Propylene Polymerization with Titanium-Based Ziegler-Natta Catalysts: Effects of Temperature and Modifiers on Molecular Weight, Molecular Weight Distribution and Stereospecificity

• Published in: Macromolecular chemistry and physics Vol. 205; no. 3; pp. 284 - 301
• Main Authors: Kissin, Yury V., Ohnishi, Rikuo, Konakazawa, Takehito
• Format: Journal Article
• Language: English
• Published: Weinheim WILEY-VCH Verlag 01.02.2004; WILEY‐VCH Verlag; Wiley
• Subjects: Applied sciences; Exact sciences and technology; molecular weight distribution/molar mass distribution; Organic polymers; Physicochemistry of polymers; poly(propylene) (PP); Polymerization; Preparation, kinetics, thermodynamics, mechanism and catalysts; stereospecific polymers; Ziegler-Natta polymerization; Ziegler Natta catalyst; Molecular weight distribution; Propylene polymer; Temperature effect; Magnesium chloride; Organic silane; Complex catalyst polymerization; Experimental study; Supported catalyst; Titanium IV Chlorides; Isotactic polymer; Diester; Olefin polymer; Stereospecificity; Aluminium Organic compounds; Stereospecific polymerization; Catalyst activity

The article discusses two subjects: (a) temperature effects on the molecular weight, molecular weight distribution and stereoregularity of crystalline fractions of propylene polymers prepared with a supported TiCl4/dibutyl phthalate/MgCl2 – Al(i‐Bu)3 catalyst system, and (b) effects of different mod...