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具有高光泽和抗菌性能的微米级铜锌合金颗粒增强木塑复合材料用于3D打印

Micrometer Copper-Zinc Alloy Particles-Reinforced Wood Plastic Composites with High Gloss and Antibacterial Properties for 3D Printing.

作者信息

Yang Feiwen, Zeng Jianhui, Long Haibo, Xiao Jialin, Luo Ying, Gu Jin, Zhou Wuyi, Wei Yen, Dong Xianming

机构信息

Biomass 3D Printing Materials Research Center, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China.

Guangdong Laboratory of Lingnan Modern Agricultural Science and Technology, South China Agricultural University, Guangzhou 510642, China.

出版信息

Polymers (Basel). 2020 Mar 9;12(3):621. doi: 10.3390/polym12030621.

DOI:10.3390/polym12030621
PMID:32182784
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7182845/
Abstract

In this work, micrometer copper-zinc alloy particles-reinforced particleboard wood flour/poly (lactic acid) (mCu-Zn/PWF/PLA) wood plastic composites with high gloss and antibacterial properties for 3D printing were prepared by a melt blending process. The structure and properties of the composites with different contents of mCu-Zn were analyzed by means of mechanical testing, dynamic mechanical analysis, thermogravimetric analysis, differential scanning calorimetry, X-ray diffraction, scanning electron microscopy, and antibacterial testing. The results showed that the mechanical properties, thermal stability, and antibacterial performance of the composites were significantly improved, as mCu-Zn was added into the wood plastic composites. When adding 2 wt.% mCu-Zn, the flexural strength of mCu-Zn/PWF/PLA composites (with 5 wt.% of particleboard wood flour) (PWF) increased by 47.1% compared with pure poly (lactic acid) (PLA), and 18.9% compared with PWF/PLA wood plastic composites. The surface gloss was increased by 1142.6% compared with PWF/PLA wood plastic composites. Furthermore, the inhibition rates of mCu-Zn/PWF/PLA composites against Escherichia coli reached 90.43%. Therefore, this novel high gloss and antibacterial wood plastic composites for fused deposition modeling (FDM) 3D printing have potential applications in personalized and classic furniture, art, toys, etc.

摘要

在本研究中，通过熔融共混工艺制备了具有高光泽度和抗菌性能的微米级铜锌合金颗粒增强刨花板木粉/聚乳酸（mCu-Zn/PWF/PLA）木塑复合材料，用于3D打印。采用力学测试、动态力学分析、热重分析、差示扫描量热法、X射线衍射、扫描电子显微镜和抗菌测试等方法，分析了不同mCu-Zn含量复合材料的结构与性能。结果表明，向木塑复合材料中添加mCu-Zn后，复合材料的力学性能、热稳定性和抗菌性能均得到显著提高。当添加2 wt.%的mCu-Zn时，mCu-Zn/PWF/PLA复合材料（含5 wt.%刨花板木粉）（PWF）的弯曲强度相比纯聚乳酸（PLA）提高了47.1%，相比PWF/PLA木塑复合材料提高了18.9%。表面光泽度相比PWF/PLA木塑复合材料提高了1142.6%。此外，mCu-Zn/PWF/PLA复合材料对大肠杆菌的抑菌率达到90.43%。因此，这种用于熔融沉积成型（FDM）3D打印的新型高光泽度抗菌木塑复合材料在个性化和古典家具、艺术、玩具等领域具有潜在应用价值。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/803e3d99b0a1/polymers-12-00621-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/963019c470e8/polymers-12-00621-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/92712f47aca5/polymers-12-00621-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/1bec3c30ee80/polymers-12-00621-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/edb87bf3e9d6/polymers-12-00621-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/2293d9ed80bc/polymers-12-00621-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/ee6ac92db713/polymers-12-00621-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/92cb6c85d9e6/polymers-12-00621-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/87191ed87ebd/polymers-12-00621-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/7c3c9c3f6333/polymers-12-00621-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/20920feb1a82/polymers-12-00621-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/b54b6d47d278/polymers-12-00621-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/5c1ad13c2a09/polymers-12-00621-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/991534de198c/polymers-12-00621-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/803e3d99b0a1/polymers-12-00621-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/963019c470e8/polymers-12-00621-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/92712f47aca5/polymers-12-00621-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/1bec3c30ee80/polymers-12-00621-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/edb87bf3e9d6/polymers-12-00621-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/2293d9ed80bc/polymers-12-00621-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/ee6ac92db713/polymers-12-00621-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/92cb6c85d9e6/polymers-12-00621-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/87191ed87ebd/polymers-12-00621-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/7c3c9c3f6333/polymers-12-00621-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/20920feb1a82/polymers-12-00621-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/b54b6d47d278/polymers-12-00621-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/5c1ad13c2a09/polymers-12-00621-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/991534de198c/polymers-12-00621-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b21/7182845/803e3d99b0a1/polymers-12-00621-g014.jpg

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