Influence of Isocyanate Structures on Mechanical Performance of Aluminum Bonded with Green Polyurethane Adhesive

Norazwani Muhammad Zain; Sahrim Haji Ahmad; Nor Azwin Ahad; Suzana Ali Ernie

doi:10.4028/www.scientific.net/AMR.879.119

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 879Influence of Isocyanate Structures on Mechanical...

Influence of Isocyanate Structures on Mechanical Performance of Aluminum Bonded with Green Polyurethane Adhesive

Abstract:

Polyurethane (PU) adhesives were prepared from three different polyols based on polycaprolactone (PCL)/palm kernel oil (PKO) with an aromatic and cycloaliphatic diisocyanate. The adhesives were characterized through Fourier Transformer Infrared (FTIR) spectroscopy in order to ensure the formation of urethane and the completeness of polymer reaction. The effects of NCO/OH ratios and types of diisocyanate on PU adhesive strength were investigated. The adhesive strength of metal to metal bonding was determined by single lap shear joint testing. The correlation between crosslinking of PU network and adhesive strength was also studied by performing swelling tests.

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Periodical:

Advanced Materials Research (Volume 879)

Pages:

119-127

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.879.119

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Online since:

January 2014

Authors:

Norazwani Muhammad Zain, Sahrim Haji Ahmad, Nor Azwin Ahad, Suzana Ali Ernie

Keywords:

Crosslink Density, FTIR Spectra, Lap Shear Strength, PU Adhesive

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