Self-healing anti-corrosion coatings based on polymers of intrinsic microporosity for the protection of aluminum alloy

Zhen Li; Benye Qin; Xiaoyong Zhang; Ke Wang; Yen Wei; Yan Ji

doi:10.1039/c5ra19614k

Self-healing anti-corrosion coatings based on polymers of intrinsic microporosity for the protection of aluminum alloy

Zhen Li, Benye Qin, Xiaoyong Zhang, Ke Wang, Yen Wei, Yan Ji

Tsinghua University

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

29 Scopus citations

Abstract

Polymers of intrinsic microporosity (PIMs) combine both advantages of microporous structure and good processability. In this paper, we demonstrate the potential use of PIM1 in self-healable anti-corrosion coatings for aluminum alloy 2024 (AA2024). Before the AA2024 is coated by commercial top paint, it is dip coated by a solution containing corrosion inhibitor benzotriazole (BTA) and PIM1. As the solvent evaporates, a BTA loaded PIM1 film forms. It is shown that BTA can be sustainably released, especially when damage occurs. This novel coating system exhibits notable improvement in the corrosion resistance of AA2024.

Original language	English
Pages (from-to)	104451-104457
Number of pages	7
Journal	RSC Advances
Volume	5
Issue number	126
DOIs	https://doi.org/10.1039/c5ra19614k
State	Published - 7 Dec 2015
Externally published	Yes

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abstract = "Polymers of intrinsic microporosity (PIMs) combine both advantages of microporous structure and good processability. In this paper, we demonstrate the potential use of PIM1 in self-healable anti-corrosion coatings for aluminum alloy 2024 (AA2024). Before the AA2024 is coated by commercial top paint, it is dip coated by a solution containing corrosion inhibitor benzotriazole (BTA) and PIM1. As the solvent evaporates, a BTA loaded PIM1 film forms. It is shown that BTA can be sustainably released, especially when damage occurs. This novel coating system exhibits notable improvement in the corrosion resistance of AA2024.",

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AU - Li, Zhen

AU - Qin, Benye

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AU - Wang, Ke

AU - Wei, Yen

AU - Ji, Yan

PY - 2015/12/7

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N2 - Polymers of intrinsic microporosity (PIMs) combine both advantages of microporous structure and good processability. In this paper, we demonstrate the potential use of PIM1 in self-healable anti-corrosion coatings for aluminum alloy 2024 (AA2024). Before the AA2024 is coated by commercial top paint, it is dip coated by a solution containing corrosion inhibitor benzotriazole (BTA) and PIM1. As the solvent evaporates, a BTA loaded PIM1 film forms. It is shown that BTA can be sustainably released, especially when damage occurs. This novel coating system exhibits notable improvement in the corrosion resistance of AA2024.

AB - Polymers of intrinsic microporosity (PIMs) combine both advantages of microporous structure and good processability. In this paper, we demonstrate the potential use of PIM1 in self-healable anti-corrosion coatings for aluminum alloy 2024 (AA2024). Before the AA2024 is coated by commercial top paint, it is dip coated by a solution containing corrosion inhibitor benzotriazole (BTA) and PIM1. As the solvent evaporates, a BTA loaded PIM1 film forms. It is shown that BTA can be sustainably released, especially when damage occurs. This novel coating system exhibits notable improvement in the corrosion resistance of AA2024.

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Self-healing anti-corrosion coatings based on polymers of intrinsic microporosity for the protection of aluminum alloy

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