Electrical properties of cellulose plastics

摘要

In any discussion of the electrical properties of cellulose plastics, it is realized that the power factors of any of the cellulose nitrates, acetates, propionates and ethyl cellulose are not as low as some other type's, but this very fact may be an advantage in certain applications. The use of dielectric heating in molding or fabricating is one of these. Since the heat developed due to dielectric loss is proportional to the product of frequency and loss factor, for a fixed voltage gradient, a knowledge of the variation of loss factor with frequency is necessary to the proper application of dielectric heating.