CHAMBON, Pierre; CLOUTET, Eric; CRAMAIL, Henri

doi:10.1002/masy.200550821

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CHAMBON, Pierre
Laboratoire de Chimie des polymères organiques [LCPO]

CLOUTET, Eric

Laboratoire de Chimie des polymères organiques [LCPO]
Team 4 LCPO : Polymer Materials for Electronic, Energy, Information and Communication Technologies

CRAMAIL, Henri

Laboratoire de Chimie des polymères organiques [LCPO]
Team 2 LCPO : Biopolymers & Bio-sourced Polymers

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Macromolecular Symposia. 2005, vol. 226, p. 227-238

Wiley-VCH Verlag

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Core-shell polyurethane (PUR)-polydimethylsiloxane (PDMS) particles were prepared by polyaddition between ethylene glycol and tolylene-2,4-diisocyanate in cyclohexane, used as the organic dispersant phase, in the presence of reactive hydroxy-terminated polydimethylsiloxane steric stabilizers. The reaction extent and the PUR particle size, monitored by FTIR, H-1 NMR, SEC, SEM and TEM techniques against time, were found a function of the PDMS concentration, functionality and molar mass. A mechanism of the polyurethane particle growth is proposed on the grounds of the kinetic investigation.< Leer menos

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polyurethane

dispersion polymerization

polyaddition

polydimethylsiloxane

core-shell particles

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Synthesis of core-shell polyurethane-polydimethylsiloxane particles by polyaddition in organic dispersant media: Mechanism of particle formation

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