木聚糖生物基热熔胶

IF 27.1 1区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Nature Sustainability Pub Date : 2025-06-04 DOI:10.1038/s41893-025-01579-9

Ziwen Lv, Xueqing Yan, Siyu Jia, Jing Pan, Xiang Hao, Gegu Chen, Baozhong Lü, Jun Rao, Feng Peng

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引用次数: 0

摘要

粘合剂在工业和日常生活中无处不在。然而，传统的化石衍生粘合剂在制造和使用过程中会带来巨大的健康和环境风险。因此，从可再生原料中开发无毒高性能粘合剂是非常需要的，但在技术上仍然具有挑战性。在这里，我们报告了一种高性能热熔胶-胶，应用在热熔状态下，源自纸浆工业的副产品，木聚糖，一种半纤维素。在最佳条件下，木屑间的搭剪强度可达30 MPa左右，超过经典环氧树脂，远超商用热熔胶（醋酸乙烯酯）。此外，木聚糖热熔胶在多种应用中表现出优异的可重复使用性，即使在重复使用10次后，也能保持100%以上的原始粘附强度。毒性试验表明木聚糖热熔胶具有良好的生物相容性。总的来说，这项工作为高性能、可重复使用的生物基粘合剂的设计提供了有用的见解，以增强可持续性。从可持续发展的角度来看，开发无毒高性能的生物基胶粘剂具有重要的意义。本文报道了一种高性能、可重复使用、具有生物相容性的热熔胶，它是由纸浆工业的副产物木聚糖制成的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Bio-based hot-melt adhesive from xylan

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Bio-based hot-melt adhesive from xylan

Adhesives are ubiquitous in industries and daily life. However, conventional fossil-derived adhesives pose substantial health and environmental risks during manufacturing and utilization. The development of nontoxic high-performance adhesives from renewable feedstocks is therefore highly desired but remains technically challenging. Here we report a high-performing hot-melt adhesive—glue that is applied in a hot molten state—derived from a byproduct of the pulp industry, xylan, a type of hemicellulose. Under optimal conditions, the lap-shear strength between wood chips can reach approximately 30 MPa, surpassing that of classic epoxy resins and far exceeding that of a commercial hot-melt adhesive (ethylene vinyl acetate). Furthermore, the xylan hot-melt adhesive exhibits excellent reusability for multiple applications, retaining more than 100% of its original adhesion strength even after ten reuse cycles. Toxicity tests show good biocompatibility for xylan hot-melt adhesive. Overall, this work provides useful insights into the design of high-performance, reusable, bio-based adhesives for enhanced sustainability. Developing nontoxic high-performance bio-based adhesives is of great interest from a sustainability perspective. This paper reports a high-performance, reusable, biocompatible hot-melt adhesive that is produced from xylan, a byproduct of pulp industry.

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来源期刊

Nature Sustainability Energy-Renewable Energy, Sustainability and the Environment

CiteScore

41.90

自引率

1.10%

发文量

159

期刊介绍： Nature Sustainability aims to facilitate cross-disciplinary dialogues and bring together research fields that contribute to understanding how we organize our lives in a finite world and the impacts of our actions. Nature Sustainability will not only publish fundamental research but also significant investigations into policies and solutions for ensuring human well-being now and in the future.Its ultimate goal is to address the greatest challenges of our time.