Process for controlled degradation of propylene polymers

Details Process for controlled degradation of propylene polymers Process for controlled degradation of propylene polymers

C - Chemistry, Metallurgy

08

F

402/599

C08F 8/06 (2006.01) C08F 8/50 (2006.01) C08F 10/02 (2006.01)

Patent

CA 1043946

IMPROVED PROCESS FOR CONTROLLED DEGRADATION OF PROPYLENE POLYMERS ABSTRACT OF THE DISCLOSURE A process is provided for the degradation of propylene polymers comprising contacting a propylene polymer exhibiting a first melt flow rate with oxygen or an oxygen-containing gas and an organic or inorganic peroxide; melting and working and resulting mixture in a high shear zone thereby degrading said propylene polymer; and recovering an essentially odor free propylene polymer exhibiting a second melt flow rate higher than said first melt flow rate. - 1 -

200229

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