Study of the characterization and curing
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Vernon M. Russell; Jack L. Koenig; Hong Yee Low; H. 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 340 KB
๐ 2 views
Benzoxazines derived from bisphenol-A, formaldehyde, and primary amines were characterized using 13 C solid-state NMR spectroscopy. The two 1,3benzoxazines studied in this work are 2,2ะ-(3-methyl-4-dihydro-1,3,2-benzoxazine)propane, (B-m) and 2,2ะ-(3-phenyl-4-dihydro-1,3,2-benzoxazine)propane (B-a).