Research Article
Preparation and Properties of DMF-Based Polyurethanes for Wet-Type Polyurethane Artificial Leather
Table 2
Sample designation and composition of wet-type PU.
| | Sample designation | Composition (molar ratio) | | Isocyanate | Polyol | Chain extender | | MDI | PE/B/M | PE/B | PC/H/M | PC/H | BD diol | HD diol |
| | B-PE/B/M | 0.2 | 0.07 | — | — | — | 0.13 | — | | B-PE/B | 0.2 | — | 0.07 | — | — | 0.13 | — | | B-PC/H/M | 0.2 | — | — | 0.07 | — | 0.13 | — | | B-/PC/H | 0.2 | — | | — | 0.07 | 0.13 | — | | H-PE/B/M | 0.2 | 0.07 | — | | — | — | 0.13 | | H-PE/B | 0.2 | — | 0.07 | — | — | — | 0.13 | | H-PC/H/M | 0.2 | — | — | 0.07 | — | — | 0.13 | | H-PC/H | 0.2 | — | — | — | 0.07 | — | 0.13 |
|
|
