COMPATIBILISERS | MATERIALS
polymers typically found in packaging, such as poly- olefins, EVOH, polyamides and PET, to enhance the value of recycled and virgin materials. “It represents an ideal solution to upcycle mixed polymer feeds from post-industrial recycling or post-consumer recycling, but also from in-house waste, enabling the use of these recycled plastics into new or existing products without lowering end-properties,” says the company. The product can be added at various stages of
the recycling process: at the converter (in-house and pre-consumer recycling), during repelletisation with or without filtration at recyclers, or during reformulation at recyclers and at compounders. NGC says Acti-Tech 16MA11F has shown
improved dispersion and decreased domain size of polyamide and polyester particles in polyolefin matrices (typical PA/PE ratio of 40/60). “Moreover, the addition of 4% Acti-Tech compatibiliser 16MA11F in recycled barrier film – LDPE(60%)/ PA(30%)/EVOH(10%) – demonstrated a high recovery of film and optical properties compared to non-compatibilised mixtures, as well as cost saving compared to virgin material,” says Business Development Manager Quentin Le Piouff.
The additive is being tested on various pre-con-
sumer, post-industrial and post-consumer waste streams, not only multilayer barrier film packaging but also shrink sleeves, blow moulded cosmetic and plant protection chemical containers, rigid packaging, reinforced/multiwall tubes and hoses, as well as fish nets, mats and carpets. Another part of ExxonMobil’s polymer modifier
range, the Exxelor portfolio, was acquired by The Compound Company in March. Exxelor grades are chemically modified polyolefin-based resins (MA-functionalised PP, for example) used to enhance the performance of engineering thermo- plastics and other polymers. They can be used as impact modifiers as well as compatibilisers, coupling agents and adhesion promoters, where they increase the bonding strength of non-polar polymers with polyolefins, fillers and reinforce- ments as well as metals, thermoset rubbers and most polar substrates, including glass. “We are in the middle of embedding the new business into our existing workflow, while keeping customers happy,” says Business Development Manager Frank Huijnen. “We have many plans regarding adapting our coupling agents. Tight-
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