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Int J Fire Sci Eng > Volume 32(3); 2018 > Article
Fire Science and Engineering 2018;32(3):27-34.
DOI: https://doi.org/10.7731/KIFSE.2018.32.3.027    Published online June 30, 2018.
송엽분과 질석을 포함한 준불연 단열복합보드의 개발
정창헌, 유석형
1경남과학기술대학교 건축공학과
2경남과학기술대학교 건축공학과
Development of Semi-Incombustible Composite Insulating Board Containing Pine Leaf Powder and Vermiculite
Cheong Chang Heon, Yoo Seok Hyung
1Dept. of Architectural Engineering, Gyeongnam National University of Science and Technology
2Dept. of Architectural Engineering, Gyeongnam National University of Science and Technology
요약
본 연구는 송엽분과 질석을 주 원료로 하여 건축용 및 선박용으로 적용될 수 있는 준불연 단열복합보드를 개발하고 불연성능, 준불연성능, 보드 전체의 열관류율을 평가하였다. 가연성 물질인 송엽분과 유연바인더의 비율에 따라 보드의 화재저항성능이 결정되었으며, 가연물질이 불포함된 보드의 경우 불연성능을 확보하였다. 송엽분 6%를 첨가한 보드는 준불연 성능을 확보할 수 있었으며, 그 이상의 송엽분이 포함되거나 가연성의 바인더가 첨가될 경우 준불연 성능을 확보할 수 없는 것으로 나타났다. 또한, 글래스울과 폴리우레탄 뿜칠을 단열층으로 하고 개발된 불연/준불연 보드를 이용하여 1차 마감한 복합벽체는 200 mm 두께에서 국내법규 상의 건축물 단열기준을 상회하여 만족하는 것으로 나타났다.
Abstract
A Semi-Incombustible Composite Insulation Board (SICIB) that can be applied to building construction and ships was developed. The SICIBs comprised of pine leaf powder, vermiculite. The incombustibility, semi-incombustibility, and U-factor of the developed SICIBs were measured. The incombustibility of the each SICIB was determined by the proportion of combustible flexible binder and pine leaf powder. SICIB satisfied the incombustibility test without a combustible flexible binder and pine leaf powder. In addition, SICIB with 6% of pine leaf ensured its semi-incombustible performance. A combustible flexible binder or pine leaf powder over 6% failed the fire-resistant performance of SICIB. In addition, SICIBs with incombustible/semi-incombustible finishing and a 200 mm insulating layer (glass wool and sprayed poly urethane foam) met the U-factor of an external wall for buildings described in the Korean building code.
Key Words: Semi-Incombustible insulating board, Vermiculite, Pine leaf powder, Mineral loose wool, U-factor


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