01168nam a2200205 k 4500001001300000005001500013008004100028041001300069049003200082052001600114056001400130082001500144245028900159260003600448300003000484502007400514650004900588653029200637700003300929KDM20046399520180903115206041129s2004    ulka       AQh000   kor  0 akorbeng0 lEM3198472lEM3198473c2fDP01a439.84b4-5  a439.84240 a547.8422100a환경친화적 발포제를 이용해 합성한 폴리우레탄 폼의 기계적 강도, 열적 거동 및 모폴로지에 관한 연구=xMechanical properties, thermal behavior and morphology of polyurethane foams fabricated by using environment-friendly blowing agents/d최건형  a서울:b연세대학교,c2004  axi, 164p.:b삽도;c26cm1 a학위논문(박사) --b연세대학교 대학원:c화학과,d2004 8a폴리우레탄[polyurethane]0KSH1998001196  a환경친화a발포제a폴리우레탄a폼a강도a열거동a모폴로지aMECHANICALaPROPERTYaTHERMALaBEHAVIORaMORPHOLOGYaPOLYURETHANEaFOAMaFABRICATEDaENVIRONMENTFRIENDLYaBLOWINGaAGENTa고중합체aHIGHaPOLYMERSa환경친화발포제a폴리우레탄폼a기계강도1 a최건형0KAC2018D09324aut