Mouldings made from core/shell particles

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 45/00 (2006.01) B05D 5/06 (2006.01) B29C 43/00 (2006.01) B29D 11/00 (2006.01) C09B 67/00 (2006.01) C09B 67/08 (2006.01) B05D 3/06 (2006.01)

Patent

CA 2474861

The invention relates to moulded bodies having an optical effect, essentially consisting of core-shell particles comprising a shell which forms a matrix and a core which is essentially solid and has an essentially monodisperse size distribution, the refractive index of the core material being different from that of the shell material. The invention is characterised in that at least one contrast material is stored in the matrix.

L'invention concerne des corps moulés à effet optique, comprenant essentiellement des particules à noyau et enveloppe, dont l'enveloppe forme une matrice et le noyau est sensiblement solide et présente une répartition dimensionnelle sensiblement monodispersée, une différence existant entre l'indice de réfraction du matériau formant le noyau et le matériau formant l'enveloppe. L'invention se caractérise en ce qu'au moins un matériau de contraste est inséré dans la matrice.

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