerehigherthanthoseofcommonthermalannealingdevices（PCE3.84%,FF0.67）.Theefficiencywasfurtherimprovedto4.74%bythermalannealingat150°Cfor10minwithahigherFFof0.74.

简介：Theeffectsofinterfacialmodifieronthemechanicalpropertiesofkaolin-filledpolyamide6(PA6)havebeenstudied.Theinterracialinteractionbetweenpolyamide6andkaolinhasbeencharacterizedbymeansofinfraredspectroscopy(IR)andscanningelectronmicroscopy(SEM).TheresultsshowthattheroleoftheinterracialmodifierliesinforminganelasticinterlayerwithgoodadhesionbetweenkaolinandPA6.Acompositewithhighimpactstrength,hightensilestrengthandhighelasticmoduluscanbeobtainedbyinsertingtheelasticinterfacialmodifierintotherigid-particle-filledpolymersystem.

简介：Immobilizedtriazinedyeaffinitychromatographyhasbeenwidelyusedforproteinpurification.Inthispaper,CibacronBlueF3G-4wasimmobilized,throughaspacerarm,ontoarigidhydroplhilicporouspolymerbyreactinganepoxy-group-containingpoly(vinylalcohol)with6-aminohexyl-N'-CibacronBlueF3G-A,whichwasobtainedbyreactingCibacronBlueF3G-4withexcessof1,6-diaminohexane,inapH8.6buffer,Theepoxy-group-containingpoly(vinylalcohol)waspreparedbytreatingmacroporouspoly(vinylalcohol)withexcessepichlorohydrininthepresenceofNaOHindimethylsulfoxide.Themacroporouspoly(vinylalcohol)waspreparedbyhydrolysisofmacroporouscrosslinkedpoly(vinylacetate),whichwassynthesizedbysuspensioncopolymerizationofvinylacetateandtriallylisocyanurateinthepresenceofbutylacetateandn-heptaneasdiluents.TheCibacronBlueF3G-A-immobilizedpoly(vinylalcohol)waspackedinastainlesssteelcolumn(250×5mmI.D.)andthechromatographicbehaviorsofseveralproteins(cytochromec,lysozyme,bovineserumalbumin,insulin,andlactatedehydrogenase)weredetermined.

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简介：Segmentedblockcopolymerbasedonnylon6(N6)andpolyethyleneoxide(PEO)withstochiometricratiowassynthesizedviaatwo-stepprocess.ThefirststeprepresentsendcappingofN6inthepresenceofadipicacidleadingtocarboxyterminatedN6,andthesecondoneispolycondensationofthelatterproductwithPEOinthepresenceofcatalystandthermostabilizertoformahighmolecularweightmulti-blockcopolymer.SeveralmethodswereappliedtocharacterizethesynthesizedcopolymersuchasFouriertransforminfraredspectroscopy,protonnuclearmagneticresonancespectroscopy,differentialthermalanalysis,differentialscanningcalorimetry,X-raydiffractionandatomicforcemicroscopy.Theobtainedresultsconfirmedthemulti-blockstructureforcopolymerwithaveryhighdegreeofmicro-phaseseparation.Atomicforcemicroscopymicrographsindicatedthatthemorphologywasthedispersionofhighstiffnessnanostructuredpolyamide(PA)domainsintheamorphousregionofPEOmatrix,whichcanbeveryimportantintheirperformanceformembraneprocesses.

简介：包含磷氮(MSMM-Al-P)的新奇包含的火焰retardant被与聚酰胺66包含准备(PA66-MSMM-Al-P)为聚酰胺6的火焰延迟(PA6)。结构和PA66-MSMM-Al-P的热性质被Fourier变换红外线的光谱学，X光检查光电子光谱学和thermogravimetric分析描绘。包含火焰retardants(MSMMAl-P和PA66-MSMM-Al-P)的PA6易燃被限制的氧索引测试，垂直燃烧测试和锥热量计调查。火焰retardancy和锥calorimetric分析在flame-retardantPA6建议了在PA66和MSMM-Al-P之间的synergistic效果。flame-retardantPA6的热稳定性也被调查。

简介：基于的二naphthalimide的技术性质分散尼龙6上的染料和聚酯纤维面对脲被调查。基于的二naphthalimide驱散染料被综合。染料被净化然后充分描绘了使用1H-NMR，FTIR和融化的点分析。染料的分散在水里被准备并且在尼龙6上适用并且宠物纤维。染料在底层上提供了好逐渐增加性质。为了增加，染底层的吸附，脲被增加进dyebath。由增加脲，聚酯的染料吸附显著地被增加，当尼龙6的增加是不显著的时。染料在底层上显示出好迅速性质。

简介：PolysaccharidecoatedPLAnanoparticlesbearingaldehydegroupswerepreparedbydialysisofDMSOsolutionofcholesterolhydrophobic-modifieddextranpolyaldehydeandPLAagainstwater.Theaveragediameterofthenanoparticleswasabout160nm,andthesizedistributionwasnearlyhomogenous.ThenanoparticleswerefunctionalizedsimultaneouslywithCD71andEGFRantibodythroughtheSchiff'sbasereaction,andthenradiolabeledwith~(99m)Tc.Afterperfusedtheradiolabelednanoparticlesintotumor-bearing...

简介：Insitucompatibilizationoflowdensitypolyehylene(LDPE)(30%)andnylon-6(70%)blendsthroughone-stepreactiveextrusionusingt-BuOOHasaninitiatorandlowmolec-ularweightinterfacialagentsascompatibilizerswasstudied.Thecompatibilizercontainedalongchainbydrocarbon,doublebondandtwopolarfunctionalgroupswhichwascapableofreactingwithbothLDPEandnylon-6inthepresenceofinitiatortoformacopolymerattheinterfaceofthetwopolymerphases.Theextrudedblendsexhibitedsignificanten-hancementintheircompatibilitybasedonmorphological,thermalanalysisandmechanicalstudies.Theeffectofthehydrocarbonchainlengthandstructureofthefunctionalgroupofthecompatibilizerwasalsoexamined.Itwasfoundthatblendspreparedbyusingthecompatibilizercontaininglongerhydrocarbonchainandamidegrouphadbettermechanicalproperties.

简介：LigandeffectofthecatalyticsystemWCl6-Et2AlClforringopeningmetathesispolymerization(ROMP)ofdicyclopentadiene(DCPD)wasinvestigated.Theexperimentalresultsshowthataddingstericallyhinderedphenol-2.6-di-tert-butylcresylol(DTBC)inthecatalyticsystemnotonlycanobviouslyincreasethemonomerconversionofpolymerizationbutalsoimprovethemechanicalproperties,suchasnotchedimpactstrength(NIS),tensilestrength(TS)ect.,ofthesynthesizedpolydicyclopentadiene(PDCPD),Asimilareffectcanbeobservedbyusingastericallyhinderdpolymericphenol-linearphenolformaldehyderesin(LPF)asaligand.

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