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US 2021/0230424 A1Published application
Flexible polyurethane foam, automobile seat pad, and flexible polyurethane foam production method
AssigneesBridgestone Corporation, Spiber Inc.
InventorsKoji SANEFUJI, Hideharu SEGUCHI, Toshiki TAKIZAWA, Naoko NISIKITA
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Abstract
Provided is a flexible polyurethane foam having high hardness required for weight reduction of members and having low stress relaxation. A flexible polyurethane foam comprises a structural protein fiber having a length of 0.1 mm to 5 mm.
Claims20
A flexible polyurethane foam comprising
- a structural protein fiber having a length of 0.1 mm to 5 mm.
Dependencies are inferred from the claim text.