| abstract |
A copolymer comprising (a) one or more polysiloxane-containing segments and (b) one or more polyol segments, each of said segments being linked to one or more further segments, which may be the saure or different, via urea or urethane linkages, wherein said polysiloxane-containing segment(s) are in the backbone of the copolymer. The copolymer is useful in the production of implantable devices such as vascular grafts. |