A Hydrocarbon Soluble, Molecular and “Complete” Al-Cocatalyst for High Temperature Olefin Polymerization

Author:

Urciuoli Gaia123ORCID,Zaccaria Francesco13ORCID,Zuccaccia Cristiano23,Cipullo Roberta13ORCID,Budzelaar Peter H. M.13ORCID,Vittoria Antonio13ORCID,Ehm Christian13ORCID,Macchioni Alceo23ORCID,Busico Vincenzo13

Affiliation:

1. Department of Chemical Sciences, Federico II University of Naples, 80126 Napoli, Italy

2. Department of Chemistry, Biology and Biotechnology and CIRCC, University of Perugia, 06123 Perugia, Italy

3. Dutch Polymer Institute (DPI), P.O. Box 902, 5600 AX Eindhoven, The Netherlands

Abstract

The dinuclear aluminum salt {[iBu2(DMA)Al]2(μ-H)}+[B(C6F5)4]− (AlHAl; DMA = N,N-dimethylaniline) is the prototype of a new class of molecular cocatalysts for catalytic olefin polymerization, its modular nature offering easy avenues for tailoring the activator to specific needs. We report here, as proof of concept, a first variant (s-AlHAl) bearing p-hexadecyl-N,N-dimethylaniline (DMAC16) units, which enhances solubility in aliphatic hydrocarbons. The novel s-AlHAl was used successfully as an activator/scavenger in ethylene/1-hexene copolymerization in a high-temperature solution process.

Publisher

MDPI AG

Subject

Polymers and Plastics,General Chemistry

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