The use of quaternary ammonium as cationic surfactants. The nucleophilic addition–elimination reactions of ammonia and primary amines with acyl chlorides and acid anhydrides. Students should be able to outline the mechanisms of: these nucleophilic substitution reactions • the nucleophilic addition–elimination reactions of • ammonia and primary amines with acyl chlorides. CHAPTER 10 Polymers 3.3.12.1 Condensation polymers Condensation polymers are formed by reactions between: dicarboxylic acids and diols • dicarboxylic acids and diamines • acids. • The repeating units in polyesters (eg Terylene) and polyamides (eg nylon 6,6 and Kevlar) and the linkages between these repeating units. Typical uses of these polymers. Students should be able to: draw the repeating unit from monomer structure(s) • draw the repeating unit from a section of the polymer • chain draw the structure(s) of the monomer(s) from a section • of the polymer
The use of quaternary ammonium as cationic surfactants. The nucleophilic addition–elimination reactions of ammonia and primary amines with acyl chlorides and acid anhydrides. Students should be able to outline the mechanisms of: • these nucleophilic substitution reactions • the nucleophilic addition–elimination reactions of ammonia and primary amines with acyl chlorides. CHAPTER 10 Polymers 3.3.12.1 Condensation polymers Condensation polymers are formed by reactions between: • dicarboxylic acids and diols • dicarboxylic acids and diamines • acids. The repeating units in polyesters (eg Terylene) and polyamides (eg nylon 6,6 and Kevlar) and the linkages between these repeating units. Typical uses of these polymers. Students should be able to: • draw the repeating unit from monomer structure(s) • draw the repeating unit from a section of the polymer chain • draw the structure(s) of the monomer(s) from a section of the polymer
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