Today's KNOWLEDGE Share : How does Isosorbide improve the properties of Polyurethane?

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 Today's KNOWLEDGE Share

💡 How does Isosorbide improve the properties of Polyurethane?

Polyurethane (PU) is widely used in foams, coatings, adhesives, and automotive interiors. When Isosorbide is introduced, PU gains more than just sustainability – it delivers clear performance upgrades. 🌱⚙️


🔍 Key Benefits of Isosorbide in Polyurethane

✅ Improved Durability

The rigid cyclic structure of Isosorbide strengthens molecular interactions, enhancing tensile strength and abrasion resistance.

✅ Better Thermal Stability

Maintains structural integrity at elevated temperatures, creating PU materials with superior heat-aging resistance.

✅ Enhanced UV Resistance

Reduces yellowing and degradation under UV exposure, ideal for outdoor coatings and automotive interiors.

✅ Reduced Odor

Unlike petroleum-based raw materials, Isosorbide lowers unwanted odor, making it suitable for eco-friendly adhesives and coatings.


🏭 Application Examples

◾ Foams: Cushioning, insulation, lightweight structures

◾ Coatings: Wood & furniture coatings, protective coatings for automotive and construction

◾ Adhesives: High-performance and eco-friendly adhesives

◾ Automotive Interiors: Seats, dashboards, and other durable, UV-resistant parts


🌍 Why does this matter?

◾ Environmental Value: 100% bio-based, replacing petroleum-derived raw materials

◾ Industrial Value: Combines strength, heat stability, and UV resistance → expands high-value PU markets

◾ Sustainable Alternative: Achieves both sustainability and high performance


Sustainability is not a choice – it’s a technology


source : Samyang Innochem

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