Top 10 Companies in the Polysuccinimide (PSI) Industry (2025): Market Leaders Revolutionizing Biodegradable Polymers

In Business Insights
June 28, 2025

The Global Polysuccinimide (PSI) Market was valued at USD 103 Million in 2024 and is projected to reach USD 151 Million by 2032, growing at a Compound Annual Growth Rate (CAGR) of 4.5% during the forecast period (2024–2032). This sustainable polymer growth is driven by increasing adoption in water treatment solutions, agricultural applications, and the global shift toward eco-friendly industrial materials.

PSI, a biodegradable polymer derived from succinic anhydride, offers superior heat resistance, chemical stability, and environmental benefits compared to conventional plastics. With tightening environmental regulations worldwide, industry leaders are accelerating R&D investments and production expansions. This report examines the Top 10 Companies in the Polysuccinimide (PSI) Industry—chemical innovators shaping the future of green polymer applications.


🔟 1. Lanxess AG

Headquarters: Cologne, Germany
Key Offering: High-purity PSI resins, Polyaspartic Acid derivatives

This German specialty chemicals giant dominates the premium PSI segment through advanced polymerization technologies. Lanxess supplies high-performance PSI formulations for industrial water treatment systems across Europe and North America.

Technical Advancements:

  • Global production capacity of 50,000 metric tons/year
  • Patented thermal synthesis process for 99.9% pure PSI
  • Strategic partnership with BASF for bio-based succinic acid supply

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Polysuccinimide (PSI) Market – View in Detailed Research Report


9️⃣ 2. Nippon Shokubai Co., Ltd.

Headquarters: Osaka, Japan
Key Offering: PSI for superabsorbent polymers, water treatment chemicals

The Japanese chemical firm leads in Asia-Pacific with its proprietary polymerization catalysts, achieving 20% higher conversion efficiency than industry standards. Their PSI products are essential in Japanese and Korean industrial water systems.

Technical Advancements:

  • Annual production of 35,000 tons across three Japanese facilities
  • Pioneer in PSI-based superabsorbent polymer technology

8️⃣ 3. Shandong Welldone Environmental New Materials Co.

Headquarters: Shandong, China
Key Offering: Cost-effective PSI for agricultural applications

As China’s largest PSI producer, Shandong Welldone supplies 60% of the domestic market for agricultural polymer coatings. Their patented slow-release fertilizer technology has been adopted across Southeast Asia.

Technical Advancements:

  • 200,000-ton annual production capacity
  • Vertically integrated from bio-succinic acid to finished PSI
  • 15% more affordable than imported alternatives

7️⃣ 4. Italmatch Chemicals S.p.A.

Headquarters: Genoa, Italy
Key Offering: Specialty PSI formulations for oilfield applications

The Italian specialty chemical manufacturer develops high-performance PSI solutions for extreme environments, including offshore oil production and geothermal energy systems.

Technical Advancements:

  • High-temperature stable formulations (up to 300°C)
  • EU-approved biodegradable oilfield chemicals

Download FREE Sample Report:
Polysuccinimide (PSI) Market – View in Detailed Research Report


6️⃣ 5. Zhejiang Zanyu Technology Co., Ltd.

Headquarters: Hangzhou, China
Key Offering: Industrial-grade PSI for water treatment

This Chinese chemical manufacturer specializes in large-volume PSI production for municipal water treatment plants across developing markets in Africa and South America.

Technical Advancements:

  • 150,000-ton production capacity
  • Cost-optimized for developing market applications

5️⃣ 6. Aquapharm Chemicals Pvt. Ltd.

Headquarters: Pune, India
Key Offering: PSI-based water treatment solutions

India’s leading specialty chemical company develops PSI formulations tailored to South Asia’s hard water conditions and high-temperature industrial applications.

Technical Advancements:

  • First Indian manufacturer with full backward integration
  • 25 patented PSI formulations for tropical conditions

4️⃣ 7. Roquette Frères

Headquarters: Lestrem, France
Key Offering: Bio-based PSI from renewable feedstocks

The French plant-based ingredients leader has expanded into sustainable polymers, producing PSI from 100% renewable succinic acid.

Technical Advancements:

  • Carbon-negative production process
  • EU Ecolabel certified formulations

3️⃣ 8. Jiangsu Success Biological Technology Co.

Headquarters: Nanjing, China
Key Offering: High-purity PSI for pharmaceutical applications

This Chinese biotech firm specializes in medical-grade PSI for drug delivery systems and biodegradable medical devices.

Technical Advancements:

  • GMP-certified production facilities
  • 99.99% purity pharmaceutical-grade PSI

2️⃣ 9. ASAHI KASEI Chemicals Corporation

Headquarters: Tokyo, Japan
Key Offering: PSI for electronic component coatings

The Japanese conglomerate applies its polymer expertise to high-performance PSI formulations for electronics manufacturing applications requiring thermal stability.

Technical Advancements:

  • Flame-retardant PSI variants
  • Ultra-pure formulations for semiconductor applications

1️⃣ 10. Sukgyung AT Co., Ltd.

Headquarters: Seoul, South Korea
Key Offering: Specialty PSI for textile applications

This Korean innovator develops PSI-based flame retardants and water-resistant coatings for technical textiles and protective gear.

Technical Advancements:

  • PSI-fiber composite technology
  • Military-specification formulations

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Polysuccinimide (PSI) Market – View in Detailed Research Report


🌍 Market Outlook: Sustainable Polymers Gaining Momentum

The PSI market is transforming as industries replace conventional plastics with biodegradable alternatives. With projected 4.5% annual growth through 2032, these materials are becoming mainstream in water treatment, agriculture, and specialty applications.

📈 Key Industry Trends:

  • Bio-based production methods reducing carbon footprint
  • Increasing regulatory pressure on traditional plastics
  • Technological advances improving cost competitiveness
  • Expanding applications in electronics and medical fields

Get Full Report Here:
Polysuccinimide (PSI) Market – View in Detailed Research Report

The profiled companies represent the vanguard of sustainable polymer innovation, driving adoption through technological leadership and strategic capacity expansions.