Surface modified molybdenum disulfide nanosheets for corrosion resistance improvement on polyurethane coatings
Source abstract
Abstract
Abstract Organic–inorganic hybrid coating has been applied on metallic corrosion protection effectively. Molybdenum disulfide (MoS2) nanosheets with graphene-like two-dimensional lamellar structure were an anticorrosion inorganic additive, rendering the organic coating better corrosion resistant. However, the aggregation and poor solubility are still current issues that should be addressed. Functionalization MoS2 nanosheets with surface modified by polydopamine (PDA) and silane coupling agent (KH560) were prepared in polyurethane (PU) composite coatings to obtain dense and intact multilayer network structure coatings for corrosion protection. KH560-PDA-MoS2/PU coating with crosslinked polymer network structure has a high impedance modulus, large contact angle, and strong hydrophobicity. The coating meets the national technical standards for salt spray testing and nitric acid (HNO3) titration testing, demonstrating excellent corrosion resistance.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Corrosion Behavior and Inhibition · Advanced Sensor and Energy Harvesting Materials · Conducting polymers and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Qinghai Provincial Key Laboratory of New Light Alloys, Qinghai Provincial Engineering Research Center of High Performance Light Metal Alloys and Forming , 207475 Qinghai University , Xi’ning 810016 , China
Institute of Materials , 12604 China Academy of Engineering Physics , Jiangyou 621908 , China
Hydrogeology and Engineering Geological Prospecting Institute of Qinghai , Xi’ning 810008 , China
Funding
Special project of Qinghai Provincial Department of Science and Technology · Natural Science Foundation of Sichuan Province · Science and Technology on Surface Physics and Chemistry Laboratory Fund
References (32)
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