Zweistufiges Verfahren zur Herstellung von Polypropylenzusammensetzungen

Details

Veröffentlichungs-Nr.

EP2796472

Aktenzeichen

EP13002096

Anmeldetag

22. April 2013

Veröffentlichung

28. Juni 2017

Erteilung

28. Juni 2017

Rechtsraum

EP

IPC

C08F210/06C08L23/14

Abstract

A process for polymerizing propylene in the presence of a polymerization catalyst by copolymerizing propylene with a comonomer selected from the group of ethylene and C4-C10 alpha-olefins in two polymerization stages. The first polymerization stage is conducted in a loop reactor and the second polymerization stage in a gas phase reactor. The polymer produced in first polymerization stage has a higher melt flow rate and a lower content of comonomer units than the final polymer mixture. The process can be operated with a high throughput and catalyst productivity.

Anmelder

Firmen

Borealis AG
Abu Dhabi Polymers Company Limited (Borouge)

Land

🇦🇹 Österreich

Fachgebiete