Ionic diffusion in iPP: DC electrical conductivity

被引：1

作者：

Skipina, B. ^{[1
]}

Petronijevic, I. M. ^{[2
]}

Luyt, A. S. ^{[3
]}

Dojcinovic, B. P. ^{[4
]}

Duvenhage, M. M. ^{[5
]}

Swart, H. C. ^{[5
]}

Suljovrujic, E. ^{[6
]}

Dudic, D. ^{[6
]}

机构：

[1] Univ Banja Luka, Fac Technol, Vojvode Stepe Stepanovica 73, Banja Luka 78000, Bosnia & Herceg

[2] Univ Belgrade, Fac Phys, Studentski Trg 12-16, Belgrade 11001, Serbia

[3] Qatar Univ, Ctr Adv Mat, POB 2713, Doha, Qatar

[4] Univ Belgrade, Inst Chem Technol & Met, Njegoseva 12, Belgrade 11000, Serbia

[5] Univ Free State, Dept Phys, POB 339, ZA-9300 Bloemfontein, South Africa

[6] Univ Belgrade, Natl Inst th Republ Serbia, VINCA Inst Nucl Sci, Dept Radiat Chem & Phys, POB 522, Belgrade 11001, Serbia

来源：

SURFACES AND INTERFACES | 2020年 / 21卷

基金：

新加坡国家研究基金会;

关键词：

iPP; diffusion; electrical conductivity; ions; aging; ISOTACTIC POLYPROPYLENE; SORPTION; METAL; BEHAVIOR;

D O I：

10.1016/j.surfin.2020.100772

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

This study provides a new insight into the relationships between absorption and adsorption processes that occur during the treatment of iPP in aqueous solutions of metal-chloride salts, as well as the impact of these processes on the electrical conductivity of this nonpolar polymer. The polypropylene films (0.5 mm) were exposed to three-day treatments in aqueous solutions of chlorine salts of some alkali and transition metals at temperatures of 22 degrees C and 80 degrees C. The treatments induced an increase in the electrical conductivity of iPP, up to 800%. DC conductivity is not directly proportional to the concentrations of metals in the treated films due to the complex relationships between diffusion and adsorption processes. The experiment was set up to simulate the real-world conditions and the study provides practical knowledge on the stability of the electrical conductivity of iPP under exposure to aqueous solutions. The influence of electric aging on the electrical conductivity of the treated films was also examined.

引用

页数：6

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