C - Chemistry – Metallurgy – 01 – G
Patent
C - Chemistry, Metallurgy
01
G
C01G 23/053 (2006.01) C01B 13/32 (2006.01) C01G 23/00 (2006.01) C09C 1/36 (2006.01)
Patent
CA 2338917
The present invention relates to metal oxide particles capable of being highly dispersed in organinc materials to form transparent colloids and ceramers. The metal oxide particles of the present invention have surfaces attached to a dispersing aid and a degree of crystallinity of greater than 55 percent. The crystallite diameter of the metal oxide particles is greater than about 4 nanometers and less than about 20 nanometers. The present invention also relates to the colloids and ceramers prepared using these metal oxide particles and the methods associated with the preparation of the particles, colloids, and ceramers.
L'invention concerne des particules d'oxyde métallique capables d'être fortement dispersées dans les matières organiques de manière à former des colloïdes et céramères transparents. Ces particules présentent des surfaces fixées à un élément auxiliaire de dispersion et un degré de cristallinité supérieur à 55 %. Le diamètre de la cristallite des particules d'oxyde métallique est supérieur à 4 nanomètres environ et inférieur à 20 nanomètres environ. L'invention concerne également les colloïdes et les céramères préparés à l'aide de ces particules d'oxyde métallique et les procédés associés à la préparation des particules, colloïdes et céramères.
Arney David S.
Wood Thomas E.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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