Journal
RUSSIAN CHEMICAL BULLETIN
Volume 65, Issue 1, Pages 287-290Publisher
SPRINGER
DOI: 10.1007/s11172-016-1299-x
Keywords
phthalonitriles; high-temperature matrices; polymer composite materials; mechanical properties; processing
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Funding
- Ministry of Education and Science (Federal Target Program Research and Development in Priority Development Trends of Scientific and Technological Complex of Russia) [14.576.21.0039, RFMEF157614X039]
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The mechanical properties of cured phthalonitrile matrices for fiber reinforced plastics (FRP) based on low-melting phenylmethylsilanediyl-bis[oxymethylene(1,4-phenylene-4'-oxyphthalodinitrile)] (1) or its mixture with 1,3-phenylene-bis(oxy-4-phthalodinitrile) (2, comonomer) were studied. The flexural strength, Young's modulus, fracture toughness, and some other characteristics of the cured resins based on monomer 1 (PN-1) and the mixture of monomers 1 and 2 (PN-1m) were determined. It is noted that the PN-1 resin can be processed by vacuum infusion and the PN-1m resin can be processed by compression injection molding. The developed resins are promising as materials for high-tech aerospace applications.
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