polylactic acid molecular structure, 3d model molecule, thermoplastic polyester, structural chemical formula view from a

polylactic acid thermoplastic polyester polylactide pla molecule molecular structure chemical formula 3d model c3h6o3x atom carbon oxygen renewable sustainable atomic hydrogen implant plastic polymer synthetic tapioca monomer printing recycling strand corn fiber particle lactic medical compostable lactate bioplastic polylactate chemistry skeletal icon flat science structural illustration