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1)  cellular polypropylene
聚丙烯孔洞膜
1.
In this work, influence of the formation of macroscopic dipoles with space charges enclosed in a void (electric domain) and their polarization enhancement on the charging current characteristic and the conductivity of cellular polypropylene (PP) film were studied by the corona charging with a grid in combination with the reverse-polarity corona charging compensation method.
利用栅控恒压电晕充电组合反极性电晕补偿充电法,研究了孔洞(单元电畴)内分布的空间电荷型宏观电偶极子的形成,及其增长对聚丙烯孔洞膜电极化期间的电流特性及电导率的影响。
2)  cellular PP film
孔洞聚丙烯膜
3)  polypropylene microporous membrane separator
聚丙烯微孔薄膜
4)  microporous polypropylene membrane
聚丙烯微孔膜
1.
Surface engineering of microporous polypropylene membranes;
聚丙烯微孔膜的表面工程
2.
A novel polypropylene based interpenetrating polymer networks(IPN) was prepared via insitu copolymerization of mixed monomers within the pores of a microporous polypropylene membrane.
通过用聚丙烯微孔膜含浸混合单体然后原位共聚合的方法成功地制得了新型聚丙烯基互穿聚合物网络复合膜。
3.
Microporous polypropylene membrane has many desirable properties including high void volumes, well-controlled porosity, chemical intertness and low cost.
聚丙烯微孔膜具有价格低廉、化学和热稳定性好、机械强度高、无毒、孔隙率容易控制等优点。
5)  Porous Polypropylene Membrane
聚丙烯多孔膜
6)  ferroelectret polypropylene
聚丙烯孔洞铁电驻极体
补充资料:聚丙烯腈超滤膜
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性质:  由聚丙烯腈所制备的有筛分功能的膜。聚丙烯腈含有极性很强的氰基,高分子链间作用力强,柔韧性小,链的对称性差,处于无定形态,所以用纤维级分子量纺制的中空纤维超滤膜,机械强度很低,应用分子量约400 000的聚丙烯腈纺制,并通过热拉伸增强机械强度。聚丙烯腈中空纤维超滤膜,膜孔径能达到0.01μm,相当于病毒大小,膜表面不易污染,能用空气进行反冲。聚丙烯腈能溶于N,N-二甲基乙酰胺等极性溶剂中,纺制中空纤维超滤膜,膜能耐烃、酮、酯、醇等,化学稳定性好,能耐辐射和细菌等侵蚀,但轻微憎水,耐磨性和耐疲劳性差。

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