In my workshop, addition polymers are chains like beads on a string—polytheme from ethylene gas—while condensation polymers, like making nylon 6,6, link with the loss of a small molecule, like water. Bakelite is a tough, cross-linked condensation polymer, perfect for electrical switches we mould. But I'll tell you, the real difference isn't in the books; it's in the smell of the factory floor during each process, and in the patience needed for condensation's careful steps. Have you ever touched a fresh moulded sheet, still warm from the press?
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