Study on liquid oxygen compatibility of poly(phthalazinone ether) resins and their composites
Source abstract
Abstract
Abstract Nine poly(phthalazinone ether ketone) resins were designed and synthesized using three bisphenol and four halogenated monomers. Poly(phthalazinone bisphenol ether ketone) (PPBEK) and poly(phthalazinone ether sulfone ketone) (PPBESK) demonstrated liquid oxygen compatibility (LOC), with PPBEK maintaining its LOC even after 20 days of immersion in liquid oxygen. The liquid oxygen compatibility mechanism of the polymers in the presence of force‐thermal‐chemical multi‐energy fields was analyzed using techniques such as thermal analysis‐infrared‐gas chromatography (TGA‐IR‐GC), thermogravimetric analysis (TGA), and x‐ray photoelectron spectroscopy (XPS). Carbon fiber (CF) reinforced composites were fabricated using PPBEK and PPBESK as matrices, with CF‐PPBEK composites successfully achieving LOC. The microcracking resistance and mechanical properties of the composites were investigated in liquid oxygen at 90 K. The interaction mechanism between the composites and liquid oxygen was elucidated, providing theoretical guidance and an experimental foundation for the application of resin matrix composites in liquid oxygen storage tanks. Highlights Poly(phthalazinone ether) resins were meticulously designed and synthesized. ·PPBEK and PPBESK exhibited excellent liquid oxygen compatibility. Composites exhibited excellent liquid oxygen compatibility. Composites exhibited excellent low‐temperature performance and heat resistance.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Synthesis and properties of polymers · Epoxy Resin Curing Processes · Polymer Nanocomposites and Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
State Key Laboratory of Fine Chemicals Frontier Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology Dalian People's Republic of China
Technology Innovation Center of High‐Performance Resin Materials Dalian Liaoning Province People's Republic of China
School of Materials Science and Engineering Dalian University of Technology Dalian People's Republic of China
School of Materials Science and Engineering Beijing University of Technology Beijing People's Republic of China
Funding
National Natural Science Foundation of China · Fundamental Research Funds for the Central Universities
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