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Polymer preservatives – PEG and chitosan hydrogels – protect wooden artefacts
Wooden artifacts such as those found on the Mary Rose, are typically treated with polyethylene glycol (PEG) solutions to prevent the wood from shrinking as it loses water molecules and dries out. How PEGs as Preservatives are Used PEGs as preservatives work by replacing the water molecules held by cells within the wood. Recently, a […]