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Title: Effective nondestructive evaluations on UHMWPE/Recycled-PA6 blends using FTIR imaging and dynamic mechanical analysis
Authors: Cheng, JY
Yang, XY
Dong, LB
Yuan, ZH
Wang, WB
Wu, SL
Chen, SM
Zheng, GP 
Zhang, WJ
Zhang, DQ
Wang, H
Keywords: Nondestructive evaluations
FTIR imaging
UHMWPE/Recycled-PA6 blends
DMA analysis
Issue Date: 2017
Publisher: Elsevier
Source: Polymer testing, 2017, v. 59, p. 371-376 How to cite?
Journal: Polymer testing 
Abstract: The noninvasive and nondestructive Fourier transform infrared (FTIR) imaging and dynamic mechanical analysis (DMA) are developed in this work to evaluate the microstructure-related properties of UHMWPE/Recycled-PA6 blends. FFIR imaging which is of in-situ and visualizing capabilities is shown to be extremely valuable in determining the phase structure of a multiphase system. It is found that small quantities of the HDPE-g-MAH compatibilizer could significantly improve the miscibility of the two immiscible polymers. It is further proved that in the UHMWPE/R-PA6 blends the R-PA6 phase distributes continuously, while the UHMWPE phase disperses in a discontinuous manner. Moreover, the blends with 44 wt% R-PA6 is found to exhibit an optimal miscibility behavior. This work demonstrates that FFIR imaging is a direct method in visualizing the miscibility of polymer blends. The combined FTIR imaging and DMA testing offers a new approach for qualitative and quantitative investigations on polymer blends with complex microstructures.
ISSN: 0142-9418
DOI: 10.1016/j.polymertesting.2017.02.021
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