Research Article
Study on the Interaction between Low-Viscosity High-Permeability Pregrouting Sealing Material and Coal and Its Application
| No. | Polylactide polyol (g) | Polyether polyol 4110 (g) | Isocyanate (g) | Charring agent (g) | Red phosphorus (g) | Melamine (g) | Catalyst (g) | HGB (g) | Pulverized coal (g) |
| X-1 | 16 | 24 | 40 | 8 | 4 | 8 | 0.4 | 12 | 100 | X-2 | 16 | 24 | 40 | 8 | 4 | 8 | 0.4 | 12 | 90 | X-3 | 16 | 24 | 40 | 8 | 4 | 8 | 0.4 | 12 | 80 | X-4 | 16 | 24 | 40 | 8 | 4 | 8 | 0.4 | 12 | 70 | X-5 | 16 | 24 | 40 | 8 | 4 | 8 | 0.4 | 12 | 60 | X-6 | 16 | 24 | 40 | 8 | 4 | 8 | 0.4 | 12 | 50 |
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