Process for preservation of cellulosic materials

Details Process for preservation of cellulosic materials Process for preservation of cellulosic materials

D - Textiles, Paper

21

H

D21H 25/18 (2006.01)

Patent

CA 2556626

Process for conservation of a cellulosic material, comprising a treatment wherein said cellulosic material is contacted with a stabilising agent, and at least one of the cellulosic material or the stabilising agent is cooled before and/or during the treatment. A deacidification agent comprising magnesiumdipropoxycarbonate, propanol and an HFC selected from HFC-134a and HFC-227ea is particularly preferred as stabilising agent.

L'invention concerne un procédé de conservation de matériau cellulosique, comprenant un traitement consistant à faire entrer en contact le matériau cellulosique avec un agent stabilisateur, et à refroidir le matériau cellulosique et/ou l'agent stabilisateur avant et/ou pendant le traitement. L'agent stabilisateur préféré est un agent de désacidification contenant du dipropoxycarbonate de magnésium, du propanol, et un HFC choisi entre HFC-134a et HFC-227ea.

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