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Studies on the use of nano zinc oxide and modified silica in NR, CR ...

Studies on the use of nano zinc oxide and modified silica in NR, CR ...

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Chapter 3<br />

3.5 C<strong>on</strong>clusi<strong>on</strong>s<br />

72<br />

1. Nano <strong>z<strong>in</strong>c</strong> <strong>oxide</strong>s could be successfully prepared by precipitati<strong>on</strong> <strong>and</strong><br />

pyrolytic methods <strong>and</strong> <strong>the</strong>ir yield is high.<br />

2. Bulk density <strong>of</strong> prepared <strong>z<strong>in</strong>c</strong> <strong>oxide</strong>s is greater than that <strong>of</strong><br />

c<strong>on</strong>venti<strong>on</strong>al <strong>z<strong>in</strong>c</strong> <strong>oxide</strong>.<br />

3. Surface area <strong>of</strong> prepared <strong>z<strong>in</strong>c</strong> <strong>oxide</strong>s is greater than that <strong>of</strong><br />

c<strong>on</strong>venti<strong>on</strong>al <strong>z<strong>in</strong>c</strong> <strong>oxide</strong>.<br />

4. Z<strong>in</strong>c <strong>oxide</strong>s prepared <strong>in</strong> <strong>the</strong> laboratory are highly pure.

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