利用低溫等離子體技術(shù)改善聚丙烯纖維吸濕性能的研究.pdf

1、東華大學(xué)碩士學(xué)位論文利用低溫等離子體技術(shù)改善聚丙烯纖維吸濕性能的研究姓名：劉松濤申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：紡織工程指導(dǎo)教師：晏雄20041216STUDYONTHEPROPERTYOFMOISTUREABsORPTIONFORPOLYPROPYLENEFl腿RsMODIFIEDBYLOW—TEMPERATUREPLASMAAbstractPolypropylenefiberisawearable，chemical—resistant，mi

2、ldew—proofandgoodcreaserecoveryfiberComparedwithotherfabric，PPfabrichasalotofbegerpropertiesAsaresult，PPfabrichasbeenusedinmanyfields，suchasdecorationindustryandgarmentsHoweverPPfiber’smoistureabsorbencyisbadduetoitsclos

3、emoleculestructureInordertosolvethisproblem，thispaplerstudiedtheapplicationofplasmatreatmenttoimprovePPfiber’smoistureabsorbencyDuringthelastdecades，lowtemperatureplasmascienceandtechnologyhasdevelopedveryrapidly，andital

4、sohasbeenputinanimportantplaceinmanycountriesDuetoitshighefficiencyinuseofmaterialandenergyproductionofnopoisonoussubstanceandreactionabilitywhichmightnotberealizeditisusedinmanyindustriessuchaselectficalcommunication，su

5、rfacemodification，environmentprotection，clarificationofwastewaterandgasandsoonHowever，traditionallowtemperatureplasmainducedunderlowpressuredependsonvaccumdeviceswhichlimitstheapplicationofplasmatechnologytoalargeextenti

6、nindustrialscaleDielectricbarrierdischargeiseffectiveinproducinghomogeneousplasmaGettingridofthevacuumdevicesitisespeciallysuitablefortheuseinmoderncontinuousmassiveproduction，andhencehasabroadprospectTherefore，itbecomes

7、thecentralconcernintheintriguingfieldoflowtemperatureplasmaSomedevelopedcountrieshavemadegreateffortstocarryoutresearchandstudyonapplicationofdielectricbarrierdischargeifltheprocessofmassivemanufacture。inwhichthestudymus

8、tbedeepenedandbroadened，andtheSalTleresearchmustalsobeenforeedinChinaThispaperstudiedtheapplicationofconfinuoustreatmentofpolypropylenefiberbymeansofdielectricbarrierdischargewiththeaccumulationofpreviousresearchachievem

9、entsin也elaboratorynlefavorableconditionsofinducinghomogenousglowdischargewasstudied，theeffectoftreatmentonthemoistureabsorbencyofpolypropylenefiberwasanalyzedanddiscussed，theresultofthetreatmentwasverysatisfactoryThepoly

10、propylenefiberwastreatedinplasmaofArandairintheexperimentThemoistureabsorbencywasimprovedgreatlyandwhat’smore，themoistureabsorbencywaspermanentThetestingresultsindicatedthatbymeansofdielectricbarrierdischarge，thereweretw

11、omainfactorsinthesurfacemodificationofpolypropylenefibernamelyetchandchemicalreactionEnlargingthematerial’ssurfaceandincreasingthenumberofmicro—cavitieswi兒changethesurfacepropertiesBesidesthetreatmentofplasmacanbringalit

12、tleofoxygenonto也ematerialsurfacewhichmainbondstateisC=0Insummary，bymeansofdielectricbarrierdischarge，polypropylenefiberiscontinuouslytreatedandthemoistureabsorbencyofthetreatedpolypropylenefiberisdramaticallyimprovedKeyw