Process for the preparation of expandable vinyl aromatic polymers with a reduced thermal conductivity by polymerization in suspension

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United States of America Patent

PATENT NO 9115253
APP PUB NO 20120184636A1
SERIAL NO

13393843

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Abstract

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Process for the preparation of beads of expandable vinyl aromatic polymers by means of polymerization in aqueous suspension, which comprises polymerizing at least one vinyl aromatic monomer in aqueous suspension in the presence of a peroxide initiator system, active at a temperature higher than 800 C, an expanding agent, and in the presence of: —an amide having the general formula R1CONHCH2—CH2NHCOR2 (I) a flame retardant system comprising a brominated additive with a bromine content higher than 30% by weight.

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Patent Owner(s)

Patent OwnerAddress
POLIMERI EUROPA S P AITALY BRINDISI BRINDISI BRINDISI

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ghidoni, Dario Gonzaga, IT 31 136
La, Piccirella Andrea Modena, IT 2 1
Ponticiello, Antonio Mozzecane, IT 17 76
Simonelli, Alessandra Mantova, IT 6 38

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