18 research outputs found
Rubber-toughened epoxy loaded with carbon nanotubes: structure-property relationships
The paper reports on the preparation, structure and properties of ternary
thermosetting blends, based on DGEBA epoxy, cured with 3,3′-DDS and modified by
the addition of CTBN reactive liquid rubber and/or 0.3wt% of commercial multi-
walled carbon nanotubes. The toughening effect of the phase-separated rubber
particles is enhanced by the presence of the nanotubes, through a change in the
morphology. In the absence of the rubber, the nanotubes alone produce a minimal
effect upon the thermo-mechanical characteristics of the resin. However, the
electrical conductivity of the cured resin samples is found to increase by five
orders of magnitude, up to 3.6Ă—10-3 S/m in the ternary bl