Effect of structure on properties of aro
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I. K. Varma; Ramakant Kumar; A. B. Bhattacharyya
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Article
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1990
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John Wiley and Sons
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English
โ 442 KB
๐ 2 views
Polyamides were prepared by reacting 3,5-diamino benzoic acid (DAB) and/or 1,3-bis( 3-amino benzamido) benzene ( ABB ) with terephthaloyl chloride in N,N-dimethylacetamide. Five polymer samples having different contents of pendant carboxyl groups were prepared by changing the molar ratios of DAB : A