ACRYLATE MONOMERS丙烯酸單體 / Acrylate monomer 2-Hydroxy Propyl Acrylate (2-HPA) 2-Hydroxy Ethyl Acrylate (2-HEA) 2-Hydroxy Butyl Acrylate (2-HBA) Tertbutyl Acrylate (TBA)