Insight of polypropylene synthesis with high performance multidentate internal donor catalyst system

Parthiv M. Trivedi; Chandra Prakash Gocher; Vijai Balachandran; Virendra Kumar Gupta

doi:10.1002/app.53609

journal article Jan 17, 2023

Insight of polypropylene synthesis with high performance multidentate internal donor catalyst system

Parthiv M. Trivedi

Chandra Prakash Gocher

Vijai Balachandran

Virendra Kumar Gupta

Journal of Applied Polymer Science Vol. 140 No. 11 · Wiley

View at Publisher Save 10.1002/app.53609

Abstract

AbstractPropylene polymerization using magnesium dichloride (MgCl2) supported Ziegler–Natta (Z–N) system is a robust and preferred catalytic process for producing polypropylene (PP) grades. Herein, synthesis of polypropylene products is reported using MgCl2supported multidentate (3,3,3′,3′‐tetramethyl‐2,2′,3,3′‐tetrahydro‐1,1′‐spirobiindane‐5,5′,6,6′‐tetracarbonate) Z–N pre‐catalyst. The catalyst performance evaluation over propylene polymerization found that multidentate Z–N pre‐catalyst has better hydrogen response with controlled isotacticity of PP products as compared to conventional bidentate Z–N pre‐catalysts. Melt rheology analysis showed higher loss modulus and storage modulus for ultra‐high molecular weight isotactic polypropylene (UHMWiPP) as compared to PP resins with medium molecular weight. Further, GPC analysis reveal medium to broad unimodal molecular weight distribution (MWD) of PP products produced with multidentate Z–N pre‐catalyst system.

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References

Details

Published: Jan 17, 2023
Vol/Issue: 140(11)
License: View

Authors

P

Parthiv M. Trivedi

Polymer Synthesis and Catalysis R&D Reliance Research and Development Centre, Reliance Industries Limited Navi Mumbai India

C

Chandra Prakash Gocher

Advanced Analytical Division Reliance Industries Limited Navi Mumbai India

V

Vijai Balachandran

Advanced Analytical Division Reliance Industries Limited Navi Mumbai India

V

Virendra Kumar Gupta

Polymer Synthesis and Catalysis R&D Reliance Research and Development Centre, Reliance Industries Limited Navi Mumbai India

Cite This Article

Parthiv M. Trivedi, Chandra Prakash Gocher, Vijai Balachandran, et al. (2023). Insight of polypropylene synthesis with high performance multidentate internal donor catalyst system. Journal of Applied Polymer Science, 140(11). https://doi.org/10.1002/app.53609

Insight of polypropylene synthesis with high performance multidentate internal donor catalyst system

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