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← ScienceWhich undesired consequence can propagate in epoxy resins after UV exposure?
A)Chain scission causes depolymerization✓
B)Hydrolysis enables polymer swelling
C)Cross-linking leads matrix embrittlement
D)Crystallization creates brittle regions
💡 Explanation
Chain scission depolymerization happens because UV breaks covalent bonds, reducing molecular weight; therefore reduced strength occurs, rather than embrittlement or other molecular changes as chain scission is dominant.
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