Abstract

Abstract A number of polymeric azomethines were synthesized to determine the influence on char yields by the deliberate introduction of cross links in their structures. The linear reference polymer, was synthesized from H2NC6H4COCH3 and was considered as having a cross-link density,p, of zero. Two series were prepared with p values between zero and 1, using an equimolar mixture of 1,3,5-C6H3(COCH3)3 and 1,3, 5-C6H3(NH2)3, or their respective Schiff bases, as the cross-linking agents.

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