Journal
JOURNAL OF ADHESION
Volume 79, Issue 8-9, Pages 867-873Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00218460309551
Keywords
epoxy adhesive; mechanical properties; nanoparticles; rubber toughened; toughness
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It has been clearly demonstrated that the addition of low concentrations of nanosilica particles to a typical rubber-toughened adhesive, based upon a two-part epoxy formulation, leads to very significant increases in the toughness of the adhesive and also to increases in the glass transition temperature and the single-lap shear strength. The nano-SiO2 particles have an average particle diameter of 20 nm and are very well dispersed in the epoxy adhesive, and only a concentration of about 1% to 8% by mass of such nanoparticles are needed to achieve significant improvements in the mechanical and thermal performance of the rubber-toughened two-part epoxy adhesive.
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