INNOVATION | CARBON BLACK
Right: Tyre-derived Bolder Black straight off the production line
recovered carbon black from tyre pyrolysis and reduce rCB agglomerations and particle size, as well as reducing zinc and silica and removing impurities. The company claims to be working with “several of the largest global tyre manufactures, rubber and plastic automotive parts suppliers, along with numerous other supply line producers and end users.”
Below:
Manufacturing equipment and chemical processing systems at Bolder
Industries in the US
Bolder solutions Maryville, Missouri, US-based Bolder Industries claims to have perfected a carbon black produced from post-consumer or post-industrial tyres and rubber scrap for use as and a black pigment in plastics and a semi-reinforcing rubber filler. “To date, more than half of our annual commercial production is dedicated for use in the plastic industry as black masterbatch,” says Chief Technol- ogy Officer Nate Murphy. “To fulfil the market’s appetite in both rubber and plastics, our Maryville facility is currently undergoing an expansion scheduled for comple- tion by Q3 2020, which will nearly triple our annual production capacity,” he says. “After a year of achieving 100% in-spec product and 85% uptime, our fully vertically integrated solution, including our own core technology, is ready for market scale. While our first manufacturing plant is undergoing its planned expansion, we also have a permitted site in the US that is finalising its construction timeline in parallel with plants in Europe and Asia.” Bolder has also opened its Bledsoe Innovation
Center, a fully equipped compounding laboratory dedicated to incorporating sustainable materials such as its Bolder Black into plastic and rubber reci- pes. “We built this for our customers to help guide them through the challenging process of incorpo- rating sustainable materials into their current
process while meeting the rigorous standards of the end products,” Murphy says. Production of Bolder Black is said to use at least 90% less water and to emit at least 90% fewer greenhouse gasses than traditional carbon black, figures it claims are supported by certified lifecycle analysis. “Different from other recovered carbon black producers, who also have the core technology to convert scrap tyres into recovered carbon black, only Bolder Industries has a fully commercial, operational manufacturing facility that begins with whole tyre acceptance and ends with pelletised Bolder Black, petrochemicals, steel and power the feeds our facility and local community,” Murphy claims.
In September this year,PolyOne announced availability of its OnColor RC Environmental Black, which is produced using Bolder Industries’ Bolder Black. PolyOne says that when used in place of traditional carbon black, OnColor RC Environmental Black “maintains expected performance levels in plastics. It passes REACH and RoHS requirements and is available for use in multiple resins across a variety of industries and applications, such as automotive, appliances, electronics, and office furniture.” Start-ups are also trying to get into the rCB
market. Carbon Recovery in Austria has devel- oped its own pyrolysis process and says it has a tried-and-tested pilot plant that it plans to install near Vienna that will be capable of handling 8,000 tonnes of old tyres per year. From next year, it plans to build further recycling plants at selected locations in Austria and worldwide—it estimates that some 1.5bn tyres are discarded every year round the world. The company started a crowd-funding campaign last year, which it says led to more than 300 investors contributing close to €300,000.
32 COMPOUNDING WORLD | November 2019
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www.compoundingworld.com
PHOTO: BOLDER INDUSTRIES
PHOTO: BOLDER BLACK
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