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A new room-temperature liquid, high-performance tricyanate ester


  • This article is a U.S. Government work, and as such, is in the public domain in the United States of America.


A new tricyanate ester monomer of a tris(4-hydroxyphenyl)benzene derivative was synthesized in 6-steps with a 63% overall yield. The geminal substitution of phenyl rings on ethane, in addition to the creation of a racemic/diastereomeric mixture, resulted in a liquid monomer whereas compounds with similar structure and symmetry have melting points typically over 100 °C. Key properties of the polycyanurate, such as the glass transition temperature and moisture resistance, were positively influenced by the higher crosslink density provided by the monomer. © 2010 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2010