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발포제에 따른 PIR 폼의 물성에 관한 연구
출처
한국고분자학회
발행일
2021-07-25
분야분류
IT소재부품, 해외동향, IT부품정보, IT부품정보 네트워크,
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In this study, 1-chloro-3,3,3-trifluoropropene (HFO-1233zd), which has low ozone depletion potential and global warming potential, was used to synthesize the polyisocyanurate (PIR) foam and its mechanical strength and thermal properties were compared with foam synthesized using cyclopentane, a hydrocarbon-based blowing agent, and 1,1,1,3,3-pentafluoropropane (HFC-245fa), an alternative blowing agent to 1,1-dichloro-fluoroethane (HCFC-141b). PIR foam synthesized using HFO-1233zd showed the lowest thermal conductivity among foam synthesized using other blowing agents, confirming its superior insulation performance. Furthermore, its compressive strength was higher than that of the foam using cyclopentane, having strength similar to foam using HFC-245fa. According to the limited oxygen index (LOI) test, foam synthesized using cyclopentane showed the lowest LOI value (23.7%) while HFO-1233zd based foams scored the highest (26.3%) proving their excellence in flame retardancy.