Markets & Products Oil & Gas, Petrochemicals VISIOMER® MAPTAC VISIOMER® MAPTAC is a quaternized aminofunctional methacrylate monomer. VISIOMER® N-iPMAA VISIOMER® N-iPMAA (N-isopropyl methacrylamide) is an alkylated methacrylamide. VISIOMER® TMAEMC VISIOMER® TMAEMC is a quaternized aminofunctional methacrylate monomer. View all Related Markets Oil & Gas, Petrochemicals Improved recovery and resource efficiency. Innovative solutions from Evonik