简介：Thepresentpaperdealswiththeuseofanewpolymericflameretardantmaterial,polyphenylenesulphide(PPS)forplastics.Incorporationof15—20%PPSintonylon-6hasprovidedULV-0ratingforthesystemandthereisenhancementintensileandflexuralproperties.Theresultsobtainedonthethermal,crystallizationandflowcharacteristicsofthenylon-PPSsystemuptoaloadingof40%PPSarealsodiscussed.

简介：ThestructureofaggregationstateandisothermalcrystallizationbehaviorofNylon-1010havebeenstudiedbyWAXD,DSE,Variance-RangeFunctionanddensitymeasurement.TheresultsshowthatcrystallizationofNylon-1010hasthemostsuitableannealingtemperature,thecrystalsoftheNxlon-1010aretwo-dimensionheterogeneousnucleation.Bothlowtreatmenttemperatureandhighcrystallizationte,temperaturearedisadvantageousforNylon-1010crystalgrowth.

简介：AseriesofLa2O3/MCnylonnanocompositeswerepreparedviainsitupolymerization.Theeffectsofcontentofnano-La2O3onthemechanicalpropertiesofnanocompositeswerestudied.Dispersionofnano-La2O3inMCnylonmatrixwasobservedwithSEM.ThecrystalstructureofnanocompositeswascharacterizedbymeansofXRD.SEManalysisshowsthatLa2O3nanoparticlesareuniformlydispersedinMCnylonmatrixandlittleclusteringexistswhenthecontentofnano-La2O3islowerthan1%,however,whenthecontentofnano-La2O3ismorethan1%,itbeginstocluster.XRDanalysisindicatsthatnano-La2O3doesnotchangethecrystalstructureofMCnylon.Mechanicalpropertiestestsshowthatthetensilestrength,elongationatbreak,impactstrength,flexuralstrength,andflexuralmodulusofnanocompositesfirstincreasethendecreaseasthecontentofnano-La2O3isincreased.Whenthecontentofnano-La2O3is0.5%,thetensilestrengthandelongationatbreakofnanocompositesreachmaximum,whichare17.9%and52.1%higherrespectivelythanthoseofMCnylon.Whenthecontentofnano-La2O3is1.0%,theimpactstrength,flexuralstrengthandflexuralmodulusofnanocompositesreachmaximum,whichare36.6%,12.7%and16.3%higherrespectivelythanthoseofMCnylon.

简介：Microporouspolyamidemembrane(Nylon6,PA)wasmodifiedbyaddhydrolysisandthencoupledwithhydroxyethylcellulose(HEC)toamplifyreactivegroupsandreducenonspecificinteractionwithproteins.1,6-Diaminohexane(DAH)asspacearmandphenylalanine(Phe)asligandwereimmobilizedontonylonmembranethroughtheactivationofs-triazinetrichloride(CyCl3).Theaffinitymembraneobtainedcanbeusedtoadsorbγ-globulinspecifically.Theoptimumconditionsofpreparingaffinitymembraneandadsorbingbovineγ-globulinwerestudied.

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

简介：Agreenapproachtothesynthesisandmorphologicalcontrolofhighperformancepolyimidesandtheirnanohybridshish-kebabsinglycerolthroughreaction-inducedcrystallizationofnylon-salt-typemonomerswasreported.Crystallinepolyimidenanoplatescanbeobservedbydirectpolycondensationofpyromelliticacidwithvariouskindsofaliphaticoraromaticdiamines.Withtheexistenceofcarbonnanotubes,thepolyimidescanbesuccessfullydecoratedonthesurfaceofCNTsthroughareaction-inducedhetero-epitaxialcrystallizationprocess,andresultedinnovelpolyimide/CNTnanohybridshish-kebabs(NHSKs)structures.ThemorphologiesoftheNHSKscanbefine-tunedthroughchangingtheconcentrationofmonomersorthereactiontemperature,especiallythroughtheintroductionofdynamiciminechemistry,theformationprocessofNHSKscanbeattributedtoasoftepitaxymechanism.ThusagreenapproachforthesynthesisofhighperformancepolyimidesandtheirCNTbasednanohybridstructureswasexplored,whichshouldbeofgreatvaluefortheirapplicationsinhighperformancereinforcednanocomposites.