Sorption Studies of Propylene in Polypropylene Polymerized with Novel Ziegler‐Natta‐Catalysts in Liquid and Gas Phase | Zendy

Patzlaff M. | Zendy; Wittebrock A. | Zendy; Reichert K.H. | Zendy

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Sorption Studies of Propylene in Polypropylene Polymerized with Novel Ziegler‐Natta‐Catalysts in Liquid and Gas Phase

Author(s) -

Patzlaff M.,

Wittebrock A.,

Reichert K.H.

Publication year - 2006

Publication title -

macromolecular symposia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.257

H-Index - 76

eISSN - 1521-3900

pISSN - 1022-1360

DOI - 10.1002/masy.200690061

Subject(s) - polypropylene , sorption , polymer , materials science , natta , catalysis , polymerization , ziegler–natta catalyst , chemical engineering , polymer chemistry , particle (ecology) , phase (matter) , diffusion , particle size , composite material , chemistry , adsorption , organic chemistry , thermodynamics , oceanography , physics , engineering , geology

Polypropylene was produced in gas phase and liquid phase using different supported Ziegler‐Natta‐catalysts. Sorption behaviour of propylene in polymer particles was studied gravimetrically. The analyzed polymer fractions have average diameters between 250 and 875 µm. Generally it was found that the effective diffusion coefficient is increasing with increasing size of polymer particles. With electron microscopy a change of polymer particle morphology with particle size and type of catalysts was observed.

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