Abstract
The effects of epoxy amine ratio and accelerator concentration on the chemical structure of networks based on the diglycidylether of bisphenol A cured with 4,4′-diaminodiphenylmethane using imidazole as accelerator were investigated. Mid-i.r. spectra of the networks give qualitative information about the chemical structure of the networks. From near-i.r. spectra the content of residual epoxy groups and the concentration of different amine structures in the networks were calculated. For quantitative analysis of the primary amine concentration in the networks a calibration using a model system was necessary. Therefore a mixture of anisole, l-aminophenyl-3-phenoxy-propan-2-ol and aniline was used.
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