nylon 66 molecule, polyamide, molecular structure, 3d model van der waals

nylon 66 polyamide nhexylhexanediamide molecule molecular structure chemical formula isolated model c12h22n2o2n c12h24n2o2 atom plastic compound chemistry education science study acid atomic carbon fiber strand hydrogen nitrogen polymer synthetic monomer organic polyurethane thermoplastic adipic amide diamine diaminohexane dicarboxylic hexamethylene hexamethylenediamine hexane hexanedioic polymerization oxygen