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Modelling and Simulation in Life and Material Sciences

Mathematical modeling of Controlled Radical Polymerization

Simone Rusconi

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This movie shows a simulation for the polymerization of Polyvinyl Chloride (PVC). This polymerization is
performed by Control Radical Polymerization (CRP), that is a process to form polymers by successive monomers
additions. This growing process is mainly made by three events: propagation, if the next monomer is linearly
added to the chain, backbiting, when the free radical changes its position and a new branch will start growing
perpendicular to the previous one, and termination, if the chain stops to grow.
PVC is produced by polymerization of the monomer vinyl chloride (VCM), made by the following elements:
carbon atoms (blue spheres), hydrogen atoms (white spheres) and chlorine atoms (green spheres). The red
sphere is the free radical.

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Eusko Jaurlaritza - Gobierno Vasco ikerbasque - Basque Foundation for Science Bizkaia xede. Bizkaiko Foru Aldundia innobasque - Agencia vasca de la innovación Universidad del PaÌs Vasco (UPV/EHU)