| abstract |
The present invention relates to a macromolecular starter comprising at least one hydrophobic segment in one molecule, wherein the hydrophobic segment has a molecular weight of from 300 to 1800. The invention further relates to block copolymers, wetting agents, and polymeric materials having the block copolymers of the invention associated therewith, the invention being applicable to medical devices, particularly to ophthalmic devices, including contact lenses, ophthalmic lenses, lacrimal tubes Plug and artificial cornea. |