Process for extraction and recovery of blowing agents from polym

Liquid purification or separation – Processes – Chromatography

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55 16, 55 37, 210804, B01D 5304

Patent

active

049768620

ABSTRACT:
A process for removing blowing agent from polymeric foam. The process comprises breaking up the foam in a liquid medium to obtain a solid phase of polymeric fragments and a liquid phase of blowing agent and liquid medium. The polymeric particles are then separated from said liquid phase.

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