PET Processing - Extrusion
EXTRUSION: Effect of the Screw Flight On Melt Temperature, Energy Use
So-called rules of thumb regarding the design of flight clearance and width do not consider the temperature effect, both from the point of view of melt temperature and energy efficiency.
Read MoreOctal to Start PET Sheet Extrusion in Ohio
APET sheet to be made exclusively from sheet flake.
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Compounding PLA on Twin-Screws: What Testing Reveals
Twin-screw extrusion is the preferred method for compounding PLA and other biopolymers. But processing PLA is complicated because it’s sensitive to heat and shear. It’s also prone to hydrolytic degradation if moisture is present in molten PLA. Here’s what one machine builder’s trials revealed.
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Use Your Gauge to Solve Processing Issues Upstream
Gauging systems have an often-overlooked but equally important role beyond measuring web thickness: They can be used as a diagnostic tool to troubleshoot the process. Here's how.
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Top 10 Extrusion Items in 2013
Here's a quick rundown of things that caught my eye--and likely the attention of extrusion processors, in 2013.
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Telltale Temperatures
Here's how to get a 'feel' for a screw design without actually seeing it. And how to use this information.
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Extrusion/Compounding at K 2013: Having It All
Extrusion processors no longer need to chose among speed, quality, and flexibility, based on exhibits at K 2013.
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SPI and ACC partner on rigid plastics packaging, thermoforming
Can polyethylene terephthalate (PET) thermoforms enjoy the same recycling rates as their bottle brethren? Increasing thermoformed packaging reclaim, and that of other rigid plastics, will likely just be one goal of a new collaboration between SPI and ACC.
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There’s No Lid on This Processor’s Creativity
For this lid maker, the keys to success are speed, flexibility and ingenuity.
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K 2013 Preview: Extrusion, Compounding, Recycling
Across all extrusion technologies, expect to see new standards in speed, quality, flexibility, and efficiency in both energy and material usage.
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