Understanding the role of clay silicate nanoparticles with organic modifiers in thermal curing of cyanate ester resin |
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| Authors: | Denis A Kissounko Joseph M Deitzel John W Gillespie |
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| Institution: | a 201 Composites Manufacturing Science Laboratory, University of Delaware, Center for Composite Materials, Newark, DE 19716-3144, USA
b Triton Systems, Inc., 200 Turnpike Road, Chelmsford, MA 01824, USA |
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| Abstract: | The catalytic effect of montmorillonite clay nanoparticles containing organic modifiers such as quaternary phosphonium salts on cure mechanism of cyanate ester resin (RS-9D) was studied by differential scanning calorimetry (DSC) measurements, FT-IR and NMR spectroscopy as well as mass-spectrometry. The results show that the net catalytic effect arises from the presence of moisture associated with nanoclay particles where organic modifiers act as moisture transport agents. Possible mechanisms for cure pathways are discussed. |
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| Keywords: | Cyanate ester Organoclay Organic modifiers Cure mechanism |
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