Table 2. Formulation for Regenerated PU Foams Based on Recovered Polyol Solution
| Material | Parts by Weight* | Purpose |
Polyol Premix | GPX-6000 | 70 | Main Polyol |
POP-6040 | 30 | Copolymer Polyol |
GEX-3300 | 2.0 | Cell Opener |
L-3002 | 0.4 | Silicone surfactant |
L-5309 | 0.2 | Silicone surfactant |
ETF | 0.15 | Blowing Catalyst |
Dabco 33LV | 0.5 | Gelling Catalyst |
1,4 Butylene Glycol | 0.2 | Chain Extender |
Diethanolamine (DEA) | 0.5 | Crosslinking Agent |
Water | 3.8 | Blowing Agent |
Isocyanate | KI-2000 | 53.9 | NCO 35.0~36.0% |
The total polyol set at 100 parts by weight.