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Preparation and Characterization of Monodispersed P(St-co-AA) Microspheres

Zhiping Gan

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Abstract

Surface-carboxylic poly(styrene-co-acrylic)(P(St-co-AA)) sub-micron spheres were prepared by soap-free emulsion polymerization.The microspheres were observed by transmission electron microscope to be uniform and monodispersed in diameter.Through X-ray photoelectron spectroscopy(XPS),the existence of carboxyl on the surface of the microspheres were validated and its′ content was controllable by the amount of acrylic acid used in the polymerization.

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What this paper is about

Surface-carboxylic poly(styrene-co-acrylic)(P(St-co-AA)) sub-micron spheres were prepared by soap-free emulsion polymerization.The microspheres were observed by transmission electron microscope to be uniform and monodispersed in diameter.Through X-ray photoelectron spectroscopy(XPS),the existence of carboxyl on the surface of the microspheres were validated and its′ content was controllable by the amount of acrylic acid used in the polymerization.

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Available abstract

Surface-carboxylic poly(styrene-co-acrylic)(P(St-co-AA)) sub-micron spheres were prepared by soap-free emulsion polymerization.The microspheres were observed by transmission electron microscope to be uniform and monodispersed in diameter.Through X-ray photoelectron spectroscopy(XPS),the existence of carboxyl on the surface of the microspheres were validated and its′ content was controllable by the amount of acrylic acid used in the polymerization.

Key concepts: X-ray photoelectron spectroscopy, Materials science, Acrylic acid, Polymerization, Microsphere, Emulsion polymerization, Transmission electron microscopy, Styrene

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