C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/4228, 400/54
C08K 3/22 (2006.01) C08J 9/00 (2006.01) C08L 25/04 (2006.01)
Patent
CA 1145087
Abstract of the disclosure: The flameproof styrene polymer foam in accordance with this invention is obtained by melting a granular mixture of styrene polymer and aluminum hydroxide having grain size of 20-100 µm and a specific surface of below 1 m2/g in an extruder, incorporating a physical expanding agent, and homogenizing and extruding the mixture.
323674
Albert Walter
Mylich Wolfgang
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hoechst Aktiengesellschaft
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