news The eyes have it for Ultem PEI
Japanese specialist eyewear manufacturer Intermestic is using Ultem polyetherimide (PEI) resin from Sabic Innovative Plastics for the frames for the latest addition to its Zoff spectacle range. The lightweight resin was
selected over titanium and aluminimum for the Smart spectacles for its high level of flexibility, and resistance to chemicals, heat and UV. It also offered greater design freedom. The Zoff Smart frames meet the requirements of Japan
Evonik sells
colorants German chemicals firm Evonik has agreed to sell its global colorants business to US-based private equity company Arsenal Capital Partners.
The deal, which is
expected to close at the end of this month, includes Evonik’s ColorTrend and Chroma-Chem colorant systems for decorative coatings. ❙
www.evonik.com
Standard Association JIS B 7285, which includes 20,000 bending repetitions (opening and closing the frame). “This one material provides
a complete solution for creating superior frames – from extremely light weight for wearability, to exceptional elasticity that allows you to
bend the earpieces freely,” said Takeshi Ueno, president of the Zoff business. The Zoff Smart frame
weights 9.4 g without the lens, which compares well against metal frames that typically weigh around 20 g. In addition to its intrinsic
Sabic’s Ultem provides flexibility for Zoff’s latest spectacles
light weight, Ultem is suitable for precision thin-wall moulding down to 1.2 mm and the material can be custom colored to provide a wide range of aesthetic effects. ❙
www.sabic-ip.com
Japanese firms to develop bio-PA
Japanese chemicals group Toray Industries and food ingredients company Ajinomo- to have agreed to initiate a joint research programme to develop a plant-based polyamide polymer using Ajinomoto’s fermentation technologies. The project is intended to
develop the polyamide feedstock 1,5-pentanediamine (1,5-PD) from the amino acid lysine – a core Ajinomoto product - using an enzyme
decarbonation reaction. 1,5-PD can then be polymerised to polyamide 56, which is suitable for production of fibre and other products. The two companies have
already carried out successful test production of 1,5-PD using Ajinomoto’s lysine, as well as running test production of biobased polyamide 56. Further ahead, firms two plan to explore the use of Toray’s membrane-integrated bioproc- ess for manufacturing lysine.
Bio-based polymer
production is a new venture for Ajinomoto, a ¥1.2bn producer of food seasonings, processed foods, amino acids, pharma- ceuticals and specialty chemicals. Toray, however, is an established player in bio- based chemicals and poly- mers. The ¥1.5bn company is already developing plastics based on PLA and other bio- based polyamides. ❙
www.ajinomoto.com ❙
www.toray.com
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