導(dǎo)電聚丙烯纖維的制備與性能研究.pdf

1、Y866354分類號(hào)：蘭Q蘭絲：登窯級(jí)：——單位代碼：lQ翌塾學(xué)號(hào)；03302：10108天津工業(yè)大學(xué)學(xué)位論文導(dǎo)電聚丙烯纖維的制備與性能研究(申請(qǐng)碩士學(xué)位)專業(yè)研究方向研究生指導(dǎo)教師撾抖堂鱉弛邊篚紅維工蓬壟程蝗閭夔援天津工業(yè)大學(xué)材料化工學(xué)院二零零五年十二月摘要AbstraetConductivepolypropylenemasterbatcheswereobtainedbyusingtwin—screwertrudermixedwi廿1

2、lowmolecularwaxasdispersantandalittleantioxidantandnano—sizedSn02asconductiveparticlestreatedbytitanatecouplingagentAnewkindofconductivepolypropylenefiberwasobtainedbymeltspinningtechnicandfibersweretreatedbyelongationan

3、dheatingThroughsomeexperimentsinmathematicsmethod，theeffectsofpowdersurfacemodificationwereanalysizedbythemethodofsedimentationvolumeVariousfactorstllatinfluencedtheresultsofpowdersurfacemodificationwereanalysizedTheresu

4、ltsindicatedthattheamountofcouplingagentwasthemosttouchingThemethodofultrasonicdispersionwasbetterthroughthecontrastandanalysisoftwokindsofsurfacemodificationmethods。111eresearchesshowedthattheuseofcouplingagentenhancedt

5、heconsistentancebetweentheinorganicpowdersandpolymerandthedispersionofinorganicpowdersinp01ymerTheuseofpolyethylenewaxwasbadaloneandit’susewithcouplingagentwasbetterThedispersionofdispersantwimthemolecularweightof4000was

6、goodand3wt％wasbetter2～3wt％ofcouplingagentwasbetterindrytreatmentandwecouldchoosethetemperatureof230。CintheproductionofmaterbatchesThetechnicofsecondtimeproductionofmasterbatcheswasprovedbadItwasfoundthatthecrystaltempera

7、tureofpolypropylenewasimprovedintheexistenceofnanosizedSn02andthedegreeofcrystalwasincreasedtooThemultipleanddifferentcrystalwereformedandthecrystaltypedidn’tchangebeforeandaftertheaddingofnano—sizedSn02andtheywereallsta

8、ndardⅡtypeTheresultsshowedthat20、Ⅳt％ofnano—sizedSn02wasproperinconductivefibersthevoltageresistanceofconductivefiberswere100QcmandWasfarsmallerwiththecontrastofpurepolypropylenefibers’10”QemThevoltageresistancedecreaseda

9、fterelongationandtheruptureintensityrasewiththeincreaseofelongationmultiplesMostfibers’ruptureintensityreachedaround30CN／dtexandcouldmeettheneedsintextilesTheelongationtemperaturewasgoodin110“(2Moreoverthesurfacestatusof