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실리콘 수지조성물 코팅에 따른 실리카 직물의 방화 성능
라해준,배진화,안승국,Na, Hae-Joon,Bae, Jin-Hwa,An, Seung-Kook 한국섬유공학회 2011 한국섬유공학회지 Vol.48 No.4
High-temperature fire-resistant materials are required to enhance the fire-related safety of high story buildings. In this study, the thermal protection performance of protective textiles was evaluated, and these materials were based on silica fabrics coated with silicon resins of different formulations. The fabrics with larger coating thickness had higher $t_{12}$ and HTI values, as expectedly. In addition to the positive effect seen after vermiculite addition, the addition of aerogels in to the coating resin improved substantially the fire-proofing performance, even in very small amounts. However, the small additions to the resin caused a rapid rise in resin viscosity and caused spreading problems on the silica fabrics. Therefore, toluene was required as a solvent. All coated samples showed very high thermal stability with very small volume decreases even at temperatures as high as $900^{\circ}C$. The coated silica fabrics with silicon resin are expected to be used as screen shutters in the case of fire.
오도향,라해준,전연희,정원영,안승국,Oh, Do-Hyang,Na, Hae-Joon,Jeon, Youn-Hee,Jeong, Won-Young,An, Seung-Kook 한국섬유공학회 2010 한국섬유공학회지 Vol.47 No.4
The physical and functional properties of various woven fabrics with Hanji/cotton and Hanji/silk were examined. The tensile linearity, tensile resilience, bending rigidity, bending hysteresis and shearing stiffness increased with increasing Hanji yarn content. On the other hand, the compression linearity and coefficient of friction decreased with increasing Hanji yarn content. Grade 4-5 or 5 on the abrasion resistance and pilling test were obtained in six samples. The drape test showed that the flexibility of the samples was affected by the Hanji yarn content. Moreover, the shape of the samples showed anisotropy with increasing Hanji yarn content.