Co^60-r선 조사에 따른 이축연신 폴리프로필렌 필름의 열자격전류 특성 변화 = Variations of Thermally Stimulated Current Characteristics on the Biaxially-oriented Polypropylene Films Due to the Co^60-r Ray Irradiation

다국어 초록 (Multilingual Abstract)

In order to investigate the Co^60-γ ray irradiation effects on the thermally stimulated current(TSC) characteristics of the biaxially-oriented polypropylene (BOPP) films, TSCs on the 15㎛ thick BOPP films before and after irradiation were observed in the temterature range of -120∼120℃ and at the forming electric field of 10, 30 and 60MV/m.
Two distinguished peeaks such as β peak and α peak, the former was regarded as the depolarization process of dipoles on a amorphous region and the latter was attributed the thermally excited detrapping process of the trapped ions on a crystaline region in BOPP, were observed in the TSC spectra.
From the observed results, the physical properties of γ-ray irradiated BOPP that are activation energy and relaxation time of charged particles, moment of dipole and forming field dependencies on TSC characteristics were analyzed and discussed.

목차 (Table of Contents)

• Abstract
• Ⅰ. 서 론
• Ⅱ. 시편의 제작 및 실험
• Ⅲ. 실험결괄 및 고찰
• Ⅳ. 결 론
• 참고문헌