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S. ARORA1,* , S. KUMAR1, S. DHINGRA2
The resistivity of the synthesized polyurethanes with high glass transition temperatures was measured at different feed concentrations of monomers namely, 4-[bis(2-hydroxyethyl) amino]-4'-nitroazobenzene and N-phenyldiethanolamine to establish the correlation between resistivity and monomeric units. The results suggested that resistivity increases with the increase in feed concentration of 4-[bis(2-hydroxyethyl) amino]-4'-nitroazobenzene. The measurements were also performed on polyurethane samples at different thickness, indicating the decrease of resistivity with film thickness. The effect of temperature on resistivity has also been observed below their glass transition temperature, determined by differential scanning calorimetery.
Polyurethane, Thin films, Resistivity.
S. ARORA, S. KUMAR, S. DHINGRA, Electrical characteristics of thermally stable polyurethanes with high glass transition temperatures, Optoelectronics and Advanced Materials - Rapid Communications, 1, 2, February 2007, pp.70-72 (2007).
Submitted at: Jan. 10, 2007
Accepted at: Jan. 15, 2007
Optoelectronics and Advanced Materials - Rapid Communications
(2024): Impact Factor = 0.4 - Journal Citation Reports (Clarivate Analytics, 2025)
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