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Book synopsis

Three types of palladium complexes with hydroxyalkyl, phosphonate and amine substituents attached to the phosphorus donors were employed in the emulsion copolymerization of propene/CO, butene/CO, and propene/butene/CO. Depending on the chain-length of the phosphorus attached substituents in the catalysts, four variables for the propene/CO, butene/CO, and propene/butene/CO copolymers were controlled: (i) the regioregularity; (ii) the molecular weight, and (iii) the glass transition temperature and the melting point (Tg and Tm). Stable dispersions are obtained by introduction of undecenoic acid as a third or fourth monomer into the propene/CO, butene/CO, and propene/butene/CO copolymers and no phase separation, or the formation of a coagulum within ten weeks were observed. In these latices, hydrophilic carboxylic acid moieties covalently bound to the particle surface contribute to the stabilization. Using phase-transfer agents, namely methyl-beta-cyclodextrin (W7 M 1.8) in the process of the co- and terpolymerization of hydrophobic monomers in the emulsion polymerization led to better results.

Book details

Book category Knihy po anglicky The arts Architecture

• Full title: Emulsion Copolymerization of 1-Olefins with Carbon Monoxide
• Subtitle: Using Water-Soluble Palladium(II) Complexes
• Author: Mahmoud Shaker Sunjuk
• Language: English
• Binding: Paperback
• Number of pages: 84
• EAN: 9783639305890
• ISBN: 3639305892
• ID: 06837545
• Publisher: VDM Verlag
• Weight: 136 g
• Dimensions: 229 × 152 × 5 mm
• Date of publishing: 03. November 2010

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