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← ScienceWhich consequence results when epoxy adhesive cures quickly?
A)Exothermic heat release accelerates degradation✓
B)Reduced surface tension aids wetting
C)Increased crosslinking enhances flexibility
D)Hydroxyl groups impede secondary bonding
💡 Explanation
Excessive curing generates localized heating via the polymerization mechanism, and the Arrhenius equation dictates that higher temperatures accelerate reaction rates and increase the degradation; therefore option A, rather than B, C and D promoting better bonding.
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