环氧功能性硅烷对无甲醛丙烯酸酯胶粘剂桉木板交联过程的影响

IF 2.9 4区材料科学 Q2 ENGINEERING, CHEMICAL

Journal of Adhesion Pub Date : 2023-02-26 DOI:10.1080/00218464.2023.2183849

Eduardo Martins Gouveia Romão, Lara Robert Nahra, M. P. Oliveira, L. Guerrini

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引用次数: 0

摘要

摘要在不同的固化温度（120°C和140°C）下，评价了不同用量的环氧官能硅烷（EFS）作为交联剂在水性丙烯酸酯胶粘剂中对桉树木板生产的影响。对含EFS的丙烯酸酯胶粘剂的热稳定性和动态分析（损耗和储能模量）进行了评价。在丙烯酸酯粘合剂中添加EFS增加了热降解、储存和损耗模量。对木板的热降解、弯曲试验、比质量和形态进行了评估。在140°C下，使用EFS和丙烯酸酯粘合剂的木板的储能模量和弯曲强度显著增加。这些结果证明了EFS在木板生产中的潜在应用，旨在制造更厚的复合材料。

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Influence of epoxy functional silane on the crosslinking process of eucalyptus wood panels using formaldehyde-free acrylate adhesives

ABSTRACT The effect of different amounts of epoxy functional silane (EFS) as a crosslinking agent in the water-based acrylate adhesives was evaluated for the production of eucalyptus wood panels at different curing temperatures (120°C and 140°C). The thermal stability and dynamic analyses (loss and storage moduli) of the acrylate adhesives with EFS were evaluated. The addition of EFS in the acrylate adhesive increased the thermal degradation, storage, and loss moduli. The thermal degradation, bending test, specific mass, and morphology were evaluated in the wood panels. Significant increases in the storage modulus and bending strength of the wood panels with EFS and acrylate adhesive at 140°C were found. These results demonstrate a potential application of EFS in the production of wood panels aiming towards the manufacture of thicker composites.

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来源期刊

Journal of Adhesion 工程技术-材料科学：综合

CiteScore

5.30

自引率

9.10%

发文量

审稿时长

1 months

期刊介绍： The Journal of Adhesion is dedicated to perpetuating understanding of the phenomenon of adhesion and its practical applications. The art of adhesion is maturing into a science that requires a broad, coordinated interdisciplinary effort to help illuminate its complex nature and numerous manifestations.