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← ScienceWhich outcome reduces the structural integrity of epoxy adhesives used in bridge construction when exposed to deicing salts?
A)Hydrolytic degradation✓
B)Increased hydrogen bonding
C)Epoxy polymerization
D)Reversible plasticization
💡 Explanation
Hydrolytic degradation breaks ester bonds in the epoxy polymer backbone because water molecules react at the ester linkages, therefore weakening the adhesive strength rather than strengthening via increased hydrogen bonding, which requires stronger interaction.
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