Crosslinked TPU foams with excellent haptics, flexibility and recovery behavior
A cross-linked and foamed thermoplastic polyurethane mixture addresses the issues of resilience and recyclability in TPU foams, enabling thermoformability and cost-effective production of complex components.
WO2026104301A1PCT designated stage Publication Date: 2026-05-21BENECKE-KALIKO GMBH
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Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- BENECKE-KALIKO GMBH
- Filing Date
- 2025-11-07
- Publication Date
- 2026-05-21
AI Technical Summary
Technical Problem
Existing foams based on thermoplastic polyurethane (TPU) suffer from poor resilience, irreversible dent formation, limited recyclability, and poor processing capabilities, which affect their suitability for complex components and increase production costs.
Method used
A cross-linked and foamed thermoplastic polyurethane mixture comprising at least one thermoplastic polyurethane, a blowing agent, and a cross-linking agent with at least two functional groups, allowing for improved resilience, recyclability, and thermoformability.
Benefits of technology
The foam exhibits excellent resilience, avoids irreversible dent formation, is easily recyclable, and can be thermoformed, reducing production complexity and costs while maintaining excellent feel and acoustics.
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Abstract
The invention relates to a foam made from a crosslinked and foamed thermoplastic polyurethane mixture, wherein the thermoplastic polyurethane mixture comprises at least one thermoplastic polyurethane, at least one blowing agent and at least one crosslinking agent having at least two functional groups.
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