B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
B01F 17/00 (2006.01) B01F 17/16 (2006.01)
Patent
CA 2564450
The invention relates to a method for dispersing and passivating particulate powders in water and aqueous media. It Is particularly advantageously applicable in the handling and processing of non-oxidic powders, e.g., in the ceramic and hard-metal Industry. In the method claimed auxiliaries are added due to the process. According to the invention this method is characterized in that polyvinylamines and/or the initial products thereof are used as these auxiliaries.
La présente invention concerne un procédé pour disperser et passiver des poudres à fines particules dans de l'eau ou dans des milieux aqueux. Cette invention est particulièrement avantageuse lorsqu'elle est mise en oeuvre dans le cadre de la manipulation et du traitement de poudres non oxydiques, par exemple dans l'industrie de la céramique et des métaux durs. Selon ledit procédé, des agents auxiliaires sont ajoutés en fonction du processus. Ce procédé est caractérisé en ce que des polyvinylamines et/ou des produits primaires de celles-ci sont utilisés comme agents auxiliaires.
Boden Gottfried
Nebelung Manfred
Thiele Sven
Ceratizit S.a.
Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung
G.u.s. Beteiligungs Gmbh
Guehring Ohg
H.c. Starck Gmbh
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