Star and Comb Shape Poly (Oxyethylene-g-Ethyleneimines)

  • Samuel J. Huang
  • Peter T. Trzasko
Part of the Polymer Science and Technology book series (POLS, volume 25)


The grafting of polymers has been firmly established as a means of modification of polymer properties (1–3). However, most of the grafting of polymers utilizes free radical initiated reaction of vinyl monomers which generally give difficult to separate mixtures of homopolymers with the desired graft copolymers (3). In addition, free radical initiated grafting of vinyl monomers results in graft copolymers with graft segments of various sizes and non-uniform frequency of attachment. For these reasons the study of structure-property correlation of graft copolymers is often very difficult. Recently developed grafting of vinyl monomers through ionic mechanisms has greatly improved the situation (4–8). Grafting of preformed segments of uniform sizes onto polymers through condensation mechanisms offers another route to obtain graft copolymers of reasonably well defined structures. The ability of linear (9–12) and cyclic (13,14) polyoxyethylenes to complex metal ions has been of great interest in recent years. The interaction between polyoxyethylenes with polyacids (16–18) and polyoxyethylenes with proteins also have received increasing attention recently (19). In all these cases the electron-donating ability of the polyethers is mainly responsible for their interesting attention recently (19).


Intrinsic Viscosity Vinyl Monomer Phase Transfer Catalyst Star Shape Polymer Star Shape 


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Copyright information

© Plenum Press, New York 1984

Authors and Affiliations

  • Samuel J. Huang
    • 1
  • Peter T. Trzasko
    • 1
  1. 1.Department of Chemistry and Institute of Materials ScienceUniversity of ConnecticutStorrsUSA

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