TECHNOLOGY | MATERIALS SPECIALITY FILM First application for thin dielectric film


Sabic has shown the first commercial application of its high-heat Elcres HTV150A dielectric film, at the recent PCIM exhibition. Japan’s Nichicon


Corporation has used the ultra-thin speciality film to develop high-temperature, high-voltage capacitors for AC-DC traction inverter modules in electric vehicles. This addresses industry demand for advanced film capacitors which can enable more-efficient AC-DC power modules, says Sabic.


LLDPE


Extended metallocene range offers new VLLDPE grade


TotalEnergies has extend- ed its polyethylene range with a new very low linear density polyethylene (VLLDPE) grade, which it says enhances the recycla- bility of stretch hood applications. The new metallocene


grade, named Advanced Supertough 12AST05,


extends its range from very low-density grades (0.912 g/cm3) up to high-density grades (0.960 g/cm3). With good mechanical and optical properties (a haze of 5% and gloss 45° of 70) and good sealing behaviour, the newgrade can address a range of film applications. It can also be


used in formulations aiming the replacement of ethyl- ene-vinyl acetate (EVA) grades to enhance the recyclability of stretch hood applications. The material is also fit for


flexible packaging welding applications thanks to its sealing initiation tempera- ture being 2°C below market standard, enabling lower costs of production by reducing the quantity of plastomers in the welding layer. “This new grade helps our customers to improve the packaging recyclability,” according to Olivier Greiner, vice president of polymers, Europe & Orient at Total- Energies. � www.totalenergies.com


46 FILM & SHEET EXTRUSION | November/December 2024 IMAGE: SABIC


In contrast to traditional film solutions, single capacitors made with these films can operate at up to 150°C and 1,000 volts with stable performance. Working with Sabic, Nichicon imple- mented and tested the film in its capacitor designs to offer candidate components


to AC-DC inverter module manufacturers. “We are proud to be the first to develop a film capacitor that can withstand very high temperatures and voltages,” said Takashi Mori, general manager at Nichi- con’s XEV global design centre. “Our new capacitors


can help the industry realise the full benefits of silicon carbide and gallium nitride MOSFETs when used in AC-DC inverters for electric vehicles.” The development project for Nichicon’s film capaci- tors involved segmented metallisation of the film to help achieve 900-1000V. The film’s stable, inherent dielectric properties enable the capacitors to operate at 150°C – proven by 2,000 hours of reliability life testing at 150°C, and 3,600 hours at 130°C. � www.sabic.com


POLYPROPYLENE


EPO grants PP patent


to Nexam The European Patent Office (EPO) has granted a Nexam patent concern- ing recycled polypropyl- ene (PP). The patent, already in


force in Sweden, will now be extended to other countries in Europe, says Nexam. “This patent is a step


towards reinforcing our position as a leader in cleantech within the polymer space,” said Christer Svanberg, CTO at Nexam. “Our innova- tions in recycled PP enable our customers to meet or even exceed EU packaging recycling targets.” � www.nexamchemical.com


www.filmandsheet.com


IMAGE: TOTAL


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