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← ScienceWhich consequence results when excessive strain breaks polymer chains?
A)Reduced glass transition temperatures occur✓
B)Increased crystallization rates increase
C)Enhanced tensile strength prevails
D)Higher molecular weight monomers form
💡 Explanation
Breaking polymer chains lowers the average chain length, which undergoes a change in vibrational modes through **chain scission**. This decreases energy needed for the polymer to transition to a glassy state, therefore the transition decreases rather than increases under different stress conditions.
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