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Monodisperse and Fluorescent Poly(styrene-Co-Methacrylic acid-co-2-naphthyl methacrylate)/Fe3O4 Composite Particles

Monodisperse and Fluorescent Poly(styrene-Co-Methacrylic acid-co-2-naphthyl methacrylate)/Fe3O4 Composite Particles

Patakamuri Govindaiah, Yeon Jae Jung, Jung Min Lee, Tae-Joon Park, Du Yeol Ryu, Jung Hyun Kim, In Woo Cheong

J Colloid Interface Sci. 2010 Mar 15;343(2):484-90.

PMID: 20035948

Abstract:

This article describes the preparation and characterization of fluorescent and magnetic composite particles of poly(styrene-co-methacrylic acid-co-2-naphthyl methacrylate) (poly(St/MAA/NMA)). First, monodisperse (D(w)/D(n)<1.1) and fluorescent poly(St/MAA/NMA) submicron particles were prepared using emulsifier-free emulsion polymerization by varying the concentration of the fluorescent comonomer, i.e., NMA. Composition of the particles was characterized by (1)H NMR, FT-IR, GPC, and DSC analyses. The molecular weights and particle size of the particles were dependent on the NMA concentration. Second, Fe(3)O(4) nanoparticles were immobilized onto the poly(St/MAA/NMA) submicron particles to give rise to multifunctional properties. The morphology and particles size were characterized by FE-SEM and CHDF. These poly(St/MAA/NMA)/Fe(3)O(4) composite particles exhibited both fluorescent properties under UV irradiation at 365 nm and magnetic properties. Photo-luminescent (PL) intensity of the particles showed linear dependence with NMA concentration.

Chemicals Related in the Paper:

Catalog Number	Product Name	CAS Number	Price
AP10475464	2-Naphthyl methacrylate	10475-46-4	Price
LS775122	Poly[(methyl methacrylate)-co-(2-naphthyl methacrylate)]		Price
LS775176	Poly(2-naphthyl methacrylate)		Price

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