Macroradical initiated polymerisation of acrylic and methacrylic monomers.
J Sep Sci
; 32(19): 3340-6, 2009 Oct.
Article
em En
| MEDLINE
| ID: mdl-19722174
ABSTRACT
An approach has been developed for the grafting of monomers onto poly(trimethylolpropane trimethacrylate) (polyTRIM) particles using 2,2-diethyl dithiocarbamic acid benzyl ester (DDCABE) as an initiator. A set of polymers was prepared with this technique over different lengths of time and the kinetics of the reaction studied experimentally. It was found that the grafting of initiator to the polymeric support followed a second order reaction, while the subsequent addition of monomers from solution into the polyTRIM macroradicals followed a first order reaction. The living nature of the iniferter modified macroradicals permits easy consecutive grafting of multiple polymeric layers, allowing straightforward functionalisation of particles. However, the effectiveness of the grafted initiator decreased with each cycle of polymerisation. This technique can be used for a wide range of applications in analytical and biochemistry.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Polímeros
/
Acrilatos
/
Radicais Livres
/
Metacrilatos
Tipo de estudo:
Evaluation_studies
Idioma:
En
Revista:
J Sep Sci
Ano de publicação:
2009
Tipo de documento:
Article
País de afiliação:
Reino Unido