Preparation and properties of waterborne bio-based polyurethane/siloxane cross-linked films by an in situ sol–gel process

•Two castor oil-based polyols were synthesized by thiol-ene coupling.•A series of waterborne bio-based polyurethane/silica hybrid dispersions were prepared.•The formation of nano-silica through an in situ sol–gel process was detailed.•Particular focus was placed on the effect of siloxane content on...

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Veröffentlicht in:	Progress in organic coatings 2015-07, Vol.84, p.18-27
Hauptverfasser:	Fu, Changqing, Hu, Xiuzheng, Yang, Zhe, Shen, Liang, Zheng, Zitong
Format:	Artikel
Sprache:	eng
Schlagworte:	Castor oil Chemically bonded Crosslinking Hydrophobic Hydrophobicity Image transmission Nanostructure Polyurethane resins Roughness Silica Sol-gel processes Sol–gel Thermal stability Waterborne polyurethane
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