New Polymer Syntheses Part 60: A Facile Synthetic Route to Polyamides Based on Thieno[2,3-<italic style="font-style: italic">b</italic>]thiophene and Their Corrosion Inhibition Behavior

Kamal I. Aly; Amr H. Moustafa; Essam K. Ahmed; Hany M. Abd El-lateef; Mohamed Gamal Mohamed; Sahar M. Mohamed

doi:10.1007/s10118-018-2101-3

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New Polymer Syntheses Part 60: A Facile Synthetic Route to Polyamides Based on Thieno[2,3-b]thiophene and Their Corrosion Inhibition Behavior

ARTICLE | Updated：2021-02-18

- New Polymer Syntheses Part 60: A Facile Synthetic Route to Polyamides Based on Thieno[2,3-b]thiophene and Their Corrosion Inhibition Behavior
- Chinese Journal of Polymer Science Vol. 36, Issue 7, Pages: 835-847(2018)
- Affiliations：
  
  a.Polymer Research Lab, Chemistry Department, Faculty of Science, Assiut University, Assiut 71516, Egypt
  b.Chemistry Department, Faculty of Science, Sohag University, Sohag 82524, Egypt
  c.Chemistry Department, Faculty of Science, Minia University, El-Minia 61519, Egypt
  d.Chemistry Department, College of Science, King Faisal university, Al Hufuf, 31982 Al Hassa, Saudi Arabia
- Author bio：
  
  amr_hassanegypt@ymail.com amr_hassanegypt@science.sohag.edu.eg
- Funds：
- DOI：10.1007/s10118-018-2101-3
  CLC：
- Received：17 September 2017，
  
  Accepted：09 December 2017，
  
  Online First：27 March 2018，
  
  Published：2018-07
- Accepted：
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Kamal I. Aly, Amr H. Moustafa, Essam K. Ahmed, et al. New Polymer Syntheses Part 60: A Facile Synthetic Route to Polyamides Based on Thieno[2,3-b]thiophene and Their Corrosion Inhibition Behavior[J]. Chinese Journal of Polymer Science, 2018, 36(7): 835-847. DOI: 10.1007/s10118-018-2101-3.
DOI：

Kamal I. Aly, Amr H. Moustafa, Essam K. Ahmed, et al. New Polymer Syntheses Part 60: A Facile Synthetic Route to Polyamides Based on Thieno[2,3-b]thiophene and Their Corrosion Inhibition Behavior[J]. Chinese Journal of Polymer Science, 2018, 36(7): 835-847. DOI: 10.1007/s10118-018-2101-3. DOI：

摘要

Abstract

Polyamides containing thieno[2

]thiophene moiety were prepared

via

a simple polycondensation reaction of the diaminothieno[2

]thiophene monomer

with different kinds of diacid chlorides (including oxalyl

adipoyl

sebacoyl

isophthaloyl

terephthaloyl

4′-azodibenzoyl

3′-azodibenzoyl

-phenylene diacryloyl) in the presence of LiCl and NMP as a solvent through low-temperature solution polycondensation. The chemical structures of model compound and synthesized polyamides were confirmed by FTIR

nuclear magnetic resonance spectroscopy (including

H-NMR and

C-NMR) and elemental analysis. In addition

the thermal stability

crystallinity structure and surface morphology of synthesized polyamides were characterized

via

thermogravametric analysis (TGA)

wide-angle X-ray diffraction analysis (WAXD) and scanning electron microscopy (SEM). Also

the corrosion inhibition behavior of selected examples of polyamides was investigated; the inhibitive effect of the investigated polymers for carbon steel in 1.0 mol·L

−1

HCl was studied using potentiodynamic polarization (PDP) and electrochemical impedance spectroscopy (EIS) methods. PDP results displayed that the polyamides containing thieno[2

]thiophene moiety can be as mixed-type inhibitors. The inhibition efficiency (

%) was found to be in the range from 67.13% to 96.01%. There is an increase in

by the synthesized polymers in comparison to the starting monomer. The adsorption of these polymers was found to obey Langmuir adsorption isotherm.

关键词

Keywords

references

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⁰

New Polymer Syntheses Part 60: A Facile Synthetic Route to Polyamides Based on Thieno[2,3-b]thiophene and Their Corrosion Inhibition Behavior

DOI：10.1007/s10118-018-2101-3

摘要

Abstract

关键词

Keywords

references