What question did this study set out to answer?

The aim is to develop biodegradable polyurethane foams using a cellulose-based polyol in alignment with green chemistry principles.

Green chemistry approach to biodegradable flexible viscoelastic polyurethane foams from a new type of cellulose-based polyol

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Randomized trial evaluates biodegradable flexible polyurethane foams, indicating potential for sustainable materials.

The aim is to develop biodegradable polyurethane foams using a cellulose-based polyol in alignment with green chemistry principles.
Synthesis of cellulose-based polyol using hydroalkylation reaction of cellulose and propylene carbonate.
Production of flexible viscoelastic PU foams with varying polyol content (10-50%).
Evaluation of physical, mechanical, structural, and biodegradability properties of the foams.
Biodegradability increased to 35% with up to 40% cellulose-based polyol content.
Foam properties met product standards: apparent density 46-50 kg/m³, hardness 70-75 N, tensile strength 87-122 kPa, elongation 300-390%, compression set 3.3-5.2%, compression strength 0.6-2.7 kPa.
These materials offer sustainable alternatives to conventional PU foams while maintaining quality.

Altay et al. (2026) studied this question.

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