Asahi Kasei to produce S-SBR using butadiene derived from plastic waste
Chemical

Asahi Kasei to produce S-SBR using butadiene derived from plastic waste

Supply agreement for sustainable butadiene concluded with Shell

  • By ICN Group | November 24, 2021

Asahi Kasei concluded an agreement with Shell Eastern Petroleum (Shell) regarding the supply of butadiene derived from plastic waste and biomass (sustainable butadiene). Asahi Kasei plans to begin producing and marketing sustainable solution-polymerized styrene-butadiene rubber (S-SBR) using the sustainable butadiene at its plant in Singapore by the end of fiscal 2021.

S-SBR is a type of synthetic rubber used mainly for high-performance fuel-efficient tires (eco-friendly tires). Demand for eco-friendly tires is growing worldwide with stricter environmental regulations and heightened environmental awareness. By enhancing fuel-efficiency performance while maintaining safety performance, S-SBR is recognized as an optimum material for eco-friendly tires.

To accelerate efforts for decarbonization to achieve carbon neutrality by 2050, the automotive industry is transitioning to electric vehicles while the tire industry is further improving the fuel-efficiency and wear resistance of tires. Against this background, there is rising demand for greater sustainability of S-SBR as a material for eco-friendly tires.

Asahi Kasei continues to focus on technological developments for high-performance S-SBR products that enable further improvements to fuel efficiency and wear resistance, in order to meet requirements for increased driving range and mass production of electric vehicles.

Moreover, Asahi Kasei has sought to transition to sustainable feedstock in order to reduce CO2 emissions throughout its supply chain. Shell is working to reduce CO2 emissions during production of chemicals and realize a circular economy with the goal of becoming a net-zero emissions energy business by 2050, in step with society. Shell will produce sustainable butadiene by mass balance method in two ways at Shell Energy and Chemicals Park Singapore, located on Bukom. The first is a method of converting plastic waste into pyrolysis oil and feeding it to its Ethylene Cracker Complex, and the second is using bio-feedstock as a feed.

Asahi Kasei will be the world’s first company to use butadiene derived from plastic waste, and the first Japanese company to use butadiene derived from biomass, for S-SBR production (according to internal research).

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