Journal
ADVANCES IN POLYMER TECHNOLOGY
Volume 37, Issue 6, Pages 1868-1877Publisher
WILEY
DOI: 10.1002/adv.21845
Keywords
blends; dynamic mechanical properties; epoxy; morphology
Categories
Funding
- Universita di Catania
- Regione Siciliana
- INTEP INnovazione TEcnologica e di Processo per il settore manifatturiero [POR 4.1.2a]
- NanoCult, NanoCULT
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Two different epoxy monomers, based on the diglycidylether of bisphenol A (DGEBA) and triglycidyl-p-aminophenol (TGAP), which are di- and tri-functional, respectively, were mixed in varying proportions and cured with bis(2,6-diethylaniline) (MDEA). Toughened epoxy resins were prepared by adding a coPolyethersulfone (coPES) to the resin mixture. The dynamic mechanical and morphological properties of the cured materials were measured. It was found that the blends based on TGAP presented different viscoelastic and morphological behavior compared to DGEBA-based formulations. Mixing TGAP with DGEBA resulted in increased glass transition temperature and homogeneous phase morphology distribution.
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