Study of the characterization and curing
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Vernon M. Russell; Jack L. Koenig; Hong Yee Low; Hatsuo Ishida
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Article
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1998
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John Wiley and Sons
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English
โ 266 KB
๐ 2 views
A difunctional 1,3-benzoxazine compound, 2,2ะ-(3-phenyl-4-dihydro-1,3,2benzoxazine)propane (B-a), derived from bisphenol-A, 15 N-enriched aniline, and formaldehyde was synthesized and characterized using 15 N-NMR and 13 C-NMR spectroscopies. The observed resonances in the solid-state 15 N-and 13 C-N