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(a) Reversible reaction of benzoxazines and thiols [278,281]. (b) Time dependence of conversion of pC-a in its thermally induced polymerization in the presence of thiophenol (A), p-nitrothiophenol (B) and p-cresol (C) at 140 °C [278]. Copyright 2014. Reproduced with permission from Wiley Periodicals, Inc.
