Manufacture of silica bodies using sol-gel techniques

Details Manufacture of silica bodies using sol-gel techniques Manufacture of silica bodies using sol-gel techniques

2006-09-05

2006-09-05

Lopez, Carlos (Department: 1731)

Glass manufacturing

Processes of manufacturing fibers, filaments, or preforms

Process of manufacturing optical fibers, waveguides, or...

C065S017200, C264S621000, C501S012000

Reexamination Certificate

active

07100400

ABSTRACT:
The use of large dense vitreous spherical (LDVS) silica powders for making sol-gel silica bodies has been found to have important advantages. Among these are higher gel strength, higher silica loading, more rapid aging and drying of the gel, a reduction in the amount of organic additives leading to reduced process time required for organic burn-off, and easier removal of contaminant particles due to their larger size. It was also discovered that combining LDVS particles with conventional non-spherical, lower density, aggregate particle mixtures, further improves the process.

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