Delrin (polyoxymethylene) is a tough self-lubricating
Chapter 27, Problem 45(choose chapter or problem)
Delrin (polyoxymethylene) is a tough self-lubricating polymer used in gear wheels. It is made by polymerizing formaldehyde in the presence of an acid catalyst. a. Propose a mechanism for formation of a segment of the polymer. b. Is Delrin a chain-growth polymer or a step-growth polymer?
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