PVC | PLASTICISERS
With its newly introduced Hexamoll DINCH CcycledTM, BASF is also offering a version of its well-known non-phthalate plasticiser based on chemically recycled feedstock. In this case, pyrolysis oil obtained from non-recycled plastic waste replaces fossil resources (the oil is supplied by partners as part of BASF’s ChemCycling project). The allocation to CcycledTM sales products is also done using a third-party certified mass balance approach. “CO2
Claimed CO2 emission savings for BASF BMB plasticisers Source: BASF
data to Environmental Product Declarations (EPDs), and that is where we can help,” he explains. And traceability demands extend beyond construction. “The automotive industry demands high traceability throughout its value chains. Also here we can offer accurate and reliable GHG data together with a strict control of our suppliers of renewable raw materials,” Hansson says.
Circular moves Part of the BASF plasticiser portfolio is also now based on sustainable inputs, which the company refers to as “circular feedstocks.” In this respect, either renewable or chemically-recycled feedstock is used at the beginning of the value chain instead of fossil resources. In common with Perstorp and others, this alternative feedstock is allocated to the sales product according to a mass balance approach. “The mass balance approach enables us to
Right:
Eastman’s DOA Renew 20 plasticiser contains a certified 20% recycled content and is especially suitable for food contact
process renewable and recycled feedstocks together with fossil raw materials in our existing efficient production network and to allocate their share to specific products,” says Diana Brunnen- kant, Head of Marketing Plasticisers EMEA at the company.
BASF has launched a number of biomass balanced (BMB) plasticisers based on renewable raw materials under the names Hexamoll DINCH BMB, Palatinol N BMB, Palatinol 10-P BMB and Plastomoll DOA BMB. In place of fossil resources, an amount of bio-naphtha or biogas derived from organic waste or vegetable oils is used in their production. The company says that its biomass balanced plasticisers offer a lower carbon footprint than conventional alternatives. Both its mass balance approach and the BMB plasticisers are certified according to the REDcert2 certification scheme.
28 COMPOUNDING WORLD | August 2021
www.compoundingworld.com
emissions are saved when manufacturing plastics [and other chemical products] based on pyrolysis oil instead of naphtha. The lower emis- sions result from avoiding the incineration of mixed plastic waste,” according to Matthias Pfeiffer, Head of Technical Marketing Plasticisers Europe at BASF. “Pyrolysis of mixed plastic waste emits 50% less CO2
than incineration of mixed plastic waste.”
Certified recycled A similar approach is being adopted at Eastman. It is introducing three new plasticisers with certified recycled content. The plasticisers offer identical performance to the company’s legacy products but with a 20%–59% recycled content. Eastman 168 Renew 20 non-phthalate plasticiser — which has 20% certified recycled content — is intended for use in end markets such as roofing, wallpaper and flooring. Eastman DOA Renew 20 plasticiser also offers a 20% certified recycled content. It provides flexibility at low temperatures and is especially suitable for food contact applica- tions. Eastman Triacetin Renew 59 — with a 59% certified recycled content — is intended for use in food packaging adhesives and food wrap film applications. The new plasticisers have food contact clear-
ance from the US FDA and the European FSA and all three are described as drop-in replacements for legacy petroleum-based products (Figure 1). As
IMAGE: SHUTTERSTOCK
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