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← ScienceWhich consequence results when thermal decomposition alters epoxy bonds?
A)Decreased structural rigidity occurs.✓
B)Increased glass transition temperature occurs.
C)Enhanced chemical resistance arises.
D)Improved electrical conductivity appears.
💡 Explanation
Decomposition breaks cross-linking via chain scission. Chain scission reduces molecular weight because epoxy bonds break leading to decreased rigidity, therefore structural integrity suffers rather than improved electrical properties, chemical resistance, or transition temperature changes.
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