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← ScienceWhich consequence results when cross-linking fails in vulcanized rubber?
A)Increased plastic deformation occurs✓
B)Enhanced ultraviolet radiation resistance
C)Higher glass transition temperature
D)Reduced oxidation reaction rate
💡 Explanation
If the disulfide bonds break during the vulcanization process *degradation* arises, promoting increased plastic deformation because there's a reduction in constrained molecule chain movement. Therefore plastic deformation is increased rather than maintaining elasticity because un-crosslinked polymers slip.
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