Cu(II) and Pd(II) complexes of water soluble O-carboxymethyl chitosan Schiff bases: Synthesis, characterization

2015 ◽  
Vol 79 ◽  
pp. 542-554 ◽  
Author(s):  
Talat Baran ◽  
Ayfer Menteş
Keyword(s):  
Schiff Bases ◽  
Carboxymethyl Chitosan ◽  
Water Soluble ◽  
Chitosan Schiff Bases

The synthesis and antioxidant activity of the Schiff bases of chitosan and carboxymethyl chitosan

2005 ◽  
Vol 15 (20) ◽  
pp. 4600-4603 ◽  
Author(s):  
Zhanyong Guo ◽  
Ronge Xing ◽  
Song Liu ◽  
Huahua Yu ◽  
Pibo Wang ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Schiff Bases ◽  
Carboxymethyl Chitosan

scholarly journals Performance of N,O-Carboxymethyl Chitosan as Corrosion and Scale Inhibitors in CO2 Saturated Brine Solution

2021 ◽  
Vol 21 (4) ◽  
pp. 954
Author(s):  
Muhamad Jalil Baari ◽  
Bunbun Bundjali ◽  
Deana Wahyuningrum
Keyword(s):  
Inhibition Efficiency ◽  
Electrochemical Impedance ◽  
Chloroacetic Acid ◽  
Carboxymethyl Chitosan ◽  
Scale Formation ◽  
Water Soluble ◽  
Complexing Agent ◽  
Dissolved Gas ◽  
Scale Inhibition ◽  
Ft Ir

The presence of salts and dissolved gas like CO2 that is carried with natural gas and crude oil along the pipeline is the main reason for corrosion and scale formation. These problems are usually resolved separately by corrosion inhibitors and scale inhibitors or acidification. Meanwhile, utilizing a compound to resolve both corrosion and scale formation has an advantage in the economic side and working time. N,O-carboxymethyl chitosan or N,O-CMCs is one of the chitosan's derivates. It is water-soluble and has different functional groups. Those properties support its capability as a complexing agent on corrosion and scale inhibitors. Synthesis of N,O-CMCs was carried out by chemical reactions between chitosan and chloroacetic acid under alkaline circumstances. N,O-CMCs product was characterized using FT-IR and 1H-NMR spectroscopy. The inhibition efficiency was analyzed by electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization techniques. The measurements showed that the highest efficiency of corrosion inhibition reached 63.54% when the concentration and temperature were 30 ppm and 35 °C, respectively. N,O-CMCs was classified as a mixed-type inhibitor. The adsorption mechanism of the inhibitor followed Langmuir adsorption isotherm. The static scale inhibition test informed that the optimum inhibition efficiency of N,O-CMCs reached 60.00%.

Zinc(ii) centered biologically active novel N,N,O donor tridentate water-soluble hydrazide-based O-carboxymethyl chitosan Schiff base metal complexes: synthesis and characterisation

2019 ◽  
Vol 43 (24) ◽  
pp. 9540-9554 ◽  
Author(s):  
Manimohan Murugaiyan ◽  
S. Pugal Mani ◽  
Mohamed Aboobucker Sithique
Keyword(s):  
Schiff Base ◽  
Metal Complexes ◽  
Base Metal ◽  
Carboxymethyl Chitosan ◽  
Water Soluble ◽  
Biologically Active ◽  
Schiff Base Derivatives ◽  
Schiff Base Metal Complexes ◽  
Potential Use ◽  
Chitosan Schiff Base

In this study, novel eco-friendly and water-soluble chitosan Schiff base derivatives have been designed for potential use in antimicrobial applications.

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