SCREW EXTRUDER FOR CONTINUOUS AND SOLVENT-FREE RESIN EMULSIFICATION

• Main Authors: CHUNG, JOO T, HIGUCHI, FUMII, LEONARDO, JOSEPH L, FAUCHER, SANTIAGO, ANDAYA, BRIAN J
• Format: Patent
• Language: English; French
• Published: 19.11.2011
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; MAKING GRANULES OR PREFORMS; MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

A screw extruder is presented including a feed hopper for receiving materials and a body member having at least one supply port and at least one outlet port. The screw extruder also includes a screw positioned within the body member and movable along a channel defining a longitudinal axis. The screw extruder further includes a drive shaft for rotatably driving the screw along the channel. The screw extruder may be configured to mix the materials received via the feed hopper with a series of one or more forward, neutral, and reverse kneading elements.