Potassium selective acrylic copolymers: Synthesis and application to chemical sensors

G J Price; P L Drake

doi:10.1016/j.reactfunctpolym.2005.07.025

Potassium selective acrylic copolymers: Synthesis and application to chemical sensors

G J Price, P L Drake

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

172 Downloads (Pure)

Abstract

Cross-linked copolymers based on poly(acrylic acid) and functionalised with crown-ethers have been designed and synthesised. The materials selectively absorb K+ over other Group I ions such as Li+ and Na+. The copolymers have been used as the basis of a quartz crystal microbalance, QCM, to form a sensor for use in aqueous solutions. Acrylic acid polymers cross-linked with ethylene glycol dimethacrylate, (EGDMA) and substituted with 18-crown-6 rings were coated onto the crystal and the sensing of K-(aq)(+) investigated. The detection limit of the developed sensor is < 1 ppm for K-(aq)(+) with a linear range extending to over 1000 ppm although further optimisation should significantly improve this performance.

Original language	English
Pages (from-to)	109-121
Number of pages	13
Journal	Reactive & Functional Polymers
Volume	66
Issue number	1
DOIs	https://doi.org/10.1016/j.reactfunctpolym.2005.07.025
Publication status	Published - 2006

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10.1016/j.reactfunctpolym.2005.07.025

Author's accepted version
NOTICE: this is the author’s version of a work that was accepted for publication in Reactive and Functional Polymers. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Reactive and Functional Polymers, vol 66, issue 1, 2006, DOI 10.1016/j.reactfunctpolym.2005.07.025
Accepted author manuscript, 561 KB

http://dx.doi.org/10.1016/j.reactfunctpolym.2005.07.025

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AU - Drake, P L

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