利用低溫等離子體技術改善聚丙烯纖維吸濕性能的研究.pdf

1、東華大學碩士學位論文利用低溫等離子體技術改善聚丙烯纖維吸濕性能的研究姓名：劉松濤申請學位級別：碩士專業(yè)：紡織工程指導教師：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