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J. Korean Ceram. Soc. > Volume 52(1); 2015 > Article
Journal of the Korean Ceramic Society 2015;52(1): 13.
doi: https://doi.org/10.4191/kcers.2015.52.1.13
폴리프로필렌 섬유 혼입 슬러리와 미네랄 하이드레이트 단열소재의 물리적 특성에 관한 연구
라윤호, 박재완, 추용식
한국세라믹기술원 에너지환경소재본부
A Study of the Physical Properties of Slurry and Mineral Hydrate Insulation Mixed with Polypropylene Fiber
Yun-Ho La, Jae-Wan Park, Yong-Sik Chu
Energy & Environment Division, Korea Institute of Ceramic Engieeing and Technology
The fabrication method used for mineral hydrate is similar to that of ALC (autoclaved lightweight concrete), but the fabrication of normal slurry with a considerable amount of a foaming agent is difficult due to material separation and collapse of the slurry. Therefore, the development of fabrication methods for normal slurry is necessary. The final product, mineral hydrate insulation, has excellent thermal properties but poor strength characteristic given the many pores. In this study, in order to fabricate normal slurry, the viscosity and foaming time of the slurry were controlled. The mixing ratio of the starting material and the polypropylene fiber was controlled to improve the strength. Mineral hydrate with polypropylene fiber showed a higher strength than that without this type of fiber. Specifically, the compressive strength of mineral hydrate with 2% polypropylene fiber added to it was more than 40% higher than that without the fiber.
Key words: Mineral hydrate insulation, Polypropylene fiber, Compressive strength, Slurry
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