Isotacticity difference of a series of elastic film resins(S801and F401)was studied via xylene soluble content(XS),differential scanning calorimetry(DSC)and successive self-nucleation and annealing(SSA)thermal fractionation.FT-IR,elastic recovery(ER)and uniaxial tensile test were applied to analysis the deformation mechanism of hard elastic films which were annealed at different temperature(105℃,130℃,140℃and 150 ℃).The results were discussed from isotactcity and crystallization.It is found that as the annea...
【基金】
国家自然科学基金资助项目(NSFC 51503134,51421061)
【更新日期】
2017-07-12
【分类号】
TQ325.14
【正文快照】
聚丙烯微孔膜的制备方法归结起来主要有2种:干法,也称熔融拉伸法(Melt-spinning and stretching,MSS)和湿法,也称热致相分离法(Thermally induced phase separation,TIPS)[1]。干法单拉因工艺简单、环境友好,无溶剂污染而得到广泛应用[2]。在干法制备过程中,获得高回弹率的硬弹
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