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Nanomaterials 2019, 9(2), 206; https://doi.org/10.3390/nano9020206

Investigation on the Crystallization Behaviors of Polyoxymethylene with a Small Amount of Ionic Liquid

1,2,3
,
4
,
4,* , 1,2
and
4
1
Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
2
University of Chinese Academy of Sciences, Beijing 100049, China
3
Coal Chemical Industry Technology Research Institute, Shenhua Ningxia Coal Group Co. Ltd., Yinchuan 750411, China
4
College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, No. 2318 Yuhangtang Rd., Hangzhou 311121, China
*
Author to whom correspondence should be addressed.
Received: 20 December 2018 / Revised: 24 January 2019 / Accepted: 4 February 2019 / Published: 5 February 2019
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Abstract

Polyoxymethylene (POM) blends with excellent stiffness–toughness balance are successfully developed using Tributyl(octyl)phosphonium bis(trifloromethanesulfonyl) imide (TBOP-TFSI), one type of room-temperature ionic liquid, as the nucleating agent. Crystallization behaviors of POM blends have been studied by differential scanning calorimetry (DSC) and polarized light microscopy (PLM). The incorporation of TBOP-TFSI induces the crystal nucleation and fine crystal grain of POM, and also a much shorter hemi-crystalline time with only 0.5 wt% addition. The nucleation effect of ionic liquid leads to considerable improvement in the impact strength of POM blends while not sacrificing its tensile strength. Moreover, antistatic properties with a long-time stable performance are achieved by TBOP-TFSI addition as the electrical resistance reaches 1011 Ω/sq. View Full-Text
Keywords: polyoxymethylene; ionic liquid; crystallization behavior; nucleation polyoxymethylene; ionic liquid; crystallization behavior; nucleation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Jiao, Q.; Chen, Q.; Wang, L.; Chen, H.; Li, Y. Investigation on the Crystallization Behaviors of Polyoxymethylene with a Small Amount of Ionic Liquid. Nanomaterials 2019, 9, 206.

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