Dimensionally-stable propylene polymer foam with improved...

Details Dimensionally-stable propylene polymer foam with improved... Dimensionally-stable propylene polymer foam with improved...

C - Chemistry, Metallurgy

08

K

C08K 13/02 (2006.01) C08J 9/00 (2006.01) C08K 3/04 (2006.01) C08K 5/00 (2006.01) C08K 5/02 (2006.01) C08K 5/03 (2006.01)

Patent

CA 2477884

A propylene polymer foam that contains both a bromine compound, especially an aromatic bromine compound, as a flame retardant additive and an infrared radiation blocking or attenuation compound such as carbon black or graphite and has enhanced resistance to thermal degradation over time due to incorporation of certain stabilizing additives in addition to phenolic-based antioxidants. The foam has utility in thermal insulation applications.

L'invention concerne une mousse de polymère de propylène contenant à la fois un composé bromine, en particulier un composé de bromine aromatique, en tant qu'additif ignifugeant et un composé de blocage ou d'atténuation de rayonnement infrarouge, notamment du noir de carbone ou du graphite, et présentant une résistance accrue aux dégradations thermiques dues au vieillissement, grâce l'incorporation de certains additifs stabilisateurs, en plus d'antioxydants à base phénolique. Cette mousse est utilisée dans des applications d'isolation thermique.

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