Poly(phthalaldehyde) (PPA) is a thermoplastic polymer known for its unique properties, such as high rigidity, thermal stability, and good chemical resistance. It is derived from phthalaldehyde, a compound that can polymerize to form this high-performance material. PPA has been studied for various applications, including in the production of engineering plastics and coatings, as well as composite materials. Its advantages include a high glass transition temperature and the ability to maintain mechanical strength at elevated temperatures.
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