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

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

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Samenvatting

(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.
Originele taal-2English
Pagina's (van-tot)4463-4470
Aantal pagina's8
TijdschriftPolymer
Volume36
Nummer van het tijdschrift23
DOI's
StatusPublished - nov.-1995

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