Production of silica colloids

Details Production of silica colloids Production of silica colloids

1987-08-05

1991-11-19

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

2523156, 423339, B01J 1300, C01B 3314

Patent

active

050664204

ABSTRACT:
Silica colloids having a spherical form, a mean diameter of between about 10 and 100 nm and a polydispersity index between about 1 and 4. A process for making silica colloids is also provided comprising a) forming a reaction medium by simultaneously adding an acidifying agent and an alkaline silicate solution to a reaction vessel, b) reacting the acidifying agent and alkaline silicate solution, and c) maintaining a constant volume of the reaction medium by drawing off the reaction medium.

REFERENCES:
patent: 2466842 (1949-04-01), Elston
patent: 2577485 (1951-12-01), Rule
patent: 2871099 (1959-01-01), Ziese
patent: 2956957 (1960-10-01), Armstrong et al.
patent: 3337299 (1967-08-01), Burke, Jr.
patent: 3480390 (1969-11-01), Reinhardt et al.
patent: 4356107 (1982-10-01), Payne
Kirk-Othmer, Encyclopedia of Chemical Technology, vol. 20, pp. 771-773, 1982.
Iler, The Chemistry of Silica, pp. 174-177 (1979).

Affiliated with

Also associated with

Rating

Production of silica colloids does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Production of silica colloids, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Production of silica colloids will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1368462