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Adsorption of amphiphilic grafted polymers as polymer corrosion inhibitors: insights from mesoscopic simulations
- 1.0557489 - ÚCHP 2023 RIV GB eng J - Článek v odborném periodiku
Díaz, Ch. - Soltau, M. - Lísal, Martin - Carbone, P. - Pagonabarraga, I.
Adsorption of amphiphilic grafted polymers as polymer corrosion inhibitors: insights from mesoscopic simulations.
Physical Chemistry Chemical Physics. Roč. 24, č. 19 (2022), s. 11992-12001. ISSN 1463-9076. E-ISSN 1463-9084
GRANT EU: European Commission(XE) 760907 - VIMPP
Grant ostatní: MC(ES) PGC2018- 098373-B-100 AEI/FEDER-EU; GC(ES) 2017SGR-884; SNSF(CH) 200021-175719
Institucionální podpora: RVO:67985858
Klíčová slova: dissipative particle dynamics * diblock copolymer * selective solvents
Obor OECD: Physical chemistry
Impakt faktor: 3.3, rok: 2022
Způsob publikování: Omezený přístup
The homogeneous covering of amphiphillic polymer molecules onto metallic surfaces is of great importance for corrosion inhibitor applications. Lyophillic side chains grafted onto a lyophobic backbone act as anchors that allow the molecule to absorb at the metallic surface preventing the exposure with the solvent. Coarse-grained simulations are used to study the sorption and conformation behaviour of amphiphillic grafted polymers for corrosion inhibition. The backbone insolubility is found to play a key role in the sorption and conformation behaviour in the dilute limit. For finite concentrations, moderate backbone solubility and moderate molecule concentrations achieve optimal surface coverage, while highly a lyophobic backbone leads to bulk-like structures as a consequence of aggregation.
Trvalý link: http://hdl.handle.net/11104/0331448
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