2021-03-252021-03-252020-01-28http://hdl.handle.net/10919/102805A method for manufacturing a three dimensional object includes steps of: providing a digital description of the object as a set of voxels; sequentially creating an actual set of voxels corresponding to the digital set of voxels. At least one voxel comprises a polymer derived from: polyol and an ionic monomer. The calculated charge density of the resulting polymer is 0.01 to 0.7 mEq/g.application/pdfenPatenthttp://pimg-fpiw.uspto.gov/fdd/39/436/105/0.pdf15667654A61K8/0216A61K8/84A61K8/86A61Q19/00A61K2800/10A61K2800/805B29C64/112B29C64/106B29C64/118B33Y10/00B33Y50/02B33Y70/00B33Y80/0010543639