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Eutectic Mixture of Two Bismaleimides: Thermal and Electrical Properties

Fulga Tanasa

Institute of Macromolecular Chemistry "Petru Poni", Aleea Grigore Ghica Voda 41 A, 6600 Iasi, Romania

4,4'-Bismaleimidodiphenylmethane and 2,4-bismaleimidotoluene were mixed in solution in different molar ratios. Differential scanning calorimetry of the resulting mixtures, as well as of the initial monomers, was performed. The eutectic melting temperatures showed a very interesting behavior, being much lower than the lowest melting point of those two monomers initially considered. In addition, the decrease of the temperature of crosslinking onset became maximal for these mixtures at the eutectic point.

Key Words: Bismaleimides • eutectic mixture • properties

High Performance Polymers, Vol. 15, No. 2, 157-165 (2003)
DOI: 10.1177/0954008303015002001


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