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Effects of the Alkylamine Functionalization of Graphene Oxide on the Properties of Polystyrene Nanocomposites

Effects of the Alkylamine Functionalization of Graphene Oxide on the Properties of Polystyrene Nanocomposites

Jinhee Jang, Viet Hung Pham, Balasubramaniyan Rajagopalan, Seung Hyun Hur, Jin Suk Chung

Nanoscale Res Lett. 2014 May 28;9(1):265.

PMID: 24936163

Abstract:

Alkylamine-functionalized graphene oxides (FGOs) have superior dispersibility in low-polar solvents and, as a result, they interact with low-polar polymers such as polystyrene. In this work, the functionalization of graphene oxide using three types of alkylamines, octylamine (OA), dodecylamine (DDA), and hexadecylamine (HDA), was performed, and nanocomposites of polystyrene (PS) and FGOs were prepared via solution blending. Different dispersions of FGOs over PS were obtained for the three alkylamines, and the properties of the PS composites were influenced by the length of the alkylamine. A better thermal stability was observed with a longer chain length of the alkylamine. On the other hand, functionalization with the shortest chain length alkylamine resulted in the highest increase in the storage modulus (3,640 MPa, 140%) at a 10 wt.% loading of FGO.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
LS71771	Graphene oxide, alkylamine functionalized			Price

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