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A platform for research: civil engineering, architecture and urbanism
Utilization of Polydimethylsiloxane (PDMS) in polymer cement-based coating to improve marine environment service performance
https://orcid.org/0000-0002-3615-6520
Highlights The PDMS modified polyacrylate emulsion with high compatibility with calcium sulphoaluminate cement was prepared. Polymer CSA cement-based coating with significantly improved properties was prepared. The mechanism of PDMS improving the mechanical properties and Marine erosion resistance of coating was elucidated. The interesting changes in the contact angle and water absorption after UV aging and saltwater immersion were explained.
Abstract The service performance of the polymer-cement-based coating in the marine environment is unsatisfactory, mainly due to the poor anti- deteriorated and anti-UV aging properties. In this paper, a high-performance polymer cement-based coating was fabricated mainly based on the harmless introduction of PDMS and its enhancing effect on hydrophobicity and UV aging resistance. The thick coating exhibits good mechanical properties while having an internal CA > 130° and 99.3 % of anti- deteriorated efficiency. After UV aging and saltwater immersion, the coating still maintains a dense-intact internal microstructure and a lower loss ratio of properties. The relative mechanisms were also revealed.
Utilization of Polydimethylsiloxane (PDMS) in polymer cement-based coating to improve marine environment service performance
https://orcid.org/0000-0002-3615-6520
Highlights The PDMS modified polyacrylate emulsion with high compatibility with calcium sulphoaluminate cement was prepared. Polymer CSA cement-based coating with significantly improved properties was prepared. The mechanism of PDMS improving the mechanical properties and Marine erosion resistance of coating was elucidated. The interesting changes in the contact angle and water absorption after UV aging and saltwater immersion were explained.
Abstract The service performance of the polymer-cement-based coating in the marine environment is unsatisfactory, mainly due to the poor anti- deteriorated and anti-UV aging properties. In this paper, a high-performance polymer cement-based coating was fabricated mainly based on the harmless introduction of PDMS and its enhancing effect on hydrophobicity and UV aging resistance. The thick coating exhibits good mechanical properties while having an internal CA > 130° and 99.3 % of anti- deteriorated efficiency. After UV aging and saltwater immersion, the coating still maintains a dense-intact internal microstructure and a lower loss ratio of properties. The relative mechanisms were also revealed.
Utilization of Polydimethylsiloxane (PDMS) in polymer cement-based coating to improve marine environment service performance
https://orcid.org/0000-0002-3615-6520
Highlights The PDMS modified polyacrylate emulsion with high compatibility with calcium sulphoaluminate cement was prepared. Polymer CSA cement-based coating with significantly improved properties was prepared. The mechanism of PDMS improving the mechanical properties and Marine erosion resistance of coating was elucidated. The interesting changes in the contact angle and water absorption after UV aging and saltwater immersion were explained.
Abstract The service performance of the polymer-cement-based coating in the marine environment is unsatisfactory, mainly due to the poor anti- deteriorated and anti-UV aging properties. In this paper, a high-performance polymer cement-based coating was fabricated mainly based on the harmless introduction of PDMS and its enhancing effect on hydrophobicity and UV aging resistance. The thick coating exhibits good mechanical properties while having an internal CA > 130° and 99.3 % of anti- deteriorated efficiency. After UV aging and saltwater immersion, the coating still maintains a dense-intact internal microstructure and a lower loss ratio of properties. The relative mechanisms were also revealed.
Utilization of Polydimethylsiloxane (PDMS) in polymer cement-based coating to improve marine environment service performance
Lu, Shuo (author) / Zhao, Piqi (author) / Liang, Chen (author) / Liu, Lele (author) / Qin, Zichen (author) / Wang, Shoude (author) / Hou, Pengkun (author) / Lu, Lingchao (author)
2023-01-08
Article (Journal)
Electronic Resource
English
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