| Issue |
E3S Web Conf.
Volume 413, 2023
XVI International Scientific and Practical Conference “State and Prospects for the Development of Agribusiness - INTERAGROMASH 2023”
|
|
|---|---|---|
| Article Number | 02027 | |
| Number of page(s) | 10 | |
| Section | Agricultural Engineering and Mechanization | |
| DOI | https://doi.org/10.1051/e3sconf/202341302027 | |
| Published online | 11 August 2023 | |
Alkali resistant epoxy binders for pultrusion
Bauman Moscow Technical University, 105005, ul. Baumanskaya 2-ya, 5/1, Moscow, Russia
* Corresponding author: storozhuk-ip@inbox.ru
Alkali-resistant hot-curing epoxy binders based on ED-20 and new amine hardeners “Amikrost” have been developed, intended for the production of glass-composite fittings for construction purposes. The rheological properties of epoxy compositions were determined, using differential scanning calorimetry and thermogravimetric analysis, the temperature dynamics of the curing process of epoxy compositions and the thermal-oxidative resistance of cured samples were studied. The alkali resistance of cured epoxy compositions and specimens of composite reinforcement in 40% alkali aqueous solution was evaluated. It is shown that the developed amine hardeners provide high alkali resistance of composite reinforcement in comparison with the currently used anhydride hardener iso-MTHPA, which is especially important for reinforcing buried and hydraulic concrete.
© The Authors, published by EDP Sciences, 2023
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