Western Europe largest market for biodegradable plastics as region tightens restrictions on plastic shopping bags; regulation is most significant demand driver
Led by Western Europe, increasing regulations and bans against plastic bags and other single-use plastic items such as drinking straws is driving growing demand for biodegradable plastics, according to new analysis from IHS Markit (Nasdaq: INFO), the leading global source of critical information and insight. The current market value of biodegradable plastics exceeds $1.1 billion in 2018, but could reach $1.7 billion by 2023, the report says.
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World consumption of biodegradable polymers by region - 2018. Source: IHS Markit
Biodegradable or compostable polymers are bio-based or fossil-fuel-based polymers (plastics) that undergo microbial decomposition to carbon dioxide and water in industrial or municipal compost facilities. A few of these polymers decompose in backyard compost bins or in soil, freshwater or saltwater.
The food packaging, disposable tableware (cups, plates, and cutlery) and bags sector is the largest end-use segment, as well as the major growth driver for biodegradable polymer consumption. This segment will benefit from local restrictions on plastic shopping bags and will achieve double-digit growth. Compost bags are the second most important end-use for biodegradable polymers. This market segment will experience strong growth thanks to the gradual expansion of composting infrastructure and growing interest in diverting organic waste such as leaves, grass clippings and food waste from landfill, according to the IHS Markit Chemical Economics Handbook: Biodegradable Polymers Report.
Foam packaging, which includes starch-based loose-fill packaging (packing peanuts), is a significant end-use for biodegradable polymers in Western Europe and North America; mulch films and other agricultural applications are important end uses in Western Europe and Asia. Smaller-volume markets include paper coatings for cups and cartons, as well as textiles, nonwoven fabrics, resorbable medical devices such as sutures and implants, downhole tools for oil and gas field operations, and 3-D printing filament.
In 2018, global demand for these polymers is 360,000 metric tons, but total consumption of biodegradable polymers is expected to increase to almost 550,000 metric tons by 2023, representing an average annual growth rate of 9 percent for the five-year period, which is equivalent to a volume increase of more than 50 percent from 2018 to 2023.
Western Europe, with the world’s strictest and increasingly stringent regulations for single-use plastics, commands 55 percent of the global market value in 2018 for these specialty biodegradable polymers, followed by Asia and Oceania (Australia and New Zealand) at 25 percent, then North America at 19 percent of consumption, with the rest of the world combined for less than 1 percent of demand.
“Biodegradable plastics, which are largely starch-based compounds or polylactic acid (PLA)-based materials, have become more cost-competitive with petroleum-based plastics and the demand is growing significantly, particularly in Western Europe, where environmental regulations are the strictest,” said Marifaith Hackett, director, specialty chemicals research at IHS Markit and the report’s lead author. “However, the demand for these biodegradable polymers is still a drop in the bucket when you compare it to demand for traditional plastics such as polyethylene (PE).”
According to IHS Markit, global demand for PE, the world’s most-used plastic, has nearly doubled during the last 20 years. IHS Markit expects 2018 global PE demand to exceed 100 million metric tons (MMT). However, significant new market pressures, including a rise in consumer expectations around sustainability, along with tightening environmental regulations in mature markets such as Europe and key growth markets such as China, could threaten future demand growth.
“The properties and processability of biodegradable polymers have improved, allowing the use of these materials in a broader range of applications, but legislation is the single most important demand driver for these plastics,” Hackett said. “Restrictions on the use of non-biodegradable plastic shopping bags in Italy and France have led to a significant increase in the consumption of biodegradable polymers in those countries, and we expect European countries will continue to lead in legislative restrictions.”
In contrast, Hackett said, biodegradable polymer use has grown more slowly or stagnated in places that lack mandates. “Growing consumer awareness and activism regarding environmental issues could certainly increase the market for biodegradable plastics,” she said. “To truly capture the benefits of these biodegradable polymers, however, you need to have the collection and composting infrastructure to support their use. Very few major cities or municipalities currently have the necessary infrastructure in place.”
Hackett said it is important to understand that many biodegradable polymers are compostable only in special industrial composting facilities, which operate at higher temperatures than home compost piles. “Only a subset of biodegradable polymers is compostable in backyard compost bins; an even smaller subset is compostable in the soil or in marine environments,” Hackett said.
Despite the positive potential of biodegradable polymers, they are still mostly taking a backseat to other sustainability approaches, such as reducing plastics consumption and recycling, Hackett said. “For various reasons, which may include consumer confusion regarding bio-based plastics versus biodegradable polymers, there is not as much demand for these more sustainable plastics as you might expect, despite heightened public awareness of the plastics waste issue,” she said. “In addition, suitable disposal options for products made from biodegradable polymers are often lacking. The cost of establishing the infrastructure necessary to support their collection and composting remains a barrier to demand growth.”
Mandatory composting programs can contribute to demand growth for biodegradable polymers, the IHS Markit report said. These programs divert organic waste from landfill, thus reducing greenhouse gas emissions from landfill sites. The expansion of composting programs can spur demand for compostable trash bags and food service ware, both important end uses for biodegradable polymers. The shortage of composting facilities that are capable of processing biodegradable polymers limits the positive impact of mandatory composting programs on biodegradable polymer demand.
“More legislation is likely coming in Europe or at the E.U. level, and if that occurs, we could see major changes in this industry and pushback from producers of traditional plastic products,” Hackett said. “The last time we at IHS Markit assessed the global demand for biodegradable polymers, we noted the U.S. was the largest driver of demand growth for this segment, but due to legislation, Europe is by far the leading demand center. Europe is the place to watch, as Europeans are particularly motivated to reduce marine litter.”
The issue of plastics and sustainability will be a key topic of discussion at the upcoming 6th Annual Global Plastics Summit (GPS) 2018, October 30 – November 1, in Chicago. Experts from IHS Markit and the Plastics Industry Association will discuss the latest market outlooks from key industry sectors, and will feature senior business leaders sharing their companies’ strategies for success and innovators presenting the latest in plastics technologies. Bob Maughon, R&D vice president, Packaging and Specialty Plastics and Hydrocarbons, The Dow Chemical Company, will discuss sustainability as a catalyst for innovation in packaging. Don Thomson, president of The Center for Regenerative Design and Collaboration, will address turning plastic waste into building blocks.
The biodegradable polymers industry is affected by several major drivers in the environmental area: solid-waste disposal patterns, existing and potential legislation, and consumer attitudes and behavior. The evolution of these factors and their impact on the biodegradable polymers industry differ in each region of the world.
In the U.S., landfilling is the most common method of municipal solid waste (MSW) disposal. According to the U.S. EPA, landfill accounted for 53 percent of total MSW in 2014 (the most recent year for which data is available). Materials recycling accounted for 26 percent, and combustion with energy recovery at 13 percent were next in order of importance. Composting accounted for 9 percent of MSW disposal.
Composting has the potential to become a more important means of MSW disposal, especially for food waste and yard trimmings. According to the IHS Markit report, together, these two categories of waste accounted for 28 percent of U.S. MSW generation in 2014! In the case of yard trimmings, 31 percent of the waste generated was landfilled, while 61 percent was composted, and the remaining 8 percent was combusted with energy recovery.
Composting of plastics waste was negligible in 2014. Landfill was the primary method of disposal, responsible for 75 percent of plastics waste in the U.S. Combustion with energy recovery was 15 percent, and recycling accounted for 9 percent of the remainder.
“Biodegradable or compostable polymers can play a role in diverting waste from landfills. For example, biodegradable pods for single-serve coffee makers simplify disposal of used capsules; compostable trash bags can control odors, minimize mess, discourage pests, and otherwise reduce the 'yuck' factor associated with residential composting programs,” Hackett said. “Diverting organic waste from landfill reduces emissions of methane—which is a potent greenhouse gas. We at IHS Markit expect biodegradable or compostable plastics will increasingly be an important part of the sustainability solution, but much of their advancement and adoption will depend on legislation as well as consumer attitudes and behavior.”
Concerns about plastic waste in the environment are contributing to demand for biodegradable polymers worldwide. In 2015, China’s Jilin Province issued a ban on non-biodegradable plastic bags and food service items, boosting bioplastics manufacturing in China. In addition to local policies, there are also favorable policies for biodegradable polymers at the national level.
In India, the biodegradable polymer market is still at a preliminary stage, with few players in the segment. However, India seems to be taking the lead in Asia as it relates to plastic bag bans, although enforcement is sometimes questionable. In 2012, the Delhi government issued an order imposing a ban on the use, storage, sale and manufacture of single-use plastic carrier (shopping) bags in the city. In other parts of the country, use of these bags is a finable offense, but despite this, change is, as of yet, barely visible on the ground. India has a significant challenge with plastic pollution and mismanaged municipal waste.
The major manufacturers of biodegradable polymers include NatureWorks (a joint venture of Cargill and PTT Global Chemical), Novamont, BASF, and PTT MCC Biochem Co., Ltd., a joint venture of PTT Public Company Ltd. (the parent of PTT Global Chemical) and Mitsubishi Chemical Corporation.
In addition, TOTAL Corbion PLA, a joint venture of energy producer TOTAL and lactic-acid producer Corbion, plans to start up a world-scale polylactic-acid facility in Thailand by the end of 2018. The U.S. accounts for the bulk of production for these polymers, but Thailand, with its proximity to growing markets in Southeast Asia, its expanding bio-economy, favorable investment climate, stable government, and access to cost-effective sugarcane feedstocks for fermentation, is becoming an increasingly important contributor to the biodegradable polymers market, the IHS Markit report said.
To speak with Marifaith Hackett or IHS Markit report co-authors Takeshi Masuda and Lei Zeng, please contact Melissa Manning at firstname.lastname@example.org, or email@example.com. For more information about the IHS Markit Chemical Economics Handbook: Biodegradable Polymers Report, please contact firstname.lastname@example.org.
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