허기영 김대흠 Shin Hyun deung Lee, Sang-Soo Lim, Soon Ho 2024-01-13T02:32:33Z 2024-01-13T02:32:33Z 2021-09-29 https://pubs.kist.re.kr/handle/201004/101532 English clay nanocomposite ultrasonication dispersion intercalation Effect of the ultrsonic dispersion on the clay modification Conference 2 2009 한국고분자학회 춘계학술대회 연구논문집 2009 한국고분자학회 춘계학술대회 연구논문집 KO