一种基托桑基粘合剂,具有高阻燃性和优越的粘合强度,由接口工程制造
Tongda Liu1, Yating Shao1, Xu Zhang1
1Yunnan Province Key Lab of Wood Adhesives and Glued Products, International Joint Research Center for Biomass Materials, School of Materials and Chemical Engineering, Southwest Forestry University, Kunming 650224, China.
International journal of biological macromolecules
|February 16, 2025
概括
研究人员为木材行业开发了一种高强度,耐水性酸盐基粘合剂. 这种可持续的粘合剂提供了增强的粘合和阻燃性,解决了行业的关键挑战.
科学领域:
- 材料科学 材料科学 材料科学
- 木材科学 木材科学 木材科学
- 聚合物化学 聚合物化学
背景情况:
- 木材行业需要可持续的,高性能的粘合剂,这些粘合剂是生物基的,没有化物,强度高,耐水.
- 目前的粘合剂通常在性能和环境影响方面面临限制,需要创新的解决方案.
研究的目的:
- 为木材应用开发一种高强度,耐水和潜在的阻燃色素基粘合剂.
- 通过界面相互作用和材料组成来研究增强粘合强度背后的机制.
主要方法:
- 通过混合聚烯酸 (PAA) 和酸 (CS) 与离子 (Ca2+) 来制备基索基粘合剂.
- 评估与开发的粘合剂结合的三层合板的干燥和湿粘合强度.
- 在严格的多循环测试后,对粘合强度保留的评估.
- 加入氨基聚酸盐来评估阻燃性.
主要成果:
- 这种基托桑基粘合剂的干粘强度为3.28 MPa,湿粘强度为2.16 MPa.
- 用这种粘合剂粘合的合板在严格的测试后保持了1.38 MPa的强度,表明了出色的耐用性.
- 粘合剂表现出增强的凝聚力和界面力,这是由于共价交叉连接,纠和与Ca2+形成的有机-无机混合结构.
- 与聚酸盐结合,使合板具有出色的阻燃性.
结论:
- 开发的基托基粘合剂为木材行业提供了一种高性能,可持续的替代品.
- PAA,CS和Ca2+的组合有效地增强了粘合凝聚力和与木材的界面粘合.
- 粘合剂的性能可以进一步扩展,其阻燃能力证明了这一点.
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