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Colloid and Polymer Science
Erschienen in: Colloid and Polymer Science 1/2014

01.01.2014 | Original Contribution

Synthesis and properties of silanized waterborne polyurethane/graphene nanocomposites

verfasst von: Y. J. Kim, B. K. Kim

Erschienen in: Colloid and Polymer Science | Ausgabe 1/2014

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Abstract

A series of silanized waterborne polyurethane (WPU)/graphene oxide (GO) chemical hybrids were synthesized from polycaprolactone diol, isophorone diisocyanate, dimethylol butanoic acid, and (3-aminopropyl) triethoxysilane with GO as multifunctional crosslink as well as reinforcing filler. With the addition of GO, dispersion size greatly decreased due to the increased water phase viscosity, while it increased after chain extension reaction due to the migration of GO into the PU particles. The GO covalently bonded to WPU via the sol–gel type reaction augmented contact angle, glass transition temperature (Tg), hardness, and Young’s modulus of the cast film up to 1 %. However, the effects were less pronounced at high content (1.5 %) due to the agglomeration of GO particles.
Vorheriger Artikel Biofunctionalisation of colloidal gold nanoparticles via polyelectrolytes assemblies
Nächster Artikel Selective decomposition of proteins by photocatalytic Ti(IV)-doped calcium hydroxyapatite particles from mixed-protein systems

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Metadaten
Titel
Synthesis and properties of silanized waterborne polyurethane/graphene nanocomposites
verfasst von
Y. J. Kim
B. K. Kim
Publikationsdatum
01.01.2014
Verlag
Springer Berlin Heidelberg
Erschienen in
Colloid and Polymer Science / Ausgabe 1/2014
Print ISSN: 0303-402X
Elektronische ISSN: 1435-1536
DOI
https://doi.org/10.1007/s00396-013-3054-2

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