C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 8/50 (2006.01) C08F 4/04 (2006.01) C08F 10/06 (2006.01) C08K 5/23 (2006.01) C08L 23/10 (2006.01)
Patent
CA 2602544
The invention relates to a process and compositions suitable for reducing by heat the molecular weight of polypropylene, propylene copolymers or polypropylene blends. Azo compounds bearing different substituents are added to the polymers.
La présente invention concerne un procédé et des préparations adaptées à la réduction thermique de la masse molaire du polypropylène, des copolymères de propylène ou des formules basées sur le polypropylène. Des composés azo portant divers substituants sont ajoutés aux polymères.
Nicolas Ronan
Pfaendner Rudolf
Roth Michael
Wilen Carl-Eric Magnus
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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