Low‐viscosity and soluble phthalonitrile resin with improved thermostability for organic wave‐transparent composites
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DOI: 10.1002/app.45976
Abstract: High processing viscosity and poor solubility limit the application of heterocyclic polymers for fabricating organic wave-transparent composites for aerospace applications. In this paper, a novel resin, poly(phthalazinone ether bisphenol fluorene) encapped with phthalonitrile (PPEBF-Ph), was… read more here.
Keywords: resin; viscosity; phthalonitrile resin; organic wave ... See more keywords
Wave‐Transparent Composites Based on Phthalonitrile‐Cyanate Ester Blends With Optimized Crosslinking Network Through a Feasible Chemical Design
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DOI: 10.1002/pc.70393
Abstract: Aircraft wave‐transparent radome composites require high‐temperature resistance to ensure structural integrity and wave‐transparent performance at high flight speeds. Herein, aminophthalonitrile (4‐APN) was innovatively integrated into the bismaleimide (BMI)‐cyanate ester (CE) system, and a nitrogen‐rich crosslinking… read more here.
Keywords: cyanate ester; transparent; crosslinking network; transparent composites ... See more keywords
Mechanical properties and interfacial characteristics of 2.5D SiNOf/BN wave-transparent composites
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DOI: 10.1016/j.jeurceramsoc.2019.03.055
Abstract: Abstract 2.5D SiNOf/BN wave-transparent composites were fabricated by borazine infiltration and pyrolysis route at 800 °C˜1400 °C. The fracture behavior of the composites was investigated on the basis of the retained fiber strength, in-situ fiber and matrix… read more here.
Keywords: mechanical properties; transparent composites; fiber matrix; sinof wave ... See more keywords