Polymer Supercritical CO2 Foaming under Peculiar Conditions: Laser and Ultrasound Implementation

The two-step batch foaming process of solid-state assisted by supercritical CO2 is a versatile technique for the foaming of polymers. In this work, it was assisted by an out-of-autoclave technology: either using lasers or ultrasound (US). Laser-aided foaming was only tested in the preliminary experi...

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