Synthesis and characterization of poly(2-hydroxy-4-methacryloxyacetophenone-semicarbazone) and its metal complexes

2-Hydroxy-4-methacryloxyacetophenone-semicarbazone (HMAPS) was prepared and characterized by IR and NMR spectroscopic techniques. Poly(2-hydroxy-4-met hacryloxyacetophenone) (poly(HMAP)) was synthesized in 2-butanone solution using benzoyl peroxide as initiator at 65 degrees C. Poly(2-hydroxy-4-metha cryloxyacetophenone-semicarbazone) (HMAPS) was prepared from poly(HMAP). Th e polymers were also characterized by spectral techniques. The molecular we ights of the polymers were determined by gel permeation chromatography. The polymer metal chelates of Cu(II) and Ni(II) of poly(HMAPS) were synthesize d. The polychelates were characterized by IR and elemental analysis. The di ffuse reflectance spectra and magnetic moments of the polychelates are show n to be distorted octahedral for both poly(HMAPS)-Ni(II) and poly(HMAPS)-Cu (II) complexes respectively. The thermal properties of the polymer and meta l chelates are also discussed. (C) 1998 Elsevier Science Ltd. All rights re served.