C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 3/14 (2006.01) C04B 35/111 (2006.01)
Patent
CA 2232414
Alumina-based abrasive grains with a skin consisting of a mixture of finely dispersed hydrated alumina and sodium silicate are disclosed. A method for making such grains, wherein a gel is prepared by mixing together a sodium silicate solution and a colloidal solution of hydrated alumina in an acidic medium, the abrasive grains are coated with the resulting gel in an amount of 0.1-5 % based on the weight thereof, and the coated grains are dried at 100-500 DEG C, is also disclosed. Said grains are useful for making abrasive cloths and papers as well as grinding wheels.
L'invention concerne des grains abrasifs à base d'alumine présentant une peau constituée d'un mélange d'hydrate d'alumine finement dispersé et de silicate de sodium. Elle concerne également un procédé de fabrication de tels grains consistant à: préparer un gel par mélange d'une solution de silicate de sodium et d'une solution colloidale d'hydrate d'alumine en milieu acide, enrober les grains abrasifs à l'aide de ce gel en quantité comprise entre 0,1 et % de leur poids, soumettre les grains enrobés à un séchage entre 100 et 500 ° C. Les grains selon l'invention sont utilisés dans la fabrication de toiles et papiers abrasifs ainsi que de meules.
Pem Abrasifs Refractaires
Robic
LandOfFree
Alumina-based abrasive grains and method for preparing same does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Alumina-based abrasive grains and method for preparing same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Alumina-based abrasive grains and method for preparing same will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1577783