THERMALLY CONDUCTIVE | COMPOUNDS


conducted a study to demonstrate the potential of engineering thermoplastics in driving down the costs of electrification within the boundaries of an existing EV platform, while at the same time rethinking the structure. The study resulted in the development of a


multi-material battery enclosure solution with a thermoplastic and organosheet sandwich cover panel, an all-thermoplastic injection moulded tray, and a metal underbody panel. Extensive virtual design and simulation cycles contributed to a database of all the functional and structural optimisation achievable at the component, system, and vehicle level. Following successful prototyping and physical testing of the final concept earlier this year, the system is currently undergoing comprehensive full-scale validation. Preliminary analysis has confirmed that the use of SABIC’s flame retardant Stamax long-glass fibre PP resin in the enclosure design can lead to a significant reduction in part count, saving manufacturers energy, reducing assembly costs, and optimising structural integrity. The material’s fire shielding performance was proven in flame tests at temperatures up to 1,000° C over five minutes.


SABIC and Lubrizol have developed compatible material solutions that combine soft and rigid materials, to be used in various applications in the consumer electronics and mobility industries, among others


Last year, SABIC’s Stamax 30YH570 resin earned


the UL Verified Mark from Underwriters Laboratories for marketing claims of thermal and mechanical performance, becoming the first polymer used in EV battery systems to do so. UL Verification, based on an objective, scientific assessment by a third party, instils confidence in the product’s flame delay performance, said the comoany. Although thermal runaway incidents are rare, the safety-conscious automotive industry is highly focused on prolonging the time available to


IMAGE: SABIC / LUBRIZOL


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