Reactive Formulations For Forming A Strong Polyurethane-Polyurea Comprising Water Blown Foam
Patent No. EP4240782 (titled "Reactive Formulations For Forming A Strong Polyurethane-Polyurea Comprising Water Blown Foam") was filed by Huntsman on Nov 4, 2021. The application was issued on Jun 11, 2025.
Patent Summary
A method for producing thermoplastic polyurethane-polyurea foams with improved mechanical properties, comprising mixing a polyisocyanate composition with a pre-mixed composition of isocyanate-reactive compounds at an isocyanate index of 75-125, and then allowing the mixture to foam in a mold. The resulting foam has a tensile strength-to-density ratio of at least 10 kPa·m³/kg and can be recycled through thermal treatment above its melt temperature.
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Date
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EP4240782
- Application Number
- EP21801945A
- Filing Date
- Nov 4, 2021
- Status
- Granted And Under Opposition
- May 9, 2025
- Publication Date
- Jun 11, 2025
- External Links
- Slate, Register , Google Patents