Abstract
Antimicrobial properties of some newly prepared oil based organotin polymers by the condensation reaction between fatty amide diol (
N
,
N
′-bis(2-hydroxyethyl) castoroil fatty amide) obtained from castoroil and organotin dihydroxides (dibutyltin dihydroxide, dimethyltin dihydroxide and diphenyltin dihydroxide) have been studied by employing both Gram-positive (
Lactobacillus, Staphylococcus aureus
) and Gram-negative (
Pseudomonas putida, Pseudomonas fluorescens, E. coli
) bacteria. The structural studies of these three polymers were carried out by FTIR,
1
HNMR and
13
C
NMR spectroscopic techniques. Standard laboratory methods were used to study the physiochemical characteristics like acid value, hydroxyl value, saponification value, iodine value, specific gravity and viscosity. A comparative study of the thermal stability was analysed by thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). All three polymers have been found fairly active against the tested bacterial species.