| 학회 |
한국고분자학회 |
| 학술대회 |
2005년 가을 (10/13 ~ 10/14, 제주 ICC) |
| 권호 |
30권 2호 |
| 발표분야 |
고분자 구조 및 물성 |
| 제목 |
Nonisothermal crystallization behavior of polyolefin terpolymer foam and resin |
| 초록 |
A study has been made of the crystallization behavior of polyolefin terpolymer (polypropylene-polyethylene-(1-butene)) under nonistothermal conditions. A DSC (differential scanning calorimether) was used to measure the energetics of the crystallization process from the melt. For nonistothermal crystallization the melt was crystallized by cooling at rates from 1o/C to 10o/C. A kinetic analysis based on the recently proposed model for nonisothermal crystallization kinetics to remedy the disadvantage of the Ozawa equation was applied. The Avrami exponent for the nonisothermal crystallization process was strikingly different from that of the isothermal process, which indicates different crystallization behaviors. The results agree with the morphological observation reported in the literature. This study shows that correct interpretation of the Avrami exponent provides valuable information about the crystal structure and its morphology. |
| 저자 |
황준호1, 김우년1, 황승상2, 홍순만2
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| 소속 |
1고려대, 2한국과학기술(연) |
| 키워드 |
nonisothermal crystallization; polyolefin; foam
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| E-Mail |
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