| 초록 |
Polyurethanes have a wide range of applications such as coatings, adhesives, foams, textiles, membranes, elastomers, and so on. A rapid reaction between a poly-functional isocyanate and a hydroxyl-terminated oligomer leads to a urethane linkage. Reactions of isocyanates are widely used to crosslink and extend chain length of polymers. Consequently, biodurable polyurethane can be applied to a pre-formed vascular graft, seal the interstices and create “anchor” sites for protein attachment. Herein, we report novel bio-adhesive from poloxamer 407 and 4,4’-diphenylmethane diisocyanate (MDI). The physicochemical properties of novel ionic polyurethane were confirmed, FT-IR (Fourier Transform Infrared Spectroscopy), TGA (Thermogravimetric Analysis), DSC (Differential Scanning Calorimetry), and 1H-NMR (1H Nuclear Magnetic Resonance) analyses. |
