Radiation preparation and characterization of pH-sensitive hydrogel of acrylic acid/cyclodextrin based copolymer

Ting Shan; Jie Chen; Liming Yang; Shaowei Jie; Qiang Qian

doi:10.1007/s10967-007-7271-3

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 279: Issue 1

Radiation preparation and characterization of pH-sensitive hydrogel of acrylic acid/cyclodextrin based copolymer

Authors:

Ting Shan

Ting Shan Shanghai University Department of Chemical Engineering and Technology, School of Environmental and Chemical Engineering Jiading, Shanghai 201800 P.R. China

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Jie Chen

Jie Chen Shanghai University Department of Chemical Engineering and Technology, School of Environmental and Chemical Engineering Jiading, Shanghai 201800 P.R. China

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Liming Yang

Liming Yang Shanghai University Department of Chemical Engineering and Technology, School of Environmental and Chemical Engineering Jiading, Shanghai 201800 P.R. China

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Shaowei Jie

Shaowei Jie Shanghai University Department of Chemical Engineering and Technology, School of Environmental and Chemical Engineering Jiading, Shanghai 201800 P.R. China

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, and

Qiang Qian

Qiang Qian Shanghai University Department of Chemical Engineering and Technology, School of Environmental and Chemical Engineering Jiading, Shanghai 201800 P.R. China

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Pages:: 75–82

Online Publication Date:: 21 Jul 2008

Publication Date:: 01 Jan 2009

Article Category:: Research Article

DOI:: https://doi.org/10.1007/s10967-007-7271-3

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Abstract

A β-cyclodextrin (β-CD) based monomer (MAH-β-CD) containing vinyl and carboxyl functional groups was synthesized by reaction of β-CD with maleic anhydride (MAH). A novel hydrogel, poly(AAc-co-MAH-β-CD) with pH and ionic strength sensitivities, was prepared by irradiating the aqueous solution mixture of acrylic acid (AAc) and MAH-β-CD with electron beam. The effect of the feed ratio of the components and irradiation dose on the swelling and deswelling properties of the hydrogel was studied, respectively, the effect of pH and ionic strength on the swelling ratio was determined. Experimental results showed that these copolymer hydrogels did not show any noticeable change in swelling ratio at lower pH range (pH 1–3). However they showed an abrupt increase in swelling ratio at the range of pH 3–6, due to the ionization of carboxyl groups. Fourier transform infrared (FT-IR) spectrometer was applied in the attenuated total reflectance (ATR) mode for analyzing the structure change of the hydrogels after the treatment of different pH buffer solutions.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)