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Glass Bubble을 이용한 인스트루먼트 패널 코어용 경량화 소재 개발
가석순(Suksun Ka),배우종(Youjong Bae),장석대(Sugdae Chang),송한석(Hanseok Song),박대순(Daesoon Park) 한국자동차공학회 2007 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Glass bubbles are advanced low density additives widely used in a variety of industrial applications, and these microscopic spheres of soda-lime borosilicate glass are water insoluble, chemically stable and offer high strength-to-weight ratio. Due to these low density compared with other inorganic fillers, the weight reduction of the injection molded parts could be achieved. These materials are recently widely used for the automotive interior & exterior parts to reduce not only the part weight, but also the cycle time and the molding temperature, etc. In addition, the spherical shape (aspect ratio of 1.0) often improves the dimension stability of the polymer composite, resulting in less shrinkage and warpage. This paper describes that the development of light weight material for Instrument Panel Core through the polymer composite between Polypropylene and Glass Bubbles.