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← ScienceWhich outcome occurs when excessive vibrational motion disrupts molecular bonds in polymers?
A)Material tensile strength decreases rapidly✓
B)Higher glass transition occurs
C)Increased crystallization rate happens
D)Improved thermal conductivity results
💡 Explanation
The disruption of molecular bonds by vibrational motion causes polymer chains to disentangle. Chain scission occurs, because this bond dissociation reduces chain length. Therefore tensile strength decreases, rather than enhanced vitrification, because chain mobility is augmented under applied stress.
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