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Sumitomo Chemical Builds New Pilot Facility for Chemical Recycling of Acrylic Resin

Published on 2023-01-03. Edited By : SpecialChem

TAGS:  Sustainability and Bioplastics    Automotive     Transparency    Appliances   

Sumitomo Chemical Builds New Pilot Facility for Chemical Recycling of Acrylic Resin Sumitomo Chemical has constructed a new pilot facility for chemical recycling of acrylic resin (polymethyl methacrylate or PMMA) at its Ehime Works in Niihama City, Ehime Prefecture, Japan.

Samples of chemically recycled methyl methacrylate or MMA monomer produced in this facility and acrylic resin made from the monomer will become available in spring 2023.

Reduced GHG Emissions with Preserved Quality

The Company will accelerate the development of a circular system for acrylic resin that integrates all steps, from collection of used acrylic resin, to recycling of the collected resin into a monomer material, to use of the material as products.

Acrylic resins, which possess the highest level of transparency among plastics, as well as superior weatherability and processability, are used in a wide range of applications, such as automobile tail lamps, home appliances, water tanks, liquid crystal displays (LCDs), and protective partition panels to reduce the spread of droplets. Meanwhile, as plastics are made from fossil resources, there is an urgent need to reduce greenhouse gas (GHG) emissions generated across the entire process, from production to disposal of plastics, as well as to promote the recycling of used plastics as resources.

Sumitomo Chemical has jointly developed with The Japan Steel Works, Ltd. (“JSW,” headquartered in Shinagawa-ku, Tokyo) a technology for pyrolyzing acrylic resin and recycling it, with high efficiency, into MMA monomer, which is a raw material for acrylic resin. The new pilot facility the Company has built at its Ehime Works is equipped with JSW's twin-screw extruder. Sumitomo Chemical will validate the technology to recycle acrylic resin at a high quality and work on scaling the production process. The recycled MMA monomer will have the same level of quality, and its GHG emissions over the entire product life cycle are expected to be at least 60% less, compared to MMA monomer manufactured from fossil resources.

Related Read: Chemical Recycling of Plastic Waste: Basis, Technologies & Advances

Circular System for Acrylic Resin

Sumitomo Chemical has also set out to build a circular system for acrylic resin, collecting acrylic plastic scraps and used acrylic resin from NIPPURA CO., LTD. (Miki-cho, Kita-gun, Kagawa Prefecture, Japan), a long-time business partner, as well as from major home appliance manufacturers, while also working to develop a customer base for acrylic resin made from the recycled MMA monomer. Going forward, Sumitomo Chemical will step up collaboration with partners in other industries on collection, recycling, and business development in order to accelerate the development of a circular system for acrylic resin.

In September 2022, Sumitomo Chemical launched the Meguri® brand for plastic products made with recycling technology, as part of its effort to contribute to building a circular economy. The Meguri® brand is put on products that meet certain criteria the Company has established, such as GHG emission reductions achieved. The chemically recycled MMA monomer produced in the newly constructed pilot facility and acrylic resin made from the monomer will be the first Meguri® brand products.

Going forward, acrylic resins obtained using recycling technology will be sold as Sumipex® Meguri®. In addition, acrylic resin sheets made with material recycling technology, handled by SUMIKA ACRYL Co., Ltd., a wholly owned subsidiary of the Company, will also be sold under the Meguri® brand, with SUMIKA ACRYL SHEET Meguri® scheduled to be launched in January 2023.

The Sumitomo Chemical Group has defined its contribution to reducing environmental impact as one of the material issues to be addressed as management priorities, and has been working on plastics recycling, including chemical recycling. The Group will expand the "Meguri®" product lineup and continue striving to contribute to building a circular economy.

Source: Sumitomo Chemical

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