PROCESS FOR PRODUCING A MOLD
A PROCESS FOR PRODUCING A MOLD, COMPRISING A STEP OF MIXING REFRACTORY PARTICLES, A WATER-SOLUBLE PHENOL RESIN, AND A CURING AGENT COMPOSITION COMPRISING AN ESTER COMPOUND, THEREBY YIELDING MIXED SANDS, AND A STEP OF PUTTING THE MIXED SANDS INTO AN ORIGINAL PATTERN TO SHAPE THE SANDS, WHEREIN THE RE...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A PROCESS FOR PRODUCING A MOLD, COMPRISING A STEP OF MIXING REFRACTORY PARTICLES, A WATER-SOLUBLE PHENOL RESIN, AND A CURING AGENT COMPOSITION COMPRISING AN ESTER COMPOUND, THEREBY YIELDING MIXED SANDS, AND A STEP OF PUTTING THE MIXED SANDS INTO AN ORIGINAL PATTERN TO SHAPE THE SANDS, WHEREIN THE REFRACTORY PARTICLES COMPRISE RECLAIMED SANDS THAT ARE ARTIFICIAL SANDS PRODUCED BY A FUSION METHOD IN A PROPORTION OF 70% OR MORE BY WEIGHT, THE CURING AGENT COMPOSITION COMPRISES AT LEAST ONE SELECTED FROM TRIETHYLENE GLYCOL DIACETATE, TRIETHYLENE GLYCOL, 3-PHENYLPROPANE-1-OL, AND BENZYL ALCOHOL |
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