May 1999 Issue
May 1999
Features
Featured articles from the latest issue of Plastics Technology
Photo-Graftable UV Absorber Gets the Yellow Out
Sanduvor PR-25, a uv absorber based on new photo-reactive chemistry, was aimed primarily at coatings when it was first launched a couple of years ago. Since then it has made headway in clear plastics, including flexible PVC, polycarbonate, PET, and other engineering thermoplastics.
Read MoreExtrusion Goes 'Just in Time' With Quick Die Changers
Two unusual new processes from Germany allow changes of profile, pipe, and pelletizing dies in just a few seconds.
Read MoreRapid Prototyping Goes Faster & Smoother
Thanks to a new dual-spot laser and other enhancements, the latest stereolithography machine from 3D Systems, Valencia, Calif., offers speed and surface-finish improvements crucial to rapid-tooling applications.
Read MoreThe Future of CIM
Before long, the most important tool for managing your plant may be an internet browser. Here's a look at one "cybermolder" that's already on line.
Read MoreTime for a Switch to Electric Heater Rolls?
Web processors and converters who use liquid-heated rollers for orienting, annealing, laminating, and embossing should take a look at recent advances in electric-heated rolls. You could get better temperature control with less maintenance and downtime.
Read MoreVirtual Thermoforming--Ready for Prime Time?
Process simulation for thermoforming is still new and far from perfected. Yet a small but growing band of processors are discarding trial-and-error methods in favor of simulation as a shortcut to optimizing quality.
Read MoreHave You Seen Plastics Technology Today?
Are you a news junkie? Want a daily "fix" of news about plastics? If so, we've got your medicine.
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