Journal
COATINGS
Volume 11, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/coatings11040463
Keywords
basalt rockwool waste; inorganic fillers; polyaniline; epoxy resin; anti-corrosion; protection efficiency
Categories
Funding
- National Natural Science Foundation of China [51963008]
- Natural Science Foundation of Hainan Province [520MS015]
- Sichuan Qianyi Composite Material Co., Ltd. [zzzz002023451]
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The study demonstrates that polyaniline-coated basalt rockwool wastes have enhanced dispersion stability and improved anticorrosion performance in epoxy resin coatings, achieving a high protection efficiency of up to 97.7%. This research not only offers a promising solution to the issues caused by BRWs but also transforms these wastes into valuable substances.
Basalt rockwool wastes with large output, which are toxic and require expensive environmental treatment, are produced during the production of rock wool. Hence, it is urgent to find an effective method to reuse these materials. In this study, polyaniline (PANI)-coated basalt rockwool wastes (BRWs) were prepared as fillers to serve in coatings for the anticorrosion study. Results show that the PANI-coated BRW (PANI@BRW) had enhanced dispersion stability in several conventional solvents and improved the anticorrosion performance of the epoxy resin coating. A high protection efficiency of 97.7% could be obtained from the coating with 5% fillers after immersion for 30 days. This study not only provides a promising method of solving the issues caused by BRW, but also turns these wastes into valuable substances.
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