Preparation of Waterborne Graphene/polyurethane Wave Absorbing Coatings by In-situ Polymerization and Their Properties

GAO Hui-liang[1];WU Chen-guo[2];CHEN Han-bin[3];PEI Ke-mei[3]

Modern Paint & Finishing ›› 2023, Vol. 26 ›› Issue (3) : 13-16.

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PDF(2436 KB)
Modern Paint & Finishing ›› 2023, Vol. 26 ›› Issue (3) : 13-16.

Preparation of Waterborne Graphene/polyurethane Wave Absorbing Coatings by In-situ Polymerization and Their Properties

  • GAO Hui-liang[1];WU Chen-guo[2];CHEN Han-bin[3];PEI Ke-mei[3]
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Abstract

In this paper,an aqueous graphene/polyurethane emulsion was synthesized by in-situ polymerization using the hydroxyl reactive groups on the surface of aqueous graphene.Based on the emulsion,a functional coating with wave absorbing properties was prepared.The morphology,mechanical properties,electromagnetic shielding and wave absorbing performance of the coating were systematically tested.The infrared spectrum showed that there were a lot of hydroxyl groups on the water-based graphene,which could be used as the reactive group for in-situ polymerization of polyurethane.

Key words

waterborne graphene;waterborne polyurethane;in-situ polymerization;absorbing coating

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GAO Hui-liang[1];WU Chen-guo[2];CHEN Han-bin[3];PEI Ke-mei[3]. Preparation of Waterborne Graphene/polyurethane Wave Absorbing Coatings by In-situ Polymerization and Their Properties[J]. Modern Paint & Finishing. 2023, 26(3): 13-16
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