10. Jul 2015

In a world first, Sharp selects bio-based engineering plastic for smartphone front panel

Sharp Corporation has selected Durabio, a bio-based engineering plastic made by Mitsubishi Chemical Corporation for the front panel of its new smartphone, the AQUOS CRYSTAL 2, slated to go on sale in the middle of July 2015.

sharp smartphoneDurabio front panel

It is the first time a bio-based engineering plastic has ever been used on the front panel of any smartphone. Most front panels of smartphones are made of glass, and their susceptibility to cracking has been an ongoing problem. This has led manufacturers to consider polycarbonate and other plastics for the front panels because of their light weight and increased durability compared to glass. Unfortunately, some traditionally available plastics offered excellent optical properties, but were more prone to cracking upon impact, while others that were impact-resistant tended to have poor optical properties. Therefore, as there was a need for considerable improvement in the plastics, the vast majority of smartphone manufacturers relied on glass for the front panels of their phones.

Based on its research and development into high-performance products, MCC is committed to playing a vital role in the manufacturing of eco-friendly, high-value-added products. MCC-developed DURABIO is a bio-based engineering plastic made from plant-derived isosorbide, which features excellent performance as it offers higher resistance to impact, heat, and weather than conventional engineering plastics. In addition, it has excellent transparency and low optical distortion.

DURABIO received high evaluations from Sharp as a plastic with superior shock resistance and optical characteristics, which led to the company's selection of DURABIO for the front panel of the AQUOS CRYSTAL 2.(KL)


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