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Solved: Why do vinyl raincoats become brittle as they get
Chapter 27, Problem 41P(choose chapter or problem)
QUESTION:
Problem 41P
Why do vinyl raincoats become brittle as they get old, even if they are not exposed to air or to any pollutants?
Questions & Answers
QUESTION:
Problem 41P
Why do vinyl raincoats become brittle as they get old, even if they are not exposed to air or to any pollutants?
ANSWER:
Solution 41P
Materials made from polyvinyls are usually hard and brittle. This is a result of the individual polymer strands adopting a very regular, well-organized packing diagram in the solid state. The favorable van der Walls interactions between the strands make the material brittle.