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Production and properties of adhesives formulated from laccase modified Kraft lignin

In English

Författare

Summary, in English

Kraft lignin was used to formulate adhesives in combination with polyethyleneimine, chitosan and soy protein, respectively. The tensile strengths of bond lines formulated with laccase-treated and untreated lignin were found to be similar. However, a remarkable difference was noted when laccase-treated lignin was reduced by sodium borohydride prior to reacting either with chitosan or soy protein - decreasing the strength in the former case while increasing it in the other. Among the formulations, laccase treated and reduced lignin-soy protein adhesive exhibited more than half the strength of commercial polyurethane adhesive and retained 70% of its initial strength after two cycles of 1 h boiling and drying. (C) 2013 Elsevier B.V. All rights reserved.

Publiceringsår

2013

Språk

Engelska

Sidor

343-348

Publikation/Tidskrift/Serie

Industrial Crops and Products

Volym

45

Dokumenttyp

Artikel i tidskrift

Förlag

Elsevier

Ämne

  • Mechanical Engineering
  • Industrial Biotechnology

Nyckelord

  • Formaldehyde-free adhesive
  • Lignin
  • Laccase
  • Fracture energy
  • Tensile
  • strength
  • Water resistance

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0926-6690