Journal
MACROMOLECULAR MATERIALS AND ENGINEERING
Volume 301, Issue 6, Pages 682-693Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/mame.201500402
Keywords
amine blush; amine carbonation; aminotelechelic prepolymer; coating; epoxy polymers
Funding
- Juxta Company
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This article deals with the amine blush phenomenon in epoxy coatings. Amine blush is due to amine carbonation and weakens the visual aspect of room temperature epoxy coatings. This paper describes a way to avoid the carbonation by preparing aminotelechelic prepolymers is described. For the first time, the amine-adduct impact over amine carbonation, as well as the amine decarbonation with temperature, has been investigated by infrared spectroscopy. Moreover, a range of epoxy materials displaying various T-g are synthesized from amine-adducts and compared to polyurethane references generally used for transparent coating applications. Mechanical and thermal properties are also investigated.
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