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논문 기본 정보

자료유형
학술저널
저자정보
Bin Yang (Anhui University) Peng Zhang (Anhui University) Shu-Chun Zhao (Anhui University) Ru Xia (Anhui University) Li-Fen Su (Anhui University) Ji-Bin Miao (Anhui University) Peng Chen (Anhui University) Jia-Sheng Qian (Anhui University) You Shi (Sichuan University)
저널정보
한국고분자학회 폴리머 폴리머 제43권 제5호
발행연도
2019.9
수록면
665 - 673 (9page)
DOI
10.7317/pk.2019.43.5.665

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초록· 키워드

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The poly(lactic acid) (PLA)/graphene (GN) composites were prepared by solution blending. An in situ measurement technique was adopted to examine the non-isothermal crystallization of PLA/GN composites, which was different from the typical circumstances at constant cooling rate in DSC. The rheological properties of the samples were investigated, and the Carreau-A model was applied to non-linearly fit the rheological data. The non-isothermal crystallization kinetics and solidification behaviors at variant cooling rates were investigated using a modified version of Avrami equation by Jeziorny coupled with three-parameter model (TPM) and four-parameter model (FPM). Our findings showed that the viscosity of the PLA/GN composites dropped with increasing shear rate or GN content. Crystallization kinetic analysis suggested that GN served as an effective nucleating agent for PLA under non-isothermal melt crystallization conditions with variant cooling rate.

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Abstract
Introduction
Experimental
Results and Discussion
Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2019-578-001282279