Direct Synthesis of High Melt-Strength Polypropylene Using the 4th Generation Heterogeneous Ziegler-Natta Catalyst and Commercial Production Process

Tsutomu Uzawa,Keisuke Goto,Toshiya Uozumi,Toshihiko Sugano,Wei Zhu,T.C. (Mike) Chung

Direct Synthesis of High Melt-Strength Polypropylene Using the 4th Generation Heterogeneous Ziegler-Natta Catalyst and Commercial Production Process

2020

Tsutomu Uzawa
Keisuke Goto
Toshiya Uozumi
Toshihiko Sugano
Wei Zhu
T.C. (Mike) Chung

The most of commercial isotactic polypropylene (PP) polymers exhibit low melt strength due to lack of a long-chain-branched (LCB) structure, which significantly limits PP processing operations. The...

Keywords:

Ziegler–Natta catalyst
Scheduling (production processes)
Materials science
Chemical engineering
Polypropylene
Polymer
Tacticity
fourth generation

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