nylon 66 or nylon molecule. it is plastic polymer. structural chemical formula on the dark blue background

acid adipic amide atom atomic blue carbon chemical chemistry compound dark diamine diaminohexane dicarboxylic education fiber flat formula hexamethylene hexamethylenediamine hexane hexanedioic hydrogen illustration logo model molecular molecule monomer nitrogen nylon nylons organic plastic polyamide polymer polymerization polyurethane science strand structure study synthetic thermoplastic vector white