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초록
영어
Main component of radiography barrier aprons is lead. To manufacture a lead-free barrier sheath, barium sulfate and organic iodine-based chemicals should be mixed with rubber. Barrier capacity was tested in the medical field. To improve adaptation of rubber with the mixture, raw materials went through milling, agitation, and extruding processes. Three sheaths were manufactured with 30%, 80%, and 120% sulfate barium, respectively. This study found 10% lower barrier capacity of lead-free barrier than the traditional lead-containing rubber sheath. Problems, however, were confronted during the agitation and extruding processes. Mixing with rubber was a technically demanding job. Inconsistent depth, problems with thermal processing and dissipation were encountered as well.
목차
Abstract Ⅰ. 서론 Ⅱ. 실험 방법 및 제작 과정 1. 실험기기 및 재료 2. 의료방사선 차폐 고무(Rubber) 시트 샘플 3. 실험 방법 Ⅲ. 결과 Ⅳ. 고찰 및 결론 참고문헌