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Synthesis and Characterization of a Novel Starch-Based pH-Sensitive Hydrogel

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Abstract:

Stimuli-responsive hydrogels are extensively investigated to implement new biomedical and pharmaceutical approaches. In this work, novel pH-sensitive hydrogel, with potassium persulfate as the initiator, acrylic acid and butyl methacrylate as graft monomer, were synthesized by microwave irradiation. FT-IR measurements testified the hydrogels formed structure. The SEM micrographs revealed that the porous structures of hydrogels changed with the increasing AA content. The experimental results demonstrated that the gels do not swell greatly at low pH media whereas they swelled sufficiently at high pH media, exhibiting smart pH sensitivity.

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Info:

Periodical:

Applied Mechanics and Materials (Volumes 303-306)

Pages:

2602-2605

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.303-306.2602

Citation:

Cite this paper

Online since:

February 2013

Authors:

Jie Du, Tian Qin Zhao, Yi Liu, Jing Jie

Keywords:

Hydrogel, Intelligent Material, pH Senstitive, Starch

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