Citation: M.Y. Khuhawar, A. Shah, M.A. Mughal. PREPARATION AND CHARACTERIZATION OF SCHIFF BASE POLYMERS DERIVED FROM 4,4′-METHYLENEBIS(CINNAMALDEHYDE)[J]. Chinese Journal of Polymer Science, ;2007, 25(4): 399-407. shu

PREPARATION AND CHARACTERIZATION OF SCHIFF BASE POLYMERS DERIVED FROM 4,4′-METHYLENEBIS(CINNAMALDEHYDE)

Received Date: 8 August 2006
Revised Date: 16 October 2006

New Schiff base polymers poly[4,4′-methylenebis(cinnamaldehyde)ethylenediimine] (PMBCen), poly[4,4′-methylenebis(cinnamaldehyde)1,2-propylenediimine] (PMBCPn), poly[4,4′-methylenebis(cinnamaldehyde)1,3-propylenedi-imine] (PMBCPR), poly[4,4′-methylenebis(cinnamaldehyde)1,2-phenylenediimine] (PMBCPh), poly[4,4′-methylene-bis(cinnamaldehyde)meso-stilbenediimine] (PMBCS), poly[4,4′-methylenebis(cinnamaldehyde)urea] (PMBCUR), poly[4,4′-methylenebis(cinnamaldehyde)semicarbazone] (PMBCSc), poly[4,4′-methylenebis(cinnamaldehyde)thiosemicarbazone] (PMBCTSc) and poly[4,4′-methylenebis(cinnamaldehyde)hydrazone] (PMBCH) were formed by polycondensation of 4,4′-methylenebis(cinnamaldehyde) with ethylenediamine, 1,2-propylenediamine, 1,3-propylenediamine, 1,2-phenylenediamine, meso-stilbenediamine, urea, semicarbazide, thiosemicarbazide and hydrazine, respectively. The dialdehyde and polymers have been characterized through elemental micro-analysis, IR, UV-Vis and 1H-NMR spectroscopic techniques. Thermoanalytical studies and viscous flow of dilute solutions of dialdehyde and its polymers have been examined and compared.
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