Plastics Technology

JUL 2018

Plastics Technology - Dedicated to improving Plastics Processing.

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The Medical E Line Extruder from Germany's Dr. Collin was displayed at NPE2018 equipped with a strand die, medical-grade belt take-off, and a strand pelletizer. The machine is sized for small-batch production, R&D, and product development. It runs at low processing temperatures, which is critical for certain additives used in medical compounding. The Collin Medical Lines are character- ized by high accuracy, cGMP/FDA validated production, GAMP5 valida- tion and excellent and quick cleaning. The machines are manufactured to customer requirements. +49 8092 / 2096-0 • COMPOUNDING Small-Batch Extruder for Medical Compounds EXTRUSION Device Measures Surface Energy on Films The Surface Analyst from BTG Labs, St. Bernard, Ohio, is a hand-held tool used for inspecting flexible packaging film that reportedly reduces waste, rework and recalls that result when poorly prepared substrate surfaces lead to printing or sealing failure. In 2 sec, the Surface Analyst measures the surface energy of a film surface and determines if it is properly prepared for adhesion. Dyne pens and inks have been the industry standard for inspecting film surface tension. They are used to help converters understand their films' surface energy and interfacial tension before and after surface treatment. One reason for their sustained use has been that they are inexpensive, but BTG claims dyne inks are chemically destructive to the materials they inspect, resulting in wasted product. With a push of a button, the Surface Analyst quantifies the quality of the film surface. To acquire the measurement, the unit uses patented technology to deposit a highly purified drop of water on the surface of the film and then measures the contact angle—a direct correlation to surface energy. Typical inspection points within film and flexible packaging manufacturing include: • Monitoring incoming material from suppliers. Manufacturers need a baseline understanding of the condition of a film's surface prior to it entering their production process. Measurements by the Surface Analyst give manufacturers the ability to monitor supplier specifications. • Determining the effect of surface aging. Material surfaces deteriorate over time. The Analyst determines the optimal amount of time that a surface can be kept in storage before the surface is no longer fit for adhesion. • Defining optimal surface-treatment levels. The Surface Analyst allows manu- facturers to quantify the effectiveness of their surface-treatment processes, such as flame and corona treatment. Manu- facturers also use the measurements to determine the optimal level of treatment to avoid damaging the material surface from overtreatment and undertreatment. • Monitoring daily production processes. Over time, processes slowly drift out of spec. The Surface Analyst is used to monitor production processes to ensure the line is working at its highest level of efficiency. 513-469-1800 • Underwater Pelletizers Production rate up to 79,000 lbs/hr Strand Pelletizers Production rate up to 44,000 lbs/hr NEW to the Maag family — Continuous Melt Filtration Throughputs to 12,000 lbs/hr Piston & Side Plate Screen Changers Throughputs up to 100,000 lbs/hr x 6 class extrex ® Gear Pump Throughputs up to 33,000 lbs/hr PUMPS, FILTRATION & PELLETIZING SYSTEMS for extrusion, compounding & recycling | +1 800.622.4872 reduction pulverizing systems gala automatik underwater pelletizers automatik scheer strand pelletizers maag pump & filtration systems @plastechmag 49 Plastics Technology N E W P R O D U C T S F O R P L A S T I C S P R O C E S S I N G

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