According to the method described by Sun et al. (18 (link)) with minor modifications to determine the rheological properties (Viscotester iQ, Thermo Fisher Scientific Shier, Guangzhou, China) of the samples. Tests were performed in gradient warming oscillation mode using 50 mm plates. The samples were uniformly coated on the test platform. Before the test, the sample edges were sealed with silicone oil to keep closed. Then, the temperature was increased from 20 to 80°C at a rate of 1°C/min with a frequency of 0.1 Hz and a plate spacing of 0.6 mm.
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