高分子材料老化机理初探

,(33,030006):,:;;:37116:A:1009-5624(2004)04-0057-04TheAgeingofPolymerMaterialsRENSheng2ping,ZHANGLi(CETCNo.33ResearchInstitute,Taiyuan030006,China)Abstract:Theeffectofenvironmentfactorsontheageingofpolymermaterials,thewaysofartificialagingtestandthewaysofprotectionagainstageingareintroduced.Keywords:polymermaterials;artificialaging;mechanism:2004-05-17:(1965-),,,,Email:[e-mail]1,(PET)(PC)(PMMA),,,,,,,,(),(),,1.1,,;4:(1)20045457©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(2);(3):(4)1.2,:(1),(2),,,,,,(3),(4),,,,,:1.3[1],,,,,,:RRO2R+O2RO2RO2+RHROOH+R2RR-RRO2+RROOR2RO2R22.1,,,,,,,,3:(1);(2),;(3)2.2,,,,,,,,2.3,,,,,,,TECHNICALKONWLEDGEInformationRecordingMaterials2004Vol.5No.458©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(4060),(90%RH),,,,,100%RH,100%RH,,,2.4,,,()();(),;,,,[2]:(1),,,;(2),;(3),,:,282.5:,,,,35,pH615712,90%RH2.6,,,,,,,,3[1],,,,,,,,,,,,,:Arrhenius()Eyring,(),()(1,2)20045459©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,,:,,,,(),,,,,,[1]..,1999.[2]MIT-T-152B..20043,,TECHNICALKONWLEDGEInformationRecordingMaterials2004Vol.5No.460©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.