END-GRAFTING OF (CO)POLYGLUTAMATES AND (CO)POLYASPARTATES ONTO SI-OH CONTAINING SURFACES

Michiel L.C.M. Oosterling, Edwin Willems, Arend Jan Schouten

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

(Co)polyglutamates and (co)polyaspartates were grafted onto microparticulate silica and flat Si-OH containing surfaces, by initiating the N-carboxyl anhydrides of the corresponding α-amino acids with an immobilized primary amine. The copolymers were prepared by polymerization of mixtures of N-carboxy anhydrides. In the case of microparticulate silica, all the available monomer was converted into grafted polymer, whereas in the case of flat surfaces, non-grafted material was formed as well. The grafted products were identified with infra-red spectroscopy and X-ray photoelectron spectroscopy.
Original languageEnglish
Pages (from-to)4463-4470
Number of pages8
JournalPolymer
Volume36
Issue number23
DOIs
Publication statusPublished - Nov-1995

Keywords

  • GRAFTING
  • POLYPEPTIDES
  • IMMOBILIZED INITIATOR
  • CHOLESTERIC MESOPHASE PROPERTIES
  • TERMINALLY ATTACHED CHAINS
  • CONSISTENT FIELD-THEORY
  • THERMOTROPIC POLYPEPTIDES
  • POLYMER LAYERS
  • TETHERED CHAINS
  • INTERFACE
  • BEHAVIOR
  • BRUSH
  • MONOLAYERS

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