Process for the preparation of expandable beads

C - Chemistry – Metallurgy – 08 – J

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C08J 9/16 (2006.01) C08J 9/20 (2006.01)

Patent

CA 2018821

Expandable beads of blends of poly(phenylen- ether) and a vinyl aromatic polymer are prepared by carrying out the polymerization of the vinyl aromatic monomer in presence of the poly(phenylen-ether) and of an expanding agent.

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