We report a general method for the synthesis of polymer-decorated metal-organic frameworks(MOFs)for the fabrication of superhy-drophobic materials through photoinduced metal-free atom transfer radical polymerization(A...We report a general method for the synthesis of polymer-decorated metal-organic frameworks(MOFs)for the fabrication of superhy-drophobic materials through photoinduced metal-free atom transfer radical polymerization(ATRP).Firstly,an MOF material,ZIF-8-NH_(2),was syn-thesized through the self-assembly of metal ions and organic ligands at room temperature.ZIF-8-NH_(2)was then reacted with glycidyl methacry-late(GMA)to form ZIF-8@GMA.Finally,ZIF-8@GMA-PHFBA was prepared by grafting fluorinated monomer 2,2,3,4,4,4-hexafluorobutyl acrylate(HFBA),from the ZIF-8@GMA surface via photoinduced ATRP under 365 nm UV light.The structural evolution during the metal-free ATRP modifi-cation of ZIF-8-NH_(2)was characterized by Fourier transform infrared spectroscopy(FTIR),X-ray powder diffraction(XRD),X-ray photoelectron spectroscopy(XPS),scanning electron microscopy(SEM),and thermogravimetry analysis(TGA).The test results verified that ZIF-8-NH_(2)and ZIF-8@GMA-PHFBA were successfully synthesized,and that the surface graft polymerization did not change the structure and morphology of ZIF-8-NH_(2).After anchoring the ZIF-8@GMA-PHFBA hybrid material on the fabric surface,the water contact angle(WCA)of the ZIF-8@GMA-PHFBA hy-brid material-modified fabric surface reached 154.2,which achieved a superhydrophobic state.In addition,the oil-water separation experiment and self-cleaning test demonstrated that the ZIF-8@GMA-PHFBA hybrid material-modified fabric has an excellent oil-water separation effect and self-cleaning performance.This material shows promising potential for applications in self-cleaning and oil-water separation technologies.展开更多
基金supported by the Natural Science Foundation of Shandong Province(Nos.ZR2021ME126,ZR2022ME139,ZR2021ME149)the Key Research and Development Program of Shandong Province-Project for Enhancing the Innovation Capacity of Teschnology-based Small and Medium-sized Enterprises(No.2024TSGC0957)the Research Foundation of Liaocheng University(Nos.318012012 , 318011905).
文摘We report a general method for the synthesis of polymer-decorated metal-organic frameworks(MOFs)for the fabrication of superhy-drophobic materials through photoinduced metal-free atom transfer radical polymerization(ATRP).Firstly,an MOF material,ZIF-8-NH_(2),was syn-thesized through the self-assembly of metal ions and organic ligands at room temperature.ZIF-8-NH_(2)was then reacted with glycidyl methacry-late(GMA)to form ZIF-8@GMA.Finally,ZIF-8@GMA-PHFBA was prepared by grafting fluorinated monomer 2,2,3,4,4,4-hexafluorobutyl acrylate(HFBA),from the ZIF-8@GMA surface via photoinduced ATRP under 365 nm UV light.The structural evolution during the metal-free ATRP modifi-cation of ZIF-8-NH_(2)was characterized by Fourier transform infrared spectroscopy(FTIR),X-ray powder diffraction(XRD),X-ray photoelectron spectroscopy(XPS),scanning electron microscopy(SEM),and thermogravimetry analysis(TGA).The test results verified that ZIF-8-NH_(2)and ZIF-8@GMA-PHFBA were successfully synthesized,and that the surface graft polymerization did not change the structure and morphology of ZIF-8-NH_(2).After anchoring the ZIF-8@GMA-PHFBA hybrid material on the fabric surface,the water contact angle(WCA)of the ZIF-8@GMA-PHFBA hy-brid material-modified fabric surface reached 154.2,which achieved a superhydrophobic state.In addition,the oil-water separation experiment and self-cleaning test demonstrated that the ZIF-8@GMA-PHFBA hybrid material-modified fabric has an excellent oil-water separation effect and self-cleaning performance.This material shows promising potential for applications in self-cleaning and oil-water separation technologies.
