Abstract
A novel low-dielectric-loss thermosetting material was developed by blending poly(2-allyl-6-methylphenol-co-2,6-dimethylphenol) (Allyl-PPE) with 1,2-bis(vinylphenyl)ethane (BVPE). BVPE could be used effectively as a crosslinking agent for Allyl-PPE, decreasing the cured temperature to 250 °C or lower. The cured products exhibited better thermal and thermomechanical properties than those of non-functionalized-PPE/BVPE blends because of the homogeneity of the cured products. The phases-separated morphologies with small domain sizes less than 10 nm could be observed by employing energy-filtering transmission electron microscopy. The effect of the composition of the blends on the dielectric constant and the dielectric loss were also evaluated.
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Nunoshige, J., Akahoshi, H., Liao, Y. et al. Mechanical and Dielectric Properties of a New Polymer Blend Composed of 1,2-Bis(vinylphenyl)ethane and Thermosetting Poly(phenylene ether) Copolymer Obtained from 2,6-Dimethylphenol and 2-Allyl-6-methylphenol. Polym J 39, 828–833 (2007). https://doi.org/10.1295/polymj.PJ2006280
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DOI: https://doi.org/10.1295/polymj.PJ2006280