Quinacridone nanoscale pigment particles

Details Quinacridone nanoscale pigment particles Quinacridone nanoscale pigment particles

C - Chemistry, Metallurgy

09

B

C09B 67/02 (2006.01) C09B 48/00 (2006.01) C09B 67/52 (2006.01) C09D 11/00 (2006.01)

Patent

CA 2633172

A nanoscale pigment particle composition includes a quinacridone pigment including at least one functional moiety, and a sterically bulky stabilizer compound including at least one functional group, wherein the functional moiety associates non--covalently with the functional group; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale-sized particles.

Une composition de particules de pigment à l'échelle nanométrique comprend un pigment de quinacridone contenant au moins une entité fonctionnelle, un stabilisant stériquement encombrant contenant au moins un groupe fonctionnel, l'entité fonctionnelle se liant de manière non covalente avec le groupe fonctionnel. La présence du stabilisant associé limite l'ampleur de la croissance et de l'agrégation des particules afin d'obtenir des particules nanométriques.

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