Method for evaluating the bond strength development of pMDI adhesive using ABES

IF 3 2区农林科学 Q1 FORESTRY

Wood Science and Technology Pub Date : 2025-06-09 DOI:10.1007/s00226-025-01670-6

Andrej Fašalek, Johannes Konnerth, Hendrikus W. G. van Herwijnen, Jan Stroobants, Maximilian Pramreiter

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Abstract

The curing speed of adhesives is crucial in the production of wood-based panels. The Automated Bonding Evaluation System (ABES) is a commonly used method for evaluating the bond strength development of adhesives. However, using polymeric diphenyl methane diisocyanate (pMDI) with ABES can be challenging due to the significant moisture dependence required for proper curing. In this study, a simple and reliable method was developed to enable the use of pMDI with the ABES device. While the ASTM D7998–15 standard provided guidance, certain modifications were required to adapt the method to specific conditions. The results highlight several key factors that influence the curing of pMDI, including the addition of water, the need for higher pressure, and the preference for two-sided adhesive application. In addition, MDI emissions were monitored during ABES measurements and showed detectable but very low levels of emissions. This research opens up new possibilities for assessing the curing kinetics of pMDI adhesive.

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用ABES评价pMDI胶粘剂粘结强度发展的方法

胶粘剂的固化速度在人造板生产中至关重要。自动粘结评价系统（ABES）是一种常用的评价胶粘剂粘结强度发展的方法。然而，使用聚合物二苯基甲烷二异氰酸酯（pMDI）与ABES是具有挑战性的，因为适当的固化需要显著的水分依赖性。在本研究中，开发了一种简单可靠的方法，使pMDI与ABES装置一起使用。虽然ASTM D7998-15标准提供了指导，但需要进行某些修改以使该方法适应特定条件。结果强调了影响pMDI固化的几个关键因素，包括水的加入、对更高压力的需求以及对双面粘合剂应用的偏好。此外，在abe测量期间监测了MDI排放，显示可检测到但排放量非常低。本研究为评估pMDI胶粘剂的固化动力学开辟了新的可能性。

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

Wood Science and Technology 工程技术-材料科学：纸与木材

CiteScore

5.90

自引率

5.90%

发文量

审稿时长

3 months

期刊介绍： Wood Science and Technology publishes original scientific research results and review papers covering the entire field of wood material science, wood components and wood based products. Subjects are wood biology and wood quality, wood physics and physical technologies, wood chemistry and chemical technologies. Latest advances in areas such as cell wall and wood formation; structural and chemical composition of wood and wood composites and their property relations; physical, mechanical and chemical characterization and relevant methodological developments, and microbiological degradation of wood and wood based products are reported. Topics related to wood technology include machining, gluing, and finishing, composite technology, wood modification, wood mechanics, creep and rheology, and the conversion of wood into pulp and biorefinery products.