Supporting Information Series of Liquid Separation System Made of ...
Supporting Information
Series of Liquid Separation System Made of Homogeneous Copolymer Films with Controlled Surface Wettability Moo Jin Kwak, Myung Seok Oh, Youngmin Yoo, Jae Bem You, Ji Yeon Kim, Seung Jung
Yu, and Sung Gap Im *
Department of Chemical and Biomolecular Engineering and KI for the NanoCentury, Korea Advanced Institute
of Science and Technology (KAIST), Daejeon, Republic of Korea 305-701
Figure S1. Photographs of V4D4, 4VP monomer, and Mixture with two monomers.
Table S1. Surface free energy components of liquids.1, 2, 3
Figure S2.SEM images (80 x and 4000 x (inset)) of bare (left) and p(V4D4-co-4VP)-coated polyesterfabric (right).
Figure S3. Surface free energy γS (mJ/m2) of iCVD copolymer 1, iCVD copolymer 2, iCVD copolymer 3 and pV4D4 (***p < 0.001, **** p < 0.0001 vs. pV4D4 group, n=4).
Figure S4. Water contact angle values of Si wafer coated by copolymer1 (green), copolymer2 (blue), copolymer3 (red), and pV4D4 (black) exposed to (a) DI water, (b) glycerol, (c) EG, and (d) olive oil at 25°C with designated time interval.
Surface energy calculation using contact angle information of two liquids with modified Van Oss-Chaudhury-Good (OCG) equation. The surface energy of p4VP film could be calculated by measuring the contact angle of liquids, water and diiodomethane, and modified OCG equation (1), 𝛾𝐿 (1 + 𝑐𝑜𝑠𝜃) = 2√𝛾𝑆 𝐿𝑊 𝛾𝐿 𝐿𝑊 + 2√𝛾𝑆 𝑝 𝛾𝐿 𝑝 (1) , where the subscript Land S correspond to solid and liquid, and θ is contact angle of liquid. Using the contact angle (θ) and the known surface tension information of the liquids (γL, γLLWand γLP),two simultaneous equations arerepresentedincludingtwo unknown components and then all the surface energy components of solid,γSLWand γSP, can be obtained.Total
surface energy of solid, γs, can be calculated using this equation:γs = γsLW+ γsp.
Interfacial energy calculation between p4VP and liquids using young’s equation and modified surface energy equation. The modified interfacial energy was represented from equation (1) and young’s equation: 𝛾𝑆 = 𝛾𝑆𝐿 + 𝛾𝐿 𝑐𝑜𝑠𝜃 𝛾𝑆𝐿 = 𝛾𝑆 + 𝛾𝐿 − 2√𝛾𝑆 𝐿𝑊 𝛾𝐿 𝐿𝑊 − 2√𝛾𝑆 𝑝 𝛾𝐿 𝑝
(2)
, Where the γSL correspond to interfacial energy between solid and liquid.Using equation (2) andsurface energy information of p4VP and liquids, water, glycerol, EG and olive oil, interfacial energy can be obtained.
Movie S1. Separation movie of water and glycerolusing copolymer 1 coated polyester fabric.
Movie S2. Separation movie of homogeneous mixed water and glycerol using copolymer 1 coated polyester fabric.
Movie S3. Separation movie of emulsifiedwater and 2-nitrotoluene using copolymer 3 coated polyester fabric.
Movie S4. Separation movie of surfactant added emulsion of water and glycerol using copolymer 3 coated polyester fabric.
REFERENCES (1) Onoe, H.; Matsumoto, K.; Shimoyama, I., J. Microelectromech. Syst. 2004,13, 603. (2) A, Halpem.,J. Phys. Chem. 1949,53, 895. (3) CJ, Oss.; RJ Good.; RJ Busscher.,J. Dispersion Sci. Technol. 1910,1, 11.
Series of Liquid Separation System Made of Homogeneous Copolymer Films with Controlled Surface Wettability Moo Jin Kwak, Myung Seok Oh, Youngmin Yoo, Jae Bem You, Ji Yeon Kim, Seung Jung
Yu, and Sung Gap Im *
Department of Chemical and Biomolecular Engineering and KI for the NanoCentury, Korea Advanced Institute
of Science and Technology (KAIST), Daejeon, Republic of Korea 305-701
Figure S1. Photographs of V4D4, 4VP monomer, and Mixture with two monomers.
Table S1. Surface free energy components of liquids.1, 2, 3
Figure S2.SEM images (80 x and 4000 x (inset)) of bare (left) and p(V4D4-co-4VP)-coated polyesterfabric (right).
Figure S3. Surface free energy γS (mJ/m2) of iCVD copolymer 1, iCVD copolymer 2, iCVD copolymer 3 and pV4D4 (***p < 0.001, **** p < 0.0001 vs. pV4D4 group, n=4).
Figure S4. Water contact angle values of Si wafer coated by copolymer1 (green), copolymer2 (blue), copolymer3 (red), and pV4D4 (black) exposed to (a) DI water, (b) glycerol, (c) EG, and (d) olive oil at 25°C with designated time interval.
Surface energy calculation using contact angle information of two liquids with modified Van Oss-Chaudhury-Good (OCG) equation. The surface energy of p4VP film could be calculated by measuring the contact angle of liquids, water and diiodomethane, and modified OCG equation (1), 𝛾𝐿 (1 + 𝑐𝑜𝑠𝜃) = 2√𝛾𝑆 𝐿𝑊 𝛾𝐿 𝐿𝑊 + 2√𝛾𝑆 𝑝 𝛾𝐿 𝑝 (1) , where the subscript Land S correspond to solid and liquid, and θ is contact angle of liquid. Using the contact angle (θ) and the known surface tension information of the liquids (γL, γLLWand γLP),two simultaneous equations arerepresentedincludingtwo unknown components and then all the surface energy components of solid,γSLWand γSP, can be obtained.Total
surface energy of solid, γs, can be calculated using this equation:γs = γsLW+ γsp.
Interfacial energy calculation between p4VP and liquids using young’s equation and modified surface energy equation. The modified interfacial energy was represented from equation (1) and young’s equation: 𝛾𝑆 = 𝛾𝑆𝐿 + 𝛾𝐿 𝑐𝑜𝑠𝜃 𝛾𝑆𝐿 = 𝛾𝑆 + 𝛾𝐿 − 2√𝛾𝑆 𝐿𝑊 𝛾𝐿 𝐿𝑊 − 2√𝛾𝑆 𝑝 𝛾𝐿 𝑝
(2)
, Where the γSL correspond to interfacial energy between solid and liquid.Using equation (2) andsurface energy information of p4VP and liquids, water, glycerol, EG and olive oil, interfacial energy can be obtained.
Movie S1. Separation movie of water and glycerolusing copolymer 1 coated polyester fabric.
Movie S2. Separation movie of homogeneous mixed water and glycerol using copolymer 1 coated polyester fabric.
Movie S3. Separation movie of emulsifiedwater and 2-nitrotoluene using copolymer 3 coated polyester fabric.
Movie S4. Separation movie of surfactant added emulsion of water and glycerol using copolymer 3 coated polyester fabric.
REFERENCES (1) Onoe, H.; Matsumoto, K.; Shimoyama, I., J. Microelectromech. Syst. 2004,13, 603. (2) A, Halpem.,J. Phys. Chem. 1949,53, 895. (3) CJ, Oss.; RJ Good.; RJ Busscher.,J. Dispersion Sci. Technol. 1910,1, 11.
