高粘度尼龍6制備高性能纖維及納米多孔纖維研究.pdf

1、北京服裝學(xué)院碩士學(xué)位論文高粘度尼龍6制備高性能纖維及納米多孔纖維研究姓名：史超明申請學(xué)位級別：碩士專業(yè)：材料學(xué)指導(dǎo)教師：趙國樑；賈清秀201112ABSTRACTSTUDYONPI通PAIUNGTHEHIGHPERFORN【ANCEFIBERANDNONAPOROUSFIBERBYHIGHVISCOSITYNYLON6ABSTRACTPreparationforhigllmodePA6fiberthispaperchoosesanion

2、icpolymerizationbysedimentationpulpgetrelativelyviscosityT1(r)of185—315ofthenylon6(PA6)powdertoformicacidassolvent，calciumchlorideforcomplexingagentintolocaleomplexationPA6solutionwithselfmadefrozengluespinningdevice，thr

3、oughthedryspraywetspinningdraft—solutionhotfinalizethedesignofcomplexprocess，frozenglue，glueoffrozenspinningspinningmechanismandprocessconditionsonfurtherresearchThecomplexthantheO15，levelintherangeof16％～20％ofnylon6compl

4、exationfluidgetspinningresearchConcreteexplorationoffrozengluespinningprocessPA6fiberstructureandpropertieschange，differentthan，frozengluecomplexationspinningtemperature，pressure，coagulationbathtemperatureandairsectionan

5、dcoagulationbathratioofdistanceontheconditionsoftheinfluenceoftheperformanceofthefibers，andwiththeSEM，TEM，POM，EDS，F(xiàn)TIR，WXRD，DSCandTGweresingle，powerfulinstrument，suchasmeansofINSTRONtestPA6fibersamplescharacterizationThe

6、resultsshowthatPA6／CaCl2／formicacidsolutionaftersilksprayholeandcoagulationbath，theoriginalsilkaftercomplexationTgrelativetopurePA6rise6070℃，Tmdisappear，crystallinityislow，fiberinteriorwithmicroholeexist；Fiberaftercomple

7、xationremoveCaCl2solution，aftertheoriginalsilkandfinishedproductsolutionscomplexationTgofsilkandreturnedtotheinitialvalue，Tmerystallinityincreased，fiberemptygraduallydisappearwithin；Thesolutionofthemechanicalpropertiesof

8、silk(higherthantheoriginalsilk，andfinishedproductcomplexationlargestsilk10times，thehi91lesttensilemodulus3233GPastrengthO53GPaPreparationforthenanoporousPA6fiberwithgoodperformance，atfirst，westudiedtheeffectofdifferentso