菌丝体-杨木颗粒多孔复合材料的制备及保温阻燃性能研究

doi:10.19677/j.issn.1004-7964.2024.02.009

皮革科学与工程 ›› 2024, Vol. 34 ›› Issue (2): 61-66.doi: 10.19677/j.issn.1004-7964.2024.02.009

菌丝体-杨木颗粒多孔复合材料的制备及保温阻燃性能研究

张伟华¹, 郝旸¹, 石碧^1,2,*

1.四川大学轻工科学与工程学院,四川成都 610065;
2.四川大学皮革化学与工程教育部重点实验室,四川成都 610065

收稿日期:2023-11-18 修回日期:2023-12-30 接受日期:2024-01-03 出版日期:2024-04-01 上线日期:2024-03-07
通讯作者: *石碧（1958-）,男,博士,教授,主要从事制革化学、制革清洁技术、生物质材料研究。E-mail:sibitannin@vip.163.com。
作者简介:张伟华（1992-）男,博士,特聘副研究员,主要从事农林生物质材料高值化利用。E-mail: zhweihua@scu.edu.cn。
基金资助:
国家自然科学基金项目（29576252）

Preparation of Mycelium-poplar Particle Porous Composites with Thermal Insulation and Fire-retardant Performance

ZHANG Weihua¹, HAO Yang¹, SHI Bi^1,2,*

1. College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China;
2. Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, China

Received:2023-11-18 Revised:2023-12-30 Accepted:2024-01-03 Published:2024-04-01 Online:2024-03-07

摘要/Abstract

摘要： 石油基高分子多孔材料的大量使用导致了严重的塑料污染（“白色污染”）。在这项工作中,采用了一种绿色可持续的合成策略,通过在杨木颗粒上接种培养真菌菌丝体,使其生长贯穿整个颗粒,最终制备出了一种菌丝体-杨木颗粒多孔复合材料。结果表明,多孔复合材料具有较低的密度（0.165 g·cm^-3）、较高的孔隙率（82.7%）和疏水性（接触角：131.8°）,并展示出优异的力学性能（压缩强度2.39 MPa;杨氏模量9.79 MPa）。另外,多孔复合材料还具有较低的导热系数（0.066 W/mK）和优异的阻燃性能（氧指数为28.4%）。这项研究工作展示了一种简捷和清洁环保的菌丝体-杨木颗粒多孔复合材料制备方法,对农林生物质高值化利用具有重要的参考价值。

关键词: 菌丝体, 杨木颗粒, 复合材料, 保温, 阻燃

Abstract: The extensive use of petroleum-based high-molecular-polymer porous materials has led to severe plastic pollution, commonly known as "white pollution". In this study, we developed a green and sustainable mycelium-poplar particle porous composite material by inoculating and cultivating fungal mycelium on poplar particles. After the mycelium grew through the poplar particles, the porous composite material was prepared by air-drying directly. The results indicated that the porous composite material had a low density (0.165 g·cm^-3), high porosity (82.7%), and hydrophobic surface (contact angle: 131.8°). The composite material exhibited excellent mechanical properties (compression strength of 2.39 MPa; Young's modulus of 9.79 MPa). Additionally, the porous composite material had a low thermal conductivity (0.066 W/mK) and an outstanding limited oxygen index (28.4%). This research demonstrates a simple and eco-friendly method for the preparation of mycelium-poplar particle porous composite materials, which holds significant reference value for the high-value utilization of agricultural and forestry biomass.

Key words: mycelium, poplar particle, composite, thermal insulation, fire resistance

中图分类号:

TQ35

张伟华, 郝旸, 石碧. 菌丝体-杨木颗粒多孔复合材料的制备及保温阻燃性能研究[J]. 皮革科学与工程, 2024, 34(2): 61-66.

ZHANG Weihua, HAO Yang, SHI Bi. Preparation of Mycelium-poplar Particle Porous Composites with Thermal Insulation and Fire-retardant Performance[J]. Leather Science and Engineering, 2024, 34(2): 61-66.

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菌丝体-杨木颗粒多孔复合材料的制备及保温阻燃性能研究

Preparation of Mycelium-poplar Particle Porous Composites with Thermal Insulation and Fire-retardant Performance

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