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February 14, 2026CelluloseOpen Access

Cellulose foams from organosolv pulps with potential application as active packaging

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Authors

ASAbirami SENTHILSLSylvia H. LarssonSWSara Wallstén

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Overview

Demonstrates producing cellulose foams from organosolv pulps, indicating their potential in bioactive packaging.

Key Points

  • The research aims to create low-density cellulose foams from organosolv pulps for active packaging applications.
  • Used organosolv pretreatment on Norway spruce woodchips to extract cellulose fibrils.
  • Employed sodium hydroxide as a catalyst in varying concentrations for fiber treatment.
  • Characterized the fibers and tested them for foam properties and stability through agitation with surfactants.
  • Compared foams made from organosolv fibers with those from commercially available sulfite pulp.
  • Produced low-density foams (20 kg/m3) with 98% porosity and high mechanical resistance (75%).
  • Found a positive correlation between lignin content, fiber aspect ratio, and foam stability.
  • Identified high moisture adsorption and slower antioxidant scavenging in organosolv foams, suggesting bioactive potential.

Cite This Study

SENTHIL et al. (2026) studied this question.

synapsesocial.com/papers/699011712ccff479cfe58243https://doi.org/10.1007/s10570-026-06966-9
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