CE06 - Polymères, composites, physique et chimie de la matière molle

Polymerization Induced Self-Assembly: tuning the unimer exchange dynamics to control morphology – DYNAMIC-PISA

Submission summary

DYNAMIC-PISA aims at controlling the morphology of block copolymer nanoparticles formed by PISA (Polymerization Induced Self-Assembly) through fine tuning of the exchange dynamics of unimers. PISA is a recent polymerization process that yields amphiphilic block copolymers in a selective solvent (ideally water) so that they self-assemble as they are being formed. This industrially relevant process allows the straightforward preparation of self-assembled nanostructures at high solid contents (typically 10-40 wt%). Although nanostructures of various morphologies have been reported in the literature, they are up to now the result of serendepity rather than being designed on purpose. By tuning the exchange dynamics of unimers, that is the rate at which single polymer chains exchange between the self-assembled nanoparticles, we intend to rationally control the formation of targeted morphologies (e.g. cylinders or vesicles) and use them as rheology modifiers or encapsulating vectors.

Project coordination

Olivier Colombani (INSTITUT DES MOLÉCULES ET MATÉRIAUX DU MANS)

The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.

Partner

IMMM INSTITUT DES MOLÉCULES ET MATÉRIAUX DU MANS
IPCM Institut Parisien de Chimie Moléculaire

Help of the ANR 380,535 euros
Beginning and duration of the scientific project: October 2019 - 48 Months

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