Método experimental para consolidar fibras de papel. (I parte del estudio)

  1. De Lera Santín, Alicia 1
  2. Escohotado Ibor, Maria Teresa 2
  3. Blum, Loïc 3
  4. Marquette, Christophe 3
  1. 1 Universidad del País Vasco UPV-EHU
  2. 2 Universidad del País Vasco/Euskal Herriko Unibertsitatea
    info

    Universidad del País Vasco/Euskal Herriko Unibertsitatea

    Lejona, España

    ROR https://ror.org/000xsnr85

  3. 3 Laboratoire de Génie Enzymatique et Biomoléculaire, UMR 5246: Institut de Chimie et Biochimie Moléculaire et Supramoléculaire
Journal:
Ge-conservación

ISSN: 1989-8568

Year of publication: 2009

Issue: 0

Pages: 177-187

Type: Article

More publications in: Ge-conservación

Abstract

En este artículo describimos un nuevo método enzimático para consolidar la celulosa del papel. Este método consiste en la síntesis de la celulosa con una enzima hidrolítica: la celulasa. Ésta actúa como una sintetasa, consolidando el papel cuando es mezclada en una solución orgánica de solvente/tampón (4:1) en presencia de un sustrato (β-cellobiosyl fluoride). Para mejorar el tratamiento añadimos un gel de agar-agar con todos los reactivos necesarios. Para observar el estado de las fibras antes y después del tratamiento, realizamos test mecánicos y fotografías de microscopía electrónica de barrido. Se observó que el proceso de consolidación casi consigue recuperar el estado físico inicial de las fibras así como su resistencia al desgarre y alargamiento.

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