Polymer Bulletin

, Volume 21, Issue 3, pp 319–326 | Cite as

Electrophilic aromatic substitution on poly-(4-N,N-dimethylaminostyrene-co-styrene) copolymers

Evidence for intramolecular hydrogen bonding
  • Jochen Stock
  • Reimund Stadler


Poly-[-4-(N,N-dimethylamino)styrene and its copolymers are prepared by standard radical polymerization proceeding and modified using 4-phenyl-1, 2,4-triazoline-3,5-dione (PTD). From IR- and NMR-spectroscopy and the intrinsic viscosity [η] it can be deduced that hydrogen bonds mainly are formed between the dimethylamino group and the proton of the urazole ring, contrary to the formation of dimeric hydrogen bond complexes in modified polydienes. The basicity of the dimethylamino group is too small to abstract the urazole proton completely, which would generate a zwitterionic species.


Polymer Viscosity Hydrogen Bond Styrene Dione 
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Copyright information

© Springer-Verlag 1989

Authors and Affiliations

  • Jochen Stock
    • 1
  • Reimund Stadler
    • 1
  1. 1.Institut für Makromolekulare ChemieUniversitätFreiburgGermany

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