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← ScienceWhich consequence results when excessive mechanical stress ruptures cross-linking?
A)Decreased polymer chain entanglement✓
B)Increased glass transition temperature
C)Enhanced resistance to oxidation
D)Greater piezoelectric polarization
💡 Explanation
When mechanical stress ruptures cross-linking in elastomers, it lowers network connectivity because chain segments become mobile; therefore entanglement decreases, rather than increased temperature shift or stability against reaction, due to bond breakage.
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