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트리클로로 방향족 변성플리에스테르를 함유한 플리우레탄 난연도료의 합성과 난연최적화
황규현(Kyu Hyun Hwang),김대원(Dae Won KIm),함현식(Hyun Sik Hahm),박홍수(Hong Soo Park) 한국유화학회 2000 한국응용과학기술학회지 Vol.17 No.4
N/A Two-component polyurethane flame-retardant coatings were prepared by blending trichloro aromatic modified polyesters(TCMPs) and polyisocyanate. TCMPs were synthesized by polycondensation of trichlorobenzoic acid(TCBA), a flame-retardant component, with adipic acid, 1,4-butanediol, and trimethylolpropane. The content of TCBA was varied in 10, 20, and 30 wt% for the reaction. These new flame-retardant coatings showed various properties comparable to other non-flame-retardant coatings. Moreover, we carried out the combustion test and the flammability test for our flame-retardant coatings. The results of vertical burning test for the coatings containing more than 20 wt% of TCBA were determined as `no burn`. The results of flammability test for the coatings with 20 wt% and 30 wt% of TCBA contents indicated the limiting oxygen index(LOI) values of 25% and 28% respectively, which implied relatively good flame retardancy. Keywords : two-component, polyurethane, combustion, flammability.