METHOD FOR ADDITION OF ADDITIVES INTO A POLYMER MELT

A METHOD FOR ADDING AN ADDITIVE INTO A POLYMER MELT (101), PREFERABLY A POLYESTER POLYMER MELT SUCH AS POLYETHYLENE TEREPHTHALATE (PET), COMPRISING: A. DISCHARGING A POLYMER MELT (101) FROM A REACTOR (102) TO FORM A DISCHARGED POLYMER MELT STREAM, AND B. SOLIDIFYING SAID DISCHARGED POLYMER MELT STRE...

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Hauptverfasser:	DEBRUIN, BRUCE, ROGER, VENETT, KENRICK LYLE
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Zusammenfassung:	A METHOD FOR ADDING AN ADDITIVE INTO A POLYMER MELT (101), PREFERABLY A POLYESTER POLYMER MELT SUCH AS POLYETHYLENE TEREPHTHALATE (PET), COMPRISING: A. DISCHARGING A POLYMER MELT (101) FROM A REACTOR (102) TO FORM A DISCHARGED POLYMER MELT STREAM, AND B. SOLIDIFYING SAID DISCHARGED POLYMER MELT STREAM (103), AND C. PRIOR TO SOLIDIFICATION, FEEDING A PORTION OF THE DISCHARGED POLYMER MELT STREAM (103) TO A SLIPSTREAM (105) TO FORM A SLIPSTREAM POLYMER MELT, AND D. FEEDING AN ADDITIVE INTO SAID SLIPSTREAM POLYMER MELT TO FORM AN ADDITIVE CONTAINING SLIPSTREAM, AND E. FEEDING THE ADDITIVE CONTAINING SLIPSTREAM (105) TO A LOCATION UPSTREAM FROM THE FEED LOCATION FORMING SAID SLIPSTREAM