| 학회 |
한국고분자학회 |
| 학술대회 |
2021년 가을 (10/20 ~ 10/22, 경주컨벤션센터) |
| 권호 |
46권 2호 |
| 발표분야 |
Virtual Lightning Session |
| 제목 |
Off-stoichiometry Effect on Network Structure and Tensile Properties of an Epoxy Resin |
| 초록 |
Epoxy resins, which have a network structure formed via curing reactions of epoxy and amine compounds, are often used as a composite with inorganic fillers. In general, either an epoxy or amine component was segregated at the filler interface, meaning that the reaction at the interface would proceed non- stoichiometrically. The objective of this study is to give a better understanding of how off-stoichiometry affects the network, thereby the material properties. The epoxy resins were obtained by the reaction of di-functional epoxy and amine compounds at various ratios (p). Higher p value corresponds to an excess of epoxy groups compared to amino ones. The glass transition temperature decreased with increasing p, suggesting a plasticizing effect of unreacted epoxies. Young’s modulus remained unchanged at a lower p, while it started to decrease at a higher p. Discussion on the correlation with the network will be given. |
| 저자 |
Kosuke Mitsuki, Atsuomi Shundo, Satoru Yamamoto, Keiji Tanaka
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| 소속 |
Kyushu Univ. |
| 키워드 |
- |
| E-Mail |
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