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← ScienceWhich consequence results when titanium dioxide photocatalysis degrades polymers in adhesives?
A)Adhesion strength reduces prematurely✓
B)Corrosion resistance dramatically improves
C)Thermal conductivity decreases linearly
D)Elastic modulus consistently increases
💡 Explanation
Debonding occurs because photocatalysis breaks the covalent bonds within the polymer adhesive, leading to polymer chain scission; the Van der Waals forces are insufficiently strong, therefore premature structural failure results rather than long-term durability which relies on cohesive strength.
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