Thiokol is a highly chemical-resistant synthetic rubber used in tank linings. Uniquely among standar — Polymers Chemistry Question
Question
Thiokol is a highly chemical-resistant synthetic rubber used in tank linings. Uniquely among standard commercial rubbers, it is synthesized via a step-growth (condensation) mechanism. What are its two monomers?
Answer: A
💡 Solution & Explanation
Thiokol is a unique polysulphide rubber synthesized by the condensation of ethylene chloride (1,2-dichloroethane) and sodium polysulphide ($Na_2S_4$), eliminating $NaCl$ as a byproduct.
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