Method of making small hollow glass spheres

Details Method of making small hollow glass spheres Method of making small hollow glass spheres

B - Operations, Transporting

01

J

B01J 13/02 (2006.01) C03B 19/10 (2006.01) C03C 11/00 (2006.01)

Patent

CA 2051837

Abstract of the Invention Small hollow glass spheres are prepared by adding a surfactant to a liquid glass precursor mixture. The surfactant-containing solution or dispersion can be formed into droplets which are directed into a heated zone and the product collected in a cooler zone. Alternately, the solution or dispersion may be spray- dried, and the spray-dried product is fed into the heated zone and collected in the cooler zone. Nonionic fluorocarbon surfactants are the preferred surfactants.

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