Description (2-Isobutyl-2-methyl-1,3-dioxolan-4-yl)methyl acrylate units lower the Tg of resulting polymers. It can be used for contact lens and medical devices manufacture. Also, it is suitable for 3D printing applications. Description (2-Isobutyl-2-methyl-1,3-dioxolan-4-yl)methyl acrylate units lower the Tg of resulting polymers. It can be used for contact lens and medical devices manufacture. Also, it is suitable for 3D printing applications.