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

Leather Science and Engineering ›› 2024, Vol. 34 ›› Issue (2): 61-66.doi: 10.19677/j.issn.1004-7964.2024.02.009

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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

Abstract

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

CLC Number:

TQ35

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

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