C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 5/00 (2006.01) C08K 5/14 (2006.01)
Patent
CA 2310743
The invention relates to a process for enhancing the melt strength of polypropylene comprising the steps of: mixing the polypropylene with at least one peroxydicarbonate; reacting said polypropylene and peroxydicarbonate at a temperature between 150 ~C and 300 ~C, with the proviso that the peroxydicarbonate is not in the form of an aqueous dispersion.
L'invention concerne un procédé permettant d'augmenter la résistance à l'état fondu du polypropylène, comprenant les étapes suivantes: mélange du polypropylène avec au moins un peroxydicarbonate, et réaction dudit polypropylène et dudit peroxydicarbonate à une température comprise entre 150 ·C, à condition que le peroxydicarbonate ne se présente pas sous la forme d'une dispersion aqueuse.
Fischer Bart
Hogt Andreas Herman
Spijkerman Geesje Klasina
Akzo Nobel Nv
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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