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由麻和塑料外皮以及复合木材、回收塑料和聚苯乙烯泡沫塑料芯组成的聚合物复合夹芯板。

Polymer Composite Sandwich Panels Composed of Hemp and Plastic Skins and Composite Wood, Recycled Plastic, and Styrofoam Cores.

作者信息

Islam Ashiqul, Ferdous Wahid, Burey Paulomi Polly, Nahar Kamrun, Yan Libo, Manalo Allan

机构信息

School of Engineering, Centre for Future Materials (CFM), University of Southern Queensland, Toowoomba, QLD 4350, Australia.

School of Agriculture and Environmental Science, Centre for Future Materials (CFM), University of Southern Queensland, Toowoomba, QLD 4350, Australia.

出版信息

Polymers (Basel). 2025 May 15;17(10):1359. doi: 10.3390/polym17101359.

DOI:10.3390/polym17101359
PMID:40430655
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12114676/
Abstract

This paper presents an experimental investigation of six different types of composite sandwich panels manufactured from waste-based materials, which are comprised of two different types of skins (made from hemp and recycled PET (Polyethylene terephthalate) fabrics with bio-epoxy resin) and three different cores (composite wood, recycled plastic, and styrofoam) materials. The skins of these sandwich panels were investigated under five different environmental conditions (normal air, water, hygrothermal, saline solution, and 80 °C elevated temperature) over seven months to evaluate their durability performance. In addition, the tensile and dynamic mechanical properties of those sandwich panels were studied. The bending behavior of cores and sandwich panels was also investigated and compared. The results indicated that elevated temperatures are 30% more detrimental to fiber composite laminates than normal water. Composite laminates made of hemp are more sensitive to environmental conditions than composite laminates made of recycled PET. A higher-density core makes panels more rigid and less susceptible to indentation failure. The flexible plastic cores are found to be up to 25% more effective at increasing the strength of sandwich panels than brittle wood cores.

摘要

本文介绍了对六种由废弃材料制成的不同类型复合夹芯板的实验研究，这些夹芯板由两种不同类型的面板（由大麻和回收聚对苯二甲酸乙二酯（PET）织物与生物环氧树脂制成）和三种不同的芯材（复合木材、回收塑料和聚苯乙烯泡沫塑料）组成。在七个月的时间里，在五种不同的环境条件（正常空气、水、湿热、盐溶液和80°C高温）下对这些夹芯板的面板进行了研究，以评估其耐久性性能。此外，还研究了这些夹芯板的拉伸和动态力学性能。还对芯材和夹芯板的弯曲行为进行了研究和比较。结果表明，高温对纤维复合层压板的损害比普通水大30%。由大麻制成的复合层压板比由回收PET制成的复合层压板对环境条件更敏感。密度较高的芯材使面板更坚固，更不易发生压痕破坏。发现柔性塑料芯材在提高夹芯板强度方面比脆性木材芯材有效高达25%。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/f574f453bad9/polymers-17-01359-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/3060442ac7ce/polymers-17-01359-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/0b1b9d6a05dd/polymers-17-01359-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/6fd5a0f758e2/polymers-17-01359-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/e18c0a096bd2/polymers-17-01359-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/b61c19c12096/polymers-17-01359-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/c8d9a26a1abb/polymers-17-01359-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/3d79872bd868/polymers-17-01359-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/ae2df1d76477/polymers-17-01359-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/4c7888354c02/polymers-17-01359-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/ece0ac19118f/polymers-17-01359-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/f574f453bad9/polymers-17-01359-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/3060442ac7ce/polymers-17-01359-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/0b1b9d6a05dd/polymers-17-01359-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/6fd5a0f758e2/polymers-17-01359-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/e18c0a096bd2/polymers-17-01359-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/b61c19c12096/polymers-17-01359-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/c8d9a26a1abb/polymers-17-01359-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/3d79872bd868/polymers-17-01359-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/ae2df1d76477/polymers-17-01359-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/4c7888354c02/polymers-17-01359-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/ece0ac19118f/polymers-17-01359-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec58/12114676/f574f453bad9/polymers-17-01359-g011.jpg

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本文引用的文献

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Development of a Modular Sandwich Panel with a Composite Core of Recycled Material for Application in Sustainable Building.用于可持续建筑的具有回收材料复合芯的模块化夹芯板的开发。
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Modeling the Dynamic Properties of Multi-Layer Glass Fabric Sandwich Panels.多层玻璃纤维织物夹芯板动态特性建模
Polymers (Basel). 2024 Oct 31;16(21):3074. doi: 10.3390/polym16213074.
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Sandwich Structures for Energy Absorption Applications: A Review.用于能量吸收应用的夹层结构：综述
Materials (Basel). 2021 Aug 22;14(16):4731. doi: 10.3390/ma14164731.