| 학회 |
한국고분자학회 |
| 학술대회 |
2005년 가을 (10/13 ~ 10/14, 제주 ICC) |
| 권호 |
30권 2호 |
| 발표분야 |
고분자 구조 및 물성 |
| 제목 |
Synthesis and Properties of Polyurethane/Clay Nanocomposite Using modified Clay By Isocyanate |
| 초록 |
Polyurethane(PU)/clay nanocomposite was synthesized from the polyol, polymeric 4,4’diphenylmethane diisocyanate (PMDI), and the clay modified with the PMDI. To achieve the clay modified with the PMDI, silanol group of the clay and NCO group of the PMDI were reacted for 2 hours at 50℃ to form urethane linkage. FT-IR analysis of the clay modified with the PMDI demonstrated that the NCO characteristic peak was observed in the clay after modification reaction with the PMDI. From the result of X-ray pattern, it was suggested that the clay layers were exfoliated from the PU/clay nanocomposite. From the results of the mechanical property, the maximum values of the flexural and tensile strength were observed when the 3 wt % of the clay based on PMDI was added into the PU/clay nanocomposites. |
| 저자 |
이재원1, 한성재1, 김동현1, 김우년1, 최건형2, 이영범2
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| 소속 |
1고려대, 2한국가스공사 연구개발원 |
| 키워드 |
polyurethane; nanocomposites; clay; isocyanate; PMDI
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| E-Mail |
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