Okay, here goes my writerly imagination again.
Today plastic and synthetics are everywhere. What would happen if they were all to suddenly disappear? Insulation on wires would be gone so fires would start, cars would fall apart on the roads, and many people would find themselves naked as their clothing evaporated.
If you're a writer, or would like to be one, think of a story involving that horrific event. What could have caused it? How would people react? And what could be done about the resulting problems?
I'd love to hear your ideas.