Polyethyleneimine Market Size and Trends 2025- 2032.
The Polyethyleneimine Market is estimated to be valued at USD 459.2 Mn in 2025 and is expected to reach USD 568.6 Mn in 2032, exhibiting a compound annual growth rate (CAGR) of 3.1% from 2025 to 2032.
Key Takeaways
Market Overview
The term polyethyleneimine is also known as polyaziridine. Polyethyleneimines consist of a repeating unit with a cyclic amine group and two aliphatic carbon CHâ‚‚CH‘ ‚‚ ‚ spacers. Linear polyethyleneimines have all secondary amine groups, while branched polyethyleneimines contain primary amino groups. Increasing government regulations around water quality and wastewater management are driving the adoption of PEI in water treatment. In particular, municipalities and industrial plants are adopting PEI-based solutions to meet environmental standards.
Current Events and Its Impact
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End-Use Application of Polyethyleneimine Market
Polyethyleneimine Market Insights, by Type: Rapid Industrialization is Driving the Branched Segment’s Growth.
Based on Type, the Branched segment currently has the largest market share, with 73.40% of revenue in 2025. The growth of this segment can be attributed to the strong chemical structure that provides a high density of amino groups. The polymer known as branched polyethyleneimine (BPEI) is made up of repeating units of ethylene diamine groups. BPEIs are solids and contain primary, secondary, and tertiary amino groups. The primary amines on BPEIs are used to form covalent connections with carboxyl-functionalized nanoparticles, resulting in a firm, strongly positively charged BPEI surface. By effectively acting as a crosslinker, they improve the tensile strength, cohesiveness, and moisture resistance of adhesives, paints, coatings, etc. The versatility and cost-effectiveness of the branched segment significantly contribute to its adoption across multiple industries such as water treatment, paper production, detergents, etc.
Polyethyleneimine market insights, by Application: Rise in Water Purification Solutions is Driving the Water Treatment Chemicals Segment’s Growth.
Based on Application, the Water Treatment Chemicals segment is expected to dominate the market in 2025. The dominance of Water Treatment Chemicals in 2025 is primarily driven by the rise in demand for water purification and wastewater management solutions, which can be achieved through the use of Polyethyleneimine. As it has an excellent chelation, making it ideal for removing any impurities, metals, contaminants, etc. For instance, in January 2024, Membion, a German wastewater recycling company, bagged a €5 million investment. The investment was led by TechVision Fonds and DeepTech & Climate Fonds, focusing on the expansion of Membion’s production capacity and offering advantages in water and wastewater treatment. Such innovations highlight the critical role played by PEI in enhancing wastewater management and addressing global needs.
Regional Insights
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Asia-Pacific Polyethyleneimine Market Analysis and Trends
Asia Pacific held a dominant position in the global polyethyleneimine market in 2025, accounting for 54.70% share in terms of volume, followed by North America and Europe, respectively. Driven by the rapid industrialization and urbanization in countries such as China, India, and Japan. The region is home to a large number of end-use industries that require polyethyleneimine, such as water treatment, textiles, and adhesives. China is leading the Polyethyleneimine market revenue due to a variety of different reasons, including its large manufacturing base, government regulations on environmental norms for managing wastewater discharge and industrial effluents, etc. Moreover, a rise in the e-commerce sector in China is fueling the need for adhesives and packaging materials, thus requiring polyethyleneimine. Meanwhile, India, too, is experiencing rapid urbanization, infrastructural development, which in turn is leading to the rise in the need for effective water purification solutions. Polyethyleneimine is widely used in the country, not only for water treatment but also in skincare and haircare products. India’s Make in India mission and a step towards industrial self-reliance are also adding to the chemical consumption. For instance, in April 2024, the President of India officially launched the country’s first home-grown gene therapy for cancer at IIT Bombay. PEI plays an important role in gene therapy applications and is commonly used as a non-viral vector in delivering genetic materials into the cells.
North America Polyethyleneimine Market Trends
North America is a mature market for polyethyleneimine, with a well-established industrial base and a high degree of technological advancement. It is the second largest market by region, accounting for around 19.3% of the global market share. The growth of the market in this region can be attributed to the well-established industrial ecosystem, technical advancements in the region, and strict environmental regulations. The North America market has two major countries leading it- the U.S. and Canada. While the U.S. is the leading market for PEI, owing to major applications in adhesives and water treatment. Canada also follows closely, growing rapidly through investments in eco-friendly technologies and clean water initiatives. In January 2024, the Government of Canada announced the launch of the Canada Water Agency and a $650 million investment over 10 years in the Freshwater Action Plan to protect and restore water quality and ecosystems in key watersheds nationwide. This is further driving the adoption of PEI. Besides this, PEI also finds its application in the paper industry of the country, which is a major contributor to the country’s economy. Not only this PEI also finds its applications in a variety of different markets.
Polyethyleneimine Market Trends
Increasing demand from the construction industry and a rise in construction activities
Increasing demand from the construction industry and a rise in construction activities are expected to propel the market growth. As per the statistics provided by the U.S. Census Bureau and the U.S. Department of Housing and Urban Development, privately owned residential units authorized by building permits were at a seasonally adjusted annual rate of 1,873,000 in December 2021. Single-family permits were granted at a rate of 1,128,000 per year. Unit authorizations in structures with five or more units were at an annual rate of 675,000. Building permits approved an expected 1,724,700 housing units in 2021. This number was 17.2% higher than the 2021 forecast of 1,471,100. This is further propelling the polyethyleneimine market demand.
Penetration of electric vehicles
The penetration of electric vehicles is expected to boost market growth. As EV manufacturers are using more plastics instead of conventional vehicles to achieve the lightweight and improve efficiency, there is a direct rise in th consumption of PEI, as it is a crucial polymer. According to the International Energy Agency, in 2030, global electric vehicle sales are expected to reach 125 million as per the New Policies Scenario (excluding two- and three-wheelers). In the EV30@30 Scenario, in 2030, around 70% of the vehicle sales in China are expected to be EVs. This is further escalating the polyethyleneimine market share.
Polyethyleneimine Market Drivers
Growing demand for detergents
The growing demand for detergents is primarily fueling the growth of the polyethyleneimine market. Polyethyleneimine is used in detergent compositions for enhanced stain removal. Detergent compositions containing polyethyleneimine provide enhanced removal of organic stains, particularly polyphenolic stains such as morello juice (cherry juice), blueberry juice, red wine, tea, and coffee.
Increasing demand for water treatment chemicals
Increasing demand for water treatment chemicals is again projected to foster market growth. According to UNICEF, about 4 billion people, or approximately two-thirds of the world's population, experience water scarcity for at least one month each year. More than 2 billion people live in countries where water supplies are scarce. Half of the world's population could be living in areas facing severe water shortages in 2025, with 700 million people being displaced by intense water scarcity by 2032. Therefore, water treatment has become necessary over the years.
Global Polyethyleneimine Market - Opportunities
Increasing development of polyethyleneimine-nano silica composites
The increasing development of polyethyleneimine-nanosilica composites is expected to offer lucrative polyethyleneimine market opportunities. For instance, scientists are focusing on developing novel solvents and solvent combinations exhibiting lower volatility, better thermal stability, lower corrosive characteristics, a lower degradation rate, and reduced regeneration costs. Adsorption by polyethyleneimine nano-silica composites, such as SBA-15-supported PEI and MCM-41-supported PEI, constitutes an attractive solution owing to minimal utilization of regeneration energy, high capture capacity and selectivity, processing convenience, cost-effectiveness, and reduced environmental impact.
Rapid growth in the personal care and cosmetic industry
Rapid growth in the personal care and cosmetic industries is expected to bring profitable growth opportunities. According to Invest India, India's beauty and personal care product industry is currently valued at USD 26.8 billion and is expected to grow to USD 37.2 billion by 2025. According to Forbes India, the beauty and personal care industries received USD 264 million in financing in the seven months ending July 2021, up from USD 106 million in the entire year of 2021.
Market Report Scope
Polyethyleneimine Market Report Coverage
Report Coverage | Details | ||
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Base Year: | 2024 | Market Size in 2025: | USD 459.2 Mn |
Historical Data for: | 2020 To 2024 | Forecast Period: | 2025 To 2032 |
Forecast Period 2025 to 2032 CAGR: | 3.1% | 2032 Value Projection: | USD 568.6 Mn |
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Companies covered: |
BASF SE, Dow, FUJIFILM Wako Pure Chemical Corporation, Gongbike New Material Technology (Shanghai) Co. Ltd, NIPPON SHOKUBAI Co. Ltd, Polysciences, Inc., SERVA Electrophoresis GmbH, Shanghai Holdenchem Co., and WUHAN BRIGHT CHEMICAL Co. Ltd |
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Key Developments
Analyst Viewpoint
Market Segmentation
Primary Research Interviews
Databases
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Public Domain Sources
*Definition: Polyethylenimine, or polyaziridine, is a polymer with repeating units composed of the amine group and two carbon aliphatic CHâ‚‚CH‘ ‚‚ spacers. Linear polyethyleneimines contain all secondary amines, in contrast to branched PEIs, which contain primary, secondary, and tertiary amino groups.
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About Author
Vidyesh Swar is a seasoned Consultant with a diverse background in market research and business consulting. With over 6 years of experience, Vidyesh has established a strong reputation for his proficiency in market estimations, supplier landscape analysis, and market share assessments for tailored research solution. Using his deep industry knowledge and analytical skills, he provides valuable insights and strategic recommendations, enabling clients to make informed decisions and navigate complex business landscapes.
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