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← ScienceWhich consequence results when thermal stress ruptures polymer's bonds?
A)Increased dielectric breakdown strength
B)Reduced glass transition temperature✓
C)Enhanced free radical polymerization
D)Increased composite tensile modulus
💡 Explanation
A sudden temperature increase can break weaker van der Waals bonds in plastics. Polymer's glass transition decreases because bond breakage increases chain mobility; therefore the material softens rather than undergoing polymerization or increasing dielectric strength under these conditions.
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