Reactor basketlike tumbler

Since a relatively large volume reactor is employed, e.g., 200-500 liters for basketlike tumbler reactors, it is nearly mandatory to charge sufficient number of substrate, which makes experiments with small number of substrates difficult and inefficient. On the other hand, the total number of substrates that can be charged in the basketlike tumbler is restricted by other factors of a tumbler reactor. A smaller reactor by this principle is difficult, as will be made clear by the same reason described below. 

In order to create a luminous gas phase that can be utilized in a basketlike tumbler reactor for various monomers, it is necessary to increase the diameter of the center hot electrode to reduce the unbalance in electrode surfaces. The surface area of the center hot electrode and the surface area of the basket are the main issues in this situation because the basket is the primary counterelectrode and any other grounded surface does not play a role in this specific case. The increase of diameter of the center electrode reduces the extent of the unbalance but at the same time reduces the volume in which small-size substrates could be placed. Thus, there is a trade-off point between the electrode diameter and the utilizable basket volume. Roughly 40% of the basket diameter could be a reasonable diameter for the center electrode. 

The basketlike tumbler rotates in a vacuum reactor, into which the monomer is fed. Therefore, there are three basic volumes involved (1) the volume of the vacuum reactor, Vg, (2) the volume of basketlike tumbler, V2, and the volume of the internal electrode, F3, as depicted in Figure 22.3. Since F3 is a dead volume, the effective... 

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