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玻璃纤维/聚碳酸酯复合材料的结晶行为、微孔结构及热性能研究

The Study of Crystallization Behavior, Microcellular Structure and Thermal Properties of Glass-Fiber/Polycarbonate Composites.

作者信息

Wang Xinchao, Sun Yapeng, Hu Jiale, Wu Lan, Geng Tie, Guo Yonggang, Zhao Chenhao, Dong Binbin, Liu Chuntai

机构信息

School of Mechanical & Electrical Engineering, Henan Provincial Engineering Research Centre of Automotive Composite Materials, Henan University of Technology, Zhengzhou 450001, China.

National Engineering Research Center for Advanced Polymer Processing Technologies, Zhengzhou University, Zhengzhou 450002, China.

出版信息

Polymers (Basel). 2023 Mar 21;15(6):1546. doi: 10.3390/polym15061546.

DOI:10.3390/polym15061546
PMID:36987326
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10057943/
Abstract

Polycarbonate (PC) foam is a versatile material with excellent properties, but its low thermal stability limits its application in high-temperature environments. The aim of this study was to improve the thermal stability of PC foam by adding glass fibers (GF) and to investigate the effect of GF on PC crystallization behavior and PC foam cell morphology. This study was motivated by the need to improve the performance of PC foams in various industries, such as construction, automotive, and medical. To achieve this goal, PC/GF composites were prepared by extrusion, and PC/GF composite foams were produced using a batch foaming process with supercritical carbon dioxide (SC-CO) as the blowing agent. The results showed that the addition of GF accelerated the SC-CO-induced crystallization stability of PC and significantly increased the cell density to 4.6 cells/cm. In addition, the thermal stability of PC/GF foam was improved, with a significant increase in the residual carbon rate at 700 °C and a lower weight loss rate than PC matrix. Overall, this study highlights the potential of GF as a PC foam reinforcement and its effect on thermal and structural properties, providing guidance for industrial production and applications.

摘要

聚碳酸酯（PC）泡沫是一种具有优异性能的多功能材料，但其低热稳定性限制了其在高温环境中的应用。本研究的目的是通过添加玻璃纤维（GF）来提高PC泡沫的热稳定性，并研究GF对PC结晶行为和PC泡沫泡孔形态的影响。本研究的动机是需要提高PC泡沫在建筑、汽车和医疗等各个行业的性能。为实现这一目标，通过挤出制备了PC/GF复合材料，并使用超临界二氧化碳（SC-CO₂）作为发泡剂，采用间歇发泡工艺制备了PC/GF复合泡沫。结果表明，GF的添加加速了SC-CO₂诱导的PC结晶稳定性，并显著提高了泡孔密度至4.6个泡孔/cm。此外，PC/GF泡沫的热稳定性得到改善，700℃时的残碳率显著增加，失重率低于PC基体。总体而言，本研究突出了GF作为PC泡沫增强材料的潜力及其对热性能和结构性能的影响，为工业生产和应用提供了指导。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/dde30fe977d4/polymers-15-01546-g015.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/e9b6ed1db8fb/polymers-15-01546-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/182ebdff632c/polymers-15-01546-g005.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/a7005095bca3/polymers-15-01546-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/ed552dabf052/polymers-15-01546-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/1a8ec0b05a52/polymers-15-01546-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/34e4beb5993b/polymers-15-01546-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/1f079110cabb/polymers-15-01546-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/71573277695d/polymers-15-01546-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/eb815e6e898e/polymers-15-01546-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/e8c7ee40f859/polymers-15-01546-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/dde30fe977d4/polymers-15-01546-g015.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/e9b6ed1db8fb/polymers-15-01546-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/c031ea6efbad/polymers-15-01546-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/0b2dc43bcd35/polymers-15-01546-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/e8924a779c18/polymers-15-01546-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/182ebdff632c/polymers-15-01546-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/914392805a1e/polymers-15-01546-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/a7005095bca3/polymers-15-01546-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/ed552dabf052/polymers-15-01546-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/1a8ec0b05a52/polymers-15-01546-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/34e4beb5993b/polymers-15-01546-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/1f079110cabb/polymers-15-01546-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/71573277695d/polymers-15-01546-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/eb815e6e898e/polymers-15-01546-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/e8c7ee40f859/polymers-15-01546-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9794/10057943/dde30fe977d4/polymers-15-01546-g015.jpg

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Int J Biol Macromol. 2019 Oct 1;138:144-155. doi: 10.1016/j.ijbiomac.2019.07.071. Epub 2019 Jul 12.