Abstract
A novel gold carbene complex, bis(1,3-di-p-dimethylaminobenzylimidazolidinylidene) gold(I), was synthesized and polymerized to polyimides in a one-step method with various aromatic dianhyrides. The gold-coordinated polyimides are characterized by IR and NMR (1H, 13C) spectroscopy. The materials have inherent viscosities that range from 1.88 to 2.39 dl/g and show excellent solubility in N-methylpyrrolidone and N,N-dimethylacetamide. The glass transition temperatures of the coordinated polyimides range from 203–265°C and a 5% weight loss in air is observed from 535–578°C. The polymers form dark yellow, tough films that are transparent above 365 nm. The effect of different flexible units on the properties of the polyimides is discussed.
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Seckin, T., Koytepe, S., Ozdemir, I. et al. Syntheses and Properties of Metal Containing Polyimides Based on the Gold Carbene Complex. Journal of Inorganic and Organometallic Polymers 13, 9–20 (2003). https://doi.org/10.1023/A:1022905015133
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DOI: https://doi.org/10.1023/A:1022905015133