ABSTRACT
Nomenclature and Manufacture . . . . . . . . . . . . . . . . 779
Silica Gels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 780
Precipitated Silicas . . . . . . . . . . . . . . . . . . . . . . . . 782
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 782
Reinforcing Agent . . . . . . . . . . . . . . . . . . . . . . . . 782
Carrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 783
Anticaking and Free-Flow Agent . . . . . . . . . . . . 783
Thickener . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 783
Adsorbent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 784
Defoamer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 784
Catalyst Support . . . . . . . . . . . . . . . . . . . . . . . . . . 785
Abrasive-Polishing Agent . . . . . . . . . . . . . . . . . . 785
Antiblock Agent . . . . . . . . . . . . . . . . . . . . . . . . . . 785
Flatting Agent . . . . . . . . . . . . . . . . . . . . . . . . . . . 785
Battery Separators . . . . . . . . . . . . . . . . . . . . . . . . 785
Paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 785
Insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 786
Other Uses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 786
Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . . 786
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 786
Additional Reading . . . . . . . . . . . . . . . . . . . . . . . . . 786
An overview of the nomenclature, manufacture, and uses of synthetic silica gels and precipitated silicas that
are of significant commercial importance is presented. Typical manufacturing processes are reviewed, and
differences in the structure of silica gels and precipitated silicas that come about as a result of their methods
of production are discussed. Applications covered include uses as a reinforcing agent, carrier, anticaking
and free-flow agent, thickener, adsorbent, defoamer, catalyst support, abrasive-polishing agent, antiblock
agent, and flatting agent.
