edtodiffere
thardelasticbehaviora
dthosewithbettercrystallizatio
propertiescorrespo
di
gcastfilmshadbetterhardelasticbehaviorAddi
gLDPEtoHDPEresi
thecrystalorie
tatio
ofcastfilmswasimprovedwhilethecrystalli
itya
dlamellaethick
essdecreasedThisreducedthehardelasticpropertiesofcastfilmsbuttheirmecha
icalpropertiese
ha
cedAddi
gLLDPEtoHDPEresi
althoughthecrystalorie
tatio
a
dcrystalli
ityofcastfilmsdecreasedthehardelasticpropertiesoffilmswerestillu
cha
geda
dtheirmecha
icalpropertieswe
tupBya
eali
gcrystalorie
tatio
a
dcrystalli
ityi
castfilmswasi
creasedsothatfilmsbya
eali
ghadamoreperfecthardelasticstructureThete
silestre
gthalo
gtheMDmodulusofelasticityyieldstressa
delasticrecoveryhadbee
improvedduetotheperfectio
ofhardelasticstructurebutthedataofelo
gatio
atbreakte
dedtogodow
Keywords：Polyethyle
ecastfilms；Hardelastic；Chai
structure；Crystallizatio
behavior
II
f目
录
摘要IAbstractII1前言111锂离子电池隔膜的基本性能和微孔结构112聚烯烃微孔膜的制备工艺213单向拉伸工艺制备聚烯烃微孔膜的研究进展214聚烯烃薄膜的硬弹性315论文的研究内容和意义32实验部分521主要原料522主要仪器523实验方法5231流延基膜的制备6232基膜的热处理6233流延基膜的表征r