TY - BOOK

T1 - Alternative methods for the crosslinking of poly(vinyl alcohol) by the use of functionalised inorganic particles - A water-based approach towards environmentally benign coating materials

AU - Schauberger, Jörg Guido

N1 - embargoed until 01-10-2014

PY - 2013

Y1 - 2013

N2 - The use of environmentally benign coatings and resist materials has come to attention in the past decades. Besides established polymeric materials poly(vinyl alcohol) is of major interest, as this polymer is water soluble and regarded as safe for packaging technologies as well as for biomedical applications. New methods for the crosslinking of PVA by radiation were investigated in this work, with emphasis on non-toxicity and biocompatibility of the employed crosslinking agents and cleavage products. Additionally a number of functionalised particles such as cation exchanged montmorillonites were prepared and characterised. The aim was to immobilise functional groups at the surface of inorganic particles that capable of initiating crosslinking reactions. Furthermore these additives were employed to prepare organic-inorganic composite materials with poly(vinyl alcohol) as matrix polymer. The distribution of the modified particles was investigated by microscopic methods, while optical spectroscopy was employed to observe covalent crosslink formation, due to heat treatment of UV light exposure. Additionally covalent crosslink formation and polymer-filler interactions were investigated by determination of the swelling behaviour in deionised water.

AB - The use of environmentally benign coatings and resist materials has come to attention in the past decades. Besides established polymeric materials poly(vinyl alcohol) is of major interest, as this polymer is water soluble and regarded as safe for packaging technologies as well as for biomedical applications. New methods for the crosslinking of PVA by radiation were investigated in this work, with emphasis on non-toxicity and biocompatibility of the employed crosslinking agents and cleavage products. Additionally a number of functionalised particles such as cation exchanged montmorillonites were prepared and characterised. The aim was to immobilise functional groups at the surface of inorganic particles that capable of initiating crosslinking reactions. Furthermore these additives were employed to prepare organic-inorganic composite materials with poly(vinyl alcohol) as matrix polymer. The distribution of the modified particles was investigated by microscopic methods, while optical spectroscopy was employed to observe covalent crosslink formation, due to heat treatment of UV light exposure. Additionally covalent crosslink formation and polymer-filler interactions were investigated by determination of the swelling behaviour in deionised water.

KW - Photochemie

KW - Polymer-Füllstoff-Wechselwirkungen

KW - Oberflächenfunktionalisierung

KW - Füllstoffmodifizierung

KW - Organisch-anorganische Kompositmaterialien

KW - Photochemistry

KW - Polymer-Filler Interactions

KW - surface functionalisation

KW - filler modification

KW - organic-inorganic composites

M3 - Doctoral Thesis

ER -