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Preparation of Poly(2-biphenylyl acrylate-co-methacrylic acid) and Release of 2-Phenylphenol  

Hyun Seok-Hee (Center for Scienctific Instruments, Kyungpook National University)
Kim Min-Woo (Department of Polymer Science, Kyungpook National University)
Jeon Il-Ryon (School of Pharmaceutical Engineering, Kyungil University)
Son Seog-Ho (Research & Development Dept., Nicca Korea Co. Ltd.)
Baek Chang-Hoon (Korea Dyeing Technology Center)
Kim Woo-Sik (Department of Polymer Science, Kyungpook National University)
Publication Information
Polymer(Korea) / v.30, no.1, 2006 , pp. 80-84 More about this Journal
Abstract
2-Biphenylyl acrylate(BPA) was synthesized by the reaction of acryloyl chloride with 2-phenylphenol (2PP). Hydrophilic copolymers with the moiety of the microbicide, 2PP, were prepared by the radical copolymerization of BPA and methacrylic acid (MA). From the compositions of the BPA unit and the MA unit in the copolymers, the monomer reactivity ratios were determined to be 0.86 for BPA and 1.21 for MA by means of Kelen-Tudos plot. This result indicates that the copolymers have a random structure. The amount of 2PP released through the hydrolysis of the copolymers was examined by UV spectrometry. The result showed that the release of 2PP increased with an increase in the hydrophilic MA content in the copolymers and with an increase in the pH of the release medium. Therefore, these results indicate that the hydrophilic polymers bearing 2-phenylphenol moiety can be controlled release microbicides.
Keywords
2-phenylphenol; microbicide; hydrophilic copolymer; reactivity ratio; release;
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