18Nylon - Reminder: These notes are meant to supplement,...

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Reminder: These notes are meant to supplement, not replace, the textbook and laboratory manual. Synthesis of Nylon 6.10 1. Here is some terminology related to this experiment. More required terminology is found in notes for the preceding experiment (Transforming Polystyrene from a Foam to a Film). An interface is the plane of contact between two immiscible liquid layers. Interfacial polymerization is the reaction of monomers to form a very large molecule at the contact between two immiscible liquid layers. The monomers are dissolved in different layers, and only come into contact at the interface. The main functional group present in nylon molecules is the amide functional group. 2. This is the general reaction between a primary amine and an acid chloride to produce an amide plus HCl. O | | R-C–Cl + R'-NH 2 -----> O | | R-C–NHR' + HCl This is the equation for the preparation of nylon 6.10. n H 2 N(CH 2 ) 6 NH 2 + 2n HCl + n O O | | | | Cl-C(CH 2 ) 8 C–Cl -----> O O | | | | —NH(CH 2 ) 6 NH—C(CH 2 ) 8 C— n sebacoyl chloride hexane-1,6-diamine or hexamethylene diamine nylon 6.10 The numbers in the names of nylon molecules are, first, the number of carbons in the
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18Nylon - Reminder: These notes are meant to supplement,...

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