Dynamically oleophobic epoxy coating with surface enriched in silicone

Yang Wang, Yong Fan, Ping Zhang, Limei Tian, Jianing Xu, Shichao Niu, Luquan Ren, Jie Zhao, Weihua Ming

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

We successfully prepared a dynamically oleophobic epoxy coating with low contact angle hysteresis (≤ 5.2°) for different low surface-tension liquids. Due to significant enrichment of covalently bonded polydimethylsiloxane (PDMS) at the coating surface, the obtained coating displays remarkable repellency against various low surface-tension liquids, including hexadecane, dodecane, decane, and soybean oil, as well as anti-smudge property and strong interfacial adhesion towards various substrates. Moreover, these excellent surface/interfacial properties have demonstrated to be very robust after being subjected to different environments (low pH, high pH, heating, and UV exposure). This type of coating may find promising applications in a broad range of fields where oil repellency is desired.

Original languageEnglish
Article number106170
JournalProgress in Organic Coatings
Volume154
DOIs
StatePublished - May 2021

Keywords

  • Anti-smudge
  • Interfacial adhesion
  • Oil repellency
  • Surface segregation

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