Polymers with side chain N-alkoxy pyridinium ions as precursors for photoinduced grafting and modification processes

DURMAZ Y. Y., YILMAZ G., Yagci Y.

MACROMOLECULAR CHEMISTRY AND PHYSICS, cilt.208, sa.16, ss.1737-1743, 2007 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 208 Sayı: 16
  • Basım Tarihi: 2007
  • Doi Numarası: 10.1002/macp.200700274
  • Dergi Adı: MACROMOLECULAR CHEMISTRY AND PHYSICS
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.1737-1743
  • İstanbul Teknik Üniversitesi Adresli: Evet

Özet

A combination of NMP and photoinitiated polymerization is suggested as a new strategy for the synthesis of graft copolymers. First, P(S-co-CMS) copolymer backbones with different chloromethyl content are prepared by NMP. The chloro functions are then converted into photosensitive 4-phenyl pyridinium-N-oxide ion functions. Finally, these photoactive polymers are irradiated in the presence of MMA to obtain the graft copolymers. They and their precursors at various stages are characterized by spectroscopy and GPC. It is demonstrated that the irradiation of photoactive polymers in the presence of a hydrogen donors such as THF facilitates the conversion of pyridinium ions to hydroxyl groups.