PIGMENTS | SPECIAL EFFECTS
appear bronze to yellow on the face with a notice- able stronger hue shift,” he says. Sun Chemicals has also extended its line of aluminium-based FDA food contact approved metallic effect additives in particle sizes from 9-250 microns. “We now offer over a dozen grades of our Compal PE pellets. They are 100% solids that provide customers with faster throughput,” says Heitzman. The line includes a fine grade with extra hiding power (Benda-Lutz 1249/80 PAO-A) based on a mineral oil paste.
Above: PET bottles incorporating Ampacet’s Modern Mattes pigments Aiming for PET
Among compounders and masterbatchers using effect pigments, Ampacet says mar-resistant matte finishes, textural effects and colour options ranging from vibrant to luminous are among its latest innovations. These include the Modern Mattesand Whispers masterbatch collections, which are intended for injection moulded and extruded PET products. The Modern Mattes masterbatches “allow the
Above: Ampacet’s Whispers effect pigments are intended for PET and rPET moulded and extruded applications
ence colours, golds, earthtones, and silver, as well as new black effects.
Heitzman says standout products in the com-
pany’s range include its new SunMica Fuse Scarlet, which has increased colour purity and brightness over standard russet pearlescents and offers very good colour travel from yellow shade to blue shade red. It is delivered in a non-dusting 65% pigment preparation. Laser marking additives are also finding in-
creased use in today’s market, according to Heitzman. He says Sun Chemical’s products in this application sector provide high resolution and are free of other additives that add complexity in formulation. The company currently offers three products for clear or colour applications that mark black, and two products for black and grey that mark grey to white. The product line is supported by different particle sizes as well as substrates of natural, synthetic mica to provide design flexibility. Heitzman also highlights its SunMica Dark
Effects line of silver to black pearlescent pigments, which provide alternative options for applications where metallic pigments are unsuitable. He says they are non-hazardous and provide increased stability, adding that they are “truly unique” in that they do not change hue and maintain their desir- able blue-shade silver to black at all angles. “This solves the problems with blends that tend to
30 COMPOUNDING WORLD | March 2021
use of vibrant colours while providing a range of finishes and visual effects, from smooth to textured appearances, as well as delustred and matte finishes,” the company says. One grade, called Prima, is said to deliver both surface tactility and improved scuff resistance. The new Whispers Collection is designed to
provide a textural and frosted matte finish for PET applications. “Whispers provides a tactile feel in combination with a visual matte effect. The iced energy of the effect is attained without the added expense of a secondary process or mould change,” according to Linda Carroll, Ampacet Director of Global Insight and Innovation. “Whispers Collec- tion colours currently available include Blue Breeze, Calmed Coral, Golden Glimmer, Lucid Lilac, Muted Mauve and Soft Celadon. Colours can be customised for any colour pathway to accurately reflect the targeted brand message.” Both collections are proving popular for personal
care, cosmetics, beverages, spirits, automotive, industrial, and home care products, Ampacet says. They can be used in virgin and recycled PET. A similar philosophy is being followed at Avient (formerly PolyOne) with its recently launched “NewÆsthetix by ColorWorks” range of special effect colour masterbatches for PET and rPET. It says that its aim is to develop colour and effect options that deliver original, sought-after aesthetic qualities not normally expected in plastic materials (the ColorWorks brand was acquired when PolyOne took over Clariant’s global masterbatch business last year).
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IMAGE: AMPACET
IMAGE: AMPACET
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