Intramolecular crosslinking of poly(vinyl alcohol)

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Gebben, Bert and Berg, Hans W.A. van den and Bargeman, Dick and Smolders, Cees A. (1985) Intramolecular crosslinking of poly(vinyl alcohol). Polymer, 26 (11). pp. 1737-1740. ISSN 0032-3861

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Abstract:Poly(vinyl alcohol) is crosslinked in dilute solution (c=0.1 wt%) with glutaraldehyde. The reaction product is characterized by viscometry and gel permeation chromatography (g.p.c.). The intrinsic viscosity decreases with increasing degree of crosslinking and does not depend on temperature. G.p.c. reveals that the reaction product is not homogeneous, but consists of a mixture of particles with different sizes, possibly both intra- and intermolecularly crosslinked molecules. The intramolecularly crosslinked molecules are smaller in size than the initial polymer molecules and their size depends on the degree of crosslinking. They possess a narrow particle size distribution even if the initial polymer sample had a broad molecular weight distribution.
Item Type:Article
Copyright:Elsevier Ltd
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Link to this item:http://purl.utwente.nl/publications/67255
Official URL:http://dx.doi.org/10.1016/0032-3861(85)90295-2
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