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- Title
Template‐free anion‐controlled synthesis of Pd (II) nano‐aggregates for the antifouling polymerization of CO and ethylene.
- Authors
Lim, Yu Na; Chae, Soo Kyung; Yim, Woongbin; Park, Ji‐Yong; Yoon, Woojin; Yun, Hoseop; Kim, Eunha; Son, Seung Uk; Jang, Hye‐Young
- Abstract
The reaction of [(domppp) Pd (OAc)2] [domppp = 1,3‐bis (di‐o‐methoxyphenylphosphino)propane] and imidazolium‐functionalized carboxylic acids containing various anions (Br−, PF6−, SbF6− and BF4−) resulted in the formation of nano‐sized Pd (II) aggregates under template‐free conditions. The rate of formation of aggregates can be modulated by changing the anion, affecting the rate of polymerization of CO and olefins without fouling. Herein, we describe the analysis of Pd (II) catalysts by dynamic light scattering, atomic force microscopy, X‐ray photoelectron spectroscopy and X‐ray crystallography, and co‐ and terpolymerization results including the catalytic activity, and bulk density and molecular weight of polymers. Various nano‐sized Pd (II) aggregates were synthesized from the Pd (II) complex and imidazolium‐functionalized carboxylic acids. The nano‐aggregates formation rate was controlled by anions of imidazolium‐functionalized carboxylic acid, and the rate and catalytic activity of Pd (II) catalysts for the polymerization of CO and ethylene were also affected by the anion in the catalytic system.
- Subjects
PALLADIUM; CHEMICAL templates; BIOCIDES; POLYMERIZATION; CARBON monoxide; ETHYLENE
- Publication
Applied Organometallic Chemistry, 2019, Vol 33, Issue 3, pN.PAG
- ISSN
0268-2605
- Publication type
Article
- DOI
10.1002/aoc.4761