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Preparation of monodisperse functional poly(styrene-co-acrylamidoxime) microsphere with chelating amidoxime group

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Abstract

Monodisperse poly(styrene-co-acrylonitrile) microspheres were prepared by dispersion copolymerization of styrene (St) and acrylonitrile (AN) in ethanol (EtOH)/isopropanol medium. 2,2′-Azobis(isobutyronitrile) (AIBN) and poly(acrylic acid) (PAA) were utilized as initiator and steric stabilizer, respectively. The effects of PAA stabilizer, AIBN initiator, St/AN monomer ratio, and EtOH solvent on particle size and size distribution were investigated systematically. AN is a co-monomer with desired nitrile group (–CN); the functional P(St-co-acrylamidoxime) microsphere with chelating amidoxime group (–C(NH2)=NOH) was derived by amidoximizing the nitrile group with hydroxylamine. The percentage of chemical modification was calculated to be 51.2% in this study.

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Authors and Affiliations

  1. Department of Chemical Engineering, National Cheng Kung University, Tainan, 701, Taiwan

    Ching-Wen Chen, Chuh-Yung Chen & Zong-Huei Cioul

Authors
  1. Ching-Wen Chen
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  2. Chuh-Yung Chen
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  3. Zong-Huei Cioul
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Correspondence to Chuh-Yung Chen.

Electronic supplementary material

Below is the link to the electronic supplementary material.

Supplement 1

SEM photographs of P(St-co-AN) microspheres for the study of PAA stabilizer effect. (PDF 2389 kb)

Supplement 2

SEM photographs of P(St-co-AN) microspheres for the study of AIBN initiator effect. (PDF 2389 kb)

Supplement 3

SEM photographs of P(St-co-AN) microspheres for the study of St/AN monomer ratio effect. (PDF 2389 kb)

Supplement 4

SEM photographs of P(St-co-AN) microspheres for the study of EtOH solvent effect. (PDF 2389 kb)

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Chen, CW., Chen, CY. & Cioul, ZH. Preparation of monodisperse functional poly(styrene-co-acrylamidoxime) microsphere with chelating amidoxime group. Colloid Polym Sci 288, 665–672 (2010). https://doi.org/10.1007/s00396-010-2183-0

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  • DOI: https://doi.org/10.1007/s00396-010-2183-0

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