INVESTIGADORES
SARMORIA Claudia
congresos y reuniones científicas
Título:
Optimization of Nitroxide Mediated Polymerization for the Synthesis of Tailor-Made Copolymers
Autor/es:
FORTUNATTI, CECILIA; SARMORIA, CLAUDIA; BRANDOLIN, ADRIANA; ASTEASUAIN, MARIANO
Lugar:
Rosario, Santa Fe
Reunión:
Congreso; CAIQ2013 - VII CONGRESO ARGENTINO DE INGENIERíA QUíMICA; 2013
Institución organizadora:
Asociación Argentina de Ingenieros Químicos
Resumen:
Since its discovery in the mid ?90s, controlled radical polymerization
techniques have undergone a huge development because they represent an
alternative for ionic polymerizations that does not require so stringent purity
conditions to be carried out. Controlled radical polymerization offers the
possibility for synthesizing (co) polymers not only with controlled molecular
weight and polydispersity, but also with different complex molecular
architectures. The copolymer microstructure impacts the final properties of the
resin. Therefore, models able to predict the chain architecture are of major
importance for the production of materials with pre-specified characteristics.
In this work, the controlled radical copolymerization of St and
MMA in tubular and semibatch reactors is optimized in order to obtain optimal operating
and design conditions for producing well-defined block copolymers. The process
model that is used is able to predict not only the average properties but also
the full bivariate MWD. The results are helpful in selecting the process
conditions based on the required characteristics of the material to be
produced. Besides, it is shown that the large-scale production of tailor made
copolymers can be carried out in a relatively simple way.