| abstract |
The invention provides a polyoxyethylene polyoxypropylene-chitosan block copolymer, a bone hemostatic material and a preparation method thereof, and relates to the technical field of medicines. The polyoxyethylene polyoxypropylene-chitosan segmented copolymer can be used as a raw material for preparing a bone hemostatic material, can improve the biocompatibility and the bacterial inhibition of the bone hemostatic material, can prolong the hemostatic time, reduce the dissolution rate and improve the water absorption. |