methyl methacrylate molecule, methacrylate esters, molecular structure, 3d model van der waals

methyl methacrylate esters hazardous air pollutants monomers methacrylic acid molecule molecular structure chemical formula isolated model c5h8o2 atom plastic glass monomer polymer resin carbon atomic chemistry drawing oxygen skeletal chain building pmma dentistry unit hydrogen structural acrylic fiber synthetic organic macromolecule polymerization composition industrial compound