| abstract |
A water-soluble polyurethane derived from: polyethylene glycol, polyethylene glycol-block-polypropylene glycol-block-polyethylene glycol polymer, polypropylene glycol-block-polyethylene glycol- block-polypropylene and mixtures thereof, l,l'-Carbonyldiimidazole, polyamine and mixtures thereof. A method for manufacturing a three- dimensional object, the method comprising steps of providing a digital description of the object as a set of voxels; and sequentially creating an actual set of voxels corresponding to the digital set of voxels; wherein at least one voxel comprises a water-soluble polyurethane. |