by Scott Sabreen, The Sabreen Group, Inc. Surface pretreatments are used to promote adhesion between difficult-to-bond plastic substrates and adhesives, coatings and inks. Among pretreatments, "gas-phase surface oxidation" processes are proven highly effective, economical and environmentally safe. The selection of which method is best for any given … [Read more...] about Gas-Phase Surface Pretreatments for Plastics Adhesion
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Adhesion Bonding of Polyphenylene Sulfide
by Scott Sabreen, The Sabreen Group, Inc. Polyphenylene Sulfide (PPS) is a high-temperature, semi-crystalline engineering thermoplastic. Within the industry, PPS is known as THE plastic that performs like metal. Arguably, it's one of the most challenging polymers to bond to itself or dissimilar materials. To be successful at bonding PPS requires an understanding of its … [Read more...] about Adhesion Bonding of Polyphenylene Sulfide
Why Use Attachments for Ultrasonic Horns?
by Gary Clodfelter, Plastics Assembly Technologies, Inc. (PATSONICS) Question: What attachments can be added to ultrasonic horns? In what cases would these attachments be necessary? Answer: There are situations when it is necessary to add other components to an ultrasonic horn. One of these situations occurs when the mechanical vibrations created from ultrasonic … [Read more...] about Why Use Attachments for Ultrasonic Horns?
Fluorooxidation Surface Pretreatment
by Scott Sabreen . Fluorooxidation (F/O) is a surface pretreatment for polymers and elastomers that is conducted inline at ambient conditions. While the science of using Fluorine (F2) gas for surface modification has been well understood for more than 50 years, it has not been widely accepted primarily because of the safety concerns in using Fluorine gas. The … [Read more...] about Fluorooxidation Surface Pretreatment
Premium Metallic Graphics and Wraps Add Sparkle, Value to Products
by Laurie Weller, Roland DGA . In the world of decorated plastics, silver sells. In fact, adding metallic effects to promotional items, smart phone covers, products and accessories can greatly increase their value. Metallic graphics are typically priced 30- to 40-percent higher than traditional CMYK graphics. And they're an easy upsell. When shown a full-color CMYK … [Read more...] about Premium Metallic Graphics and Wraps Add Sparkle, Value to Products