Rapid crystallization of poly(ethylene 2,6-naphthalate) via aryl amide derivatives

ABSTRACT

A very small amount of aryl amide derivative (TMB-5) was used for nucleating Poly(ethylene 2,6-naphathalate) (PEN) by melt blending. The crystalline temperature, crystallinity, and nucleation efficiency of the composites were increased as a result of the addition of TMB-5. The half-time of crystallization decreased upon the addition of TMB-5 and the work required in folding polymer chains were reduced simultaneously in the polymer mixtures. The crystal size of the PEN/TMB-5 blends became smaller due to the increase of nucleation sites. The TMB-5 had no effect on the PEN crystal type. TMB-5 slightly increased the impact strength of PEN.

ABSTRACT

KEYWORDS:

• Crystallization
• poly(ethylene 2
• 6-naphthalate)
• nucleation

Acknowledgments

We gratefully acknowledge financial support from The East-West Cooperation Project of Ningxia Key R&D Plan (2019BFH02018), Project of Ningxia Key R&D Plan (Grant No. 2018YBZD1727), Beijing Municipal Natural Science Foundation (Grant No. 2192015) and First-class discipline construction (Chemical Engineering and Technology) of Ningxia University (Grant No. NXYLXK2017A04).

Additional information

Funding

This work was supported by the Beijing Municipal Natural Science Foundation [2192015]; Project of Ningxia Key R&D Plan [2018YBZD1727]; East-West Cooperation Project of Ningxia Key R&D Plan [2019BFH02018]; First-class discipline construction (Chemical Engineering and Technology) of Ningxia University [NXYLXK2017A04].

Notes on contributors

Jiajie Yin

Jiajie Yin is doing his master degree in the State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering at Ningxia University under the guidance of Prof. Faliang Luo. His research interests polymer crystallization and mechanical properties.

Faliang Luo

Dr. Faliang Luo is a professor of the State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering at Ningxia University, China. His research interests include polymer crystallization and mechanical properties.

Qian Xing

Dr. Qian Xing is a professor of the School of Materials Science and Mechanical Engineering at Beijing Technology and Business University, China. Her research interests include polymer crystallization and mechanical properties.

Mengke Wang

Mengke Wang is doing her master degree in the State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering at Ningxia University under the guidance of Prof. Faliang Luo. Her research interests include polymer crystallization and mechanical properties.