Abstract
The curing of a particular epoxy resin (diglycidylether of bisphenol-A) by three amino hardeners (4,4′-diaminodiphenylmethane, 4,4′-diaminodiphenylsulphone and 4,4′-diaminodiphenylether) is followed by dielectric measurements performed under microwave heating. The formation on heating of a molecular association, is suggested by the analysis of the dielectric variations on the basis of an additive contribution of all the known constituents in the mixture. The reversibility of this molecular association is demonstrated. Two possible interpretations are proposed and discussed. Dielectric constant variations during curing provide evidence that microwave heating is a very efficient way of energy transfer and for monitoring chemical processes, such as the cross-linking of epoxy resins.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
