Effect of beeswax and coconut oil as natural coating agents on morphological, degradation behaviour, and water barrier properties of mycelium-based composite in modified controlled environment

IF 6.5 2区材料科学 Q1 CHEMISTRY, APPLIED

Progress in Organic Coatings Pub Date : 2024-08-26 DOI:10.1016/j.porgcoat.2024.108763

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引用次数: 0

Abstract

Non-degradable coatings made of petroleum-based plastics hinder the degradation performance of products. This highlights the urgent need to develop biodegradable, bio-based coatings derived from renewable resources to create a more sustainable and greener world with a smaller environmental footprint. This study endeavours to examine the effects of beeswax and coconut oil additions on the morphological, degradation, and water-barrier properties of mycelium-based composite (MBC). Coconut oil is supplemented with varying amounts of beeswax, comprising 0, 20, 40, 60, 80, and 100 wt%. Dip coating is applied to prepare coated-MBC at 65 °C for 2 min. The coated-MBC is characterized by water absorption test, water loss measurement, density measurement, yeast and mould test, shrinkage measurement, weight loss measu rement, soil burial test, Scanning Electron Microscopy (SEM) and macroscopic appearance. Findings revealed that a higher composition of beeswax (80 BW) leads to lower water absorption ability (26.25 %) and no fungal growth for 36 days, in contrast to uncoated-MBC (0 BW), which are used as a reference sample.

查看原文本刊更多论文

蜂蜡和椰子油作为天然涂层剂对改性受控环境中菌丝基复合材料的形态、降解行为和水阻隔性能的影响

由石油基塑料制成的不可降解涂层阻碍了产品的降解性能。这凸显了开发可生物降解的、以可再生资源为原料的生物基涂料的迫切性，以创造一个对环境影响更小、更可持续发展的绿色世界。本研究试图考察蜂蜡和椰子油的添加对菌丝基复合材料（MBC）的形态、降解和阻水性能的影响。椰子油中添加了0、20、40、60、80和100 wt%的蜂蜡。在 65 °C 下浸涂 2 分钟，制备涂覆型 MBC。通过吸水率测试、失水率测量、密度测定、酵母和霉菌测试、收缩率测量、失重测量、土壤埋藏测试、扫描电子显微镜（SEM）和宏观外观对涂覆型多氯联苯进行表征。研究结果表明，蜂蜡成分越高（80 BW），吸水能力越低（26.25%），36 天内无真菌生长，与作为参考样本的无涂层-MBC（0 BW）形成鲜明对比。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Progress in Organic Coatings 工程技术-材料科学：膜

CiteScore

11.40

自引率

15.20%

发文量

577

审稿时长

48 days

期刊介绍： The aim of this international journal is to analyse and publicise the progress and current state of knowledge in the field of organic coatings and related materials. The Editors and the Editorial Board members will solicit both review and research papers from academic and industrial scientists who are actively engaged in research and development or, in the case of review papers, have extensive experience in the subject to be reviewed. Unsolicited manuscripts will be accepted if they meet the journal''s requirements. The journal publishes papers dealing with such subjects as: • Chemical, physical and technological properties of organic coatings and related materials • Problems and methods of preparation, manufacture and application of these materials • Performance, testing and analysis.

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