Study On Preparation And Properties Of Trifluorocompound And Sepiolite Composite Materials

This paper discusses several simple methods for processing raw ore sepiolite.After the treated sepiolite,the trifluoro compound is loaded on the sepiolite by mechanical grinding to obtain a modified sepiolite composite material.The composite material sample is made into a hydrophobic film with a screen printing device.The wetting performance,rolling angle,oil-water separation performance,self-cleaning performance,mechanical stability performance,acid and alkali resistance performance,temperature resistance performance and long-term stability performance of the hydrophobic film were discussed.The physical map of the sepiolite after processing and the physical map of the original ore sepiolite are also compared and analyzed.The main content of this article includes the following five aspects:?1?The original ore sepiolite was preliminarily purified.Copper trifluoromethanesulfonate and copper trifluoroacetate tetrahydrate were loaded on sepiolite by mechanical grinding.Three samples were obtained:raw ore sepiolite,copper trifluoromethanesulfonate/raw ore sepiolite,copper trifluoroacetate tetrahydrate/raw ore sepiolite.The three samples were tested by XRD,SEM,TEM,BET,XPS,FT-IR,and EDS,which proved that the samples were successfully prepared.The screen printing technology was used to make the sample into a hydrophobic film,and the sample was tested for wetting performance,rolling angle,oil-water separation performance,self-cleaning performance,mechanical stability performance,and acid and alkali resistance performance.?2?Sepiolite was treated with 1 mol/L hydrochloric acid to obtain HCl-sep sample.And the copper triflate was loaded on the HCl-sep sample by mechanical grinding to obtain the Cu F-HCl-sep sample.The two samples were tested by XRD,SEM,TEM,BET,XPS,FT-IR,and EDS,which proved that the samples were successfully prepared.Two samples were made into a hydrophobic film using a screen printing device.The wettability,rolling angle,oil-water separation performance,self-cleaning performance,mechanical stability and acid and alkali resistance of the sample were explored.The color difference between the sample HCl-sep and the original ore sepiolite was compared.?3?Sepiolite was treated with oxalic acid solution concentration gradient to obtain a series of sepiolite samples with oxalic acid solution concentration gradient treatment.The sepiolite sample 0.5-H₂C₂O₄-sep was selected,and nickel triflate was loaded on the sepiolite sample 0.5-H₂C₂O₄-sep by mechanical grinding to obtain the sepiolite sample Ni F-0.5-H₂C₂O₄-sep.XRD,SEM,TEM,BET,XPS,FT-IR,and EDS tests were performed on the two samples,which proved that the samples were successfully prepared.Using a screen printing device to prepare the sample into a hydrophobic film,the wettability,rolling angle,oil-water separation performance,self-cleaning performance,mechanical stability,acid and alkali resistance,and water temperature tolerance of the sample were explored.The color difference between the sample 0.5-H₂C₂O₄-sep and the original ore sepiolite was compared.?4?Sepiolite was modified with ammonium fluoride solution concentration gradient to obtain a series of ammonium fluoride solution concentration gradient treatment samples of sepiolite.Sample 2.0-NH₄F-sep was selected,and nickel trifluoroacetate tetrahydrate was loaded on 2.0-NH₄F-sep by mechanical grinding to obtain Ni FCO-2.0-NH₄F-sep sample.XRD,SEM,TEM,BET,XPS,FT-IR,and EDS tests were performed on the two samples,which proved that the samples were successfully prepared.The screen printing device was used to prepare the sample into a hydrophobic film,and the wettability,rolling angle,oil-water separation performance,self-cleaning performance,mechanical stability,acid and alkali resistance,water temperature tolerance,and long-term stability of the sample were investigated.A series of ammonium fluoride solution concentration gradient treatment of sepiolite samples were compared with the original ore sepiolite.?5?Treating sepiolite with composite components,Na Cl O-HCl-EDTA-sep and H₂C₂O₄-HCl-EDTA-sep were obtained.Manganese trifluoromethanesulfonate was supported on sepiolite samples by mechanical grinding to obtain Mn F-Na Cl O-HCl-EDTA-sep samples and Mn F-H₂C₂O₄-HCl-EDTA-sep samples.XRD,SEM,TEM,BET,XPS,FT-IR,and EDS tests were performed on the two samples,which proved that the samples were successfully prepared.The screen printing device was used to prepare the sample into a hydrophobic film,and the wettability,rolling angle,oil-water separation performance,self-cleaning performance,mechanical stability,acid and alkali resistance,water temperature tolerance,and long-term stability of the sample were investigated.The color difference between the two samples Mn F-Na Cl O-HCl-EDTA-sep and Mn F-H₂C₂O₄-HCl-EDTA-sep was compared with the original ore sepiolite.