Multilayered Core–Shell Structure in an Impact Polypropylene Copolymer Investigated by Atomic Force Microscopy–Infrared

N Zhang, R Li, Y Lin, Z Su - ACS Applied Polymer Materials, 2024 - ACS Publications
The balanced mechanical properties of impact polypropylene copolymer (IPC) are largely
attributed to the core–shell structure of its dispersed rubber particles, yet experimental …

Diffusion controlled stereoregular polymerization in granule reactors-Reaction kinetic of Pr/Bt sequence polymerization with TiCl4/MgCl2 Ziegler-Natta catalyst

M Han, Y Zhao, S Luo, X Fan, A He - Molecular Catalysis, 2023 - Elsevier
Diffusion controlled stereoregular polymerization was studied to understand the relations
between fragmentation and growing of catalyst granules and its catalytic features for olefin …

Ethylene–Propylene Segmented Copolymer as an in Situ Compatibilizer for Impact Polypropylene Copolymer: An Assessment of Rheology and Morphology

Z Tian, LF Feng, ZQ Fan, GH Hu - Industrial & Engineering …, 2014 - ACS Publications
This work aims to probe the roles of ethylene–propylene segmented copolymer (EPS) in
impact polypropylene copolymers (IPCs) by rheological and morphological investigations. A …

A new approach to increase toughness of synthesized PP/EPR in-reactor blends by introducing a copolymerization step under low ethylene concentration

L Moballegh, S Hakim, J Morshedian… - Journal of Polymer …, 2015 - Springer
Complex microstructure of the polypropylene/poly (ethylene-co-propylene) in-reactor blends
has been the subject of many studies. In this work simple two-step polymerization procedure …

Synthesis of Polypropylene/Poly(ethylene-co-propylene) In-Reactor Alloys by Periodic Switching Polymerization ProcessEffects of Gas Phase Polymerization Time …

R Mehtarani, Z Fu, Z Fan, S Tu… - Industrial & Engineering …, 2013 - ACS Publications
A series of polypropylene/poly (ethylene-co-propylene) in-reactor alloys was prepared by a
periodic switching polymerization process (PSPP) in which the monomer feed was …

Synthesis of Polypropylene/poly(ethylene-co-propylene) In-Reactor Alloys by Periodic Switching Polymerization Process: Dynamic Change of Gas-Phase Monomer …

R Mehtarani, ZS Fu, ST Tu, ZQ Fan… - Industrial & …, 2013 - ACS Publications
Using a MgCl2-supported Ziegler–Natta catalyst, a series of polypropylene/poly (ethylene-
co-propylene)(PP/EPR) in-reactor alloys with high EPR content (> 20 wt%) were prepared …

Rheology of polypropylene/poly (ethylene-co-propylene) in-reactor alloy

H Bagheri, M Nekoomanesh, S Hakim, Y Jahani… - Polymer Science Series …, 2016 - Springer
The interfacial adhesion and molecular structure of an in-reactor polypropylene/ethylene
propylene rubber alloy were studied with respect to the rheological behavior and final …