Browsing by Author "El-Shekeil, Ali"
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The electrical and optical properties of poly (4-ethylidene-l, 3-cyclopentylene vinylene)
Shahada, Lamis [لميس شحادة]; El-Shekeil, Ali; Mounir, M. ( Qatar University , 1989 , Article)The intrinsic viscosity, electrical conductivity and IR absorbance were measured for the sample of poly (4—ethylidene—1, 3—cyclopentylene vinylene). The sample is strongly oxidized in air. Under vacuum the activation energy ...