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Polyimide-Based PolyHIPEs Prepared via Pickering High Internal Phase Emulsions

Polyimide-Based PolyHIPEs Prepared via Pickering High Internal Phase Emulsions

In-Ho Song, Dong-Min Kim, Ju-Young Choi, Seung-Won Jin, Kyeong-Nam Nam, Hyeong-Joo Park, Chan-Moon Chung

Polymers (Basel). 2019 Sep 13;11(9):1499.

PMID: 31540300

Abstract:

Pyromellitic dianhydride (PMDA) and 4,4'-oxydianiline (ODA) oligoimide particles and PMDA-ODA poly(amic acid) salt (PAAS) were synthesized and used as stabilizers to prepare oil-in-water Pickering high internal phase emulsions (HIPEs). The stability of the Pickering HIPEs was investigated by dispersion stability analysis. Polyimide-based polyHIPEs could be prepared through freeze-drying and subsequent thermal imidization of the Pickering HIPEs. The characteristics of the polyHIPEs, including their morphology, porosity, thermal decomposition temperature, and compression modulus, were investigated. The thermal decomposition temperature (T10) of the polyHIPEs was very high (>530 °C), and their porosity was as high as 92%. The polyimide-based polyHIPEs have the potential to be used in high-temperature environments.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
LS775168	Poly(pyromellitic dianhydride-co-thionin)			Price

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