Preparation of nanoporous films from self-assembled poly(vinyl chloride-g-methyl methacrylate) graft copolymer

Joo Hwan Koh; Su Jin Byun; Won Seok Chi; Jong Hak Kim

doi:10.1007/s11814-011-0265-4

Preparation of nanoporous films from self-assembled poly(vinyl chloride-g-methyl methacrylate) graft copolymer

Joo Hwan Koh, Su Jin Byun, Won Seok Chi, Jong Hak Kim

Department of Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

We report on the preparation of nanoporous films based on an amphiphilic graft copolymer of poly(vinyl chloride-graft-methyl methacrylate), i. e., PVC-g-PMMA. The PVC-g-PMMA graft copolymer was synthesized via atom transfer radical polymerization (ATRP), as confirmed by nuclear magnetic resonance spectroscopy ( ¹H NMR), Fourier transform-infrared (FT-IR) spectroscopy, and gel permeation chromatography (GPC) analysis. The PVC-g-PMMA graft copolymer molecularly self-assembled into nanophase domains of PVC main chains and PMMA side chains, as revealed by wide angle X-ray scattering (WAXS) and transmission electron microscopy (TEM). The graft copolymer film prepared from tetrahydrofuran (THF), a good solvent for both chains, had a random microphase-separated morphology. However, when prepared from dimethyl sulfoxide (DMSO), a solvent selectively good for PVC, the film exhibited a micellar morphology consisting of a PMMA core and a PVC corona. Nanoporous films with different pore sizes and shapes were prepared through the selective etching of PMMA chains using a combined process of UV irradiation and acetic acid treatment.

Original language	English
Pages (from-to)	959-963
Number of pages	5
Journal	Korean Journal of Chemical Engineering
Volume	29
Issue number	7
DOIs	https://doi.org/10.1007/s11814-011-0265-4
Publication status	Published - 2012 Jul

Bibliographical note

Funding Information:
This work was supported by the Ministry of Knowledge Economy (MKE) through the Human Resources Development program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) (20104010100500), and Korea Institute for Advancement in Technology (KIAT) through the Workforce Development Program in Strategic Technology. This work was also supported by a National Research Foundation (NRF) grant funded by the Korean government (MEST) through the Korea Center for Artificial Photosynthesis (KCAP) at Sogang University (NRF-2009-C1AAA001-2009-0093879).

All Science Journal Classification (ASJC) codes

Chemistry(all)
Chemical Engineering(all)

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title = "Preparation of nanoporous films from self-assembled poly(vinyl chloride-g-methyl methacrylate) graft copolymer",

abstract = "We report on the preparation of nanoporous films based on an amphiphilic graft copolymer of poly(vinyl chloride-graft-methyl methacrylate), i. e., PVC-g-PMMA. The PVC-g-PMMA graft copolymer was synthesized via atom transfer radical polymerization (ATRP), as confirmed by nuclear magnetic resonance spectroscopy ( 1H NMR), Fourier transform-infrared (FT-IR) spectroscopy, and gel permeation chromatography (GPC) analysis. The PVC-g-PMMA graft copolymer molecularly self-assembled into nanophase domains of PVC main chains and PMMA side chains, as revealed by wide angle X-ray scattering (WAXS) and transmission electron microscopy (TEM). The graft copolymer film prepared from tetrahydrofuran (THF), a good solvent for both chains, had a random microphase-separated morphology. However, when prepared from dimethyl sulfoxide (DMSO), a solvent selectively good for PVC, the film exhibited a micellar morphology consisting of a PMMA core and a PVC corona. Nanoporous films with different pore sizes and shapes were prepared through the selective etching of PMMA chains using a combined process of UV irradiation and acetic acid treatment.",

author = "Koh, {Joo Hwan} and Byun, {Su Jin} and Chi, {Won Seok} and Kim, {Jong Hak}",

note = "Funding Information: This work was supported by the Ministry of Knowledge Economy (MKE) through the Human Resources Development program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) (20104010100500), and Korea Institute for Advancement in Technology (KIAT) through the Workforce Development Program in Strategic Technology. This work was also supported by a National Research Foundation (NRF) grant funded by the Korean government (MEST) through the Korea Center for Artificial Photosynthesis (KCAP) at Sogang University (NRF-2009-C1AAA001-2009-0093879).",

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N1 - Funding Information: This work was supported by the Ministry of Knowledge Economy (MKE) through the Human Resources Development program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) (20104010100500), and Korea Institute for Advancement in Technology (KIAT) through the Workforce Development Program in Strategic Technology. This work was also supported by a National Research Foundation (NRF) grant funded by the Korean government (MEST) through the Korea Center for Artificial Photosynthesis (KCAP) at Sogang University (NRF-2009-C1AAA001-2009-0093879).

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N2 - We report on the preparation of nanoporous films based on an amphiphilic graft copolymer of poly(vinyl chloride-graft-methyl methacrylate), i. e., PVC-g-PMMA. The PVC-g-PMMA graft copolymer was synthesized via atom transfer radical polymerization (ATRP), as confirmed by nuclear magnetic resonance spectroscopy ( 1H NMR), Fourier transform-infrared (FT-IR) spectroscopy, and gel permeation chromatography (GPC) analysis. The PVC-g-PMMA graft copolymer molecularly self-assembled into nanophase domains of PVC main chains and PMMA side chains, as revealed by wide angle X-ray scattering (WAXS) and transmission electron microscopy (TEM). The graft copolymer film prepared from tetrahydrofuran (THF), a good solvent for both chains, had a random microphase-separated morphology. However, when prepared from dimethyl sulfoxide (DMSO), a solvent selectively good for PVC, the film exhibited a micellar morphology consisting of a PMMA core and a PVC corona. Nanoporous films with different pore sizes and shapes were prepared through the selective etching of PMMA chains using a combined process of UV irradiation and acetic acid treatment.

AB - We report on the preparation of nanoporous films based on an amphiphilic graft copolymer of poly(vinyl chloride-graft-methyl methacrylate), i. e., PVC-g-PMMA. The PVC-g-PMMA graft copolymer was synthesized via atom transfer radical polymerization (ATRP), as confirmed by nuclear magnetic resonance spectroscopy ( 1H NMR), Fourier transform-infrared (FT-IR) spectroscopy, and gel permeation chromatography (GPC) analysis. The PVC-g-PMMA graft copolymer molecularly self-assembled into nanophase domains of PVC main chains and PMMA side chains, as revealed by wide angle X-ray scattering (WAXS) and transmission electron microscopy (TEM). The graft copolymer film prepared from tetrahydrofuran (THF), a good solvent for both chains, had a random microphase-separated morphology. However, when prepared from dimethyl sulfoxide (DMSO), a solvent selectively good for PVC, the film exhibited a micellar morphology consisting of a PMMA core and a PVC corona. Nanoporous films with different pore sizes and shapes were prepared through the selective etching of PMMA chains using a combined process of UV irradiation and acetic acid treatment.

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Preparation of nanoporous films from self-assembled poly(vinyl chloride-g-methyl methacrylate) graft copolymer

Abstract

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