PROCESS FOR THE MANUFACTURE OF PARTICLE BOARDS UTILIZING A DRY ORGANIC BINDER
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Abstract
A PROCESS FOR THE MANUFACTURE OF BOARDS CONSISTING OF AT LEAST ONE LAYER, WHEREIN SAWDUST HAVING A PARTICLE SIZE BELOW 1 MM. IS MIXED WITH A QUANTITY OF BINDING AGENT RANGING BETWEEN 5% AND 15% OF THE WEIGHT OF THE DRY SAWDUST, AND A LAYER IS FORMED BY SPREADING THE MIXTURE IN A LAYER OF SUCH A THICKNESS THAT A FINAL LAYER OF A THICKNESS RANGING BETWEEN 0.5 MM. AND 5 MM. IS OBTAINED, AND BY SIMULTANEOUSLY APPLYING A PRESSURE RANGING BETWEEN 80 KG./CM.2 AND 150 KG/CM2 AT A TEMPERATURE RANGING BETWEEN 130*C. AND 180*C. A PROCESS IN WHICH AN AGENT INCREASING THE INTERNAL HEAT RESISTANCE IS ADDED TO SAID MIXTURE.
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