Abstract
A novel aluminum nitride precursor, poly(allyl iminoalane-co-ethyl iminoalane) was prepared by a reaction between lithium aluminum hydride, allylamine hydrochloride and ethylamine hydrochloride, and was characterized by infrared (IR), nuclear magnetic resonance (NMR) and thermogravimetric (TG) analyses. The IR and 27Al NMR spectra of the precursor indicated that the precursor contained four-coordinated HAlN3 environments, suggesting the presence of cage-type structures as main components. TG analysis shows that a ceramic yield of the precursor up to 1000 degree under Ar atmosphere was about 72 mass%, which exceeded the ceramic yield of poly(ethyliminoalane), about 61 mass%. The high yield could be ascribed to the presence of the carbon-carbon double bonds in the precursor.
