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← ScienceWhich consequence results when excessive vibrational energy accumulates in polyethylene chains?
A)Weakening of van der Waals forces
B)Depolymerization via chain scission✓
C)Crystallinity increases in the material
D)Increased glass transition temperature
💡 Explanation
Polyethylene chain scission occurs via bond breakage leading to depolymerization occurs, because sufficient vibrational energy overcomes the covalent bond energy. Therefore chains break, rather than remaining intact, because the energy input exceeds the bond's capacity to absorb via phonon dissipation.
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