Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Effect of Composition of Base Fabric in Heat Protective Clothing on Physical Properties and Heat Protective Performances

방열복용 기저원단의 조성이 물리적 특성 및 방열특성에 미치는 영향

  • Received : 2022.09.23
  • Accepted : 2022.10.24
  • Published : 2022.10.31
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Abstract

Heat protective clothing from 100% aramid fiber shows excellent physical properties as well as good thermal insulation properties. However, there are also some drawbacks such as high cost, heavy weight, and stiffness. Blending aramid fiber with other kinds of fibers could be one of the solutions for inexpensive, lighter, and flexible heat protective clothing. In this study, we made four base fabrics with different fiber compositions using p-aramid, basalt, and oxidized PAN fibers. Tensile and tear strengths of the base fabrics, BF2 and BF4, which contained an oxidized PAN fiber were less than those of base fabrics, BF1 and BF3, which were made from only p-aramid and basalt fibers. Although all of the base fabrics showed good flame retardancy, the protection performances against radiation or convection heat source of BF2 and BF4 were better than those of BF1 and BF3. Heat protective fabrics made from the base fabrics, aluminium reflective layer and aramid tricot lining, exhibited much higher heat protection performances showing high RHTI24 and HTI24 values. The heat protective fabric, HPC4, which showed the best performances, exhibited good protection against molten metal splash. The total degree of burn of the heat protective clothing from HPC4 was predicted as 4.15% after flash fire exposure for 4sec in the instrumented manikin test.

Keywords

Acknowledgement

이 연구는 2022년도 산업통상자원부 및 산업기술평가관리원(KEIT) 연구비 지원에 의한 연구임(20006387).

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