Polysulfone foam with high expansion ratio prepared by supercritical carbon dioxide assisted molding foaming method.

RSC Adv · 2018 · PMC9077336 · PMID 35541205

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an increasing trendno p-value reported

With the increase of temperature from 170 °C to 200 °C, the average cell size and expansion ratio showed an increasing trend after the first increase, while the cell density decreased slowly.

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