| abstract |
Provided are silane copolymers formed from one or more polyisocyanates, one or more organo-functional silanes and one or more lubricious polymers having at least two functional groups. The silane copolymers are prepared by reacting one or more polyisocyanates with one or more lubricious polymers having at least two functional groups, which may be the same or different, that are reactive with an isocyanate functional group and with one or more organo-functional silanes having at least two functional groups, which may be the same or different, that are reactive with an isocyanate functional group, and at least one functional group reactive with a silicone rubber substrate. The silane copolymers are useful as coatings for polysiloxane (rubber) and other difficult to coat substrates, especially for medical devices, such as catheters. |