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← ScienceWhich consequence results when thermal energy exceeds polymers’ bond energy?
A)Chain scission accelerates degradation rates✓
B)Crystallinity increases improving material strength
C)Intermolecular forces become more prominent
D)The glass transition temperature increases
💡 Explanation
Chain scission undergoes bond breakage due to excessive thermal energy disrupting polymeric chains, therefore, leading to accelerated degradation, because heat breaks chemical bonds. This break occurs rather than increased crystallinity as high temperatures promote disorder.
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