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인계 화합물을 사용한 폐 폴리우레탄의 화학적 분해와 재활용에 관한 연구
고성호,김은혜,김상범 한국공업화학회 2004 응용화학 Vol.8 No.2
The each compounds of TCPP(Tri(2-chloropropyl) phosphante), TCEP(Tri(2-chloroethyl) phosphate), TMP(trimethyl phosphate) and TEP(triethyl phosphate) has been reacted with flexible polyurethane scrap to convert into liquid forms by thermal degradation. The structure, OH-value, and viscosity of the degraded products(DEP) were studied by FT-IR, titration and viscometer. The DEPs from flexible polyurethane scrap were apply as flame retardant to synthesize the rigid polyurethane foam. The thermal stability and inflammability of rigid polyurethane foams were estimated.
North Korean Defectors: Their Life and Well-Being After Defection
고성호,정기선,오유석 경남대학교 극동문제연구소 2004 ASIAN PERSPECTIVE Vol.28 No.2
The major purpose of this research is to understand the process by which North Korean defectors settle in South Korea, with special attention to the situations they face in Northeast Asian countries, especially in China. To this end, twelve defectors who entered South Korea via China were interviewed. The analysis of the interviews suggests that North Korean defectors suffer from various economic and psychological problems. Most of them tend to start their life as a defector by begging for food and shelter. They may work, but with little respect, usually resulting in exploitation. Women in particular tend to be sold and resold into marriage or prostitution. North Korean defectors live in constant fear of being arrested and deported by the Chinese police and also suffer from prejudice and discrimination by local citizens. Moreover, defectors are anxious about their family members left behind in North Korea as they face possible humiliation, torture, and relocation to concentration camps.