Radical polymerisation, polyelectrolytes

de I. Capek, J. Hernandes-Barajas, D. Hunkeler, J. L. Reddinger

PEO Unsaturated Macromonomers ................... 21 PEO Saturated Macromonomers ..................... 24 PEO Block and Graft Copolymers .................... 25 Dispersion Polymerization of PEO Macromonomers ......... 27 Copolymerization of PEO Macromonomers with Styrene ...... 27 Copolymerization of PEO Macromonomers with Alkyl Acrylates and Methacrylates .................... 33 Emulsion Polymerization of PEO Macromonomers ......... 34 Homopolymerization of PEO Macromonomers ............ 34 Copolymerization of PEO Macromonomers with Styrene ...... 39 Copolymerization of PEO Macromonomers with Other Comonomers ............................ 45 Polymerization of PEO Macromonomers in Other Disperse Systems .......................... 48 Conclusion ................................. 50 References .................................^ 52 List of Abbreviations and Symbols A acrylic group second virial coefficient A2 AA acrylic acid AVA 4,4'-azobis(4-cyanovaleric acide) AIBN 2,2'-azobiisobutyronitrile B A butyl acrylate BzMA benzyl methacrylate BMA butyl methacrylate CAC critical association concentration concentration of monomer in water cw concentration of polymer micelle concentration CMC critical CFC critical flocculation concentration CFT critical flocculation temperature chain length (CL) Radical Polymerization of Polyoxyethylene Macromonomers in Disperse Systems 3 methyl Cl t-butyl tC4 chain transfer constant to stabilizer cs chain transfer to solvent css chain transfer constant for transfer to polymeric stabilizer CSP D particle diameter DLS dynamic light scattering volume median diameter D50 final particle diameter " f DBP dibenzoyl peroxide number average degree of polymerization DPn diffusion coefficient of the radical in water " w overall activation energy EO activation energy for propagation E~^ activation energy for termination E t activation energy for decomposition of initiator Ed EO ethylene oxide unit f initiator efficiency monomer feed composition fw graft available G a graft required G r HLB hydrofile-lipophile balance