Cyclopolymers from N,N-diallyl-N-propargyl-(12-N′-formylamino)-1-dodecylammonium chloride and their use as inhibitors for mild steel corrosion

Ali, Shaikh A.; Zaidi, S. M. Javaid; Elsharif, Asma M.; Al-Taq, Ali A.

doi:10.1007/s00289-012-0765-3

Cited by 10 publications

(4 citation statements)

References 21 publications

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“…With one allyl and one propargyl, groups could be cyclopolymerized with sulfur dioxide to give linear and water-soluble macromolecules, with a five-membered cyclic structure embedded in the polymer chain . Amide-based systems, in a slight variation of the main design reported in Figure , have also been reported to cyclopolymerize, to afford five- or six-membered rings repeating units. − …”

Section: Radical Cyclopolymerizationmentioning

confidence: 99%

Cyclopolymerizations: Synthetic Tools for the Precision Synthesis of Macromolecular Architectures

2018

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Monomers possessing two functionalities suitable for polymerization are often designed and utilized in syntheses directed to the formation of cross-linked macromolecules. In this review, we give an account of recent developments related to the use of such monomers in cyclopolymerization processes, in order to form linear, soluble macromolecules. These processes can be activated by means of radical, ionic, or transition-metal mediated chain-growth polymerization mechanisms, to achieve cyclic moieties of variable ring size which are embedded within the polymer backbone, driving and tuning peculiar physical properties of the resulting macromolecules. The two functionalities are covalently linked by a "tether", which can be appropriately designed in order to "imprint" elements of chemical information into the polymer backbone during the synthesis and, in some cases, be removed by postpolymerization reactions. The two functionalities can possess identical or even very different reactivities toward the polymerization mechanism involved; in the latter case, consequences and outcomes related to the sequence-controlled, precision synthesis of macromolecules have been demonstrated. Recent advances in new initiating systems and polymerization catalysts enabled the precision syntheses of polymers with regulated cyclic structures by highly regio- and/or stereoselective cyclopolymerization. Cyclopolymerizations involving double cyclization, ring-opening, or isomerization have been also developed, generating unique repeating structures, which can hardly be obtained by conventional polymerization methods.

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Section: Radical Cyclopolymerizationmentioning

confidence: 99%

Cyclopolymerizations: Synthetic Tools for the Precision Synthesis of Macromolecular Architectures

2018

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“…Ali et al [52] studied the corrosion inhibition of monomers, its precursor, and the resulting polymers (Fig. 2) on mild steel corrosion in acidic and saline media at 60 o C using gravimetric and electrochemical methods.…”

Section: Synthetic Polymers As Corrosion Inhibitors Of Mild Steelmentioning

confidence: 99%

Recent Developments on the Use of Polymers as Corrosion Inhibitors - A Review

Umoren

Solomon²

2014

TOMSJ

114

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Abstract:The use of corrosion inhibitors is the one the most economical and practical means of controlling metallic corrosion in different corrosive media. Interest on the use of eco-friendly organic compounds as corrosion inhibitors has extended to the use of polymers to inhibit metallic corrosion. The use of polymers as corrosion inhibitors has attracted attention and has gained wide acceptance in recent times. This has been attributed to a number of factors namely: (i) they are low cost and stable to metallic materials in acid media, (ii) they possess multiple adsorption sites, (iii) through their functional groups, they form complexes with metal ions and on the metal surface these complexes occupy a large area, thereby blanketing the surface and protecting the metal from corrosive agents present in the solution. A number of synthetic and natural polymers as metallic corrosion inhibitors have been investigated and reported. As an update to previous review work on the use of polymers as corrosion inhibitors, the present review presents most of the contributions made to the literature on the use of polymers as corrosion inhibitors of diverse metals in different corrosive media in the last four (2010)(2011)(2012)(2013) years.

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“…Tertiary amine 2 on alkylation with allyl chloride and propargyl chloride afforded the quaternary salts 3 and 4, respectively. The synthesized compounds were examined as corrosion inhibitors and compared with inhibiting activities of compounds 9-11 [23].…”

Section: Resultsmentioning

confidence: 99%

Effect of Organo-Nitrogen Compounds on Inhibition Efficiency of Mild Steel Corrosion in Acidic Media

Elsharif¹

2017

Asian J. Chem.

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Some dodecylamine derivatives have been synthesized and were further elaborated by quaternization with an allyl group. The presence of diallyl moiety made some of these derivatives effective in inhibiting mild steel corrosion in acidic media. The study of mild steel corrosion was carried out using gravimetric and potentiodynamic polarization methods. At 60 °C, the inhibitors exhibited excellent inhibition efficiencies (% IE) of about 99 % (at 200 ppm) in 1 M HCl and about 11-97 % (at 400 ppm) in 0.5 M H2SO4. The inhibitors containing the diallyl moiety demonstrated the higher inhibition efficiencies in H2SO4. Some of the quaternary salts were effective in preventing corrosion in 3.5 % NaCl (% IE about 63-85 % at 200 ppm). The coordinate type of bond involving interactions of π-electrons with the iron d-orbitals allows the inhibitors to impede anodic oxidation of iron. The mechanisms emphasizing the role of the synthesized organonitrogen moieties in corrosion suppression process.

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Cyclopolymers from N,N-diallyl-N-propargyl-(12-N′-formylamino)-1-dodecylammonium chloride and their use as inhibitors for mild steel corrosion

Cited by 10 publications

References 21 publications

Cyclopolymerizations: Synthetic Tools for the Precision Synthesis of Macromolecular Architectures

Cyclopolymerizations: Synthetic Tools for the Precision Synthesis of Macromolecular Architectures

Recent Developments on the Use of Polymers as Corrosion Inhibitors - A Review

Effect of Organo-Nitrogen Compounds on Inhibition Efficiency of Mild Steel Corrosion in Acidic Media

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