PIGMENTS | BLACK AND WHITE
Figure 2: Chart showing L, a, and b values of black coloured PP compounds containing different loadings of UPM BioMotion RFF in comparison with carbon black Source: UPM Biomaterials
Carbons expanding facilities in Italy and Germany. This expanded capacity will go into various applica- tions, including tyres and plastics.
Lower footprint Lower carbon-footprint alternatives to traditional carbon black use recycled sources. One method is to recover carbon black from used tyres. Birla Carbon, for example, is capturing carbon through pyrolysis of end-of-life tyres to make what it refers to as “Sustainable Carbonaceous Material”, which it has trademarked as Continua carbon black. Birla has partnered with Circtec, which is building a pyrolysis plant in the Netherlands, to make the product. Meanwhile, Rowa Masterbatch has introduced a new black masterbatch, Rowalid EcoPA-B095A Black rCB, using post-industrial recycled polyamide as a carrier for recovered carbon black (rCB) obtained from pyrolysis of tyres. WF Recycle-Tech, a UK-based company, has
patented a process for recovering carbon black from end-of-life tires. In 2021, the company partnered with Farrel Pomini to help develop the process. Nebraska, US-based Monolith is converting
natural gas into clean hydrogen and carbon black. The company says its process has a lower environ- mental impact because it uses 100% renewable electricity and a methane pyrolysis process that has low carbon dioxide emissions. The company recently completed the construction of a commer- cial plant in Nebraska and is aiming to expand internationally. It signed an agreement last year to pursue a joint venture with SK to produce clean hydrogen and carbon black in South Korea.
32 COMPOUNDING WORLD | November 2022
UPM Biochemicals has introduced its bio- based UPM BioMotion Renewable Functional Fillers (RFF), which are made from lignin from UPM’s biorefinery. One use of the RFF product is as an NIR-detecta- ble black pigment in plastics. According to the company, measurements show that UPM BioMo- tion RFF can provide good black colouring of plastics for different applications. Increased loadings lead to darker sample appearance, while reddish and yellowish hueare said to reach almost carbon black levels.
Plastics containing the BioMotion RFF black pigment have demonstrated good thermal stability in recycling experiments and UPM says it is currently producing pilot-scale quantities for sampling.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.chemours.com �
www.lanxess.com �
www.vibrantz.com �
www.heubach.com �
www.sunchemical.com �
www.shepherdcolor.com �
www.techmerpm.com �
www.ampacet.com �
https://chromacolors.com/ �
www.colourtone-masterbatch.co.uk �
www.cabotcorp.com �
www.birlacarbon.com �
https://orioncarbons.com/ �
www.rowa-group.com �
www.wfrecycle-tech.com �
www.monolith-corp.com �
www.upmbiochemicals.com
www.compoundingworld.com
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