color
Tandem Tools: New Twist on Stack Molds for Larger Parts
Two new tooling concepts adapt the idea of stack molds to producing larger parts that can be of dissimilar shape, size, color, or material.
Read More
Color-Infusion Process Is Suited to Short Runs of Different Hues
Bayer Plastics in Pittsburgh is commercializing its new Aura dip-dyeing process for molded parts, sheets, or profiles of engineering thermoplastics.
Read MoreThe Latest Instruments For Testing & QC
The huge triennial plastics exhibition in June showcased new developments in product inspection and lab instruments for testing mechanical properties, melt rheology, weatherability, color, and appearance.
Read MoreBlow Molding
The latest introductions in extrusion blow molding focused on faster color changeovers, higher bottle production, and integration with form-and-fill operations. In PET stretch-blow equipment, new models showed enhanced capabilities, such as making a 90-liter container from 100% recycled PET, molding PET jars and bottles on a standard injection-blow press, and stretch-blowing a wider range of resins. There was also news in downstream deflashing technology.
Read MoreNPE Newsfinder: Chemicals & Additives
Lots of new additive and color concentrates will be displayed at NPE 2000. There will also be new pigments, including some for laser marking. Several new processing aids and modifiers for thermoplastics and thermosets are slated to debut. Also look for new mold releases and a purging agent for optical disc resins. Interesting new fillers include a new electroconductive wollastonite and high-impact wollastonite grades for automotive applications.
Read MoreEngineering Thermoplastics
Expect to see numerous entries in automotive engineering thermoplastics at NPE, including a totally new amorphous thermoplastic that is said to provide a breakthrough in color and gloss retention outdoors without painting. Besides exterior body panels, new automotive materials for under-hood, interior, structural, and mechanical parts like gears will also be plentiful.
Read MoreCompounding Close-Up
A radically different approach to in-line compounding of rigid PVC can replace a conventional batch mixer with a smaller, continuous, high-intensity mixing system. It requires dramatically less space, energy, and processing time. It greatly reduces capital cost for equipment and plant construction by eliminating the need for a mezzanine. And it also greatly reduces the heat history of the resin. It simplifies material handling, allows greater formulating flexibility, saves resin on color changes, and may need only one operator instead of two. It also lets processors add capacity easily, without the high fixed cost of batch mixers.
Read MoreSort Plastic Scrap Fast By Resin, Color & Additives
Recyclers of mixed plastics waste can detect materials containing flame retardants, heavy-metal additives, and fillers--or they can sort bottles at high rates by color or by polymer--thanks to new technologies unveiled at the second annual Identiplast Conference held recently in Brussels, Belgium. The three-day conference was organized by the Association of Plastics Manufacturers in Europe, the American Plastics Council, (Washington, D.C.), the European Plastics Converters, and the Japanese Plastic Waste Management Institute.
Read More
