Method and apparatus for pelletizing a polymer feed

• Main Authors: ABHARI RAMIN, BYRNE PATRICK S, REIMERS JAY L, CAMPBELL DAVID ALLAN, JOHNSRUD DAVID RAYMOND
• Format: Patent
• Language: Chinese; English
• Published: 22.09.2010
• Subjects: 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

A method and apparatus are described in which a polymer feed is pelletized by introducing the polymer feed to an extruder, removing heat from the polymer feed in the extruder, and extruding the polymer feed through a pelletizing die.