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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국고분자학회 폴리머 폴리머 제45권 제4호
- 발행연도
- 2021.7
- 수록면
- 483 - 490 (8page)
- DOI
- 10.7317/pk.2021.45.4.483
이용수
초록· 키워드
오류제보하기
Polyurethane (PU) has received extensive attention in structural engineering due to its excellent mechanical properties and damping properties. In this research, graphene-modified PU-epoxy composites are prepared for the application in structural engineering. The mechanical properties and damping properties of the composites with different contents of graphene are investigated. The damping properties of the composites were also investigated by performing dynamic mechanical analysis (DMA). The results showed that with the increase of graphene content, the tear strength of the composites decreased from 52 to 39 ㎫. Due to the enhancement of appropriate amount of graphene, the tensile strength and elongation at break increase to the maximum value, being 16 ㎫ and 675%, respectively. And DMA tests showed that the damping properties reach the optimal values when the graphene content is 0.2%. The large damping temperature range (ΔT<SUB>0.5</SUB>) is 33 ℃, from -2.9 to 30.1 ℃. The peak of loss factor (η<SUB>max</SUB>) is 0.92 and the integral area (TA) is 36 ℃, much higher than those of the pure PU-epoxy composites. In addition, scanning electron microscopy (SEM) results show that agglomeration appears with higher graphene content.
목차
Abstract
Introduction
Experimental
Results and Discussion
Conclusions
References
참고문헌 (16)
참고문헌 신청
Sun, Z. H.; Guo, Y. P.; Li, B. E.; Tan, T. Z.; Zhao, Y. ZnO/carbon Nanotube/reduced Graphene Oxide Composite Film as an Effective Interlayer for Lithium/sulfur Batteries. Solid State Sci. 2019, 95, 105924.
Hung, P. Y.; Kintak Lau; Qiao, K.; Fox, B.; Hameed, N. Property enhancement of CFRP composites with different graphene oxide employment methods at a cryogenic temperature. Composites Part A 2019, 120, 56-63.
Chan, K. C.; Tso, C. Y.; Hussain, A.; Christopher, Y. H. C. A Theoretical Model for the Effective Thermal Conductivity of Graphene Coated Metal Foams. Appl. Therm. Eng. 2019, 161, 114112.
Yin, J.; Zhang, W. Electromagnetic Interference Shielding Performance-nanosheet/polyethylene Composite Films. Acta Materiae Compositae Sinica 2019, 36, 293-303.
Kim, S. Y.; Song, Y. I.; Wee, J. H.; Kim, C. H.; Ahn, B. W.; Lee, J. W.; Shu, S. J.; Terrones, M.; Kim, Y. A.; Yang, C. M. Fewlayer Graphene Coated Current Collector for Safe and Powerful Lithium Ion Battery. Carbon 2019, 153, 495-503.
Hung, P. Y.; Kintak Lau; Qiao, K.; Fox, B.; Hameed, N. Property enhancement of CFRP composites with different graphene oxide employment methods at a cryogenic temperature. Composites Part A 2019, 120, 56-63.
Chan, K. C.; Tso, C. Y.; Hussain, A.; Christopher, Y. H. C. A Theoretical Model for the Effective Thermal Conductivity of Graphene Coated Metal Foams. Appl. Therm. Eng. 2019, 161, 114112.
Yin, J.; Zhang, W. Electromagnetic Interference Shielding Performance-nanosheet/polyethylene Composite Films. Acta Materiae Compositae Sinica 2019, 36, 293-303.
Kim, S. Y.; Song, Y. I.; Wee, J. H.; Kim, C. H.; Ahn, B. W.; Lee, J. W.; Shu, S. J.; Terrones, M.; Kim, Y. A.; Yang, C. M. Fewlayer Graphene Coated Current Collector for Safe and Powerful Lithium Ion Battery. Carbon 2019, 153, 495-503.
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