| Summary: | The objective of this study was to test the bonding performance of nanoscale bondlines, which were fabricated with polyelectrolytes by layer-by-layer assembly process onto wooden substrates. In this study, environmental scanning electron microscopy (ESEM) was used to characterize adsorbed multilayers of polyacrylic acid and polyallylamine hydrochloride on the wood surface. Cross-linking between PAA and PAH layers at various temperatures was studied using Fourier Transform Infrared Spectroscopy (FTIR). The evaluation of polyelectrolyte multilayers as bonding agents for wood was conducted through compression shear block and flexural bending tests. Altogether, this research demonstrates a route to utilize nanoscale coatings as bonding agents.
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