Continuous condensation polymerization finisher

Abstract

Abstract A CONTINUOUS POLYMERIZATION FINISHER FOR REMOVAL WITHIN A BRIEF HOLDING TIME OF REACTION BY-PRODUCTS SUCH AS WATER AND LOW BOILING ORGANIC SUBSTANCES ELIMINATED DURING LINEAR CONDENSATION OF POLYESTERS AND POLYAMIDES. THE CONTINUOUS POLYMERIZATION FINISHER COMPRISES A SUBSTANTIALLY HORIZONTAL BARREL WITH CLOSED ENDS, MEANS FOR HEATING SAID BARREL, A SUPPLY INLET CONNECTED TO ONE END OF SAID BARREL, AN OUTLET CONNECTED TO THE OPPOSITE END OF SAID BARREL, AT LEAST ONE VACUUM STANDPIPE PROXIMATE THE INLET, SAID STANDPIPE BEING POSITIONED TANGENTIALLY TO SAID BARREL AND DISPOSED WITHIN A HEATING ZONE, A ROTATABLE MEMBER MOUNTED WITHIN SAID BARREL PROXIMATE THE OUTLET AND LOCATED WITHIN SAID HEATING ZONE, AN AGITATING SHAFT CONNECTED TO SAID ROTATABLE MEMBER, SAID SHAFT BEING PROVIDED WITH A PLURALITY OF NOTCHED FLIGHTS HELIXED AT A PREDETERMINED ANGLE, SAID SHAFT EXTENDING THE LENGTH OF SAID BARREL, THE NOTCHED FLIGHTS HAVING A ROTATABLE SWEEP COMMENSURATE WITH THE DIAMETER OF SAID BARREL, A MULTIPLICITY OF BAFFLES SECURED TO THE NOTCHED FLIGHTS, SAID BAFFLES BEING SPACED EQUAL DISTANCES ALONG THE LENGTH OF EACH OF THE FLIGHTS, EACH OF SAID BAFFLES BEING ATTACHED ALONG ITS LENGTH TO SAID FLIGHTS AND HAVING AN ARCUATE TRAILING EDGE CONFORMING TO THE RADIUS OF CURVATURE OF SAID BARREL, AND DRIVING MEANS FOR IMPARTING ROTATION TO SAID SHAFT.

Inventors

• 👤 James H Abbott
• 👤 Nick K Harakas
• 👤 George A Latinen

Bibliographic Details