COMPATIBILISERS | MATERIALS
both properties using high polarity and reactive functional polyolefins, such as Lotryl acrylate copolymer and Lotader reactive polyolefins.” The company says that it has developed several
compatibilisers that perform well in both virgin polymers and recyclates. Lotryl 29MA03T resin is the most recent introduction, which is mainly used for styrenics, ABS and HIPS, but also for styrenic alloys such as PC/ABS. Lotryl 28BA700T copolymer has been designed to increase the fluidity of virgin and recycled technical resins, such as polyamides, thermoplastic polyesters and styrenics. While a well-established product, Lotader AX8900 epox- ide-modified resin, is increasingly used to fine-tune the rheology of recycled styrenics and thermoplas- tic polyesters used in extrusion applications. Due to their high polarity and reactivity, SK Functional Poly- mer adds that its functional resins are compatible with a wide range of thermoplastics, which makes them good additives in plastics. The company is still fine-tuning the use of these resins in recycled polymers. Other recent successes include the use of Lotryl copolymers to improve the impact resistance of recycled ABS, even when contaminated with other
resins such as HIPS, homo-polystyrene or polypro- pylene. The impact resistance can be increased by 50-100% depending on the initial recycled ABS and the loading of the Lotryl additive. The company adds that its focus in 2023 is on
recycled styrenics. In addition, there is a current significant effort on the recycling of PE/EVOH or PP/EVOH blends to find some solutions for recycling oxygen-barrier films used in the food packaging industry. This is extremely challenging because to recycle these heterogeneous films, the technical solutions need to meet the mechanical performance but also some aesthetics require- ments, such as the absence of optical defects.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.kraton.com �
www.4kenrich.com �
www.thecompoundcompany.com �
www.byk.com �
www.evonik.com �
www.interfacepolymers.com �
www.intermixperformancematerials.com �
www.ngc-nordic.com �
www.sk-fp.com
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