MATERIALS | ENGINEERING THERMOPLASTICS
Comparison from Solvay of key sustainability data for PA66 and different Omnix grades Source: Solvay
an 80% reduction in GHG emissions by 2030 at the latest, compared with emissions in 2020. Ian van Duijvenboode, global segment director for the company’s e-mobility business, said Ascend is looking at various options for improving sustain- ability. “We can use bio-propylene as a raw material to further reduce carbon footprint. Emissions from plants are also being brought down.” Ascend says it will make available LCAs on virgin grades at the beginning of 2023. Ascend introduced ReDefyne at the show. This is
Comparison of various properties of Solvay’s Omnix ReCycle with virgin Omnix, PA6, and PA66 Source: Solvay
starting with Ryton PPS ReCycle MB and Amodel PPA ReCycle MB. At the beginning of this year, Solvay introduced a new Omnix high-performance polyamide (HPPA) compound family based on a minimum of 33% recycled content (PIR/PCR), which Solvay says is “highly secured and has a controlled process by the supplier.” A spokesman says material comes from a segregated process of chemical recycling. Principal target market is household appliances. Omni is a family of polyamides that bridge the cost-performance gap between PA66 (or PA6) and polyphthalamide, PPA. PA66 leader Ascend Performance Materials was also talking about PCFs at the K show. Its seven global compounding operations are already carbon neutral, and the company expects to reach
24 INJECTION WORLD | November/December 2022
a PA66 made using up to 100% post-industrial and post-consumer recycled material, much of it from old carpets. Van Duijvenboode says the supplier of the feedstock provides a consistent source of mate- rial. “This is the challenge with PCR [post-consumer recyclate]. We can also add PIR [post-industrial recyclate] to lower the carbon footprint.” ReDefyne products are third-party certified and Ascend is partnering with ITW Global Fasteners to pilot blockchain traceability through Plastic Finder’s Certified Circular Plastic program. “With ReDefyne, ITW is producing fasteners with a considerably lower carbon footprint,” says Christelle Staller, Ascend’s Sales Director for EMEAI. Lanxess says it is looking to use certified carbon footprints for identifying ways to reduce the level of greenhouse gases (GHGs) emitted during plastics production. New product ranges such as Durethan Blue, Durethan Eco or Pocan Eco are currently being extended that contain a significant proportion of circular (recycled or bio-based) raw materials or have a carbon footprint that is consid- erably smaller than conventional products. The sustainable origin of those raw materials is certified according to the ISCC Plus standard . The certification is coupled with mass balancing, which allows the share of sustainable material in the end product to be determined and subse- quently indicated in a transparent manner for
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