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      High-performance composite tapes

      Source:Plastics News Asia     Date:2020-09-07
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      Jiangsu Hansu New Material Co., Ltd. introduced at China Composites Expo 2020, its new family of high-performance, unidirectional (UD) composite tapes — H-poly-Stallone-CF7000_PEI — made with continuous carbon fiber and SABIC’s ULTEM? 1000F3SP powder.

       

      Jiangsu Hansu, a leading thermoplastic composites manufacturer based in Suzhou City, Jiangsu Province, worked with SABIC to develop the new UD tapes for potential use in high-performance aerospace applications such as seat frames and luggage compartments. As a possible replacement for metal, these UD tapes provide opportunities to reduce weight, improve fuel efficiency and support sustainability—key goals for the aircraft industry.

       

      SABIC’s ULTEM? powder, a special form of advanced polyetherimide (PEI), elevates the performance of tapes by supplying inherent flame retardance, long-term heat stability, outstanding strength and stiffness, and dimensional stability.

       

      During the manufacturing process, Jiangsu Hansu combines continuous carbon fibers with ULTEM? 1000F3SP powder, a product offering Restriction of Hazardous Substances (RoHS) compliance and a glass transition temperature (Tg) of 217oC. The easy dispersion of ULTEM? 1000F3SP powder in water makes it possible to create a homogeneous slurry that is uniformly distributed among the carbon fibers. The resulting composite tape has highly consistent properties, which are critical for demanding aerospace applications.

       

      UD tape Sabic.jpg

      SABIC also produces ULTEM? resin in injection molding grades. Injection molded components can then be thermoformed with UD composite tape and over-molded with functional elements—all with the same polymer. The advantages of this approach include the potential for recyclability and a high level of design flexibility.

       

      Polyetherimide is one of the highest-performing thermoplastics in commercial production. It is an amorphous polymer with a very high Tg (around 70°C higher than polyetheretherketone (PEEK)) and provides excellent impact resistance. It also provides outstanding flame, smoke and toxicity (FST) performance, as confirmed in standard Ohio State University (OSU) tests.

       


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