Heparin homogeneously mixed with polyurethane in the co-solvent of tetrahydrofuran and water through adjusting the ratio of the two solvents.

• 摘要利用全新的四氢呋喃和水的溶液体系将肝素与不溶于水的聚氨酯同溶液混合，制备出含有肝素的聚氨酯薄膜。