PIGMENTS | SPECIAL EFFECT
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Silberline’s Silvet E1 products are formulated for improved compatibility in PP compounds
ABS, PC/ABS, SAN) is also in development. The aim for this carrier is to help achieve higher aluminum pigment loadings in these polymers used in masterbatch and concentrate applications and also, in some cases, to provide higher gloss and distinctness of image, says Tyler. In addition, Tyler says the company recently developed and launched its FDA pellet technology, which provides broader US FDA and European food contact compliance than typical aluminum pellets. With improved sustainability in mind, Silberline
recently reduced its European carbon footprint by shortening the supply chain for its pigment packaging. “We had been freighting empty, nestable, stackable, 6-gallon steel pails for our European pigments operations from a manufactur- ing facility in Ohio, in the United States to our plant in Leven, Scotland, for around 15 years,” says Silberline Operations Director Alan Snaddon. The company worked with UK-based Fenton
Packaging Solutions to create a like-for-like product that was manufactured in Europe, with the aim of reducing the cost and impact of shipping. The partners developed new pails, which underwent a six-month, rigorous validation and testing process throughout the logistics chain. Silberline is now using these steel pails, which are manufactured in Germany, resulting in carbon dioxide equivalent/ TEU [shipping container twenty-ft equivalent unit] savings of more than 73%, the company says.
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Silberline has localised its European packaging production to reduce its carbon footprint
Flop effects Pigment manufacturer Eckart introduced a new interference-flop effect pigment, MasterSafe SYMIC Sahara Blue, that it says “oscillates from softly shimmering rosé with a beige undertone to sky blue interference reflection.” The company says the new pigment is available in a dust-free pellet version for use in plastic masterbatches and compounds. Another new effect pigment available in pellet
form is MasterSafe MP 76-20B, which contains “silver dollar pigments” that produce a coarse-grained silver lustre or metallic shimmer with sparkle. The effect can be combined with colour pigments to create metallic shades. For light colours, Eckart recommends using MasterSafe MP in combination with SYMIC pearlescent pigments, which act as optical brighteners in these formulations. The company’s SynAdd pigments provide a matte
effect, offering the ability to tailor the level of frost effect and transparency. The opacity is directly proportional to the content of SynAdd—the more SynAdd is added to the formulation, the higher the opacity/matte effect, says Helmut Wenzlik, Marketing & Technical Service Manager Plastics at Eckart. These pigments are suitable for PS as well as engineering plastics such as MABS, PC and transparent PA. Eckart’s latest NIR Silver pigments are designed to be compatible with the near-infrared (NIR) spectroscopic sorting systems used in some recycling plants. The company says conventional silver shades may not always be correctly identified by NIR sensors. In response to the trend to decarbonisation,
Eckart has introduced the MasterSafe BCR bio- based products, which use bio-based materials as the carrier for aluminum effect pigments and are intended for plastics masterbatch production. The company says they reduce product carbon footprint by 50% compared to traditional carriers. Eckart also reports a trend to the use of alu- minum pigment preparations in masterbatches and compounds used to create mass-coloured parts that do not need to be painted. The company says its Stapa AC Reflexal can be used to create smooth, texture-less metallic looks or glossy and reflective effects in engineering plastics used in a range of paint-free applications. The new product gives a higher level of metallic gloss than existing pig- ments, the company claims. The company says its development team has
16 COMPOUNDING WORLD | March 2023
www.compoundingworld.com
IMAGE: FENTON PACKAGING SOLUTIONS
IMAGE: SILBERLINE
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