Search Results - foam

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Recycling cellulose waste into foams Unmet Need: A method for recycling cotton waste into lightweight foams Current petroleum-based polyurethane and polystyrene foams are non-biodegradable, hard to recycle, and contribute significantly to landfill plastic waste and pollution. There is a critical need for sustainable alternatives that reduce environmental impact. To address this, researchers... Published: 7/1/2025   |   Inventor(s): Hang Liu, Wangcheng Liu Keywords(s): biobased materials, foam, recycling, Waste Management

Polyurethane Composition with Enhanced Thermocompression Characteristics Unmet Need: Challenges recycling and reprocessing polyurethane foams due to their thermoset behaviors Polyurethane foams are thermosets and accordingly, at their useful end of life, it may be challenging to reuse or recycle such polyurethane foams. The reprocessing of polyurethane is usually a slow process, especially for those prepared from petroleum-based... Published: 6/30/2025   |   Inventor(s): Jinwen Zhang, Wangcheng Liu Keywords(s): foam, polyurethane, vitrimer