用于人造板生产的生物基粘合剂和无甲醛技术的最新进展

IF 9 1区 农林科学 Q1 FORESTRY
Ingrid Calvez, Rosilei Garcia, Ahmed Koubaa, Véronic Landry, Alain Cloutier
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引用次数: 0

摘要

审查目的用于人造复合板的传统甲醛基粘合剂因其甲醛释放量而备受关注。在过去的十年中,木材粘合剂行业经历了一场巨大的变革,其特点是大力推动生物粘合剂的发展。人们探索了各种生物基材料,以创造传统甲醛基粘合剂的替代品。此外,人们对循环性的兴趣与日俱增,因此越来越多地利用工业副产品和副产品来寻找创新解决方案。这些副产品为材料生产提供了替代供应来源,同时又不会侵占粮食生产。许多生物基化合物或副产品,如糖类、蛋白质、单宁和木质纤维素生物质,也可用于开发生物基粘合剂。作为减少甲醛排放的持续努力的一部分,正在开发新的固化剂和交联剂来替代甲醛和生物清除剂。本综述重点介绍了从各种工业副产品中提取的生物基材料的来源,这些材料在加入粘合剂后具有许多优点和缺点。还讨论了在人造板中增强其特性和性能的改性方法。此外,还讨论了开发低排放或无甲醛粘合剂的替代品,包括固化剂、生物清除剂和无粘合剂选项。最后,详细介绍了生物基粘合剂与合成替代品相比对环境的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Recent Advances in Bio-Based Adhesives and Formaldehyde-Free Technologies for Wood-Based Panel Manufacturing

Recent Advances in Bio-Based Adhesives and Formaldehyde-Free Technologies for Wood-Based Panel Manufacturing

Purpose of Review

Conventional formaldehyde-based adhesives for wood-based composite panels are subject to significant concerns due to their formaldehyde emissions. Over the past decade, the wood adhesive industry has undergone a considerable transformation that is characterized by a major push in bio-adhesive development. Various bio-based materials have been explored to create alternatives to conventional formaldehyde-based adhesives. Moreover, growing interest in circularity has led to increasingly exploiting industrial coproducts and by-products to find innovative solutions.

Recent Findings

Industrial production generates many coproducts that can serve as renewable resources to produce eco-friendly materials. These coproducts offer alternative supply sources for material production without encroaching on food production. Many bio-based compounds or coproducts, such as saccharides, proteins, tannins, and lignocellulosic biomass, can also be used to develop bio-based adhesives. As part of ongoing efforts to reduce formaldehyde emissions, new hardeners and crosslinkers are being developed to replace formaldehyde and bio-scavengers. Other alternatives, such as binderless panels, are also emerging.

Summary

This review focuses on sources of bio-based material derived from by-products of various industries, which have many advantages and disadvantages when incorporated into adhesives. Modification methods to enhance their properties and performance in wood-based panels are also discussed. Additionally, alternatives for developing low-emission or formaldehyde-free adhesives are addressed, including hardeners, bio-scavengers, and binderless options. Finally, the environmental impact of bio-based adhesives compared to that of synthetic alternatives is detailed.

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来源期刊
Current Forestry Reports
Current Forestry Reports Agricultural and Biological Sciences-Ecology, Evolution, Behavior and Systematics
CiteScore
15.90
自引率
2.10%
发文量
22
期刊介绍: Current Forestry Reports features in-depth review articles written by global experts on significant advancements in forestry. Its goal is to provide clear, insightful, and balanced contributions that highlight and summarize important topics for forestry researchers and managers. To achieve this, the journal appoints international authorities as Section Editors in various key subject areas like physiological processes, tree genetics, forest management, remote sensing, and wood structure and function. These Section Editors select topics for which leading experts contribute comprehensive review articles that focus on new developments and recently published papers of great importance. Moreover, an international Editorial Board evaluates the yearly table of contents, suggests articles of special interest to their specific country or region, and ensures that the topics are up-to-date and include emerging research.
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