Abstract
Aromatic heterocyclic polymers and polysiloxanes exhibit excellent thermal, mechanical, and insulating properties, having both wide and good potential use as multipurpose structural and functional materials in aerospace, electronic, manufacturing, and chemical industries. This paper briefly reviews our research work on several important aromatic heterocyclic polymers: polyphenylquinoxalines (PPQs), polytriazines (PPTs), polypyrrolones (PYs), polyimides (PIs), polyamide-imides (PAIs), polybenzimidazoles (PBIs); and polysiloxane. Either all or some of them can meet the needs in the above-mentioned high-technology areas. It is believed that the research work and applications of these polymers will be continually developed in the future. We focused our attention on (1) the syntheses of new monomers and polymers; (2) development of new synthetic routes; (3) discovery of new properties of polymers; (4) modification of monomer casting nylon (MC nylon, polycaprolactam) by these polymers and even heterocyclic compounds; (5) study of the mechanism of thermal degradation, pyrolysis, and hydrolysis at high temperature; (6) applications; and (7) conclusions.
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