The Global N-Isopropyl-N’-phenyl-1,4-phenylenediamine (IPPD) Market was valued at US$ 148 Million in 2025 and is projected to reach US$ 195 Million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 4.4% during the forecast period (2024–2030). This growth is being driven by rising demand for durable rubber goods in automotive and industrial applications, stringent quality requirements, and the need for advanced antioxidant and antiozonant protection systems.

As the global rubber industry advances toward higher performance and longer product lifespans, the focus intensifies on the specialty chemical companies that manufacture essential antidegradants. In this blog, we profile the Top 10 Companies in the N-Isopropyl-N’-phenyl-1,4-phenylenediamine Market—a mix of global chemical giants and specialized producers shaping the future of rubber protection.

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🔟 1. Lanxess AG

Headquarters: Cologne, Germany
Key Offering: Vulkacit IPPD, High-Purity IPPD grades

Lanxess is a global leader in specialty chemicals, particularly in the rubber industry. Its Vulkacit brand of antidegradants, including IPPD, is renowned for quality and performance, serving tire manufacturers and industrial rubber goods producers worldwide.

Innovation & Sustainability Focus:

• Investment in high-yield, low-waste manufacturing processes

• Development of synergistic antidegradant blends to reduce overall usage

• Commitment to sustainable chemistry and responsible sourcing

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9️⃣ 2. Sennics Co., Ltd.

Headquarters: Shanghai, China
Key Offering: IPPD (≥95% Purity), Customized Antidegradant Solutions

Sennics is a major Chinese producer of rubber chemicals, including a significant portfolio of p-phenylenediamine (PPD) antiozonants. The company has a strong presence in the Asia-Pacific region and is expanding its global footprint.

Innovation & Sustainability Focus:

• Focus on expanding production capacity for rubber antioxidants

• R&D into next-generation, environmentally friendly antidegradants

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8️⃣ 3. China Sunsine Chemical Holdings Ltd.

Headquarters: Heze, Shandong, China
Key Offering: IPPD, 6PPD, TMQ, and other rubber additives

China Sunsine is one of the world’s largest producers of rubber accelerators and has a growing production capacity for antioxidants like IPPD. Its competitive cost structure makes it a key supplier to the global rubber industry.

Innovation & Sustainability Focus:

• Continuous process optimization to improve efficiency and reduce emissions

• Strategic expansion to meet growing global demand for rubber chemicals

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7️⃣ 4. Duslo a.s.

Headquarters: Šaľa, Slovakia
Key Offering: Duslin IPPD, Specialty Chemical Intermediates

Duslo, a significant chemical producer in Central Europe, manufactures a range of agrochemicals and industrial chemicals, including rubber antidegradants. It serves European rubber product manufacturers with high-quality IPPD.

Innovation & Sustainability Focus:

• Adherence to strict European REACH regulations

• Investment in modernized production facilities for improved environmental performance

Download FREE Sample Report: N-Isopropyl-N’-phenyl-1,4-phenylenediamine Market – View in Detailed Research Report

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6️⃣ 5. Stair Chemical & Technology

Headquarters: Qingdao, Shandong, China
Key Offering: IPPD, Rubber Antioxidants and Antiozonants

Stair Chemical & Technology specializes in the research, development, and production of rubber chemicals. The company is known for its technical expertise and reliable supply of IPPD to both domestic and international markets.

Innovation & Sustainability Focus:

• Development of low-dust and encapsulated forms for improved workplace safety

• Focus on product consistency and purity to meet stringent customer specifications

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5️⃣ 6. Henan Kailun Chemical Co., Ltd.

Headquarters: Zhengzhou, Henan, China
Key Offering: IPPD (92% and 95% Purity grades)

Henan Kailun Chemical is a dedicated manufacturer of fine chemicals and rubber additives. The company has established itself as a reliable source for IPPD, catering to the needs of the growing Chinese and Asian rubber industries.

Innovation & Sustainability Focus:

• Capacity expansion projects to capture market share

• Cost-effective production methods to remain competitive

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4️⃣ 7. Weifang Zhong An Rubber Chemicals Co., Ltd.

Headquarters: Weifang, Shandong, China
Key Offering: IPPD, 6PPD, Antioxidant RD (TMQ)

Weifang Zhong An is a professional producer of rubber antioxidants. The company supplies a range of PPD derivatives and has built a reputation for quality and service within the rubber manufacturing sector.

Innovation & Sustainability Focus:

• Vertical integration to secure raw material supply and stabilize costs

• Quality control systems ensuring product meets international standards

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3️⃣ 8. Donghai Chemical Co., Ltd.

Headquarters: Zibo, Shandong, China
Key Offering: IPPD, Other Rubber Protection Agents

Donghai Chemical focuses on the production of fine chemicals used in rubber, plastics, and other industries. It is a competitive player in the Asian market for antidegradants like IPPD.

Innovation & Sustainability Focus:

• Focus on process efficiency to maintain market competitiveness

• Adapting to evolving environmental regulations in key markets

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2️⃣ 9. Kumho Petrochemical

Headquarters: Seoul, South Korea
Key Offering: Wide range of synthetic rubbers and related chemicals

While primarily known for synthetic rubber production, Kumho Petrochemical has expertise in the broader rubber value chain, including an understanding of antidegradant needs. It represents a significant downstream consumer and an influential voice in specifications.

Innovation & Sustainability Focus:

• Investment in R&D for high-performance rubber compounds

• Commitment to developing sustainable rubber solutions

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1️⃣ 10. Eastman Chemical Company

Headquarters: Kingsport, Tennessee, USA
Key Offering: Specialty additives for polymers and rubber

Eastman is a global specialty materials company with a strong portfolio of additives that improve the performance and durability of various materials, including rubber. Its technical expertise positions it as a key player in the antidegradant market landscape.

Innovation & Sustainability Focus:

• Strong focus on innovation and developing proprietary additive technologies

• Sustainability initiatives aimed at circular economy principles

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🔬 Outlook: The Future of IPPD Lies in Performance and Sustainability

The N-Isopropyl-N’-phenyl-1,4-phenylenediamine market is navigating a critical evolution. While the chemical remains a vital workhorse for antiozonant protection, the industry is increasingly focused on enhancing its performance while mitigating its limitations, such as staining and migration.

📈 Key Trends Shaping the Market:

• Growing demand for synergistic blends that combine IPPD with other antioxidants to reduce total amine loading and side effects.

• Shift towards low-dust and pre-dispersed forms of IPPD to improve workplace safety and processing efficiency.

• Intense R&D into next-generation, non-staining antiozonants for applications where appearance is critical.

• Increasing pressure from environmental and regulatory bodies influencing the development and use of amine-based chemicals.

Get Full Report Here: N-Isopropyl-N’-phenyl-1,4-phenylenediamine Market – View in Detailed Research Report

The companies listed above are not only supplying a crucial ingredient for rubber durability—they are at the forefront of developing the advanced protection systems required for the next generation of high-performance and sustainable rubber products.