INNOVATION | AUTOMOTIVE
MCC Evaluation of PCR Repro TPO-Paint from Geo-Tech Properties
Test
Physical Specific Gravity, g/cc Ash Content
Mechanical Tensile Modulus, MPa Tensile Break, MPa
ISO 1183 ISO 3541
ISO 527-1 ISO527-1
Ultimate Tensile Strength, MPa ISO 527-1 Elongation @ Break, % Flexural Modulus, MPa Flexural Strength, MPa
ISO 527-1 ISO 178 ISO 180
Unnotched, Izod Impact, (kJ/m2 • @ 23°C • @-30°C
Notched, Izod Impact, (kJ/m2 • @ 23°C • @-30°C
Rheological Melt Flow Rate
(230°C/2.16 kg) g/10 min.
Right: The fifth-generation Nissan Micra features parts made with Luxus PP compounds that include recyclate
recycled material could not directly replace virgin TPO in a high-demand application, we found that the material was very strong, and could be used for less-intensive applications on vehicles or serve as a feedstock for products in other sectors. These results are extremely encouraging for our ultimate goal — to create a large-scale recovery model for automotive plastics — and marks an important step in the plastics industry’s work to make sure all plastic materials — including bumpers — are put to their highest and best use.” The testing of physical and mechanical proper- ties in Phase 1 has attracted enough interest from compounders and potential end users to justify further project work. The demonstration of eco- nomic and technical feasibility in Phase 1 is now being followed by Phases 2 and 3. These phases are aiming to prove replicability and scalability of the ELV plastics model in the project. Polyolefins represent the biggest potential gains in volume terms for companies trying to increase plastics recycling. This is true not just in automotive, where polypropylene applications are abundant, but in other sectors too. This is one of the reasons that major producers of virgin polyolefins have entered the recycled polymer sector recently, such as Borealis and LyondellBasell acquiring European plastics recycling companies. Repsol is the latest polyolefins major to join this trend, although not via an acquisition. The PP producer has initiated the Reciclex project in ELV plastics recycling. In April Repsol signed a collaboration agreement with
32 PLASTICS RECYCLING WORLD | July/August 2018 ) ISO 180
No Break No Break
) ISO 180
– –
ISO 1133
33.75 8.75
25
– –
Method PP/EPDMT 10 0.96 10(+/-2)
1000 12 _
80 – –
0.9975 13.7
1365 14 18 50
1,495 25
Mercedes Spec. Reprocessed TPO
plastics recycler Acteco and CATV (the Authorised Vehicle Treatment Centre) in Spain to recover and reuse polymers from ELV cars. This is intended to guarantee the supply of homogeneous materials for Repsol to investigate the possible development and commercialisation of polyolefins with a percentage of recycled product from used vehi- cles. Repsol is aiming to incorporate the recycled materials in the products it sells, including its range for the automotive sector. Compounders are key materials suppliers to automotive and many have been working hard to meet the demanding standards set by car compa- nies in the use of recycled content. Luxus in the UK is one compounder that has demonstrated its expertise and rigorous quality control in the development and supply of PP compounds with recycled content. One Luxus project involves use of a PP grade with a minimum of 30% recyclate for a door part on the fifth-generation Nissan Micra being built at Renault’s Flins plant north-west of Paris. Formed in 2016, the Renault-Nissan Purchas- ing Organisation (RNPO) led the materials purchas- ing decision for the new Micra, a joint activity between Renault and Nissan that established an agreed Alliance Standard for all similar vehicles across the brands. The RNPO set the PP material specification required for the vehicle’s interior parts. Mark Ellis, Materials Technical Specialist at
Nissan Technical Centre Europe, says: “When it came to the Micra’s visual interior components, the materials team needed a cost competitive, yet sustainable materials option able to offer excellent
light-weighting to help reduce CO2 emissions. As well as these requirements, we also wanted high impact performance, rigidity and excellent scratch resistance for a high quality finish.” Terry Burton, Technical Manager at Luxus, says: “Our 60% environmentally positive PP grade 16623 approved by Nissan required further technical adjustment to meet the specific demands of Renault-Nissan’s materials team. For example, it required
www.plasticsrecyclingworld.com
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