Polypyrrole-functionalized boron nitride nanosheets for high-performance anti-corrosion composite coating

Fushen Lu; Chenqi Liu; Zihua Chen; Udayakumar Veerabagu; Zhaobin Chen; Mingen Liu; Liangsheng Hu; Hong Xia; Limei Cha; Wenjing Zhang

doi:10.1016/j.surfcoat.2021.127273

Polypyrrole-functionalized boron nitride nanosheets for high-performance anti-corrosion composite coating

Fushen Lu^*, Chenqi Liu, Zihua Chen, Udayakumar Veerabagu, Zhaobin Chen, Mingen Liu, Liangsheng Hu, Hong Xia, Limei Cha, Wenjing Zhang

^*Corresponding author for this work

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

33 Scopus citations

Abstract

Boron nitride nanosheet (BNNS) is non-covalently functionalized with polypyrrole (PPy) and incorporated into epoxy for anti-corrosion coating, in which the functionalized BNNS (f-BNNS) exhibits excellent compatibility and dispersibility in the matrix. The f-BNNS_0.5-PPy₃/EP coating achieved a corrosion rate of 15 nm/year and a high impedance of 1.9 × 10⁷ Ω cm² after immersion in 3.5 wt% NaCl solution for 40 days, which are 58 times lower and two orders of magnitude larger than those of pure epoxy, respectively. The remarkably improved anti-corrosion activities of f-BNNS_0.5-PPy₃/EP coating may be mainly ascribed to the homogenous dispersion of insulative and hydrophobic BNNS in the matrix and the synergetic effect of polypyrrole.

Original language	English
Article number	127273
Journal	Surface and Coatings Technology
Volume	420
DOIs	https://doi.org/10.1016/j.surfcoat.2021.127273
State	Published - 25 Aug 2021

Keywords

Anti-corrosion
Boron nitride nanosheet
Composite coating
Epoxy
Polypyrrole
Steel

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10.1016/j.surfcoat.2021.127273

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title = "Polypyrrole-functionalized boron nitride nanosheets for high-performance anti-corrosion composite coating",

abstract = "Boron nitride nanosheet (BNNS) is non-covalently functionalized with polypyrrole (PPy) and incorporated into epoxy for anti-corrosion coating, in which the functionalized BNNS (f-BNNS) exhibits excellent compatibility and dispersibility in the matrix. The f-BNNS0.5-PPy3/EP coating achieved a corrosion rate of 15 nm/year and a high impedance of 1.9 × 107 Ω cm2 after immersion in 3.5 wt% NaCl solution for 40 days, which are 58 times lower and two orders of magnitude larger than those of pure epoxy, respectively. The remarkably improved anti-corrosion activities of f-BNNS0.5-PPy3/EP coating may be mainly ascribed to the homogenous dispersion of insulative and hydrophobic BNNS in the matrix and the synergetic effect of polypyrrole.",

keywords = "Anti-corrosion, Boron nitride nanosheet, Composite coating, Epoxy, Polypyrrole, Steel",

author = "Fushen Lu and Chenqi Liu and Zihua Chen and Udayakumar Veerabagu and Zhaobin Chen and Mingen Liu and Liangsheng Hu and Hong Xia and Limei Cha and Wenjing Zhang",

note = "Publisher Copyright: {\textcopyright} 2021 Elsevier B.V.",

year = "2021",

month = aug,

day = "25",

doi = "10.1016/j.surfcoat.2021.127273",

language = "英语",

volume = "420",

journal = "Surface and Coatings Technology",

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TY - JOUR

T1 - Polypyrrole-functionalized boron nitride nanosheets for high-performance anti-corrosion composite coating

AU - Lu, Fushen

AU - Liu, Chenqi

AU - Chen, Zihua

AU - Veerabagu, Udayakumar

AU - Chen, Zhaobin

AU - Liu, Mingen

AU - Hu, Liangsheng

AU - Xia, Hong

AU - Cha, Limei

AU - Zhang, Wenjing

PY - 2021/8/25

Y1 - 2021/8/25

N2 - Boron nitride nanosheet (BNNS) is non-covalently functionalized with polypyrrole (PPy) and incorporated into epoxy for anti-corrosion coating, in which the functionalized BNNS (f-BNNS) exhibits excellent compatibility and dispersibility in the matrix. The f-BNNS0.5-PPy3/EP coating achieved a corrosion rate of 15 nm/year and a high impedance of 1.9 × 107 Ω cm2 after immersion in 3.5 wt% NaCl solution for 40 days, which are 58 times lower and two orders of magnitude larger than those of pure epoxy, respectively. The remarkably improved anti-corrosion activities of f-BNNS0.5-PPy3/EP coating may be mainly ascribed to the homogenous dispersion of insulative and hydrophobic BNNS in the matrix and the synergetic effect of polypyrrole.

AB - Boron nitride nanosheet (BNNS) is non-covalently functionalized with polypyrrole (PPy) and incorporated into epoxy for anti-corrosion coating, in which the functionalized BNNS (f-BNNS) exhibits excellent compatibility and dispersibility in the matrix. The f-BNNS0.5-PPy3/EP coating achieved a corrosion rate of 15 nm/year and a high impedance of 1.9 × 107 Ω cm2 after immersion in 3.5 wt% NaCl solution for 40 days, which are 58 times lower and two orders of magnitude larger than those of pure epoxy, respectively. The remarkably improved anti-corrosion activities of f-BNNS0.5-PPy3/EP coating may be mainly ascribed to the homogenous dispersion of insulative and hydrophobic BNNS in the matrix and the synergetic effect of polypyrrole.

KW - Anti-corrosion

KW - Boron nitride nanosheet

KW - Composite coating

KW - Epoxy

KW - Polypyrrole

KW - Steel

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U2 - 10.1016/j.surfcoat.2021.127273

DO - 10.1016/j.surfcoat.2021.127273

M3 - 文章

AN - SCOPUS:85107312969

SN - 0257-8972

VL - 420

JO - Surface and Coatings Technology

JF - Surface and Coatings Technology

M1 - 127273

ER -

Polypyrrole-functionalized boron nitride nanosheets for high-performance anti-corrosion composite coating

Abstract

Keywords

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