Articles
Extrusion: Barrier Screws: Metering Section or Not?
A barrier screw without a metering section can reduce output and increase melt temperature.
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Injection Molding: A Practical Approach to Calculating Residence Time
Toss the formulas. The best way to determine residence time is to conduct a simple experiment.
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A Processor's Most Important Job, Part 5: POM Polymers
Using a mold temperature above a polymer’s Tg ensures a degree of crystallinity high enough to provide for dimensional stability, even if the part must be used at elevated temperatures. But POM is an exception. Why?
Read MoreP&G Explores the Frontiers of Injection Mold-Temperature Control
Sharing in development of leading-edge technology for monitoring and control of flow and temperature in each individual mold circuit has given P&G’s German operations lower investment costs, decreased energy consumption, and increased product quality.
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Materials Innovations for Film, Molding & Automotive
Highlights of the SPE Polyolefins Conference included a ‘game-changing’ LLDPE family, and new stabilizers and other additives for film extrusion and all types of molding.
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‘Digital Manufacturing’ Evolves from Prototyping to ‘On-Demand’ Short Runs
Protolabs has built a business on speed. Today its “digital manufacturing” model is accelerating from rapid prototypes and first-run production parts to “on-demand” short-run manufacturing.
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PolyOne Emphasizes its Materials & Services in Future Mobility Innovations
At its Investors Day at NPE2018, PolyOne will present details about transportation solutions as one of several high-growth focus areas.
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Highlights From The Earth Day Twitter Chat
Last week, Plastics Technology participated in a pre-Earth Day Twitter chat with Jeff Wooster of Dow Chemical, Kim Holmes of PLASTICS, Envision Plastics and the Sustainable Packaging Coalition.
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Thermal Care Names Armbruster to Head Sales & Marketing
Auxiliary equipment veteran of more than 20 years ‘uniquely qualified to have an immediate and positive impact.’
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IHS Markit Analyzes U.S.-China Trade Relations & Implications for the Chemical Markets
Escalations in the U.S.-China trade dispute have driven both countries to respond with tariffs that could derail a global economic boom.
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Plastics: In One Word
In celebration of NPE2018 and more than 50 years of The Graduate, we are calling on all plastics professionals to help us define the future of plastics: in one word. Let us hear you at ptonline.com/network or share to #PlasticsOneWord
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DowDuPont to Invest in Expansion of Specialty Resins and Additives
A series of investments totaling about $100 million over the next two years by DowDupont, Midland, Mich., is aimed at expanding manufacturing capacity and facility modernization at the Sabine River Works (SRW) plant in Orange County, Texas.
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