PRODUCTION OF MASTERBATCH COLORING POLYMER PELLET

PURPOSE:To produce the titled pellets containing uniformly and finely dispersed colorant, easily, by kneading a thermoplastic polymer with a colorant by a kneader, etc. at the first stage, and pelletizing the mixture using a twin-screw kneader extruder at the second stage. CONSTITUTION:The objective...

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Bibliographische Detailangaben
Hauptverfasser:	HIROSE KAZUHIKO, FUNAGAYAMA RIKUO, TAKEGAWA MASAHARU, KAWAZOE SHINGO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MAKING GRANULES OR PREFORMS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	PURPOSE:To produce the titled pellets containing uniformly and finely dispersed colorant, easily, by kneading a thermoplastic polymer with a colorant by a kneader, etc. at the first stage, and pelletizing the mixture using a twin-screw kneader extruder at the second stage. CONSTITUTION:The objective masterbatch coloring polymer pellet is produced by (1) carrying out the first stage kneading of (A) a thermoplastic polymer such as polyethylene terephthalate and (B) a colorant such as carbon black, etc. at a weight ration of 90/10-45/55 using a kneader or a Banbury mixer and (2) carrying out the second stage kneading and pelletization of the mixture using a twin- screw kneader extruder. The second-stage kneading is carried out preferably by diluting the mixture with a thermoplastic polymer.