Temperature-related tensile modulus of polymer-based adhesive films

被引：8

作者：

Kumpenza, Cedou ^{[1
]}

Pramreiter, Maximilian ^{[1
]}

Nenning, Tobias Josef ^{[1
]}

Bliem, Peter ^{[2
]}

Reiterer, Rainer ^{[3
]}

Konnerth, Johannes ^{[1
]}

Mueller, Ulrich ^{[1
]}

机构：

[1] Univ Nat Resources & Life Sci, Inst Wood Technol & Renewable Mat, Dept Mat Sci & Proc Engn, Vienna, Austria

[2] Kompetenzzentrum Holz GmbH, Wood K Plus Competence Ctr Wood Composites & Wood, Linz, Austria

[3] Collano AG, Sempach, Switzerland

来源：

JOURNAL OF ADHESION | 2023年 / 99卷 / 02期

关键词：

Adhesion; Elastic Modulus; Polymer adhesive; Temperature dependency; Wood hybrid components; STRAIN-RATE DEPENDENCE; MECHANICAL-PROPERTIES; ELASTIC PROPERTIES; WOOD; PERFORMANCE; MOISTURE;

D O I：

10.1080/00218464.2021.2011239

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Most engineered wood components and their performance are dependent on the use of adhesives. To be able to conduct simulations, a general understanding about their mechanical behaviour under different load cases and environmental conditions is needed. Especially the temperature-dependent elasticity is of great importance for future applications as automotive components. Therefore, the tensile modulus of four common polymer-based wood adhesives (i.e., one-component polyurethane, two-component polyurethane, epoxy-silan and phenol-resorcinol-formaldehyde) at varying temperatures of -30 degrees C, +20 degrees C and +80 degrees C were investigated. The aim of this study was to give fundamental insight into the elasto-mechanical behaviour of common wood adhesives. The experimental investigation showed a significant influence of the temperature on the tensile modulus. The highest tensile moduli were observed for all tested adhesives at -30 degrees C with a significant decrease with increasing temperature. Results of previous investigations confirmed this high-temperature dependency of the polymers.

引用

页码：259 / 276

页数：18

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