Abstract
The relationship between ionomer structure and surface resistivity (ρs) was studied for Na, K, Cs, Mg, and Zn ionomers prepared from poly(ethylene-co-methacrylic acid) (EMAA) and poly(ethylene-co-acrylic acid) (EAA). The study revealed that only ionomers highly neutralized with alkali metal cations exhibit anti-electrostaticity and the origin of ionic conduction was assumed to result from the transfer of water-coordinated metal cations. The method of mixing high- and low-acid ionomers was found to be effective in reducing the magnitude of moisture absorption while maintaining the anti-electrostaticity. Blends of a potassium ionomer with a wide variety of thermoplastics were also prepared to evaluate the possibility of using ethylene ionomers as anti-electrostatic additives. Interestingly, the effect of the potassium ionomer upon ρs of the blends differed by the type of the thermoplastics, suggesting that how the ionomer phase distributes over the blends may be influenced by local interactions between ionomer and polymer matrix phases.
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Tachino, H., Hara, H., Hirasawa, E. et al. Anti Electrostatic Properties of Various Types of Ethylene Ionomers. Polym J 26, 1170–1178 (1994). https://doi.org/10.1295/polymj.26.1170
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DOI: https://doi.org/10.1295/polymj.26.1170
