additives feature | Special effect pigments
smallest size is 0.05 by 0.075 mm, the largest is 6.35 mm. The glitters withstand processing temperatures up to 288°C. They are solvent resistant and lightfast. Glitterex also manufactures Disco ET iridescent glitter, for processing tem- peratures up to 193°C.
Eye-catching compounds Last year, PolyOne unveiled a new
PolyOne has launched liquid colour concen- trates that yield shimmer and frost effects in PET bottles
lead to thermally induced stress and subsequently may lead to malfunction like warping, twist or torsion. This effect is reduced by the incorporation of Energysafe Lignum Brown. Shepherd Color’s Starlight special-effect pigments
incorporate the company’s MicroMirror technology. Shepherd says that perfectly flat glass flakes coated with pure silver give sharp sparkles that orientate randomly instead of following flow lines. The silver is passivated to improve weatherability. The company says it exercises tight particle size control over Starlight products. One grade, Starlight FL105 is approved for food
contact applications. Another product in the range, Starlight FL37 is said to be “incredibly efficient” because it has over 26 million particles per kg, allowing distinct effects at low loading levels. Shepherd also offers Arctic IR near-infrared
reflective black pigments for reduced heat build-up from solar heating. It offers grades with tailored properties of masstone jetness, IR reflectivity and tint strength for specific applications, principally in building and construction. Glitterex, which not surprisingly makes precision cut
Eckart’s Energysafe pig- ments increase the solar reflectance properties of plastics
glitter, claims to be unique in coating its own substrates in-house before cutting them into glitter. This is important for a couple of reasons, it says: “We have complete control of all the ingredients that go into our product, and we can react quickly to requests for custom colours.” Alu*Flake glitters are the company’s most popular
product for plastics compounding. They are produced in a wide variety of sizes, shapes and colours. The
collection of liquid colour concentrates that yield shimmer and frost effects in PET bottles. They were created using ColorMatrix advanced liquid colour dispersions. The formulations offer varying degrees of reflection, translucency, and apparent texture, without any modification to moulds. There are 10 standard colour formulations, and the company will also create custom colours.
Samsung SDI Chemical has its main production in
Korea, but it also has compounding operations in Europe, with five lines in Hungary with a total capacity of 40,000 tonnes/year. At Fakuma last year, it was touting a new range of ABS products called Starex Luminous, which provide high-gloss metallic and pearlescent effects straight out of the mould. Samsung SDI is looking to grow in Europe, particu-
larly in automotive applications: it has set a revenue target for this year in the region of US$400 million.
Click on the links for more information: ❙
www.merck-performance-materials.com ❙
www.emd-performance-materials.com ❙
www.basf.com ❙
www.geotech.nl ❙
www.sunchemical.com ❙
www.silberline.com ❙
www.eckart.net ❙
www.shepherdcolor.com ❙
www.glitterex.com ❙
www.polyone.com ❙
www.colormatrix.com ❙
www.samsungchemical.com
Eckart’s Platalux silver-coated pigments based on glass give high sparkle intensity
26
COMPOUNDING WORLD | March 2015
www.compoundingworld.com
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