nylon 6 or polycaprolactam polymer molecule. structural chemical formula on the dark blue background

amide atom atomic blue caproamide caproic caprolactam carbon chemical chemistry compound dark education fiber flat formula hexane hydrogen illustration lactam logo model molecular molecule monomer nitrogen nylon nylons opening organic peptide plastic polyamide polycaprolactam polymer polymerization polyurethane ring science semicrystalline structure study synthetic thermoplastic vector white