Study on the choice of functional monomer before preparation of myclobutanil molecularly imprinted polymer

• Published in: Guang pu xue yu guang pu fen xi Vol. 34; no. 3; p. 791
• Main Authors: Gao, Wen-Hui, Liu, Bo, Li, Xing-Feng, Han, Jun-Hua, Jia, Ying-Min
• Format: Journal Article
• Language: Chinese
• Published: China 01.03.2014
• ISSN: 1000-0593
• DOI: 10.3964/j.issn.1000-0593(2014)03-0791-04

To prepare myclobutanil molecularly imprinted polymer, a method was established for the choice of the appropriate functional monomer and its dosage. UV spectra was applied to study the combination form, the effect intensity, the optimal concentration ratio and the numbers of binding sites between myclobutanil and methyl acrylic acid (MAA) or acrylamide (AM) functional monomer. The results showed that hydrogen-bonding interaction could be formed between myclobutanil and methyl acrylic acid (MAA) or acrylamide (AM) functional monomer. The pi electron of the triazole ring conjugated double bond in my clobutanil could transit to pi* conjugate antibonding orbital when it absorbed energy. The formation of hydrogen bond could make pi-->pi* absorption band transit. Maximum absorption wavelength produced red shift with the increase in the functional monomer concentration in the system. The research revealed that the optimal concentration ratios between myclobutanil and the two monomers were c(M):c(MAA) = 1:4, c(M):c(A