Polyurethane foam and methods of forming the same

A polyurethane foam with a polyether and polycaprolactone polyol composition achieves improved fire resistance and reduced dripping, addressing safety concerns through its unique glass transition peaks.

WO2026128309A1PCT designated stage Publication Date: 2026-06-18SAINT GOBAIN PERFORMANCE PLASTICS CORP

Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
SAINT GOBAIN PERFORMANCE PLASTICS CORP
Filing Date
2025-12-05
Publication Date
2026-06-18

AI Technical Summary

Technical Problem

Polyurethane foams are prone to rapid fire growth and severe dripping during combustion due to their chemical and physical properties, posing safety concerns.

Method used

A polyurethane foam formulation comprising a first polyol component with a polyether polyol and a second polyol component with polycaprolactone polyol, which results in a polyurethane foam with at least two glass transition peaks, enhancing resilience and safety performance.

🎯Benefits of technology

The formulation improves fire resistance and reduces dripping during combustion, providing enhanced safety characteristics.

✦ Generated by Eureka AI based on patent content.

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Abstract

A polyurethane foam may include a first polyol component, a second polyol component, and an isocyanate component. The first polyol component may include a polyether polyol component. The second polyol component may include a polycaprolactone polyol component. The polyurethane foam may have at least two glass transition (Tg) peaks.
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