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Development of sustainable bio-adhesives for engineered wood panels – A Review

机译：开发用于人造木板的可持续生物粘合剂–评论

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摘要

Changes in both formaldehyde legislations and voluntary requirements (e.g. Germany RAL) are currently the driving factors behind research on alternatives to amino-based adhesives; moreover, consumer interest in healthy and sustainable products is increasing in bio-based adhesives. Sources of formaldehyde emissions in wood-based panels as well as different emission test methods have been discussed, and the main focus of this review is on the research conducted on sustainable bio-based adhesive systems for wood panels. Lignin, tannin, protein, and starch have been evaluated as both raw materials and adhesive alternatives to existing amino-based thermosetting adhesives. Adhesion improving modifications of these bio-based raw materials as well as the available and experimental crosslinkers have also been taken into account.
机译：甲醛法规和自愿要求（例如德国RAL）的变化是目前研究氨基粘合剂替代品背后的驱动因素。此外，消费者对健康和可持续产品的兴趣在生物基粘合剂中正在增加。讨论了人造板中甲醛排放的来源以及不同的排放测试方法，而本综述的主要重点是针对人造板的可持续生物基胶粘剂系统进行的研究。木质素，单宁，蛋白质和淀粉已被评估为现有氨基基热固性粘合剂的原料和替代粘合剂。还考虑了这些生物基原料以及现有和实验性交联剂的粘合力改善改性。

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